/* AURISTRA'26 Home Page Styles */
/* Professional & Clean Design System - Optimized for Mobile & Performance */

:root {
    /* Color Palette */
    --primary-dark: #0a1628;
    --primary-medium: #0d2137;
    --primary-light: #1a3a5c;
    --accent-cyan: #00d4ff;
    --accent-cyan-light: #00f0ff;
    --accent-teal: #00b4a0;
    --text-primary: #ffffff;
    --text-secondary: #b0bec5;
    --text-muted: #78909c;
    --background-card: rgba(255, 255, 255, 0.05);
    --background-card-hover: rgba(255, 255, 255, 0.1);
    --border-color: rgba(0, 212, 255, 0.2);
    
    /* Spacing - Optimized for mobile */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 2.5rem;
    --spacing-2xl: 3rem;
    
    /* Mobile spacing overrides */
    --mobile-spacing-xs: 0.25rem;
    --mobile-spacing-sm: 0.5rem;
    --mobile-spacing-md: 1rem;
    --mobile-spacing-lg: 1.5rem;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-display: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-normal: 0.5s ease;
    --transition-slow: 0.8s ease;

    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

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

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 50%, var(--primary-light) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Pattern - Simplified for performance */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 50%, var(--primary-light) 100%);
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--accent-cyan-light);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: transform var(--transition-normal), background var(--transition-normal), box-shadow var(--transition-normal);
}

/* Header hide on scroll - moves up */
.header.hide {
    transform: translateY(-100%);
}

/* Header show on scroll - visible */
.header.show {
    transform: translateY(0);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
}

.logo-text span {
    color: var(--accent-cyan);
}

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

.nav-link {
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-cyan);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--primary-dark) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
    font-weight: 600;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--accent-cyan);
    transition: all var(--transition-fast);
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(130px + var(--spacing-lg)) var(--spacing-md) var(--spacing-md);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-cyan) 50%, var(--accent-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow:
        0 1px 0 rgba(0, 212, 255, 0.3),
        0 2px 0 rgba(0, 212, 255, 0.3),
        0 3px 0 rgba(0, 212, 255, 0.2),
        0 4px 0 rgba(0, 212, 255, 0.2),
        0 5px 0 rgba(0, 212, 255, 0.1),
        0 10px 20px rgba(0, 212, 255, 0.3);
    transform-style: preserve-3d;
    position: relative;
}

.year-white {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.hero-org {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}


/* Countdown Timer */
.countdown-wrapper {
    margin: var(--spacing-md) 0;
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-sm);
}

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

.countdown-item {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    min-width: 100px;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.countdown-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

.countdown-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.countdown-unit {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* CTA Buttons */
.hero-cta {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--primary-dark);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
    color: var(--primary-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-3px);
}

/* ==================== SECTIONS ==================== */
.section {
    padding: var(--spacing-2xl) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
    border-radius: var(--radius-full);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: var(--spacing-sm);
}

/* ==================== ABOUT SECTION ==================== */
.about {
    background: rgba(0, 0, 0, 0.2);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ==================== HIGHLIGHTS GRID ==================== */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    justify-items: stretch;
    align-items: stretch;
}

.highlight-card {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
    /* OPTIMIZED: will-change applied dynamically via JS only during hover */
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.highlight-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-lg);
}

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

.highlight-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 180, 160, 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
}

.highlight-card h3 {
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-sm);
}

.highlight-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Event Poster Styles */
.event-poster {
    width: 100%;
    height: 280px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
    position: relative;
    /* OPTIMIZED: will-change applied dynamically via JS only during hover */
}

.event-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.2s ease;
    display: block;
}

.highlight-card:hover .event-poster img {
    transform: scale(1.03);
}

.event-poster::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 70%, rgba(10, 22, 40, 0.6) 100%);
    pointer-events: none;
}

/* Ideathon Card - Clean Design */
.ideathon-card {
    padding: var(--spacing-sm);
}

.ideathon-card .event-poster {
    height: 220px;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-lg);
}

.ideathon-card h3 {
    margin-top: var(--spacing-xs);
    margin-bottom: 0;
    font-size: 1.3rem;
}

/* Rules Modal Styles */
.rules-container {
    text-align: left;
    max-height: 60vh;
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.rule-section {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.rule-section h4 {
    color: var(--accent-cyan);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.rule-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rule-section li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-sm);
    position: relative;
    line-height: 1.6;
}

