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

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: #fff;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Brand Colors */
:root {
    --primary: #2c3e50;
    --secondary: #e74c3c;
    --accent: #f39c12;
    --light: #ecf0f1;
    --dark: #34495e;
    --success: #27ae60;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.5rem;
    box-shadow: var(--shadow);
    height: 70px;
}

.logo img {
    height: 50px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 0 0 auto;
}

.logo-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    max-width: 200px;
    line-height: 1.2;
    display: none;
}

@media (min-width: 768px) {
    .logo-text {
        display: block;
    }
}

@media (max-width: 767px) {
    .navbar {
        padding: 0.7rem 1rem;
        height: 60px;
    }

    .logo img {
        height: 40px;
    }

    .logo-section {
        gap: 0.5rem;
    }
}

.lang-switcher {
    display: flex;
    gap: 0.3rem;
    flex: 0 0 auto;
}

.lang-btn {
    background: transparent;
    border: 1.5px solid var(--primary);
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.lang-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    flex: 1 0 auto;
    justify-content: center;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary);
    position: relative;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    color: var(--accent);
    letter-spacing: 0.5px;
    text-shadow: 0 1px 3px rgba(243, 156, 18, 0.2);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    flex: 0 0 auto;
    background: none;
    border: none;
    color: var(--primary);
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.mobile-toggle:hover {
    color: var(--secondary);
    transform: scale(1.1);
}

@media (max-width: 1024px) {
    .nav-menu {
        gap: 1.8rem;
    }
    
    .nav-menu a {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        justify-content: space-between;
        padding: 0.7rem 1rem;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        gap: 0;
        justify-content: flex-start;
        padding: 1rem 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        box-shadow: var(--shadow);
        border-top: 1px solid var(--light);
    }

    .nav-menu.active {
        max-height: 500px;
    }

    .nav-menu li {
        width: 100%;
        padding: 0;
        border-bottom: 1px solid var(--light);
    }

    .nav-menu a {
        display: block;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu a:hover {
        background: var(--light);
        color: var(--accent);
        padding-left: 2rem;
    }

    .mobile-toggle {
        display: block;
    }

    .lang-switcher {
        position: absolute;
        bottom: -45px;
        right: 1rem;
        background: white;
        padding: 0.5rem;
        border-radius: 4px;
        box-shadow: var(--shadow);
        gap: 0;
    }

    .lang-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, var(--primary), var(--dark)), url('images/hero-bg.jpg') no-repeat center/cover;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    margin-top: 70px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
    animation: fadeInUp 1s ease-out, textGlow 3s ease-in-out infinite;
    background: linear-gradient(135deg, #ffffff, #f39c12, #ffffff);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(1rem, 3vw, 1.3rem);
    margin-bottom: 1rem;
    line-height: 1.6;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1.2s ease-out both;
    color: rgba(255, 255, 255, 0.95);
    transition: all 0.3s ease;
}

.hero p:hover {
    text-shadow: 0 0 10px rgba(243, 156, 18, 0.5), 1px 1px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.countdown {
    margin-top: 2rem;
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 600;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 1.4s ease-out, countdownPulse 2s ease-in-out infinite;
    color: #f39c12;
    font-weight: 700;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), #e67e22);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    margin-top: 2rem;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: slideUpIn 1.5s ease-out;
    position: relative;
    overflow: hidden;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.6s ease;
    z-index: -1;
}

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

.cta-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 14px 40px rgba(243, 156, 18, 0.6);
    background: linear-gradient(135deg, #e67e22, var(--accent));
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    letter-spacing: 2px;
}

.cta-btn:active {
    transform: translateY(-1px) scale(1.02);
}

@media (max-width: 768px) {
    .hero {
        height: auto;
        min-height: auto;
        padding: 6rem 0 4rem;
        margin-top: 60px;
    }

    .hero-content {
        padding: 1.5rem;
    }

    .hero h1 {
        margin-bottom: 1rem;
    }

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

    .countdown {
        font-size: 1rem;
        padding: 1rem;
        margin-top: 1.5rem;
    }

    .cta-btn {
        padding: 0.9rem 2rem;
        font-size: 0.9rem;
        margin-top: 1.5rem;
    }
}

/* Sections */
section {
    padding: 5rem 2rem;
    scroll-margin-top: 70px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 3rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
    width: 100%;
    animation: slideUpIn 0.8s ease-out both;
    transition: all 0.4s ease;
}

h2:hover {
    color: var(--accent);
    transform: translateY(-5px);
    letter-spacing: 1px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    border-radius: 2px;
    animation: headingUnderline 0.8s ease-out 0.3s both;
    transition: all 0.4s ease;
}

h2:hover::after {
    width: 100px;
    background: linear-gradient(90deg, var(--accent), var(--secondary), var(--accent));
    background-size: 200% 100%;
    animation: gradientShift 2s ease-in-out infinite;
}

