/* Concept : site éditorial blanc / bleu nuit / or, repris du catalogue 2026.
   Typo légère (Quicksand) + script doré (Cormorant) pour les mots clés, appareils posés sur fond clair. */
:root {
  color-scheme: light;
  --navy: #15233f;
  --navy-2: #22355a;
  --gold: #8a6a3b;
  --gold-soft: #cdb37f;
  --line: #e4dccb;
  --paper: #ffffff;
  --mist: #f3f4f7;
  --ink: #1a2237;
  --ink-2: #566078;
  --f-display: "Quicksand", "Avenir Next", "Segoe UI", sans-serif;
  --f-body: "DM Sans", "Helvetica Neue", Arial, sans-serif;
  --f-script: "Cormorant Garamond", Georgia, serif;
  --gutter-l: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 130px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 16px/1.65 var(--f-body); -webkit-font-smoothing: antialiased;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); background: var(--paper); z-index: 60; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 300; line-height: 1.12; margin: 0; text-wrap: balance; color: var(--navy); }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding-left: var(--gutter-l); padding-right: var(--gutter-r); }
.script { font-family: var(--f-script); font-style: italic; font-weight: 500; color: var(--gold); letter-spacing: 0; }
.eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }
.lead { font-family: var(--f-display); font-weight: 300; font-size: clamp(20px, 2.2vw, 27px); line-height: 1.4; color: var(--navy); text-wrap: balance; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; text-align: center;
  font: 500 12.5px/1.3 var(--f-body); letter-spacing: .16em; text-transform: uppercase; text-decoration: none;
  padding: 16px 26px; border: 1px solid var(--navy); background: var(--navy); color: #fff; transition: background .2s, color .2s, border-color .2s; }
.btn:hover { background: var(--gold); border-color: var(--gold); }
.btn.ghost { background: transparent; color: var(--navy); }
.btn.ghost:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn.on-dark { background: transparent; border-color: var(--gold-soft); color: #fff; }
.btn.on-dark:hover { background: var(--gold-soft); color: var(--navy); }
.btn.sm { padding: 12px 18px; font-size: 11.5px; }

/* En-tête */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--paper); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 78px; }
.brand img { height: 30px; width: auto; }
.nav { display: flex; gap: 30px; margin-left: auto; align-items: center; }
.nav a { text-decoration: none; font-size: 14px; font-weight: 500; color: var(--ink-2); padding: 6px 0; border-bottom: 1px solid transparent; }
.nav a.btn { color: #fff; border-bottom: 1px solid var(--navy); padding: 12px 18px; }
.nav a.btn:hover { color: #fff; border-bottom-color: var(--gold); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--gold); }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); padding: 10px 14px; font: 500 12px var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--navy); cursor: pointer; }

/* Hero */
.hero { padding-block: clamp(36px, 6vw, 84px); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: center; }
.hero h1 { font-size: clamp(42px, 6.4vw, 84px); letter-spacing: -.01em; margin: 18px 0 26px; }
.hero h1 .script { font-size: 1.1em; }
.hero p.lead { max-width: 34ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero figure { margin: 0; aspect-ratio: 1 / 1.05; overflow: hidden; background: var(--mist); }
.hero figure img { width: 100%; height: 100%; object-fit: cover; }

/* Bandeaux de page */
.page-head { padding-block: clamp(40px, 6vw, 80px) clamp(28px, 4vw, 48px); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(38px, 5.4vw, 68px); margin: 16px 0 20px; }
.page-head .lead { max-width: 36ch; }
.page-head .pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.pill { text-decoration: none; font-size: 13px; font-weight: 500; padding: 10px 18px; border: 1px solid var(--line); color: var(--navy); background: var(--paper); }
.pill:hover { border-color: var(--gold); }

/* Sections */
section { padding-block: clamp(44px, 7vw, 96px); }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 16px 40px; margin-bottom: clamp(28px, 4vw, 48px); }
.section-head h2 { font-size: clamp(30px, 4vw, 50px); margin-top: 12px; max-width: 18ch; }
.band-mist { background: var(--mist); }

/* Univers (accueil) */
.univers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.u-card { text-decoration: none; display: grid; grid-template-rows: auto 1fr; background: var(--paper); border: 1px solid var(--line); transition: border-color .2s, transform .2s; }
.u-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.u-card .ph { aspect-ratio: 16 / 10; overflow: hidden; background: var(--mist); }
.u-card .ph img { width: 100%; height: 100%; object-fit: cover; }
.u-card .tx { padding: 24px 26px 28px; display: grid; gap: 8px; align-content: start; }
.u-card h3 { font-size: 28px; }
.u-card .models { font-size: 13px; letter-spacing: .06em; color: var(--gold); font-weight: 500; }
.u-card p { color: var(--ink-2); font-size: 15px; }
.u-card .more { margin-top: 8px; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; font-weight: 500; color: var(--navy); }

