/* ═══════════════════════════════════════════
   CAVE CLUB × UNITE PARADE 2026
   Design System & Global Styles
   ═══════════════════════════════════════════ */

:root {
    --black: #0a0a0a;
    --black-soft: #111111;
    --black-card: #141414;
    --gray-dark: #1a1a1a;
    --gray: #2a2a2a;
    --gray-mid: #555;
    --gray-light: #888;
    --white: #f5f5f5;
    --white-pure: #ffffff;
    --yellow: #ffd000;
    --yellow-bright: #ffe234;
    --yellow-dim: #b8950a;
    --yellow-glow: rgba(255, 208, 0, 0.4);
    --yellow-glow-strong: rgba(255, 208, 0, 0.7);
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Outfit', 'Inter', sans-serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--yellow); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--yellow-bright); }

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

/* ═══════════════════════════════════════════
   AUDIO BUTTON
   ═══════════════════════════════════════════ */
.audio-btn {
    position: fixed; top: 1.5rem; right: 1.5rem; z-index: 1000;
    display: flex; align-items: center; gap: 0.5rem;
    background: rgba(10,10,10,0.7); backdrop-filter: blur(12px);
    border: 1px solid rgba(255,208,0,0.2); border-radius: 50px;
    padding: 0.6rem 1.2rem; cursor: pointer;
    color: var(--yellow); font-family: var(--font-body);
    font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em;
    transition: all 0.4s var(--ease-out);
}
.audio-btn:hover { background: rgba(255,208,0,0.1); border-color: var(--yellow); }
.audio-btn svg { width: 18px; height: 18px; }
.audio-btn.muted .audio-wave-1, .audio-btn.muted .audio-wave-2 { opacity: 0.2; }
.audio-btn.playing .audio-wave-1 { animation: audioWave 1s ease-in-out infinite; }
.audio-btn.playing .audio-wave-2 { animation: audioWave 1s ease-in-out infinite 0.2s; }

@keyframes audioWave {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ═══════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════ */
.hero {
    position: relative; min-height: 100vh; display: flex;
    align-items: center; justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute; inset: 0;
    background: var(--black); /* fallback */
}

.hero-video {
    position: absolute;
    top: 50%; left: 50%;
    min-width: 100%; min-height: 100%;
    width: auto; height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(180deg,
        rgba(5,5,5,0.82) 0%,
        rgba(5,5,5,0.65) 35%,
        rgba(5,5,5,0.6) 55%,
        rgba(5,5,5,0.85) 100%
    );
}

.noise-overlay {
    position: absolute; inset: 0; opacity: 0.03; z-index: 2;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-size: 128px;
}

.scan-line {
    position: absolute; inset: 0; pointer-events: none; z-index: 2;
    background: repeating-linear-gradient(
        0deg, transparent, transparent 2px,
        rgba(255,208,0,0.015) 2px, rgba(255,208,0,0.015) 4px
    );
    animation: scanMove 8s linear infinite;
}

@keyframes scanMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

.hero-content {
    position: relative; z-index: 10;
    display: flex; flex-direction: column; align-items: center;
    text-align: center; padding: 2rem;
    animation: heroFadeIn 1.5s var(--ease-out) forwards;
    opacity: 0;
}

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

.hero-badge {
    display: flex; align-items: center; gap: 1rem;
    margin-bottom: 2rem;
    font-family: var(--font-body); font-size: 0.75rem;
    font-weight: 600; letter-spacing: 0.3em;
    color: var(--yellow); text-transform: uppercase;
    animation: heroFadeIn 1.5s var(--ease-out) 0.2s forwards;
    opacity: 0;
}

.badge-line { width: 40px; height: 1px; background: var(--yellow); opacity: 0.5; }

.hero-logo-wrapper {
    margin-bottom: 2rem;
    animation: heroFadeIn 1.5s var(--ease-out) 0.4s forwards;
    opacity: 0;
}

.hero-logo {
    width: 220px; height: auto;
    filter: drop-shadow(0 0 30px var(--yellow-glow))
            drop-shadow(0 0 60px rgba(255,208,0,0.15));
    animation: logoPulse 4s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { filter: drop-shadow(0 0 30px var(--yellow-glow)) drop-shadow(0 0 60px rgba(255,208,0,0.15)); }
    50% { filter: drop-shadow(0 0 50px var(--yellow-glow-strong)) drop-shadow(0 0 100px rgba(255,208,0,0.25)); }
}

.hero-title {
    font-family: var(--font-display);
    line-height: 0.85; margin-bottom: 1.5rem;
    animation: heroFadeIn 1.5s var(--ease-out) 0.6s forwards;
    opacity: 0;
}

