/* ============================================
   TOMMIE BUILDFEST - CSS STYLES
   A food-themed hackathon for the common good
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Palette - Fresh & Warm */
    --color-primary: #2D5A27;      /* Deep forest green */
    --color-primary-light: #4A7C43;
    --color-primary-dark: #1E3D1A;
    
    /* Accent Colors - Harvest Warmth */
    --color-accent: #E8703A;       /* Warm orange */
    --color-accent-light: #F5A66E;
    --color-accent-dark: #C45A28;
    
    /* Secondary - Berry tones */
    --color-berry: #7B2D5B;
    --color-berry-light: #A34D7E;
    
    /* Neutrals */
    --color-cream: #FDF8F3;
    --color-cream-dark: #F5EDE4;
    --color-text: #1A1A1A;
    --color-text-muted: #5A5A5A;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-display: 'Bricolage Grotesque', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 10rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(45, 90, 39, 0.08);
    --shadow-md: 0 8px 24px rgba(45, 90, 39, 0.12);
    --shadow-lg: 0 16px 48px rgba(45, 90, 39, 0.16);
    --shadow-glow: 0 0 40px rgba(232, 112, 58, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ============================================
   BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-cream);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

strong {
    font-weight: 600;
    color: var(--color-primary);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: var(--space-sm);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: calc(100% - var(--space-lg) * 2);
    max-width: 900px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(45, 90, 39, 0.1);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.4rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    background: var(--color-primary);
    color: var(--color-white) !important;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    color: var(--color-white) !important;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(232, 112, 58, 0.4);
}

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

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

.btn-full {
    width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-3xl) var(--space-lg);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(45, 90, 39, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(232, 112, 58, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 20% 60%, rgba(123, 45, 91, 0.04) 0%, transparent 50%),
        var(--color-cream);
    z-index: -1;
}

.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-item {
    position: absolute;
    font-size: 2.5rem;
    opacity: 0.6;
    left: var(--x);
    top: var(--y);
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.title-line {
    display: block;
    color: var(--color-primary);
}

.title-line.accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-berry) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-year {
    display: block;
    font-size: 0.25em;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-details {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 500;
}

.detail-icon {
    font-size: 1.2rem;
}

.hero-ctas {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.hero-scroll {
    margin-top: 100px;
    position: absolute;
    bottom: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    animation: fadeIn 1s ease-out 1s backwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-text-muted);
    border-radius: var(--radius-full);
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    animation: scroll-bounce 1.5s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(10px); opacity: 0.5; }
}

/* ============================================
   PARTNERS BANNER
   ============================================ */
.partners-banner {
    padding: var(--space-xl) 0;
    background: var(--color-white);
    border-top: 1px solid rgba(45, 90, 39, 0.1);
    border-bottom: 1px solid rgba(45, 90, 39, 0.1);
}

.partners-label {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.partner-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
    color: var(--color-primary);
}

.partner-icon {
    font-size: 1.5rem;
}

.partner-divider {
    width: 1px;
    height: 24px;
    background: rgba(45, 90, 39, 0.2);
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.section-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(45, 90, 39, 0.1);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--space-3xl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.about-lead {
    font-size: 1.3rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.about-main p {
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(45, 90, 39, 0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.info-card {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(45, 90, 39, 0.08);
    transition: all var(--transition-base);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.info-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
    color: var(--color-primary);
}

.info-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* ============================================
   TRACKS SECTION
   ============================================ */
.tracks {
    padding: var(--space-3xl) 0;
    background: 
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(232, 112, 58, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 80% 20%, rgba(45, 90, 39, 0.05) 0%, transparent 50%),
        var(--color-cream-dark);
}

.tracks-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.track-card {
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(45, 90, 39, 0.08);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.track-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.track-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

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

.track-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.track-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.track-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.track-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.track-tags span {
    padding: 4px 12px;
    background: rgba(45, 90, 39, 0.08);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

/* ============================================
   SCHEDULE SECTION
   ============================================ */
.schedule {
    padding: var(--space-3xl) 0;
}

.schedule-timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.schedule-timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
}

.timeline-item {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 114px;
    top: 8px;
    width: 14px;
    height: 14px;
    background: var(--color-white);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    z-index: 1;
}

.timeline-item.highlight::before {
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(232, 112, 58, 0.2);
}

.time-block {
    text-align: right;
}

.time {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.duration {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.timeline-content {
    padding: var(--space-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.timeline-item.highlight .timeline-content {
    background: linear-gradient(135deg, rgba(232, 112, 58, 0.08), rgba(123, 45, 91, 0.05));
    border: 1px solid rgba(232, 112, 58, 0.2);
}

.timeline-content h3 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    padding: var(--space-3xl) 0;
    background: var(--color-cream-dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.faq-item {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.faq-item p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* ============================================
   REGISTRATION SECTION
   ============================================ */
.register {
    padding: var(--space-3xl) 0;
    background: 
        radial-gradient(ellipse 80% 60% at 30% 100%, rgba(45, 90, 39, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 70% 0%, rgba(232, 112, 58, 0.1) 0%, transparent 50%),
        var(--color-primary);
}

.register-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.register-content h2 {
    font-size: 2rem;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.register-content > p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.register-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.register-detail {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
}

.register-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group select {
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid rgba(45, 90, 39, 0.15);
    border-radius: var(--radius-md);
    background: var(--color-cream);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 4px rgba(45, 90, 39, 0.1);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    background: var(--color-primary-dark);
    color: var(--color-white);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-brand .logo-icon {
    font-size: 2rem;
}

.footer-brand .logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-section h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.5);
}

.footer-section a {
    display: block;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xs);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-container {
        justify-content: center;
    }
    
    .nav-logo {
        flex: 1;
        justify-content: center;
    }
    
    .mobile-menu-btn {
        position: absolute;
        right: var(--space-md);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .tracks-grid {
        grid-template-columns: 1fr;
    }
    
    .register-card {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-details {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .schedule-timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 50px;
    }
    
    .timeline-item::before {
        left: 14px;
    }
    
    .time-block {
        text-align: left;
        margin-bottom: var(--space-xs);
    }
    
    .partners-logos {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .partner-divider {
        width: 40px;
        height: 1px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .navbar {
        width: calc(100% - var(--space-md) * 2);
        top: var(--space-xs);
    }
    
    .nav-container {
        padding: var(--space-xs) var(--space-sm);
    }
    
    .float-item {
        font-size: 1.5rem;
        opacity: 0.4;
    }
    
    .register-card {
        padding: var(--space-lg);
    }
}

/* ============================================
   ANIMATIONS & EFFECTS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth page transitions */
section {
    opacity: 0;
    transform: translateY(30px);
    animation: sectionFadeIn 0.8s ease-out forwards;
}

section:nth-child(1) { animation-delay: 0s; }
section:nth-child(2) { animation-delay: 0.1s; }
section:nth-child(3) { animation-delay: 0.15s; }
section:nth-child(4) { animation-delay: 0.2s; }
section:nth-child(5) { animation-delay: 0.25s; }
section:nth-child(6) { animation-delay: 0.3s; }
section:nth-child(7) { animation-delay: 0.35s; }

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

/* Special hover states */
.track-card:nth-child(1) .track-icon { animation: bounce 2s ease-in-out infinite 0s; }
.track-card:nth-child(2) .track-icon { animation: bounce 2s ease-in-out infinite 0.5s; }
.track-card:nth-child(3) .track-icon { animation: bounce 2s ease-in-out infinite 1s; }
.track-card:nth-child(4) .track-icon { animation: bounce 2s ease-in-out infinite 1.5s; }

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}