/* Celia Maqâm — thème "Fondu" (1/3) : cinématique plein écran, fond fixe, révélation cinétique du texte */

:root {
  --ink: #141110;
  --ink-deep: #0D0B0A;
  --bone: #EDE6D6;
  --bone-dim: rgba(237, 230, 214, 0.68);
  --accent: #D97A45;
  --accent-soft: #8C3D1E;
  --sea: #47989A;
  --glass-bg: rgba(20, 17, 16, 0.58);
  --glass-border: rgba(237, 230, 214, 0.14);

  --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;
}
img, svg { 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; }

/* ---------- Fond fixe : photo + overlay + grain ---------- */
.bg-fixed {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image: url("../../img/hero-fondu.jpg");
  background-size: cover;
  background-position: 65% 30%;
  animation: kenburns 24s ease-in-out infinite alternate;
}
@keyframes kenburns {
  from { transform: scale(1); }
  to { transform: scale(1.09); }
}
.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(13,11,10,0.55) 0%, rgba(13,11,10,0.72) 55%, rgba(13,11,10,0.92) 100%),
    linear-gradient(90deg, rgba(13,11,10,0.75) 0%, rgba(13,11,10,0.25) 55%, rgba(13,11,10,0.6) 100%);
}
.bg-grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.06;
  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");
}
#glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  mix-blend-mode: screen;
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--bone-dim);
  text-decoration: none;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 7px 12px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  transition: color 160ms ease, border-color 160ms ease;
  white-space: nowrap;
}
.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);
}
.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; transition: color 160ms ease; }
.nav__links a:not(.nav__cta):hover { color: var(--bone); }
.nav__cta {
  color: var(--ink-deep) !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); }

/* ---------- Panels (scroll-snap) ---------- */
#scroller { position: relative; z-index: 1; }
.panel {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-6) var(--space-4);
  max-width: var(--max-w);
  margin: 0 auto;
}
.panel--hero { align-items: flex-start; position: relative; }
.panel--footer { min-height: auto; padding-bottom: var(--space-5); }

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: var(--space-5);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.center { text-align: center; }

/* ---------- Typo & kicker ---------- */
.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(3.4rem, 9vw, 7rem); font-weight: 600; line-height: 0.95; margin-bottom: var(--space-3); }
.hero__title .split-line { display: block; }
.hero__sub { font-size: 1.15rem; font-style: italic; color: var(--bone-dim); max-width: 46ch; margin: 0 0 var(--space-4); }
.hero__source { font-family: var(--font-mono); font-style: normal; font-size: 0.8rem; }
.hero__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.panel h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom: var(--space-3); }
section.panel > .kicker.center, .panel h2.center { margin-left: auto; margin-right: auto; }
.panel--musique h2, .panel--live h2, .panel--rider h2, .panel--booking h2 { max-width: 46ch; margin-left: auto; margin-right: auto; }

.scroll-cue {
  position: absolute;
  bottom: var(--space-4);
  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-deep); }
.btn--primary:hover { background: var(--sea); }
.btn--ghost { background: transparent; color: var(--bone); border: 1px solid var(--glass-border); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Contenu texte ---------- */
.body-lg { font-size: 1.05rem; color: var(--bone); }
.panel--bio p, .panel--rider .rider__item, .booking__card p { color: var(--bone-dim); }
.panel--bio p.body-lg { color: var(--bone); }

/* ---------- Musique ---------- */
.tracks { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-4); }
.track-card { 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: 1.25rem; margin: var(--space-2) 0 var(--space-2); color: var(--bone); }
.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); }

/* ---------- Live & presse ---------- */
.press-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-bottom: var(--space-5); }
.press-item { padding: var(--space-3); }
.press-item__tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}
.press-item h3 { font-size: 1.02rem; margin: var(--space-2) 0 6px; color: var(--bone); }
.press-item p { margin: 0; color: var(--bone-dim); font-size: 0.86rem; }

.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, 2.6rem); color: var(--accent); }
.stat:nth-child(even) .stat__number { color: var(--sea); }
.stat__label { font-size: 0.82rem; color: var(--bone-dim); }

/* ---------- Fiche technique ---------- */
.rider__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-top: 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: var(--space-3) auto 0; }
.booking__card p { margin: 0 0 8px; }
.booking__card a:hover { color: var(--sea); }

/* ---------- Footer ---------- */
.panel--footer .glass { font-size: 0.82rem; color: var(--bone-dim); }
.footer__disclaimer a { color: var(--accent); }
.footer__note { display: block; margin-top: var(--space-2); font-family: var(--font-mono); font-size: 0.72rem; opacity: 0.8; }

/* ---------- Split reveal (kinetic type) ---------- */
.split-words .word, .split-line, .split.line-el {
  display: inline-block;
  opacity: 0;
  filter: blur(6px);
  transform: translateY(16px);
  transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo), filter 700ms var(--ease-out-expo);
}
.hero__title .split-line { transform: translateY(28px); }
.kicker.split, p.split, .stats.split, .tracks .split, .rider__grid.split, .booking__card.split {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 800ms var(--ease-out-expo), transform 800ms var(--ease-out-expo);
}
.is-visible.split-words .word, .is-visible.split-line, .is-visible.split { opacity: 1; transform: translateY(0); filter: blur(0); }
.glass.split { opacity: 0; transform: translateY(18px); transition: opacity 800ms var(--ease-out-expo), transform 800ms var(--ease-out-expo); }
.glass.split.is-visible { opacity: 1; transform: translateY(0); }
.track-card.split, .press-item.split { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo); }
.track-card.split.is-visible, .press-item.split.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .press-list { grid-template-columns: repeat(2, 1fr); }
  .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; }
  .nav__links {
    position: absolute;
    top: 76px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--glass-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; }
  .glass { padding: var(--space-4); }
  .tracks { grid-template-columns: 1fr; }
  .press-list { grid-template-columns: 1fr; }
  .rider__grid { grid-template-columns: 1fr; }
  .stats { gap: var(--space-5); }
}

/* ---------- Réduction de mouvement ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bg-fixed { animation: none; }
  .split-words .word, .split-line, .split, .glass.split, .track-card.split, .press-item.split {
    opacity: 1; transform: none; filter: none; transition: none;
  }
  .scroll-cue span { animation: none; opacity: 0.6; }
  #glow { display: none; }
}