/* ============================================
   AI Fluency for All Hackathon — Design System
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors */
    --bg-primary: #06060e;
    --bg-secondary: #0c0c1d;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    --text-primary: #f0f0f5;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-blue: #3b82f6;
    --accent-violet: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;

    --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
    --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #0c0a1f 30%, #06060e 60%, #0a1628 100%);
    --gradient-card: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.05));
    --gradient-gold: linear-gradient(135deg, #f59e0b, #d97706);
    --gradient-silver: linear-gradient(135deg, #9ca3af, #6b7280);
    --gradient-bronze: linear-gradient(135deg, #a78bfa, #7c3aed);

    /* Spacing */
    --section-padding: 120px 0;
    --container-width: 1200px;
    --container-padding: 0 24px;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    /* Borders & Shadows */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.15);
    --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.3);

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Utility */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

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

.section {
    padding: var(--section-padding);
    position: relative;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
    backdrop-filter: blur(0px);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(6, 6, 14, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-icon {
    font-size: 1.4rem;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta-btn {
    padding: 10px 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    transition: all var(--transition-base);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-bottom: 80px;
    padding-top: 80px;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-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: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3), transparent 70%);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.25), transparent 70%);
    bottom: -10%;
    left: -5%;
    animation-delay: -7s;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent 70%);
    top: 40%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(139, 92, 246, 0.5);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-emerald);
    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(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.title-line {
    display: block;
}

.title-line:first-child {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.title-gradient {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-top: 8px;
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.5s both;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 500;
}

.meta-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.6s both;
    margin-bottom: 24px;
}

/* Hero Prize Preview */
.hero-prizes-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 16px 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out 0.7s both;
    margin-bottom: 16px;
}

.hero-prize-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero-prize-amount {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-prize-item:nth-child(3) .hero-prize-amount {
    background: var(--gradient-silver);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-prize-item:nth-child(5) .hero-prize-amount {
    background: var(--gradient-bronze);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-prize-item:nth-child(7) .hero-prize-amount {
    font-size: 1.4rem;
    -webkit-text-fill-color: initial;
    background: none;
}

.hero-prize-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-prize-divider {
    width: 1px;
    height: 36px;
    background: var(--border-glass);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.05rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
    animation: fadeInUp 0.8s ease-out 1s both;
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--border-glass);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-dot {
    width: 3px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ============================================
   Stats Bar
   ============================================ */
.stats-bar {
    padding: 48px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    padding: 16px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 500;
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 64px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.about-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.about-card:hover::before {
    opacity: 1;
}

.about-card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Inclusion Section */
.inclusion-section {
    text-align: center;
}

.inclusion-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.inclusion-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pillar-card {
    padding: 32px 24px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.03));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.pillar-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.pillar-card h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

/* ============================================
   Prizes Section
   ============================================ */
.prizes {
    background: var(--bg-secondary);
}

.prizes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.prize-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.prize-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.prize-gold::before {
    background: var(--gradient-gold);
}

.prize-silver::before {
    background: var(--gradient-silver);
}

.prize-bronze::before {
    background: var(--gradient-bronze);
}

.prize-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
    border-color: var(--border-hover);
}

.prize-ribbon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.prize-tier {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.prize-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.prize-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.prize-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Prize Amount */
.prize-amount {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 8px;
}

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

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

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

/* Total Prize Pool */
.prizes-total {
    text-align: center;
    margin-bottom: 48px;
}

.prizes-total-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.prizes-total-amount {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.prizes-plus {
    font-size: 2.5rem;
}

/* Bonus Prizes */
.bonus-prizes {
    margin-top: 64px;
    text-align: center;
}

.bonus-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
}

.bonus-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.bonus-item {
    padding: 28px 20px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(139, 92, 246, 0.04));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.bonus-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.bonus-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.bonus-item h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.bonus-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* ============================================
   Venue Section
   ============================================ */
.venue {
    background: var(--bg-primary);
}

.venue-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}

.venue-card-large {
    grid-column: 1 / -1;
}

.venue-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.venue-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 16 / 9;
}

.venue-card-large .venue-image-wrapper {
    aspect-ratio: 21 / 9;
}

.venue-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.venue-card:hover .venue-image {
    transform: scale(1.05);
}

.venue-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 6, 14, 0.85) 0%, rgba(6, 6, 14, 0.2) 40%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
    transition: background var(--transition-base);
}

.venue-card:hover .venue-overlay {
    background: linear-gradient(to top, rgba(6, 6, 14, 0.95) 0%, rgba(6, 6, 14, 0.4) 50%, rgba(6, 6, 14, 0.1) 100%);
}

.venue-overlay h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    transform: translateY(0);
    transition: transform var(--transition-base);
}

.venue-overlay p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    max-width: 500px;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.venue-card:hover .venue-overlay p {
    opacity: 1;
    transform: translateY(0);
}

.venue-card:hover .venue-overlay h3 {
    transform: translateY(-4px);
}

/* ============================================
   Judges Section
   ============================================ */
.judges {
    background: var(--bg-secondary);
}

.judges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.judge-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    text-align: center;
}

