/* Inno Dentaire : feuille de style commune (accueil + protocoles)
   Rigueur « ledger » (police fine, filets 1 px, aucune ombre) + identité du logo (bleu nuit, or). */

:root {
  --nuit: #0D1B2A;
  --nuit-2: #1B3550;
  --or: #C9A55A;
  --or-clair: #E3CD97;
  --or-trait: #A9842F;
  --or-fonce: #7A5C14;
  --or-pale: #F4EBD3;
  --blanc: #FFFFFF;
  --ivoire: #FAF8F3;
  --mist: #F6F8FB;
  --wash: #EEF2F7;
  --filet: #E3E8EF;
  --filet-fort: #C5CEDA;
  --texte-2: #44536A;
  --texte-3: #5A6B80;
  --texte-inactif: #66778E;
  --texte-sur-nuit: #B8C4D2;
  --texte-sur-nuit-2: #8FA1B7;

  --font: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max: 1320px;
  --gutter: 32px;
  --section: 96px;
  --r: 4px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  background: var(--blanc); color: var(--nuit);
  font-family: var(--font); font-weight: 300; font-size: 18px; line-height: 1.5;
  letter-spacing: -0.01em; font-feature-settings: "ss01" on, "tnum" on;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
:focus-visible { outline: 2px solid var(--or-fonce); outline-offset: 2px; border-radius: 2px; }
.on-dark :focus-visible { outline-color: var(--or); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--nuit); color: var(--blanc); padding: 10px 16px; border-radius: var(--r); z-index: 100; font-size: 14px; }
.skip:focus { left: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Progression ---------- */
.progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; background: var(--or); transform-origin: 0 50%; transform: scaleX(0); z-index: 60; }

/* ---------- Navigation ---------- */
.nav { position: fixed; inset: 0 0 auto 0; height: 76px; z-index: 50; border-bottom: 1px solid transparent; transition: background .4s var(--ease), border-color .4s var(--ease); }
.nav.scrolled, .nav.solid { background: rgba(255,255,255,.9); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-color: var(--filet); }
.nav .wrap { height: 100%; display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { width: 40px; height: 40px; border-radius: var(--r); }
.brand-name { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name span:first-child { font-size: 11px; font-weight: 400; letter-spacing: .28em; color: var(--texte-3); }
.brand-name span:last-child { font-size: 15px; font-weight: 400; letter-spacing: .16em; color: var(--nuit); }
.nav-links { display: flex; gap: 4px; }
.nav-links a { font-size: 15px; font-weight: 400; padding: 8px 12px; border-radius: var(--r); position: relative; transition: background .25s var(--ease); }
.nav-links a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 1px; background: var(--or); transform: scaleX(0); transform-origin: 0 50%; transition: transform .35s var(--ease); }
.nav-links a:hover { background: var(--wash); }
.nav-links a.active::after, .nav-links a[aria-current]::after { transform: scaleX(1); }
.nav-cta { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--filet-fort); border-radius: var(--r); background: var(--blanc); cursor: pointer; align-items: center; justify-content: center; }
.burger span, .burger span::before, .burger span::after { display: block; width: 18px; height: 1.5px; background: var(--nuit); position: relative; transition: transform .3s var(--ease), background .2s; }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; }
.burger span::before { top: -6px; } .burger span::after { top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }
.mobile-menu { position: fixed; inset: 76px 0 0 0; background: var(--blanc); z-index: 49; padding: 24px 16px 40px; display: none; flex-direction: column; gap: 4px; overflow-y: auto; }
.mobile-menu.open { display: flex; }
.mobile-menu a:not(.btn) { font-size: 22px; padding: 14px 4px; border-bottom: 1px solid var(--filet); }
.mobile-menu .btn { margin-top: 12px; justify-content: center; font-size: 16px; }

