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

/* ───────────────────────── TOKENS ─────────────────────────
   Même direction que la v1 : fond cyan pâle, rose / jaune / bleu,
   dégradé signature jaune → rose → bleu.                       */
:root {
  --pink: #f0507a;
  --yellow: #f5b731;
  --blue: #3271a1;
  --blue-soft: #5b9fd4;
  --bg: #cffaf8;
  --grad: linear-gradient(135deg, #f5b731, #f0507a, #5b9fd4);

  /* ton clair (par défaut) */
  --text: #b8407f;
  /* rose-magenta, plus lisible que #e27fe2 sur cyan */
  --text-dim: #d3668f;
  --muted: rgba(50, 113, 161, .75);
  --line: rgba(240, 80, 122, .16);
  --glass: rgba(255, 255, 255, .38);
  --glass-strong: rgba(255, 255, 255, .55);
  --heading: #e09a12;

  --radius: 22px;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --fade: 1.2s ease;
}

/* ton sombre : appliqué quand la couleur du morceau est foncée */
body[data-tone="dark"] {
  --text: #fde4ee;
  --text-dim: rgba(253, 228, 238, .72);
  --muted: rgba(207, 250, 248, .7);
  --line: rgba(255, 255, 255, .14);
  --glass: rgba(255, 255, 255, .08);
  --glass-strong: rgba(255, 255, 255, .14);
  --heading: var(--yellow);
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Manrope', system-ui, sans-serif;
  font-weight: 400;
  overflow-x: clip;
  min-height: 100vh;
  transition: background-color var(--fade), color var(--fade);
  -webkit-font-smoothing: antialiased;
}

/* les deux calques de bruit en fondu (v1) */
.noise {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  z-index: 0;
}

main,
.footer,
.nav {
  position: relative;
  z-index: 1;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
}

::selection {
  background: var(--pink);
  color: #fff;
}

/* arrivée depuis l'accueil : le voile de couleur se dissout en fondu */
html.from-home body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--grad);
  pointer-events: none;
  animation: veilOut 1.4s .1s ease forwards;
}

@keyframes veilOut {
  to { opacity: 0; visibility: hidden; }
}

/* ───────────────────────── CURSOR ───────────────────────── */
.cursor,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 50%;
  display: none;
  z-index: 9999;
}

.cursor {
  width: 7px;
  height: 7px;
  background: var(--pink);
  transform: translate(-50%, -50%);
}

.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(240, 80, 122, .5);
  transform: translate(-50%, -50%) scale(1);
  transition: transform .25s var(--ease), background .25s, border-color .25s;
}

.cursor-ring.hover {
  transform: translate(-50%, -50%) scale(1.6);
  background: rgba(240, 80, 122, .08);
  border-color: rgba(240, 80, 122, .3);
}

body.has-mouse,
body.has-mouse a,
body.has-mouse button,
body.has-mouse [role="slider"] {
  cursor: none;
}

body.has-mouse .cursor,
body.has-mouse .cursor-ring {
  display: block;
}

/* ───────────────────────── NAV ───────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem clamp(1rem, 4vw, 3rem);
  transition: background .4s, backdrop-filter .4s, padding .4s;
}

.nav.scrolled {
  background: color-mix(in srgb, var(--glass) 70%, transparent);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  padding-top: .8rem;
  padding-bottom: .8rem;
}

.logo {
  font-family: 'GFS Didot', serif;
  font-size: 1.5rem;
  letter-spacing: .18em;
  text-decoration: none;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2.25rem);
  align-items: center;
}

.nav nav a {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-dim);
  transition: color .3s;
}

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

.nav-cta {
  padding: .55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass);
}

/* ───────────────────────── SHARED ───────────────────────── */
.eyebrow {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .38em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--fade);
}

/* ───────────────────────── STAGE ───────────────────────── */
.stage {
  min-height: 100svh;
  max-width: 1320px;
  margin: 0 auto;
  padding: clamp(6rem, 12vh, 8rem) clamp(1rem, 4vw, 3rem) 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.stage-left {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  width: 100%;
  max-width: 500px;
  justify-self: center;
}

/* cover + fondu */
.cover-wrap {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
}

.cover-glow {
  position: absolute;
  inset: -12%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow, rgba(255, 255, 255, .9)) 0%, transparent 65%);
  filter: blur(30px);
  opacity: .7;
  animation: glowPulse 6s ease-in-out infinite;
  transition: background var(--fade);
  pointer-events: none;
}

@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: .55; }
  50% { transform: scale(1.08); opacity: .9; }
}

