/* LIPIOSE landing. Tokens first; --mix (0 = fraise, 1 = cassis) is driven by scroll. */
:root {
  --mix: 0;
  --ink: #1c2472;            /* Polypharma navy, from the pack */
  --ink-soft: #1c2472b8;
  --bg-f: #fff0ec;
  --bg-c: #f6ecf5;
  --acc-f: #e9535c;
  --acc-c: #8b3668;
  --tint-f: #ffd6d2;
  --tint-c: #ecd3e6;
  --sun-a: #ffd36b;
  --sun-b: #ff9f6e;
  --btn-bg: var(--ink);
  --btn-fg: #fff7f5;
  --line: #1c24721f;

  --bg: color-mix(in oklab, var(--bg-f), var(--bg-c) calc(var(--mix) * 100%));
  --accent: color-mix(in oklab, var(--acc-f), var(--acc-c) calc(var(--mix) * 100%));
  --tint: color-mix(in oklab, var(--tint-f), var(--tint-c) calc(var(--mix) * 100%));

  --r-media: 28px;           /* shape rule: media 28px, interactive = full pill */
  --pad: clamp(1rem, 4vw, 3.5rem);
  --font: "Outfit", ui-sans-serif, system-ui, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #fbeef1;
    --ink-soft: #fbeef1b3;
    --bg-f: #1d0f15;
    --bg-c: #170c19;
    --acc-f: #ff7c82;
    --acc-c: #e08ab9;
    --tint-f: #4a1d27;
    --tint-c: #3d1a3a;
    --sun-a: #f6b84f;
    --sun-b: #e6745a;
    --btn-bg: #fbeef1;
    --btn-fg: #1d0f15;
    --line: #fbeef124;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  font-size: 1.0625rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; }
.accent { color: var(--accent); }

/* ---------- Layers: backdrop (0) < canvas (1) < content (2) < nav (3) ---------- */
#backdrop { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
#webgl { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }
main, .foot { position: relative; z-index: 2; }
main { overflow-x: clip; } /* clip without creating a scroll container: sticky keeps working */
.nav { z-index: 3; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
}
.brand {
  font-family: "Montserrat", var(--font); font-weight: 700; font-size: 1.35rem;
  letter-spacing: 0.02em; text-decoration: none;
}
.brand sup { font-size: 0.5em; font-weight: 600; }
.nav nav { display: flex; gap: 0.35rem; }
.nav nav a {
  text-decoration: none; font-weight: 500; font-size: 0.95rem;
  padding: 0.55rem 1rem; border-radius: 999px;
  background: color-mix(in oklab, var(--bg), transparent 30%);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: background .3s, color .3s;
}
.nav nav a:hover { background: var(--ink); color: var(--bg); }
.nav nav a:focus-visible, .btn:focus-visible, .toggle button:focus-visible, .brand:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}

/* ---------- Type ---------- */
.eyebrow {
  font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--accent); margin-bottom: 1.25rem;
}
h1 {
  font-size: clamp(3rem, 6.4vw, 6.4rem); font-weight: 700; line-height: 0.98;
  letter-spacing: -0.04em;
}
.h2 {
  font-size: clamp(2.4rem, 4.6vw, 4.6rem); font-weight: 700; line-height: 1;
  letter-spacing: -0.035em;
}
.h2--xl { font-size: clamp(2.6rem, 4.6vw, 5.2rem); }
.lead { font-size: clamp(1.05rem, 1.3vw, 1.25rem); color: var(--ink-soft); max-width: 34ch; margin-top: 1.4rem; }

/* ---------- Button ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem; white-space: nowrap;
  margin-top: 2.2rem; padding: 1rem 1.6rem; border-radius: 999px;
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 600; font-size: 1.05rem; text-decoration: none;
  box-shadow: 0 14px 34px -14px color-mix(in oklab, var(--accent), transparent 20%);
  transition: transform .35s cubic-bezier(.16,1,.3,1), box-shadow .35s;
}
.btn i { font-size: 1.2rem; transition: transform .35s cubic-bezier(.16,1,.3,1); }
.btn:hover { transform: translateY(-2px); }
.btn:hover i { transform: translate(2px, 2px); }
.btn:active { transform: translateY(0) scale(.98); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100dvh; display: grid; align-items: center;
  padding: 6rem var(--pad) 3rem;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}
.hero__copy { grid-column: 1 / span 6; }

/* ---------- Pinned sections ---------- */
.pin { position: relative; }
.pin--2 { height: 200vh; }
.pin--3 { height: 300vh; }
.pin__inner { position: sticky; top: 0; height: 100vh; height: 100dvh; overflow: hidden; }

