/* ==========================================================================
   SILLAGE — feuille de styles
   Les couleurs d'accent changent avec la saison (html[data-season]).
   ========================================================================== */

:root {
  --cream: #f6f1e9;
  --paper: #fbf8f3;
  --ink: #17201c;
  --ink-soft: #3d4640;
  --muted: #6e736b;
  --line: rgba(23, 32, 28, .12);
  --night: #0d1412;
  --night-2: #141d1a;
  --on-night: #eef0ea;
  --on-night-muted: rgba(238, 240, 234, .62);

  --serif: "Cormorant Garamond", "Cormorant", Georgia, "Times New Roman", serif;
  --sans: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;

  --radius: 18px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --container: 1200px;

  /* Été par défaut */
  --a1: #ff8a65;
  --a2: #a9d44f;
  --a3: #ffb03b;
  --a4: #6fd3b5;
  --a-ink: #b94c28;
}

html[data-season="printemps"] { --a1: #e991ad; --a2: #9fcf7e; --a3: #f3cf8a; --a4: #b8a6e0; --a-ink: #a8446a; }
html[data-season="ete"]       { --a1: #ff8a65; --a2: #a9d44f; --a3: #ffb03b; --a4: #6fd3b5; --a-ink: #b94c28; }
html[data-season="automne"]   { --a1: #d9823b; --a2: #b0703f; --a3: #e2b865; --a4: #8f9a55; --a-ink: #9a5420; }
html[data-season="noel"]      { --a1: #d2453f; --a2: #e6b04d; --a3: #3f8a5f; --a4: #f0d9a8; --a-ink: #a02c29; }
html[data-season="hiver"]     { --a1: #8fc0d6; --a2: #5c8f96; --a3: #d4e3ee; --a4: #a7a3d6; --a-ink: #36687a; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 500; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--a-ink); outline-offset: 3px; border-radius: 6px; }

.container { width: min(var(--container), 100% - 2 * clamp(20px, 5vw, 56px)); margin-inline: auto; }

.eyebrow {
  font-size: .74rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--a-ink);
  margin-bottom: 18px;
  transition: color .8s var(--ease);
}
.h2 {
  font-family: var(--serif);
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -.01em;
}
.h2 em, .hero-title em { font-style: italic; color: var(--a-ink); transition: color .8s var(--ease); }
.display {
  font-family: var(--serif);
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: .9;
  font-weight: 500;
  letter-spacing: -.02em;
}
.lead { font-size: 1.08rem; color: var(--ink-soft); max-width: 56ch; }
.section-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.section-intro { margin-top: 22px; font-size: 1.06rem; color: var(--ink-soft); max-width: 62ch; }
.fine { font-size: .78rem; color: var(--muted); line-height: 1.5; }

section { position: relative; padding: clamp(84px, 11vw, 150px) 0; }

/* -------------------------------------------------------------- boutons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 26px;
  border-radius: 999px;
  font: 600 .92rem/1 var(--sans);
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-light { background: var(--on-night); color: var(--night); }
.btn-light:hover { background: #fff; }
.btn-ghost { border-color: rgba(238, 240, 234, .35); color: var(--on-night); }
.btn-ghost:hover { border-color: var(--on-night); }
.btn-accent { background: var(--ink); color: var(--paper); }
.btn-accent:hover { background: var(--a-ink); }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }

/* -------------------------------------------------------------- nav */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 22px clamp(20px, 4vw, 48px);
  color: var(--on-night);
  transition: background .5s var(--ease), padding .5s var(--ease), color .5s var(--ease), box-shadow .5s var(--ease);
}
.nav.scrolled {
  background: rgba(251, 248, 243, .82);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  color: var(--ink);
  padding-block: 14px;
  box-shadow: 0 1px 0 var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 50%;
  background: conic-gradient(from 200deg, var(--a1), var(--a3), var(--a2), var(--a4), var(--a1));
  filter: blur(.3px);
  box-shadow: 0 0 22px -2px var(--a1);
  transition: background .8s var(--ease), box-shadow .8s var(--ease);
}
.brand-name { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; letter-spacing: .01em; }
.nav-links { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.nav-links a { text-decoration: none; font-size: .88rem; font-weight: 500; opacity: .85; transition: opacity .3s; }
.nav-links a:hover { opacity: 1; }
.nav-cta { padding: 9px 18px; border: 1px solid currentColor; border-radius: 999px; opacity: 1 !important; }
.season-dots { display: flex; gap: 7px; padding-left: 20px; border-left: 1px solid currentColor; border-color: rgba(128, 128, 128, .35); }
.season-dot {
  width: 14px; height: 14px; border-radius: 50%;
  border: 0; padding: 0; cursor: pointer;
  background: var(--dot);
  outline-offset: 3px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.season-dot:hover { transform: scale(1.25); }
.season-dot[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--paper), 0 0 0 3.5px var(--dot); }
.nav:not(.scrolled) .season-dot[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--night), 0 0 0 3.5px var(--dot); }
.burger { display: none; margin-left: auto; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; color: inherit; }
.burger span { display: block; height: 1.5px; background: currentColor; margin: 7px 8px; transition: transform .3s var(--ease); }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4.3px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4.3px) rotate(-45deg); }

