/* =====================================================
   Discourses - Premium Sentiment Intelligence Platform
   Modern, Stripe-inspired Design System
   ===================================================== */

/* CSS Variables */
:root {
    /* Colors - Dark Mode with Electric Accents */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #111118;
    --color-bg-tertiary: #18181f;
    --color-bg-elevated: #1f1f28;
    --color-bg-hover: #252530;
    
    --color-text-primary: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;
    --color-text-muted: #52525b;
    
    --color-accent-primary: #00d4ff;
    --color-accent-secondary: #7c3aed;
    --color-accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --color-accent-glow: rgba(0, 212, 255, 0.15);
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-danger: #ef4444;
    --color-info: #3b82f6;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-primary: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-logo: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.1;
    --line-height-snug: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-toast: 500;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-y: scroll; /* Always show scrollbar to prevent layout shift */
    scrollbar-gutter: stable; /* Modern browsers: reserve space for scrollbar */
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 5px;
    border: 2px solid var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) var(--color-bg-secondary);
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    /* Ensure content is always scrollable to prevent navbar shift */
    min-height: calc(100vh + 1px);
}

/* ===========================================
   UNIFIED PAGE BACKGROUND - Seamless Sections
   =========================================== */
.home-page {
    background: var(--color-bg-primary);
}

.home-page main {
    background: transparent;
    position: relative;
}

/* Subtle grid overlay for entire page */
.home-page main::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
    mask-image: radial-gradient(ellipse 100% 100% at 50% 50%, black 30%, transparent 80%);
}

/* Ambient glow spots that flow through sections */
.home-page main::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 80% 40% at 10% 20%, rgba(0, 212, 255, 0.06), transparent 50%),
        radial-gradient(ellipse 60% 30% at 90% 30%, rgba(124, 58, 237, 0.05), transparent 50%),
        radial-gradient(ellipse 70% 35% at 20% 60%, rgba(124, 58, 237, 0.04), transparent 50%),
        radial-gradient(ellipse 80% 40% at 85% 70%, rgba(0, 212, 255, 0.05), transparent 50%),
        radial-gradient(ellipse 60% 30% at 50% 90%, rgba(16, 185, 129, 0.04), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

ul, ol {
    list-style: none;
}

/* =====================================================
   Typography
   ===================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
}

.text-gradient {
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-gradient {
    background: linear-gradient(135deg, #fff 0%, var(--color-accent-primary) 50%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =====================================================
   Container
   ===================================================== */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-4);
    }
}

/* =====================================================
   Buttons
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: var(--color-bg-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-border-hover);
}

.btn-icon {
    width: 18px;
    height: 18px;
}

.btn-icon-left {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-1);
}

/* =====================================================
   Navigation
   ===================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9998;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-4) var(--spacing-6);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-accent-primary);
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-logo);
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #e4e4e7;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    position: relative;
}

.nav-link:hover {
    color: var(--color-text-primary);
}

.nav-link.active {
    color: var(--color-accent-primary);
    background: rgba(0, 212, 255, 0.08);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.15),
        inset 0 0 12px rgba(0, 212, 255, 0.05);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
    border-radius: 1px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

/* Mobile Menu Button - Hidden on Desktop */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    position: relative;
    z-index: 10001;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn span {
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-btn span:nth-child(1) {
    transform: translateY(-7px);
}

.mobile-menu-btn span:nth-child(2) {
    transform: translateY(0);
}

.mobile-menu-btn span:nth-child(3) {
    transform: translateY(7px);
}

/* Hamburger to X animation */
.mobile-menu-btn.is-active span:nth-child(1) {
    transform: translateY(0) rotate(45deg);
}

.mobile-menu-btn.is-active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-btn.is-active span:nth-child(3) {
    transform: translateY(0) rotate(-45deg);
}

/* Mobile Menu - Hidden on Desktop */
.mobile-menu {
    display: none;
}

/* Mobile Menu Overlay (for backdrop click to close) */
.mobile-menu-overlay {
    display: none;
}

/* Mobile Menu Link Styles */
.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-4);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: background 0.2s ease, transform 0.2s ease;
    text-decoration: none;
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
    background: var(--color-bg-elevated);
}

.mobile-nav-link.active {
    color: var(--color-accent-primary);
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.08);
}

/* Mobile Nav Upgrade - Green Styling */
.mobile-nav-upgrade {
    color: #10b981 !important;
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
}

.mobile-nav-upgrade:hover,
.mobile-nav-upgrade:active {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
}

.mobile-nav-upgrade i {
    color: #10b981;
}

/* Mobile Nav with Badge */
.mobile-nav-link-with-badge {
    position: relative;
}

.mobile-notification-badge {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: auto;
    min-width: 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

.mobile-nav-divider {
    height: var(--spacing-3);
    background: transparent;
}

/* Desktop breakpoint - hide nav links */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
}

/* Mobile/Collapsed breakpoint - show mobile menu button, hide nav links/actions */
/* This triggers at 1100px to coincide with sidebar collapse */
@media (max-width: 1100px) {
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    /* Mobile Menu Overlay */
    .mobile-menu-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 9998;
    }
    
    .mobile-menu-overlay.is-visible {
        opacity: 1;
        visibility: visible;
    }
    
    /* Mobile Menu Panel */
    .mobile-menu {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-2);
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100vh;
        height: 100dvh;
        background: var(--color-bg-primary);
        border-left: 1px solid var(--color-border);
        padding: calc(70px + var(--spacing-4)) var(--spacing-4) var(--spacing-6);
        transform: translateX(100%);
        visibility: hidden;
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), 
                    visibility 0.35s ease;
        z-index: 9999;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .mobile-menu.is-open {
        transform: translateX(0);
        visibility: visible;
    }
    
    /* Mobile menu buttons */
    .mobile-menu .btn {
        margin-top: var(--spacing-2);
        padding: var(--spacing-4) var(--spacing-6);
        font-size: var(--font-size-base);
        justify-content: center;
        width: 100%;
    }
    
    /* Body scroll lock when menu is open */
    body.mobile-menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
    }
}

/* =====================================================
   Flash Messages
   ===================================================== */

.flash-messages {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    width: 100%;
    max-width: 500px;
    padding: 0 var(--spacing-4);
}

.flash-message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flash-success {
    border-left: 4px solid var(--color-success);
}

.flash-error {
    border-left: 4px solid var(--color-error);
}

.flash-info {
    border-left: 4px solid var(--color-info);
}

.flash-warning {
    border-left: 4px solid var(--color-warning);
}

.flash-close {
    padding: var(--spacing-1);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.flash-close:hover {
    color: var(--color-text-primary);
}

/* =====================================================
   Hero Section
   ===================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-20);
    padding: var(--spacing-24) var(--spacing-8);
    padding-top: calc(var(--spacing-24) + 80px);
    overflow: hidden;
    z-index: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    /* Fade to transparent at bottom for seamless transition */
    mask-image: linear-gradient(to bottom, black 60%, transparent 95%);
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 95%);
}

/* ===== Aurora Mesh Background ===== */
.hero-aurora {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
}

.aurora-layer {
    position: absolute;
    inset: 0;
    will-change: transform;
}

.aurora-1 {
    background: 
        radial-gradient(ellipse 80% 50% at 20% 20%, rgba(0, 212, 255, 0.25), transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 30%, rgba(124, 58, 237, 0.2), transparent 50%);
    animation: aurora-drift-1 20s ease-in-out infinite;
}

.aurora-2 {
    background: 
        radial-gradient(ellipse 70% 60% at 70% 60%, rgba(0, 212, 255, 0.15), transparent 50%),
        radial-gradient(ellipse 50% 50% at 30% 70%, rgba(59, 130, 246, 0.18), transparent 50%);
    animation: aurora-drift-2 25s ease-in-out infinite;
}

.aurora-3 {
    background: 
        radial-gradient(ellipse 60% 40% at 50% 40%, rgba(124, 58, 237, 0.12), transparent 50%),
        radial-gradient(ellipse 80% 60% at 60% 80%, rgba(16, 185, 129, 0.1), transparent 50%);
    animation: aurora-drift-3 30s ease-in-out infinite;
}

@keyframes aurora-drift-1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
    25% { transform: translate(5%, 3%) rotate(2deg) scale(1.05); }
    50% { transform: translate(-3%, 5%) rotate(-1deg) scale(0.98); }
    75% { transform: translate(3%, -3%) rotate(1deg) scale(1.02); }
}

@keyframes aurora-drift-2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
    33% { transform: translate(-4%, 4%) rotate(-2deg) scale(1.03); }
    66% { transform: translate(4%, -2%) rotate(2deg) scale(0.97); }
}

@keyframes aurora-drift-3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(3%, 3%) scale(1.05); }
}

/* ===== Floating Orbs ===== */
.hero-orbs {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    will-change: transform, opacity;
    opacity: 0.6;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, transparent 70%);
    top: -10%;
    left: -5%;
    animation: orb-float-1 15s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.35) 0%, transparent 70%);
    top: 20%;
    right: -10%;
    animation: orb-float-2 18s ease-in-out infinite;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
    bottom: 10%;
    left: 20%;
    animation: orb-float-3 20s ease-in-out infinite;
}

.orb-4 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, transparent 70%);
    bottom: 20%;
    right: 15%;
    animation: orb-float-4 22s ease-in-out infinite;
}

@keyframes orb-float-1 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    25% { transform: translate(30px, 20px) scale(1.1); opacity: 0.5; }
    50% { transform: translate(-20px, 40px) scale(0.95); opacity: 0.7; }
    75% { transform: translate(40px, -10px) scale(1.05); opacity: 0.55; }
}

@keyframes orb-float-2 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    33% { transform: translate(-40px, 30px) scale(1.08); opacity: 0.5; }
    66% { transform: translate(20px, -20px) scale(0.92); opacity: 0.65; }
}

@keyframes orb-float-3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, -30px) scale(1.1); }
}

@keyframes orb-float-4 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    25% { transform: translate(-30px, -20px) scale(0.95); opacity: 0.7; }
    75% { transform: translate(20px, 30px) scale(1.05); opacity: 0.5; }
}

/* ===== Animated Grid ===== */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, black 10%, transparent 70%);
    animation: grid-pulse 8s ease-in-out infinite;
}

@keyframes grid-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* ===== Central Glow ===== */
.hero-glow {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: 
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0, 212, 255, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 80% 40% at 50% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
    filter: blur(40px);
    animation: glow-breathe 6s ease-in-out infinite;
}

@keyframes glow-breathe {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; }
    50% { transform: translateX(-50%) scale(1.1); opacity: 0.8; }
}

/* ===== Noise Texture ===== */
.hero-noise {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    mix-blend-mode: overlay;
}

/* ===== Bottom Fade ===== */
.hero-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--color-bg-primary) 0%, transparent 100%);
    pointer-events: none;
}

.hero-content {
    flex: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    margin-bottom: var(--spacing-8);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.hero-badge strong {
    color: var(--color-success);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: greenPulse 1.5s ease-in-out infinite;
}

@keyframes greenPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    50% { 
        transform: scale(1.2);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-6);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-10);
    max-width: 580px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

