/* Page /cas-usage — hub des cas d'usage groupés par fonction métier.
 * Hérite de style.css (base), forms.css (.audit-hero), expertises.css
 * (.expertises-content, .expertises-cases, eyebrow), about.css (.partners-cta-final),
 * tarifs.css (.expertises-main override pour layout sans TOC sidebar).
 * Ajoute ici : .case-grid + .case-card (cards cas d'usage). */

/* Espacement entre catégories — un peu plus serré que .expertises-cases default. */
.case-category {
  margin-bottom: 80px;
}

/* Grid des cards cas d'usage — 2 colonnes desktop, 1 colonne mobile. */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 8px;
}

/* Card cas d'usage — design proche de .expertises-case mais cliquable (lien complet),
 * avec un état hover qui sort la card. */
.case-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 26px;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: border-color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}
.theme-light .case-card {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(0, 0, 0, 0.06);
}
.case-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet-2), var(--cyan));
  opacity: 0;
  transition: opacity 200ms ease;
}
.case-card:hover {
  transform: translateY(-3px);
  border-color: var(--violet-2);
  box-shadow: 0 18px 40px -22px rgba(var(--violet-rgb), 0.4);
}
.case-card:hover::before {
  opacity: 1;
}

.case-card-tag {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(var(--violet-rgb), 0.10);
  color: var(--violet-2);
  border: 1px solid rgba(var(--violet-rgb), 0.18);
  margin-bottom: 4px;
}
.theme-light .case-card-tag {
  background: rgba(var(--violet-rgb), 0.06);
  border-color: rgba(var(--violet-rgb), 0.16);
}

.case-card-title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(20px, 2vw, 24px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
  margin: 0;
}

.case-card-lead {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0;
  flex-grow: 1;
}

.case-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--violet-2);
  margin-top: 8px;
  font-weight: 600;
}
.case-card-link svg {
  transition: transform 200ms ease;
}
.case-card:hover .case-card-link svg {
  transform: translate(2px, -2px);
}

/* Responsive */
@media (max-width: 760px) {
  .case-grid {
    grid-template-columns: 1fr;
  }
  .case-category {
    margin-bottom: 60px;
  }
}