/* ════════════════════════════════════════════════════════════
   NOS COLLECTIONS — Inspiré du template Computer Store
   Hero sombre · Catégories alternées · Grille produits hover
   ════════════════════════════════════════════════════════════ */

.bnc-page {
  background: var(--gray);
}

/* ─── HERO ───────────────────────────────────────────────────── */
.bnc-hero {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  background-color: var(--g-dark);
  background-size: cover;
  background-position: center;
  min-height: 44vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 60px 8%;
}

.bnc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.35) 55%, rgba(0,0,0,0.1) 100%);
  z-index: 0;
}

.bnc-hero__content {
  position: relative;
  z-index: 1;
}

.bnc-hero__deco {
  position: absolute;
  z-index: 1;
}

.bnc-hero__eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.bnc-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: var(--weight-extrabold);
  color: var(--white);
  line-height: 1.05;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.bnc-hero__title em {
  font-style: italic;
  color: var(--gold);
}

.bnc-hero__title span {
  color: var(--gold);
}

.bnc-hero__sub {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: rgba(255,255,255,0.65);
  max-width: 500px;
  line-height: 1.7;
  margin: 0;
}

/* Décoration lumineuse */
.bnc-hero__deco {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(1,219,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* ─── GRILLE COLLECTIONS ────────────────────────────────────── */
.bnc-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 480px 380px;
  gap: 16px;
}

.bnc-grid .bnc-card:first-child {
  grid-column: 1 / -1;
}

.bnc-card {
  position: relative;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  text-decoration: none;
  border-radius: 20px;
}

.bnc-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
  z-index: 0;
}

.bnc-card:hover .bnc-card__bg {
  transform: scale(1.04);
}

.bnc-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.05) 55%, transparent 100%);
  z-index: 1;
}

.bnc-card__content {
  position: relative;
  z-index: 2;
  padding: 32px 36px;
}

.bnc-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: var(--weight-bold);
  color: var(--white);
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  line-height: 1.15;
}

.bnc-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--white);
  color: var(--black);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
  transition: background 0.2s ease, transform 0.15s ease, color 0.2s ease;
}

.bnc-card__btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.bnc-card:hover .bnc-card__btn {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}

.bnc-card:hover .bnc-card__btn svg {
  transform: translateX(3px);
}

/* ─── Grille design (3 colonnes) ────────────────────────────── */
.bnc-design-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bnc-design-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: var(--weight-bold);
  color: var(--g);
  letter-spacing: -0.02em;
  margin: 0;
}

.bnc-design-header__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: var(--weight-semibold);
  color: var(--gold);
  text-decoration: none;
  transition: gap 0.2s ease;
}

.bnc-design-header__link:hover { gap: 10px; }

.bnc-grid--design {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 280px 280px;
  padding-top: 0;
}

.bnc-grid--design .bnc-card:first-child {
  grid-column: auto;
}

.bnc-card--sm .bnc-card__title {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  margin-bottom: 12px;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .bnc-grid--design {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 240px);
  }
}

@media (max-width: 768px) {
  .bnc-hero { padding: 48px 6%; min-height: 38vh; }
  .bnc-hero__deco { display: none; }

  .bnc-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .bnc-grid .bnc-card:first-child {
    grid-column: 1;
  }
  .bnc-card {
    min-height: 50vw;
  }
  .bnc-card__content { padding: 24px 20px; }

  .bnc-grid--design {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 48vw);
  }
  .bnc-grid--design .bnc-card:first-child {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  .bnc-hero__title { font-size: 2.4rem; }
  .bnc-card { min-height: 60vw; }

  .bnc-grid--design {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(6, 60vw);
  }
}