:root {
  --rouge: #DC000C;
  --bordeaux: #A80E16;
  --creme: #FDFBE9;
  --rose: #FCE7F0;
  --noir: #000000;
  --gris-texte: #3a3a3a;
  --gris-clair: #f4f4f5;
  --gris-bord: #e4e4e7;
  --gris-doux: #6b7280;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--noir);
  background: var(--creme);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--gris-bord);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 20;
  flex-wrap: wrap;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 34px; width: auto; display: block; }
.brand .nom { font-weight: 700; font-size: 15px; letter-spacing: .2px; }
.header-actions { display: flex; gap: 10px; align-items: center; }

.btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  padding: 9px 16px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: filter .15s, background .15s, color .15s;
  display: inline-block;
}
.btn-ghost { background: var(--gris-clair); color: var(--noir); }
.btn-ghost:hover { background: #e8e8ea; }
.btn-dark { background: var(--noir); color: #fff; }
.btn-dark:hover { filter: brightness(1.25); }
.btn-rouge { background: var(--rouge); color: #fff; }
.btn-rouge:hover { background: var(--bordeaux); }
.btn-outline { background: #fff; color: var(--noir); border-color: var(--gris-bord); }
.btn-outline:hover { background: var(--gris-clair); }

/* ---------- Layout ---------- */
.page { max-width: 1280px; margin: 0 auto; padding: 36px 32px 60px; }
.page-title { font-size: 30px; font-weight: 700; margin: 0 0 14px; }
.intro { color: var(--gris-texte); max-width: 1180px; margin: 0 0 28px; font-size: 15px; }
.sep { border: none; border-top: 1px solid var(--gris-bord); margin: 0 0 28px; }

/* ---------- Catalogue ---------- */
.catalog-layout { display: grid; grid-template-columns: 270px 1fr; gap: 40px; align-items: start; }

.search-row { display: flex; gap: 12px; align-items: stretch; margin-bottom: 24px; }
.search-row .search-box { margin-bottom: 0; flex: 1; }
.filter-toggle { display: none; align-items: center; gap: 8px; white-space: nowrap; }

.search-box {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--gris-bord); border-radius: 10px;
  padding: 12px 16px; margin-bottom: 24px; width: 100%; background: #fff;
}

/* Tiroir de filtres (mobile) — masqué sur grand écran */
.filters-head, .filters-foot { display: none; }
.filters-backdrop { display: none; }
.search-box input { border: none; outline: none; font-family: inherit; font-size: 15px; width: 100%; background: transparent; }
.search-box svg { flex-shrink: 0; color: var(--gris-doux); }

.filters { font-size: 14px; }
.filter-group { border-bottom: 1px solid var(--gris-bord); padding: 18px 0; }
.filter-group:first-child { padding-top: 0; }
.filter-group h3 { font-size: 14px; font-weight: 700; margin: 0 0 14px; }
.filter-option { display: flex; align-items: center; gap: 10px; margin: 9px 0; cursor: pointer; color: var(--gris-texte); }
.filter-option input { width: 16px; height: 16px; accent-color: var(--rouge); cursor: pointer; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }

.card {
  border: 1px solid var(--gris-bord); border-radius: 12px; overflow: hidden;
  background: #fff; display: flex; flex-direction: column;
  transition: box-shadow .18s, transform .18s;
}
.card:hover { box-shadow: 0 10px 30px rgba(0,0,0,.08); transform: translateY(-2px); }
.card-visual { position: relative; height: 150px; display: grid; grid-template-columns: 1fr 1fr; }
.card-visual.has-image { display: block; height: auto; aspect-ratio: 16 / 9; }
.card-visual.has-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-photo { background: var(--rose) center/cover no-repeat; }
.card-panel { background: var(--rouge); color: #fff; padding: 16px; display: flex; align-items: flex-end; }
.card-panel .dash { position: absolute; top: 14px; width: 22px; border-top: 2px solid rgba(255,255,255,.85); }
.card-panel h4 { font-size: 15px; font-weight: 700; margin: 0; line-height: 1.25; }
.card-badge {
  position: absolute; top: 12px; left: 12px;
  background: #fff; color: var(--noir); font-size: 12px; font-weight: 600;
  padding: 5px 12px; border-radius: 20px; box-shadow: 0 1px 4px rgba(0,0,0,.12);
}
.card-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.card-title { font-size: 16px; font-weight: 700; margin: 0; line-height: 1.3; }
.tag { display: inline-flex; align-items: center; gap: 6px; background: var(--gris-clair); color: var(--gris-texte); font-size: 12px; font-weight: 600; padding: 4px 11px; border-radius: 20px; width: fit-content; }
.card-meta { margin-top: auto; border-top: 1px solid var(--gris-bord); padding-top: 12px; font-size: 13px; }
.card-meta .row { display: flex; justify-content: space-between; padding: 5px 0; color: var(--gris-texte); }
.card-meta .row b { font-weight: 700; color: var(--noir); }
.empty { color: var(--gris-doux); padding: 40px 0; }

/* ---------- Fiche formation ---------- */
.breadcrumb { font-size: 13px; color: var(--gris-doux); margin-bottom: 22px; }
.breadcrumb a:hover { color: var(--rouge); }
.fiche-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.fiche-title { font-size: 32px; font-weight: 700; margin: 0 0 14px; }
.fiche-desc { color: var(--gris-texte); font-size: 15px; margin: 16px 0 0; }
.fiche-banner { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 14px; display: block; margin-bottom: 22px; }

