/* Cérébel : deux encres à plat (pétrole, menthe), fond gris-vert froid.
   Titres en Le Murmure (Velvetyne), texte en Atkinson Hyperlegible ; polices
   servies par le site (licences OFL dans polices/). */
@font-face { font-family: "Fraunces"; font-weight: 100 900; src: url("polices/Fraunces.woff2") format("woff2"); font-display: swap; }
@font-face { font-family: "Atkinson"; font-weight: 400; src: url("polices/Atkinson-400.woff2") format("woff2"); font-display: swap; }
@font-face { font-family: "Atkinson"; font-weight: 700; src: url("polices/Atkinson-700.woff2") format("woff2"); font-display: swap; }

:root {
  --bg: #eef3f1;
  --surface: #fbfdfc;
  --border: #cbd9d5;
  --fg: #0c2326;
  --fg-2: #3e5357;
  --fg-3: #566b6e;
  --accent: #0e6e6b;
  --accent-fonce: #0a5653;
  --menthe: #7fdcc0;
  --menthe-pale: #ddf0ec;
  --affiche: "Fraunces", Georgia, serif;
  --sans: "Atkinson", "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #081a1c;
    --surface: #0f2528;
    --border: #1e3b3e;
    --fg: #e2eeea;
    --fg-2: #a6bcb7;
    --fg-3: #809994;
    --accent: #7fdcc0;
    --accent-fonce: #0a5653;
    --menthe-pale: #12403e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 var(--sans); }
a { color: var(--accent); }
.page { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.texte { max-width: 720px; }

/* En-tête (pages intérieures) */
header.haut { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; }
.marque { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font: 500 30px/1 var(--affiche); font-variation-settings: "SOFT" 100; }
.marque img { width: 38px; height: 38px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
nav a { color: var(--fg-2); text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--fg); text-decoration: underline; text-underline-offset: 4px; }

/* Affiche d'accueil : aplat pétrole et trame d'impression */
.affiche { background: #0e6e6b; color: #ffffff; position: relative; overflow: hidden; }
.affiche::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.18;
  background-image: radial-gradient(#7fdcc0 0.9px, transparent 1.1px); background-size: 6px 6px;
  -webkit-mask-image: linear-gradient(115deg, transparent 35%, #000 95%); mask-image: linear-gradient(115deg, transparent 35%, #000 95%);
}
.affiche .page { position: relative; padding-bottom: 56px; }
.affiche .marque { color: #ffffff; }
.affiche nav a { color: #cfeae3; }
.affiche nav a:hover { color: #ffffff; }
.affiche h1 { font: 500 clamp(40px, 7vw, 76px)/1.05 var(--affiche); letter-spacing: -0.01em; margin: 40px 0 22px; text-wrap: balance; }
.affiche h1 em { font-style: normal; color: #7fdcc0; }
.affiche .chapeau { color: #ddf2ec; }
.affiche .note { color: #a9d6cc; }
.affiche .bouton { background: #7fdcc0; color: #0c2326; }
.affiche .bouton.second { background: transparent; color: #ffffff; border-color: #5fb3a7; }

h1, h2, h3 { font-family: var(--affiche); font-weight: 500; line-height: 1.1; font-variation-settings: "SOFT" 100; }
h1 { font-size: clamp(34px, 6vw, 52px); margin: 48px 0 18px; }
h2 { font-size: clamp(28px, 4.5vw, 40px); margin: 64px 0 18px; color: var(--accent); }
h3 { font-size: 21px; margin: 0 0 6px; }
.chapeau { font-size: 20px; color: var(--fg-2); max-width: 660px; margin: 0 0 28px; }

/* Boutons : aplats nets, sans ombre */
.bouton { display: inline-block; padding: 13px 20px; border-radius: 3px; background: var(--fg); color: var(--bg); text-decoration: none; font-weight: 700; }
.bouton.second { background: transparent; color: var(--fg); border: 1px solid var(--border); margin-left: 8px; }
.note { color: var(--fg-3); font-size: 14px; margin-top: 14px; }

/* Étapes : filets, pas de cartes */
.carte { padding: 18px 0 0; border-top: 2px solid var(--fg); }
.carte p { margin: 0; color: var(--fg-2); font-size: 16px; }
.etapes { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 28px; }
.numero { display: block; font: 500 44px/1 var(--affiche); font-variation-settings: "SOFT" 100; color: var(--accent); margin-bottom: 12px; }

/* Exemples de demandes */
.exemples { display: grid; gap: 0; border-top: 1px solid var(--border); }
.exemple { padding: 16px 0; border-bottom: 1px solid var(--border); display: grid; gap: 4px; }
.exemple p { margin: 0; }
.demande { font-size: 19px; font-weight: 700; color: var(--fg); }
.demande::before { content: "« "; color: var(--accent); }
.demande::after { content: " »"; color: var(--accent); }
.reponse { color: var(--fg-2); font-size: 16px; }
.reponse::before { content: "→ "; color: var(--accent); }

.outils { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 18px 0 0; padding: 0; list-style: none; }
.outils li { font-size: 15px; color: var(--fg-2); border-bottom: 2px solid var(--menthe); }

.encadre { background: var(--menthe-pale); padding: 22px 26px; margin: 24px 0; border-left: 4px solid var(--accent); }
.encadre ul { margin: 0; padding-left: 20px; }

/* Politique de confidentialité */
.texte h2 { font-size: 28px; margin-top: 44px; }
.texte li { margin: 4px 0; }
.texte table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 12px 0; }
.texte th, .texte td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
.texte th { background: var(--surface); }
.anglais { color: var(--fg-2); font-style: italic; }

footer { border-top: 1px solid var(--border); margin-top: 72px; padding: 24px 0 40px; font-size: 14px; color: var(--fg-3); display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--fg-3); }

@media (max-width: 560px) {
  .bouton.second { margin: 10px 0 0; }
  .texte table { display: block; overflow-x: auto; }
}