/* ========================================
   AlphaBench - Main Stylesheet
   Design: Modern Academic / Bold Dark Theme
   Style: Dark Mode + Signal Orange / OLO Cyan / Sky Yellow
   Colors: #FC5200 #00DBB6 #FFE000
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* Colors - Dark Theme with Vibrant Accents */
    --color-bg-primary: #0A0E1A;
    --color-bg-secondary: #0F1425;
    --color-bg-tertiary: #161B2E;
    --color-bg-card: rgba(22, 27, 46, 0.95);
    --color-bg-glass: rgba(255, 255, 255, 0.03);
    
    /* Accent Colors - Signal Orange / OLO Cyan / Sky Yellow */
    --color-primary: #00DBB6;       /* OLO Cyan */
    --color-primary-light: #33E5C8;
    --color-secondary: #FC5200;     /* Signal Orange */
    --color-accent-gold: #FFE000;   /* Sky Yellow */
    --color-accent-green: #00DBB6;  /* OLO Cyan */
    --color-accent-cyan: #00DBB6;   /* OLO Cyan */
    --color-accent-rose: #FC5200;   /* Signal Orange */
    
    /* Text Colors */
    --color-text-primary: #F1F5F9;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;
    
    /* Borders */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.12);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00DBB6 0%, #00C4A3 50%, #FC5200 100%);
    --gradient-hero: linear-gradient(135deg, #0A0E1A 0%, #0F1425 50%, #0A1520 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 219, 182, 0.05) 0%, rgba(252, 82, 0, 0.03) 100%);
    
    /* Typography */
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows - Dark Theme */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.35), 0 4px 10px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(0, 219, 182, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Layout */
    --container-max: 1200px;
    --navbar-height: 72px;
}

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

/* ========== SVG Icon Styles ========== */
.icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
    transition: transform var(--transition-normal), color var(--transition-fast);
}

/* Icon color inheritance */
.stat-icon .icon,
.feature-icon .icon,
.setup-icon .icon,
.scale-icon .icon {
    color: var(--color-primary);
}

.section-icon .icon {
    color: var(--color-primary);
}

.card-icon .icon,
.task-icon .icon,
.method-icon .icon {
    color: var(--color-primary-light);
}

.alert-icon .icon {
    color: var(--color-accent-rose);
}

.insight-icon .icon,
.finding-icon .icon {
    color: var(--color-accent-gold);
}

.success-card .finding-icon .icon {
    color: var(--color-accent-green);
}

.warning-card .finding-icon .icon {
    color: var(--color-accent-gold);
}

.insight-card .finding-icon .icon {
    color: var(--color-primary);
}

.badge-icon .icon {
    color: var(--color-accent-gold);
}

.logo-icon .icon {
    color: white;
}

.paper-icon {
    color: var(--color-primary);
    margin-right: var(--spacing-xs);
}

/* Icon hover animations */
.stat-card:hover .icon,
.feature-card:hover .icon,
.setup-card:hover .icon,
.scale-item:hover .icon {
    transform: scale(1.1) rotate(5deg);
}

.method-item:hover .icon {
    transform: translateX(4px);
}

.btn:hover .icon {
    transform: translateY(-1px);
}

/* Pulse animation for specific icons */
@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-badge .icon {
    animation: iconPulse 2s ease-in-out infinite;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 8vw, 5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--color-text-secondary);
    max-width: 65ch;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary);
}

/* Prevent global a:hover from overriding button styles */
a.btn:hover {
    color: unset;
}

ul, ol {
    list-style: none;
}

strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

em {
    font-style: italic;
    color: var(--color-primary);
}

/* ========== Container ========== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #FC5200 0%, #FF6B20 100%);
    color: white !important;
    box-shadow: 0 4px 16px rgba(252, 82, 0, 0.30);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: background var(--transition-normal);
    border-radius: inherit;
    pointer-events: none;
}

.btn-primary:hover {
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(252, 82, 0, 0.50);
}

.btn-primary:hover::before {
    background: rgba(255, 255, 255, 0.12);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-light);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.35);
    color: #ffffff !important;
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    color: var(--color-text-primary) !important;
    background: var(--color-bg-glass);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    z-index: 1000;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #00DBB6 0%, #FC5200 100%);
    border-radius: var(--radius-sm);
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.nav-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: calc(var(--navbar-height) + var(--spacing-xl)) var(--spacing-lg) var(--spacing-xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 219, 182, 0.12) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(252, 82, 0, 0.10) 0%, transparent 70%);
    top: 30%;
    right: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 224, 0, 0.08) 0%, transparent 70%);
    bottom: -100px;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(-30px, -20px) scale(1.02); }
}

.grid-lines {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 219, 182, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 219, 182, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 900px;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: rgba(255, 224, 0, 0.08);
    border: 1px solid rgba(255, 224, 0, 0.25);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out;
}

.badge-icon {
    font-size: 1.25rem;
}

.badge-text {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-accent-gold);
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.title-alpha {
    background: linear-gradient(135deg, #00DBB6 0%, #FFE000 50%, #FC5200 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
}