.hero-metrics {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-6);
}

.metric {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.metric-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-mono);
    color: var(--color-accent-primary);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.metric-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.hero-visual {
    flex: 0 0 auto;
    display: flex;
    justify-content: flex-end;
    width: 520px;
}

.terminal-window {
    width: 100%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.terminal-dots {
    display: flex;
    gap: var(--spacing-2);
}

.terminal-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ff5f57; }
.terminal-dots span:nth-child(2) { background: #febc2e; }
.terminal-dots span:nth-child(3) { background: #28c840; }

.terminal-title {
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    color: var(--color-text-tertiary);
}

.terminal-body {
    padding: var(--spacing-5);
    overflow-x: auto;
}

.terminal-body pre {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.code-comment { color: var(--color-text-tertiary); }
.code-keyword { color: var(--color-accent-primary); }
.code-key { color: #a78bfa; }
.code-string { color: #34d399; }
.code-number { color: #fbbf24; }

@media (max-width: 1200px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-12);
    }
    
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-metrics {
        justify-content: center;
    }
    
    .hero-visual {
        width: 100%;
        max-width: 600px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-16) var(--spacing-4);
        padding-top: calc(var(--spacing-16) + 80px);
        min-height: auto;
        gap: var(--spacing-8);
    }
    
    .hero-content {
        max-width: 100%;
        padding: 0 var(--spacing-2);
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        max-width: 100%;
    }
    
    .hero-visual {
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .hero {
        padding-top: calc(var(--spacing-12) + 70px);
        padding-left: var(--spacing-3);
        padding-right: var(--spacing-3);
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
        letter-spacing: -0.02em;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
        line-height: 1.6;
        margin-bottom: var(--spacing-6);
    }
    
    .hero-badge {
        margin-bottom: var(--spacing-6);
    }
    
    .hero-cta {
        margin-bottom: var(--spacing-8);
    }
    
    .hero-metrics {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .metric-divider {
        width: 60px;
        height: 1px;
    }
}

/* =====================================================
   Trusted Section
   ===================================================== */

.trusted-section {
    padding: var(--spacing-16) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.trusted-label {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-8);
}

.trusted-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-12);
}

.logo-placeholder {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    opacity: 0.6;
}

/* =====================================================
   Features Section
   ===================================================== */

.features-section {
    position: relative;
    padding: var(--spacing-24) 0;
    z-index: 1;
}

.features-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(ellipse 120% 80% at 50% 30%, rgba(124, 58, 237, 0.05), transparent 60%);
    pointer-events: none;
}

.features-gradient {
    display: none;
}

/* ===== Feature Hero Card ===== */
.feature-hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
    padding: var(--spacing-12);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--spacing-12);
    position: relative;
    overflow: hidden;
}

.feature-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent-gradient);
}

.feature-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-3);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-mono);
    color: var(--color-success);
    margin-bottom: var(--spacing-4);
}

.feature-hero-badge .badge-dot {
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    animation: greenPulse 1.5s ease-in-out infinite;
}

.feature-hero-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
    line-height: var(--line-height-tight);
}

.feature-hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-6);
}

.feature-hero-description strong {
    color: var(--color-accent-primary);
}

.feature-hero-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.highlight-item svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* Feature Hero Cards (Right Column) */
.feature-hero-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.feature-mini-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    transition: all var(--transition-base);
    position: relative;
}

.feature-mini-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-tertiary);
    transform: translateY(-2px);
}

.feature-mini-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
}

.feature-mini-icon svg {
    width: 20px;
    height: 20px;
}

.feature-mini-content h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.feature-mini-content p {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    line-height: var(--line-height-relaxed);
}

.feature-mini-stat {
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-primary);
    margin-top: auto;
}

/* ===== New Feature Cards Grid ===== */
.features-grid-new {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-4);
}

.feature-card-new {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card-new:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card-new:hover .feature-card-icon {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.3);
}

.feature-card-icon {
    width: 48px;
    height: 48px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-4);
    transition: all var(--transition-base);
}

.feature-card-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card-content {
    flex-grow: 1;
}

.feature-card-new h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
    color: var(--color-text-primary);
}

.feature-card-new p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.feature-card-metric {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-1);
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border);
}

.feature-card-metric .metric-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-mono);
    color: var(--color-accent-primary);
}

.feature-card-metric .metric-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* Feature Cards Responsive */
@media (max-width: 1200px) {
    .features-grid-new {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid-new .feature-card-new:nth-child(4),
    .features-grid-new .feature-card-new:nth-child(5) {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .feature-hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        padding: var(--spacing-6);
        text-align: center;
    }
    
    .feature-hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .feature-hero-description {
        font-size: var(--font-size-base);
    }
    
    .feature-hero-highlights {
        align-items: center;
    }
    
    .feature-hero-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }
    
    .feature-mini-card {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-3);
        padding: var(--spacing-3);
    }
    
    .feature-mini-icon {
        flex-shrink: 0;
    }
    
    .feature-mini-content {
        flex: 1;
        text-align: left;
    }
    
    .feature-mini-content p {
        display: none;
    }
    
    .feature-mini-stat {
        margin-top: 0;
        flex-shrink: 0;
    }
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-16);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    margin-bottom: var(--spacing-4);
    background: var(--color-accent-glow);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-6);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.feature-card {
    padding: var(--spacing-8);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card-large {
    grid-column: span 3;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-8);
    align-items: center;
}

.feature-icon {
    width: 48px;
    height: 48px;
    padding: var(--spacing-3);
    background: var(--color-accent-glow);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-icon-large {
    width: 80px;
    height: 80px;
    padding: var(--spacing-5);
    background: var(--color-accent-glow);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-xl);
    color: var(--color-accent-primary);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-3);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.feature-highlight {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-border);
}

.highlight-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-mono);
    color: var(--color-accent-primary);
}

/* Whitepaper Button */
.whitepaper-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-6);
    padding: var(--spacing-3) var(--spacing-5);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--color-accent-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-base);
}

.whitepaper-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.5);
    transform: translateY(-1px);
}

.whitepaper-btn svg {
    flex-shrink: 0;
    opacity: 0.8;
}

.whitepaper-author {
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-normal);
    margin-left: var(--spacing-2);
    padding-left: var(--spacing-3);
    border-left: 1px solid rgba(0, 212, 255, 0.3);
}

.highlight-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card-large {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card-large {
        grid-column: span 1;
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .feature-icon-large {
        margin: 0 auto;
    }
}

/* =====================================================
   Era Comparison Section
   ===================================================== */

.era-section {
    padding: var(--spacing-24) 0;
    position: relative;
    z-index: 1;
}

.era-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 100% 80% at 50% 50%, rgba(0, 212, 255, 0.03), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.era-comparison {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-10);
    margin-top: var(--spacing-12);
}

.era-example {
    text-align: center;
}

.era-text {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-5) var(--spacing-8);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.era-emoji {
    font-size: 2.5rem;
}

.era-sample {
    font-family: var(--font-mono);
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

.era-results {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    width: 100%;
    max-width: 900px;
}

.era-card {
    flex: 1;
    position: relative;
    padding: var(--spacing-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.era-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

/* Confidence Badge */
.confidence-badge {
    position: absolute;
    top: var(--spacing-3);
    right: var(--spacing-3);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    letter-spacing: -0.02em;
}

.confidence-badge.bullish {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.confidence-badge.bearish {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.era-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.era-year {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-primary);
    background: rgba(0, 212, 255, 0.1);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-md);
}

.era-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.era-score {
    margin-bottom: var(--spacing-4);
}

.score-bar {
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-3);
}

.score-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

.score-fill.neutral {
    background: linear-gradient(90deg, #94a3b8 0%, #64748b 100%);
}

.score-fill.bullish {
    background: linear-gradient(90deg, #22c55e 0%, #10b981 100%);
}

.score-details {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-3);
}

.score-value {
    font-family: var(--font-mono);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
}

.era-before .score-value {
    color: #94a3b8;
}

.era-after .score-value {
    color: #22c55e;
}

.score-label-text {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.era-before .score-label-text {
    color: #64748b;
}

.era-after .score-label-text {
    color: #10b981;
}

.era-explanation {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin: 0;
}

.era-arrow {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.era-arrow svg {
    width: 32px;
    height: 32px;
    color: var(--color-accent-primary);
}

.era-cta {
    text-align: center;
    margin-top: var(--spacing-10);
}

.era-code {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-3);
}

.era-code .code-number {
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-semibold);
}

.era-cta p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* =====================================================
   Model Eras - Premium 7-Figure Design
   ===================================================== */

.model-eras {
    --era-primitive: #78716c;
    --era-ramp: #34d399;
    --era-meme: #fbbf24;
    --era-present: #22d3ee;
    
    position: relative;
    margin-top: var(--spacing-20);
    padding: var(--spacing-16) 0;
    overflow: hidden;
}

/* Ambient Background */
.eras-ambient {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.ambient-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0;
    transition: opacity 1.5s ease;
}

.model-eras.in-view .ambient-glow {
    opacity: 1;
}

.ambient-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: drift-1 20s ease-in-out infinite;
}

.ambient-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.06) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    animation: drift-2 25s ease-in-out infinite;
}

@keyframes drift-1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-40px, 30px); }
}

@keyframes drift-2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -20px); }
}

.eras-grid-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease 0.3s;
}

.model-eras.in-view .eras-grid-svg {
    opacity: 1;
}

/* Header */
.eras-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
    position: relative;
    z-index: 2;
}

.eras-label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-4);
}

.label-line {
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    opacity: 0;
    transform: scaleX(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.model-eras.in-view .label-line {
    opacity: 1;
    transform: scaleX(1);
}

.label-text {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.5);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
}

.model-eras.in-view .label-text {
    opacity: 1;
    transform: translateY(0);
}

/* Track */
/* Cards Grid */
.eras-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-5);
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    position: relative;
    z-index: 1;
    align-items: stretch;
}

/* Individual Card */
.eras-card {
    position: relative;
    border-radius: 16px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: 
        opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.model-eras.in-view .eras-card {
    opacity: 1;
    transform: translateY(0);
}

.eras-card:nth-child(1) { transition-delay: 0.3s; }
.eras-card:nth-child(2) { transition-delay: 0.4s; }
.eras-card:nth-child(3) { transition-delay: 0.5s; }
.eras-card:nth-child(4) { transition-delay: 0.6s; }

/* Era Colors */
.eras-card[data-era="primitive"] { --card-color: var(--era-primitive); }
.eras-card[data-era="ramp"] { --card-color: var(--era-ramp); }
.eras-card[data-era="meme"] { --card-color: var(--era-meme); }
.eras-card[data-era="present"] { --card-color: var(--era-present); }

/* Card Glow Layer */
.eras-card-glow {
    position: absolute;
    inset: -1px;
    border-radius: 17px;
    background: var(--card-color, transparent);
    opacity: 0;
    filter: blur(25px);
    transition: opacity 0.6s cubic-bezier(0.33, 1, 0.68, 1);
    z-index: 0;
}

.eras-card:hover .eras-card-glow {
    opacity: 0.25;
}

/* Card Border Layer */
.eras-card-border {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(
        160deg,
        rgba(255, 255, 255, 0.08) 0%,
        rgba(255, 255, 255, 0.02) 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: background 0.6s cubic-bezier(0.33, 1, 0.68, 1);
    z-index: 1;
}

