/* Charte ST2S de Céline (reprise des gabarits Word) */
:root {
  --marine: #0B3D91;
  --texte: #263746;
  --bleu: #1E78B5;
  --bleu-clair: #EAF5FC;
  --vert: #0A6FA8;
  --vert-clair: #E3F4FD;
  --vert-pale: #F2FAFE;
  --orange: #B45309;
  --orange-clair: #FFF3E6;
  --violet: #7A2E8E;
  --violet-clair: #F4EAF7;
  --gris: #5A6878;
  --blanc: #FFFFFF;
  --rayon: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  color: var(--texte);
  background: var(--blanc);
  line-height: 1.6;
  font-size: 17px;
}

a { color: var(--bleu); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.conteneur { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* En-tête */
.entete {
  background: var(--marine);
  color: var(--blanc);
  position: sticky; top: 0; z-index: 10;
}
.entete .conteneur {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap;
}
.logo { color: var(--blanc); text-decoration: none; font-weight: bold; font-size: 1.25rem; }
.logo span { color: #8ED1F5; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--blanc); text-decoration: none; font-size: 0.95rem; }
.nav a:hover, .nav a[aria-current] { text-decoration: underline; }

/* Bandeau principal */
.hero {
  background: linear-gradient(135deg, var(--vert-pale) 0%, var(--bleu-clair) 100%);
  padding: 64px 0 56px;
  border-bottom: 4px solid var(--vert);
}
.hero h1 { color: var(--marine); font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.2; margin: 0 0 16px; }
.hero p.accroche { font-size: 1.15rem; max-width: 640px; margin: 0 0 28px; }
.etiquette {
  display: inline-block; background: var(--marine); color: var(--blanc);
  padding: 4px 12px; border-radius: 999px; font-size: 0.85rem; margin-bottom: 16px;
}

.bouton {
  display: inline-block; background: #F5A25C; color: var(--marine);
  padding: 12px 22px; border-radius: 8px; text-decoration: none; font-weight: bold;
  border: none; font-size: 1rem; cursor: pointer; font-family: inherit;
}
.bouton:hover { background: #F8BC86; }
.bouton.secondaire { background: var(--blanc); color: var(--marine); border: 2px solid var(--marine); }
.bouton.secondaire:hover { background: var(--bleu-clair); }
.bouton[aria-disabled="true"] { background: #B9C3CC; color: var(--marine); cursor: default; }

/* Sections */
section { padding: 56px 0; }
section.alt { background: var(--vert-pale); }
h2 {
  color: var(--marine); font-size: 1.7rem; margin: 0 0 8px;
  padding-left: 14px; border-left: 6px solid var(--vert);
}
.intro { color: var(--gris); margin: 0 0 32px; max-width: 720px; }

.grille { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

.etape {
  background: var(--blanc); border-radius: var(--rayon); padding: 20px;
  border-top: 5px solid var(--bleu); box-shadow: 0 2px 8px rgba(23, 50, 77, 0.08);
}
.etape .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--bleu); color: var(--blanc); font-weight: bold; margin-bottom: 8px;
}
.etape h3 { margin: 4px 0 8px; color: var(--marine); font-size: 1.1rem; }
.etape p { margin: 0; }

/* Offres */
.offre {
  background: var(--blanc); border: 2px solid var(--vert-clair); border-radius: var(--rayon);
  padding: 24px; display: flex; flex-direction: column;
}
.offre h3, .offre h4 { margin: 0 0 4px; color: var(--marine); font-size: 1.17rem; }
.offre .format { color: var(--gris); font-size: 0.9rem; margin: 0 0 12px; }
.offre ul { padding-left: 20px; margin: 0 0 16px; flex: 1; }
.offre li { margin-bottom: 4px; }
.prix { font-size: 1.8rem; font-weight: bold; color: var(--marine); margin: 0 0 12px; }
.prix small { font-size: 0.85rem; color: var(--gris); font-weight: normal; }
.offre.vedette { border-color: var(--orange); background: var(--orange-clair); position: relative; }
.offre.vedette::before {
  content: "Le plus complet"; position: absolute; top: -12px; right: 16px;
  background: #F5A25C; color: var(--marine); font-size: 0.8rem; font-weight: bold;
  padding: 2px 10px; border-radius: 999px;
}
.offre.bientot { border-style: dashed; border-color: var(--violet); background: var(--violet-clair); }

