/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ec5f08;
    --secondary-color: #FF6B35;
    --accent-color: #FF4444;
    --text-dark: #3e1010;
    --text-light: #666666;
    --white: #FFFFFF;
    --light-bg: #FFFBF0;
    --dark-bg: #d7c6c6;
    --gradient-primary: linear-gradient(135deg, #f9da2a 0%, #FF6B35 100%);
    --gradient-secondary: linear-gradient(135deg, #FF4444 0%, #FFD700 100%);
    --gradient-hero: linear-gradient(135deg, #FFD700 0%, #FF6B35 50%, #FF4444 100%);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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


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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--text-dark);
    color: var(--white);
    border-color: var(--text-dark);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
}

.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;
    gap: 0.5rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.logo-img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 68, 68, 0.2);
}

.logo-text {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-color);
}

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

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

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

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

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('adove.webp');
    background-size: cover;
    background-position: center;
    z-index: -5;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.15)"/><circle cx="25" cy="25" r="0.5" fill="rgba(255,68,68,0.1)"/><circle cx="75" cy="75" r="0.5" fill="rgba(255,215,0,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.4;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
    background: rgba(30, 30, 30, 0.15); /* subtle dark overlay for readability */
    border-radius: 24px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.12);
    backdrop-filter: blur(2px);
}

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.floating-card {
    background: rgba(255, 255, 255, 0.10); /* more transparent for harmony */
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 2px solid rgba(255, 215, 0, 0.18);
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(255, 68, 68, 0.12);
}

.card-content h3 {
    color: #222;
    margin-bottom: 1rem;
    text-align: center;
    text-shadow: 0 1px 8px rgba(255,255,255,0.18);
}

.card-content p {
    color: #f9da2a;
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.95;
    font-weight: 600;
    text-shadow: 0 1px 8px rgba(255,255,255,0.18);
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.countdown-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.18); /* lighter background for dark bg */
    padding: 1rem;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(8px);
}

.countdown-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #fffbe6;
    text-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.countdown-label {
    font-size: 0.8rem;
    color: #ffe066;
    text-transform: uppercase;
    font-weight: 600;
    text-shadow: 0 1px 6px rgba(0,0,0,0.18);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid var(--white);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

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

.feature-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--white) 0%, var(--light-bg) 100%);
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.image-container {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.about-img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

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

.image-container:hover .image-overlay {
    transform: translateY(0);
}

.image-container:hover .about-img {
    transform: scale(1.05);
}

/* Events Section */
.events {
    padding: 6rem 0;
}

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

.event-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
}

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

.event-card.featured {
    border: 3px solid var(--primary-color);
    background: linear-gradient(135deg, var(--white) 0%, var(--light-bg) 100%);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.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-date {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem;
    border-radius: 8px;
    text-align: center;
}

.event-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.event-date .month {
    font-size: 0.8rem;
    text-transform: uppercase;
}

.featured-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255, 68, 68, 0.4);
}

.event-content {
    padding: 1.5rem;
}

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

.event-time {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.event-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Schedule Section */
.schedule {
    padding: 6rem 0;
    background: var(--light-bg);
}

.schedule-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.schedule-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    flex: 0 0 120px;
    text-align: center;
    background: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    position: relative;
    z-index: 1;
    border: 2px solid var(--primary-color);
}

.timeline-date .date {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
}

.timeline-date .time {
    font-size: 0.9rem;
    color: var(--text-light);
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    margin: 0 2rem;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -20px;
    border-left-color: var(--white);
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -20px;
    border-right-color: var(--white);
}

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

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

.timeline-location {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* Gallery Section */
.gallery {
    padding: 6rem 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-overlay i {
    color: var(--white);
    font-size: 2rem;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Registration Section */
.registration {
    padding: 6rem 0;
    background: var(--light-bg);
}

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

.form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #E1E8ED;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #E1E8ED;
    border-radius: 4px;
    position: relative;
    transition: var(--transition);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-size: 12px;
}

.info-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    margin-bottom: 1.5rem;
}

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

.info-card ul {
    list-style: none;
}

.info-card li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.info-card i {
    color: var(--primary-color);
}

.event-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.event-detail i {
    color: var(--primary-color);
    width: 20px;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.contact-details h3 {
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo .logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 215, 0, 0.3);
    transition: var(--transition);
}

.footer-logo .logo-img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.footer-logo span {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    color: var(--primary-color);
}

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

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

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.social-link:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 68, 68, 0.4);
}

.footer-section h3 {
    color: var(--primary-color);
    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(--primary-color);
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

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

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

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

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: var(--border-radius);
}

.lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: var(--white);
    padding: 10px 0;
    height: 150px;
}

.lightbox-close {
    color: var(--white);
    font-size: 35px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 35px;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--primary-color);
}

/* Loading Spinner */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 215, 0, 0.2);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    z-index: 1000;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.back-to-top.show {
    display: flex;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
        z-index: 1000;
    }

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

    .nav-toggle {
        display: flex;
    }

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

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

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

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

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

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

    .schedule-timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: row !important;
    }

    .timeline-date {
        flex: 0 0 100px;
        margin-left: 0;
    }

    .timeline-content {
        margin-left: 3rem;
        margin-right: 0;
    }

    .timeline-content::before {
        left: -20px !important;
        border-right-color: var(--white) !important;
        border-left-color: transparent !important;
    }

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

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .countdown {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.3rem;
    }

    /* Mobile countdown modifications */
    .countdown-item {
        padding: 0.3rem;
        min-width: min-content;
    }

    .countdown-number {
        font-size: 1.2rem;
    }

    .countdown-label {
        font-size: 0.6rem;
        white-space: nowrap;
    }
}

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

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

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

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    /* Extra small screen countdown */
    .countdown {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.2rem;
    }

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