.eras-card:hover .eras-card-border {
    background: linear-gradient(
        160deg,
        var(--card-color) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        var(--card-color) 100%
    );
}

/* Card Inner Content */
.eras-card-inner {
    position: relative;
    padding: var(--spacing-6);
    background: linear-gradient(
        160deg,
        rgba(255, 255, 255, 0.03) 0%,
        rgba(255, 255, 255, 0.01) 100%
    );
    border-radius: 16px;
    backdrop-filter: blur(10px);
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: 
        background 0.6s cubic-bezier(0.33, 1, 0.68, 1),
        box-shadow 0.6s cubic-bezier(0.33, 1, 0.68, 1);
}

.eras-card:hover .eras-card-inner {
    background: linear-gradient(
        160deg,
        rgba(255, 255, 255, 0.06) 0%,
        rgba(255, 255, 255, 0.02) 100%
    );
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.06);
}

/* Card Header */
.eras-card-header {
    margin-bottom: var(--spacing-3);
}

.eras-card-period {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}

.eras-card:hover .eras-card-period {
    color: var(--card-color);
}

/* Card Name */
.eras-card-name {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-3);
    letter-spacing: -0.01em;
    transition: 
        color 0.5s cubic-bezier(0.33, 1, 0.68, 1),
        background 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}

.eras-card:hover .eras-card-name {
    background: linear-gradient(135deg, #fff 20%, var(--card-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Detail */
.eras-card-detail {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.45);
    transition: color 0.5s cubic-bezier(0.33, 1, 0.68, 1);
    flex: 1;
}

.eras-card:hover .eras-card-detail {
    color: rgba(255, 255, 255, 0.7);
}


/* Responsive - Tablet */
@media (max-width: 1024px) {
    .eras-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-4);
    }
    
    .model-eras {
        padding: var(--spacing-12) 0;
    }
}

/* Responsive - Mobile */
@media (max-width: 640px) {
    .model-eras {
        padding: var(--spacing-10) 0;
    }
    
    .eras-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
        padding: 0 var(--spacing-3);
    }
    
    .eras-card-inner {
        padding: var(--spacing-5);
    }
    
    .eras-card-name {
        font-size: 1.125rem;
    }
    
    .eras-card-detail {
        font-size: 12px;
    }
    
    .eras-card {
        opacity: 1 !important;
        transform: none !important;
    }
    
    .eras-card:hover {
        transform: none !important;
    }
    
    .label-line {
        width: 24px;
    }
}

@media (max-width: 768px) {
    .era-results {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .era-arrow {
        transform: rotate(90deg);
    }
    
    .era-text {
        flex-direction: column;
        gap: var(--spacing-2);
        padding: var(--spacing-4) var(--spacing-6);
    }
    
    .era-emoji {
        font-size: 2rem;
    }
    
    .era-sample {
        font-size: var(--font-size-base);
    }
}

/* =====================================================
   How It Works Section
   ===================================================== */

/* =====================================================
   Use Cases Section - Financial Professionals
   ===================================================== */

/* ===========================================
   HOW IT WORKS SECTION
   =========================================== */
.how-it-works-section {
    position: relative;
    padding: var(--spacing-24) 0;
    z-index: 1;
}

.how-it-works-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(ellipse 120% 80% at 50% 40%, rgba(0, 212, 255, 0.04), transparent 60%);
    pointer-events: none;
}

.how-it-works-gradient {
    display: none;
}

/* Workflow Showcase */
.workflow-showcase {
    max-width: 900px;
    margin: 0 auto var(--spacing-16);
}

/* Integration Steps */
.how-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
    max-width: 1000px;
    margin: 0 auto;
}

.how-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-4);
}

.how-step-number {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-primary);
    position: relative;
}

.how-step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    z-index: -1;
}

.how-step-content h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.how-step-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    max-width: 280px;
}

.how-cta {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-12);
}

/* How it Works Responsive */
@media (max-width: 768px) {
    .how-it-works-section {
        padding: var(--spacing-16) var(--spacing-4);
    }
    
    .how-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .how-step {
        flex-direction: row;
        text-align: left;
        gap: var(--spacing-5);
    }
    
    .how-step-number {
        width: 48px;
        height: 48px;
        font-size: var(--font-size-lg);
        flex-shrink: 0;
    }
    
    .how-step-content p {
        max-width: none;
    }
    
    .how-cta {
        margin-top: var(--spacing-8);
    }
}

/* Legacy Use Cases (keep for backwards compat) */
.use-cases-section {
    position: relative;
    padding: var(--spacing-24) 0;
    overflow: hidden;
}

.use-cases-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.use-cases-gradient {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 30%, var(--color-bg-secondary) 70%, var(--color-bg-primary) 100%);
}

.use-cases-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black 20%, transparent 70%);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-6);
}

/* Featured Use Case Card */
.use-case-card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    transition: all var(--transition-base);
    position: relative;
}

.use-case-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.use-case-featured {
    grid-column: 1;
    grid-row: span 2;
    background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-elevated) 100%);
    padding: var(--spacing-8);
}

.use-case-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.use-case-icon-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.use-case-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
    transition: all var(--transition-base);
}

.use-case-card:hover .use-case-icon {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.3);
    transform: scale(1.05);
}

.use-case-icon svg {
    width: 28px;
    height: 28px;
}

.use-case-card:not(.use-case-featured) .use-case-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-4);
}

.use-case-card:not(.use-case-featured) .use-case-icon svg {
    width: 24px;
    height: 24px;
}

.use-case-badge {
    padding: var(--spacing-1) var(--spacing-3);
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: #a78bfa;
}

.use-case-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-3);
    color: var(--color-text-primary);
}

.use-case-card:not(.use-case-featured) h3 {
    font-size: var(--font-size-lg);
}

.use-case-card p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.use-case-card:not(.use-case-featured) p {
    font-size: var(--font-size-sm);
}

.use-case-features {
    list-style: none;
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.use-case-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.use-case-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    flex-shrink: 0;
}

.use-case-stat {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-2);
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border);
}

.use-case-stat .stat-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-mono);
    color: var(--color-accent-primary);
}

.use-case-stat .stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* Workflow Strip */
.workflow-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-6);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.workflow-showcase .workflow-strip {
    margin-top: var(--spacing-12);
}

/* Flow animation keyframes - cascading pulse from left to right */
@keyframes flow-pulse {
    0%, 15% {
        opacity: 0.35;
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 212, 255, 0);
    }
    20%, 35% {
        opacity: 1;
        transform: scale(1.03);
        box-shadow: 0 0 25px 4px rgba(0, 212, 255, 0.35);
    }
    45%, 100% {
        opacity: 0.35;
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 212, 255, 0);
    }
}

@keyframes arrow-flow {
    0%, 15% {
        opacity: 0.2;
    }
    20%, 35% {
        opacity: 1;
    }
    45%, 100% {
        opacity: 0.2;
    }
}

@keyframes line-flow {
    0%, 15% {
        transform: scaleX(0);
        transform-origin: left;
    }
    20%, 35% {
        transform: scaleX(1);
        transform-origin: left;
    }
    45%, 100% {
        transform: scaleX(0);
        transform-origin: right;
    }
}

.workflow-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-5);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    transition: all 0.3s ease;
    opacity: 0.35;
}

.workflow-animated {
    animation: flow-pulse 6s ease-in-out infinite;
    animation-delay: calc(var(--step) * 0.8s);
}

.workflow-step {
    width: 28px;
    height: 28px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-mono);
    color: var(--color-accent-primary);
}

.workflow-step svg {
    width: 14px;
    height: 14px;
}

.workflow-item span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.workflow-item-api {
    background: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.25);
}

.workflow-item-api .workflow-step {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.4);
}

.workflow-item-final {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.25);
}

.workflow-item-final .workflow-step {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.4);
    color: #10b981;
}

.workflow-item-api span {
    color: var(--color-accent-primary);
    font-family: var(--font-logo);
    font-weight: var(--font-weight-semibold);
}

.workflow-item-final {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.workflow-item-final .workflow-step {
    background: var(--color-success);
    border-color: var(--color-success);
    color: white;
}

.workflow-item-final .workflow-step svg {
    width: 16px;
    height: 16px;
}

.workflow-item-final span {
    color: var(--color-success);
}

.workflow-step svg {
    width: 14px;
    height: 14px;
}

.workflow-arrow {
    color: var(--color-text-muted);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 var(--spacing-2);
    opacity: 0.2;
}

.workflow-arrow svg {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 1;
}

.workflow-arrow-animated {
    animation: arrow-flow 6s ease-in-out infinite;
    animation-delay: calc(var(--step) * 0.8s);
}

.arrow-line {
    display: none;
}

/* Use Cases Responsive */
@media (max-width: 1024px) {
    .use-cases-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .use-case-featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .workflow-strip {
        flex-wrap: wrap;
        gap: var(--spacing-3);
    }
    
    .workflow-arrow {
        display: none;
    }
    
    .workflow-animated {
        animation-delay: 0s;
    }
}

@media (max-width: 768px) {
    .use-cases-section {
        padding: var(--spacing-16) var(--spacing-4);
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .use-case-featured {
        grid-column: span 1;
        padding: var(--spacing-6);
    }
    
    .use-case-card {
        padding: var(--spacing-5);
    }
    
    .use-case-icon-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
    
    .workflow-strip {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3);
        padding: var(--spacing-4);
    }
    
    .workflow-item {
        padding: var(--spacing-3);
    }
    
    .workflow-item span {
        font-size: var(--font-size-xs);
    }
    
    .workflow-animated {
        animation: flow-pulse 4s ease-in-out infinite;
        animation-delay: calc(var(--step) * 0.5s);
    }
    
    .workflow-item {
        opacity: 0.35;
    }
}

/* Legacy How Section (keep for backward compatibility) */
.how-section {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-secondary);
}

.steps-grid {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.step-card {
    flex: 1;
    padding: var(--spacing-8);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
}

.step-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-mono);
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-4);
}

.step-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
}

.step-card p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.step-connector {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-4);
    color: var(--color-accent-primary);
}

.step-connector svg {
    width: 100px;
    height: 20px;
}

@media (max-width: 1024px) {
    .steps-grid {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .step-connector {
        transform: rotate(90deg);
        padding: var(--spacing-4) 0;
    }
}

/* =====================================================
   Pricing Section
   ===================================================== */

.pricing-section {
    padding: var(--spacing-24) 0;
    position: relative;
    z-index: 1;
}

.pricing-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 30%, rgba(16, 185, 129, 0.04), transparent 70%);
    z-index: -1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    align-items: stretch;
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-8);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    border-color: var(--color-border-hover);
}

.pricing-card-featured {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-accent-gradient);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-bg-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    margin-bottom: var(--spacing-6);
}

.pricing-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2);
}

.pricing-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-8);
}

.price-amount {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--color-text-tertiary);
}

.pricing-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.pricing-features svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-success);
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
}

/* Pricing CTA Section (Home Page) */
.pricing-cta-section {
    padding: var(--spacing-24) 0;
    position: relative;
    z-index: 1;
}

