/* CSS Variables for Brand Colors */
:root {
    --bg-light: #F8F8F8;
    --accent-color: #2DB7B8;
    --primary-color: #335DAF;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    font-size: 16px;
}

/* Arabic Language Support */
html[lang="ar"] {
    direction: rtl;
}

html[lang="ar"] body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Arial, sans-serif;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--primary-color);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Links */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.5;
}

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

.btn-primary:hover {
    background-color: #249a9b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--accent-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-toggle {
    background-color: var(--gray-100);
    border: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.lang-toggle:hover {
    background-color: var(--gray-200);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Main Content */
main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}


.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-logo {
    margin-bottom: 2rem;
}

.logo-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: var(--white);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 2rem;
    box-shadow: var(--shadow-lg);
}

.logo-circle-small {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}


.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Countdown Timer */
.countdown {
    margin: 3rem 0;
}

.countdown h3 {
    color: var(--white);
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.countdown-timer-sm {
    display: flex;
    justify-content: center;
    gap: .5rem;
    flex-wrap: wrap;
}

.time-unit-sm {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    min-width: 50px;
    backdrop-filter: blur(10px);
}

.time-unit-sm span {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.time-unit-sm label {
    font-size: 0.9rem;
    color: rgba(29, 3, 3, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}




.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.time-unit {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    min-width: 100px;
    backdrop-filter: blur(10px);
}

.time-unit span {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
}

.time-unit label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}


/* Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--white);
}

.features h2 {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.5rem;
}

.sponser-container {
    margin: 0 auto;
    padding: 0 20px;
}

.sponser-grid {
    width: 100%;
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 10px 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.sponser {
    padding: 6rem 0 0 0;
    background-color: var(--white);
}

.sponser h2 {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    background-color: var(--bg-light);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Content Sections */
.content-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.content-block {
    margin-bottom: 3rem;
}

.content-block h2 {
    margin-bottom: 1.5rem;
}

.content-block ul {
    list-style: none;
    padding-left: 0;
}

.content-block li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.content-block li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.category-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Sidebar */
.content-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.sidebar-card h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.fact-list {
    list-style: none;
}

.fact-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.fact-list li:last-child {
    border-bottom: none;
}

.fact-label {
    font-weight: 500;
    color: var(--text-dark);
}

.fact-value {
    color: var(--accent-color);
    font-weight: 600;
}

.winner-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.winner-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.year {
    font-weight: 700;
    color: var(--primary-color);
}

.team {
    color: var(--text-dark);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

input,
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(45, 183, 184, 0.1);
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
    flex-shrink: 0;
}

.checkbox-group label {
    margin-bottom: 0;
    cursor: pointer;
}

/* Registration Section */
.registration-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.registration-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.registration-info h2 {
    margin-bottom: 2rem;
}

.info-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.fee-structure {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.fee-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.fee-amount {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1.25rem;
}

.registration-form-container {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.registration-form h2 {
    margin-bottom: 2rem;
    text-align: center;
}

/* Contact Section */
.contact-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 2rem 0;
}

.contact-method {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-departments {
    margin-top: 3rem;
}

.department-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.department {
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    text-align: center;
}

.department h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-form-container {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form h2 {
    margin-bottom: 2rem;
    text-align: center;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.faq-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Schedule Section */
.schedule-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.schedule-nav {
    margin-bottom: 3rem;
}

.schedule-nav .container {
    display: flex;
    justify-content: center;
}

.schedule-tab {
    background-color: var(--gray-100);
    border: none;
    padding: 1rem 2rem;
    margin: 0 0.25rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.schedule-tab.active,
.schedule-tab:hover {
    background-color: var(--accent-color);
    color: var(--white);
}

.schedule-panel {
    display: none;
}

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

.overview-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.timeline-date {
    flex-shrink: 0;
    text-align: center;
    padding: 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: var(--border-radius);
    min-width: 120px;
}

.timeline-date .date {
    display: block;
    font-weight: 600;
    font-size: 1.1rem;
}

.timeline-date .year {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.day-schedule {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.schedule-item {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.schedule-item .time {
    flex-shrink: 0;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 120px;
    font-size: 1.1rem;
}

.event h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.event .location {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Important Info Section */
.important-info {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.important-info h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.info-item h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Results Section */
.results-nav {
    background-color: var(--bg-light);
    padding: 2rem 0;
}

.results-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.results-tab {
    background-color: var(--white);
    border: 2px solid var(--gray-200);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.results-tab.active,
.results-tab:hover {
    background-color: var(--accent-color);
    color: var(--white);
    border-color: var(--accent-color);
}