.section { margin-top: 44px; }
.section > h2 { font-size: 20px; font-weight: 700; margin: 0 0 18px; display: flex; align-items: center; gap: 9px; }

.module { border: 1px solid var(--gris-bord); border-radius: 10px; margin-bottom: 12px; overflow: hidden; }
.module summary {
  list-style: none; cursor: pointer; padding: 16px 18px;
  display: flex; align-items: center; gap: 14px; font-weight: 700; font-size: 15px;
}
.module summary::-webkit-details-marker { display: none; }
.module summary .num {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 6px;
  background: var(--gris-clair); color: var(--gris-doux);
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
}
.module summary .titre { flex: 1; }
.module summary .chev { color: var(--gris-doux); font-size: 18px; transition: transform .2s; }
.module[open] summary .chev { transform: rotate(180deg); }
.module-body { padding: 0 18px 18px 56px; color: var(--gris-texte); font-size: 14px; }
.module-body .duree { display: block; margin-top: 10px; font-size: 13px; color: var(--gris-doux); }

.bullet-list { list-style: none; padding: 0; margin: 0; }
.bullet-list li { position: relative; padding-left: 24px; margin-bottom: 12px; color: var(--gris-texte); }
.bullet-list li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--rouge); }

.prose-block { color: var(--gris-texte); }
.prose-block + .prose-block { margin-top: 26px; }
.prose-block h3 { font-size: 16px; font-weight: 700; color: var(--noir); margin: 0 0 8px; }

.referents { display: flex; flex-wrap: wrap; gap: 16px; }
.referent { display: flex; align-items: center; gap: 12px; border: 1px solid var(--gris-bord); border-radius: 10px; padding: 14px 18px; }
.referent .avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--rouge); color: #fff; display: grid; place-items: center; font-weight: 700; }
.referent .nom { font-weight: 700; font-size: 14px; }
.referent .role { font-size: 13px; color: var(--gris-doux); }
.referent .mail { font-size: 13px; color: var(--rouge); }

/* sidebar fiche */
.fiche-aside { position: sticky; top: 92px; border: 1px solid var(--gris-bord); border-radius: 14px; padding: 24px; }
.fiche-aside .format-tag { margin-bottom: 18px; }
.aside-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--gris-bord); font-size: 14px; }
.aside-row span { color: var(--gris-doux); }
.aside-row b { font-weight: 700; }
.aside-note { font-size: 12px; color: var(--gris-doux); margin: 10px 0 20px; }
.aside-actions { display: flex; flex-direction: column; gap: 10px; }
.aside-actions .btn { text-align: center; }
.maj { font-size: 12px; color: var(--gris-doux); margin-top: 16px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--gris-bord); padding: 28px 32px; text-align: center; color: var(--gris-doux); font-size: 12px; line-height: 1.7; }
.site-footer .legal { max-width: 980px; margin: 0 auto; }

@media (max-width: 920px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .filter-toggle { display: inline-flex; }
  .fiche-layout { grid-template-columns: 1fr; gap: 28px; }
  .fiche-aside { position: static; }
  .page, .site-header, .site-footer { padding-left: 20px; padding-right: 20px; }

  /* La colonne de filtres devient un tiroir qui glisse du bas */
  .filters {
    position: fixed; left: 0; right: 0; bottom: 0; top: auto; margin: 0;
    max-height: 86vh; overflow-y: auto; z-index: 60;
    background: #fff; padding: 0 20px;
    border-top-left-radius: 20px; border-top-right-radius: 20px;
    box-shadow: 0 -8px 30px rgba(0,0,0,.18);
    transform: translateY(100%); transition: transform .28s ease;
  }
  body.filters-open .filters { transform: translateY(0); }
  body.filters-open .filters-backdrop {
    display: block; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 55;
  }
  .filters-head {
    display: flex; align-items: center; justify-content: space-between;
    position: sticky; top: 0; background: #fff; z-index: 1;
    padding: 20px 0 14px; border-bottom: 1px solid var(--gris-bord);
    font-weight: 700; font-size: 18px;
  }
  .filters-close { background: none; border: none; cursor: pointer; color: var(--gris-doux); padding: 4px; display: flex; }
  .filter-group:first-child { padding-top: 18px; }
  .filters-foot {
    display: block; position: sticky; bottom: 0; background: #fff;
    padding: 14px 0; border-top: 1px solid var(--gris-bord);
  }
  .filters-foot .btn-clear { width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px; }
}

@media (max-width: 560px) {
  .site-header { padding: 12px 16px; gap: 8px; }
  .brand .nom { font-size: 12px; line-height: 1.2; }
  .brand img { height: 28px; }
  .header-actions { gap: 6px; }
  .header-actions .btn { padding: 8px 12px; font-size: 13px; }
  .page { padding: 24px 16px 48px; }
  .page-title { font-size: 24px; }
  .fiche-title { font-size: 24px; }
  .cards { grid-template-columns: 1fr; }
  .module summary { padding: 14px; gap: 10px; }
  .module-body { padding: 0 14px 16px 46px; }
}