.judge-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.judge-image-wrapper {
    padding: 32px;
    padding-bottom: 16px;
}

.judge-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.1));
    border: 2px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--text-muted);
    transition: all var(--transition-base);
}

.judge-card:hover .judge-placeholder {
    border-color: var(--accent-violet);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.15));
}

.judge-info {
    padding: 0 24px 32px;
}

.judge-info h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.judge-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 12px;
}

.judge-bio {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.judges-note {
    text-align: center;
    margin-top: 40px;
    padding: 16px 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    display: inline-block;
    font-size: 0.95rem;
    color: var(--text-secondary);
    width: 100%;
}

/* ============================================
   Workshops Section
   ============================================ */
.workshops {
    background: var(--bg-primary);
}

.workshop-notice {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.02));
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 48px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.notice-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.workshop-notice strong {
    color: var(--accent-amber);
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 60px;
}

.timeline-line {
    position: absolute;
    left: 28px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-blue), var(--accent-violet), var(--accent-cyan));
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -38px;
    top: 24px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent-blue);
    z-index: 2;
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-dot {
    background: var(--accent-blue);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
}

.timeline-dot-finale {
    width: 20px;
    height: 20px;
    left: -40px;
    top: 22px;
    border-color: var(--accent-emerald);
    background: var(--accent-emerald);
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.5);
}

.timeline-content {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.timeline-finale .timeline-content {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(6, 182, 212, 0.05));
    border-color: rgba(16, 185, 129, 0.2);
}

.timeline-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
    padding: 8px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.timeline-date-finale {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(6, 182, 212, 0.1));
    border-color: rgba(16, 185, 129, 0.3);
}

.date-month {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-blue);
}

.timeline-date-finale .date-month {
    color: var(--accent-emerald);
}

.date-day {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.timeline-details h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: var(--bg-glass);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.platform-badge {
    color: var(--accent-cyan);
}

.timeline-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ============================================
   Sponsors Section
   ============================================ */
.sponsors {
    background: var(--bg-secondary);
}

.sponsors-showcase {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.sponsor-tier {
    text-align: center;
}

.tier-label {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.sponsor-logos {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.sponsor-logo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    min-width: 200px;
}

.sponsor-logo-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    background: var(--bg-card-hover);
}

.sponsor-logo-title {
    padding: 40px 64px;
    min-width: 300px;
}

.sponsor-svg {
    width: 180px;
    height: 50px;
    color: var(--text-primary);
    transition: color var(--transition-base);
}

.sponsor-logo-title .sponsor-svg {
    width: 220px;
    height: 60px;
}

.sponsor-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-blue);
}

/* ============================================
   Register CTA Section
   ============================================ */
.register {
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

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

.register-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
}

.register-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.25), transparent 70%);
    top: -200px;
    right: -100px;
}

.register-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent 70%);
    bottom: -200px;
    left: -100px;
}

.register-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.register-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.register-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 48px;
}

.register-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
    text-align: left;
}

.register-step {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.step-number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.95rem;
    color: white;
}

.register-step h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.register-step p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.register-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: 64px 0 32px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-top: 16px;
    max-width: 300px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 6px 0;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border-glass);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

/* ============================================
   Scroll Animations
   ============================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

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

    .judges-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .venue-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

    .venue-card-large {
        grid-column: 1 / -1;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(6, 6, 14, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        z-index: 999;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links .nav-link {
        font-size: 1.2rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .hero-meta {
        flex-direction: column;
        gap: 16px;
    }

    .meta-divider {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-prizes-preview {
        flex-wrap: wrap;
        gap: 12px;
        padding: 12px 20px;
    }

    .hero-prize-amount {
        font-size: 1.3rem;
    }

    .hero-prize-divider {
        height: 28px;
    }

    .bonus-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .prizes-total-amount {
        font-size: 3rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .pillars-grid {
        grid-template-columns: 1fr;
    }

    .prizes-grid {
        grid-template-columns: 1fr;
    }

    .venue-gallery {
        grid-template-columns: 1fr;
    }

    .judges-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: 50px;
    }

    .timeline-content {
        flex-direction: column;
        gap: 16px;
    }

    .timeline-date {
        flex-direction: row;
        gap: 8px;
        min-width: auto;
        width: fit-content;
    }

    .register-steps {
        grid-template-columns: 1fr;
    }

    .register-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sponsor-logo-card {
        min-width: unset;
        flex: 1;
        padding: 24px 32px;
    }

    .sponsor-logo-title {
        min-width: unset;
        padding: 32px 48px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-content {
        padding: 0 16px;
    }

    .title-line:first-child,
    .title-gradient {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .hero-prizes-preview {
        gap: 8px;
        padding: 10px 14px;
    }

    .hero-prize-amount {
        font-size: 1.1rem;
    }

    .hero-prize-divider {
        height: 24px;
    }

    .hero-prize-label {
        font-size: 0.6rem;
    }

    .bonus-grid {
        grid-template-columns: 1fr 1fr;
    }

    .prizes-total-amount {
        font-size: 2.5rem;
    }

    .prize-amount {
        font-size: 2.2rem;
    }
}