/* =========================================================
   FASS – feuille de style
   Identité : deux couleurs tirées du logo
   - Bleu FASS   : confiance, technique (fonds, titres, liens)
   - Orange FASS : signal, action (boutons d'appel, repères)
   ========================================================= */

@font-face { font-family: "Inter"; src: url("polices/Inter-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url("polices/Inter-SemiBold.woff") format("woff"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter Display"; src: url("polices/InterDisplay-Bold.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Inter Display"; src: url("polices/InterDisplay-ExtraBold.woff") format("woff"); font-weight: 800; font-display: swap; }

:root {
  color-scheme: light;
  --bleu: #0b47a8;          /* bleu du logo */
  --bleu-nuit: #0a3680;     /* fonds bleus (en-tête de page, pied) */
  --orange: #e8400c;        /* orange du logo : repères, bande */
  --orange-action: #d13c0b; /* boutons avec texte blanc (contraste AA) */
  --encre: #14181f;
  --texte: #3c4450;
  --gris: #f2f4f7;
  --filet: #d9dee5;
  --blanc: #ffffff;
  --titre: "Inter Display", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --corps: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --rayon: 6px;
  --largeur: 72rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--blanc);
  color: var(--texte);
  font-family: var(--corps);
  font-size: 1.0625rem;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

.conteneur { width: min(100% - 2.5rem, var(--largeur)); margin-inline: auto; }

h1, h2, h3 { font-family: var(--titre); color: var(--encre); line-height: 1.12; letter-spacing: -0.015em; margin: 0; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; margin-bottom: .75rem; }
h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: .4rem; }
p { margin: 0 0 1rem; }

.surtitre {
  display: inline-block;
  font-size: .85rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--orange); margin-bottom: .75rem;
}
.chapeau { font-size: 1.15rem; max-width: 42rem; }

/* ---------- Boutons ---------- */
.bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 3.1rem; padding: .75rem 1.35rem;
  font: 600 1.0625rem/1.2 var(--corps);
  text-decoration: none; border: 2px solid transparent; border-radius: var(--rayon);
  cursor: pointer; white-space: nowrap;
  transition: background-color .15s, border-color .15s, color .15s;
}
.bouton svg { width: 1.15em; height: 1.15em; flex: none; }
.bouton-appel { background: var(--orange-action); color: var(--blanc); }
.bouton-appel:hover { background: #b93408; }
.bouton-bleu { background: var(--bleu); color: var(--blanc); }
.bouton-bleu:hover { background: var(--bleu-nuit); }
.bouton-clair { border-color: rgba(255,255,255,.7); color: var(--blanc); }
.bouton-clair:hover { background: rgba(255,255,255,.12); border-color: var(--blanc); }
.boutons { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

/* ---------- En-tête fixe ---------- */
.entete {
  position: sticky; top: 0; z-index: 20;
  background: var(--blanc);
  border-bottom: 1px solid var(--filet);
}
.entete .conteneur { display: flex; align-items: center; gap: 1.5rem; min-height: 4.75rem; }
.entete .marque { display: block; flex: none; }
.entete .marque img { height: 3.4rem; width: auto; }
.menu { margin-left: auto; }
.menu ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.75rem; }
.menu a { color: var(--encre); font-weight: 600; text-decoration: none; padding: .4rem 0; border-bottom: 2px solid transparent; }
.menu a:hover, .menu a[aria-current="page"] { border-bottom-color: var(--orange); }
.entete .bouton { min-height: 2.75rem; padding: .55rem 1rem; }
@media (max-width: 52rem) {
  .menu { display: none; }
  .entete .bouton-appel { margin-left: auto; }
  .entete .marque img { height: 2.9rem; }
  .entete .conteneur { min-height: 4rem; }
}
@media (max-width: 30rem) {
  .entete .bouton .texte-long { display: none; }
  .bandeau .boutons .bouton { flex: 1 1 100%; }
}

/* Bande de signalisation : la signature visuelle, utilisée une fois par page */
.bande { height: 10px; background: repeating-linear-gradient(135deg, var(--orange) 0 14px, var(--blanc) 14px 28px); }

/* ---------- Bandeau principal ---------- */
.bandeau { background: var(--bleu-nuit); color: #dfe7f5; padding-block: 4rem 4.5rem; }
.bandeau h1 { color: var(--blanc); max-width: 17em; }
.bandeau .chapeau { margin-top: 1.25rem; color: #dfe7f5; }
.bandeau .surtitre { color: #ffb08f; }
.bandeau-grille { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 60rem) { .bandeau-grille { grid-template-columns: 1.5fr 1fr; gap: 4rem; } }