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

.title-bench {
    color: var(--color-text-primary);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.highlight {
    color: var(--color-primary);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border-light);
    border-radius: 12px;
    padding: 4px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    margin: 0 auto;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(20px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ========== Stats Section ========== */
.stats-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #00DBB6 0%, #FFE000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* ========== Section Styles ========== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.section-icon {
    font-size: 1.5rem;
}

/* ========== Overview Section ========== */
.overview-section {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

/* ========== Content-Figure Block (TwinMarket Style) ========== */
.content-figure-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.content-figure-block.reverse {
    direction: rtl;
}

.content-figure-block.reverse > * {
    direction: ltr;
}

.figure-side {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    overflow: hidden;
}

.figure-side.figure-wide {
    grid-column: span 1;
}

.block-image {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
}

.content-figure-block:hover .block-image {
    transform: scale(1.02);
}

.content-side {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.content-side h3 {
    font-size: 1.5rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.content-description {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.content-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.point-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.point-item:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.point-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.point-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.point-text strong {
    color: var(--color-text-primary);
    font-size: 0.95rem;
}

.point-text span {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

/* ========== Search Paradigms Grid ========== */
.search-methods-visual {
    margin-top: var(--spacing-2xl);
}

.subsection-title {
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.search-paradigms-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.paradigm-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.paradigm-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.paradigm-card.paradigm-full {
    grid-column: span 2;
    flex-direction: row;
}

.paradigm-image {
    background: var(--color-bg-tertiary);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.paradigm-full .paradigm-image {
    flex: 1;
    min-width: 50%;
}

.paradigm-image img {
    max-width: 100%;
    max-height: 250px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.paradigm-full .paradigm-image img {
    max-height: 300px;
}

.paradigm-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.paradigm-full .paradigm-content {
    flex: 1;
    justify-content: center;
}

.paradigm-content h4 {
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

.paradigm-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Responsive for Content-Figure Block */
@media (max-width: 1024px) {
    .content-figure-block {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .content-figure-block.reverse {
        direction: ltr;
    }
    
    .search-paradigms-grid {
        grid-template-columns: 1fr;
    }
    
    .paradigm-card.paradigm-full {
        grid-column: span 1;
        flex-direction: column;
    }
    
    .paradigm-full .paradigm-image {
        min-width: 100%;
    }
}

@media (max-width: 768px) {
    .content-figure-block {
        padding: var(--spacing-md);
    }
    
    .block-image {
        max-height: 250px;
    }
    
    .content-side h3 {
        font-size: 1.25rem;
    }
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.overview-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.card-icon {
    font-size: 1.5rem;
}

.card-header h3 {
    color: var(--color-text-primary);
}

.card-description {
    margin-bottom: var(--spacing-md);
}

.card-list {
    margin-bottom: var(--spacing-lg);
}

.card-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.card-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.highlight-list li::before {
    content: '✓';
    color: var(--color-accent-green);
}

.card-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(252, 82, 0, 0.08);
    border: 1px solid rgba(252, 82, 0, 0.25);
    border-radius: var(--radius-md);
}

.alert-icon {
    flex-shrink: 0;
}

.card-insight {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 219, 182, 0.08);
    border: 1px solid rgba(0, 219, 182, 0.20);
    border-radius: var(--radius-md);
}

.insight-icon {
    flex-shrink: 0;
}

/* ========== Features Section ========== */
.features-section {
    background: var(--color-bg-secondary);
}

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

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.feature-large {
    grid-column: span 2;
}

.feature-wide {
    grid-column: span 2;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 0.9rem;
}

/* ========== Framework Section ========== */
.framework-section {
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.task-card {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.task-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.task-number {
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #00DBB6 0%, #00C4A3 100%);
    color: #0A0E1A;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.75rem;
}

.task-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.task-icon {
    font-size: 1.5rem;
}

.task-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.task-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.subtasks h4,
.metrics h4,
.search-methods h4 {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.subtask-grid {
    display: grid;
    gap: var(--spacing-md);
}

.subtask-item {
    padding: var(--spacing-md);
    background: var(--color-bg-glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.subtask-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary-light);
}

.subtask-item p {
    font-size: 0.875rem;
}

.metric-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.metric-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* ========== Evaluation Visual (Task 2 SVG Animation) ========== */
.evaluation-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.eval-diagram {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.eval-diagram text {
    font-family: var(--font-heading);
}

/* Hover effects for diagram */
.evaluation-visual:hover .factor-1 {
    transform: translateX(5px);
}

.evaluation-visual:hover .llm-judge circle {
    stroke: var(--color-primary);
    filter: drop-shadow(0 0 8px rgba(0, 219, 182, 0.3));
}

/* ========== Generation Visual (Task 1 SVG Animation) ========== */
.generation-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.gen-diagram {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.gen-diagram text {
    font-family: var(--font-heading);
}

/* Hover effects for generation diagram */
.generation-visual:hover .llm-process rect {
    stroke: var(--color-primary);
    filter: drop-shadow(0 0 8px rgba(0, 219, 182, 0.3));
}

.generation-visual:hover .formula-output rect:first-child {
    stroke: var(--color-accent-green);
    filter: drop-shadow(0 0 8px rgba(0, 219, 182, 0.3));
}

