:root {
  --bleu: #2f6db5;        /* bleu du logo (#5290d8) assombri pour un contraste AA sur blanc */
  --bleu-fonce: #24578f;
  --bleu-logo: #5290d8;
  --acier: #788087;
  --nuit: #1f2a36;
  --texte: #2b2f33;
  --gris: #5c646b;
  --fond: #f3f5f7;
  --blanc: #fff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--texte); background: var(--nuit); min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; background: var(--blanc); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu); }
a:focus-visible, .bouton:focus-visible { outline: 3px solid var(--bleu-logo); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.25; color: var(--nuit); margin: 0 0 .6em; }
ul { padding-left: 1.2em; }
.contenu { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section.gris { background: var(--fond); }
.titre { text-align: center; margin-bottom: 40px; }
.titre h2 { font-size: 2rem; }
.titre h2::after { content: ""; display: block; width: 60px; height: 3px; background: var(--bleu-logo); margin: 14px auto 0; }
.sous-titre { font-size: 1.4rem; margin-top: 48px; padding-bottom: 8px; border-bottom: 2px solid var(--fond); }
.texte { max-width: 820px; }
.texte p { margin: 0 0 1em; }
.evitement { position: absolute; left: -9999px; top: 0; background: var(--blanc); padding: 8px 16px; z-index: 10; }
.evitement:focus { left: 8px; top: 8px; }

/* Barre du haut, en-tete, menu */
.barre { background: var(--nuit); color: #c9ced3; font-size: .875rem; }
.barre .contenu { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px 20px; padding-top: 8px; padding-bottom: 8px; }
.barre a { color: #fff; text-decoration: none; }
.barre a:hover { text-decoration: underline; }
.entete { background: var(--blanc); border-bottom: 1px solid #e3e6e9; }
.entete .contenu { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
.entete .logo img { width: 96px; }
.badges { display: flex; gap: 32px; flex-wrap: wrap; }
.badge strong { display: block; color: var(--nuit); font-size: .95rem; }
.badge span { color: var(--gris); font-size: .85rem; }
.menu { background: var(--bleu); }
.menu ul { list-style: none; margin: 0 auto; padding: 0 20px; max-width: 1140px; display: flex; flex-wrap: wrap; }
.menu a { display: block; padding: 14px 15px; color: #fff; text-decoration: none; font-weight: 600; font-size: .92rem; }
.menu a:hover, .menu a[aria-current="page"] { background: var(--bleu-fonce); }
.ariane { background: var(--fond); font-size: .875rem; color: var(--gris); }
.ariane .contenu { padding-top: 8px; padding-bottom: 8px; }

/* Bandeau de page (image en <img> pour le chargement prioritaire) */
.bandeau { position: relative; background: var(--nuit); color: #fff; overflow: hidden; }
.bandeau img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bandeau::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,22,32,.88), rgba(15,22,32,.45)); z-index: 1; }
.bandeau .contenu { position: relative; z-index: 2; padding-top: 90px; padding-bottom: 90px; }
.bandeau h1 { color: #fff; font-size: clamp(1.9rem, 4.5vw, 3rem); max-width: 18em; margin: 0; }
.bandeau p { font-size: 1.2rem; max-width: 34em; margin: 16px 0 0; }
.bandeau.sans-image .contenu { padding-top: 48px; padding-bottom: 48px; }
.bouton { display: inline-block; background: var(--bleu); color: #fff; padding: 12px 26px; border-radius: 3px; text-decoration: none; font-weight: 600; }
.bouton:hover { background: var(--bleu-fonce); }
.bouton.clair { background: var(--blanc); color: var(--bleu-fonce); }
.bouton.clair:hover { background: var(--fond); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Activites, savoir-faire */
.grille-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.carte { background: var(--blanc); box-shadow: 0 2px 10px rgba(0,0,0,.08); display: flex; flex-direction: column; }
.carte img { width: 100%; aspect-ratio: 8 / 5; object-fit: cover; }
.carte-texte { padding: 18px 22px 22px; }
.carte h3 { font-size: 1.15rem; }
.carte h3 a { color: var(--nuit); text-decoration: none; }
.carte h3 a:hover { color: var(--bleu); }
.carte p { margin: 0; color: var(--gris); font-size: .95rem; }
.savoir-faire { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 28px; }
.savoir-faire h3 { font-size: 1.05rem; border-left: 3px solid var(--bleu-logo); padding-left: 10px; }
.savoir-faire ul { margin: 0; color: var(--gris); }

/* Galeries */
.galerie { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; margin-top: 24px; }
.galerie figure { margin: 0; background: var(--fond); }
.galerie img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.galerie figcaption { padding: 10px 12px; font-size: .9rem; color: var(--gris); }
.plans { display: grid; gap: 20px; margin: 32px 0; }

/* Tableaux de caracteristiques */
.titre-tableau { font-size: 1.1rem; margin: 32px 0 8px; }
.titre-tableau small { font-weight: 400; color: var(--gris); font-size: .85rem; }
.tableau { overflow-x: auto; margin: 0 0 28px; -webkit-overflow-scrolling: touch; }
.tableau table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.tableau th, .tableau td { padding: 8px 12px; border-bottom: 1px solid #e3e6e9; text-align: left; vertical-align: top; white-space: nowrap; }
.tableau tbody th { white-space: normal; min-width: 9em; }
.tableau thead th { background: var(--nuit); color: #fff; font-weight: 600; }
.tableau tbody th { font-weight: 600; color: var(--nuit); }
.tableau tbody tr:nth-child(even) { background: var(--fond); }
abbr[title] { text-decoration: underline dotted; cursor: help; }

/* Contact */
.deux-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px; }
.appel { background: var(--bleu); color: #fff; padding: 52px 0; text-align: center; }
.appel h2 { color: #fff; }
.appel .actions { justify-content: center; }
.appel .bouton { background: var(--nuit); }
.appel .bouton.clair { background: var(--blanc); }
.legal h2 { font-size: 1.2rem; margin-top: 32px; }

/* Pied de page */
footer { background: var(--nuit); color: #c9ced3; font-size: .95rem; }
footer .contenu { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; padding-top: 48px; padding-bottom: 32px; }
footer h2 { color: #fff; text-transform: uppercase; font-size: .95rem; letter-spacing: .05em; }
footer p { margin: 0; }
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { padding: 3px 0; }
footer a { color: #fff; }
.copyright { border-top: 1px solid #36424f; text-align: center; padding: 16px 20px; font-size: .85rem; }

/* Mobile */
@media (max-width: 700px) {
  .section { padding: 44px 0; }
  .titre h2 { font-size: 1.5rem; }
  .barre .adresse, .badges { display: none; }
  .barre .contenu, .entete .contenu { justify-content: center; }
  .entete .logo img { width: 72px; }
  .menu ul { display: grid; grid-template-columns: 1fr 1fr; padding: 0; }
  .menu a { padding: 11px 14px; font-size: .85rem; border-bottom: 1px solid var(--bleu-fonce); }
  .bandeau .contenu { padding-top: 56px; padding-bottom: 56px; }
  .bandeau p { font-size: 1.05rem; }
}