.encadre {
  border-radius: var(--rayon); padding: 18px 20px; margin-top: 28px;
  background: var(--bleu-clair); border-left: 6px solid var(--bleu);
}
.encadre.parents { background: var(--orange-clair); border-left-color: var(--orange); }
.encadre a { color: var(--marine); }
.hero .bouton { margin: 0 8px 10px 0; }
.petit { font-size: 0.85rem; color: var(--gris); margin: 0; }
.petit.espace { margin-top: 16px; }
.niveau { color: var(--marine); font-size: 1.2rem; margin: 28px 0 14px; }
@media (min-width: 1000px) { #offres .grille:first-of-type { grid-template-columns: repeat(4, 1fr); } }

/* FAQ */
details {
  background: var(--blanc); border: 1px solid #D6E2EC; border-radius: 8px;
  padding: 14px 18px; margin-bottom: 10px;
}
summary { cursor: pointer; font-weight: bold; color: var(--marine); }
details p { margin: 10px 0 0; }

/* Formulaire */
.formulaire { display: flex; flex-direction: column; gap: 12px; max-width: 520px; }
.formulaire label { font-weight: bold; color: var(--marine); }
.formulaire input[type="email"],
.formulaire input[type="text"],
.formulaire input[type="date"] {
  padding: 12px; border: 2px solid #C5D3DF; border-radius: 8px; font-size: 1rem; font-family: inherit;
}
.case { display: flex; gap: 10px; align-items: flex-start; font-weight: normal !important; color: var(--texte) !important; font-size: 0.92rem; }
.case input { margin-top: 4px; }
.cache { position: absolute; left: -9999px; }

/* Pied de page */
.pied { background: var(--marine); color: #D6E2EC; padding: 32px 0; font-size: 0.9rem; }
.pied a { color: var(--blanc); }
.pied .liens { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 12px; }
.pied p { margin: 6px 0; }

/* Pages juridiques */
.page-texte { padding: 40px 0 64px; }
.page-texte h1 { color: var(--marine); }
.page-texte h2 { font-size: 1.25rem; margin-top: 32px; }
.maj { color: var(--gris); font-size: 0.9rem; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav { gap: 12px; }
  .hero { padding: 40px 0; }
  .entete { position: static; }
  section { padding: 40px 0; }
}

/* Tableaux (pages bac et terminologie) */
.tableau-defile { overflow-x: auto; }
.tableau { width: 100%; border-collapse: collapse; background: var(--blanc); font-size: 0.95rem; }
.tableau th, .tableau td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #D6E2EC; vertical-align: top; }
.tableau thead th { background: var(--marine); color: var(--blanc); }
.tableau tbody th { color: var(--marine); white-space: nowrap; }
details.theme { margin-bottom: 12px; }
details.theme .tableau-defile { margin-top: 12px; }