/* -------------------------------------------------------------- hero */
.hero {
  min-height: min(100svh, 1100px);
  padding: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(120% 90% at 50% 110%, var(--night-2), var(--night) 60%);
  color: var(--on-night);
  overflow: hidden;
  isolation: isolate;
}
#mist { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero-inner { text-align: center; padding: 140px 24px 120px; max-width: 980px; }
.hero .eyebrow { color: var(--a1); }
.hero-title {
  font-family: var(--serif);
  font-size: clamp(3.6rem, 11vw, 9.5rem);
  line-height: .9;
  letter-spacing: -.025em;
  font-weight: 500;
}
.hero-title em { color: var(--a1); }
.hero-sub { margin: 32px auto 0; max-width: 58ch; font-size: clamp(1rem, 1.6vw, 1.15rem); color: var(--on-night-muted); }
.hero-actions { margin-top: 40px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.now-playing {
  position: absolute; left: clamp(20px, 4vw, 48px); bottom: 34px;
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .84rem; color: var(--on-night-muted);
  padding: 10px 16px; border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  backdrop-filter: blur(8px);
}
.now-playing strong { color: var(--on-night); font-weight: 600; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--a2); box-shadow: 0 0 0 0 var(--a2); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--a2) 70%, transparent); } 100% { box-shadow: 0 0 0 12px transparent; } }
.scroll-cue { position: absolute; left: 50%; bottom: 30px; translate: -50% 0; width: 26px; height: 42px; border: 1.5px solid rgba(238, 240, 234, .4); border-radius: 14px; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 2px; background: var(--on-night); animation: cue 2s var(--ease) infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }
.hero-hint { position: absolute; right: clamp(20px, 4vw, 48px); bottom: 40px; font-size: .78rem; letter-spacing: .08em; color: rgba(238, 240, 234, .4); font-style: italic; font-family: var(--serif); font-size: 1rem; }

/* -------------------------------------------------------------- manifeste */
.manifesto { background: var(--paper); }
.manifesto-text {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4.2vw, 3.5rem);
  line-height: 1.18;
  max-width: 24ch;
  max-width: 1000px;
}
.manifesto-text .w { color: rgba(23, 32, 28, .16); transition: color .5s var(--ease); }
.manifesto-text .w.on { color: var(--ink); }
.triad { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); margin-top: clamp(64px, 9vw, 110px); padding-top: 40px; border-top: 1px solid var(--line); }
.triad-num { font-family: var(--serif); font-style: italic; font-size: 1.1rem; color: var(--a-ink); }
.triad-item h3 { font-family: var(--serif); font-size: 2rem; margin: 6px 0 10px; }
.triad-item p { color: var(--ink-soft); }

/* -------------------------------------------------------------- signature */
.signature { background: var(--cream); overflow: hidden; }
.signature::before {
  content: ""; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--a3) 34%, transparent), transparent);
  pointer-events: none;
  transition: background 1s var(--ease);
}
.signature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 90px); align-items: center; position: relative; }
.botanicals { position: relative; aspect-ratio: 1; max-width: 560px; width: 100%; justify-self: center; }
.botanical {
  position: absolute; width: var(--s); left: var(--x); top: var(--y);
  animation: float var(--d, 9s) ease-in-out infinite alternate;
  transition: opacity .6s var(--ease);
  will-change: transform;
  cursor: pointer;
}
/* ombre sur l'enfant statique : le parent animé reste un simple calque composité */
.botanical .photo {
  display: block; width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 50%;
  transition: transform .7s var(--ease);
  box-shadow: 0 30px 50px -24px rgba(60, 40, 20, .5), 0 0 0 6px rgba(255, 255, 255, .75);
}
.botanicals.has-focus .botanical { opacity: .4; }
.botanicals.has-focus .botanical.focus { opacity: 1; }
.botanical.focus .photo { transform: scale(1.08); }
@keyframes float { from { transform: translate(0, 0) rotate(var(--r0, 0deg)); } to { transform: translate(var(--tx, 8px), var(--ty, -18px)) rotate(var(--r1, 8deg)); } }
.accord { font-family: var(--serif); font-style: italic; font-size: 1.35rem; color: var(--a-ink); margin: 10px 0 24px; }

