/* ============================================================
   chapitre.css — Pages d'accueil de chapitre (index.html)
   Complète sommaire.css (base, .topnav, .so-footer).
   Refonte visuelle — maquette 03-sommaire-chapitre.
   ============================================================ */

/* Fil d'Ariane */
.ci-crumb { background: #fff; border-bottom: 1px solid var(--card-bd); }
.ci-crumb-inner {
  font-family: var(--ui); max-width: 980px; margin: 0 auto; padding: 9px 18px;
  font-size: .78rem; color: var(--ink-4); font-weight: 500;
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.ci-crumb-inner a { color: var(--ink-4); text-decoration: none; }
.ci-crumb-inner a:hover { color: var(--blue); }
.ci-crumb-cur { color: var(--ink-2); font-weight: 600; }
.ci-crumb-sep { color: #cbd5e1; }

.ci-main { max-width: 980px; margin: 0 auto; padding: 26px 18px 56px; }

/* Hero card navy */
.ci-hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, #13294a, #1e457f);
  border-radius: 16px; padding: 30px 30px 28px; margin-bottom: 26px;
  box-shadow: 0 8px 26px rgba(8,20,38,.18);
}
.ci-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 42px 42px;
}
.ci-hero-top { position: relative; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.ci-hero-badge {
  display: inline-block; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.34);
  border-radius: 7px; padding: 4px 13px; font-family: var(--ui);
  font-size: .74rem; font-weight: 800; letter-spacing: .06em;
}
.ci-hero-eyebrow { font-family: var(--sc); font-size: .72rem; font-weight: 600; letter-spacing: .06em; color: #9ec2f2; }
.ci-hero h1 {
  position: relative; font-family: var(--ui); font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800; letter-spacing: -.025em; line-height: 1.05; margin: 0 0 10px; color: #fff;
}
.ci-hero-sub { position: relative; font-family: var(--serif); font-size: 1.08rem; color: #dbe7f8; margin: 0; max-width: 600px; }
.ci-hero-stats { position: relative; display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.ci-stat {
  display: inline-flex; align-items: center; gap: 7px; font-family: var(--ui);
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  border-radius: 20px; padding: 6px 14px; font-size: .82rem; font-weight: 600;
}

/* Objectifs */
.ci-obj {
  background: var(--card); border: 1px solid var(--card-bd); border-radius: 14px;
  padding: 20px 24px; margin-bottom: 32px; box-shadow: var(--shadow);
}
.ci-obj-label { font-family: var(--sc); font-size: .82rem; font-weight: 600; letter-spacing: .04em; color: var(--ink-3); margin-bottom: 14px; }
.ci-obj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px 24px; }
.ci-obj-item { display: flex; gap: 11px; align-items: flex-start; font-family: var(--serif); font-size: 1rem; color: #334155; }
.ci-obj-num {
  flex-shrink: 0; width: 21px; height: 21px; border-radius: 6px; background: var(--blue-bg); color: var(--blue);
  display: flex; align-items: center; justify-content: center; font-family: var(--ui);
  font-size: .74rem; font-weight: 700; margin-top: 2px;
}

/* Sections */
.ci-sec { margin-bottom: 30px; }
.ci-sec-head { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.ci-sec-head h2 { font-family: var(--ui); font-size: 1.18rem; font-weight: 800; color: var(--navy); letter-spacing: -.01em; margin: 0; border: none; padding: 0; }
.ci-sec-rule { flex: 1; height: 1px; background: #e2e8f0; }
.ci-sec-intro { font-family: var(--serif); font-size: .92rem; color: var(--ink-3); margin: 0 0 14px; }

/* Cartes verticales (Découvrir / Activités complémentaires) */
.ci-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 13px; }
.ci-card {
  text-decoration: none; background: var(--card); border: 1px solid var(--card-bd); border-radius: 12px;
  padding: 18px; box-shadow: var(--shadow); display: block; transition: border-color .15s, box-shadow .15s, transform .15s;
}
.ci-card:hover { border-color: var(--blue); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.ci-card-icon { font-size: 1.5rem; display: block; margin-bottom: 10px; }
.ci-card-title { font-family: var(--ui); font-weight: 800; color: var(--blue-d); font-size: 1rem; margin: 0 0 4px; }
.ci-card-desc { font-family: var(--serif); font-size: .9rem; color: var(--ink-3); line-height: 1.45; margin: 0; }
.ci-card-tag {
  display: inline-block; margin-top: 10px; font-family: var(--ui); font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em; color: var(--blue); background: var(--blue-bg);
  border: 1px solid var(--blue-bd); border-radius: 5px; padding: 2px 9px;
}
.ci-card.featured { border: 2px solid var(--blue); box-shadow: 0 4px 14px rgba(37,99,235,.14); position: relative; }
.ci-card.featured::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--blue); border-radius: 12px 12px 0 0; }
.ci-card.featured .ci-card-tag { color: #fff; background: var(--blue); border-color: var(--blue); }
/* Cartes complémentaires : titre navy plutôt que bleu */
.ci-grid.compl .ci-card-title { color: var(--navy); font-size: .96rem; }
.ci-grid.compl .ci-card-tag { color: var(--ink-3); background: #f1f5f9; border-color: #e2e8f0; }

/* Entraîner / Évaluer : 2 colonnes de cartes horizontales */
.ci-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 26px; margin-bottom: 30px; }
.ci-list { display: grid; gap: 13px; }
.ci-listcard {
  text-decoration: none; background: var(--card); border: 1px solid var(--card-bd); border-radius: 12px;
  padding: 16px 18px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 14px;
  transition: border-color .15s, box-shadow .15s;
}
.ci-listcard:hover { border-color: var(--blue); box-shadow: var(--shadow-lg); }
.ci-listcard-ico { font-size: 1.4rem; flex-shrink: 0; }
.ci-listcard-main { flex: 1; min-width: 0; }
.ci-listcard-title { font-family: var(--ui); font-weight: 800; color: var(--blue-d); font-size: .98rem; }
.ci-listcard-desc { font-family: var(--serif); font-size: .88rem; color: var(--ink-3); }
.ci-listcard-tag {
  font-family: var(--ui); font-size: .68rem; font-weight: 700; color: var(--ink-3);
  background: #f1f5f9; border: 1px solid #e2e8f0; border-radius: 5px; padding: 2px 8px; white-space: nowrap;
}

/* Nav chapitres */
.ci-chnav { display: flex; justify-content: space-between; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.ci-chnav-card {
  display: inline-flex; align-items: center; gap: 9px; background: var(--card); border: 1px solid var(--card-bd);
  border-radius: 12px; padding: 13px 18px; text-decoration: none; box-shadow: var(--shadow); transition: border-color .15s;
}
.ci-chnav-card:hover { border-color: var(--blue); }
.ci-chnav-arrow { font-size: 1.1rem; color: var(--ink-4); }
.ci-chnav-lbl { display: block; font-family: var(--ui); font-size: .7rem; color: var(--ink-4); font-weight: 600; }
.ci-chnav-title { display: block; font-family: var(--ui); font-size: .9rem; font-weight: 700; color: var(--navy); }
.ci-chnav-card.next { margin-left: auto; text-align: right; }

@media (max-width: 600px) {
  .ci-hero { padding: 22px 18px; }
  .ci-row { gap: 16px; }
}
@media print {
  .topnav, .ci-crumb, .so-footer, #sn-search-btn, #sn-search-overlay { display: none !important; }
  .ci-hero { background: #13294a !important; }
  .ci-card, .ci-listcard, .ci-obj { break-inside: avoid; box-shadow: none; }
  a { text-decoration: none !important; }
}