.atouts {
  list-style: none; margin: 0; padding: 1.5rem 1.6rem;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); border-radius: var(--rayon);
  display: grid; gap: 1rem;
}
.atouts li { display: grid; grid-template-columns: 1.6rem 1fr; gap: .75rem; align-items: start; color: var(--blanc); }
.atouts strong { display: block; font-weight: 600; }
.atouts span { color: #c5d3ea; font-size: .95rem; }
.atouts svg { width: 1.6rem; height: 1.6rem; color: var(--orange); margin-top: .1rem; }

/* Bandeau des pages équipements */
.bandeau-page { padding-block: 2.5rem 3rem; }
.fil { font-size: .9rem; margin-bottom: 1rem; color: #c5d3ea; }
.fil a { color: var(--blanc); }

/* ---------- Sections ---------- */
.section { padding-block: 4.5rem; }
.section-grise { background: var(--gris); }
.section-tete { max-width: 44rem; margin-bottom: 2.5rem; }

/* Trois métiers */
.metiers { display: grid; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
@media (min-width: 48rem) { .metiers { grid-template-columns: repeat(3, 1fr); } }
.metiers li { background: var(--blanc); border: 1px solid var(--filet); border-top: 4px solid var(--bleu); border-radius: var(--rayon); padding: 1.5rem; }
.metiers li p { margin: 0; }
.metiers .mention { margin-top: .75rem; font-size: .92rem; color: var(--encre); }

/* Cartes équipements */
.cartes { display: grid; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
@media (min-width: 40rem) { .cartes { grid-template-columns: 1fr 1fr; } }
@media (min-width: 68rem) { .cartes { grid-template-columns: repeat(4, 1fr); } }
.carte {
  display: flex; flex-direction: column; height: 100%;
  background: var(--blanc); border: 1px solid var(--filet); border-radius: var(--rayon);
  overflow: hidden; text-decoration: none; color: var(--texte);
  transition: border-color .15s, box-shadow .15s;
}
.carte:hover { border-color: var(--bleu); box-shadow: 0 8px 24px rgba(10, 54, 128, .12); }
.carte img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--gris); }
.carte-texte { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; flex: 1; }
.carte-texte p { font-size: .97rem; margin-bottom: 1rem; }
.lien-suite { margin-top: auto; font-weight: 600; color: var(--bleu); }
.carte:hover .lien-suite { text-decoration: underline; }

/* Étapes */
.etapes { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; counter-reset: etape; }
@media (min-width: 48rem) { .etapes { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; } }
.etapes li { counter-increment: etape; }
.etapes li::before {
  content: counter(etape);
  display: grid; place-items: center; width: 2.6rem; height: 2.6rem; margin-bottom: .9rem;
  border-radius: 50%; background: var(--orange); color: var(--blanc);
  font: 800 1.2rem/1 var(--titre);
}
.etapes p { margin: 0; }

/* Listes à coches */
.coches { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.coches li { position: relative; padding-left: 1.9rem; }
.coches li::before {
  content: ""; position: absolute; left: 0; top: .3rem; width: 1.15rem; height: 1.15rem;
  background: var(--bleu);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.deux-colonnes { display: grid; gap: 2.5rem; }
@media (min-width: 56rem) { .deux-colonnes { grid-template-columns: 1fr 1fr; gap: 4rem; } }

/* Galerie d'exemples */
.galerie { display: grid; gap: 1.5rem; }
@media (min-width: 44rem) { .galerie { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 68rem) { .galerie.trois { grid-template-columns: repeat(3, 1fr); } }
.galerie figure { margin: 0; background: var(--blanc); border: 1px solid var(--filet); border-radius: var(--rayon); overflow: hidden; }
.galerie img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--gris); }
.galerie figcaption { padding: .9rem 1.1rem 1.1rem; font-size: .95rem; }
.galerie figcaption strong { display: block; color: var(--encre); font-size: 1.05rem; margin-bottom: .2rem; }
.note { font-size: .9rem; color: #5b6472; margin-top: 1.25rem; }

/* Appel à l'action */
.appel { background: var(--bleu); color: var(--blanc); border-radius: var(--rayon); padding: 2.25rem; display: grid; gap: 1.5rem; align-items: center; }
@media (min-width: 52rem) { .appel { grid-template-columns: 1fr auto; padding: 2.5rem 3rem; } }
.appel h2 { color: var(--blanc); margin-bottom: .4rem; }
.appel p { margin: 0; color: #dfe7f5; }
.appel .boutons { margin-top: 0; }