.title-line { display: block; }
.title-line-1 {
    font-size: clamp(3rem, 10vw, 7rem);
    color: var(--white);
    letter-spacing: 0.15em;
    text-shadow: 0 2px 8px rgba(0,0,0,0.9), 0 0 30px rgba(0,0,0,0.5);
}
.title-line-2 {
    font-size: clamp(4rem, 15vw, 10rem);
    color: var(--yellow);
    text-shadow: 0 0 40px var(--yellow-glow), 0 0 80px rgba(255,208,0,0.15), 0 2px 10px rgba(0,0,0,0.9);
    letter-spacing: 0.05em;
}

.hero-subtitle {
    font-family: var(--font-body); font-size: 1.1rem;
    font-weight: 400; letter-spacing: 0.3em;
    color: var(--white); margin-bottom: 2.5rem;
    text-shadow: 0 1px 6px rgba(0,0,0,0.9), 0 0 20px rgba(0,0,0,0.5);
    animation: heroFadeIn 1.5s var(--ease-out) 0.8s forwards;
    opacity: 0;
}

/* ═══════════════════════════════════════════
   COUNTDOWN
   ═══════════════════════════════════════════ */
.countdown {
    display: flex; align-items: center; gap: 0.5rem;
    margin-bottom: 3rem;
    animation: heroFadeIn 1.5s var(--ease-out) 1s forwards;
    opacity: 0;
}

.countdown-item { text-align: center; }

.countdown-number {
    display: block;
    font-family: var(--font-display); font-size: clamp(2.5rem, 7vw, 4.5rem);
    color: var(--yellow); line-height: 1;
    text-shadow: 0 0 20px var(--yellow-glow);
    min-width: 70px;
}

.countdown-label {
    display: block; font-size: 0.6rem;
    font-weight: 600; letter-spacing: 0.2em;
    color: var(--gray-light); margin-top: 0.3rem;
}

.countdown-separator {
    font-family: var(--font-display); font-size: 3rem;
    color: var(--yellow); opacity: 0.4;
    animation: blink 1s ease-in-out infinite;
    margin-top: -1rem;
}

@keyframes blink {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.1; }
}

/* ═══════════════════════════════════════════
   CTA BUTTON
   ═══════════════════════════════════════════ */
.cta-btn {
    position: relative; display: inline-block;
    padding: 1.1rem 3rem;
    background: var(--yellow); color: var(--black);
    font-family: var(--font-body); font-size: 0.9rem;
    font-weight: 700; letter-spacing: 0.2em;
    text-transform: uppercase; text-decoration: none;
    border: none; border-radius: 4px;
    cursor: pointer; overflow: hidden;
    transition: all 0.4s var(--ease-out);
    animation: heroFadeIn 1.5s var(--ease-out) 1.2s forwards;
    opacity: 0;
}

.cta-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 10px 40px var(--yellow-glow), 0 0 80px rgba(255,208,0,0.2);
    color: var(--black);
}

.cta-glow {
    position: absolute; top: 50%; left: 50%;
    width: 120%; height: 120%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse, var(--yellow-glow) 0%, transparent 70%);
    opacity: 0; transition: opacity 0.4s;
    pointer-events: none;
}

.cta-btn:hover .cta-glow { opacity: 0.5; }

.cta-btn-secondary {
    background: transparent; color: var(--yellow);
    border: 2px solid var(--yellow);
}
.cta-btn-secondary:hover {
    background: var(--yellow); color: var(--black);
}

/* ═══════════════════════════════════════════
   SCROLL INDICATOR
   ═══════════════════════════════════════════ */
.scroll-indicator {
    position: absolute; bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    color: var(--gray-mid); font-size: 0.6rem;
    letter-spacing: 0.3em; font-weight: 600;
    animation: fadeInUp 1.5s var(--ease-out) 2s forwards;
    opacity: 0;
}

.scroll-mouse {
    width: 24px; height: 38px;
    border: 2px solid var(--gray-mid); border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 3px; height: 8px;
    background: var(--yellow); border-radius: 2px;
    position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ═══════════════════════════════════════════
   SECTIONS (GLOBAL)
   ═══════════════════════════════════════════ */
.section { padding: 6rem 0; position: relative; }

.section-container {
    max-width: 1200px; margin: 0 auto; padding: 0 2rem;
}

.section-header {
    text-align: center; margin-bottom: 4rem;
}

.section-tag {
    font-size: 0.7rem; font-weight: 600;
    letter-spacing: 0.3em; color: var(--yellow);
    text-transform: uppercase; display: block;
    margin-bottom: 0.8rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5rem);
    color: var(--white); letter-spacing: 0.05em;
    line-height: 1;
}
.section-title .accent { color: var(--yellow); }

