:root {
    --primary-color: #0033cc;
    --secondary-color: #d4af37;
    --accent-color: #39ff14;
    --bg-dark: #1c1c1c;
    --bg-light: #ffffff;
    --text-light: #ffffff;
    --text-dark: #1c1c1c;
    --gray-light: #f8f9fa;
    --gray-medium: #6c757d;
    --gray-dark: #343a40;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--bg-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hide {
    opacity: 0;
    visibility: hidden;
}

.loader-container {
    text-align: center;
}

.code-loader {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.typing-text {
    font-family: 'Fira Code', monospace;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.cursor {
    animation: blink 1s infinite;
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-color);
    width: 0;
    animation: progress 3s ease-in-out infinite;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(28, 28, 28, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(28, 28, 28, 0.98);
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

.cta-button {
    background: var(--accent-color);
    color: var(--text-dark) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.cta-button:hover {
    background: #2ecc40;
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--bg-dark)); /* Fallback gradient */
    overflow: hidden;
}

/* Background image with transparency using ::before */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://example.com/your-background-image.jpg'); /* Replace with your image URL */
    background-size: cover;
    background-position: center;
    opacity: 0.3; /* Adjust transparency (0.0 to 1.0) */
    z-index: 0; /* Behind particles.js and content */
}

/* Particles.js container */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; /* Above background image, below content */
}

/* Hero content */
.hero-content {
    position: relative;
    z-index: 2; /* Above particles.js */
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

/* Hero title */
.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Typed text and cursor */
.typed-text {
    color: var(--accent-color);
}

.cursor-blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* Hero subtitle */
.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.5s;
}

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

/* Hero buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.7s;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--text-dark);
}

.btn-primary:hover {
    background: #2ecc40;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--text-dark);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-light);
}

.btn-full {
    width: 100%;
}

.pulse-btn {
    animation: none;
}

.animate-pulse {
    animation: none;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
    transform: rotate(45deg);
    margin: 0 auto 0.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Hero stats */
.hero-stats {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    gap: 2rem;
    z-index: 2;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}
/* Section Styles */
.section {
    padding: 5rem 0;
    position: relative;
}

.section:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}
/* Section Styles */
.section {
    padding: 5rem 0;
    position: relative;
}

.section:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.mission-vision {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.mission,
.vision,
.institute-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.mission h3,
.vision h3,
.institute-info h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.institute-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    margin-top: 1rem;
    transition: var(--transition);
}

.institute-link:hover {
    color: #2ecc40;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--text-dark);
    font-size: 1.5rem;
}

.feature-card h4 {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* Modules Section */
.modules-content {
    max-width: 1000px;
    margin: 0 auto;
}

.module-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--accent-color);
    color: var(--text-dark);
    border-color: var(--accent-color);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.module-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.module-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.module-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.module-header i {
    font-size: 2rem;
}

.module-topics {
    list-style: none;
}

.module-topics li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    padding-left: 1.5rem;
}

.module-topics li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Events Section */
.countdown-container {
    text-align: center;
    margin-bottom: 3rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.countdown-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius);
    min-width: 80px;
}

.countdown-item span {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.countdown-item label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.event-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.event-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.event-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.event-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.event-card:hover .event-image img {
    transform: scale(1.1);
}

.event-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.event-type {
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.event-content {
    padding: 1.5rem;
}

.event-content h4 {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.event-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.event-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.event-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Projects Section */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--accent-color);
    color: var(--text-dark);
    border-color: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    color: var(--text-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    background: #2ecc40;
    transform: scale(1.1);
}

.project-content {
    padding: 1.5rem;
}

.project-content h4 {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.project-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tech-tag {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Leaderboard Section */
.leaderboard-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.search-input,
.sort-select {
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-light);
    font-size: 1rem;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.leaderboard-chart {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 400px;
}

.leaderboard-table {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#leaderboard-data {
    width: 100%;
    border-collapse: collapse;
}

#leaderboard-data th,
#leaderboard-data td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#leaderboard-data th {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    font-weight: 600;
}

#leaderboard-data tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Resources Section */
.resource-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    text-align: center;
}

.resource-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.resource-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--text-dark);
    font-size: 2rem;
}

.resource-content h4 {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.resource-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.resource-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Join Section */
.join-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.join-form-container {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.join-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.join-benefits {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.join-benefits h3 {
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.benefit-item i {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.benefit-item h4 {
    margin-bottom: 0.25rem;
    color: var(--text-light);
}

.benefit-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-size: 1.2rem;
}

.contact-details h4 {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.contact-details p {
    color: rgba(255, 255, 255, 0.7);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-map {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
    border: none;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color), var(--bg-dark));
    padding: 3rem 0 1rem;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 0.5rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.contact-info-footer p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
}

.contact-info-footer i {
    color: var(--accent-color);
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 2rem 0 1rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--accent-color);
}

/* Utility Classes */
.card-hover {
    transition: var(--transition);
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(28, 28, 28, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-stats {
        position: static;
        margin-top: 2rem;
        justify-content: center;
    }

    .about-content,
    .join-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .module-tabs {
        flex-direction: column;
        align-items: center;
    }

    .countdown {
        gap: 1rem;
    }

    .countdown-item {
        min-width: 60px;
    }

    .countdown-item span {
        font-size: 1.5rem;
    }

    .leaderboard-controls {
        flex-direction: column;
        align-items: center;
    }

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

    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .countdown {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .project-filters,
    .resource-filters {
        flex-direction: column;
        align-items: center;
    }
}