.autres { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .75rem; }
.autres a { display: inline-block; padding: .6rem 1rem; border: 1px solid var(--filet); border-radius: var(--rayon); text-decoration: none; font-weight: 600; color: var(--encre); background: var(--blanc); }
.autres a:hover { border-color: var(--bleu); color: var(--bleu); }

/* ---------- Contact ---------- */
.contact-grille { display: grid; gap: 2.5rem; }
@media (min-width: 60rem) { .contact-grille { grid-template-columns: 1fr 1.35fr; gap: 4rem; align-items: start; } }
.tel-grand {
  display: inline-flex; align-items: center; gap: .6rem; margin: .5rem 0 1.75rem;
  font: 800 clamp(1.7rem, 3.5vw, 2.2rem)/1.1 var(--titre); color: var(--bleu); text-decoration: none;
}
.tel-grand svg { width: 1.6rem; height: 1.6rem; color: var(--orange); }
.coordonnees { margin: 0; display: grid; gap: 1rem; }
.coordonnees dt { font-weight: 600; color: var(--encre); }
.coordonnees dd { margin: 0; }

.formulaire { background: var(--blanc); border: 1px solid var(--filet); border-radius: var(--rayon); padding: 1.75rem; display: grid; gap: 1.1rem; }
@media (max-width: 30rem) { .formulaire { padding: 1.25rem; } }
.formulaire h3 { margin-bottom: 0; }
.formulaire label, .formulaire legend { display: block; font-weight: 600; color: var(--encre); margin-bottom: .35rem; }
.facultatif { font-weight: 400; color: #5b6472; }
.req { color: var(--orange-action); }
.formulaire input[type="text"], .formulaire input[type="email"], .formulaire input[type="tel"],
.formulaire select, .formulaire textarea {
  width: 100%; min-height: 3rem; padding: .7rem .85rem;
  font: inherit; color: var(--encre); background: var(--blanc);
  border: 1px solid #aeb7c2; border-radius: var(--rayon);
}
.formulaire input:focus, .formulaire select:focus, .formulaire textarea:focus { outline: 3px solid rgba(11, 71, 168, .25); border-color: var(--bleu); }
.formulaire textarea { resize: vertical; min-height: 8.5rem; }
.formulaire fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.choix { display: flex; flex-wrap: wrap; gap: .5rem; }
.choix label { margin: 0; font-weight: 500; }
.choix input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choix span {
  display: inline-block; padding: .55rem .95rem; border: 1px solid #aeb7c2; border-radius: 999px;
  cursor: pointer; color: var(--encre); background: var(--blanc);
}
.choix input:checked + span { background: var(--bleu); border-color: var(--bleu); color: var(--blanc); }
.choix input:focus-visible + span { outline: 3px solid var(--orange); outline-offset: 2px; }
.paire { display: grid; gap: 1.1rem; }
@media (min-width: 36rem) { .paire { grid-template-columns: 1fr 1fr; } }
.piege { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.formulaire .bouton { width: 100%; }
.mention-form { font-size: .88rem; color: #5b6472; margin: 0; }

/* ---------- Pied de page ---------- */
.pied { background: var(--bleu-nuit); color: #c5d3ea; padding-block: 3rem 2rem; font-size: .95rem; }
.pied a { color: var(--blanc); }
.pied-grille { display: grid; gap: 2rem; }
@media (min-width: 52rem) { .pied-grille { grid-template-columns: 1.3fr 1fr 1fr; } }
.pied h2 { color: var(--blanc); font-size: 1rem; letter-spacing: .02em; margin-bottom: .75rem; }
.pied ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.pied p { margin: 0 0 .4rem; }
.pied-bas { border-top: 1px solid rgba(255,255,255,.15); margin-top: 2.5rem; padding-top: 1.25rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; }

/* ---------- Barre d'appel mobile ---------- */
.barre-mobile { display: none; }
@media (max-width: 52rem) {
  .barre-mobile {
    display: grid; grid-template-columns: 1.4fr 1fr; gap: .5rem;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    padding: .6rem .75rem calc(.6rem + env(safe-area-inset-bottom));
    background: var(--blanc); border-top: 1px solid var(--filet);
    box-shadow: 0 -4px 16px rgba(20, 24, 31, .08);
  }
  .barre-mobile .bouton { min-height: 3rem; padding-inline: .75rem; }
  body { padding-bottom: 4.5rem; }
}

/* ---------- Pages de message (merci, erreur, mentions) ---------- */
.message { padding-block: 3.5rem 5rem; max-width: 44rem; }
.message ul { padding-left: 1.2rem; }
.texte-legal h2 { font-size: 1.35rem; margin-top: 2rem; }
.a-completer { background: #fff1c2; padding: 0 .25rem; }