/* ========================================================
   Styles communs aux pages du proto Saint-Alban
   Extrait pour éviter la duplication entre index.html,
   demarches.html et parcours-installer.html
   ======================================================== */

:root {
  --rose: #d50167;
  --rose-fonce: #b8004c;
  --vert-eau: #B4D2C7;
  --vert-eau-clair: #E6F0EC;
  --bleu-lien: #007acc;
  --bleu-clair: #E8F4FB;
  --gris-texte: #1a1a1a;
  --gris-moyen: #686868;
  --gris-clair: #d1d1d1;
  --gris-fond: #fbfbfb;
  --blanc: #ffffff;
  --accent-orange: #D97706;
  --radius: 4px;
  --shadow: 0 1px 4px rgba(0,0,0,0.08);
  --shadow-large: 0 8px 24px rgba(0,0,0,0.15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Muli", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.55;
  color: var(--gris-texte);
  background: var(--gris-fond);
}
a { color: var(--bleu-lien); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--rose); outline-offset: 2px; }
h1, h2, h3 { margin: 0 0 0.5em 0; line-height: 1.2; color: var(--gris-texte); font-weight: 700; }
h2 { font-size: 1.3rem; padding-bottom: 10px; border-bottom: 3px solid var(--rose); display: inline-block; margin-bottom: 16px; }

.conteneur { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- En-tête ---------- */
header.principal {
  background: var(--blanc);
  border-bottom: 3px solid var(--rose);
  padding: 14px 0;
}
header.principal .conteneur {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.logo img { height: 56px; width: auto; }
.logo-texte strong { font-size: 1.25rem; color: var(--gris-texte); display: block; line-height: 1.1; }
.logo-texte span { font-size: 0.85rem; color: var(--gris-moyen); }

nav.menu-principal { flex: 1; }
nav.menu-principal ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 2px; justify-content: flex-end; flex-wrap: wrap;
}
nav.menu-principal > ul > li { position: relative; }
nav.menu-principal > ul > li > a {
  display: block; padding: 10px 14px;
  color: var(--gris-texte); font-weight: 700; font-size: 0.95rem;
  text-decoration: none;
  border-bottom: 3px solid transparent; margin-bottom: -3px;
}
nav.menu-principal > ul > li > a:hover,
nav.menu-principal > ul > li:focus-within > a {
  color: var(--rose); border-bottom-color: var(--rose);
}
nav.menu-principal > ul > li > a.actif {
  color: var(--rose); border-bottom-color: var(--rose);
}
nav.menu-principal ul ul {
  display: none; position: absolute; top: 100%; left: 0; z-index: 100;
  background: var(--blanc); border-top: 3px solid var(--rose);
  box-shadow: var(--shadow-large);
  min-width: 270px; padding: 8px 0;
  flex-direction: column;
}
nav.menu-principal li:hover > ul,
nav.menu-principal li:focus-within > ul { display: block; }
nav.menu-principal ul ul li a {
  display: block; padding: 8px 18px; color: var(--gris-texte);
  font-size: 0.9rem;
}
nav.menu-principal ul ul li a:hover { background: var(--vert-eau-clair); color: var(--rose); }

.btn-menu-mobile {
  display: none;
  background: var(--rose); color: var(--blanc); border: none;
  padding: 10px 16px; border-radius: var(--radius);
  cursor: pointer; font-size: 1rem; font-weight: 700;
}

/* ---------- Zone d'alerte ---------- */
.alerte {
  background: #FFF4E5; border-bottom: 3px solid var(--accent-orange);
  padding: 12px 0; display: none;
}
.alerte.active { display: block; }
.alerte .conteneur { display: flex; gap: 12px; align-items: flex-start; }
.alerte .picto { color: var(--accent-orange); font-size: 1.4rem; }
.alerte strong { display: block; color: #8B3A00; margin-bottom: 2px; }
.alerte a { color: #8B3A00; font-weight: 700; text-decoration: underline; }
.alerte button.fermer {
  background: none; border: none; margin-left: auto; cursor: pointer;
  color: #8B3A00; font-size: 1.3rem;
}

/* ---------- Fil d'Ariane (MT-13) ---------- */
.breadcrumb {
  background: var(--blanc);
  border-bottom: 1px solid var(--gris-clair);
  padding: 10px 0; font-size: 0.88rem;
}
.breadcrumb ol {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
}
.breadcrumb li { display: flex; align-items: center; }
.breadcrumb li + li::before {
  content: "›"; margin: 0 8px; color: var(--gris-moyen);
}
.breadcrumb a { color: var(--gris-moyen); text-decoration: none; }
.breadcrumb a:hover { color: var(--rose); text-decoration: underline; }
.breadcrumb li[aria-current="page"] { color: var(--gris-texte); font-weight: 600; }

/* ---------- Pied de page ---------- */
footer {
  background: var(--gris-texte); color: #D8D8D8;
  padding: 40px 0 20px 0; margin-top: 40px; font-size: 0.9rem;
}
footer a { color: var(--vert-eau); }
footer h3 { color: var(--blanc); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.04em; margin: 0 0 14px 0; }
footer .footer-grille {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}
footer ul { list-style: none; padding: 0; margin: 0; }
footer ul li { margin-bottom: 6px; }
footer address { font-style: normal; line-height: 1.65; }
footer .footer-bas {
  margin-top: 32px; padding-top: 20px; border-top: 1px solid #333;
  font-size: 0.8rem; color: #999;
  display: flex; gap: 20px; flex-wrap: wrap; justify-content: space-between;
}

/* ---------- Responsive menu ---------- */
@media (max-width: 900px) {
  .btn-menu-mobile { display: block; margin-left: auto; }
  nav.menu-principal { order: 3; width: 100%; display: none; }
  nav.menu-principal.ouvert { display: block; }
  nav.menu-principal > ul { flex-direction: column; gap: 0; border-top: 2px solid var(--gris-clair); margin-top: 12px; padding-top: 12px; }
  nav.menu-principal > ul > li > a { padding: 12px 10px; border-bottom: none; }
  nav.menu-principal ul ul {
    position: static; display: block; box-shadow: none; border-top: none;
    padding-left: 16px; min-width: auto; background: transparent;
  }
  nav.menu-principal ul ul li a { padding: 6px 10px; }
}