/* Celia Maqâm — thème "Sillon" (3/3) : scène de vinyle interactive en 3D */

:root {
  --ink: #0F0D0C;
  --ink-panel: #1A1613;
  --bone: #EDE6D6;
  --bone-dim: rgba(237, 230, 214, 0.65);
  --accent: #D97A45;
  --accent-soft: #8C3D1E;
  --sea: #47989A;
  --border: rgba(237, 230, 214, 0.12);

  --font-display: "Fraunces", serif;
  --font-body: "Manrope", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --space-2: 16px; --space-3: 24px; --space-4: 32px;
  --space-5: 48px; --space-6: 64px; --space-7: 96px;

  --max-w: 1100px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; margin: 0; color: var(--bone); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.bg-grain {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--bone-dim);
  text-decoration: none;
  background: var(--ink-panel);
  border: 1px solid var(--border);
  padding: 7px 12px;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 160ms ease, border-color 160ms ease;
}
.back-link:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3);
  height: 76px; padding: 0 var(--space-4);
  background: linear-gradient(180deg, var(--ink) 60%, transparent);
}
.nav__mark { margin-right: auto; margin-left: var(--space-2); font-family: var(--font-display); font-style: italic; font-weight: 600; font-size: 1.3rem; color: var(--bone); text-decoration: none; }
.nav__links { display: flex; align-items: center; gap: var(--space-4); }
.nav__links a { color: var(--bone-dim); text-decoration: none; font-size: 0.9rem; }
.nav__links a:not(.nav__cta):hover { color: var(--bone); }
.nav__cta { color: var(--ink) !important; background: var(--accent); padding: 0.5rem 1.05rem; border-radius: 4px; font-weight: 600; }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 22px; height: 2px; background: var(--bone); }

/* ---------- Hero : scène 3D ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-6) var(--space-4);
  max-width: 1300px;
  margin: 0 auto;
  perspective: 1400px;
}
.hero__scene {
  position: absolute;
  right: 4%;
  top: 50%;
  width: min(480px, 46vw);
  transform: translateY(-50%);
  transform-style: preserve-3d;
  will-change: transform;
}
.vinyl { position: relative; transform-style: preserve-3d; filter: drop-shadow(0 40px 60px rgba(0,0,0,0.55)); }
.vinyl__spin {
  width: 100%; aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #2b2420, #0a0807 70%);
  position: relative;
  animation: spin 14s linear infinite;
}
.vinyl__groove {
  position: absolute; inset: 6%;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle, rgba(237,230,214,0.05) 0px, rgba(237,230,214,0.05) 1px, transparent 2px, transparent 7px);
}
.vinyl__label {
  position: absolute; inset: 32%;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.vinyl__label img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.75) contrast(1.1); mix-blend-mode: luminosity; }
.vinyl__label-tint { position: absolute; inset: 0; background: radial-gradient(circle, transparent 30%, var(--ink) 100%); }
.vinyl__label-text {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--bone);
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  padding: 0 12%;
}
@keyframes spin { to { transform: rotate(360deg); } }
.vinyl__tonearm {
  position: absolute;
  top: -6%; right: -14%;
  width: 46%; height: 46%;
  border-top: 3px solid var(--bone-dim);
  border-right: 3px solid var(--bone-dim);
  border-top-right-radius: 60% 60%;
  transform: rotate(18deg);
  transform-origin: top right;
}

.hero__content { position: relative; max-width: 560px; z-index: 1; }
.kicker { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin: 0 0 var(--space-2); }
.hero__title { font-size: clamp(3.2rem, 8vw, 6.2rem); font-weight: 600; line-height: 0.96; margin-bottom: var(--space-3); }
.hero__sub { font-size: 1.1rem; font-style: italic; color: var(--bone-dim); max-width: 44ch; margin: 0 0 var(--space-3); }
.hero__source { font-family: var(--font-mono); font-style: normal; font-size: 0.78rem; }
.hero__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); }

/* ---------- Waveform ambiant ---------- */
.waveform { display: flex; align-items: flex-end; gap: 4px; height: 28px; }
.waveform span {
  width: 3px; background: var(--accent); border-radius: 2px;
  animation: wave 1.2s ease-in-out infinite;
}
.waveform span:nth-child(odd) { background: var(--sea); }
.waveform span:nth-child(1) { height: 40%; animation-delay: 0s; }
.waveform span:nth-child(2) { height: 70%; animation-delay: 0.1s; }
.waveform span:nth-child(3) { height: 100%; animation-delay: 0.2s; }
.waveform span:nth-child(4) { height: 55%; animation-delay: 0.3s; }
.waveform span:nth-child(5) { height: 85%; animation-delay: 0.4s; }
.waveform span:nth-child(6) { height: 45%; animation-delay: 0.5s; }
.waveform span:nth-child(7) { height: 90%; animation-delay: 0.6s; }
.waveform span:nth-child(8) { height: 60%; animation-delay: 0.7s; }
.waveform span:nth-child(9) { height: 75%; animation-delay: 0.8s; }
.waveform span:nth-child(10) { height: 35%; animation-delay: 0.9s; }
@keyframes wave { 0%, 100% { transform: scaleY(0.5); } 50% { transform: scaleY(1); } }