.ingredients { list-style: none; padding: 0; margin: 34px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.ingredient-btn {
  width: 100%; display: flex; align-items: center; gap: 12px; text-align: left;
  padding: 13px 16px; border-radius: 14px;
  background: rgba(255, 255, 255, .55); border: 1px solid var(--line);
  font: inherit; color: inherit; cursor: pointer;
  transition: background .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.ingredient-btn:hover { background: #fff; transform: translateY(-1px); }
.ingredient-btn[aria-selected="true"] { background: #fff; border-color: var(--c); box-shadow: 0 10px 30px -18px var(--c); }
.ingredient-btn .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--c); flex: none; }
.ingredient-btn .n { font-weight: 600; font-size: .95rem; display: block; line-height: 1.2; }
.ingredient-btn .l { font-family: var(--serif); font-style: italic; font-size: .95rem; color: var(--muted); }
.ingredient-detail {
  margin-top: 14px; padding: 22px 24px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  display: grid; grid-template-columns: auto 1fr; gap: 6px 18px;
  min-height: 150px;
}
.ingredient-detail .t { grid-column: 1 / -1; font-family: var(--serif); font-size: 1.7rem; line-height: 1.1; margin-bottom: 6px; }
.ingredient-detail dt { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 600; padding-top: 3px; }
.ingredient-detail dd { margin: 0; color: var(--ink-soft); }
.ingredient-detail.swap { animation: swap .5s var(--ease); }
@keyframes swap { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.feelings { margin-top: 26px; }
.feelings-label { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 12px; }
.chip { padding: 6px 14px; border-radius: 999px; background: color-mix(in srgb, var(--a1) 16%, #fff); border: 1px solid color-mix(in srgb, var(--a1) 35%, transparent); font-size: .85rem; font-weight: 500; transition: background .8s var(--ease), border-color .8s var(--ease); }

/* -------------------------------------------------------------- concept */
.concept { background: var(--cream); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: s; }
.step { padding: 34px 28px 10px 0; border-top: 1px solid var(--ink); position: relative; }
.step + .step { padding-left: 28px; border-left: 1px solid var(--line); }
.step::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--a1); transition: background .8s var(--ease); }
.step + .step::before { left: 28px; }
.step-num { font-family: var(--serif); font-style: italic; color: var(--a-ink); font-size: 1.15rem; }
.step h3 { font-family: var(--serif); font-size: 2.1rem; margin: 4px 0 12px; }
.step p { color: var(--ink-soft); font-size: .97rem; }

/* -------------------------------------------------------------- installation */
.install { background: var(--night); color: var(--on-night); overflow: hidden; }
.install::before {
  content: ""; position: absolute; left: 50%; top: 30%; width: 90vw; height: 60vw; translate: -50% -50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--a4) 14%, transparent), transparent);
  pointer-events: none;
}
.section-head.light .section-intro { color: var(--on-night-muted); }
.install .eyebrow, .install .h2 em { color: var(--a1); }

.diagram-wrap { display: grid; grid-template-columns: 1fr 320px; gap: 28px; align-items: stretch; position: relative; }
.diagram-scroll { overflow-x: auto; border-radius: var(--radius); background: rgba(255, 255, 255, .025); border: 1px solid rgba(255, 255, 255, .08); }
.diagram { display: block; width: 100%; min-width: 720px; height: auto; font-family: var(--sans); }
.diagram text { fill: var(--on-night-muted); font-size: 13px; }
.diagram .lbl-cta { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; fill: rgba(238, 240, 234, .45); }
.diagram .lbl-flow { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; fill: rgba(238, 240, 234, .7); }
.diagram .lbl-room { font-family: var(--serif); font-style: italic; font-size: 18px; fill: var(--on-night); }
.casing { fill: rgba(255, 255, 255, .03); stroke: rgba(238, 240, 234, .35); stroke-width: 1.5; }
.casing-mid { stroke: rgba(238, 240, 234, .2); stroke-dasharray: 4 5; }
.flow { fill: none; stroke-width: 34; stroke-linecap: butt; opacity: .16; }
.flow-supply { stroke: var(--a4); }
.flow-extract { stroke: #9aa39c; }
.flow + .flow, .room .flow { }
.hatch-line { stroke: rgba(238, 240, 234, .45); stroke-width: 2; }
.comp rect[fill^="url"] { stroke: rgba(238, 240, 234, .5); }
.hx { fill: rgba(143, 192, 214, .08); stroke: rgba(238, 240, 234, .5); }
.hx-x { stroke: rgba(238, 240, 234, .3); stroke-width: 1.2; }
.coil { fill: rgba(217, 130, 59, .12); stroke: rgba(238, 240, 234, .5); }
.coil-fins { stroke: rgba(238, 240, 234, .35); }
.fan { fill: rgba(255, 255, 255, .04); stroke: rgba(238, 240, 234, .5); }
.fan-blades { fill: rgba(238, 240, 234, .55); transform-box: fill-box; transform-origin: center; animation: spin 1.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.diff-box { fill: color-mix(in srgb, var(--a1) 18%, var(--night)); stroke: var(--a1); stroke-width: 1.5; }
.diff-bottle { fill: var(--a3); opacity: .85; }
.diagram .diff-t1 { fill: var(--on-night); font-family: var(--serif); font-size: 17px; font-weight: 600; }
.diagram .diff-t2 { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.diff-pipe { stroke: var(--a1); stroke-width: 3; stroke-dasharray: 5 4; animation: dash 1s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -9; } }
.diff-inject { fill: var(--a1); }
.room-box { fill: rgba(255, 255, 255, .03); stroke: rgba(238, 240, 234, .3); stroke-dasharray: 2 0; }
.grille { fill: rgba(238, 240, 234, .5); }
.scent { transition: none; }
.arrow-head { fill: rgba(238, 240, 234, .6); }