/* ---------- Boutons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font: 400 15px/1 var(--font); letter-spacing: -0.01em; padding: 15px 24px; border-radius: var(--r); border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease); }
.btn-sm { padding: 11px 16px; }
.btn-primary { background: var(--nuit); color: var(--blanc); }
.btn-primary:hover { background: var(--nuit-2); }
.btn-ghost { color: var(--nuit); border-color: var(--filet-fort); background: transparent; }
.btn-ghost:hover { border-color: var(--nuit); background: var(--mist); }
.btn-gold { background: var(--or); color: var(--nuit); }
.btn-gold:hover { background: var(--or-clair); }
.btn-ghost-dark { color: var(--blanc); border-color: rgba(201,165,90,.55); }
.btn-ghost-dark:hover { border-color: var(--or); background: rgba(255,255,255,.06); }
.chev { display: inline-block; transition: transform .3s var(--ease); }
.btn:hover .chev, .link:hover .chev, .card:hover .chev, .tile:hover .chev { transform: translateX(4px); }
.link { color: var(--nuit); font-weight: 400; display: inline-flex; align-items: center; gap: 6px; text-decoration: underline; text-decoration-color: var(--or-trait); text-underline-offset: 4px; text-decoration-thickness: 1px; transition: text-decoration-color .25s; }
.link:hover { text-decoration-color: var(--nuit); }

/* ---------- Typo de section ---------- */
.label { font-size: 12px; font-weight: 400; text-transform: uppercase; letter-spacing: .08em; color: var(--or-fonce); }
.h2 { margin-top: 16px; font-weight: 300; font-size: clamp(32px, 4vw, 48px); line-height: 1.05; letter-spacing: -0.02em; max-width: 780px; }
.sub { margin-top: 24px; font-size: 22px; line-height: 1.4; color: var(--texte-2); max-width: 660px; }
.block { padding: var(--section) 0; }
.rule { height: 1px; background: var(--filet); transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.4s var(--ease); }
.rule.is-in { transform: scaleX(1); }

/* ---------- Animations d'apparition ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.line { display: block; overflow: hidden; padding-bottom: .06em; }
.js .line > span { display: inline-block; transform: translateY(105%); transition: transform 1.1s var(--ease); }
.js .is-in .line > span { transform: none; }
.line:nth-child(2) > span { transition-delay: .08s; }
.line:nth-child(3) > span { transition-delay: .16s; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 184px 0 var(--section); overflow: hidden; }
.mesh { position: absolute; inset: -18% -10% auto 38%; height: 760px; clip-path: polygon(18% 0, 100% 0, 100% 72%, 0 100%); pointer-events: none; z-index: 0; }
.mesh canvas { width: 100%; height: 100%; display: block; }
.mesh .logo-ghost { position: absolute; right: 12%; top: 32%; width: 220px; opacity: .9; }
.hero .wrap { position: relative; z-index: 1; }
.eyebrow { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 12px; font-weight: 400; text-transform: uppercase; letter-spacing: .08em; color: var(--texte-3); }
.tag { font-size: 12px; text-transform: none; letter-spacing: 0; color: var(--or-fonce); background: var(--or-pale); border-radius: 9999px; padding: 4px 10px; }
.hero h1 { margin-top: 24px; max-width: 820px; font-weight: 300; font-size: clamp(40px, 6vw, 72px); line-height: 1.04; letter-spacing: -0.03em; }
.hero h1 .accent { color: var(--texte-3); }
.hero .lead { margin-top: 28px; max-width: 600px; font-size: 21px; line-height: 1.45; color: var(--texte-2); }
.hero .note { margin-top: 12px; font-size: 14px; color: var(--texte-3); max-width: 600px; }
.ctas { margin-top: 36px; display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Chiffres ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 72px; }
.stat { padding-top: 24px; border-top: 1px solid var(--filet); position: relative; }
.stat::before { content: ""; position: absolute; top: -1px; left: 0; height: 1px; width: 0; background: var(--or); transition: width 1.2s var(--ease) .2s; }
.stat.is-in::before { width: 48px; }
.stat .num { font-size: clamp(44px, 5vw, 56px); line-height: 1; letter-spacing: -0.025em; }
.stat .num small { font-size: .42em; color: var(--texte-3); letter-spacing: -0.01em; margin-left: 4px; }
.stat .cap { margin-top: 12px; font-size: 15px; font-weight: 400; color: var(--texte-3); max-width: 240px; line-height: 1.4; }

