/* pages/product.css — монохромна сторінка товару */
.product-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

@media (min-width: 1024px) {
  .product-detail { flex-direction: row; gap: var(--space-2xl); }
  .product-detail__gallery { flex: 0 0 58%; }
  .product-detail__info { flex: 1; }
}

.product-detail__gallery .gallery__main {
  box-shadow: var(--elevation-lift);
  border: 1px solid var(--mono-glass-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-bg-muted) 80%, var(--color-bg)) 0%,
    color-mix(in srgb, var(--color-surface) 50%, var(--color-bg-muted)) 100%
  );
}

.product-detail__info {
  padding: var(--space-xl);
  border: 1px solid var(--mono-glass-border);
  border-radius: var(--radius-xl);
  background: var(--gradient-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--elevation-soft), var(--elevation-inset);
}

.product-detail__info h1 {
  font-weight: var(--font-weight-display);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-heading);
}

.product-detail__price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.product-detail__price {
  font-size: var(--font-size-2xl);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-tight);
}

.product-detail__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.product-detail__specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.product-detail__specs-table th,
.product-detail__specs-table td {
  text-align: left;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.product-detail__specs-table th {
  color: var(--color-text-muted);
  font-weight: 500;
  width: 45%;
}

.product-detail__accordion { border-top: 1px solid var(--color-border); }
.product-detail__accordion-item { border-bottom: 1px solid var(--color-border); }

.product-detail__accordion-btn {
  width: 100%;
  min-height: var(--touch-min);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  text-align: left;
}

.product-detail__accordion-body {
  padding-bottom: var(--space-md);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

.product-sticky-cta {
  position: sticky;
  bottom: 0;
  z-index: var(--z-header);
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  padding-bottom: calc(var(--space-md) + var(--safe-bottom));
  background: var(--mono-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--mono-glass-border);
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.08);
}

@media (min-width: 1024px) {
  .product-sticky-cta { display: none; }
}

.product-detail + .section::before {
  background: radial-gradient(
    ellipse 100% 100% at 50% 0%,
    var(--mono-studio-spot),
    transparent 72%
  );
}