.pricing-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 30%, rgba(16, 185, 129, 0.04), transparent 70%);
    z-index: -1;
}

.pricing-cta-box {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-8);
}

/* =====================================================
   CTA Section
   ===================================================== */

/* =====================================================
   Research Section - Academic Foundation
   ===================================================== */

.research-section {
    position: relative;
    padding: var(--spacing-24) 0;
    overflow: hidden;
}

.research-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.research-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(124, 58, 237, 0.12), transparent 50%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(0, 212, 255, 0.08), transparent 50%),
        linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-primary) 100%);
}

.research-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 10%, transparent 70%);
}

.research-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    margin-top: var(--spacing-16);
}

/* Paper Card */
.research-paper-card {
    background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-elevated) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    position: relative;
    overflow: hidden;
}

.research-paper-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent-gradient);
}

.paper-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.paper-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    color: var(--color-text-primary);
}

.paper-authors {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-family: var(--font-mono);
}

.paper-abstract {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    flex-grow: 1;
}

.paper-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    margin-top: var(--spacing-4);
}

.paper-link:hover {
    gap: var(--spacing-3);
}

/* Research Insights */
.research-insights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.insight-card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-start;
    transition: all var(--transition-base);
}

.insight-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-elevated);
    transform: translateX(4px);
}

.insight-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
}

.insight-icon svg {
    width: 22px;
    height: 22px;
}

.insight-card h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.insight-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Research CTA */
.research-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    margin-top: var(--spacing-16);
}

/* ===========================================
   METHODOLOGY SECTION - Premium Design
   =========================================== */
.methodology-section {
    position: relative;
    padding: var(--spacing-24) 0;
    overflow: hidden;
    z-index: 1;
}

.methodology-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(ellipse 100% 60% at 50% 30%, rgba(124, 58, 237, 0.06), transparent 70%);
}

.methodology-gradient {
    display: none;
}

.methodology-grid-pattern {
    display: none;
}

.methodology-content {
    margin-top: var(--spacing-16);
}

/* Two Column Grid */
.methodology-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: start;
    margin-bottom: var(--spacing-12);
}

/* Left Column - Explanation */
.methodology-explanation {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

.methodology-intro h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.methodology-intro p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-3);
}

.methodology-intro p em {
    color: var(--color-accent-primary);
    font-style: normal;
}

/* Method Steps */
.methodology-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.method-step {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-start;
}

.method-step-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-primary);
}

.method-step-content h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.method-step-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.method-step-content p em {
    color: var(--color-text-primary);
    font-style: normal;
}

.methodology-paper-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    width: fit-content;
}

.methodology-paper-link:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.2);
}

/* Right Column - Math Panel */
.methodology-math-panel {
    background: linear-gradient(135deg, rgba(15, 15, 25, 0.95) 0%, rgba(10, 10, 20, 0.98) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    position: relative;
    overflow: hidden;
}

.methodology-math-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, rgba(124, 58, 237, 0.8), rgba(0, 212, 255, 0.8));
}

.math-panel-header {
    margin-bottom: var(--spacing-6);
}

.math-panel-tag {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-secondary);
    background: rgba(124, 58, 237, 0.15);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
}

/* Math Equations - Custom CSS Styling */
.math-equation {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4) var(--spacing-5);
    margin-bottom: var(--spacing-4);
}

.math-equation-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-2);
}

.math-equation-content {
    font-family: 'Times New Roman', 'Georgia', serif;
    font-size: 1.35rem;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    flex-wrap: wrap;
    line-height: 1.8;
}

.math-var {
    font-style: italic;
    color: #e4e4e7;
}

.math-sub {
    font-size: 0.7em;
    color: var(--color-text-secondary);
}

.math-op {
    color: var(--color-text-tertiary);
    padding: 0 0.2em;
}

.math-arrow {
    color: var(--color-accent-primary);
    padding: 0 0.3em;
    font-size: 1.2em;
}

.math-fn {
    font-style: normal;
    color: var(--color-accent-primary);
}

.math-paren {
    color: var(--color-text-tertiary);
}

.math-sum-wrap {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
    margin: 0 0.1em;
}

.math-sum {
    font-size: 1.4em;
    color: var(--color-accent-primary);
    line-height: 1;
}

.math-sum-sub {
    font-size: 0.6em;
    color: var(--color-text-tertiary);
    margin-top: -2px;
}

.math-frac {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
    line-height: 1.2;
}

.math-num {
    border-bottom: 1px solid var(--color-text-tertiary);
    padding-bottom: 2px;
    font-size: 0.9em;
}

.math-denom {
    padding-top: 2px;
    font-size: 0.9em;
    color: var(--color-text-secondary);
}

.math-equation-highlight {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
}

.math-equation-highlight .math-fn {
    color: #10b981;
}

.math-indicator {
    font-weight: bold;
    color: var(--color-accent-secondary);
}

/* Symbol Legend */
.math-legend {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: var(--spacing-3);
    padding-top: var(--spacing-3);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.math-legend span {
    font-family: var(--font-primary);
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    line-height: 1.4;
}

.math-legend em {
    font-family: 'Times New Roman', 'Georgia', serif;
    font-style: italic;
    color: var(--color-text-secondary);
}

.math-legend em sub {
    font-size: 0.8em;
}

.math-legend em sup {
    font-size: 0.75em;
}

.math-panel-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    line-height: var(--line-height-relaxed);
    padding-top: var(--spacing-2);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: var(--spacing-2);
}

.math-panel-note strong {
    color: #10b981;
    font-family: 'Times New Roman', 'Georgia', serif;
    font-style: italic;
}

/* Key Insight Box */
.methodology-insight {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(0, 212, 255, 0.04) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
}

.insight-icon-wrap {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.insight-icon-wrap svg {
    width: 22px;
    height: 22px;
    color: #10b981;
}

.insight-text h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.insight-text p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.insight-text strong {
    color: #10b981;
    font-weight: var(--font-weight-medium);
}

/* Methodology CTA */
.methodology-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    margin-top: var(--spacing-16);
}

/* Methodology Responsive */
@media (max-width: 1024px) {
    .methodology-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .methodology-math-panel {
        padding: var(--spacing-6);
    }
}

@media (max-width: 768px) {
    .methodology-section {
        padding: var(--spacing-16) var(--spacing-4);
    }
    
    .methodology-content {
        margin-top: var(--spacing-10);
    }
    
    .methodology-intro h3 {
        font-size: var(--font-size-xl);
    }
    
    .methodology-intro p {
        font-size: var(--font-size-sm);
    }
    
    .method-step-num {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-xs);
    }
    
    .method-step-content h4 {
        font-size: var(--font-size-sm);
    }
    
    .method-step-content p {
        font-size: var(--font-size-xs);
    }
    
    .methodology-math-panel {
        padding: var(--spacing-5);
    }
    
    .math-equation {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .math-equation-content {
        font-size: 1.1rem;
    }
    
    .methodology-insight {
        flex-direction: column;
        gap: var(--spacing-4);
        padding: var(--spacing-5);
    }
    
    .insight-icon-wrap {
        width: 36px;
        height: 36px;
    }
    
    .insight-icon-wrap svg {
        width: 18px;
        height: 18px;
    }
    
    .insight-text h4 {
        font-size: var(--font-size-sm);
    }
    
    .insight-text p {
        font-size: var(--font-size-xs);
    }
    
    .methodology-cta {
        flex-direction: column;
        margin-top: var(--spacing-10);
    }
    
    .methodology-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Legacy CTA Section (keep for other uses) */
.cta-section {
    padding: var(--spacing-24) 0;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-16);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-8);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-4);
}

/* =====================================================
   Auth Sections
   ===================================================== */

.auth-section {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
    padding-top: 80px;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
}

.auth-section-centered {
    justify-content: center;
    align-items: center;
    padding: var(--spacing-8);
}

.auth-container {
    display: flex;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.auth-container-wide {
    max-width: 1400px;
}

.auth-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-12);
    background: var(--color-bg-primary);
}

.auth-card-narrow {
    max-width: 480px;
    padding: var(--spacing-10);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.auth-logo {
    display: inline-flex;
    margin-bottom: var(--spacing-6);
}

.auth-logo .logo-icon {
    width: 48px;
    height: 48px;
}

.auth-logo-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.auth-header h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-2);
}

.auth-header p {
    color: var(--color-text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.form-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-link {
    font-size: var(--font-size-sm);
    color: var(--color-accent-primary);
    transition: opacity var(--transition-fast);
}

.form-link:hover {
    opacity: 0.8;
}

.form-input {
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-1);
}

.form-checkbox {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-3);
}

.form-checkbox label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.form-checkbox label a {
    color: var(--color-accent-primary);
}

.checkbox-input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent-primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-5);
    min-width: 0; /* Prevent overflow */
}

.form-row .form-group {
    min-width: 0; /* Prevent input overflow */
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-border);
}

.auth-footer p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-footer a {
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-medium);
}

.auth-aside {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-12);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    border-left: 1px solid var(--color-border);
}

.auth-aside-content {
    max-width: 400px;
}

.auth-testimonial {
    margin-bottom: var(--spacing-10);
}

.auth-testimonial blockquote {
    font-size: var(--font-size-xl);
    font-style: italic;
    color: var(--color-text-primary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gradient);
    border-radius: 50%;
    font-weight: var(--font-weight-semibold);
    color: var(--color-bg-primary);
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.author-name {
    font-weight: var(--font-weight-semibold);
}

.author-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    padding: var(--spacing-6);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-mono);
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* Auth Era Demo (Login page) */
.auth-era-demo {
    text-align: center;
}

.era-demo-header {
    margin-bottom: var(--spacing-6);
}

.era-demo-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent-primary);
    padding: var(--spacing-1) var(--spacing-3);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.era-demo-header h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    margin: 0;
}

.era-demo-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
}

.era-emoji {
    font-size: 1.5rem;
}

.era-sample {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.era-demo-results {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.era-demo-card {
    padding: var(--spacing-4);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    text-align: left;
}

.era-demo-card.era-bearish {
    border-color: rgba(239, 68, 68, 0.2);
}

.era-demo-card.era-bullish {
    border-color: rgba(34, 197, 94, 0.2);
}

.era-demo-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

.era-demo-badge .era-name {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    padding: var(--spacing-1) var(--spacing-2);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
}

.era-demo-badge .era-years {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.era-demo-score {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.score-bar-mini {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.score-fill-mini {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.score-fill-mini.bearish {
    background: linear-gradient(90deg, #ef4444, #f87171);
}

.score-fill-mini.bullish {
    background: linear-gradient(90deg, #22c55e, #4ade80);
}

.score-value-mini {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    min-width: 60px;
    text-align: right;
}

.score-value-mini.bearish {
    color: #ef4444;
}

.score-value-mini.bullish {
    color: #22c55e;
}

.era-demo-note {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin: 0;
}

.era-demo-arrow {
    display: flex;
    justify-content: center;
    padding: var(--spacing-1) 0;
}

.era-demo-arrow svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
}

.auth-aside h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-8);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.feature-item {
    display: flex;
    gap: var(--spacing-4);
}

