:root {
  --fond: #F5F1F2;
  --encre: #241E26;
  --secondaire: #7A7079;
  --filet: #E3DBDE;
  --accent: #2E6F5E;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fond: #1A171B;
    --encre: #EFE9EC;
    --secondaire: #9C9099;
    --filet: #332D33;
    --accent: #6FBFA3;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px 80px;
  background: var(--fond);
  color: var(--encre);
  font-family: ui-rounded, "Segoe UI", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 68ch;
  margin: 0 auto;
  padding-top: 56px;
}

h1 {
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  text-wrap: balance;
}

h2 {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
  padding-top: 24px;
  border-top: 1px solid var(--filet);
}

h2:first-of-type { border-top: 0; padding-top: 0; }

h3 {
  font-size: 1rem;
  margin: 26px 0 8px;
}

p, li { margin: 0 0 14px; }

.chapo {
  font-size: 1.08rem;
  color: var(--secondaire);
}

.maj {
  font-size: 0.85rem;
  color: var(--secondaire);
  margin-bottom: 36px;
}

ul { padding-left: 22px; }

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.liens {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 40px;
}

.liens a {
  padding: 10px 16px;
  border: 1px solid var(--filet);
  border-radius: 12px;
  background: var(--fond);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
}

.retour {
  display: inline-block;
  margin-bottom: 28px;
  font-size: 0.9rem;
}

section[lang="en"] {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--filet);
  color: var(--secondaire);
}

section[lang="en"] h2 { border-top: 0; padding-top: 0; color: var(--encre); }