.rule-section li::before {
    content: '•';
    color: var(--accent-cyan);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.rule-section strong {
    color: var(--accent-cyan-light);
    font-weight: 600;
}

.warning {
    background: rgba(255, 193, 7, 0.1);
    border-left: 3px solid #ffc107;
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: #ffc107;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Modal Improvements for Rules */
.modal-content {
    max-width: 700px !important;
    width: 90% !important;
    max-height: 80vh;
    overflow-y: auto;
}

#modal-details {
    text-align: left;
    line-height: 1.8;
}

/* Scrollbar styling for rules container */
.rules-container::-webkit-scrollbar {
    width: 6px;
}

.rules-container::-webkit-scrollbar-track {
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-sm);
}

.rules-container::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: var(--radius-sm);
}

/* ==================== HACKATHON PROMO SECTION ==================== */
.hackathon-promo {
    padding: var(--spacing-xl) var(--spacing-md);
}

.promo-card {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(0, 180, 160, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.promo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-teal), transparent);
}

.promo-content {
    flex: 1;
}

.promo-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.promo-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.promo-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 550px;
}

.promo-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.promo-visual {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.promo-icon {
    width: 140px;
    height: 220px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 180, 160, 0.1));
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.4);
    }
}

/* Responsive for Promo Section */
@media (max-width: 768px) {
    .promo-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    .promo-description {
        max-width: 100%;
    }
    
    .promo-cta {
        justify-content: center;
    }
    
    .promo-icon {
        width: 100px;
        height: 100px;
    }
    
    .promo-icon svg {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .promo-card {
        padding: var(--spacing-md);
    }
    
    .promo-icon {
        width: 80px;
        height: 80px;
    }
    
    .promo-icon svg {
        width: 40px;
        height: 40px;
    }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .event-poster {
        height: 220px;
        border: 3px solid var(--border-color);
        box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
        border-radius: var(--radius-lg);
    }
    
    .event-poster img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .ideathon-card .event-poster {
        height: 220px;
    }
    
    .ideathon-card {
        padding: var(--spacing-xs);
    }
    
    .ideathon-card h3 {
        font-size: 1.1rem;
    }
    
    /* Hero section - proper gap from header */
    .hero {
        padding: calc(80px + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
        min-height: auto;
        min-height: 100vh;
    }
    
    /* Hero badge - prevent overlap with header */
    .hero-badge {
        font-size: 0.7rem;
        padding: 6px 12px;
        margin-bottom: var(--spacing-sm);
        word-wrap: break-word;
        max-width: 90%;
        display: inline-block;
    }
}

@media (max-width: 480px) {
    .event-poster {
        height: 220px;
        border: 3px solid var(--border-color);
        box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
        border-radius: var(--radius-lg);
    }
    
    .event-poster img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .ideathon-card .event-poster {
        height: 220px;
    }
    
    /* Hero section - proper gap from header on small screens */
    .hero {
        padding: calc(70px + var(--spacing-sm)) var(--spacing-xs) var(--spacing-xs);
        min-height: auto;
        min-height: 100vh;
    }
    
    /* Hero badge - prevent overlap with header on small screens */
    .hero-badge {
        font-size: 0.65rem;
        padding: 5px 10px;
        margin-bottom: var(--spacing-xs);
        word-wrap: break-word;
        max-width: 85%;
        line-height: 1.3;
    }
}

/* ==================== WORKSHOP CARDS ==================== */
.workshops-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.workshop-card {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: transform var(--transition-normal), border-color var(--transition-normal), background var(--transition-normal);
    /* OPTIMIZED: will-change applied dynamically via JS only during hover */
}

.workshop-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-cyan);
    background: var(--background-card-hover);
}

.workshop-date {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.workshop-card h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.workshop-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ==================== SPONSORS SECTION ==================== */
.sponsors {
    text-align: center;
}

.sponsors-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.sponsor-logo {
    width: 120px;
    height: 80px;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-normal), transform var(--transition-normal), border-color var(--transition-normal);
    opacity: 0.6;
    /* OPTIMIZED: will-change applied dynamically via JS only during hover */
}

.sponsor-logo:hover {
    opacity: 1;
    transform: scale(1.02);
    border-color: var(--accent-cyan);
}

/* ==================== FOOTER ==================== */
.footer {
    background: rgba(0, 0, 0, 0.4);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-md);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
    color: var(--text-muted);
    font-size: 0.95rem;
    display: block;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    max-width: 1200px;
    margin: var(--spacing-md) auto 0;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