.metrics-inline {
    padding: var(--spacing-md);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.metrics-inline h4 {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
    .eval-diagram,
    .gen-diagram {
        max-width: 100%;
    }
}

.key-finding {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 224, 0, 0.08);
    border: 1px solid rgba(255, 224, 0, 0.20);
    border-radius: var(--radius-md);
}

.finding-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.key-finding blockquote {
    font-style: italic;
    color: var(--color-text-primary);
}

.method-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.method-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.method-icon {
    font-size: 1.25rem;
}

.method-name {
    font-weight: 500;
    color: var(--color-text-primary);
}

/* ========== Setup Section ========== */
.setup-section {
    background: var(--color-bg-primary);
}

.setup-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.setup-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.setup-card:hover {
    transform: scale(1.02);
    border-color: var(--color-primary);
}

.setup-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.setup-card h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.setup-card ul {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.setup-card li {
    margin-bottom: 0.25rem;
}

/* ========== Findings Section ========== */
.findings-section {
    background: var(--color-bg-secondary);
}

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

.finding-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.finding-card:hover {
    transform: translateY(-4px);
}

.finding-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.finding-icon {
    font-size: 1.5rem;
}

.finding-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.finding-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.success-card {
    border-color: rgba(0, 219, 182, 0.25);
}

.success-card:hover {
    border-color: var(--color-accent-green);
    box-shadow: 0 4px 20px rgba(0, 219, 182, 0.15);
}

.success-card .finding-list li::before {
    color: var(--color-accent-green);
}

.warning-card {
    border-color: rgba(252, 82, 0, 0.25);
}

.warning-card:hover {
    border-color: var(--color-secondary);
    box-shadow: 0 4px 20px rgba(252, 82, 0, 0.15);
}

.warning-card .finding-list li::before {
    color: var(--color-secondary);
}

.insight-card {
    border-color: rgba(255, 224, 0, 0.20);
}

.insight-card:hover {
    border-color: var(--color-accent-gold);
    box-shadow: 0 4px 20px rgba(255, 224, 0, 0.12);
}

/* ========== Beyond Section ========== */
.beyond-section {
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.beyond-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.beyond-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
}

.beyond-applications {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.app-tag {
    padding: 0.5rem 1rem;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.app-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-text-primary);
}

/* ========== Scalability Section ========== */
.scalability-section {
    background: var(--color-bg-primary);
}

.scalability-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.scale-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.scale-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.scale-icon {
    font-size: 1.25rem;
}

.scalability-note {
    text-align: center;
    font-size: 1.125rem;
}

/* ========== Citation Section ========== */
.citation-section {
    background: var(--color-bg-secondary);
}

.paper-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
}

.paper-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.paper-venue {
    color: var(--color-text-muted);
}

.citation-box {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.citation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: rgba(252, 82, 0, 0.15);
    color: #FF6B20;
    border-color: rgba(252, 82, 0, 0.4);
}

.copy-btn.copied {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: white;
}

.citation-code {
    padding: var(--spacing-lg);
    margin: 0;
    overflow-x: auto;
}

.citation-code code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.citation-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* ========== Footer ========== */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.footer-text {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ========== Animation Classes ========== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .features-bento {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-large,
    .feature-wide {
        grid-column: span 1;
    }
    
    .task-content {
        grid-template-columns: 1fr;
    }
    
    .setup-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .findings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 64px;
    }
    
    .nav-links,
    .nav-buttons {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-bento {
        grid-template-columns: 1fr;
    }
    
    .setup-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-lg {
        width: 100%;
        max-width: 300px;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .beyond-applications {
        flex-direction: column;
        align-items: center;
    }
    
    .scalability-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .citation-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        text-align: left;
        gap: var(--spacing-sm);
    }
    
    .stat-icon {
        margin-bottom: 0;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
}

/* ========== Print Styles ========== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    :root {
        --color-text-primary: #0F172A;
        --color-text-secondary: #475569;
    }
    
    .navbar,
    .hero-bg,
    .scroll-indicator {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding-top: var(--spacing-xl);
    }
}

/* ========== Figures Section ========== */
.figures-section {
    background: var(--color-bg-secondary);
}

.figures-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.figure-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.figure-card.figure-full {
    grid-column: span 2;
}

.figure-image-container {
    position: relative;
    width: 100%;
    background: var(--color-bg-tertiary);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-border);
}

.figure-image {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.figure-full .figure-image {
    max-height: 500px;
}

.figure-label {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #FC5200 0%, #FF6B20 100%);
    color: white;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
}

.figure-content {
    padding: var(--spacing-lg);
}

.figure-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.figure-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.figure-description strong {
    color: var(--color-text-primary);
}

.figure-description em {
    color: var(--color-primary);
    font-style: normal;
    font-weight: 500;
}

/* Figures Section Responsive */
@media (max-width: 1024px) {
    .figures-grid {
        grid-template-columns: 1fr;
    }
    
    .figure-card.figure-full {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .figure-image-container {
        padding: var(--spacing-md);
    }
    
    .figure-image {
        max-height: 250px;
    }
}