.hotspot { cursor: pointer; }
.hotspot circle.ring { fill: none; stroke: var(--a1); stroke-width: 1.5; opacity: .6; transform-box: fill-box; transform-origin: center; animation: ring 2.4s var(--ease) infinite; }
.hotspot circle.core { fill: var(--night); stroke: var(--a1); stroke-width: 2; transition: fill .3s; }
.hotspot text { fill: var(--on-night) !important; font-weight: 700; font-size: 12px !important; pointer-events: none; }
.hotspot:hover circle.core, .hotspot.active circle.core { fill: var(--a1); }
.hotspot.active text { fill: var(--night) !important; }
.hotspot:focus-visible { outline: none; }
.hotspot:focus-visible circle.core { stroke-width: 4; }
@keyframes ring { from { transform: scale(1); opacity: .7; } to { transform: scale(1.9); opacity: 0; } }

.hotspot-panel {
  padding: 28px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
  display: flex; flex-direction: column; gap: 12px;
}
.hotspot-panel .hp-num { font-family: var(--serif); font-style: italic; color: var(--a1); font-size: 1.1rem; }
.hotspot-panel h3 { font-family: var(--serif); font-size: 1.9rem; line-height: 1.1; }
.hotspot-panel p { color: var(--on-night-muted); }
.hp-nav { margin-top: auto; display: flex; gap: 8px; }
.hp-nav button { flex: 1; padding: 10px; border-radius: 999px; background: none; color: var(--on-night); border: 1px solid rgba(255, 255, 255, .2); cursor: pointer; font: 500 .85rem var(--sans); }
.hp-nav button:hover { border-color: var(--on-night); }

.intensity { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 26px; }
.intensity-label { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; color: var(--on-night-muted); }
.segmented { display: inline-flex; padding: 4px; border-radius: 999px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); }
.segmented button { padding: 8px 18px; border-radius: 999px; border: 0; background: none; color: var(--on-night-muted); font: 500 .88rem var(--sans); cursor: pointer; transition: background .3s, color .3s; }
.segmented button[aria-checked="true"] { background: var(--on-night); color: var(--night); }
.intensity-note { font-size: .9rem; color: var(--on-night-muted); flex: 1 1 280px; }

.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: clamp(56px, 8vw, 90px); background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--radius); overflow: hidden; }
.tech { background: var(--night); padding: 32px 28px; transition: background .4s var(--ease); }
.tech:hover { background: #111a17; }
.tech h3 { font-family: var(--serif); font-size: 1.65rem; margin-bottom: 10px; }
.tech h3::before { content: ""; display: block; width: 26px; height: 2px; background: var(--a1); margin-bottom: 18px; transition: width .4s var(--ease); }
.tech:hover h3::before { width: 48px; }
.tech p { color: var(--on-night-muted); font-size: .95rem; }

/* -------------------------------------------------------------- saisons */
.seasons { background: var(--cream); overflow: hidden; transition: background .8s var(--ease); }
.seasons::after {
  content: ""; position: absolute; right: -20vw; bottom: -30vw; width: 70vw; height: 70vw; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--a1) 22%, transparent), transparent);
  pointer-events: none; transition: background 1s var(--ease);
}
.season-layout { display: grid; grid-template-columns: minmax(280px, 460px) 1fr; gap: clamp(32px, 6vw, 90px); align-items: center; position: relative; z-index: 1; }
.wheel { width: 100%; height: auto; display: block; overflow: visible; }
.wheel .arc { cursor: pointer; transition: opacity .4s var(--ease), transform .5s var(--ease); transform-origin: 200px 200px; opacity: .45; }
.wheel .arc:hover { opacity: .75; }
.wheel .arc.active { opacity: 1; transform: scale(1.035); }
.wheel .arc:focus-visible { outline: none; opacity: .85; }
.wheel .m-label { font: 600 11px var(--sans); fill: var(--muted); letter-spacing: .08em; }
.wheel .c-name { font-family: var(--serif); font-size: 44px; font-weight: 500; fill: var(--ink); }
.wheel .c-sub { font: 600 11px var(--sans); letter-spacing: .2em; text-transform: uppercase; fill: var(--a-ink); }
.wheel .today-dot { fill: var(--ink); }
.wheel .today-lbl { font: italic 15px var(--serif); fill: var(--ink); }
.wheel .tick { stroke: var(--line); }