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

.social-link:hover {
    background: var(--accent-cyan);
    color: var(--primary-dark);
    border-color: var(--accent-cyan);
}

/* ==================== FOOTER MAPS SECTION ==================== */
.maps-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    margin-top: var(--spacing-sm);
}

.maps-link:hover {
    background: var(--accent-cyan);
    color: var(--primary-dark);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.maps-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.zoom-in {
    animation: zoomIn 0.8s ease-out;
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

.parallax-float {
    animation: parallax-float 4s ease-in-out infinite;
}

/* OPTIMIZED: Disable parallax on mobile */
@media (max-width: 768px) {
    .parallax-float {
        animation: none;
    }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-xs);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hackathon-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hackathon-stats {
        justify-content: center;
    }
}

/* ==================== FORM MOBILE OPTIMIZATIONS ==================== */
@media (max-width: 768px) {
    /* Improve form touch targets */
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 16px; /* Prevents zoom on iOS */
        min-height: 48px;
    }
    
    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }
    
    /* Better checkbox stacking */
    .checkbox-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .checkbox-item {
        flex: none;
        min-width: 100%;
        padding: 12px 14px;
        min-height: 48px;
    }
    
    .checkbox-item input[type="checkbox"] {
        width: 22px;
        height: 22px;
    }
    
    .checkbox-item label {
        font-size: 0.95rem;
    }
    
    /* Better button touch targets */
    .btn {
        min-height: 48px;
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    /* Improve modal mobile */
    .modal-content {
        width: 95% !important;
        margin: 10% auto !important;
        padding: 20px !important;
    }
}

/* ==================== ENHANCED MOBILE OPTIMIZATIONS ==================== */
@media (max-width: 768px) {
    /* Reduce body horizontal overflow */
    body {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    /* Hero section - proper gap from header */
    .hero {
        padding: calc(80px + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
        min-height: auto;
        min-height: 100vh;
        margin-bottom: 0;
    }
    
    /* Hero badge - prevent overlap */
    .hero-badge {
        font-size: 0.7rem;
        padding: 6px 12px;
        margin-bottom: var(--spacing-sm);
        word-wrap: break-word;
        max-width: 90%;
        display: inline-block;
    }
    
    /* Reduce gap between sections */
    .section {
        padding: var(--spacing-lg) var(--spacing-xs);
    }
    
    /* Reduce hero content spacing */
    .hero-content {
        padding: 0;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 4px 10px;
        margin-bottom: var(--spacing-xs);
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .hero-org {
        font-size: 0.85rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .countdown-item {
        min-width: 70px;
        padding: var(--spacing-sm);
    }
    
    .countdown-value {
        font-size: 1.8rem;
    }
    
    .section {
        padding: var(--spacing-sm) var(--spacing-xs);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-xs);
    }
    
    .workshops-grid {
        grid-template-columns: 1fr;
    }
    
    .promo-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    .promo-description {
        max-width: 100%;
    }
    
    .promo-cta {
        justify-content: center;
    }
    
    .promo-icon {
        width: 100px;
        height: 100px;
    }
    
    .promo-icon svg {
        width: 50px;
        height: 50px;
    }
    
    .hackathon-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat {
        padding: var(--spacing-sm);
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .hackathon-card {
        padding: var(--spacing-md);
    }
    
    .event-poster {
        height: 240px;
    }
    
    .ideathon-card .event-poster {
        height: 240px;
    }
    
    .ideathon-card {
        padding: var(--spacing-sm);
    }
    
    .ideathon-card h3 {
        font-size: 1.2rem;
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline::before {
        left: 4px;
    }
    
    .timeline-item::before {
        left: -20px;
        width: 10px;
        height: 10px;
    }
    
    .timeline-item.highlight-item::before {
        left: -21px;
        width: 12px;
        height: 12px;
    }
    
    .timeline-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }
    
    .event-icon {
        width: 100%;
        height: 40px;
    }
    
    .timeline-time {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .timeline-time .time {
        font-size: 0.95rem;
    }
    
    .timeline-time .duration {
        font-size: 0.75rem;
    }
    
    .event-details h4 {
        font-size: 1rem;
    }
    
    .schedule-day-card {
        padding: var(--spacing-md);
    }
    
    .day-badge {
        font-size: 0.75rem;
        padding: 4px 12px;
    }
    
    .schedule-day-header h3 {
        font-size: 1.3rem;
    }
    
    .venue-info {
        font-size: 0.85rem;
    }
    
    .event-toggle {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .event-toggle .btn {
        width: 100%;
        max-width: 100%;
    }
    