/* Les images à connaître (reviser.html#images) */
#images { border-top: 1px solid #D6E2EC; }
.grille-images { display: grid; gap: 28px; grid-template-columns: 1fr; }
.carte-image {
  background: var(--blanc); border: 2px solid var(--vert-clair); border-top: 5px solid var(--vert);
  border-radius: var(--rayon); padding: 20px; box-shadow: 0 2px 8px rgba(23, 50, 77, 0.08);
}
.carte-image h4 { margin: 0 0 4px; color: var(--marine); font-size: 1.12rem; }
.mention-simplifie { margin: 0 0 12px; font-size: 0.9rem; color: var(--gris); font-style: italic; }
.schema { margin: 0; }
.schema-svg { display: block; width: 100%; height: auto; max-height: 78vh; margin: 0 auto; }
.schema-svg text { font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; fill: var(--marine); }
.schema-svg .num { font-weight: bold; fill: var(--bleu); }
.schema-svg .traits line { stroke: var(--marine); stroke-width: 2; vector-effect: non-scaling-stroke; }
.schema-svg .traits line.halo { stroke: var(--blanc); stroke-width: 5; stroke-opacity: 0.85; }
.schema-svg .trou { display: none; fill: var(--bleu-clair); stroke: var(--bleu); stroke-dasharray: 5 4; vector-effect: non-scaling-stroke; }
.fleche-fonction line { stroke: var(--orange); stroke-width: 7; }
.fleche-fonction path { fill: var(--orange); }
.schema.masque .txt { visibility: hidden; }
.schema.masque .trou { display: inline; }
.schema.etroit .txt, .schema.etroit .trou { display: none; }
/* Liste des légendes : lue par les lecteurs d'écran ; visible sous le schéma sur petit écran */
.liste-legendes {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.schema.etroit .liste-legendes {
  position: static; width: auto; height: auto; overflow: visible; clip: auto; white-space: normal;
  margin: 12px 0 0; padding-left: 28px; columns: 2 150px; column-gap: 20px;
}
.schema.etroit .liste-legendes li { margin-bottom: 4px; break-inside: avoid; }
.schema.etroit .liste-legendes li::marker { color: var(--bleu); font-weight: bold; }
.schema.masque .liste-legendes li { border-bottom: 2px dashed var(--bleu); }
.schema.masque .liste-legendes span { visibility: hidden; }
.cle-couleurs { margin: 10px 0 0; font-size: 0.92rem; }
.pastille-fleche {
  display: inline-block; vertical-align: middle; width: 30px; height: 7px; margin-right: 18px;
  background: var(--orange); border-radius: 2px; position: relative;
}
.pastille-fleche::after {
  content: ""; position: absolute; right: -9px; top: -5px;
  border-left: 10px solid var(--orange); border-top: 8px solid transparent; border-bottom: 8px solid transparent;
}
.carte-image .source { margin-top: 10px; font-size: 0.82rem; color: var(--gris); }
.bascule-legendes { margin-top: 14px; }
.bascule-legendes[aria-pressed="true"] { background: var(--marine); color: var(--blanc); }
.bascule-legendes[aria-pressed="true"]:hover { background: #24496D; }
@media (max-width: 640px) { .carte-image { padding: 14px; } }

/* Tableaux empilés sur téléphone */
@media (max-width: 640px) {
  .tableau thead { display: none; }
  .tableau tr { display: block; padding: 10px 0; border-bottom: 2px solid #D6E2EC; }
  .tableau th, .tableau td { display: block; border: none; padding: 4px 12px; white-space: normal; }
  .tableau td[data-label]::before { content: attr(data-label) " : "; font-weight: bold; color: var(--marine); }
  .tableau tbody th { white-space: normal; }
}
.schema-svg .accolade { fill: none; stroke: var(--marine); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
.fleche-fonction line { stroke-linecap: round; }
.lien-agrandir { margin: 8px 0 0; font-size: 0.92rem; }
@media (min-width: 641px) { section[id], article[id] { scroll-margin-top: 170px; } }

/* =========================================================
   Refonte visuelle (29/10/2026) : typographie, boutons, cartes,
   bandeau photo de l'accueil, illustrations scientifiques.
   Police : Poppins (SIL OFL) auto-hébergée dans fonts/ si présente,
   sinon police système. Aucun appel à un serveur tiers.
   ========================================================= */
@font-face { font-family: "Poppins"; src: url("fonts/Poppins-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Poppins"; src: url("fonts/Poppins-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }
:root {
  --police-titre: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ombre-douce: 0 10px 30px rgba(23, 50, 77, 0.10);
  --ombre-forte: 0 18px 40px rgba(23, 50, 77, 0.18);
  --rayon: 18px;
}
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
h1, h2, h3, .logo, .prix, .etiquette, .bouton { font-family: var(--police-titre); }
h1 { font-weight: 700; letter-spacing: -0.01em; }
h2 { font-weight: 700; }
h3 { font-weight: 600; }

/* En-tête légèrement translucide */
.entete { background: rgba(23, 50, 77, 0.96); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); box-shadow: 0 2px 14px rgba(0,0,0,0.12); }
.nav a { position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: #8ED1F5; transform: scaleX(0); transition: transform .2s ease; }
.nav a:hover { text-decoration: none; }
.nav a:hover::after, .nav a[aria-current]::after { transform: scaleX(1); }

/* Boutons arrondis avec ombre */
.bouton { border-radius: 999px; padding: 13px 26px; box-shadow: 0 6px 16px rgba(233, 120, 23, 0.28); transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.bouton:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(233, 120, 23, 0.34); }
.bouton.secondaire { box-shadow: 0 4px 12px rgba(23, 50, 77, 0.12); }
.bouton[aria-disabled="true"] { box-shadow: none; transform: none; }

