@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

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

:root {
    /* Modern Vibrant Green Color Palette */
    --primary-color: hsl(145, 70%, 28%);
    --secondary-color: hsl(145, 60%, 38%);
    --accent-color: hsl(160, 75%, 45%);
    --accent-glow: hsl(160, 90%, 55%);
    --gradient-primary: linear-gradient(135deg, hsl(145, 70%, 28%) 0%, hsl(160, 75%, 40%) 100%);
    --gradient-accent: linear-gradient(135deg, hsl(160, 75%, 45%) 0%, hsl(150, 65%, 50%) 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.8) 100%);

    --light-bg: #F8F9FA;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --card-bg: rgba(255, 255, 255, 0.85);
    --border-radius: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(52, 211, 153, 0.4);
    --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(to bottom, #F8F9FA 0%, #E9ECEF 100%);
    font-size: 1rem;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-accent);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--gradient-accent);
    width: 0%;
    z-index: 9999;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--accent-glow);
}

/* ===== UTILITIES & CONTAINER ===== */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Reveal Animations - Disabled */
.reveal {
    opacity: 1;
    transform: translateY(0);
}

/* ===== TYPOGRAPHY ===== */
h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 700;
}

h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--accent-glow);
}

/* ===== NAVIGATION ===== */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-countdown {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 1.5rem;
}

.nav-countdown-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2px;
}

.nav-countdown-items {
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: monospace;
    font-weight: 700;
    color: var(--text-dark);
}

.nav-countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 28px;
}

.nav-countdown-number {
    font-size: 1.1rem;
    line-height: 1;
    color: var(--primary-color);
}

.nav-countdown-text {
    font-size: 0.5rem;
    text-transform: uppercase;
    color: var(--text-light);
}

.nav-countdown-separator {
    font-size: 1rem;
    color: var(--accent-color);
    margin-top: -8px;
    font-weight: bold;
}

@media (max-width: 968px) {
    .nav-countdown {
        display: none;
    }
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

.nav-menu a:hover {
    color: var(--accent-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    color: white;
    min-height: 90vh;
    display: flex;
    align-items: center;
    text-align: left;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-slider .slide-image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.5s ease, transform 20s ease;
}

.hero-slider .slide-image.active {
    opacity: 1;
    animation: kenBurns 20s ease-out infinite alternate;
}

@keyframes kenBurns {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(21, 87, 60, 0.5) 0%,
            rgba(34, 139, 95, 0.35) 50%,
            rgba(52, 211, 153, 0.2) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    animation: fadeInUp 1s ease-out;
}

.hero-inner {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hero-left {
    flex: 2;
}

h1,
.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    line-height: 1.8;
    text-shadow: 1px 1px 10px rgba(0, 0, 0, 0.2);
}

.hero-quick ul {
    list-style: none;
    margin-bottom: 2rem;
}

.hero-quick li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 1.05rem;
}

.hero-quick li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-glow);
    font-weight: bold;
    font-size: 1.2rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Slider Controls */
.slider-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-control:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-control.prev {
    left: 20px;
}

.slider-control.next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 4;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.dot.active {
    background: white;
    width: 40px;
    border-radius: 6px;
}

/* ===== COUNTDOWN SECTION ===== */
#countdown-section {
    background: var(--gradient-primary);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

#countdown-section h2 {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
    margin-bottom: 2rem;
}

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

.countdown-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--border-radius);
    min-width: 120px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
}

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

.countdown-number {
    font-size: 3rem;
    font-weight: 700;
    display: block;
    line-height: 1;
}

.countdown-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
    opacity: 0.9;
}

/* ===== BUTTONS ===== */
.cta-button {
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button.primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 15px rgba(52, 211, 153, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 4px 15px rgba(52, 211, 153, 0.3);
    }

    50% {
        box-shadow: 0 4px 25px rgba(52, 211, 153, 0.5);
    }
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(52, 211, 153, 0.5);
}

.cta-button.secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-3px);
}

/* ===== GENERIC CARD & GRID ===== */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: rgba(52, 211, 153, 0.3);
}

.grid {
    display: grid;
    gap: 2rem;
}

/* ===== SECTIONS ===== */
section {
    padding: 5rem 0;
    position: relative;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: white;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.about-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: left;
}

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

.about-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: block;
}

.about-card h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* ===== TRACKS SECTION ===== */
.tracks {
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
}

.tracks-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.track-card {
    position: relative;
    background: var(--gradient-card);
}

.track-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.track-icon {
    font-size: 3rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.track-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.expand-btn {
    background: var(--gradient-primary);
    color: white;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.expand-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(21, 87, 60, 0.3);
}

.track-content {
    margin-top: 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.track-content li {
    padding: 0.7rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.track-content li:last-child {
    border-bottom: none;
}

