:root {
  --fond: #f7f7f4;
  --surface: #ffffff;
  --texte: #16181d;
  --doux: #5a606b;
  --trait: #e3e3dc;
  --accent: #1f5eff;
  --accent-texte: #ffffff;
  --rayon: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fond: #0f1115;
    --surface: #171a21;
    --texte: #eef0f4;
    --doux: #9aa1ad;
    --trait: #262a33;
    --accent: #6f95ff;
    --accent-texte: #0f1115;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.entete, .pied, main { max-width: 1040px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.entete { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 22px; padding-bottom: 22px; }
.marque { display: inline-flex; align-items: center; gap: 10px; color: var(--texte); text-decoration: none; font-weight: 700; letter-spacing: .04em; }
.marque svg { width: 34px; height: 34px; }
.marque rect { fill: var(--accent); }
.marque text { fill: var(--accent-texte); font: 700 16px system-ui, sans-serif; }
nav { display: flex; gap: 22px; flex-wrap: wrap; }
nav a { color: var(--doux); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--texte); }
.accroche { padding: 72px 0 56px; }
.surtitre { display: inline-block; margin: 0 0 18px; padding: 4px 12px; border: 1px solid var(--trait); border-radius: 999px; color: var(--doux); font-size: 14px; }
h1 { margin: 0 0 20px; font-size: clamp(32px, 5.2vw, 54px); line-height: 1.1; letter-spacing: -.02em; }
.chapeau { max-width: 680px; margin: 0; color: var(--doux); font-size: 19px; }
.bloc { padding: 44px 0; border-top: 1px solid var(--trait); }
h2 { margin: 0 0 24px; font-size: 26px; letter-spacing: -.01em; }
.grille { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.carte { background: var(--surface); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 22px; }
.carte h3 { margin: 0 0 8px; font-size: 18px; }
.carte p { margin: 0; color: var(--doux); font-size: 15.5px; }
.points { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; max-width: 760px; }
.points li { padding-left: 22px; position: relative; color: var(--doux); }
.points li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.points strong { color: var(--texte); }
.etat p { max-width: 720px; color: var(--doux); margin: 0; }
.texte { padding-top: 32px; padding-bottom: 48px; max-width: 760px; }
.texte h1 { font-size: 36px; }
.texte h2 { font-size: 19px; margin: 28px 0 8px; }
.texte p { color: var(--doux); margin: 0 0 8px; }
.pied { display: flex; justify-content: space-between; gap: 16px; padding-top: 28px; padding-bottom: 40px; border-top: 1px solid var(--trait); color: var(--doux); font-size: 14px; }
.pied a { color: var(--doux); }
@media (max-width: 560px) {
  nav { display: none; }
  .accroche { padding: 44px 0 36px; }
}