:root {
  --ivoire: #FAF7F1;
  --ivoire-2: #F2ECE1;
  --or: #C08A3E;
  --or-clair: #E8C285;
  --or-fonce: #8F6528;
  --encre: #2E3138;
  --ardoise: #6E6A61;
  --sauge: #64806B;
  --ligne: rgba(46,49,56,0.12);
  --font-display: 'Petrona', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, sans-serif;

  /* En-tête toujours clair, peu importe le thème du système : le logo
     (texte foncé sur fond clair) devient illisible si ce fond bascule en
     sombre — ces jetons ne sont volontairement jamais redéfinis dans les
     blocs @media/[data-theme] ci-dessous. */
  --entete-fond: #FAF7F1;
  --entete-texte: #2E3138;
  --entete-texte-attenue: #6E6A61;
  --entete-bordure: rgba(46,49,56,0.12);
  --entete-accent: #C08A3E;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ivoire: #201F1B;
    --ivoire-2: #29271F;
    --or: #E8B564;
    --or-clair: #F2CE93;
    --or-fonce: #C08A3E;
    --encre: #F3EEE4;
    --ardoise: #B8AF9F;
    --sauge: #8FAE97;
    --ligne: rgba(243,238,228,0.14);
  }
}
:root[data-theme="dark"] {
  --ivoire: #201F1B;
  --ivoire-2: #29271F;
  --or: #E8B564;
  --or-clair: #F2CE93;
  --or-fonce: #C08A3E;
  --encre: #F3EEE4;
  --ardoise: #B8AF9F;
  --sauge: #8FAE97;
  --ligne: rgba(243,238,228,0.14);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ivoire);
  color: var(--encre);
  font-family: var(--font-body);
  line-height: 1.6;
}
.enveloppe { max-width: 1080px; margin: 0 auto; padding: 0 32px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; text-wrap: balance; margin: 0; color: var(--encre); }
p { margin: 0; color: var(--ardoise); max-width: 62ch; }
a { color: inherit; }
.etiquette {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--or-fonce);
  font-size: 20px;
  letter-spacing: 0.02em;
}

header.entete {
  border-bottom: 1px solid var(--entete-bordure);
  background: var(--entete-fond);
}
.barre-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 20px 0;
  gap: 12px 24px;
}
.marque { display: flex; align-items: center; gap: 10px; }
.nav-droite { display: flex; align-items: center; gap: 20px; font-size: 14px; flex-wrap: wrap; }

.logo-entete { height: 100px; width: auto; display: block; }
@media (max-width: 480px) {
  .logo-entete { height: 56px; }
  .nav-droite { gap: 12px; font-size: 13px; }
}
.langues { display: flex; gap: 6px; }
.langues a {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  background: none;
  border: 1px solid var(--entete-bordure);
  color: var(--entete-texte-attenue);
  border-radius: 6px;
  padding: 5px 10px;
  text-decoration: none;
}
.langues a[aria-current="true"] { background: var(--entete-texte); color: var(--entete-fond); border-color: var(--entete-texte); }
.lien-portail {
  font-weight: 600;
  font-size: 14px;
  color: var(--entete-texte);
  text-decoration: none;
  border-bottom: 1px solid var(--entete-accent);
  padding-bottom: 2px;
}

.heros { padding: 88px 0 64px; position: relative; overflow: hidden; }
.heros-grille { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.heros .etiquette { display: block; margin-bottom: 18px; }
.heros h1 { font-size: 44px; line-height: 1.14; letter-spacing: -0.01em; max-width: 15ch; }
.heros p.lede { font-size: 18px; margin-top: 20px; max-width: 46ch; }
.heros-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.bouton {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-block;
  border: 1px solid transparent;
}
.bouton-principal { background: var(--encre); color: var(--ivoire); }
.bouton-secondaire { border-color: var(--ligne); color: var(--encre); }

.onde-hero { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 20px; display: block; }

.vague-diviseur { display: block; width: 100%; height: 44px; }

section.bloc { padding: 72px 0; }
section.bloc.teinte { background: var(--ivoire-2); }
.entete-section { max-width: 54ch; margin-bottom: 44px; }
.entete-section h2 { font-size: 30px; margin-top: 10px; }
.entete-section p { margin-top: 14px; font-size: 16px; }

.grille-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grille-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.carte {
  background: var(--ivoire);
  border: 1px solid var(--ligne);
  border-radius: 14px;
  padding: 26px 24px;
}
section.bloc.teinte .carte { background: var(--ivoire-2); }
.carte h3 { font-size: 18px; margin-bottom: 10px; }
.carte p { font-size: 14.5px; }
.pastille-icone {
  width: 42px; height: 42px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--sauge) 18%, transparent);
  margin-bottom: 16px;
}
.pastille-icone svg { width: 22px; height: 22px; stroke: var(--sauge); fill: none; stroke-width: 1.6; }

.etapes-grille { display: grid; grid-template-columns: 1.3fr 1fr; gap: 44px; align-items: center; }
.etapes { display: grid; grid-template-columns: 1fr; gap: 28px; counter-reset: etape; }
.photo-etapes { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 18px; display: block; }
.etape { position: relative; padding-left: 0; }
.etape .num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 34px;
  color: var(--or);
  display: block;
  margin-bottom: 10px;
}
.etape h3 { font-size: 17px; margin-bottom: 8px; }
.etape p { font-size: 14.5px; }

.confiance { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: start; }
.colonne-confiance-droite { display: flex; flex-direction: column; gap: 20px; }
.photo-confiance { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 18px; display: block; }
.liste-confiance { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-direction: column; gap: 14px; }
.liste-confiance li { display: flex; gap: 12px; font-size: 15px; color: var(--encre); align-items: flex-start; }
.liste-confiance svg { flex-shrink: 0; width: 20px; height: 20px; stroke: var(--or-fonce); fill: none; stroke-width: 1.8; margin-top: 2px; }
.panneau-confiance {
  background: var(--encre); color: var(--ivoire);
  border-radius: 18px; padding: 40px 36px;
}
.panneau-confiance .etiquette { color: var(--or-clair); }
.panneau-confiance h3 { color: var(--ivoire); font-size: 22px; margin: 12px 0 10px; }
.panneau-confiance p { color: color-mix(in srgb, var(--ivoire) 78%, transparent); }

.bandeau-etroit { max-width: 640px; margin: 0 auto; text-align: center; }

.cta-finale { text-align: center; padding: 80px 0 90px; }
.cta-finale h2 { font-size: 32px; max-width: 20ch; margin: 0 auto; }
.cta-finale p { margin: 16px auto 0; font-size: 16px; }
.cta-finale .heros-actions { justify-content: center; margin-top: 28px; }

footer { border-top: 1px solid var(--ligne); padding: 36px 0; }
.pied-grille { display: flex; justify-content: space-between; align-items: center; font-size: 13.5px; color: var(--ardoise); flex-wrap: wrap; gap: 12px; }
.pied-liens { display: flex; gap: 20px; }
.pied-liens a { text-decoration: none; color: var(--ardoise); }

@media (max-width: 860px) {
  .heros-grille, .grille-3, .grille-2, .etapes, .confiance, .etapes-grille { grid-template-columns: 1fr; }
  .heros h1 { font-size: 34px; }
}