.section-line {
    width: 60px; height: 3px;
    background: var(--yellow);
    margin: 1.5rem auto 0;
    box-shadow: 0 0 10px var(--yellow-glow);
}

/* ═══════════════════════════════════════════
   LINEUP SECTION
   ═══════════════════════════════════════════ */
.lineup-section { background: var(--black-soft); }

.lineup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.dj-card {
    position: relative; border-radius: 12px;
    overflow: hidden; cursor: pointer;
    transition: transform 0.5s var(--ease-out);
}
.dj-card:hover { transform: translateY(-8px); }

.dj-card-inner {
    position: relative;
    background: var(--black-card);
    border: 1px solid rgba(255,208,0,0.08);
    border-radius: 12px; overflow: hidden;
    padding: 2rem; text-align: center;
    transition: border-color 0.4s;
}
.dj-card:hover .dj-card-inner { border-color: rgba(255,208,0,0.3); }

.dj-card-glow {
    position: absolute; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,208,0,0.05) 0%, transparent 50%);
    opacity: 0; transition: opacity 0.4s;
}
.dj-card:hover .dj-card-glow { opacity: 1; }

.dj-image-wrapper {
    width: 120px; height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%; overflow: hidden;
    border: 2px solid rgba(255,208,0,0.15);
    display: flex; align-items: center; justify-content: center;
    background: var(--gray-dark);
    transition: border-color 0.4s;
}
.dj-card:hover .dj-image-wrapper { border-color: var(--yellow); }

.dj-placeholder {
    display: flex; align-items: center; justify-content: center;
}
.dj-placeholder svg {
    width: 48px; height: 48px;
    color: var(--yellow); opacity: 0.4;
    animation: spin 20s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.dj-tag {
    display: inline-block;
    font-size: 0.6rem; font-weight: 700;
    letter-spacing: 0.2em; color: var(--black);
    background: var(--yellow); padding: 0.2rem 0.8rem;
    border-radius: 20px; margin-bottom: 0.8rem;
}

.dj-name {
    font-family: var(--font-display);
    font-size: 1.8rem; letter-spacing: 0.05em;
    color: var(--white); margin-bottom: 0.3rem;
}

.dj-genre { font-size: 0.8rem; color: var(--gray-light); font-weight: 300; }

.dj-card-featured .dj-card-inner {
    border-color: rgba(255,208,0,0.2);
    background: linear-gradient(180deg, rgba(255,208,0,0.03) 0%, var(--black-card) 100%);
}
.dj-card-featured .dj-image-wrapper { border-color: var(--yellow); }

.lineup-note {
    text-align: center; margin-top: 3rem;
    color: var(--gray-light); font-size: 0.9rem;
    font-weight: 300; letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════
   EVENT INFO SECTION
   ═══════════════════════════════════════════ */
.info-section { background: var(--black); }

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.info-card {
    background: var(--black-card);
    border: 1px solid rgba(255,208,0,0.08);
    border-radius: 12px; padding: 2rem;
    text-align: center;
    transition: all 0.4s var(--ease-out);
}
.info-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255,208,0,0.25);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3), 0 0 20px rgba(255,208,0,0.05);
}

.info-icon {
    margin-bottom: 1.2rem;
}
.info-icon svg {
    width: 36px; height: 36px;
    color: var(--yellow);
    transition: transform 0.4s var(--ease-spring);
}
.info-card:hover .info-icon svg { transform: scale(1.15); }

.info-label {
    font-size: 0.65rem; font-weight: 700;
    letter-spacing: 0.25em; color: var(--yellow);
    margin-bottom: 0.6rem;
}

.info-value {
    font-family: var(--font-display);
    font-size: 1.6rem; color: var(--white);
    letter-spacing: 0.03em; margin-bottom: 0.3rem;
}

.info-sub { font-size: 0.8rem; color: var(--gray-light); font-weight: 300; }

.info-cta-area {
    text-align: center; margin-top: 3rem;
}
.info-cta-area .cta-btn { animation: none; opacity: 1; }

.info-contact {
    margin-top: 1.5rem; font-size: 0.85rem;
    color: var(--gray-light);
}

/* ═══════════════════════════════════════════
   GALLERY SLIDESHOW (Fullscreen Crossfade)
   ═══════════════════════════════════════════ */
.gallery-section {
    background: var(--black-soft);
    padding-bottom: 0;
    overflow: hidden;
}

.slideshow {
    position: relative;
    width: 100%;
    height: 80vh;
    min-height: 500px;
    overflow: hidden;
}

.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    will-change: opacity, transform;
    animation: kenBurnsBase 20s ease-in-out infinite alternate;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10,10,10,0.5) 0%,
        transparent 30%,
        transparent 60%,
        rgba(10,10,10,0.7) 100%
    );
}