/* ---------- Cartes ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 64px; }
.card { --mx: 50%; --my: 50%; position: relative; padding: 32px; border-radius: var(--r); background: var(--blanc); border: 1px solid var(--filet); overflow: hidden; isolation: isolate; display: flex; flex-direction: column; transition: border-color .35s var(--ease), transform .5s var(--ease); }
.card::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; background: radial-gradient(340px circle at var(--mx) var(--my), var(--ivoire), transparent 70%); transition: opacity .35s var(--ease); }
.card:hover { border-color: var(--or-trait); transform: translateY(-2px); }
.card:hover::before { opacity: 1; }
.card .icon { width: 40px; height: 40px; color: var(--or-trait); }
.js .card .icon :is(path, circle, rect) { stroke-dasharray: 140; stroke-dashoffset: 140; transition: stroke-dashoffset 1.6s var(--ease) .2s; }
.js .card.is-in .icon :is(path, circle, rect) { stroke-dashoffset: 0; }
.card h3 { margin-top: 28px; font-weight: 300; font-size: 26px; line-height: 1.12; letter-spacing: -0.01em; }
.card p { margin-top: 12px; font-size: 16px; font-weight: 400; color: var(--texte-2); line-height: 1.5; }
.card ul { list-style: none; margin-top: 18px; display: grid; gap: 8px; }
.card li { font-size: 15px; font-weight: 400; color: var(--texte-2); display: flex; gap: 10px; align-items: baseline; }
.card li::before { content: ""; width: 12px; height: 1px; background: var(--or-trait); flex: none; transform: translateY(-4px); }
.card .more { margin-top: auto; padding-top: 24px; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 15px; }

/* ---------- Flux numérique ---------- */
.flow { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; margin-top: 64px; }
.flow-aside { position: sticky; top: 140px; align-self: start; }
.flow-visual { aspect-ratio: 1 / 1; max-width: 420px; border-radius: var(--r); background: var(--mist); border: 1px solid var(--filet); position: relative; overflow: hidden; }
.flow-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.flow-visual .stage { opacity: 0; transition: opacity .6s var(--ease); }
.flow-visual .stage.on { opacity: 1; }
.flow-counter { margin-top: 16px; font-size: 14px; font-weight: 400; color: var(--texte-3); }
.flow-counter b { font-weight: 400; color: var(--or-fonce); }
.step { padding: 40px 0 40px 32px; border-left: 1px solid var(--filet); position: relative; min-height: 44vh; display: flex; flex-direction: column; justify-content: center; }
.step::before { content: ""; position: absolute; left: -1px; top: 0; width: 1px; height: 0; background: var(--or); transition: height .8s var(--ease); }
.step.active::before { height: 100%; }
.step .n { font-size: 12px; font-weight: 400; color: var(--or-fonce); letter-spacing: .08em; text-transform: uppercase; }
.step h3 { margin-top: 12px; font-weight: 300; font-size: 32px; line-height: 1.1; letter-spacing: -0.02em; color: var(--texte-inactif); transition: color .5s var(--ease); }
.step.active h3 { color: var(--nuit); }
.step p { margin-top: 16px; font-size: 17px; color: var(--texte-2); max-width: 500px; }
.chips { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 13px; font-weight: 400; padding: 6px 12px; border-radius: 9999px; background: var(--blanc); border: 1px solid var(--filet-fort); color: var(--nuit); transition: border-color .25s, background .25s; }
.chip:hover { border-color: var(--or-trait); background: var(--ivoire); }

/* ---------- Tuiles protocoles ---------- */
.tiles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 64px; }
.tile { position: relative; padding: 28px 24px 24px; border-radius: var(--r); background: var(--mist); border: 1px solid transparent; display: flex; flex-direction: column; gap: 12px; min-height: 260px; overflow: hidden; transition: background .35s var(--ease), border-color .35s var(--ease); }
.tile::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--or); transform: scaleX(0); transform-origin: 0 50%; transition: transform .5s var(--ease); }
.tile:hover { background: var(--blanc); border-color: var(--filet); }
.tile:hover::after { transform: scaleX(1); }
.tile .num { font-size: 40px; line-height: 1; letter-spacing: -0.025em; color: var(--or-trait); }
.tile h3 { font-weight: 400; font-size: 18px; line-height: 1.25; letter-spacing: -0.01em; }
.tile p { font-size: 15px; font-weight: 400; color: var(--texte-2); line-height: 1.45; }
.tile .go { margin-top: auto; font-size: 14px; font-weight: 400; display: inline-flex; gap: 6px; }