.season-card { padding: clamp(28px, 4vw, 48px); border-radius: 26px; background: rgba(255, 255, 255, .7); border: 1px solid var(--line); backdrop-filter: blur(6px); }
.season-card.swap { animation: swap .6s var(--ease); }
.sc-top { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: baseline; }
.sc-season { font-size: .74rem; letter-spacing: .22em; text-transform: uppercase; font-weight: 600; color: var(--a-ink); }
.sc-dates { font-size: .85rem; color: var(--muted); }
.sc-name { font-family: var(--serif); font-size: clamp(3.2rem, 7vw, 5.5rem); line-height: 1; margin: 12px 0 4px; font-weight: 500; }
.sc-accord { font-family: var(--serif); font-style: italic; font-size: 1.3rem; color: var(--ink-soft); }
.sc-desc { margin: 20px 0 24px; color: var(--ink-soft); max-width: 56ch; }
.sc-palette { display: flex; height: 8px; border-radius: 99px; overflow: hidden; margin-bottom: 22px; }
.sc-palette span { flex: 1; }
.oil-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.oil-chip { display: inline-flex; align-items: center; gap: 10px; padding: 6px 16px 6px 6px; border-radius: 99px; background: #fff; border: 1px solid var(--line); line-height: 1.2; }
.oil-chip > span:last-child { display: flex; flex-direction: column; }
.oil-chip b { font-weight: 600; font-size: .9rem; }
.oil-chip i { font-family: var(--serif); color: var(--muted); font-size: .92rem; }
.sc-scene { margin-top: 18px; font-family: var(--serif); font-style: italic; font-size: 1.45rem; line-height: 1.3; color: var(--ink); padding-left: 18px; border-left: 2px solid var(--a1); transition: border-color .8s var(--ease); }
.sc-mood { margin-top: 22px; font-size: .9rem; color: var(--muted); }
.sc-mood strong { color: var(--ink); font-weight: 600; }

.events { margin-top: clamp(64px, 8vw, 100px); position: relative; z-index: 1; }
.events-title { font-family: var(--serif); font-size: 2rem; margin-bottom: 24px; }
.events-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.event { padding: 24px; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.event:hover { transform: translateY(-4px); box-shadow: 0 24px 40px -30px rgba(0, 0, 0, .4); }
.event h4 { margin: 0 0 6px; font-family: var(--serif); font-size: 1.45rem; font-weight: 500; }
.event p { font-size: .9rem; color: var(--ink-soft); }
.event .ev-oils { margin-top: 14px; font-family: var(--serif); font-style: italic; color: var(--a-ink); font-size: 1rem; }

/* -------------------------------------------------------------- espaces */
.spaces { background: var(--paper); }
.spaces-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.space {
  position: relative; padding: 30px; border-radius: 22px; min-height: 330px;
  background: var(--cream); border: 1px solid var(--line);
  display: flex; flex-direction: column; overflow: hidden;
  transition: transform .5s var(--ease), background .5s var(--ease), color .5s var(--ease);
}
.space::before {
  content: ""; position: absolute; inset: auto -30% -60% auto; width: 90%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side, var(--c1), transparent);
  opacity: .35; transition: opacity .6s var(--ease), transform .8s var(--ease);
}
.space:hover { transform: translateY(-6px); background: var(--night); color: var(--on-night); }
.space:hover::before { opacity: .55; transform: scale(1.3); }
.space > * { position: relative; }
.space-icon { width: 44px; height: 44px; stroke: currentColor; fill: none; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 26px; opacity: .85; }
.space h3 { font-family: var(--serif); font-size: 1.9rem; line-height: 1.1; }
.space .intent { margin-top: 8px; font-size: .95rem; opacity: .75; }
.space .blend { margin-top: auto; padding-top: 22px; }
.space .blend-name { font-family: var(--serif); font-style: italic; font-size: 1.4rem; color: var(--a-ink); transition: color .5s; }
.space:hover .blend-name { color: var(--c1); }
.space .blend-oils { font-size: .85rem; opacity: .75; }
.space .tip { font-size: .83rem; margin-top: 14px; padding-top: 14px; border-top: 1px solid currentColor; border-color: rgba(128, 128, 128, .25); opacity: 0; max-height: 0; transition: opacity .5s var(--ease), max-height .6s var(--ease); }
.space:hover .tip, .space:focus-within .tip { opacity: .8; max-height: 120px; }