/* Cartes : ombre douce, survol */
.etape, .offre, .carte-image, details { transition: transform .2s ease, box-shadow .2s ease; }
.etape { border-radius: var(--rayon); box-shadow: var(--ombre-douce); border-top: none; padding: 0 0 22px; overflow: hidden; }
.etape > :not(figure) { margin-left: 22px; margin-right: 22px; }
.etape .num { margin-top: 18px; }
.etape:hover, .offre:hover { transform: translateY(-4px); box-shadow: var(--ombre-forte); }
.offre { border: 1px solid #DCE7EF; box-shadow: var(--ombre-douce); border-radius: var(--rayon); }
.offre.vedette { border: 2px solid var(--orange); background: linear-gradient(180deg, #FFF7EE 0%, var(--blanc) 100%); }
.offre.vedette::before { top: -14px; padding: 4px 14px; box-shadow: 0 4px 10px rgba(233,120,23,.3); font-family: var(--police-titre); }
@media (min-width: 1000px) { .offre.vedette { transform: scale(1.03); } .offre.vedette:hover { transform: scale(1.03) translateY(-4px); } }
.encadre { border-radius: var(--rayon); }
@media (prefers-reduced-motion: reduce) { .etape, .offre, .bouton, .planche img { transition: none !important; } .etape:hover, .offre:hover, .bouton:hover { transform: none !important; } }

/* Bandeaux des pages intérieures */
.hero { background: radial-gradient(circle at 85% 20%, rgba(91,158,56,.16), transparent 45%), linear-gradient(135deg, var(--vert-pale) 0%, var(--bleu-clair) 100%); }

/* Bandeau photo de l'accueil */
.hero-photo {
  position: relative; color: var(--blanc); border-bottom: none;
  padding: 72px 0 64px; min-height: min(86vh, 720px); display: flex; align-items: center;
  background:
    linear-gradient(100deg, rgba(23,50,77,.94) 0%, rgba(23,50,77,.84) 42%, rgba(23,50,77,.45) 100%),
    url("images/photo-hero-classe.jpg") center / cover no-repeat,
    linear-gradient(135deg, #17324D 0%, #1E78B5 100%);
}
.hero-photo .conteneur { width: 100%; }
.hero-photo h1 { color: var(--blanc); font-size: clamp(2rem, 4.6vw, 3.2rem); }
.hero-photo p.accroche { color: #E6EEF5; }
.hero-photo .etiquette { background: #8ED1F5; color: var(--marine); font-weight: 600; }
.hero-photo .bouton.secondaire { background: transparent; color: var(--blanc); border-color: var(--blanc); }
.hero-photo .bouton.secondaire:hover { background: rgba(255,255,255,.12); }
.hero-grille { display: grid; gap: 40px; grid-template-columns: 1.25fr 1fr; align-items: center; }
.planche { margin: 0; background: rgba(255,255,255,.96); border-radius: 22px; padding: 18px 18px 12px; box-shadow: 0 24px 50px rgba(0,0,0,.28); color: var(--texte); }
.planche-grille { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.planche-grille figure { margin: 0; background: var(--bleu-clair); border-radius: 14px; padding: 10px 8px 6px; text-align: center; }
.planche-grille img { display: block; width: 100%; height: 130px; object-fit: contain; transition: transform .25s ease; }
.planche-grille figure:hover img { transform: scale(1.06); }
.planche-grille figcaption { font-family: var(--police-titre); font-weight: 600; font-size: .9rem; color: var(--marine); margin-top: 4px; }
.mention { display: block; font-size: .74rem; color: var(--gris); line-height: 1.35; margin-top: 8px; }
.planche > .mention { text-align: center; }

