/* ===== Best Sellers — 4×2 Grid ===== */

.bs-section {
  background: var(--color-surface);
  padding: var(--space-4xl) 0;
}

/* ── Header Row ── */
.bs-header {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.bs-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  color: var(--color-ink);
  white-space: nowrap;
}

.bs-filters {
  display: flex;
  gap: 0;
}

.bs-filter {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  padding: 6px 18px;
  border: 1px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: -1px;
}

.bs-filter:first-child {
  margin-left: 0;
  border-radius: 0;
}

.bs-filter:last-child {
  border-radius: 0;
}

.bs-filter.active {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
  z-index: 1;
  position: relative;
}

.bs-filter:hover:not(.active) {
  color: var(--color-ink);
  border-color: var(--color-ink);
  z-index: 1;
  position: relative;
}

/* Brand logo filter buttons */
.bs-filter-brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.bs-brand-icon {
  flex-shrink: 0;
}

.bs-shop-all {
  margin-left: auto;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-ink);
  padding: 12px 32px;
  border-radius: 0;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.bs-shop-all:hover {
  background: var(--color-gold-dark);
  color: var(--color-white);
}

/* ── Product Grid ── */
.bs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl) var(--space-lg);
}

/* ── Product Card ── */
.bs-card {
  display: flex;
  flex-direction: column;
  text-align: center;
  position: relative;
}

.bs-card.bs-hidden {
  display: none;
}

/* Badge */
.bs-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 4px 14px;
  border: 1.5px solid var(--color-ink);
  border-radius: 0;
  margin: 0 auto var(--space-md);
  color: var(--color-ink);
  background: var(--color-surface);
}

/* Image with hover swap */
.bs-img {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  margin-bottom: var(--space-lg);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bs-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4%;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.bs-img-main {
  opacity: 1;
}

.bs-img-hover {
  opacity: 0;
}

.bs-card:hover .bs-img-main {
  opacity: 0;
  transform: scale(0.95);
}

.bs-card:hover .bs-img-hover {
  opacity: 1;
  transform: scale(1.02);
}

/* Info */
.bs-info {
  margin-bottom: var(--space-md);
}

.bs-collection {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.bs-variant {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-sm);
}

.bs-price {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-ink);
  margin-bottom: 6px;
}

/* Action Button */
.bs-actions {
  margin-top: var(--space-md);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.bs-card:hover .bs-actions {
  opacity: 1;
  transform: translateY(0);
}

.bs-btn {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  padding: 12px 0;
  width: 100%;
  display: block;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.bs-btn-add {
  background: var(--color-ink);
  color: var(--color-white);
  border: none;
}

.bs-btn-add:hover {
  background: var(--color-gold-dark);
  color: var(--color-white);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .bs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .bs-header {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .bs-title {
    font-size: var(--text-2xl);
    width: 100%;
  }

  .bs-shop-all {
    margin-left: 0;
  }

  .bs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-md);
  }

  .bs-actions {
    opacity: 1;
    transform: none;
  }

  .bs-btn {
    padding: 10px 0;
    font-size: 10px;
  }
}

@media (max-width: 480px) {
  .bs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md) var(--space-sm);
  }

  .bs-badge {
    font-size: 9px;
    padding: 3px 10px;
  }

  .bs-actions {
    opacity: 1;
    transform: none;
  }
}