/* -------------------------------------------------------------- bienfaits */
.benefits { background: var(--cream); }
.benefit-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 48px); }
.benefit-col { padding: clamp(28px, 4vw, 44px); border-radius: 24px; background: var(--paper); border: 1px solid var(--line); }
.benefit-col-title { font-family: var(--serif); font-size: 2rem; margin-bottom: 22px; }
.benefit-list { list-style: none; padding: 0; margin: 0; }
.benefit-list li { padding: 16px 0 16px 34px; border-top: 1px solid var(--line); position: relative; color: var(--ink-soft); }
.benefit-list li::before { content: ""; position: absolute; left: 4px; top: 24px; width: 12px; height: 12px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, var(--a3), var(--a1)); }
.benefit-list strong { color: var(--ink); font-weight: 600; }

.responsible { margin-top: clamp(32px, 5vw, 56px); padding: clamp(28px, 4vw, 44px); border-radius: 24px; background: var(--night); color: var(--on-night); display: grid; grid-template-columns: 1fr 2fr; gap: 32px; }
.responsible h3 { font-family: var(--serif); font-size: 2rem; margin-bottom: 8px; }
.responsible-head p { color: var(--on-night-muted); }
.responsible-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
.responsible-list li { padding-left: 26px; position: relative; font-size: .94rem; color: var(--on-night-muted); }
.responsible-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 6px; border-left: 2px solid var(--a2); border-bottom: 2px solid var(--a2); transform: rotate(-45deg); }

/* -------------------------------------------------------------- contact */
.contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(32px, 6vw, 90px); align-items: start; }
.contact-points { list-style: none; padding: 0; margin: 32px 0 0; }
.contact-points li { padding: 14px 0; border-top: 1px solid var(--line); font-family: var(--serif); font-size: 1.3rem; }
.contact-points li::before { content: "—"; color: var(--a-ink); margin-right: 12px; }
.contact-estimate { display: inline-block; margin-top: 28px; font-weight: 600; color: var(--a-ink); text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.contact-estimate:hover { color: var(--ink); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; padding: clamp(24px, 4vw, 40px); border-radius: 26px; background: var(--cream); border: 1px solid var(--line); }
.field { display: flex; flex-direction: column; gap: 6px; }
.full { grid-column: 1 / -1; }
.field label { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: var(--muted); }
.field input, .field select, .field textarea {
  font: inherit; color: var(--ink);
  padding: 13px 15px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--paper);
  transition: border-color .3s, box-shadow .3s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--a-ink); box-shadow: 0 0 0 4px color-mix(in srgb, var(--a1) 22%, transparent); }
.field.invalid input { border-color: #b3261e; }
/* Piège à robots : invisible pour les visiteurs, rempli par les envois automatiques. */
.pot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--ink-soft); cursor: pointer; }
.consent input { margin-top: 4px; accent-color: var(--a-ink); }
.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-msg { font-size: .92rem; }
.form-msg.ok { color: #2f6b3f; }
.form-msg.err { color: #b3261e; }

/* -------------------------------------------------------------- footer */
.footer { background: var(--night); color: var(--on-night-muted); padding: 60px 0 44px; }
.footer-inner { display: grid; gap: 14px; }
.footer .brand { color: var(--on-night); }
.footer .fine { color: rgba(238, 240, 234, .4); }

/* -------------------------------------------------------------- photos des ingrédients */
:root {
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.photo { display: block; width: 100%; height: 100%; object-fit: cover; }
.illu {
  --s: 64px;
  display: inline-grid; place-items: center; flex: none;
  width: var(--s); height: var(--s); border-radius: 50%; overflow: hidden;
  background: radial-gradient(circle at 50% 42%, #fff 30%, color-mix(in srgb, var(--c) 22%, #fff));
  box-shadow: 0 10px 20px -12px color-mix(in srgb, var(--c) 80%, #000), inset 0 0 0 1px rgba(255, 255, 255, .7);
}
.illu .photo { border-radius: 50%; }
.illu-xs { --s: 26px; }
.illu-sm { --s: 44px; }
.illu-cluster { display: inline-flex; align-items: center; }
.illu-cluster .illu + .illu { margin-left: calc(var(--s) * -.24); }
.illu-cluster .illu:nth-child(even) { transform: translateY(6px); }
.illu-cluster .illu { transition: transform .5s var(--ease); }
.cl-xs .illu { --s: 30px; }
.cl-sm .illu { --s: 42px; }
.cl-lg .illu { --s: 86px; }
.cl-sm, .cl-xs { margin-bottom: 4px; }