@keyframes kenBurnsBase {
    0%   { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.12) translate(-1.5%, -1%); }
}

/* Alternate Ken Burns directions per slide */
.slide:nth-child(2) { animation-name: kenBurns2; }
.slide:nth-child(3) { animation-name: kenBurns3; }
.slide:nth-child(4) { animation-name: kenBurns4; }
.slide:nth-child(5) { animation-name: kenBurns5; }
.slide:nth-child(6) { animation-name: kenBurns6; }
.slide:nth-child(7) { animation-name: kenBurns7; }

@keyframes kenBurns2 { 0% { transform: scale(1.05) translate(1%, 0); } 100% { transform: scale(1) translate(-1%, 1.5%); } }
@keyframes kenBurns3 { 0% { transform: scale(1) translate(0, 0); } 100% { transform: scale(1.15) translate(2%, -1%); } }
@keyframes kenBurns4 { 0% { transform: scale(1.1) translate(-1%, 1%); } 100% { transform: scale(1) translate(1%, -1%); } }
@keyframes kenBurns5 { 0% { transform: scale(1) translate(0, 1%); } 100% { transform: scale(1.1) translate(-2%, 0); } }
@keyframes kenBurns6 { 0% { transform: scale(1.05) translate(0, -1%); } 100% { transform: scale(1.15) translate(1%, 1%); } }
@keyframes kenBurns7 { 0% { transform: scale(1.1) translate(1%, 0); } 100% { transform: scale(1) translate(-1%, -1.5%); } }

.slide-caption {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    z-index: 2;
    opacity: 0;
    transition: all 0.8s var(--ease-out) 0.4s;
}

.slide.active .slide-caption {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.slide-caption span {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 3rem);
    color: var(--yellow);
    letter-spacing: 0.15em;
    text-shadow: 0 0 30px rgba(255, 208, 0, 0.3), 0 2px 10px rgba(0,0,0,0.8);
}

.slide-dots {
    position: absolute;
    bottom: 1.2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    gap: 0.5rem;
}

.slide-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slide-dot.active {
    background: var(--yellow);
    border-color: var(--yellow);
    box-shadow: 0 0 8px var(--yellow-glow);
    transform: scale(1.3);
}

/* ═══════════════════════════════════════════
   LIGHTBOX
   ═══════════════════════════════════════════ */
.lightbox {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.95); backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: all 0.4s var(--ease-out);
}
.lightbox.active { opacity: 1; visibility: visible; }

.lightbox-img {
    max-width: 90vw; max-height: 85vh;
    object-fit: contain; border-radius: 4px;
    transform: scale(0.9); transition: transform 0.4s var(--ease-out);
}
.lightbox.active .lightbox-img { transform: scale(1); }

.lightbox-close {
    position: absolute; top: 1.5rem; right: 1.5rem;
    background: none; border: none;
    color: var(--white); font-size: 2.5rem;
    cursor: pointer; transition: color 0.3s;
    line-height: 1;
}
.lightbox-close:hover { color: var(--yellow); }

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
    background: var(--black);
    border-top: 1px solid rgba(255,208,0,0.1);
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px; margin: 0 auto;
    text-align: center;
}

.footer-logo-img {
    width: 80px; margin: 0 auto 1.5rem;
    opacity: 0.6; transition: opacity 0.3s;
}
.footer-logo-img:hover { opacity: 1; }

.footer-links {
    display: flex; justify-content: center;
    gap: 0.8rem; margin-bottom: 1.2rem;
    font-size: 0.85rem;
}
.footer-divider { color: var(--gray); }

.footer-copy {
    font-size: 0.75rem; color: var(--gray-mid);
    margin-bottom: 0.5rem;
}
.footer-credit {
    font-size: 0.7rem; color: var(--gray);
    letter-spacing: 0.1em;
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════ */
.reveal {
    opacity: 0; transform: translateY(40px);
    transition: all 0.8s var(--ease-out);
}
.reveal.visible {
    opacity: 1; transform: translateY(0);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
    .hero-logo { width: 160px; }
    .countdown { gap: 0.3rem; }
    .countdown-number { font-size: 2rem; min-width: 50px; }
    .countdown-separator { font-size: 2rem; }
    .cta-btn { padding: 0.9rem 2rem; font-size: 0.8rem; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
    .gallery-item-large { grid-column: span 2; }
    .section { padding: 4rem 0; }
    .audio-btn .audio-label { display: none; }
    .audio-btn { padding: 0.6rem; }
}

@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
    .gallery-item-large { grid-column: span 1; }
    .hero-badge { font-size: 0.6rem; gap: 0.5rem; }
    .badge-line { width: 20px; }
    .info-grid { grid-template-columns: 1fr 1fr; }
}