    .registration-card {
        padding: var(--spacing-md);
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 14px;
    }
    
    .checkbox-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .checkbox-item {
        min-width: 100%;
    }
    
    .fees-info,
    .event-info,
    .upload-section {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        width: 95% !important;
        margin: 30% auto !important;
        padding: var(--spacing-md) !important;
    }
    
    .prize-card {
        padding: var(--spacing-md);
    }
    
    .prize-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .prize-amount {
        font-size: 1.8rem;
    }
    
    .total-pool {
        padding: var(--spacing-md);
    }
    
    .total-amount {
        font-size: 2rem;
    }
    
    .venue-card {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
    }
    
    .facility-card {
        padding: var(--spacing-md);
    }
    
    .facility-icon {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }
    
    .amenity-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .countdown-label {
        font-size: 0.8rem;
        letter-spacing: 1px;
    }
    
    .countdown {
        gap: var(--spacing-xs);
    }
    
    .countdown-item {
        min-width: 60px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .countdown-value {
        font-size: 1.5rem;
    }
    
    .countdown-unit {
        font-size: 0.7rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 0.75rem;
        --spacing-xl: 1rem;
    }
    
    /* Further reduce hero for small screens - proper gap from header */
    .hero {
        padding: calc(70px + var(--spacing-sm)) var(--spacing-xs) var(--spacing-xs);
        min-height: auto;
    }
    
    /* Hero badge - prevent overlap on small screens */
    .hero-badge {
        font-size: 0.65rem;
        padding: 5px 10px;
        margin-bottom: var(--spacing-xs);
        word-wrap: break-word;
        max-width: 85%;
        line-height: 1.3;
    }
    
    /* Reduce section padding further */
    .section {
        padding: var(--spacing-md) var(--spacing-xs);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-org {
        font-size: 0.9rem;
    }
    
    .countdown {
        gap: var(--spacing-xs);
    }
    
    .countdown-item {
        min-width: 55px;
        padding: var(--spacing-xs);
    }
    
    .countdown-value {
        font-size: 1.3rem;
    }
    
    .countdown-unit {
        font-size: 0.65rem;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .section-subtitle {
        font-size: 0.85rem;
    }
    
    .btn {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .promo-card {
        padding: var(--spacing-sm);
    }
    
    .promo-icon {
        width: 70px;
        height: 70px;
    }
    
    .promo-icon svg {
        width: 35px;
        height: 35px;
    }
    
    .hackathon-stats {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .stat {
        padding: var(--spacing-xs);
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .hackathon-card {
        padding: var(--spacing-sm);
    }
    
    .event-poster {
        height: 220px;
        border-width: 2px;
    }
    
    .ideathon-card .event-poster {
        height: 220px;
    }
    
    .timeline {
        padding-left: 15px;
    }
    
    .timeline::before {
        left: 2px;
    }
    
    .timeline-item::before {
        left: -17px;
        width: 8px;
        height: 8px;
    }
    
    .timeline-item.highlight-item::before {
        left: -18px;
        width: 10px;
        height: 10px;
    }
    
    .timeline-content {
        padding: var(--spacing-xs);
    }
    
    .timeline-time .time {
        font-size: 0.85rem;
        padding: 3px 8px;
    }
    
    .event-details h4 {
        font-size: 0.9rem;
    }
    
    .event-details p {
        font-size: 0.8rem;
    }
    
    .event-venue {
        font-size: 0.7rem;
        padding: 2px 6px;
    }
    
    .schedule-day-card {
        padding: var(--spacing-sm);
    }
    
    .day-badge {
        font-size: 0.7rem;
        padding: 3px 10px;
    }
    
    .schedule-day-header h3 {
        font-size: 1.1rem;
    }
    
    .event-toggle {
        gap: var(--spacing-xs);
    }
    
    .registration-card {
        padding: var(--spacing-sm);
    }
    
    .form-group {
        margin-bottom: 12px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .fees-info h3,
    .event-info h3,
    .upload-section h4 {
        font-size: 1rem;
    }
    
    .modal-content {
        width: 92% !important;
        margin: 40% auto !important;
        padding: var(--spacing-sm) !important;
    }
    
