/* Page Secteurs (hub) — grille des fiches secteurs (Chapitre 4) */

.sectors-hub {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* ─── Introduction ─── */
.sectors-hub__intro {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  max-width: 760px;
}

.sectors-hub__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.sectors-hub__title {
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.sectors-hub__text {
  color: var(--text-secondary);
  font-size: clamp(0.98rem, 2vw, 1.08rem);
  line-height: 1.7;
}

/* ─── Grille des secteurs ─── */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.15rem;
}

.sectors-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 260px;
  padding: 1.5rem;
  border-radius: 0.9rem;
  text-decoration: none;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.sectors-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 65, 0.55) 0%, rgba(6, 26, 65, 0.85) 70%);
  transition: opacity 0.3s ease;
}

.sectors-card__name,
.sectors-card__text,
.sectors-card__link {
  position: relative;
  z-index: 1;
}

.sectors-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.sectors-card:hover .sectors-card__overlay {
  opacity: 0.92;
}

.sectors-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.sectors-card__text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  flex: 1;
}

.sectors-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.3s ease;
}

.sectors-card:hover .sectors-card__link {
  gap: 0.6rem;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .sectors-grid {
    grid-template-columns: 1fr;
  }

  .sectors-hub {
    gap: 2rem;
  }
}

/* ─── Reveal ─── */
.sectors-hub__intro.reveal-on-scroll,
.sectors-card.reveal-on-scroll {
  transform: translateY(24px);
  opacity: 0;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.55s ease;
}

.sectors-hub__intro.reveal-on-scroll.is-visible,
.sectors-card.reveal-on-scroll.is-visible {
  transform: translateY(0);
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .sectors-hub__intro.reveal-on-scroll,
  .sectors-card.reveal-on-scroll {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}