/* =============================================================================
   kb.css — Centre de connaissances (sprint-vitrine-18, Lot C)
   -----------------------------------------------------------------------------
   Réutilise le système visuel existant : fond photo sombre + cartes translucides
   à texte clair, coins carrés (--card-radius:0), CTA cyan (--cta-primary-bg).
   Styles NEUFS minimes : le maillage « Voir aussi » (.related-links) et le bloc
   « En résumé » (.page-summary) réutilisent leurs styles de style.css.
   ============================================================================= */

/* ---- Hero (index + catégorie) --------------------------------------------- */
.kb-hero {
  max-width: 980px;
  margin: 0 auto 1.6rem;
  padding: 0 18px;
  text-align: center;
  color: #fff;
}
.kb-hero-title {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin: 0 0 .6rem;
  text-shadow: var(--hero-text-shadow, 0 3px 15px rgba(0,0,0,.7));
}
.kb-hero-intro {
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 760px;
  margin: 0 auto;
  color: rgba(255,255,255,.92);
  text-shadow: 0 1px 8px rgba(0,0,0,.6);
}

/* ---- Grille des rubriques (index) ----------------------------------------- */
.kb-cat-grid {
  max-width: 1100px;
  margin: 0 auto 2rem;
  padding: 0 18px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.kb-cat-card {
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 1.4rem 1.3rem 2.4rem;
  background: var(--card-bg, rgba(0,0,0,.28));
  border: var(--card-border, 1px solid rgba(255,255,255,.15));
  border-radius: var(--card-radius, 0);
  color: #fff;
  text-decoration: none;
  transition: var(--card-transition, background .3s, transform .25s);
}
a.kb-cat-card:hover,
a.kb-cat-card:focus-visible {
  background: rgba(0,0,0,.45);
  transform: translateY(-2px);
  outline: none;
}
.kb-cat-card.is-coming { opacity: .82; }
.kb-cat-title { font-size: 1.25rem; margin: 0 0 .5rem; }
.kb-cat-desc  { font-size: .98rem; line-height: 1.5; margin: 0; color: rgba(255,255,255,.9); }
.kb-cat-more {
  position: absolute; right: 1.1rem; bottom: 1rem;
  font-size: 1.5rem; line-height: 1; color: var(--cta-primary-bg, #009FCB);
}
a.kb-cat-card:hover .kb-cat-more { color: var(--cta-primary-bg-hover, #61C452); }
.kb-badge {
  position: absolute; right: 1.1rem; bottom: 1rem;
  font-size: .72rem; letter-spacing: .04em; text-transform: uppercase;
  padding: .2rem .55rem; border: 1px solid rgba(255,255,255,.4);
  color: rgba(255,255,255,.85);
}

/* ---- Fil d'Ariane visible -------------------------------------------------- */
.kb-breadcrumb {
  max-width: 980px;
  margin: 0 auto .8rem;
  padding: 0 18px;
  font-size: .85rem;
  color: rgba(255,255,255,.85);
  text-shadow: 0 1px 6px rgba(0,0,0,.6);
}
.kb-breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .3rem; }
.kb-breadcrumb a { color: #fff; text-decoration: underline; text-underline-offset: 2px; }
.kb-breadcrumb a:hover { color: var(--cta-primary-bg, #009FCB); }
.kb-bc-sep { margin: 0 .35rem; opacity: .6; }
.kb-breadcrumb [aria-current="page"] { opacity: .8; }

/* ---- Liste d'articles (catégorie) ----------------------------------------- */
.kb-article-list {
  max-width: 980px;
  margin: 0 auto 2rem;
  padding: 0 18px;
  list-style: none;
  display: grid;
  gap: 1rem;
}
.kb-article-card { margin: 0; }
.kb-article-card-link {
  display: grid;
  grid-template-columns: 200px 1fr;
  background: var(--card-bg, rgba(0,0,0,.28));
  border: var(--card-border, 1px solid rgba(255,255,255,.15));
  color: #fff;
  text-decoration: none;
  transition: var(--card-transition, background .3s, transform .25s);
}
.kb-article-card-link:hover,
.kb-article-card-link:focus-visible { background: rgba(0,0,0,.45); transform: translateY(-2px); outline: none; }
.kb-article-card-cover { position: relative; overflow: hidden; min-height: 140px; }
.kb-article-card-cover .kb-cover { margin: 0; height: 100%; }
.kb-article-card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kb-article-card-body { padding: 1.1rem 1.2rem; display: flex; flex-direction: column; }
.kb-article-card-title { font-size: 1.2rem; margin: 0 0 .4rem; }
.kb-article-card-summary { font-size: .95rem; line-height: 1.5; margin: 0 0 .6rem; color: rgba(255,255,255,.9); }
.kb-article-card-meta { font-size: .82rem; color: rgba(255,255,255,.75); margin: 0 0 .5rem; }
.kb-dot { margin: 0 .4rem; opacity: .6; }
.kb-article-card-more { margin-top: auto; color: var(--cta-primary-bg, #009FCB); font-weight: 600; font-size: .9rem; }

