:root {
  --fond: #faf8f3;
  --surface: #ffffff;
  --encre: #1f2430;
  --encre-douce: #4a5160;
  --nuit: #14213d;
  --nuit-clair: #22325a;
  --accent: #8a6d3b;
  --trait: #e3ded3;
  --etabli: #2f6b4f;
  --experimental: #9a5b13;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --largeur: 46rem;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--fond);
  color: var(--encre);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.75;
}

img { max-width: 100%; height: auto; }

a { color: var(--nuit-clair); text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--nuit);
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 6vw, 3rem); margin: 0 0 0.5rem; }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 1.25rem; }
h3 { font-size: 1.2rem; margin: 2rem 0 0.75rem; }

p, ul, ol, dl, table { margin: 0 0 1.25rem; }
li + li { margin-top: 0.4rem; }

/* Bandeau */
.bandeau { background: var(--nuit); color: #e9ecf3; }
.bandeau .conteneur {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.75rem 1.5rem; padding-top: 1rem; padding-bottom: 1rem;
}
.marque {
  font-family: var(--serif); font-size: 1.15rem; font-weight: 600;
  color: #fff; text-decoration: none;
}
.marque small {
  display: block; font-family: var(--sans); font-size: 0.78rem; font-weight: 400;
  color: #b9c1d6; letter-spacing: 0.02em;
}
.nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0; padding: 0; list-style: none; }
.nav li + li { margin-top: 0; }
.nav a { color: #e9ecf3; text-decoration: none; font-size: 0.95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; text-decoration: underline; }

.conteneur { max-width: var(--largeur); margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }

/* En-tête de page */
.entete { padding: 4rem 0 2.5rem; border-bottom: 1px solid var(--trait); }
.sous-titre {
  font-family: var(--serif); font-style: italic; font-size: clamp(1.1rem, 3vw, 1.35rem);
  color: var(--encre-douce); margin: 0 0 1.5rem;
}
.editeur {
  font-size: 0.95rem; color: var(--encre-douce);
  border-left: 3px solid var(--accent); padding-left: 1rem; margin: 0;
}

/* Sommaire */
.sommaire { padding: 2.5rem 0; border-bottom: 1px solid var(--trait); }
.sommaire h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.sommaire ol { padding-left: 1.4rem; margin: 0; }
.sommaire li::marker { color: var(--accent); font-family: var(--serif); }

/* Sections */
main section { padding: 3.5rem 0; border-bottom: 1px solid var(--trait); scroll-margin-top: 1rem; }
main section:last-of-type { border-bottom: 0; }

.legende {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; font-size: 0.9rem;
  background: var(--surface); border: 1px solid var(--trait); border-radius: 6px;
  padding: 1rem 1.25rem; margin: 0 0 2rem;
}
.etiquette {
  display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 0.1rem 0.5rem; border-radius: 3px;
  vertical-align: 0.12em; margin-right: 0.35rem; white-space: nowrap;
}
.etiquette.etabli { background: #e5f0ea; color: var(--etabli); }
.etiquette.experimental { background: #f7ecdc; color: var(--experimental); }

.encadre {
  background: var(--surface); border: 1px solid var(--trait); border-radius: 6px;
  padding: 1.25rem 1.5rem; margin: 1.5rem 0;
}
.encadre > :last-child { margin-bottom: 0; }
.encadre.prudence { border-left: 4px solid var(--experimental); }

.ref { font-size: 0.8em; vertical-align: super; line-height: 0; text-decoration: none; }

.frise { list-style: none; padding: 0; margin: 0 0 1.25rem; border-left: 2px solid var(--trait); }
.frise li { position: relative; padding: 0 0 1.25rem 1.5rem; margin: 0; }
.frise li::before {
  content: ""; position: absolute; left: -7px; top: 0.6rem;
  width: 12px; height: 12px; border-radius: 50%; background: var(--nuit);
}
.frise strong { font-family: var(--serif); color: var(--nuit); }

.tableau { width: 100%; overflow-x: auto; margin: 0 0 1.5rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; background: var(--surface); }
th, td { text-align: left; vertical-align: top; padding: 0.75rem; border-bottom: 1px solid var(--trait); }
th { font-family: var(--serif); color: var(--nuit); font-weight: 600; }

.sources { padding-left: 1.4rem; font-size: 0.95rem; }
.sources li { margin-bottom: 0.75rem; overflow-wrap: anywhere; }
.sources li:target { background: #f3eee2; }

.maj { font-size: 0.9rem; color: var(--encre-douce); }

.a-completer { background: #fff3c4; padding: 0 0.25rem; border-radius: 2px; }

dl.fiche { display: grid; grid-template-columns: minmax(9rem, 14rem) 1fr; gap: 0.5rem 1.25rem; }
dl.fiche dt { font-weight: 600; }
dl.fiche dd { margin: 0; }

/* Pied de page */
.pied { background: var(--nuit); color: #c9d0e0; font-size: 0.92rem; padding: 2.5rem 0; margin-top: 2rem; }
.pied p { margin: 0 0 0.75rem; }
.pied a { color: #fff; }
.pied .nav { margin-bottom: 1rem; }

@media (max-width: 34rem) {
  body { font-size: 1.04rem; }
  .entete { padding-top: 2.75rem; }
  main section { padding: 2.75rem 0; }
  dl.fiche { grid-template-columns: 1fr; gap: 0.15rem; }
  dl.fiche dd { margin-bottom: 0.75rem; }
}