/* couvertures.css — styles propres à /couvertures/ uniquement.
   Ne redéfinit aucune règle de ws.css : variables réutilisées, sélecteurs
   préfixés .couv- (voir brief). Lié uniquement dans couvertures/index.html. */

:root {
  /* doré assombri pour AA sur fond clair (var(--gold) ne passe pas : ~2.2:1) */
  --couv-gold-ink: #8a6d1f;
}

/* ---- Hero réduit ---- */
.couv-hero { min-height: 420px; }
.couv-hero .page-hero-shade {
  background: linear-gradient(180deg, rgba(7,17,31,.32) 0%, rgba(7,17,31,.48) 40%, rgba(7,17,31,.76) 100%);
}
.couv-hero h1 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); margin: .2em 0 .3em; }
.couv-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

/* ---- Section unique : en-tête ---- */
.couv-guide-section { background: var(--paper); padding: 64px 0 0; }
.couv-guide-head { max-width: 640px; padding-bottom: 28px; }
.couv-guide-section .eyebrow { color: var(--couv-gold-ink); margin-bottom: 8px; }
.couv-guide-head h2 { margin: 0; }

/* ---- Barre d'ancres (sticky) ---- */
.couv-anchors {
  position: sticky;
  top: var(--nav-h);
  z-index: 20;
  background: rgba(255,252,247,.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.couv-anchors-inner {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.couv-anchors-inner::-webkit-scrollbar { display: none; }
.couv-anchor-pill {
  flex: none;
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line);
  transition: background .2s, border-color .2s, color .2s;
}
.couv-anchor-pill:hover { border-color: var(--gold); }
.couv-anchor-pill:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
.couv-anchor-pill.is-active { background: var(--gold); border-color: var(--gold); color: var(--navy); }

/* ---- Rangées horizontales ---- */
.couv-rows { padding: 40px 0 88px; }
.couv-row {
  display: grid;
  grid-template-columns: 45% 1fr;
  gap: 48px;
  align-items: center;
  min-height: 340px;
  padding: 36px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--nav-h) + 60px);
}
.couv-row:first-child { border-top: none; padding-top: 12px; }
.couv-row.couv-row-reverse { grid-template-columns: 1fr 45%; }
.couv-row.couv-row-reverse .couv-row-media { order: 2; }
.couv-row.couv-row-reverse .couv-row-text { order: 1; }
.couv-row-media a {
  display: block;
  border-radius: 16px;
  overflow: hidden;
}
.couv-row-media a:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}
.couv-row-media picture,
.couv-row-media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 16px;
  transition: transform .35s var(--ease);
}
.couv-row-media video.card-video {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: center 35%;
  border-radius: 16px; background: #0d1e40; transition: transform .35s var(--ease);
}
.couv-row-media a:hover video.card-video { transform: scale(1.03); }
.couv-row-media a:hover img {
  transform: scale(1.03);
}
.couv-row-label {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--couv-gold-ink);
  margin-bottom: 8px;
}
.couv-row-text h3 { margin: 0 0 10px; }
.couv-row-quote {
  font-family: var(--display);
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--text);
  margin: 0 0 18px;
}
.couv-row-fit { font-weight: 700; font-size: 14px; color: var(--navy); margin: 0 0 6px; }
.couv-row-bullets { list-style: none; margin: 0 0 22px; padding: 0; }
.couv-row-bullets li {
  position: relative;
  padding-left: 1.15em;
  margin: 4px 0;
  font-size: 15px;
  color: var(--muted);
}
.couv-row-bullets li::before { content: "•"; position: absolute; left: 0; color: var(--gold); }
.couv-btn-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--navy);
  color: var(--navy) !important;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition: background .2s, color .2s;
}
.couv-btn-line:hover { background: var(--navy); color: #fff !important; }
.couv-btn-line:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }

/* apparition douce au scroll — réutilise .reveal/.visible existants (jt.js),
   surcharge juste la direction du glissement selon le côté de l'image */
.couv-row.reveal { transform: translateX(-28px); }
.couv-row.couv-row-reverse.reveal { transform: translateX(28px); }
.couv-row.reveal.visible { transform: none; }

@media (prefers-reduced-motion: reduce) {
  .couv-row.reveal { transition: opacity .3s linear; transform: none; }
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .couv-row,
  .couv-row.couv-row-reverse { grid-template-columns: 1fr; gap: 20px; min-height: 0; }
  .couv-row.couv-row-reverse .couv-row-media { order: 1; }
  .couv-row.couv-row-reverse .couv-row-text { order: 2; }
  .couv-row.reveal,
  .couv-row.couv-row-reverse.reveal { transform: translateY(16px); }
}
@media (max-width: 800px) {
  .couv-hero { min-height: 360px; }
  .couv-anchors-inner {
    flex-wrap: wrap;
    overflow-x: visible;
    gap: 6px;
    justify-content: center;
    padding: 10px 0;
  }
  .couv-anchor-pill {
    padding: 6px 10px;
    font-size: 12px;
  }
}