/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

/* Brand Colors */
:root {
    --primary: #2c3e50;
    --secondary: #e74c3c;
    --accent: #f39c12;
    --light: #ecf0f1;
    --dark: #34495e;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo img {
    height: 50px;
    cursor: pointer;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    max-width: 200px;
    line-height: 1.3;
}

@media (max-width: 768px) {
    .logo-text {
        font-size: 0.75rem;
        max-width: 120px;
    }
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: none;
    border: 1px solid var(--primary);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.lang-btn.active {
    background: var(--primary);
    color: white;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--secondary);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary), var(--dark)), url('images/hero-bg.jpg') no-repeat center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    animation: fadeInUp 1.2s ease-out;
}

.countdown {
    margin-top: 2rem;
    font-size: 1.5rem;
    animation: fadeInUp 1.4s ease-out;
}

.cta-btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    margin-top: 2rem;
    transition: transform 0.3s;
}

.cta-btn:hover {
    transform: translateY(-5px);
}

/* Sections */
section {
    padding: 5rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary);
}

/* About */
.about p {
    text-align: center;
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Speakers */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.speaker-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.speaker-card:hover {
    transform: translateY(-10px);
}

.speaker-card img {
    width: 100%;
    height: auto;
    max-height: 250px;
    object-fit: contain;
}

.speaker-card h3 {
    padding: 1rem;
    color: var(--primary);
}

.speaker-card p {
    padding: 0 1rem 1rem;
}

.learn-more-btn {
    background: var(--secondary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    margin: 0 1rem 1rem;
    transition: background 0.3s;
}

.learn-more-btn:hover {
    background: var(--accent);
}

/* Singers */
.singers-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.singer-item {
    background: var(--light);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
}

/* Schedule */
.schedule-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.schedule-item {
    background: white;
    padding: 2rem;
    border-left: 5px solid var(--accent);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s;
    display: block;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-more-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s;
}

.gallery-more-btn:hover {
    background: var(--secondary);
}

/* Venue */
.map iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: 10px;
}

/* Contact */
.contact p {
    text-align: center;
    margin-bottom: 1rem;
}

/* Donation */
.donation {
    padding: 4rem 0;
    background: var(--light);
}

.donation .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.bank-details {
    margin-top: 2rem;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.bank-details p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Sponsors */
.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    align-items: center;
}

.sponsors-grid img {
    width: 100%;
    max-width: 150px;
    filter: grayscale(100%);
    transition: filter 0.3s;
}

.sponsors-grid img:hover {
    filter: grayscale(0%);
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    text-align: center;
    padding: 2rem;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
}

.close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    cursor: pointer;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 1s ease-out;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    section {
        padding: 3rem 1rem;
    }

    h2 {
        font-size: 2rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Social Media Section */
.social-media {
    background: var(--primary);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.social-media h3 {
    margin-bottom: 2rem;
    font-size: 1.8rem;
    color: white;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--accent);
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--secondary);
    transform: translateY(-5px);
}

@media (max-width: 768px) {
    .social-media {
        padding: 2rem 1rem;
    }

    .social-media h3 {
        font-size: 1.3rem;
    }

    .social-links {
        gap: 1rem;
    }

    .social-link {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
}