.feature-item .feature-icon {
    width: 44px;
    height: 44px;
    padding: var(--spacing-2);
    margin-bottom: 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-text h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-1);
}

.feature-text p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

@media (max-width: 1024px) {
    .auth-aside {
        display: none;
    }
    
    .auth-card {
        max-width: 520px;
        margin: 0 auto;
        padding: var(--spacing-8);
        padding-right: var(--spacing-10);
    }
    
    .auth-form {
        max-width: 460px;
    }
}

@media (max-width: 768px) {
    .auth-card {
        padding: var(--spacing-6);
        padding-right: var(--spacing-8);
    }
    
    .auth-form {
        max-width: 420px;
    }
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .auth-card {
        padding: var(--spacing-6);
        padding-right: var(--spacing-6);
    }
    
    .auth-form {
        max-width: 100%;
    }
}

/* =====================================================
   Footer
   ===================================================== */

.footer {
    padding: var(--spacing-16) 0 var(--spacing-8);
    background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 18, 0.8) 20%, var(--color-bg-primary) 100%);
    position: relative;
    z-index: 1;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
}

.footer-logo .logo-img {
    width: 36px;
    height: 36px;
}

.footer-logo span {
    font-family: var(--font-logo);
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #e4e4e7;
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.footer-quant {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.footer-quant a {
    color: var(--color-accent-primary);
}

.footer-links-group h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links-group ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-links-group a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-links-group a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.footer-social {
    display: flex;
    gap: var(--spacing-4);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
}

/* =====================================================
   Utilities
   ===================================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =====================================================
   Legal Section (Home Page)
   ===================================================== */

.legal-section {
    padding: var(--spacing-16) 0;
    position: relative;
    z-index: 1;
}

.legal-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.legal-card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    transition: all var(--transition-base);
}

.legal-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.legal-icon {
    width: 48px;
    height: 48px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
}

.legal-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-warning);
}

.legal-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.legal-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.legal-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.legal-link:hover {
    gap: var(--spacing-3);
}

.legal-link svg {
    width: 16px;
    height: 16px;
}

.legal-note {
    background: rgba(245, 158, 11, 0.05);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4) var(--spacing-6);
}

.legal-note p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.legal-note strong {
    color: var(--color-warning);
}

@media (max-width: 768px) {
    .legal-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   Legal Pages (Full Page Disclosures)
   ===================================================== */

.legal-page {
    padding: var(--spacing-20) 0;
    min-height: 100vh;
    background: var(--color-bg-primary);
}

.legal-page-header {
    margin-bottom: var(--spacing-12);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-6);
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-accent-primary);
}

.back-link svg {
    width: 16px;
    height: 16px;
}

.legal-page-header h1 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.legal-effective {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.legal-content {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-12);
    align-items: start;
}

.legal-toc {
    position: sticky;
    top: 100px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
}

.legal-toc h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.legal-toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.legal-toc li {
    margin-bottom: var(--spacing-2);
}

.legal-toc a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: block;
    padding: var(--spacing-1) 0;
}

.legal-toc a:hover {
    color: var(--color-accent-primary);
}

.legal-body {
    max-width: 800px;
}

.legal-body section {
    margin-bottom: var(--spacing-12);
}

.legal-body h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
    padding-top: var(--spacing-4);
}

.legal-body p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.legal-body ul {
    margin: var(--spacing-4) 0;
    padding-left: var(--spacing-6);
}

.legal-body li {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-3);
}

.legal-body li strong {
    color: var(--color-text-primary);
}

.warning-box {
    display: flex;
    gap: var(--spacing-4);
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.warning-box svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-error);
}

.warning-box p {
    margin: 0;
}

.warning-box strong {
    color: var(--color-error);
}

.info-box {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin: var(--spacing-6) 0;
}

.info-box p {
    margin: 0;
}

.info-box strong {
    color: var(--color-accent-primary);
}

.highlight-box {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.highlight-box h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-2);
}

.highlight-box p {
    margin: 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-6) 0;
    font-size: var(--font-size-sm);
}

.comparison-table th,
.comparison-table td {
    text-align: left;
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
}

.comparison-table td {
    color: var(--color-text-secondary);
}

.comparison-table tr:hover td {
    background: var(--color-bg-secondary);
}

.legal-contact {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    margin-top: var(--spacing-12);
}

.legal-contact h2 {
    padding-top: 0;
}

.legal-contact a {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.legal-contact a:hover {
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .legal-content {
        grid-template-columns: 1fr;
    }
    
    .legal-toc {
        position: static;
        margin-bottom: var(--spacing-8);
    }
}

@media (max-width: 640px) {
    .legal-page-header h1 {
        font-size: var(--font-size-3xl);
    }
    
    .warning-box {
        flex-direction: column;
    }
}

/* =====================================================
   PREMIUM MOBILE EXPERIENCE
   7-Figure Mobile Developer Quality
   ===================================================== */

/* Mobile-First Touch Optimizations */
@media (max-width: 768px) {
    /* Ensure minimum touch target size of 44px */
    .btn, 
    .nav-link, 
    .mobile-nav-link,
    a,
    button {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Disable hover effects on touch devices for cleaner UX */
    .btn:hover {
        transform: none;
    }
    
    /* Active states for touch feedback */
    .btn:active {
        transform: scale(0.97);
        opacity: 0.9;
    }
    
    .btn-primary:active {
        box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    }
}

/* Premium Mobile Navigation */
@media (max-width: 768px) {
    .navbar {
        padding: 0;
        z-index: 10000;
    }
    
    .nav-container {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .logo-img {
        width: 36px;
        height: 36px;
    }
    
    .logo-text {
        font-family: var(--font-logo);
        font-size: var(--font-size-lg);
        font-weight: 700;
    }
}

/* Premium Mobile Hero Section */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: var(--spacing-8) var(--spacing-4);
        padding-top: calc(var(--spacing-12) + 70px);
        padding-bottom: var(--spacing-12);
        gap: var(--spacing-10);
    }
    
    /* Mobile-optimized hero animations */
    .hero-aurora {
        inset: -30%;
        width: 160%;
        height: 160%;
    }
    
    .aurora-1,
    .aurora-2,
    .aurora-3 {
        animation-duration: 30s;
    }
    
    .orb {
        filter: blur(60px);
    }
    
    .orb-1 {
        width: 300px;
        height: 300px;
        top: -5%;
        left: -15%;
    }
    
    .orb-2 {
        width: 250px;
        height: 250px;
        right: -20%;
    }
    
    .orb-3,
    .orb-4 {
        display: none;
    }
    
    .hero-grid {
        background-size: 40px 40px;
    }
    
    .hero-glow {
        width: 100%;
        height: 400px;
        top: 10%;
    }
    
    .hero-badge {
        padding: var(--spacing-2) var(--spacing-3);
        margin-bottom: var(--spacing-6);
        font-size: var(--font-size-xs);
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.75rem);
        margin-bottom: var(--spacing-4);
        line-height: 1.15;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-8);
        line-height: var(--line-height-relaxed);
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-3);
        margin-bottom: var(--spacing-10);
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-4) var(--spacing-6);
    }
    
    .hero-metrics {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-4);
        width: 100%;
        padding: var(--spacing-4);
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-xl);
    }
    
    .metric {
        align-items: center;
        text-align: center;
    }
    
    .metric-value {
        font-size: var(--font-size-lg);
    }
    
    .metric-label {
        font-size: var(--font-size-xs);
    }
    
    .metric-divider {
        display: none;
    }
    
    /* Terminal window mobile optimization */
    .hero-visual {
        width: calc(100% + var(--spacing-8));
        margin-left: calc(-1 * var(--spacing-4));
        margin-right: calc(-1 * var(--spacing-4));
        max-width: none;
    }
    
    .terminal-window {
        border-radius: var(--radius-lg);
        border-left: none;
        border-right: none;
        border-radius: 0;
    }
    
    .terminal-header {
        padding: var(--spacing-2) var(--spacing-4);
    }
    
    .terminal-dots span {
        width: 10px;
        height: 10px;
    }
    
    .terminal-title {
        font-size: var(--font-size-xs);
    }
    
    .terminal-body {
        padding: var(--spacing-4);
    }
    
    .terminal-body pre {
        font-size: var(--font-size-xs);
        line-height: 1.6;
    }
}

/* Premium Mobile Sections */
@media (max-width: 768px) {
    /* Trusted section */
    .trusted-section {
        padding: var(--spacing-10) var(--spacing-4);
    }
    
    .trusted-label {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-6);
    }
    
    .trusted-logos {
        gap: var(--spacing-6);
    }
    
    .logo-placeholder {
        font-size: var(--font-size-sm);
    }
    
    /* Section headers */
    .section-header {
        margin-bottom: var(--spacing-10);
        padding: 0 var(--spacing-2);
    }
    
    .section-tag {
        font-size: var(--font-size-xs);
        padding: var(--spacing-1) var(--spacing-3);
        margin-bottom: var(--spacing-3);
    }
    
    .section-title {
        font-size: clamp(1.75rem, 7vw, 2.25rem);
        margin-bottom: var(--spacing-3);
    }
    
    .section-subtitle {
        font-size: var(--font-size-sm);
        line-height: var(--line-height-relaxed);
    }
    
    /* Features section */
    .features-section {
        padding: var(--spacing-16) 0;
    }
    
    .features-grid {
        gap: var(--spacing-4);
        padding: 0 var(--spacing-4);
    }
    
    .feature-card {
        padding: var(--spacing-5);
    }
    
    .feature-card h3 {
        font-size: var(--font-size-base);
    }
    
    .feature-card p {
        font-size: var(--font-size-sm);
    }
    
    .feature-card-large {
        padding: var(--spacing-6);
    }
    
    .feature-icon-large {
        width: 48px;
        height: 48px;
        margin-bottom: var(--spacing-4);
    }
}

/* Premium Mobile Era Section */
@media (max-width: 768px) {
    .era-section {
        padding: var(--spacing-16) 0;
    }
    
    .era-example {
        padding: var(--spacing-4);
        margin-bottom: var(--spacing-6);
    }
    
    .era-sample {
        font-size: var(--font-size-sm);
    }
    
    .era-card {
        padding: var(--spacing-4);
    }
    
    .era-badge {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-1);
    }
    
    .era-arrow {
        transform: rotate(90deg);
        margin: var(--spacing-2) auto;
    }
    
    .era-cta code {
        font-size: var(--font-size-xs);
        padding: var(--spacing-3);
    }
}

/* Premium Mobile Pricing */
@media (max-width: 768px) {
    .pricing-section {
        padding: var(--spacing-12) 0;
    }
    
    .pricing-grid {
        gap: var(--spacing-4);
        padding: 0 var(--spacing-4);
    }
    
    .pricing-card {
        padding: var(--spacing-5);
    }
    
    .pricing-card-featured {
        padding: var(--spacing-6);
    }
    
    .pricing-badge {
        font-size: var(--font-size-xs);
        padding: var(--spacing-1) var(--spacing-3);
    }
    