/* ---------- Délais ---------- */
.ledger { margin-top: 64px; border-top: 1px solid var(--filet); }
.row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 22px 16px; border-bottom: 1px solid var(--filet); position: relative; transition: background .25s var(--ease), padding .35s var(--ease); }
.row::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--or); transform: scaleY(0); transition: transform .35s var(--ease); }
.row:hover { background: var(--mist); padding-left: 24px; }
.row:hover::after { transform: scaleY(1); }
.row .what { font-size: 20px; }
.row .what small { display: block; font-size: 14px; font-weight: 400; color: var(--texte-3); margin-top: 4px; }
.row .when { font-size: 32px; letter-spacing: -0.02em; text-align: right; }
.row .when small { display: block; font-size: 12px; font-weight: 400; color: var(--or-fonce); letter-spacing: 0; }
.footnote { margin-top: 20px; font-size: 15px; font-weight: 400; color: var(--texte-3); }

/* ---------- Traçabilité ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.panel { background: var(--wash); border-radius: var(--r); padding: 40px; }
.doc { background: var(--blanc); border: 1px solid var(--filet-fort); border-radius: var(--r); padding: 24px; font-size: 15px; font-weight: 400; }
.doc-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }
.doc-head span:first-child { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--texte-3); }
.stamp { font-size: 12px; color: var(--or-fonce); border: 1px solid var(--or-trait); border-radius: 9999px; padding: 3px 10px; transition: transform .6s var(--ease) .9s, opacity .6s var(--ease) .9s; }
.js .stamp { transform: scale(.6); opacity: 0; }
.js .panel.is-in .stamp { transform: none; opacity: 1; }
.doc-row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--filet); color: var(--texte-3); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.doc-row:last-child { border-bottom: 0; }
.doc-row b { font-weight: 400; color: var(--nuit); text-align: right; }
.js .doc-row { opacity: 0; transform: translateX(-8px); }
.js .panel.is-in .doc-row { opacity: 1; transform: none; }
.panel.is-in .doc-row:nth-child(3) { transition-delay: .15s; }
.panel.is-in .doc-row:nth-child(4) { transition-delay: .3s; }
.panel.is-in .doc-row:nth-child(5) { transition-delay: .45s; }
.panel.is-in .doc-row:nth-child(6) { transition-delay: .6s; }
.doc-caption { margin-top: 12px; font-size: 13px; font-weight: 400; color: var(--texte-3); }
.checks { list-style: none; margin-top: 40px; display: grid; gap: 20px; }
.checks li { display: grid; grid-template-columns: 24px 1fr; gap: 16px; font-size: 17px; color: var(--texte-2); line-height: 1.45; }
.checks svg { width: 20px; height: 20px; margin-top: 3px; color: var(--or-trait); }
.checks b { font-weight: 400; color: var(--nuit); display: block; }

/* ---------- Le laboratoire / valeurs ---------- */
.about { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: start; }
.about p.body { margin-top: 24px; font-size: 19px; color: var(--texte-2); line-height: 1.55; max-width: 520px; }
.values { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--filet); }
.value { padding: 32px 32px 32px 0; border-bottom: 1px solid var(--filet); position: relative; }
.value:nth-child(odd) { border-right: 1px solid var(--filet); }
.value:nth-child(even) { padding-left: 32px; padding-right: 0; }
.value .k { font-size: 12px; font-weight: 400; letter-spacing: .08em; color: var(--or-fonce); }
.value h3 { margin-top: 12px; font-weight: 300; font-size: 26px; letter-spacing: -0.01em; transition: color .3s; }
.value p { margin-top: 10px; font-size: 16px; font-weight: 400; color: var(--texte-2); line-height: 1.5; }
.value::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 0; background: var(--or); transition: width .6s var(--ease); }
.value:nth-child(even)::after { left: 32px; }
.value:hover::after { width: 64px; }