.cover {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    0 30px 60px -20px rgba(8, 25, 99, .35),
    0 0 0 1px rgba(255, 255, 255, .25) inset;
  transform: scale(.97);
  transition: transform .8s var(--ease);
}

body.is-playing .cover {
  transform: scale(1);
}

.cover-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity var(--fade);
}

.cover-layer.is-active {
  opacity: 1;
}

/* visuel généré pour les morceaux sans cover */
.cover-gen {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 12%;
  overflow: hidden;
}

.cover-gen::before {
  content: '';
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 30% 25%, var(--c2) 0%, transparent 45%),
    radial-gradient(circle at 75% 70%, var(--c3) 0%, transparent 50%),
    var(--c1);
  filter: blur(18px);
}

.cover-gen::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.cover-gen span {
  position: relative;
  z-index: 1;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: clamp(1.4rem, 3.4vw, 2.4rem);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .92);
  line-height: 1.15;
}

.cover-gen span small {
  display: block;
  margin-top: .6em;
  font-size: .45em;
  letter-spacing: .3em;
}

/* bouton play sur la cover */
.cover-play {
  position: absolute;
  right: 1.1rem;
  bottom: 1.1rem;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 12px 30px -8px rgba(240, 80, 122, .7);
  opacity: 0;
  transform: translateY(8px) scale(.92);
  transition: opacity .35s, transform .35s var(--ease);
}

.cover-wrap:hover .cover-play,
.cover-play:focus-visible {
  opacity: 1;
  transform: none;
}

.cover-play svg,
.btn-play svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.i-pause {
  display: none;
}

body.is-playing .i-play {
  display: none;
}

body.is-playing .i-pause {
  display: block;
}

/* now playing */
.now {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  min-height: 5.5rem;
}

.now-title {
  font-family: 'GFS Didot', serif;
  font-weight: 400;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.1;
  color: var(--text);
  transition: color var(--fade), opacity .4s, transform .4s var(--ease);
}

.now-title.swap {
  opacity: 0;
  transform: translateY(8px);
}

.now-tags {
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* controls */
.controls {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.progress {
  position: relative;
  height: 18px;
  display: flex;
  align-items: center;
  cursor: pointer;
  outline: none;
}

.progress-track {
  position: relative;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
  transition: height .2s;
}

.progress:hover .progress-track,
.progress:focus-visible .progress-track {
  height: 6px;
}

.progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(to right, var(--yellow), var(--pink), var(--blue-soft));
  border-radius: inherit;
}

.progress-thumb {
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .2), 0 0 0 3px var(--pink);
  transform: translate(-50%, -50%) scale(0);
  transition: transform .2s;
}

.progress:hover .progress-thumb,
.progress:focus-visible .progress-thumb,
.progress.dragging .progress-thumb {
  transform: translate(-50%, -50%) scale(1);
}

.times {
  display: flex;
  justify-content: space-between;
  font-size: .72rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
}

.buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.75rem;
  margin-top: .5rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--text-dim);
  transition: color .25s, background .25s;
}

.btn-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.btn-icon:hover {
  color: var(--pink);
  background: var(--glass);
}

.btn-play {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--yellow), var(--pink));
  box-shadow: 0 14px 30px -10px rgba(240, 80, 122, .75);
  transition: transform .25s var(--ease), box-shadow .25s;
}

.btn-play:hover {
  transform: scale(1.06);
  box-shadow: 0 18px 36px -10px rgba(240, 80, 122, .85);
}

.btn-play:active {
  transform: scale(.96);
}

/* ── right column ── */
.stage-right {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  min-width: 0;
}

.intro .eyebrow {
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 1s .2s forwards;
}

.hero-title {
  font-family: 'GFS Didot', serif;
  font-weight: 400;
  font-size: clamp(4.5rem, 10vw, 8.5rem);
  line-height: .9;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 40px rgba(240, 80, 122, .2));
  opacity: 0;
  animation: fadeUp 1s .45s forwards;
}

.espace-i {
  margin-left: .1em;
}

.hero-sub {
  margin-top: 1.1rem;
  font-family: 'GFS Didot', serif;
  font-size: .9rem;
  letter-spacing: .45em;
  text-transform: uppercase;
  color: var(--text-dim);
  opacity: 0;
  animation: fadeUp 1s .7s forwards;
  transition: color var(--fade);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* tracklist */
.tracklist {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .75rem;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  transition: background var(--fade), border-color var(--fade);
  opacity: 0;
  animation: fadeUp 1s .95s forwards;
}

.tracklist-head {
  display: flex;
  justify-content: space-between;
  padding: .6rem 1rem .9rem;
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted);
}

.tracks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.track {
  display: grid;
  grid-template-columns: 2rem 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: .7rem 1rem;
  border-radius: 14px;
  cursor: pointer;
  transition: background .3s;
  position: relative;
}