    .pricing-header h3 {
        font-size: var(--font-size-xl);
    }
    
    .pricing-price {
        margin: var(--spacing-4) 0;
    }
    
    .price-amount {
        font-size: var(--font-size-3xl);
    }
    
    .pricing-features {
        gap: var(--spacing-3);
        margin-bottom: var(--spacing-6);
    }
    
    .pricing-features li {
        font-size: var(--font-size-sm);
    }
}

/* Premium Mobile Steps/How Section */
@media (max-width: 768px) {
    .how-section {
        padding: var(--spacing-16) 0;
    }
    
    .steps-grid {
        padding: 0 var(--spacing-4);
    }
    
    .step-card {
        padding: var(--spacing-5);
    }
    
    .step-number {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-3);
    }
    
    .step-card h3 {
        font-size: var(--font-size-lg);
    }
    
    .step-connector {
        transform: rotate(90deg);
        width: 40px;
        margin: var(--spacing-2) auto;
    }
}

/* Premium Mobile CTA Section */
@media (max-width: 768px) {
    .cta-section {
        padding: var(--spacing-12) var(--spacing-4);
    }
    
    .cta-content {
        padding: var(--spacing-8) var(--spacing-5);
        border-radius: var(--radius-xl);
    }
    
    .cta-content h2 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-3);
    }
    
    .cta-content p {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-6);
    }
    
    .cta-actions {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .cta-actions .btn {
        width: 100%;
    }
}

/* Premium Mobile Research Section */
@media (max-width: 768px) {
    .research-section {
        padding: var(--spacing-16) var(--spacing-4);
    }
    
    .research-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        margin-top: var(--spacing-10);
    }
    
    .research-paper-card {
        padding: var(--spacing-6);
    }
    
    .paper-title {
        font-size: var(--font-size-lg);
    }
    
    .paper-abstract {
        font-size: var(--font-size-sm);
    }
    
    .insight-card {
        padding: var(--spacing-4);
    }
    
    .insight-icon {
        width: 40px;
        height: 40px;
    }
    
    .insight-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .insight-card h4 {
        font-size: var(--font-size-sm);
    }
    
    .insight-card p {
        font-size: var(--font-size-xs);
    }
    
    .research-cta {
        flex-direction: column;
        margin-top: var(--spacing-10);
    }
    
    .research-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Premium Mobile Legal Section */
@media (max-width: 768px) {
    .legal-section {
        padding: var(--spacing-12) var(--spacing-4);
    }
    
    .legal-grid {
        gap: var(--spacing-4);
    }
    
    .legal-card {
        padding: var(--spacing-5);
    }
    
    .legal-icon {
        width: 40px;
        height: 40px;
        margin-bottom: var(--spacing-3);
    }
    
    .legal-card h3 {
        font-size: var(--font-size-lg);
    }
    
    .legal-note {
        padding: var(--spacing-4);
        font-size: var(--font-size-sm);
    }
}

/* Premium Mobile Footer */
@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-12) 0 var(--spacing-8);
    }
    
    .footer-container {
        padding: 0 var(--spacing-4);
    }
    
    .footer-grid {
        gap: var(--spacing-8);
    }
    
    .footer-brand .footer-logo {
        margin-bottom: var(--spacing-3);
    }
    
    .footer-brand .footer-logo span {
        font-family: var(--font-logo);
        font-size: var(--font-size-lg);
        font-weight: 700;
    }
    
    .footer-tagline {
        font-size: var(--font-size-sm);
    }
    
    .footer-links-group h4 {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-3);
    }
    
    .footer-links-group li {
        margin-bottom: var(--spacing-2);
    }
    
    .footer-links-group a {
        font-size: var(--font-size-sm);
        padding: var(--spacing-1) 0;
        display: inline-block;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
        padding-top: var(--spacing-6);
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-social a {
        width: 44px;
        height: 44px;
    }
}

/* Premium Mobile Auth Pages */
@media (max-width: 768px) {
    .auth-section {
        padding-top: 70px;
    }
    
    .auth-card {
        padding: var(--spacing-6);
    }
    
    .auth-card-narrow {
        margin: var(--spacing-4);
        padding: var(--spacing-6);
        border-radius: var(--radius-xl);
    }
    
    .auth-header {
        margin-bottom: var(--spacing-6);
    }
    
    .auth-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .auth-header p {
        font-size: var(--font-size-sm);
    }
    
    .auth-logo-img {
        width: 56px;
        height: 56px;
    }
    
    .form-group {
        margin-bottom: var(--spacing-4);
    }
    
    .form-group label {
        font-size: var(--font-size-sm);
    }
    
    .form-input {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-base);
        border-radius: var(--radius-lg);
    }
    
    /* Larger touch targets for form elements */
    .form-input,
    .form-select,
    .form-textarea {
        min-height: 48px;
    }
    
    .form-checkbox {
        gap: var(--spacing-3);
    }
    
    .checkbox-input {
        width: 22px;
        height: 22px;
    }
    
    .auth-footer {
        margin-top: var(--spacing-6);
    }
    
    .auth-footer p {
        font-size: var(--font-size-sm);
    }
}

/* Premium Mobile Legal Pages */
@media (max-width: 768px) {
    .legal-page {
        padding-top: calc(70px + var(--spacing-6));
    }
    
    .legal-page-header {
        margin-bottom: var(--spacing-8);
        padding: 0 var(--spacing-4);
    }
    
    .back-link {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-4);
    }
    
    .legal-page-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .legal-toc {
        padding: var(--spacing-4);
        margin-bottom: var(--spacing-6);
        border-radius: var(--radius-lg);
    }
    
    .legal-toc h3 {
        font-size: var(--font-size-sm);
    }
    
    .legal-toc a {
        font-size: var(--font-size-sm);
        padding: var(--spacing-2) 0;
    }
    
    .legal-body section {
        margin-bottom: var(--spacing-8);
    }
    
    .legal-body h2 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-3);
    }
    
    .legal-body p,
    .legal-body li {
        font-size: var(--font-size-sm);
        line-height: var(--line-height-relaxed);
    }
    
    .highlight-box,
    .info-box,
    .warning-box {
        padding: var(--spacing-4);
        border-radius: var(--radius-lg);
    }
    
    .comparison-table {
        font-size: var(--font-size-xs);
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-2);
    }
}

/* =====================================================
   Symposium Section - Social Platform Feature
   ===================================================== */

.symposium-section {
    padding: var(--spacing-20) 0;
    background: linear-gradient(180deg, 
        var(--color-bg-secondary) 0%, 
        var(--color-bg-primary) 50%,
        var(--color-bg-secondary) 100%
    );
    position: relative;
    overflow: hidden;
}

.symposium-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.symposium-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    margin-top: var(--spacing-12);
}

.symposium-feature {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.symposium-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.symposium-feature:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.1);
}

.symposium-feature:hover::before {
    opacity: 1;
}

.symposium-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--color-accent-primary);
    transition: all var(--transition-base);
}

.symposium-feature:hover .symposium-icon {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(139, 92, 246, 0.2));
    transform: scale(1.05);
}

.symposium-feature h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.symposium-feature p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.symposium-cta {
    margin-top: var(--spacing-12);
    text-align: center;
}

.symposium-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
}

.symposium-cta .btn i {
    font-size: var(--font-size-lg);
}

/* Responsive Symposium */
@media (max-width: 1024px) {
    .symposium-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .symposium-section {
        padding: var(--spacing-12) 0;
    }
    
    .symposium-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .symposium-feature {
        padding: var(--spacing-6);
    }
    
    .symposium-icon {
        width: 56px;
        height: 56px;
        font-size: var(--font-size-xl);
    }
}

/* =====================================================
   Coming Soon Section (Post API)
   ===================================================== */
.coming-soon-section {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.coming-soon-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(124, 58, 237, 0.1) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.coming-soon-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: start;
    margin-top: var(--spacing-12);
}

.coming-soon-preview {
    position: sticky;
    top: 100px;
}

.coming-soon-preview .terminal-window {
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform var(--transition-slow);
}

.coming-soon-preview .terminal-window:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.coming-soon-features {
    display: grid;
    gap: var(--spacing-6);
}

.coming-soon-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.coming-soon-feature:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-border-hover);
    transform: translateX(4px);
}

.coming-soon-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.coming-soon-icon i {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

.coming-soon-feature h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.coming-soon-feature p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.coming-soon-cta {
    margin-top: var(--spacing-16);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: #a78bfa;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: #a78bfa;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.coming-soon-cta p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 500px;
}

.coming-soon-cta .btn {
    margin-top: var(--spacing-4);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
}

.coming-soon-cta .btn i {
    font-size: var(--font-size-lg);
}

/* Responsive Coming Soon */
@media (max-width: 1024px) {
    .coming-soon-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }
    
    .coming-soon-preview {
        position: static;
        order: 1;
    }
    
    .coming-soon-features {
        order: 2;
    }
    
    .coming-soon-preview .terminal-window {
        transform: none;
    }
}

@media (max-width: 640px) {
    .coming-soon-section {
        padding: var(--spacing-12) 0;
    }
    
    .coming-soon-feature {
        flex-direction: column;
        text-align: center;
    }
    
    .coming-soon-icon {
        margin: 0 auto;
    }
}

/* Smooth Scroll Behavior */
@media (max-width: 768px) {
    html {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Prevent content jump when keyboard appears */
    body {
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }
}

/* Safe Area Insets for Modern Phones */
@supports (padding: max(0px)) {
    @media (max-width: 768px) {
        .navbar {
            padding-top: max(var(--spacing-2), env(safe-area-inset-top));
        }
        
        .mobile-menu {
            padding-bottom: max(var(--spacing-6), env(safe-area-inset-bottom));
        }
        
        .footer-bottom {
            padding-bottom: max(var(--spacing-6), env(safe-area-inset-bottom));
        }
        
        .hero {
            padding-left: max(var(--spacing-4), env(safe-area-inset-left));
            padding-right: max(var(--spacing-4), env(safe-area-inset-right));
        }
    }
}

/* Reduced Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .mobile-menu {
        transition: none;
    }
}

/* =====================================================
   Feed / Symposium Layout
   ===================================================== */

:root {
    --sidebar-width: 280px;
    --navbar-height: 80px;
}

.feed-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--sidebar-width);
    max-width: 1200px;
    margin: 0 auto;
    gap: 0;
    padding-top: var(--navbar-height);
    position: relative;
    overflow: hidden;
}

/* Symposium Ambient Background - Classical Forum Atmosphere */
.feed-layout::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background: 
        /* Central top glow - like torchlight from above */
        radial-gradient(ellipse 100% 60% at 50% 0%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        /* Subtle corner accents */
        radial-gradient(ellipse 40% 40% at 0% 0%, rgba(124, 58, 237, 0.035) 0%, transparent 50%),
        radial-gradient(ellipse 40% 40% at 100% 100%, rgba(124, 58, 237, 0.025) 0%, transparent 50%),
        /* Bottom vignette for depth */
        linear-gradient(to top, rgba(0, 0, 0, 0.15) 0%, transparent 30%);
}

.feed-layout::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.018;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.feed-layout > * {
    position: relative;
    z-index: 1;
}

.feed-sidebar {
    position: sticky;
    top: var(--navbar-height);
    height: calc(100vh - var(--navbar-height));
    padding: var(--spacing-6);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.feed-sidebar-left {
    border-right: 1px solid var(--color-border);
}