/* Bandeau des atouts */
.atouts { padding: 0; background: var(--blanc); }
.atouts-liste { list-style: none; margin: -36px 0 0; padding: 22px; display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); background: var(--blanc); border-radius: var(--rayon); box-shadow: var(--ombre-forte); position: relative; z-index: 2; }
.atouts-liste li { display: grid; grid-template-columns: 46px 1fr; column-gap: 12px; align-items: center; }
.atouts-liste strong { color: var(--marine); font-family: var(--police-titre); font-weight: 600; grid-column: 2; line-height: 1.25; }
.atouts-liste li > span:last-child { grid-column: 2; color: var(--gris); font-size: .88rem; line-height: 1.3; }
.atout-icone { grid-row: 1 / span 2; width: 46px; height: 46px; border-radius: 14px; background: var(--vert-clair); display: flex; align-items: center; justify-content: center; }
.atout-icone svg { width: 24px; height: 24px; fill: none; stroke: var(--vert); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* Illustration en tête de chaque étape */
.etape-image { margin: 0; background: linear-gradient(180deg, var(--bleu-clair), #F6FAFD); padding: 16px 16px 10px; text-align: center; border-bottom: 4px solid var(--bleu); }
.etape-image img { display: block; margin: 0 auto; max-width: 100%; width: auto; height: 140px; object-fit: contain; }
.etape-image figcaption { font-size: .85rem; font-weight: bold; color: var(--marine); margin-top: 8px; }
.etape-image .mention { font-weight: normal; margin-top: 2px; }

/* Photos d'ambiance */
.photo-ambiance { margin: 0; }
.photo-ambiance img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--rayon); box-shadow: var(--ombre-douce); }
.photo-ambiance figcaption { font-size: .78rem; color: var(--gris); margin-top: 6px; }
.photo-ambiance.absente { display: none; }
.encadre-photo { display: grid; grid-template-columns: 300px 1fr; gap: 24px; align-items: center; }
.encadre-photo:has(.absente) { grid-template-columns: 1fr; }
.auteur-grille, .liste-grille { display: grid; gap: 36px; grid-template-columns: 1fr 1fr; align-items: center; }
.auteur-grille:has(.absente), .liste-grille:has(.absente) { grid-template-columns: 1fr; }
.auteur-grille .intro { margin-bottom: 0; }
.pied .credits { font-size: .8rem; color: #B9C9D8; margin-top: 12px; }

/* Bandeau d'organes (page Terminologie) */
.bande-organes { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(5, 1fr); }
.bande-organes li { background: var(--blanc); border-radius: 14px; box-shadow: var(--ombre-douce); padding: 10px 8px 8px; text-align: center; }
.bande-organes figure { margin: 0; }
.bande-organes img { display: block; margin: 0 auto; width: 100%; height: 86px; object-fit: contain; }
.bande-organes figcaption { font-size: .85rem; color: var(--marine); margin-top: 4px; line-height: 1.3; }
.bande-organes b { font-family: var(--police-titre); color: var(--bleu); }

@media (max-width: 900px) {
  .hero-grille { grid-template-columns: 1fr; gap: 28px; }
  .hero-photo { min-height: 0; }
  .atouts-liste { grid-template-columns: 1fr 1fr; }
  .auteur-grille, .liste-grille { grid-template-columns: 1fr; }
  .liste-grille .photo-ambiance { order: -1; max-width: 520px; }
}
@media (max-width: 640px) {
  .hero-photo { padding: 40px 0 56px; background-position: center, 30% center, center; }
  .planche { padding: 12px 12px 8px; }
  .planche-grille { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .planche-grille figure { padding: 6px 4px 4px; border-radius: 10px; }
  .planche-grille img { height: 70px; }
  .planche-grille figcaption { font-size: .72rem; }
  .atouts-liste { grid-template-columns: 1fr; margin-top: -28px; padding: 16px; }
  .encadre-photo { grid-template-columns: 1fr; }
  .bande-organes { grid-template-columns: repeat(3, 1fr); }
  .bande-organes img { height: 64px; }
  .etape-image img { height: 120px; }
}
/* Étapes : illustrations de même hauteur, 4 colonnes sur grand écran */
.etape-image { min-height: 232px; display: flex; flex-direction: column; justify-content: space-between; }
.etape-image img { height: 128px; }
.etape-image .mention { font-size: .7rem; }
@media (min-width: 1000px) { #methode .grille { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) { .etape-image { min-height: 0; } }
.offre .bouton { display: block; text-align: center; padding: 12px 14px; white-space: nowrap; font-size: .95rem; }