.track:hover {
  background: var(--glass-strong);
}

.track.is-current {
  background: var(--glass-strong);
}

.track:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 2px;
}

.track-num {
  font-size: .75rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  text-align: center;
  position: relative;
  height: 18px;
  display: grid;
  place-items: center;
}

/* mini égaliseur pour le titre en cours */
.eq {
  display: none;
  gap: 2px;
  align-items: flex-end;
  height: 14px;
}

.eq i {
  width: 3px;
  background: var(--pink);
  border-radius: 1px;
  height: 100%;
  transform-origin: bottom;
  animation: eq .9s ease-in-out infinite alternate;
}

.eq i:nth-child(2) { animation-delay: -.3s; }
.eq i:nth-child(3) { animation-delay: -.6s; }

@keyframes eq {
  from { transform: scaleY(.25); }
  to { transform: scaleY(1); }
}

.track.is-current .num {
  display: none;
}

.track.is-current .eq {
  display: flex;
}

body:not(.is-playing) .eq i {
  animation-play-state: paused;
}

.track-thumb {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  position: relative;
  box-shadow: 0 6px 14px -6px rgba(0, 0, 0, .35);
}

.track-thumb .cover-gen span {
  display: none;
}

.track-thumb .cover-gen::after {
  display: none;
}

.track-meta {
  min-width: 0;
}

.track-name,
.track-tags {
  display: block;
}

.track-name {
  font-weight: 600;
  font-size: .98rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
  transition: color .3s;
}

.track:hover .track-name,
.track.is-current .track-name {
  color: var(--pink);
}

body[data-tone="dark"] .track:hover .track-name,
body[data-tone="dark"] .track.is-current .track-name {
  color: var(--yellow);
}

.track-tags {
  margin-top: .15rem;
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.track-dur {
  font-size: .78rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
}

/* ───────────────────────── ABOUT ───────────────────────── */
.about {
  max-width: 1200px;
  margin: 0 auto;
  padding: 7rem clamp(1rem, 4vw, 3rem) 8rem;
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: clamp(1rem, 4vw, 3rem);
  right: clamp(1rem, 4vw, 3rem);
  height: 1px;
  background: linear-gradient(to right, transparent, var(--pink), var(--blue-soft), transparent);
  opacity: .5;
}

.about-visual {
  display: grid;
  place-items: center;
}

#heartCanvas {
  width: min(320px, 70vw);
  height: auto;
  aspect-ratio: 1;
}

.about-text h2 {
  font-family: 'GFS Didot', serif;
  font-weight: 400;
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.1;
  color: var(--heading);
  margin: 1rem 0 1.75rem;
  transition: color var(--fade);
}

.about-text p:not(.eyebrow) {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 1rem;
  max-width: 56ch;
  transition: color var(--fade);
}

.about-text strong {
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-text .sign {
  font-family: 'GFS Didot', serif;
  font-size: 1.2rem !important;
  color: var(--text) !important;
  margin-top: 1.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .9s ease, transform .9s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* ───────────────────────── FOOTER ───────────────────────── */
.footer {
  padding: 3rem clamp(1rem, 4vw, 3rem) 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .9rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer a {
  font-size: .85rem;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color .3s, border-color .3s;
}

.footer a:hover {
  color: var(--pink);
  border-color: var(--pink);
}

.footer p {
  font-size: .64rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ───────────────────────── RESPONSIVE ───────────────────────── */
@media (max-width: 900px) {
  .stage {
    grid-template-columns: 1fr;
    padding-top: 5.5rem;
    gap: 2.5rem;
  }

  /* mobile : intro → cover + player → tracklist */
  .stage-right {
    display: contents;
  }

  .intro {
    order: -1;
    text-align: center;
  }

  .stage-left {
    order: 0;
  }

  .hero-sub {
    letter-spacing: .3em;
    font-size: .75rem;
  }

  .stage-left {
    max-width: 440px;
  }

  .tracklist {
    order: 1;
  }

  .about {
    grid-template-columns: 1fr;
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .cover-play {
    opacity: 1;
    transform: none;
    width: 54px;
    height: 54px;
  }
}

@media (max-width: 560px) {
  .nav nav a:not(.nav-cta) {
    display: none;
  }

  .track {
    grid-template-columns: 1.5rem 42px minmax(0, 1fr) auto;
    gap: .75rem;
    padding: .6rem .6rem;
  }

  .track-thumb {
    width: 42px;
    height: 42px;
  }

  .tracklist-head span:last-child {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001s !important;
  }

  html {
    scroll-behavior: auto;
  }
}