.feed-sidebar-right {
    border-left: 1px solid var(--color-border);
}

.feed-main {
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    min-height: calc(100vh - var(--navbar-height));
    overflow: hidden;
    min-width: 0;
    width: 100%;
    /* Cap at layout max minus both sidebars */
    max-width: calc(1200px - 2 * var(--sidebar-width));
    box-sizing: border-box;
    contain: inline-size;
}

/* =====================================================
   Responsive Sidebar Behavior
   ===================================================== */

/* Sidebar overlay (legacy support) */
.sidebar-overlay {
    display: none;
}

/* At 1100px breakpoint, hide both sidebars and switch to mobile menu */
@media (max-width: 1100px) {
    /* Hide both sidebars completely - use mobile menu instead */
    .feed-sidebar-left,
    .feed-sidebar-right {
        display: none !important;
    }
    
    /* Adjust feed layout to single column */
    .feed-layout {
        grid-template-columns: minmax(0, 1fr);
    }
    
    .feed-main {
        border: none;
    }
}

/* =====================================================
   Feed Sidebar Navigation
   ===================================================== */

.feed-sidebar .sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.feed-sidebar .sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.feed-sidebar .sidebar-link:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.feed-sidebar .sidebar-link.active {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
}

.feed-sidebar .sidebar-link i {
    width: 28px;
    font-size: var(--font-size-xl);
}

/* Notification badge */
.sidebar-link-with-badge {
    position: relative;
}

.notification-badge {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Upgrade Link Styling */
.sidebar-upgrade {
    position: relative;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(5, 150, 105, 0.04));
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.sidebar-upgrade:hover {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.1)) !important;
    border-color: rgba(16, 185, 129, 0.3);
}

.sidebar-upgrade i {
    color: #10b981 !important;
}

.sidebar-upgrade span:not(.upgrade-badge) {
    background: linear-gradient(90deg, #10b981, #14b8a6, #059669);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: upgradeGradient 3s ease-in-out infinite;
}

@keyframes upgradeGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.upgrade-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    font-size: 9px;
    font-weight: var(--font-weight-bold);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: auto;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.sidebar-compose-btn {
    margin-top: var(--spacing-4);
    padding: var(--spacing-4);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-full);
}

/* =====================================================
   Compose Box
   ===================================================== */

.compose-box {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.compose-form {
    display: flex;
    gap: var(--spacing-4);
}

.compose-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.compose-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: white;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

/* Avatar Placeholder Color Variants */
.avatar-placeholder.color-default {
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
}

.avatar-placeholder.color-cyan {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.avatar-placeholder.color-purple {
    background: linear-gradient(135deg, #a855f7, #7c3aed);
}

.avatar-placeholder.color-green {
    background: linear-gradient(135deg, #10b981, #059669);
}

.avatar-placeholder.color-pink {
    background: linear-gradient(135deg, #ec4899, #db2777);
}

.avatar-placeholder.color-orange {
    background: linear-gradient(135deg, #f97316, #ea580c);
}

.avatar-placeholder.color-red {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

/* ========== ANIMATED PROFILE COLORS (Trader Exclusive) ========== */

.avatar-placeholder.color-matrix,
.avatar-placeholder.color-aurora,
.avatar-placeholder.color-neongrid,
.avatar-placeholder.color-pulse,
.avatar-placeholder.color-starfield,
.avatar-placeholder.color-void,
.avatar-placeholder.color-inferno,
.avatar-placeholder.color-frozen,
.avatar-placeholder.color-prism,
.avatar-placeholder.color-gilded {
    opacity: 0.9;
}

.avatar-placeholder.color-matrix {
    background: radial-gradient(circle at 30% 30%, #00ff41 0%, #003300 60%, #001100 100%);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-matrix::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 255, 65, 0.3) 100%);
    animation: avatarMatrixPulse 2s ease-in-out infinite;
}

@keyframes avatarMatrixPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

.avatar-placeholder.color-aurora {
    background: radial-gradient(circle at 30% 30%, #22d3ee 0%, #8b5cf6 50%, #10b981 100%);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-aurora::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: conic-gradient(from 0deg, #10b981, #8b5cf6, #22d3ee, #10b981);
    filter: blur(8px);
    animation: avatarAuroraSpin 4s linear infinite;
    opacity: 0.5;
}

@keyframes avatarAuroraSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.avatar-placeholder.color-neongrid {
    background: radial-gradient(circle at 30% 30%, #818cf8 0%, #6366f1 50%, #4338ca 100%);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-neongrid::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.4) 50%, transparent 60%);
    animation: avatarNeonShine 2s ease-in-out infinite;
}

@keyframes avatarNeonShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.avatar-placeholder.color-pulse {
    background: radial-gradient(circle at 50% 50%, #818cf8 0%, #4338ca 50%, #1e1b4b 100%);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-pulse::before {
    content: '';
    position: absolute;
    inset: 20%;
    background: radial-gradient(circle, rgba(129, 140, 248, 0.8) 0%, transparent 70%);
    border-radius: 50%;
    animation: avatarPulsePulse 1.5s ease-out infinite;
}

@keyframes avatarPulsePulse {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.avatar-placeholder.color-starfield {
    background: radial-gradient(circle at 30% 30%, #334155 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-starfield::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(1px 1px at 20% 30%, white, transparent),
        radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 40% 70%, white, transparent),
        radial-gradient(1px 1px at 80% 60%, rgba(255,255,255,0.6), transparent);
    animation: avatarStarsTwinkle 2s ease-in-out infinite;
}

@keyframes avatarStarsTwinkle {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.avatar-placeholder.color-void {
    background: radial-gradient(circle at 30% 30%, #a855f7 0%, #7c3aed 40%, #1a0029 100%);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-void::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.5) 0%, transparent 50%);
    animation: avatarVoidPulse 3s ease-in-out infinite;
}

@keyframes avatarVoidPulse {
    0%, 100% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.avatar-placeholder.color-inferno {
    background: radial-gradient(circle at 30% 70%, #fbbf24 0%, #f97316 30%, #ef4444 60%, #7f1d1d 100%);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-inferno::before {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -20%;
    right: -20%;
    height: 80%;
    background: radial-gradient(ellipse at 50% 100%, rgba(251, 191, 36, 0.6) 0%, transparent 60%);
    animation: avatarInfernoFlicker 0.5s ease-in-out infinite alternate;
}

@keyframes avatarInfernoFlicker {
    0% { opacity: 0.6; transform: scaleY(1); }
    100% { opacity: 1; transform: scaleY(1.1); }
}

.avatar-placeholder.color-frozen {
    background: radial-gradient(circle at 30% 30%, #ecfeff 0%, #67e8f9 30%, #22d3ee 60%, #0e7490 100%);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-frozen::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(1px 1px at 25% 25%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 75% 40%, rgba(236, 254, 255, 0.8), transparent),
        radial-gradient(1px 1px at 50% 75%, rgba(255, 255, 255, 0.7), transparent);
    animation: avatarFrozenSparkle 1.5s ease-in-out infinite;
}

@keyframes avatarFrozenSparkle {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.avatar-placeholder.color-prism {
    background: conic-gradient(
        from 0deg,
        #ef4444,
        #f97316,
        #eab308,
        #22c55e,
        #06b6d4,
        #6366f1,
        #a855f7,
        #ec4899,
        #ef4444
    );
    position: relative;
    overflow: hidden;
    animation: avatarPrismSpin 3s linear infinite;
}

@keyframes avatarPrismSpin {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.avatar-placeholder.color-gilded {
    background: radial-gradient(circle at 30% 30%, #fde68a 0%, #fbbf24 40%, #d97706 70%, #78350f 100%);
    position: relative;
    overflow: hidden;
}

.avatar-placeholder.color-gilded::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        transparent 30%,
        rgba(253, 230, 138, 0.6) 45%,
        rgba(251, 191, 36, 0.8) 50%,
        rgba(253, 230, 138, 0.6) 55%,
        transparent 70%
    );
    animation: avatarGildedShimmer 3s ease-in-out infinite;
}

@keyframes avatarGildedShimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.compose-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.compose-textarea {
    width: 100%;
    min-height: 80px;
    max-height: 300px;
    padding: var(--spacing-3);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    font-family: var(--font-primary);
    line-height: var(--line-height-normal);
    resize: none;
    outline: none;
}

.compose-textarea::placeholder {
    color: var(--color-text-muted);
}

.compose-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--color-border);
}

.compose-tools {
    display: flex;
    gap: var(--spacing-2);
}

.compose-tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--color-accent-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.compose-tool-btn:hover {
    background: rgba(0, 212, 255, 0.1);
}

.compose-submit {
    padding: var(--spacing-2) var(--spacing-5);
}

.char-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.char-count.warning {
    color: var(--color-warning);
}

.char-count.error {
    color: var(--color-error);
}

/* =====================================================
   Post Card
   ===================================================== */

.posts-container {
    display: flex;
    flex-direction: column;
}

.post-card {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.post-card:hover {
    background: var(--color-bg-secondary);
}

.post-wrapper {
    display: flex;
    gap: var(--spacing-3);
}

.post-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.post-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-content {
    flex: 1;
    min-width: 0;
}

.post-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-1);
    flex-wrap: wrap;
}

.post-author-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.post-author-name:hover {
    text-decoration: underline;
}

.verified-badge {
    color: var(--color-accent-primary);
    font-size: var(--font-size-sm);
}

.post-author-username {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.post-timestamp {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.post-timestamp::before {
    content: "·";
    margin-right: var(--spacing-2);
}

.post-text {
    margin-bottom: var(--spacing-3);
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: var(--line-height-relaxed);
}

/* Stock ticker links */
.ticker-link {
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-medium);
}

.ticker-link:hover {
    text-decoration: underline;
}

/* Mention links */
.mention-link {
    color: var(--color-accent-primary);
}

.mention-link:hover {
    text-decoration: underline;
}

/* Post Actions */
.post-actions {
    display: flex;
    gap: var(--spacing-6);
    margin-top: var(--spacing-2);
}

.post-action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.post-action-btn:hover {
    color: var(--color-accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

.post-action-btn.liked {
    color: var(--color-error);
}

.post-action-btn.reposted {
    color: var(--color-success);
}

.post-action-btn.bookmarked {
    color: var(--color-accent-primary);
}

/* =====================================================
   Feed Sidebar Right - Trending & Reputation Leaders
   ===================================================== */

.sidebar-section {
    margin-bottom: var(--spacing-6);
}

.sidebar-section-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.sidebar-section-link:hover .sidebar-section-title {
    opacity: 0.85;
}

.sidebar-section-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
}

.sidebar-section-title i {
    margin-right: 6px;
}

/* Animated gradient titles */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.sidebar-title-trending {
    background: linear-gradient(90deg, #8b0000, #dc143c, #ff4444, #dc143c, #8b0000);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

.sidebar-title-trending i {
    -webkit-text-fill-color: initial;
    background: linear-gradient(90deg, #8b0000, #dc143c, #ff4444, #dc143c, #8b0000);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

