/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-secondary: #8b5cf6;
    --color-accent: #ec4899;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    
    /* Neutral Colors */
    --color-bg-primary: #0f0f1e;
    --color-bg-secondary: #1a1a2e;
    --color-bg-tertiary: #252542;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Orbitron', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 8px;
    border: 2px solid var(--color-primary);
    font-weight: 600;
    z-index: 2000;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    width: auto;
    height: auto;
}

/* Japanese and Korean font support */
html[lang="ja"] body {
    font-family: 'Noto Sans JP', var(--font-primary);
}

html[lang="ko"] body {
    font-family: 'Noto Sans KR', var(--font-primary);
}

/* ===========================
   Utility Classes
   =========================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 30, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-medium);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-year {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-menu a:hover::after {
    width: 100%;
}

.btn-apply-nav {
    padding: 0.5rem 1.5rem !important;
    background: var(--gradient-primary);
    border-radius: 50px;
    color: white !important;
    font-weight: 600;
}

.btn-apply-nav::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, transparent 70%);
    top: 100px;
    right: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.4) 0%, transparent 70%);
    bottom: -100px;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-icon {
    font-size: 1rem;
    color: var(--color-primary);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.title-line {
    display: block;
}

.title-year {
    font-size: 3rem;
    color: var(--color-text-secondary);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    font-size: 0.9rem;
}

.meta-icon {
    font-size: 1rem;
    color: var(--color-primary);
}

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

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition-medium);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    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;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--color-primary));
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

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

.concept-content {
    max-width: 900px;
    margin: 0 auto;
}

.concept-main {
    margin-bottom: var(--spacing-lg);
}

.lead-text {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.concept-main p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.concept-tracks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.track-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.track-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-medium);
}

.track-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: var(--shadow-glow);
}

.track-card:hover::before {
    transform: scaleX(1);
}

.track-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.track-icon i {
    display: block;
}

.track-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.track-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.track-meta {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50px;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
}

/* ===========================
   Details Section
   =========================== */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.detail-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
}

.detail-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

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

.detail-icon i {
    display: block;
}

.detail-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.detail-primary {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.detail-secondary {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

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

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

.keynote-header .section-badge {
    margin-bottom: var(--spacing-sm);
}

.keynote-header .section-title {
    font-size: 2.5rem;
    margin-bottom: 0;
}

.keynote-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    align-items: stretch;
}

.speaker-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.keynote-image {
    position: relative;
    width: 100%;
}

.placeholder-photo {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.35), rgba(236, 72, 153, 0.35));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed rgba(255, 255, 255, 0.4);
    padding: var(--spacing-md);
}

.photo-placeholder {
    text-align: center;
    color: var(--color-text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-weight: 600;
}

.photo-placeholder i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.7);
}

.speaker-card .keynote-image {
    margin-bottom: 0;
}

.speaker-photo {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 20px;
    border: 3px solid rgba(99, 102, 241, 0.3);
    transition: var(--transition-medium);
}

.speaker-photo:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.02);
}

.keynote-info {
    text-align: left;
}

.speaker-details h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.speaker-title {
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.speaker-bio {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.photo-note {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.keynote-topic {
    background: rgba(99, 102, 241, 0.1);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-md);
}

.keynote-topic h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.keynote-topic p {
    font-size: 1.1rem;
    font-weight: 600;
}

.topic-note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-left: 0.5rem;
}

/* ===========================
   Structure Section
   =========================== */
.structure-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-card {
    text-align: center;
    padding: var(--spacing-md);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 1rem;
    font-weight: 600;
}

.stat-divider {
    font-size: 3rem;
    color: var(--color-primary);
    font-weight: 300;
}

.team-composition {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-lg);
}

.team-composition h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.team-composition > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.composition-visual {
    margin-top: var(--spacing-md);
}

.member-group {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.member-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition-medium);
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid rgba(99, 102, 241, 0.3);
    color: var(--color-primary);
}

