:root {
  --creme: #fff9f3;
  --encre: #221c17;
  --gris: #6d655d;
  --vert: #3f5a48;
  --trait: #e6ddd2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--creme);
  color: var(--encre);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

header {
  border-bottom: 1px solid var(--trait);
  padding: 20px 24px;
}

.retour {
  color: var(--vert);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  text-decoration: none;
}

main {
  margin: 0 auto;
  max-width: 44rem;
  padding: 48px 24px 72px;
}

h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 8px;
}

.date {
  color: var(--gris);
  font-size: 0.9rem;
  margin: 0 0 40px;
}

section { margin-bottom: 32px; }

h2 {
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  margin: 0 0 6px;
  text-transform: uppercase;
}

section p { margin: 0; }

.intro {
  font-size: 1.15rem;
  margin-bottom: 40px;
}

a { color: var(--vert); }

footer {
  border-top: 1px solid var(--trait);
  color: var(--gris);
  font-size: 0.9rem;
  padding: 32px 24px 48px;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 auto 16px;
  max-width: 44rem;
}

footer p {
  margin: 0 auto;
  max-width: 44rem;
}