/* Offre par thème (29/10/2026) */
.themes-grille { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; margin-bottom: 8px; }
.themes-bloc { background: var(--blanc); border-radius: var(--rayon); box-shadow: var(--ombre-douce); padding: 18px 20px; }
.themes-classe { margin: 0 0 8px; font-family: var(--police-titre); font-weight: 600; color: var(--vert); text-transform: uppercase; letter-spacing: .04em; font-size: .85rem; }
.themes-liste { list-style: none; margin: 0; padding: 0; }
.theme-dispo { display: grid; grid-template-columns: 30px 1fr auto; gap: 12px; align-items: center; padding: 10px 0; border-top: 1px solid #E3ECF3; }
.theme-dispo:first-child { border-top: none; }
.theme-num { width: 30px; height: 30px; border-radius: 50%; background: var(--bleu-clair); color: var(--bleu); font-weight: bold; display: flex; align-items: center; justify-content: center; font-size: .9rem; }
.theme-nom { color: var(--marine); font-weight: 600; line-height: 1.3; }
.bouton.petit-bouton { padding: 7px 14px; font-size: .8rem; white-space: nowrap; }
.grille-offres { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
@media (min-width: 1000px) { .grille-offres { grid-template-columns: repeat(3, 1fr); } }
.offre.terminale { border: 2px solid var(--violet); background: linear-gradient(180deg, var(--violet-clair) 0%, var(--blanc) 100%); }
@media (max-width: 900px) { .themes-grille { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .theme-dispo { grid-template-columns: 30px 1fr; }
  .theme-dispo .bouton { grid-column: 2; justify-self: start; }
}

/* Corrections contrôle qualité (29/10/2026) */
.themes-classe { color: #3F7A22; }
.theme-dispo { grid-template-columns: 1fr auto; }
.etiquette-bientot {
  display: inline-block; white-space: nowrap; font-size: .75rem; font-weight: 600;
  color: var(--gris); background: #EEF2F5; border: 1px solid #D6E2EC;
  padding: 4px 12px; border-radius: 999px;
}
@media (max-width: 640px) {
  .theme-dispo { grid-template-columns: 1fr; gap: 6px; }
  .theme-dispo .etiquette-bientot { justify-self: start; }
}

/* Rôle du site et section « Pourquoi ce site ? » */
.role-site { font-family: var(--police-titre); font-weight: 600; font-size: 1.12rem; line-height: 1.4; margin: 0 0 14px; padding-left: 14px; border-left: 4px solid #8ED1F5; max-width: 640px; }
.hero-photo .role-site { color: var(--blanc); }
.role-site.role-clair { color: var(--marine); border-left-color: var(--vert); margin-top: 12px; }
#pourquoi { padding-top: 64px; }
.pourquoi-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.pourquoi-liste li { display: flex; gap: 14px; align-items: flex-start; background: var(--vert-pale); border-radius: var(--rayon); padding: 20px; border: 1px solid var(--vert-clair); }
.pourquoi-num { flex: 0 0 38px; height: 38px; border-radius: 12px; background: #3F7A22; color: var(--blanc); font-weight: bold; display: flex; align-items: center; justify-content: center; font-family: var(--police-titre); }
.pourquoi-liste h3 { margin: 2px 0 6px; color: var(--marine); font-size: 1.05rem; }
.pourquoi-liste p { margin: 0; }
@media (max-width: 900px) { .pourquoi-liste { grid-template-columns: 1fr; } }
@media (max-width: 640px) { #pourquoi { padding-top: 48px; } }
.etape-image { min-height: 250px; }

.offre.vedette.tout::before { content: "Le meilleur prix"; }

/* Sigle ST2S BPH, en haut à droite, en face de « Objectif BPH » */
.entete .conteneur { position: relative; padding-right: 150px; min-height: 132px; }
.sigle { position: absolute; top: 8px; right: 16px; line-height: 0; }
.entete .nav { margin-left: auto; }
.sigle img { width: 120px; height: 120px; border-radius: 50%; display: block; box-shadow: 0 0 0 2px rgba(255,255,255,.25); }
@media (max-width: 640px) {
  .entete .conteneur { padding-right: 104px; min-height: 96px; }
  .sigle img { width: 84px; height: 84px; }
}

/* Bandeau du haut : bleu assorti au sigle */
.entete { background: linear-gradient(90deg, #0B3D91 0%, #1259B8 100%); }
.pied { background: #0B3D91; }

.pied .petit { color: #D6E2EC; }