.member-icon.japan {
    background: rgba(220, 38, 38, 0.1);
    border-color: rgba(220, 38, 38, 0.3);
    color: #dc2626;
}

.member-icon.korea {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #3b82f6;
}

.member-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.member-icon.japan:hover {
    border-color: #dc2626;
}

.member-icon.korea:hover {
    border-color: #3b82f6;
}

.plus-sign {
    font-size: 2rem;
    color: var(--color-primary);
    font-weight: 300;
    margin: 0 var(--spacing-sm);
}

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

.selection-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.criteria-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
    position: relative;
}

.criteria-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: 20px;
    transition: var(--transition-medium);
    z-index: -1;
}

.criteria-card:hover::before {
    opacity: 0.05;
}

.criteria-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.5);
}

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

.criteria-icon i {
    display: block;
}

.criteria-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.criteria-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

.organizers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-lg);
}

.organizer-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.organizer-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: var(--shadow-glow);
}

.organizer-header {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.organizer-photo-container {
    flex-shrink: 0;
}

.organizer-photo-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.4);
    border: 3px solid rgba(99, 102, 241, 0.3);
    transition: var(--transition-medium);
}

.organizer-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(99, 102, 241, 0.3);
    transition: var(--transition-medium);
}

.organizer-card:hover .organizer-photo-placeholder,
.organizer-card:hover .organizer-photo {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

.organizer-title {
    flex: 1;
}

.organizer-info {
    width: 100%;
}

.country-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50px;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.organizer-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.organizer-person {
    margin-top: var(--spacing-md);
}

.organizer-person h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.person-title {
    color: var(--color-text-secondary);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.person-bio {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.language-switcher a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.language-switcher a.active {
    color: var(--color-primary);
    font-weight: 600;
}

.language-switcher a:hover {
    color: var(--color-text-primary);
}

/* ===========================
   Awards Section
   =========================== */
.judging-criteria {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.judging-criteria h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

.criteria-tag {
    padding: 0.75rem 1.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.criteria-tag:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--color-primary);
}

.judging-detail {
    margin-top: var(--spacing-md);
    text-align: left;
}

.judging-detail p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.award-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-medium);
}

.award-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: var(--shadow-glow);
}

.award-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.award-icon i {
    display: block;
}

.grand-prize .award-icon {
    color: #fbbf24;
}

.award-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.award-amount {
    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;
    margin: var(--spacing-md) 0;
}

.award-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.award-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 50px;
    color: #fbbf24;
    font-size: 0.875rem;
    font-weight: 600;
    margin: var(--spacing-sm) 0;
}

.grand-prize {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border: 2px solid rgba(99, 102, 241, 0.3);
}

.grand-prize .award-icon {
    font-size: 4rem;
    animation: trophyGlow 2s ease-in-out infinite;
}

@keyframes trophyGlow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(251, 191, 36, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(251, 191, 36, 0.8));
    }
}

.grand-prize h3 {
    font-size: 1.75rem;
}

/* ===========================
   Apply Section
   =========================== */
.apply-section {
    background: var(--gradient-dark);
    padding: var(--spacing-xl) 0;
}

.apply-content {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.apply-header h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.apply-header p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.apply-card {
    background: rgba(15, 15, 30, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.apply-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.btn-apply-external {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    box-shadow: var(--shadow-glow);
}

.apply-note {
    margin-top: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    max-width: 400px;
}

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

.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .keynote-content {
        grid-template-columns: 1fr;
    }
    
    .keynote-image {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 1024px) {
    .organizers-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .title-year {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-meta {
        flex-direction: column;
        align-items: center;
    }
    
    .structure-stats {
        flex-direction: column;
    }
    
    .stat-divider {
        transform: rotate(90deg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-info {
        grid-template-columns: 1fr;
    }
    
    .apply-header h2 {
        font-size: 2rem;
    }
    
    .apply-header p {
        font-size: 1rem;
    }
    
    .apply-card {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }

    .stat-number {
        font-size: 3.5rem;
    }
    
    .member-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}