.kb-empty {
  max-width: 700px; margin: 1rem auto 2rem; padding: 1.4rem;
  text-align: center; color: #fff;
  background: var(--card-bg, rgba(0,0,0,.28)); border: var(--card-border, 1px solid rgba(255,255,255,.15));
}

/* ---- Cover image + placeholder -------------------------------------------- */
.kb-cover { margin: 0 0 1.2rem; }
.kb-cover img { display: block; width: 100%; height: auto; }
.kb-cover-placeholder {
  display: flex; align-items: center; justify-content: center;
  min-height: 180px;
  background: linear-gradient(135deg, #12202f 0%, #1c3a4d 60%, #009FCB 100%);
}
.kb-article-card-cover .kb-cover-placeholder { min-height: 140px; }
.kb-cover-ph-mark {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 3rem; font-weight: 700; color: rgba(255,255,255,.85);
}

/* ---- Article (lecture longue) --------------------------------------------- */
.kb-article {
  max-width: 820px;
  margin: 0 auto;
  padding: 1.6rem 1.6rem 2rem;
  background: var(--card-bg, rgba(0,0,0,.30));
  border: var(--card-border, 1px solid rgba(255,255,255,.15));
  color: #fff;
}
.kb-article-head { margin-bottom: 1.2rem; }
.kb-article-cat {
  display: inline-block; margin-bottom: .5rem;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--cta-primary-bg, #009FCB); text-decoration: none;
}
.kb-article-cat:hover { color: var(--cta-primary-bg-hover, #61C452); }
.kb-article-title { font-size: clamp(1.7rem, 3.4vw, 2.3rem); margin: 0 0 .7rem; line-height: 1.2; }
.kb-article-meta { font-size: .85rem; color: rgba(255,255,255,.78); display: flex; flex-wrap: wrap; align-items: center; gap: .1rem; }
.kb-article-meta time { color: rgba(255,255,255,.9); }

/* Résumé (réutilise .page-summary de style.css ; ajustement pour paragraphe) */
.kb-summary.page-summary { margin: 1.2rem 0; }
.kb-summary.page-summary p { margin: 0; line-height: 1.55; }

/* Sommaire auto (TOC) */
.kb-toc {
  margin: 1.2rem 0 1.6rem;
  padding: 1rem 1.2rem;
  background: rgba(0,0,0,.25);
  border-left: 3px solid var(--cta-primary-bg, #009FCB);
}
.kb-toc-title { font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; margin: 0 0 .6rem; }
.kb-toc ol { margin: 0; padding-left: 1.2rem; }
.kb-toc li { margin: .3rem 0; }
.kb-toc a { color: rgba(255,255,255,.92); text-decoration: none; }
.kb-toc a:hover { color: var(--cta-primary-bg, #009FCB); text-decoration: underline; }

/* Corps de l'article */
.kb-article-body { font-size: 1.05rem; line-height: 1.7; }
.kb-article-body h2 { font-size: 1.4rem; margin: 1.8rem 0 .6rem; scroll-margin-top: 80px; }
.kb-article-body h3 { font-size: 1.15rem; margin: 1.2rem 0 .4rem; }
.kb-article-body p { margin: 0 0 1rem; }
.kb-article-body ul, .kb-article-body ol { margin: 0 0 1rem 1.4rem; }
.kb-article-body li { margin: .35rem 0; }
.kb-article-body a { color: var(--cta-primary-bg, #009FCB); }
.kb-article-body a:hover { color: var(--cta-primary-bg-hover, #61C452); }

/* Encadré Synila (discret, reconfigurable — Lot G) */
.kb-synila-box {
  margin: 1.8rem 0 1rem;
  padding: 1.1rem 1.3rem;
  background: rgba(0, 159, 203, .14);
  border: 1px solid rgba(0, 159, 203, .5);
  display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem;
}
.kb-synila-text { margin: 0; flex: 1 1 260px; font-size: .98rem; }
.kb-synila-cta {
  flex: 0 0 auto;
  padding: .5rem 1rem;
  background: var(--cta-primary-bg, #009FCB); color: var(--cta-primary-color, #fff);
  text-decoration: none; font-weight: 600; font-size: .9rem;
  transition: var(--cta-transition, background .3s, transform .2s);
}
.kb-synila-cta:hover { background: var(--cta-primary-bg-hover, #61C452); }

.kb-article-cta { margin-top: 1.6rem; text-align: center; }

/* Maillage (réutilise .related-links de style.css) : recentrage sur la colonne */
.kb-related { max-width: 820px; }

/* ---- Responsive ------------------------------------------------------------ */
@media (max-width: 640px) {
  .kb-article-card-link { grid-template-columns: 1fr; }
  .kb-article-card-cover { min-height: 160px; }
  .kb-article { padding: 1.2rem 1rem 1.6rem; }
}