/* volutes de parfum */
.wisps { position: absolute; left: 50%; top: -18%; width: 64%; translate: -50% 0; overflow: visible; pointer-events: none; opacity: 0; transition: opacity .6s var(--ease); z-index: 1; }
.wisps path { fill: none; stroke: var(--c); stroke-width: 1.8; stroke-linecap: round; stroke-dasharray: 32 68; stroke-dashoffset: 100; opacity: 0; }
@keyframes wisp { 0% { stroke-dashoffset: 100; opacity: 0; } 25% { opacity: .75; } 100% { stroke-dashoffset: 0; opacity: 0; } }

/* -------------------------------------------------------------- pourquoi l'odorat */
.why { background: var(--night); color: var(--on-night); overflow: hidden; }
.why::before {
  content: ""; position: absolute; right: -25vw; top: -20vw; width: 70vw; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--a1) 20%, transparent), transparent); pointer-events: none;
}
.why .eyebrow, .why .h2 em { color: var(--a1); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--radius); overflow: hidden; position: relative; }
.why-card { background: var(--night); padding: 36px 30px 34px; transition: background .5s var(--ease); }
.why-card:hover { background: #121b18; }
.why-num { font-family: var(--serif); font-style: italic; font-size: 1.1rem; color: var(--a1); }
.why-card h3 { font-family: var(--serif); font-size: 1.85rem; line-height: 1.1; margin: 10px 0 12px; }
.why-card p { color: var(--on-night-muted); font-size: .96rem; }
.why-quote { margin: clamp(56px, 8vw, 96px) auto 0; max-width: 900px; text-align: center; font-family: var(--serif); font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.12; }
.why-quote em { color: var(--a1); }
.why-src { margin-top: 40px; text-align: center; color: rgba(238, 240, 234, .42); max-width: 90ch; margin-inline: auto; }

/* -------------------------------------------------------------- signature : détail sensoriel */
.ingredient-detail dd.evoque { font-family: var(--serif); font-style: italic; font-size: 1.2rem; line-height: 1.3; color: var(--ink); }

/* -------------------------------------------------------------- la palette */
.palette-sec { background: var(--paper); }
.fam-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.fam-tabs button {
  display: inline-flex; align-items: center; gap: 9px; padding: 11px 18px; border-radius: 99px;
  border: 1px solid var(--line); background: #fff; font: 500 .92rem var(--sans); color: var(--ink-soft); cursor: pointer;
  transition: background .3s, color .3s, border-color .3s;
}
.fam-tabs .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.fam-tabs button:hover { border-color: var(--c); }
.fam-tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.fam-intro { display: grid; grid-template-columns: auto 1fr; gap: 8px 32px; align-items: baseline; margin-bottom: 32px; animation: swap .6s var(--ease); }
.fi-title { font-family: var(--serif); font-style: italic; font-size: clamp(2rem, 4vw, 3rem); color: var(--a-ink); line-height: 1; }
.fi-text { color: var(--ink-soft); max-width: 60ch; }
.oil-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; }
.oil-card {
  position: relative; isolation: isolate; overflow: hidden; outline: none;
  padding: 26px 24px 26px; border-radius: 26px; background: #fff; border: 1px solid var(--line);
  animation: swap .6s var(--ease) both;
  transition: transform .6s var(--ease), box-shadow .6s var(--ease), border-color .6s var(--ease);
}
.oil-card:nth-child(2) { animation-delay: .06s; } .oil-card:nth-child(3) { animation-delay: .12s; }
.oil-card:nth-child(4) { animation-delay: .18s; } .oil-card:nth-child(5) { animation-delay: .24s; }
.oil-card:nth-child(6) { animation-delay: .3s; } .oil-card:nth-child(7) { animation-delay: .36s; }
.oil-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(120% 70% at 50% 0%, color-mix(in srgb, var(--c) 26%, transparent), transparent 70%);
  transition: opacity .6s var(--ease), transform .8s var(--ease);
}
.oil-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background-image: var(--grain); opacity: .05; mix-blend-mode: multiply; pointer-events: none; }
.oil-card:hover, .oil-card:focus-visible { transform: translateY(-8px); border-color: color-mix(in srgb, var(--c) 45%, transparent); box-shadow: 0 34px 60px -36px color-mix(in srgb, var(--c) 85%, #000); }
.oil-card:hover::before, .oil-card:focus-visible::before { transform: scale(1.25); }
.oc-art {
  position: relative; aspect-ratio: 4 / 3; margin: -12px -10px 16px; border-radius: 18px; overflow: hidden;
  background: color-mix(in srgb, var(--c) 18%, #fff);
}
.oc-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0, 0, 0, .3), transparent 50%); pointer-events: none; }
.oc-art .photo { transition: transform 1.4s var(--ease); will-change: transform; }
.oil-card:hover .oc-art .photo, .oil-card:focus-visible .oc-art .photo { transform: scale(1.09); }
.oc-art .wisps { top: auto; bottom: 0; width: 70%; }
.oc-art .wisps path { stroke: #fff; stroke-width: 2.2; }
.oil-card:hover .wisps, .oil-card:focus-visible .wisps { opacity: 1; }
.oil-card:hover .wisps path, .oil-card:focus-visible .wisps path { animation: wisp 3s ease-in-out infinite; }
.oil-card .wisps path:nth-child(2) { animation-delay: .7s; }
.oil-card .wisps path:nth-child(3) { animation-delay: 1.4s; }
.oil-card h3 { font-family: var(--serif); font-size: 1.75rem; line-height: 1.05; }
.oc-latin { font-family: var(--serif); font-style: italic; color: var(--muted); font-size: 1rem; margin-top: 2px; }
.oc-nez { margin-top: 12px; font-size: .95rem; color: var(--ink-soft); }
.oc-evoque {
  font-family: var(--serif); font-style: italic; font-size: 1.22rem; line-height: 1.28; color: var(--ink);
  max-height: 0; opacity: 0; overflow: hidden; margin-top: 0;
  transition: max-height .7s var(--ease), opacity .6s var(--ease), margin-top .6s var(--ease);
}
.oc-evoque::before { content: "« "; color: var(--c); }
.oc-evoque::after { content: " »"; color: var(--c); }
.oil-card:hover .oc-evoque, .oil-card:focus-visible .oc-evoque { max-height: 8em; opacity: 1; margin-top: 12px; }
.oc-emo, .emo-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.oc-emo span, .emo-tags span {
  font-size: .76rem; font-weight: 600; letter-spacing: .04em; padding: 5px 11px; border-radius: 99px;
  background: color-mix(in srgb, var(--c, var(--a1)) 16%, #fff); color: color-mix(in srgb, var(--c, var(--a1)) 60%, #1b1b1b);
}
@media (hover: none) {
  .oc-evoque { max-height: none; opacity: 1; margin-top: 12px; }
  .wisps { opacity: 1; }
}