.results-content {
    padding: 4rem 0;
    background-color: var(--white);
}

.results-panel {
    display: none;
}

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

.championship-status {
    text-align: center;
    margin-bottom: 4rem;
}

.status-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.status-banner h2 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.status-banner p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
}

.prize-structure h3 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.prizes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.prize-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 3px solid transparent;
}

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

.prize-card.gold {
    border-color: #ffd700;
}

.prize-card.silver {
    border-color: #c0c0c0;
}

.prize-card.bronze {
    border-color: #cd7f32;
}

.prize-card.special {
    border-color: var(--accent-color);
}

.prize-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.prize-card h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.prize-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.prize-card ul {
    list-style: none;
    text-align: left;
}

.prize-card li {
    padding: 0.25rem 0;
    color: var(--text-light);
}

.previous-results {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.year-result {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.year-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-200);
}

.year-header h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.participants {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

.winners-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.winner-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.position {
    font-size: 2rem;
    flex-shrink: 0;
}

.position.gold {
    color: #ffd700;
}

.position.silver {
    color: #c0c0c0;
}

.position.bronze {
    color: #cd7f32;
}

.winner-info h5 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.winner-info p {
    color: var(--text-light);
    margin: 0;
}

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

.award-category {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.award-category:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.award-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.award-category h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.award-prize {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-top: 1rem;
}

/* Gallery Section */
.gallery-filters {
    background-color: var(--bg-light);
    padding: 2rem 0;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-tab,
.filter-tab {
    background-color: var(--white);
    border: 2px solid var(--gray-200);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

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

.gallery-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

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

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    opacity: 0;
    transform: scale(1.1);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 0.9rem;
}

.load-more-container {
    text-align: center;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    max-width: 90%;
    max-height: 90%;
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.modal-content img,
.modal-content video {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
}

.modal-info {
    padding: 2rem;
}

.modal-info h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.modal-info p {
    color: var(--text-light);
    margin: 0;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--white);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

/* Footer */
.footer {
    background-color: var(--gray-800);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: var(--gray-300);
    transition: var(--transition);
}

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

.footer-section p {
    color: var(--gray-300);
    margin-bottom: 0.5rem;
}

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

.social-links a {
    color: var(--gray-300);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-color);
    background-color: var(--gray-700);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-400);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 1rem;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }


    .countdown-timer-sm {
        gap: 1rem;
    }

    .time-unit-sm {
        min-width: 40px;
        padding: .5rem;
    }

    .time-unit-sm span {
        font-size: .9rem;
    }




    .countdown-timer {
        gap: 1rem;
    }

    .time-unit {
        min-width: 80px;
        padding: 1rem;
    }

    .time-unit span {
        font-size: 2rem;
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .timeline-item,
    .schedule-item {
        flex-direction: column;
        gap: 1rem;
    }

    .timeline-date,
    .schedule-item .time {
        min-width: auto;
        text-align: left;
    }

    .year-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .winner-card {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }

    .gallery-item img,
    .gallery-item video {
        height: 200px;
    }

    .modal-content {
        margin: 10% auto;
        max-width: 95%;
    }

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

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

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

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

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

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

    .department-list {
        grid-template-columns: 1fr;
    }

    .filter-tabs,
    .btn-tab,
    .results-tabs,
    .schedule-nav .container {
        flex-direction: column;
        align-items: center;
    }

    .filter-tab,
    .btn-tab,
    .results-tab,
    .schedule-tab {
        width: 100%;
        max-width: 200px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .time-unit {
        min-width: 70px;
        padding: 0.75rem;
    }

    .time-unit span {
        font-size: 1.5rem;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }

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

    .gallery-item img,
    .gallery-item video {
        height: 180px;
    }

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

    .prize-amount {
        font-size: 1.5rem;
    }

    .modal-content {
        margin: 15% auto;
    }

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

    .social-links {
        justify-content: center;
    }
}

/* Print Styles */
@media print {

    .navbar,
    .hamburger,
    .lang-toggle,
    .footer {
        display: none;
    }

    main {
        margin-top: 0;
    }

    .hero {
        background: none;
        color: var(--text-dark);
        padding: 2rem 0;
    }

    .hero-title,
    .hero-subtitle,
    .hero-description {
        color: var(--text-dark);
    }

    .page-header {
        background: none;
        color: var(--text-dark);
        padding: 2rem 0;
    }

    .page-header h1 {
        color: var(--primary-color);
    }

    .btn {
        border: 2px solid var(--primary-color);
        background: none;
        color: var(--primary-color);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --text-dark: #000000;
        --text-light: #000000;
        --gray-400: #000000;
        --gray-500: #000000;
    }
}

/* Focus styles for accessibility */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}