@media (max-width: 768px) {
    section {
        padding: 3rem 1.5rem;
    }

    h2 {
        margin-bottom: 2.5rem;
    }

    h2::after {
        width: 50px;
        bottom: -10px;
    }
}

/* About */
.about {
    background: linear-gradient(135deg, #f5f7fa, #fff);
}

.about p {
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.2rem);
    max-width: 800px;
    margin: 0 auto;
    color: #555;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out;
    transition: all 0.4s ease;
}

.about p:hover {
    color: var(--primary);
    transform: translateY(-3px);
    text-shadow: 0 2px 8px rgba(243, 156, 18, 0.15);
}

/* Speakers */
.speakers {
    background: #fff;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.speaker-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
    will-change: transform, box-shadow;
    border: 2px solid transparent;
    animation: slideUpIn 0.6s ease-out both;
}

.speaker-card:nth-child(1) {
    animation-delay: 0.1s;
}

.speaker-card:nth-child(2) {
    animation-delay: 0.2s;
}

.speaker-card:nth-child(3) {
    animation-delay: 0.3s;
}

.speaker-card:nth-child(4) {
    animation-delay: 0.4s;
}

.speaker-card:nth-child(5) {
    animation-delay: 0.5s;
}

.speaker-card:nth-child(n+6) {
    animation-delay: 0.6s;
}

.speaker-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
}

.speaker-card img {
    width: 100%;
    height: 350px;
    object-fit: contain;
    object-position: top center;
    background: linear-gradient(135deg, #f5f7fa, #ecf0f1);
    padding: 1rem;
    transition: all 0.4s ease;
    display: block;
}

.speaker-card:hover img {
    transform: scale(1.03);
    filter: brightness(1.05);
}

.speaker-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--primary);
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    animation: slideUpIn 0.6s ease-out both;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
}

.speaker-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.5rem;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    transition: width 0.4s ease;
}

.speaker-card:hover h3::after {
    width: calc(100% - 3rem);
    animation: gradientShift 1.5s ease-in-out infinite;
}

.speaker-card:hover h3 {
    background-position: 200% 0;
    transform: translateY(-4px) scale(1.02);
    letter-spacing: 0.5px;
    text-shadow: 0 2px 10px rgba(243, 156, 18, 0.3);
}

.speaker-card p {
    padding: 0 1.5rem 1rem;
    color: #666;
    font-size: 0.95rem;
    flex-grow: 1;
    display: flex;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    line-height: 1.6;
}

.speaker-card:hover p {
    color: var(--primary);
    transform: translateX(3px);
    text-shadow: 0 1px 3px rgba(243, 156, 18, 0.2);
}

.learn-more-btn {
    background: linear-gradient(135deg, var(--secondary), #c0392b);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    margin: 0 1.5rem 1.5rem;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    animation: slideUpIn 0.8s ease-out 0.4s both;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.2);
}

.learn-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
    z-index: -1;
}

.learn-more-btn:hover::before {
    left: 100%;
}

.learn-more-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(231, 76, 60, 0.5);
    background: linear-gradient(135deg, #c0392b, var(--secondary));
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    letter-spacing: 1px;
}

.learn-more-btn:active {
    transform: translateY(-1px) scale(1.02);
}

@media (max-width: 768px) {
    .speakers-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .speaker-card img {
        height: 280px;
        padding: 0.8rem;
    }

    .speaker-card h3 {
        font-size: 1rem;
    }

    .speaker-card p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .speakers-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .speaker-card img {
        height: 240px;
        padding: 0.6rem;
    }

    .speaker-card:hover {
        transform: translateY(-8px) scale(1.01);
    }
}

/* Singers */
.singers {
    background: linear-gradient(135deg, #f5f7fa, #fff);
}

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

.singer-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-top: 4px solid var(--accent);
    animation: slideUpIn 0.6s ease-out both;
}

.singer-item:nth-child(6) {
    animation-delay: 0.1s;
}

.singer-item:nth-child(7) {
    animation-delay: 0.2s;
}

.singer-item:nth-child(8) {
    animation-delay: 0.3s;
}

.singer-item:nth-child(9) {
    animation-delay: 0.4s;
}

.singer-item:nth-child(10) {
    animation-delay: 0.5s;
}

.singer-item:nth-child(11) {
    animation-delay: 0.6s;
}

.singer-item:nth-child(12) {
    animation-delay: 0.7s;
}

.singer-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-top-color: var(--secondary);
}

.singer-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-weight: 700;
    animation: slideUpIn 0.6s ease-out both;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
}

.singer-item:hover h3 {
    background-position: 200% 0;
    transform: scale(1.05) translateY(-3px);
    text-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
}