/* espaces & événements : grappes d'ingrédients */
.space .illu-cluster { margin-bottom: 10px; }
.event .illu-cluster { margin-bottom: 14px; }

@media (max-width: 920px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
  .fam-intro { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .why-grid { grid-template-columns: 1fr; }
  .oil-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .oil-card { padding: 18px 16px; }
  .oil-card h3 { font-size: 1.4rem; }
}

/* -------------------------------------------------------------- apparitions */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.steps .reveal:nth-child(2), .triad .reveal:nth-child(2), .tech-grid .reveal:nth-child(3n+2) { transition-delay: .1s; }
.steps .reveal:nth-child(3), .triad .reveal:nth-child(3), .tech-grid .reveal:nth-child(3n) { transition-delay: .2s; }
.steps .reveal:nth-child(4) { transition-delay: .3s; }

/* -------------------------------------------------------------- responsive */
@media (max-width: 1080px) {
  .nav-links { gap: 18px; }
  .nav-links a:not(.nav-cta) { font-size: .82rem; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .step:nth-child(3) { padding-left: 0; border-left: 0; }
  .step:nth-child(3)::before { left: 0; }
  .events-grid { grid-template-columns: 1fr 1fr; }
  .diagram-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 920px) {
  .burger { display: block; }
  .season-dots { margin-left: auto; border-left: 0; padding-left: 0; }
  .burger { margin-left: 8px; }
  .nav-links {
    position: fixed; inset: 0; z-index: -1;
    flex-direction: column; justify-content: center; gap: 26px;
    background: var(--night); color: var(--on-night);
    opacity: 0; pointer-events: none; transition: opacity .4s var(--ease);
  }
  .nav-links a:not(.nav-cta) { font-family: var(--serif); font-size: 2rem; }
  .nav.open .nav-links { opacity: 1; pointer-events: auto; }
  .nav.open { color: var(--on-night); background: transparent; box-shadow: none; }
  .signature-grid, .season-layout, .contact-grid, .benefit-cols, .responsible { grid-template-columns: 1fr; }
  .botanicals { max-width: 420px; }
  .spaces-grid, .tech-grid { grid-template-columns: 1fr 1fr; }
  .triad { grid-template-columns: 1fr; }
  .wheel-wrap { max-width: 420px; justify-self: center; width: 100%; }
  .hero-hint { display: none; }
}
@media (max-width: 620px) {
  .steps, .spaces-grid, .tech-grid, .events-grid, .responsible-list, .ingredients, .form { grid-template-columns: 1fr; }
  .step, .step + .step { padding-left: 0; border-left: 0; }
  .step::before, .step + .step::before { left: 0; }
  .now-playing { left: 50%; translate: -50% 0; bottom: 86px; white-space: nowrap; font-size: .78rem; }
  .space .tip { opacity: .8; max-height: none; }
  .season-dot { width: 12px; height: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}