/* Approche */
.approche { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.approche figure { margin: 0; overflow: hidden; background: var(--mist); }
.approche figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.convictions { display: grid; gap: 22px; margin-top: 30px; }
.convictions li { border-top: 1px solid var(--line); padding-top: 16px; }
.convictions strong { display: block; font-family: var(--f-display); font-weight: 500; color: var(--navy); font-size: 18px; margin-bottom: 4px; }
.convictions span { color: var(--ink-2); font-size: 15px; }

/* Parcours */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--navy); }
.steps.four { grid-template-columns: repeat(4, 1fr); }
.steps li { padding: 22px 20px 6px 0; display: grid; gap: 8px; align-content: start; }
.steps .n { font-family: var(--f-display); font-weight: 300; font-size: 40px; color: var(--gold-soft); line-height: 1; }
.steps h3 { font-size: 20px; font-weight: 400; }
.steps p { font-size: 14.5px; color: var(--ink-2); }

/* Bloc final */
.cta-band { background: var(--navy); color: #fff; padding-block: clamp(48px, 7vw, 88px); }
.cta-band .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px 48px; }
.cta-band h2 { color: #fff; font-size: clamp(30px, 4.4vw, 54px); }
.cta-band h2 .script { color: var(--gold-soft); }
.cta-band p { color: #c8d0e2; margin-top: 12px; max-width: 46ch; }

/* Produits */
.product { border-top: 1px solid var(--line); }
.product:first-of-type { border-top: 0; }
.product.alt { background: var(--mist); }
.p-top { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: center; }
.product.flip .p-top .p-text { order: 2; }
.p-text h2 { font-size: clamp(40px, 5.2vw, 66px); margin: 14px 0 6px; }
.p-sub { color: var(--ink-2); font-size: 15px; }
.p-text .lead { margin-top: 24px; max-width: 30ch; }
.p-text .lead em { font-family: var(--f-script); font-weight: 500; color: var(--gold); font-size: 1.12em; }
.p-desc { margin-top: 20px; color: var(--ink-2); max-width: 54ch; }
.p-media { background: var(--mist); display: grid; place-items: center; padding: clamp(18px, 3vw, 40px); aspect-ratio: 1 / 1; }
.alt .p-media { background: var(--paper); }
.p-media img { max-height: 100%; width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.p-media.tall { aspect-ratio: 4 / 5; max-height: 640px; }
.p-media.tall img { width: auto; max-width: 100%; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 22px 28px; margin-top: clamp(36px, 5vw, 60px); }
.stat { border-top: 1px solid var(--gold-soft); padding-top: 14px; }
.stat b { display: block; font-family: var(--f-display); font-weight: 300; font-size: clamp(30px, 3.4vw, 44px); color: var(--navy); line-height: 1.1; }
.stat span { font-size: 13.5px; color: var(--ink-2); }
.p-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); margin-top: clamp(36px, 5vw, 64px); align-items: start; }
.p-grid h3, .box h3 { font-family: var(--f-body); font-size: 12px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.checks li { position: relative; padding: 10px 0 10px 28px; border-bottom: 1px solid var(--line); font-size: 15.5px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 21px; width: 14px; height: 1px; background: var(--gold); }
.p-photo { margin: 0; overflow: hidden; background: var(--mist); }
.p-photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.p-photos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.p-photos img { aspect-ratio: 4 / 5; width: 100%; object-fit: cover; }
.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 32px; margin-top: clamp(30px, 4vw, 48px); }
.spec { border-top: 1px solid var(--line); padding: 14px 0 18px; }
.spec small { display: block; font-size: 13px; color: var(--ink-2); }
.spec b { font-family: var(--f-display); font-weight: 400; font-size: 21px; color: var(--navy); line-height: 1.3; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px 36px; margin-top: clamp(30px, 4vw, 48px); }
.box p, .box li { font-size: 15px; color: var(--ink-2); }
.box li { padding: 4px 0; }
.method { counter-reset: m; display: grid; gap: 18px; }
.method li { display: grid; grid-template-columns: 44px 1fr; gap: 6px; align-items: baseline; }
.method li::before { counter-increment: m; content: counter(m); font-family: var(--f-display); font-weight: 300; font-size: 34px; color: var(--gold-soft); line-height: 1; }
.method strong { color: var(--navy); font-weight: 500; }
.method span { color: var(--ink-2); font-size: 15.5px; }
.note { margin-top: 28px; font-size: 13.5px; color: var(--ink-2); max-width: 78ch; }
.p-cta { margin-top: clamp(32px, 4vw, 52px); display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; padding: 22px 26px; background: var(--navy); color: #fff; }
.p-cta p { flex: 1 1 300px; font-size: 15.5px; color: #dbe1ef; }
.p-cta p b { color: #fff; font-weight: 500; }