    #modal-title {
        font-size: 1.2rem !important;
    }
    
    .prize-card {
        padding: var(--spacing-sm);
    }
    
    .prize-icon {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }
    
    .prize-amount {
        font-size: 1.5rem;
    }
    
    .prize-position {
        font-size: 1.1rem;
    }
    
    .total-pool {
        padding: var(--spacing-sm);
    }
    
    .total-amount {
        font-size: 1.75rem;
    }
    
    .venue-card {
        padding: var(--spacing-sm);
    }
    
    .venue-card .hackathon-info h3 {
        font-size: 1.1rem;
    }
    
    .facility-card {
        padding: var(--spacing-sm);
    }
    
    .facility-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .facility-title {
        font-size: 1rem;
    }
    
    .facility-desc {
        font-size: 0.85rem;
    }
    
    .highlight-icon {
        width: 50px;
        height: 50px;
    }
    
    .highlight-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .highlight-card h3 {
        font-size: 1.1rem;
    }
    
    .highlight-card p {
        font-size: 0.85rem;
    }
    
    .workshop-card {
        padding: var(--spacing-sm);
    }
    
    .workshop-date {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
    
    .workshop-card h4 {
        font-size: 1rem;
    }
    
    .workshop-card p {
        font-size: 0.85rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }

/* ==================== TALOS 5.0 STYLE ENHANCEMENTS ==================== */

/* Enhanced Glow Effects */
.glow-cyan {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 212, 255, 0.1);
}

.glow-text-cyan {
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5), 0 0 20px rgba(0, 212, 255, 0.3);
}

/* Enhanced Card Hover with Scale */
.card-hover-scale {
    transition: all var(--transition-normal);
}

.card-hover-scale:hover {
    transform: translateY(-10px) scale(1.02);
}

/* Button Ripple Effect */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn-ripple:active::after {
    width: 200px;
    height: 220px;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Gradient Border Button */
.btn-gradient-border {
    background: var(--background-card);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.btn-gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* Slide In Animation */
.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Zoom In Animation */
.zoom-in {
    animation: zoomIn 0.8s ease-out;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slide Up Animation */
.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger Animation Delays - OPTIMIZED: Reduced delays */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }

/* Enhanced Scroll Reveal Animation - OPTIMIZED: Faster, simpler */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
    will-change: auto;
}

/* Staggered Animation Classes - OPTIMIZED: Reduced delays */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }
.stagger-7 { animation-delay: 0.35s; }
.stagger-8 { animation-delay: 0.4s; }

/* Focus Ring Effect */
.focus-ring {
    transition: all var(--transition-normal);
}

.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.3);
}

/* ==================== HACKATHON DETAILS SECTION ==================== */
.hackathon-card {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 180, 160, 0.03) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 1000px;
    width: 100%;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* Animated gradient border */
.hackathon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal), var(--accent-cyan-light), var(--accent-cyan));
    background-size: 300% 100%;
    animation: gradient-border 3s ease infinite;
}

@keyframes gradient-border {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Corner accents */
.hackathon-card::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 60px;
    height: 60px;
    border-top: 2px solid var(--accent-cyan);
    border-right: 2px solid var(--accent-cyan);
    border-radius: 0 var(--radius-lg) 0 0;
    opacity: 0.3;
}

.hackathon-info {
    position: relative;
    z-index: 1;
}

.hackathon-info h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.hackathon-info h3::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-cyan);
    animation: pulse 2s ease-in-out infinite;
}

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

.hackathon-info p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.hackathon-info p strong {
    color: var(--accent-cyan-light);
}

/* Stats Grid */
.hackathon-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--background-card);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.stat:hover {
    transform: translateY(-5px);
    border-color: var(--border-color);
    background: var(--background-card-hover);
}

.stat:hover::before {
    transform: scaleX(1);
}

.stat-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-cyan);
    line-height: 1.2;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* CTA Section */
.hackathon-cta {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

/* Responsive - Mobile Optimizations */
@media (max-width: 768px) {
    .hackathon-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--mobile-spacing-sm);
    }
    
    .hackathon-card {
        padding: var(--mobile-spacing-md);
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    /* Reduce motion for better performance */
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    /* Re-enable essential transitions */
    .btn, .nav-link, .event-card, .competition-card {
        transition-duration: 0.2s !important;
    }
}

@media (max-width: 480px) {
    .hackathon-card {
        padding: var(--mobile-spacing-sm);
    }
    