.singer-item p {
    color: #666;
    font-size: 0.95rem;
    transition: all 0.4s ease;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    letter-spacing: 0.3px;
}

.singer-item:hover p {
    color: var(--primary);
    transform: translateX(2px);
    text-shadow: 0 1px 4px rgba(243, 156, 18, 0.15);
}

@media (max-width: 768px) {
    .singers-list {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .singers-list {
        grid-template-columns: 1fr;
    }
}

/* Schedule */
.schedule {
    background: linear-gradient(135deg, #f5f7fa, #fff);
}

.schedule-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.schedule-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), var(--secondary));
    display: none;
}

.schedule-item {
    background: white;
    padding: 2rem;
    border-left: 5px solid var(--accent);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.schedule-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--secondary);
}

.schedule-item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    animation: slideUpIn 0.6s ease-out both;
    transition: all 0.3s ease;
    font-weight: 700;
    position: relative;
}

.schedule-item h3::before {
    content: '';
    position: absolute;
    left: -20px;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
}

.schedule-item:hover h3 {
    color: var(--accent);
    transform: translateX(5px);
}

.schedule-item:hover h3::before {
    width: 20px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
}

.schedule-item p {
    color: #666;
    font-size: 0.95rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    transition: all 0.3s ease;
}

.schedule-item:hover p {
    color: var(--primary);
    transform: translateX(3px);
}

.schedule-item .time {
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    animation: slideUpIn 0.6s ease-out both;
    transition: all 0.3s ease;
    text-shadow: 0 1px 3px rgba(243, 156, 18, 0.2);
}

.schedule-item:hover .time {
    text-shadow: 0 2px 8px rgba(243, 156, 18, 0.4);
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .schedule-timeline {
        gap: 1.5rem;
    }

    .schedule-item {
        padding: 1.5rem;
    }
}

/* Gallery */
.gallery {
    background: #fff;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    aspect-ratio: 1 / 1;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    will-change: transform, box-shadow;
}

.gallery-item:hover {
    box-shadow: var(--shadow-hover);
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(3px);
}

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

/* Hide gallery items after the 8th one */
.gallery-item:nth-child(n+9) {
    display: none;
}

/* Show all items when show-all class is applied */
.gallery-grid.show-all .gallery-item {
    display: block;
}

.gallery-view-more-container {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.gallery-view-more-btn {
    background: linear-gradient(135deg, var(--accent), #e67e22);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gallery-view-more-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(243, 156, 18, 0.4);
}

.gallery-view-more-btn.hidden {
    display: none;
}

.gallery-more-btn {
    background: linear-gradient(135deg, var(--accent), #e67e22);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gallery-more-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(243, 156, 18, 0.4);
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }

    .gallery-item {
        aspect-ratio: 1 / 1;
    }

    .gallery-view-more-btn {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }

    .gallery-more-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Venue */
.venue {
    background: linear-gradient(135deg, #f5f7fa, #fff);
}

.map {
    margin-top: 2rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map iframe {
    width: 100%;
    height: clamp(300px, 50vh, 500px);
    border: none;
    border-radius: 12px;
    display: block;
}

/* Contact */
.contact {
    background: #fff;
}

.contact p {
    text-align: center;
    margin-bottom: 1rem;
    font-size: clamp(1rem, 2vw, 1.1rem);
    color: #555;
    animation: fadeInUp 0.8s ease-out both;
    transition: all 0.4s ease;
    line-height: 1.8;
}

.contact p:hover {
    color: var(--primary);
    transform: translateY(-2px);
    text-shadow: 0 2px 6px rgba(243, 156, 18, 0.15);
}

.contact a {
    color: var(--accent);
    font-weight: 600;
    position: relative;
    transition: all 0.3s ease;
}

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

.contact a:hover::after {
    width: 100%;
}

/* Donation */
.donation {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: white;
}

.donation h2 {
    color: white;
    animation: slideUpIn 0.8s ease-out, textGlow 3s ease-in-out infinite;
}

.donation p {
    color: #ecf0f1;
    font-size: clamp(1rem, 2vw, 1.1rem);
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    transition: all 0.4s ease;
    line-height: 1.8;
}

.donation p:hover {
    color: white;
    text-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
    transform: translateX(3px);
}

.donation h2::after {
    background: linear-gradient(90deg, var(--accent), #f39c12);
}

.donation .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.donation p {
    color: #ecf0f1;
    font-size: clamp(1rem, 2vw, 1.1rem);
    margin-bottom: 1rem;
}

.bank-details {
    margin-top: 3rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.bank-details p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: #ecf0f1;
    animation: fadeInUp 0.8s ease-out both;
    transition: all 0.4s ease;
    line-height: 1.8;
    letter-spacing: 0.3px;
}

.bank-details p:hover {
    color: var(--accent);
    transform: translateX(5px);
    text-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
}