/* ---------- Démarrer ---------- */
.start { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 64px; }
.start .card { background: var(--mist); border-color: transparent; }
.start .card:hover { background: var(--blanc); border-color: var(--or-trait); }
.start .big { font-size: 56px; line-height: 1; letter-spacing: -0.025em; color: var(--filet-fort); transition: color .35s var(--ease); }
.start .card:hover .big { color: var(--or-trait); }

/* ---------- FAQ ---------- */
.faq { margin-top: 56px; border-top: 1px solid var(--filet); }
.faq details { border-bottom: 1px solid var(--filet); }
.faq summary { list-style: none; cursor: pointer; padding: 24px 48px 24px 0; font-size: 21px; position: relative; transition: color .25s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-size: 28px; color: var(--or-trait); transition: transform .35s var(--ease); }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: var(--nuit-2); }
.faq .answer { padding: 0 0 28px; max-width: 820px; font-size: 17px; color: var(--texte-2); line-height: 1.55; }
.faq .answer a { text-decoration: underline; text-decoration-color: var(--or-trait); text-underline-offset: 3px; }

/* ---------- Bandeau CTA + contact ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--nuit); color: var(--blanc); border-radius: var(--r); padding: 72px 64px; display: grid; grid-template-columns: 7fr 5fr; gap: 56px; align-items: center; }
.cta-band h2 { font-weight: 300; font-size: clamp(32px, 4vw, 48px); line-height: 1.05; letter-spacing: -0.02em; }
.cta-band p { margin-top: 20px; font-size: 19px; color: var(--texte-sur-nuit); max-width: 560px; }
.cta-band .glow { position: absolute; width: 560px; height: 560px; border-radius: 50%; right: -160px; top: -220px; background: radial-gradient(circle, rgba(201,165,90,.22), transparent 65%); pointer-events: none; transition: transform .25s linear; }
.contact-list { position: relative; display: grid; gap: 0; border-top: 1px solid rgba(255,255,255,.12); }
.contact-list > * { display: flex; flex-direction: column; gap: 2px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 17px; }
.contact-list small { font-size: 12px; font-weight: 400; letter-spacing: .08em; text-transform: uppercase; color: var(--or); }
.contact-list a { transition: color .2s; }
.contact-list a:hover { color: var(--or-clair); }