.scroll-cue {
  position: absolute; bottom: var(--space-3); left: var(--space-4);
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bone-dim);
}
.scroll-cue span { width: 28px; height: 1px; background: linear-gradient(90deg, var(--accent), transparent); animation: cue-pulse 1.8s ease-in-out infinite; }
@keyframes cue-pulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ---------- Boutons ---------- */
.btn { display: inline-block; font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; text-decoration: none; padding: 0.9rem 1.9rem; border-radius: 4px; transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 100ms ease; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: var(--ink); }
.btn--primary:hover { background: var(--sea); }
.btn--ghost { background: transparent; color: var(--bone); border: 1px solid var(--border); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Sections ---------- */
main { position: relative; z-index: 1; }
.section { max-width: var(--max-w); margin: 0 auto; padding: var(--space-7) var(--space-4); }
.center { text-align: center; }
.section h2.center, .section > p.center { max-width: 46ch; margin-left: auto; margin-right: auto; }

/* ---------- Bio ---------- */
.bio { display: grid; grid-template-columns: 6fr 6fr; gap: var(--space-6); align-items: center; }
.bio__text h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin: var(--space-1, 8px) 0 var(--space-3); }
.bio__text p { color: var(--bone-dim); margin: 0 0 var(--space-2); }
.bio__text p.body-lg { font-size: 1.05rem; color: var(--bone); }
.bio__photo { border: 1px solid var(--border); border-radius: 4px; padding: 10px; background: var(--ink-panel); max-width: 340px; margin: 0 auto; }
.bio__photo img { width: 100%; border-radius: 2px; filter: none; }
.bio__photo figcaption { font-family: var(--font-mono); font-size: 0.7rem; color: var(--bone-dim); text-align: center; margin-top: var(--space-2); }

/* ---------- Musique ---------- */
.section h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin: var(--space-1, 8px) auto var(--space-5); }
.tracks { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-5); }
.track-card { background: var(--ink-panel); border: 1px solid var(--border); border-radius: 8px; padding: var(--space-4); }
.track-card__date { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); }
.track-card--sea .track-card__date { color: var(--sea); }
.track-card h3 { font-size: 1.3rem; margin: var(--space-2) 0; }
.track-card__sub { font-weight: 400; font-style: italic; color: var(--bone-dim); font-size: 1rem; }
.track-card p { margin: 0; color: var(--bone-dim); font-size: 0.95rem; }
.musique__note { font-family: var(--font-mono); font-size: 0.8rem; color: var(--bone-dim); }

/* ---------- Filmstrip presse (drag-scroll) ---------- */
.filmstrip__hint { font-family: var(--font-mono); font-size: 0.72rem; color: var(--bone-dim); }
.filmstrip {
  display: flex; gap: var(--space-3);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: var(--space-3) 0 var(--space-4);
  margin: var(--space-3) 0 var(--space-5);
  cursor: grab;
  scrollbar-width: thin;
}
.filmstrip.is-dragging { cursor: grabbing; scroll-snap-type: none; user-select: none; }
.filmstrip::-webkit-scrollbar { height: 6px; }
.filmstrip::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
.sleeve {
  flex: 0 0 240px;
  scroll-snap-align: start;
  background: var(--ink-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-3);
}
.sleeve__tag { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); }
.sleeve h3 { font-size: 1rem; margin: var(--space-2) 0 6px; }
.sleeve p { margin: 0; color: var(--bone-dim); font-size: 0.85rem; }

.stats { display: flex; justify-content: center; gap: var(--space-7); flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat__number { font-family: var(--font-mono); font-weight: 500; font-size: clamp(2rem, 4vw, 2.8rem); color: var(--accent); }
.stat:nth-child(even) .stat__number { color: var(--sea); }
.stat__label { font-size: 0.85rem; color: var(--bone-dim); }

/* ---------- Fiche technique ---------- */
.rider__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.rider__item { border-top: 2px solid var(--accent); padding-top: var(--space-2); font-size: 0.9rem; color: var(--bone-dim); }
.rider__item:nth-child(even) { border-top-color: var(--sea); }
.rider__label { display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--bone); margin-bottom: 6px; }

/* ---------- Booking ---------- */
.booking__card { max-width: 400px; margin: 0 auto; text-align: center; background: var(--ink-panel); border: 1px solid var(--border); border-radius: 8px; padding: var(--space-4); }
.booking__card p { margin: 0 0 8px; }
.booking__card a:hover { color: var(--sea); }

/* ---------- Footer ---------- */
.footer { max-width: var(--max-w); margin: 0 auto; padding: var(--space-4); border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--bone-dim); display: flex; flex-direction: column; gap: var(--space-2); position: relative; z-index: 1; }
.footer__disclaimer a { color: var(--accent); }
.footer__note { font-family: var(--font-mono); font-size: 0.72rem; opacity: 0.8; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .bio { grid-template-columns: 1fr; }
  .bio__photo { order: -1; }
  .rider__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .back-link__text { display: none; }
  .back-link { padding: 7px 9px; }
  .nav__mark { font-size: 1.05rem; white-space: nowrap; }
  .hero { flex-direction: column; padding-top: var(--space-7); text-align: left; }
  .hero__scene { position: relative; right: auto; top: auto; transform: none; width: 220px; margin: 0 0 var(--space-5); }
  .nav__links {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: var(--space-2);
    background: var(--ink-panel); border-bottom: 1px solid var(--border);
    padding: var(--space-3) var(--space-4) var(--space-4);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity 200ms ease, transform 200ms ease;
  }
  .nav__links.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav__toggle { display: flex; }
  .tracks { grid-template-columns: 1fr; }
  .rider__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .vinyl__spin { animation: none; }
  .waveform span { animation: none; transform: scaleY(0.7); }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-cue span { animation: none; opacity: 0.6; }
  .hero__scene { transform: translateY(-50%) !important; }
}