/* Tracés — une seule feuille, aucune police ni ressource extérieure. */
:root {
  --fond: #fbfaf7;
  --texte: #1d2320;
  --discret: #5b6660;
  --accent: #1f6f4a;
  --trait: #dcded8;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fond: #121513;
    --texte: #e6e9e5;
    --discret: #9aa39d;
    --accent: #6fcf9c;
    --trait: #2a302c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
header, main, footer { max-width: 42rem; margin: 0 auto; padding: 0 16px; }
header {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .5rem 1rem;
  padding-top: 1.25rem; padding-bottom: .75rem; border-bottom: 1px solid var(--trait);
}
header .nom { font-weight: 700; font-size: 1.15rem; color: var(--texte); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; font-size: .95rem; }
nav a[aria-current="page"] { color: var(--texte); text-decoration: none; }
main { padding-top: 1.5rem; padding-bottom: 2rem; }
h1 { font-size: 1.75rem; line-height: 1.2; margin: 0 0 .25rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
p, li { overflow-wrap: anywhere; }
.soustitre { color: var(--discret); font-size: 1.1rem; margin-top: 0; }
.discret { color: var(--discret); font-size: .95rem; }
a { color: var(--accent); }
footer {
  border-top: 1px solid var(--trait); padding-top: 1rem; padding-bottom: 2rem;
  color: var(--discret); font-size: .9rem;
}
footer p { margin: .25rem 0; }