    .hackathon-stats {
        grid-template-columns: 1fr 1fr;
        gap: var(--mobile-spacing-xs);
    }
    
    .stat {
        padding: var(--mobile-spacing-sm);
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Optimize text sizes for small screens */
    h1 { font-size: clamp(1.8rem, 6vw, 2.5rem); }
    h2 { font-size: clamp(1.4rem, 5vw, 2rem); }
    h3 { font-size: clamp(1.1rem, 4vw, 1.3rem); }
    
    p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
}

/* Performance: Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Magnetic Button Effect */
.magnetic {
    transition: transform var(--transition-normal);
}

/* ==================== ANNOUNCEMENT BAR ==================== */
.announcement-bar {
    background: linear-gradient(135deg, #7b1fa2 0%, #9c27b0 50%, #ba68c8 100%);
    border-bottom: 1px solid rgba(156, 39, 176, 0.5);
    padding: 12px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.announcement-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #9c27b0, #7b1fa2, #00d4ff);
    background-size: 300% 100%;
    animation: gradient-border 3s ease infinite;
}

@keyframes gradient-border {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.announcement-content {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: nowrap;
    gap: 30px;
    max-width: 100%;
    margin: 0 auto;
    animation: scroll-left 10s linear infinite;
    width: max-content;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: #00d4ff transparent;
    -webkit-overflow-scrolling: touch;
    padding: 0 20px;
}

.announcement-content::-webkit-scrollbar {
    height: 4px;
}

.announcement-content::-webkit-scrollbar-track {
    background: transparent;
}

.announcement-content::-webkit-scrollbar-thumb {
    background: #00d4ff;
    border-radius: 2px;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.announcement-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.announcement-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.announcement-date {
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.6);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
    letter-spacing: 0.5px;
}

.announcement-item.highlight .announcement-date {
    color: #ffffff;
    background: rgba(0, 212, 255, 0.5);
    border-color: #00d4ff;
    text-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
}

.announcement-divider {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* Pause animation on hover for better readability */
.announcement-bar:hover .announcement-content {
    animation-play-state: paused;
}

/* Enable horizontal scrolling on all devices */
.announcement-bar .announcement-content {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

/* Responsive for Announcement Bar */
@media (max-width: 992px) {
    .announcement-content {
        gap: 20px;
    }
    
    .announcement-item {
        font-size: 0.85rem;
    }
    
    .announcement-divider {
        display: block;
    }
}

@media (max-width: 768px) {
    .announcement-bar {
        padding: 10px 15px;
    }
    
    /* Keep horizontal scroll on mobile */
    .announcement-content {
        flex-direction: row;
        justify-content: flex-start;
        gap: 20px;
        padding: 0 15px;
    }
    
    .announcement-item {
        font-size: 0.85rem;
        flex-shrink: 0;
    }
    
    .announcement-date {
        font-size: 0.95rem;
        padding: 5px 14px;
    }
}

/* ==================== IMPORTANT DATES SECTION ==================== */
.important-dates-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(0, 180, 160, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.important-dates-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
}

.important-dates-section h3 {
    color: var(--accent-cyan);
    margin-bottom: 20px;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.important-dates-section h3::before {
    content: '📅';
    font-size: 1.2rem;
}

.dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.date-item {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    transition: all var(--transition-normal);
}

.date-item:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.15);
}

.date-item.highlight {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 180, 160, 0.08) 100%);
    border-color: var(--accent-cyan);
}

.date-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.date-value {
    font-size: 1rem;
    color: var(--accent-cyan);
    font-weight: 600;
}

.date-item.highlight .date-value {
    color: var(--accent-cyan-light);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

@media (max-width: 768px) {
    .important-dates-section {
        padding: 20px 15px;
    }
    
    .dates-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: 12px;
        padding-bottom: 10px;
        scrollbar-width: thin;
        scrollbar-color: var(--accent-cyan) var(--background-card);
    }
    
    .dates-grid::-webkit-scrollbar {
        height: 6px;
    }
    
    .dates-grid::-webkit-scrollbar-track {
        background: var(--background-card);
        border-radius: 3px;
    }
    
    .dates-grid::-webkit-scrollbar-thumb {
        background: var(--accent-cyan);
        border-radius: 3px;
    }
    
    .date-item {
        flex: 0 0 auto;
        min-width: 160px;
        scroll-snap-align: start;
        padding: 12px;
    }
}