/* Ouvrir */
.words { margin: 0; font-weight: 800; letter-spacing: -0.05em; line-height: 1.05; font-size: clamp(3.4rem, 10vw, 10.5rem); }
.word { position: absolute; display: block; overflow: hidden; padding-bottom: 0.08em; }
.word > span { display: block; }
.w1 { top: 13%; right: 7vw; }
.w2 { top: 50%; right: 5vw; }
.w3 { bottom: 9%; left: 7vw; }

/* Formule */
.formule { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); align-items: center; padding: 0 var(--pad); }
.formule__copy { grid-column: 8 / span 5; }
.ingr { position: relative; margin-top: 3rem; min-height: 11rem; }
.ingr__item { position: absolute; inset: 0 auto auto 0; }
.ingr__name { font-size: clamp(3rem, 6.5vw, 6.5rem); font-weight: 800; letter-spacing: -0.045em; line-height: 1; color: var(--accent); }
.ingr__desc { margin-top: 0.8rem; font-size: 1.15rem; color: var(--ink-soft); }

/* Bande */
.bande { height: 130vh; }

/* SPF */
.spf { display: flex; align-items: flex-end; padding: 0 var(--pad) 8vh; }
.spf__copy { max-width: 30rem; }

/* Parfums */
.parfums {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); align-items: center;
  padding: 5rem var(--pad) 2rem;
}
.parfums__packs { grid-column: 1 / span 3; position: relative; aspect-ratio: 705 / 1300; max-height: 74dvh; }
.pack {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 30px 40px color-mix(in oklab, var(--accent), transparent 72%));
}
.pack--c { opacity: 0; }
.parfums__info { grid-column: 10 / span 3; }
.flv { position: relative; min-height: 7.5rem; }
.flv__item { position: absolute; inset: 0 auto auto 0; }
.flv__name { font-size: clamp(3rem, 5vw, 5rem); font-weight: 800; letter-spacing: -0.045em; line-height: 1; }
.flv--f .flv__name { color: var(--acc-f); }
.flv--c .flv__name { color: var(--acc-c); }
.flv__desc { margin-top: 0.6rem; font-size: 1.15rem; color: var(--ink-soft); }
.flv--c { opacity: 0; }
.toggle {
  display: inline-flex; margin-top: 1.8rem; padding: 4px; border-radius: 999px;
  background: color-mix(in oklab, var(--tint), transparent 25%);
}
.toggle button {
  font: inherit; font-weight: 600; font-size: 0.98rem; color: var(--ink);
  border: 0; background: transparent; padding: 0.7rem 1.3rem; border-radius: 999px; cursor: pointer;
  transition: background .35s, color .35s, transform .2s;
}
.toggle button[aria-pressed="true"] { background: var(--btn-bg); color: var(--btn-fg); }
.toggle button:active { transform: scale(.97); }
.spec { margin-top: 1.4rem; font-size: 0.95rem; color: var(--ink-soft); font-weight: 500; }

/* Final */
.final {
  min-height: 100dvh; display: grid; grid-template-columns: 1fr minmax(0, 1.9fr) 1fr;
  align-items: center; gap: 2vw; padding: 6rem var(--pad) 4rem; text-align: center;
}
.final__copy .lead { margin-inline: auto; }
.final__pack { width: 100%; max-width: 300px; justify-self: center; filter: drop-shadow(0 30px 40px color-mix(in oklab, var(--accent), transparent 75%)); }
.final__pack--f { rotate: -7deg; }
.final__pack--c { rotate: 7deg; }

/* Footer */
.foot {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 1.6rem var(--pad) 2rem; font-size: 0.9rem; color: var(--ink-soft);
  border-top: 1px solid var(--line);
}
.foot sup { font-size: 0.6em; }

/* ---------- Backdrop visuals ---------- */
.bd-band, .bd-sun, .bd-spf, .bd-flavor { position: absolute; opacity: 0; }
.bd-band { inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 1vh; }
.bd-row { display: flex; gap: 4vw; white-space: nowrap; font-weight: 800; letter-spacing: -0.05em; font-size: clamp(5rem, 17vw, 17rem); line-height: 1; will-change: transform; }
.bd-row span { color: var(--accent); }
.bd-row .o { color: transparent; -webkit-text-stroke: 2px var(--accent); }
.bd-row--b span { color: var(--ink); }
.bd-row--b .o { -webkit-text-stroke-color: var(--ink); }