@media (max-width: 768px) {
    .donation {
        padding: 3rem 1.5rem;
    }

    .bank-details {
        padding: 1.5rem;
        margin-top: 2rem;
    }
}

/* Sponsors */
.sponsors {
    background: #fff;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2.5rem;
    align-items: center;
    margin-top: 2rem;
}

.sponsors-grid img {
    width: 100%;
    max-width: 150px;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
    object-fit: contain;
}

.sponsors-grid img:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .sponsors-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1.5rem;
    }

    .sponsors-grid img {
        max-width: 100%;
    }
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    text-align: center;
    padding: 3rem 2rem;
    border-top: 4px solid var(--accent);
}

footer p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out both;
    transition: all 0.3s ease;
}

footer p:hover {
    color: var(--accent);
    transform: translateY(-2px);
    text-shadow: 0 1px 5px rgba(243, 156, 18, 0.3);
    letter-spacing: 0.3px;
}

@media (max-width: 768px) {
    footer {
        padding: 2rem 1.5rem;
    }

    footer p {
        font-size: 0.9rem;
    }
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
    animation: fadeInUp 0.3s ease-out;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    animation: zoomIn 0.3s ease-out;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 10px;
}

.close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close:hover {
    transform: scale(1.2);
    color: var(--accent);
}

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

@keyframes slideUpIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes typeWrite {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 100%;
        opacity: 1;
    }
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 5px rgba(243, 156, 18, 0.3), 2px 2px 8px rgba(0, 0, 0, 0.3);
    }
    50% {
        text-shadow: 0 0 20px rgba(243, 156, 18, 0.6), 2px 2px 8px rgba(0, 0, 0, 0.3);
    }
}

@keyframes textShimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

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

@keyframes textWave {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-5px);
    }
    75% {
        transform: translateY(5px);
    }
}

@keyframes countdownPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes headingUnderline {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes colorShift {
    0% {
        color: #2c3e50;
    }
    50% {
        color: #f39c12;
    }
    100% {
        color: #2c3e50;
    }
}

@keyframes bounceInScale {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(243, 156, 18, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(243, 156, 18, 0.6);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

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

/* Social Media Section */
.social-media {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.social-media h3 {
    margin-bottom: 2rem;
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    color: white;
    font-weight: 700;
    animation: slideUpIn 0.8s ease-out;
    background: linear-gradient(135deg, #ffffff, var(--accent), #ffffff);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s ease;
}

.social-media h3:hover {
    background-position: 100% 0;
    text-shadow: 0 0 10px rgba(243, 156, 18, 0.4);
    letter-spacing: 1px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), #e67e22);
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
    cursor: pointer;
    border: 2px solid transparent;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--secondary), #c0392b);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
    border-color: white;
}

.social-link:active {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .social-media {
        padding: 2rem 1.5rem;
    }

    .social-media h3 {
        margin-bottom: 1.5rem;
    }

    .social-links {
        gap: 1.5rem;
    }

    .social-link {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .social-links {
        gap: 1rem;
    }

    .social-link {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* Tablet Optimizations (iPad and similar devices) */
@media (min-width: 769px) and (max-width: 1024px) {
    html {
        font-size: 15px;
    }

    .navbar {
        padding: 0.8rem 1.2rem;
        height: 65px;
    }

    .nav-menu {
        gap: 1.5rem;
    }

    .nav-menu a {
        font-size: 0.85rem;
    }

    section {
        padding: 4rem 1.5rem;
    }

    h2 {
        margin-bottom: 2.5rem;
    }

    .speakers-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 1.8rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.2rem;
    }

    .sponsors-grid {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    }

    .cta-btn {
        padding: 0.9rem 2.2rem;
        font-size: 0.95rem;
    }
}

/* Large Desktop (1920px and above) */
@media (min-width: 1921px) {
    html {
        font-size: 18px;
    }

    .container {
        max-width: 1400px;
    }

    h2 {
        font-size: 3rem;
    }

    .hero h1 {
        font-size: 4rem;
    }

    section {
        padding: 6rem 4rem;
    }

    .speakers-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Print Styles */
@media print {
    header,
    .cta-btn,
    .mobile-toggle,
    .lang-switcher {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    section {
        page-break-inside: avoid;
        padding: 2rem 0;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}

/* Accessibility - Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background: #1a1a1a;
        color: #e0e0e0;
    }

    .navbar {
        background: rgba(26, 26, 26, 0.98);
    }

    .speaker-card,
    .singer-item,
    .schedule-item,
    .bank-details {
        background: #2a2a2a;
        color: #e0e0e0;
    }

    .speaker-card:hover,
    .schedule-item:hover {
        background: #333;
    }

    .about {
        background: #222;
    }

    .singers {
        background: #222;
    }

    .section {
        background: #1a1a1a;
    }
}