:root {
  --nuit: #0f3a4d;
  --or: #f5b301;
  --texte: #1f2a30;
  --doux: #5b6b73;
  --fond: #f6f3ec;
  --carte: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --texte: #e8eef1;
    --doux: #a9b8bf;
    --fond: #0b2633;
    --carte: #0f3a4d;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texte);
  background: var(--fond);
  line-height: 1.6;
}
header {
  background: var(--nuit);
  color: #fff;
  padding: 16px;
}
header a { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
.maj { color: var(--doux); font-size: 0.9rem; margin: 0 0 24px; }
.carte {
  background: var(--carte);
  border-radius: 16px;
  padding: 20px;
  margin: 24px 0;
}
.bouton {
  display: inline-block;
  background: var(--or);
  color: #1f2a30;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 12px;
  text-decoration: none;
}
a { color: inherit; }
ul { padding-left: 1.3rem; }
footer {
  text-align: center;
  color: var(--doux);
  font-size: 0.9rem;
  padding: 24px 16px 40px;
}
footer a { margin: 0 8px; }