.sidebar-title-reputation {
    background: linear-gradient(90deg, #b8860b, #ffd700, #ffec8b, #ffd700, #b8860b);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

.sidebar-title-reputation i {
    -webkit-text-fill-color: initial;
    background: linear-gradient(90deg, #b8860b, #ffd700, #ffec8b, #ffd700, #b8860b);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

.trending-card,
.follow-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.trending-item {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.trending-item:last-child {
    border-bottom: none;
}

.trending-item:hover {
    background: var(--color-bg-tertiary);
}

.trending-rank {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-1);
}

/* Gold/Silver/Bronze for top 3 trending */
.trending-item:nth-child(1) .trending-rank,
.quick-add-item:nth-child(1) .trending-rank {
    color: #ffd700;
}

.trending-item:nth-child(2) .trending-rank,
.quick-add-item:nth-child(2) .trending-rank {
    color: #c0c0c0;
}

.trending-item:nth-child(3) .trending-rank,
.quick-add-item:nth-child(3) .trending-rank {
    color: #cd7f32;
}

.trending-ticker {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.trending-ticker .ticker {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.trending-mentions {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.trending-more {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-accent-primary);
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
}

.trending-more:hover {
    background: var(--color-bg-tertiary);
}

/* Reputation Leaders - Compact Design */
.leaders-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.leaders-empty {
    padding: var(--spacing-4);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.leader-row {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    transition: background 0.15s ease;
    overflow: visible;
}

.leader-row:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.leader-row:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.leader-row:first-child:last-child {
    border-radius: var(--radius-lg);
}

.leader-row:hover {
    background: var(--color-bg-tertiary);
}

.leader-rank {
    width: 16px;
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-tertiary);
    text-align: center;
    flex-shrink: 0;
}

.leader-row:first-child .leader-rank {
    color: #ffd700;
}

.leader-row:nth-child(2) .leader-rank {
    color: #c0c0c0;
}

.leader-row:nth-child(3) .leader-rank {
    color: #cd7f32;
}

.leader-avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.leader-avatar img,
.leader-avatar .avatar-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    font-size: 11px;
}

.leader-details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow: visible;
}

.leader-name {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leader-name .verified-badge {
    font-size: 10px;
    flex-shrink: 0;
}

.leader-username {
    font-size: 10px;
    color: var(--color-text-tertiary);
}

.leader-score {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 10px;
    color: var(--color-accent-secondary);
    margin-left: 6px;
}

.leader-score i {
    font-size: 9px;
}

.period-badge {
    display: inline-block;
    font-size: 9px;
    font-weight: var(--font-weight-bold);
    padding: 2px 6px;
    border-radius: 4px;
    background: color-mix(in srgb, var(--color-accent-primary) 20%, transparent);
    color: var(--color-accent-primary);
    margin-left: 6px;
    vertical-align: middle;
}

/* Trending 24h badge - off red/orange (fire theme) */
.period-badge-fire {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

/* Rep Leaders 24h badge - off yellow/gold (crown theme) */
.period-badge-crown {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
}

.leader-badges {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 3px;
    flex-wrap: nowrap;
    position: relative;
    z-index: 100;
}

.leader-institution,
.leader-trader {
    flex-shrink: 0;
}

.leader-institution {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 9px;
    padding: 2px 5px;
    border-radius: 3px;
    background: color-mix(in srgb, var(--badge-color) 12%, transparent);
    color: var(--badge-color);
    font-weight: var(--font-weight-medium);
}

.leader-institution i {
    font-size: 8px;
}

.leader-mod {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: rgba(168, 85, 247, 0.15);
    border-radius: var(--radius-full);
    color: #a855f7;
}

.leader-mod i {
    font-size: 8px;
}

.leader-trader {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 9px;
    padding: 2px 5px;
    border-radius: 3px;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    font-weight: var(--font-weight-medium);
}

.leader-trader i {
    font-size: 8px;
}

.leader-rep {
    font-size: 13px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    flex-shrink: 0;
    min-width: 36px;
    text-align: right;
}

/* Reputation tier glows */
.leader-rep.tier-1 {
    color: var(--color-accent-primary);
}

.leader-rep.tier-2 {
    color: #10b981;
}

.leader-rep.tier-3 {
    color: #fbbf24;
}

.leader-rep.tier-4 {
    color: var(--color-accent-secondary);
}

.leader-rep.tier-5 {
    background: linear-gradient(90deg, #ff6b6b, #feca57, #1dd1a1, #54a0ff, #5f27cd);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbow-shift 3s linear infinite;
}

@keyframes rainbow-shift {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

/* Who to Follow (Legacy) */
.follow-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.follow-item:last-child {
    border-bottom: none;
}

.follow-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.follow-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.follow-info {
    flex: 1;
    min-width: 0;
}

.follow-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.follow-username {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}

.follow-btn {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

/* Empty State */
.empty-state {
    padding: var(--spacing-12);
    text-align: center;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-3xl);
    color: var(--color-accent-primary);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
}

.empty-state-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
}

.empty-state .btn {
    margin-top: var(--spacing-6);
}

/* =============================================================================
   Mentions & Instruments Highlighting
   ============================================================================= */

/* @mention links - blue color */
.mention {
    color: #0ea5e9;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.mention:hover {
    color: #38bdf8;
    text-decoration: underline;
}

/* Instrument links - cyan color */
.instrument {
    color: var(--color-accent-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.instrument:hover {
    text-decoration: underline;
}

.instrument-option {
    color: var(--color-accent-secondary);
}

/* =============================================================================
   Mentions Autocomplete Dropdown
   ============================================================================= */

.mentions-container {
    position: relative;
    width: 100%;
}

.mentions-dropdown {
    position: absolute;
    left: 0;
    bottom: 100%;
    margin-bottom: 8px;
    z-index: 9999;
    width: 320px;
    max-width: 100%;
    max-height: 280px;
    overflow-y: auto;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.3),
        0 10px 20px -2px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(0, 212, 255, 0.05);
    backdrop-filter: blur(12px);
    display: none;
    animation: mentionsSlideIn 0.15s ease-out;
}

@keyframes mentionsSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mentions-dropdown.active {
    display: block;
}

.mentions-dropdown-header {
    padding: var(--spacing-2) var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.mentions-dropdown-header i {
    color: var(--color-accent-primary);
    font-size: 11px;
}

.mentions-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.mentions-dropdown-item:last-child {
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.mentions-dropdown-item:hover,
.mentions-dropdown-item.selected {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.08) 0%, rgba(139, 92, 246, 0.04) 100%);
    border-left-color: var(--color-accent-primary);
}

.mentions-dropdown-item.selected {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.12) 0%, rgba(139, 92, 246, 0.06) 100%);
}

.mentions-dropdown-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    overflow: hidden;
}

.mentions-dropdown-avatar img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.mentions-dropdown-avatar .avatar-placeholder {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: white;
    font-weight: var(--font-weight-bold);
}

.mentions-dropdown-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mentions-dropdown-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.mentions-dropdown-name .verified-badge {
    color: var(--color-accent-primary);
    font-size: 12px;
}

.mentions-dropdown-name .trader-badge {
    padding: 2px 6px;
    font-size: 9px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: var(--radius-full);
    color: white;
}

.mentions-dropdown-name .trader-badge i {
    font-size: 8px;
}

.mentions-dropdown-username {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}

.mentions-dropdown-badges {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 6px;
}

.mention-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: var(--font-weight-semibold);
    width: fit-content;
}

.mention-badge.trader {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.mention-badge.trader i {
    font-size: 9px;
}

.mention-badge.institution {
    background: color-mix(in srgb, var(--badge-color, #6366f1) 15%, transparent);
    color: var(--badge-color, #6366f1);
    border: 1px solid color-mix(in srgb, var(--badge-color, #6366f1) 30%, transparent);
}

.mention-badge.institution i {
    font-size: 9px;
}

.mentions-dropdown-empty {
    padding: var(--spacing-6) var(--spacing-4);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.mentions-dropdown-empty i {
    display: block;
    font-size: 24px;
    margin-bottom: var(--spacing-2);
    color: var(--color-text-muted);
    opacity: 0.5;
}

.mentions-dropdown-loading {
    padding: var(--spacing-4);
    text-align: center;
    color: var(--color-accent-primary);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
}

.mentions-dropdown-loading i {
    font-size: 14px;
}

/* Scrollbar styling for mentions dropdown */
.mentions-dropdown::-webkit-scrollbar {
    width: 6px;
}

.mentions-dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.mentions-dropdown::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.mentions-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* =====================================================
   Mobile Horizontal Overflow Prevention
   Ensures proper containment on mobile devices
   ===================================================== */

@media (max-width: 768px) {
    /* Root level overflow containment */
    html, body {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    /* Main content area containment */
    main {
        overflow-x: hidden;
    }
    
    /* Hero Section - Contain background elements */
    .hero {
        overflow: hidden;
        max-width: 100vw;
    }
    
    .hero-bg {
        overflow: hidden;
    }
    
    /* Aurora layers - scale down and contain */
    .hero-aurora {
        inset: -20%;
        width: 140%;
        height: 140%;
    }
    
    /* Orbs - reduce size for mobile to prevent overflow */
    .orb-1 {
        width: 250px;
        height: 250px;
        left: -80px;
        top: -5%;
    }
    
    .orb-2 {
        width: 200px;
        height: 200px;
        right: -60px;
    }
    
    .orb-3 {
        width: 180px;
        height: 180px;
        left: 0;
    }
    
    .orb-4 {
        width: 150px;
        height: 150px;
        right: 0;
    }
    
    /* Hero glow - scale down */
    .hero-glow {
        width: 100%;
        max-width: 400px;
    }
    
    /* Hero content containment */
    .hero-content {
        overflow: hidden;
        max-width: 100%;
    }
    
    .hero-visual {
        overflow: hidden;
        max-width: 100%;
    }
    
    /* Sections - ensure containment */
    .symposium-section,
    .discourse-section,
    .api-section,
    .final-cta-section,
    section {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    /* Container - prevent overflow */
    .container {
        overflow-x: hidden;
        max-width: 100%;
    }
    
    /* Timeline track adjustments */
    .h-timeline {
        overflow: hidden;
    }
    
    /* Feature grid containment */
    .feature-grid,
    .api-grid {
        overflow: hidden;
    }
    
    /* Pricing grid containment */
    .pricing-grid,
    .api-pricing {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 480px) {
    /* Even more aggressive containment for small devices */
    .hero-aurora {
        inset: -10%;
        width: 120%;
        height: 120%;
    }
    
    .orb-1 {
        width: 150px;
        height: 150px;
        left: -50px;
    }
    
    .orb-2 {
        width: 120px;
        height: 120px;
        right: -40px;
    }
    
    .orb-3,
    .orb-4 {
        display: none; /* Hide extra orbs on very small screens */
    }
    
    .hero-glow {
        width: 100%;
        max-width: 300px;
    }
    
    /* Discourse section orbs containment */
    .discourse-orb-1 {
        width: 250px;
        height: 250px;
        left: -80px;
        top: -50px;
    }
    
    .discourse-orb-2 {
        width: 200px;
        height: 200px;
        right: -60px;
        bottom: -50px;
    }
}