.bd-sun { left: 50%; top: 40%; width: min(78vmin, 820px); aspect-ratio: 1; translate: -50% -50%; }
.bd-disc { position: absolute; inset: 18%; border-radius: 50%; background: radial-gradient(circle at 35% 30%, var(--sun-a), var(--sun-b)); box-shadow: 0 0 120px 30px color-mix(in oklab, var(--sun-a), transparent 55%); }
.bd-rays {
  position: absolute; inset: 0; border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, color-mix(in oklab, var(--sun-a), transparent 40%) 0 4deg, transparent 4deg 15deg);
  -webkit-mask: radial-gradient(circle, transparent 36%, #000 37%, transparent 70%);
          mask: radial-gradient(circle, transparent 36%, #000 37%, transparent 70%);
}
.bd-spf { inset: 0; display: flex; align-items: flex-start; padding-top: 16vh !important; justify-content: space-between; padding: 0 4vw; font-weight: 800; letter-spacing: -0.06em; font-size: clamp(5rem, 21vw, 22rem); line-height: 1; color: var(--ink); }
.bd-flavor { inset: 0; display: grid; place-items: center; }
.bd-flavor span { grid-area: 1 / 1; font-weight: 800; letter-spacing: -0.06em; font-size: clamp(6rem, 26vw, 26rem); line-height: 1; color: var(--tint); }
.bd-flavor .c { opacity: 0; }

/* ---------- Fallback (reduced motion / no WebGL) ---------- */
.fallback { display: none; }
.no-motion #webgl, .no-motion #backdrop { display: none; }
.no-motion .fallback { display: block; }
.no-motion .pin { height: auto; }
.no-motion .pin__inner { position: relative; height: auto; min-height: 80vh; overflow: visible; }
.no-motion .word { position: static; }
.no-motion .words { padding: 18vh var(--pad); display: grid; gap: 1rem; }
.no-motion .ingr { min-height: 0; display: grid; gap: 2.5rem; }
.no-motion .ingr__item, .no-motion .flv__item { position: static; opacity: 1 !important; }
.no-motion .formule__copy { grid-column: 1 / -1; padding: 15vh 0; }
.no-motion .bande { height: auto; padding: 12vh var(--pad); }
.no-motion .band-fallback { font-size: clamp(2.6rem, 7vw, 6rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; }
.no-motion .hero__fallback { grid-column: 9 / span 3; justify-self: center; max-height: 70vh; width: auto; rotate: -10deg; }
.no-motion .spf { gap: 4vw; align-items: center; padding: 15vh var(--pad); }
.no-motion .spf__fallback { max-height: 60vh; width: auto; }
.no-motion .flv { min-height: 0; display: grid; gap: 1.5rem; }
.no-motion .pack--c { opacity: 1; position: relative; }
.no-motion .pack--f { position: relative; }
.no-motion .parfums__packs { aspect-ratio: auto; max-height: none; display: grid; gap: 2rem; }
.no-motion .toggle { display: none; }
.no-motion .parfums { padding: 10vh var(--pad); }

/* ---------- Mobile ---------- */
@media (max-width: 767px) {
  .hide-sm { display: none; }
  .hero { grid-template-columns: 1fr; align-items: start; padding-top: 6.5rem; }
  .hero__copy { grid-column: 1; }
  h1 { font-size: clamp(2.7rem, 12vw, 3.6rem); }
  .lead { max-width: 30ch; }
  .w1 { top: 11%; right: 6vw; }
  .w2 { top: auto; bottom: 17%; right: 6vw; }
  .w3 { bottom: 6%; left: 6vw; }
  .bd-spf { justify-content: center; gap: 3vw; padding-top: 13vh !important; font-size: 24vw; }
  .bd-sun { top: 46%; width: 92vmin; }
  .formule { grid-template-columns: 1fr; align-items: stretch; padding: 5.5rem var(--pad) 7vh; }
  .formule__copy { grid-column: 1; display: flex; flex-direction: column; justify-content: space-between; }
  .formule .h2 { font-size: 2.1rem; }
  .ingr { margin-top: 0; min-height: 7.5rem; }
  .ingr__name { font-size: 3rem; }
  .ingr__desc { font-size: 1rem; }
  .spf { padding-bottom: 6vh; }
  .parfums { grid-template-columns: 1fr; align-items: stretch; padding: 5.5rem var(--pad) 5vh; }
  .parfums__packs { display: none; }
  .parfums__info { grid-column: 1; display: flex; flex-direction: column; }
  .flv { min-height: 5.8rem; }
  .flv__name { font-size: 2.8rem; }
  .toggle { order: 2; margin-top: auto; align-self: center; }
  .spec { order: 1; margin-top: 0.4rem; }
  .final { grid-template-columns: 1fr 1fr; padding-top: 6rem; }
  .final__copy { grid-column: 1 / -1; grid-row: 2; }
  .final { gap: 0 4vw; }
  .final__pack { width: 82%; max-width: 160px; }
  .no-motion .hero__fallback { grid-column: 1; max-height: 50vh; margin-top: 2rem; }
  .no-motion .spf { flex-direction: column; align-items: flex-start; }
  .no-motion .parfums__packs { display: grid; grid-template-columns: 1fr 1fr; }
}