/* ---------- Pied de page ---------- */
footer { background: var(--nuit); color: var(--texte-sur-nuit); margin-top: var(--section); padding: 72px 0 40px; }
.foot { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.foot .logo-full { width: 168px; margin: -24px 0 0 -20px; }
.foot h2 { font-weight: 400; font-size: 14px; color: var(--blanc); margin-bottom: 16px; }
.foot a, .foot p { display: block; font-size: 15px; font-weight: 400; line-height: 2; color: var(--texte-sur-nuit); }
.foot a:hover { color: var(--or-clair); }
.legal { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; font-weight: 400; color: var(--texte-sur-nuit-2); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Pages protocoles ---------- */
.page-head { padding: 160px 0 56px; border-bottom: 1px solid var(--filet); background: linear-gradient(180deg, var(--ivoire), var(--blanc)); }
.crumbs { font-size: 14px; font-weight: 400; color: var(--texte-3); display: flex; flex-wrap: wrap; gap: 8px; }
.crumbs a { text-decoration: underline; text-decoration-color: var(--filet-fort); text-underline-offset: 3px; }
.crumbs a:hover { text-decoration-color: var(--or-trait); }
.page-head h1 { margin-top: 24px; font-weight: 300; font-size: clamp(36px, 5vw, 60px); line-height: 1.05; letter-spacing: -0.025em; max-width: 900px; }
.page-head .lead { margin-top: 20px; font-size: 21px; color: var(--texte-2); max-width: 720px; }
.article { display: grid; grid-template-columns: 260px 1fr; gap: 72px; padding-top: 64px; }
.toc { position: sticky; top: 120px; align-self: start; font-size: 14px; font-weight: 400; }
.toc p { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--or-fonce); margin-bottom: 12px; }
.toc a { display: block; padding: 7px 0 7px 14px; border-left: 1px solid var(--filet); color: var(--texte-3); transition: color .2s, border-color .2s; }
.toc a:hover, .toc a.active { color: var(--nuit); border-left-color: var(--or); }
.prose { max-width: 760px; font-size: 18px; color: var(--texte-2); line-height: 1.65; }
.prose > * + * { margin-top: 18px; }
.prose h2 { margin-top: 56px; font-weight: 300; font-size: 32px; line-height: 1.15; letter-spacing: -0.02em; color: var(--nuit); padding-top: 24px; border-top: 1px solid var(--filet); }
.prose h3 { margin-top: 32px; font-weight: 400; font-size: 20px; color: var(--nuit); }
.prose strong { font-weight: 400; color: var(--nuit); }
.prose a { color: var(--nuit); text-decoration: underline; text-decoration-color: var(--or-trait); text-underline-offset: 3px; word-break: break-word; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li + li { margin-top: 8px; }
.prose ol { list-style: none; counter-reset: st; padding-left: 0; }
.prose ol > li { counter-increment: st; position: relative; padding: 4px 0 4px 56px; min-height: 40px; }
.prose ol > li::before { content: counter(st, decimal-leading-zero); position: absolute; left: 0; top: 0; font-size: 26px; letter-spacing: -0.02em; color: var(--or-trait); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; font-weight: 400; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--filet); vertical-align: top; }
.prose th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--or-fonce); font-weight: 400; }
.prose code { font-size: .9em; background: var(--mist); padding: 2px 6px; border-radius: var(--r); }
.prose blockquote { border-left: 2px solid var(--or); padding: 4px 0 4px 20px; color: var(--texte-3); }
.prose .disclaimer { padding: 20px 24px; background: var(--mist); border-radius: var(--r); font-size: 15px; font-weight: 400; color: var(--texte-3); }
.prose .sources { font-size: 14px; font-weight: 400; }
.related { margin-top: 72px; }
.related .tiles { grid-template-columns: repeat(4, 1fr); margin-top: 24px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav-links, .nav-cta { display: none; }
  .burger { display: inline-flex; }
  .tiles, .related .tiles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .mesh { opacity: .45; }
  .cards, .start { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .flow, .split, .about, .cta-band, .article { grid-template-columns: 1fr; gap: 40px; }
  .flow-aside { position: relative; top: 0; }
  .step { min-height: auto; }
  .toc { position: relative; top: 0; }
  .foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; --section: 72px; }
  body { font-size: 17px; }
  .hero { padding-top: 128px; }
  .hero .lead, .sub { font-size: 18px; }
  .cards, .start, .stats, .tiles, .related .tiles, .values { grid-template-columns: 1fr; }
  .value, .value:nth-child(even) { padding: 28px 0; border-right: 0; }
  .value:nth-child(even)::after { left: 0; }
  .mesh { inset: -8% -50% auto 20%; height: 480px; opacity: .6; }
  .mesh .logo-ghost { display: none; }
  .row .what { font-size: 17px; }
  .row .when { font-size: 22px; }
  .cta-band { padding: 48px 24px; }
  .panel { padding: 16px; }
  .foot { grid-template-columns: 1fr; }
  .faq summary { font-size: 18px; }
  .page-head { padding-top: 120px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal], .js .line > span, .js .doc-row, .js .stamp { opacity: 1 !important; transform: none !important; }
  .rule { transform: none; }
  html { scroll-behavior: auto; }
}

/* Pause de l'animation du haut de page (WCAG 2.2.2) */
.mesh-toggle { position: absolute; right: var(--gutter); bottom: 24px; z-index: 2; display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 8px 12px; font: 400 13px/1 var(--font); color: var(--texte-2); background: rgba(255,255,255,.85); border: 1px solid var(--filet-fort); border-radius: var(--r); cursor: pointer; transition: border-color .25s, color .25s; }
.mesh-toggle:hover { border-color: var(--nuit); color: var(--nuit); }
@media (prefers-reduced-motion: reduce) { .mesh-toggle { display: none; } }

/* Avertissement en tête des protocoles */
.page-head .notice { margin-top: 20px; max-width: 720px; padding: 14px 18px; border-left: 2px solid var(--or); background: var(--blanc); font-size: 15px; font-weight: 400; color: var(--texte-2); }

/* Points à confirmer avant mise en ligne (à retirer une fois tranchés) */
mark.todo { background: #FFF1C2; color: #5C4300; padding: 1px 4px; border-radius: 2px; font-size: .9em; }