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

.track-content.hidden {
    max-height: 0;
}

/* ===== HIGHLIGHTS/TIMELINE SECTION ===== */
.highlights {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: var(--gradient-accent);
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(52, 211, 153, 0.3);
}

.timeline-item {
    padding: 1rem 2rem;
    position: relative;
    width: 50%;
    margin-bottom: 3rem;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 3rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 1.5rem;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    border: 4px solid var(--accent-color);
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.2);
    z-index: 1;
    transition: var(--transition-smooth);
}

.timeline-item:hover::before {
    transform: scale(1.3);
    box-shadow: 0 0 0 8px rgba(52, 211, 153, 0.3);
}

.timeline-item:nth-child(odd)::before {
    right: -10px;
}

.timeline-item:nth-child(even)::before {
    left: -10px;
}

.timeline-content {
    padding: 2rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.timeline-date {
    font-size: 1.1rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

/* ===== SPEAKERS SECTION ===== */
.speakers {
    background: #ffffff;
}

.speakers-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.speaker-card {
    text-align: center;
    transition: var(--transition-smooth);
}

.speaker-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 4px solid transparent;
    background: var(--gradient-accent);
    padding: 4px;
    transition: var(--transition-smooth);
}

.speaker-card:hover .speaker-image {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.speaker-affiliation {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ===== SPONSORS SECTION ===== */
.sponsors {
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
}

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

.sponsor-card {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    transition: var(--transition-smooth);
}

.sponsor-card img {
    max-width: 160px;
    filter: grayscale(100%) opacity(0.7);
    transition: var(--transition-smooth);
}

.sponsor-card:hover img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.1);
}

/* ===== COMMITTEES SECTION ===== */
.committees {
    background: #ffffff;
}

.committee-group {
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.committee-group h3 {
    border-bottom: 3px solid;
    border-image: var(--gradient-accent) 1;
    padding-bottom: 0.8rem;
    margin-bottom: 1.5rem;
}

.committee-group ul {
    list-style: none;
    display: grid;
    gap: 0.8rem;
}

.committee-group li {
    padding: 0.8rem;
    border-left: 3px solid var(--accent-color);
    padding-left: 1rem;
    background: rgba(52, 211, 153, 0.03);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.committee-group li:hover {
    background: rgba(52, 211, 153, 0.08);
    transform: translateX(5px);
}

.tpc-list {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ===== SUBMISSION SECTION ===== */
.submission {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.submission-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.submission-guidelines {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.submission-intro {
    margin-bottom: 2rem;
}

.submission-checklist {
    list-style: none;
    margin-bottom: 2rem;
}

.submission-checklist li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.7;
}

.submission-format,
.submission-fee {
    background: rgba(52, 211, 153, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent-color);
}

.submission-format h4,
.submission-fee h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.registration-fee {
    list-style: none;
    padding-left: 0;
}

.registration-fee li {
    padding: 0.7rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.registration-fee li:last-child {
    border-bottom: none;
}

.submission-actions {
    background: var(--gradient-primary);
    color: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

.submission-actions h4 {
    color: white;
    margin-bottom: 2rem;
}

.submission-actions p {
    margin-bottom: 1.5rem;
}

.submission-actions .small {
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.6;
}

.submission-actions a {
    color: white;
    text-decoration: underline;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.cta-section h2 {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
    margin-bottom: 1.5rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: #ffffff;
}

.contact-content {
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.contact-info p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.contact-form {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    border: 2px solid rgba(52, 211, 153, 0.2);
    background: rgba(255, 255, 255, 0.8);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.1);
    background: white;
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, hsl(160, 75%, 35%) 100%);
    color: white;
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
}

.footer-links {
    margin: 1.5rem 0;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 1rem;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: white;
}

.social-media {
    margin-top: 2rem;
}

.social-media a {
    color: white;
    font-size: 1.5rem;
    margin: 0 1rem;
    display: inline-flex;
    width: 50px;
    height: 50px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.social-media a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

/* Scroll to Top Button */
#scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    z-index: 999;
}

#scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

#scroll-to-top.visible {
    display: flex;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {

    h1,
    .hero-content h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: left 0.4s ease;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-inner {
        flex-direction: column;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .subtitle {
        max-width: 100%;
    }

    .countdown-timer {
        gap: 1rem;
    }

    .countdown-item {
        min-width: 100px;
        padding: 1.5rem;
    }

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

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

    .timeline-item {
        width: 100%;
        padding-left: 4rem;
        padding-right: 1rem;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        left: 0;
        padding-left: 4rem;
    }

    .timeline-item::before {
        left: 12px;
    }

    .submission-grid,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .submission-actions {
        position: static;
    }

    .slider-control {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .slider-control.prev {
        left: 10px;
    }

    .slider-control.next {
        right: 10px;
    }

    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {

    h1,
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .cta-button {
        padding: 0.8rem 1.8rem;
        font-size: 0.9rem;
    }

    .card {
        padding: 1.5rem;
    }

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