/* Protocoles Cryoskin */
.proto { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 36px; margin-top: 22px; }
.proto li { border-top: 1px solid var(--line); padding: 16px 0 20px; display: grid; gap: 6px; }
.proto h4 { margin: 0; font-family: var(--f-display); font-weight: 400; font-size: 20px; color: var(--navy); }
.proto p { font-size: 14.5px; color: var(--ink-2); }
.proto .meta { font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--gold); font-weight: 500; }
.temps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 22px; }
.temps b { display: block; font-family: var(--f-display); font-weight: 300; font-size: clamp(34px, 4vw, 54px); color: var(--navy); line-height: 1.1; }
.temps strong { display: block; font-weight: 500; color: var(--navy); margin: 4px 0; }
.temps span { font-size: 14.5px; color: var(--ink-2); }
.temps > div { border-top: 1px solid var(--gold-soft); padding-top: 14px; }

/* Tables de soin */
.tables { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 12px; }
.t-card { background: var(--paper); border: 1px solid var(--line); }
.t-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.t-card div { padding: 20px 22px 24px; }
.t-card h3 { font-size: 24px; margin-bottom: 8px; }
.t-card p { font-size: 15px; color: var(--ink-2); }
.carsat { background: var(--navy); color: #fff; }
.carsat .wrap { display: grid; grid-template-columns: auto 1fr; gap: clamp(24px, 5vw, 72px); align-items: center; }
.carsat .big { font-family: var(--f-display); font-weight: 300; font-size: clamp(84px, 13vw, 168px); line-height: .95; color: var(--gold-soft); }
.carsat h2 { color: #fff; font-size: clamp(26px, 3.4vw, 40px); margin: 10px 0 14px; }
.carsat p { color: #c8d0e2; max-width: 60ch; }
.carsat small { display: block; margin-top: 16px; color: #9aa6c1; font-size: 13px; max-width: 70ch; }
.carsat .actions { margin-top: 26px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.card { border: 1px solid var(--line); padding: clamp(24px, 3vw, 40px); background: var(--paper); }
.card h2 { font-size: clamp(28px, 3.4vw, 42px); margin: 10px 0 14px; }
.card p { color: var(--ink-2); }
.card .btn { margin-top: 26px; }
.coords { display: grid; gap: 22px; }
.coords div { border-top: 1px solid var(--line); padding-top: 14px; }
.coords small { display: block; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); font-weight: 500; margin-bottom: 4px; }
.coords b { font-family: var(--f-display); font-weight: 400; font-size: 24px; color: var(--navy); user-select: all; word-break: break-word; }
.after { margin-top: clamp(40px, 6vw, 72px); }

/* Texte légal */
.legal { max-width: 78ch; }
.legal h2 { font-size: 26px; margin: 40px 0 12px; }
.legal p, .legal li { color: var(--ink-2); margin-bottom: 10px; }
.todo { background: #fff6dc; color: #6b4e00; padding: 1px 6px; font-weight: 500; }

/* Pied de page */
.site-footer { background: var(--navy); color: #c8d0e2; padding-block: 56px 28px; }
.site-footer .top { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 36px; }
.site-footer img { height: 30px; width: auto; }
.site-footer .tag { margin-top: 18px; font-family: var(--f-display); font-weight: 300; font-size: 22px; color: #fff; line-height: 1.3; }
.site-footer h4 { margin: 0 0 14px; font: 500 12px var(--f-body); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-soft); }
.site-footer li { padding: 3px 0; font-size: 15px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer .bottom { margin-top: 44px; padding-top: 20px; border-top: 1px solid #2e4066; display: flex; flex-wrap: wrap; gap: 8px 28px; justify-content: space-between; font-size: 13px; color: #93a0bd; }

/* Tablette / mobile */
@media (max-width: 960px) {
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter-r) 20px var(--gutter-l); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 14px; }
  .menu-btn { display: inline-block; }
  .hero .wrap, .p-top, .p-grid, .approche, .contact-grid, .carsat .wrap { grid-template-columns: 1fr; }
  .product.flip .p-top .p-text { order: 0; }
  .hero figure { aspect-ratio: 4 / 3; order: -1; }
  .univers, .tables { grid-template-columns: 1fr; }
  .steps, .steps.four { grid-template-columns: 1fr; }
  .steps li { padding-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 18px; grid-template-columns: 56px 1fr; column-gap: 10px; }
  .steps .n { grid-row: span 2; }
  .temps { grid-template-columns: 1fr; }
  .site-footer .top { grid-template-columns: 1fr 1fr; }
  .p-media { aspect-ratio: 4 / 3; }
  .p-media.tall { aspect-ratio: 3 / 4; max-height: 520px; }
}
@media (max-width: 520px) {
  .site-footer .top { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .brand img { height: 26px; }
  .nav .btn, .hero .actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
