/* ==========================================================================
   PRODUCT CARD
   Supports: image, brand, name, SKU, short description, stock, price
   (optional / compare-at), tags (new | featured | sale), view button.
   ========================================================================== */

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    border-color var(--duration) var(--ease),
    box-shadow var(--duration) var(--ease);
}

.product-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.product-card__media {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  margin: var(--space-2);
  margin-bottom: 0;
  padding: var(--space-6);
  background: var(--surface-steel);
  border-radius: calc(var(--radius-lg) - 6px);
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--duration-slow) var(--ease);
}

.product-card:hover .product-card__media img {
  transform: scale(1.05);
}

.product-card__tags {
  position: absolute;
  top: var(--space-3);
  inset-inline-start: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semibold);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.tag--new {
  background: var(--primary);
  color: var(--on-primary);
}

.tag--featured {
  background: var(--accent);
  color: var(--on-accent);
}

.tag--sale {
  background: var(--sale);
  color: #fff;
}

.product-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5) 0;
  flex: 1;
}

.product-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.product-card__brand {
  font-weight: var(--fw-semibold);
  color: var(--text);
  letter-spacing: 0.02em;
}

/* SKU styled as a small equipment rating plate */
.product-card__sku {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--background);
  white-space: nowrap;
}

.product-card__sku .mono {
  color: var(--text);
  font-size: var(--fs-xs);
}

.product-card__title {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  line-height: 1.4;
  letter-spacing: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8em;
}

.product-card__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.product-card__title a:focus-visible {
  box-shadow: none;
}

.product-card:focus-within {
  border-color: var(--primary);
}

.product-card__description {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__stock {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--success);
}

.product-card__stock::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.product-card__stock--out {
  color: var(--text-subtle);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: auto;
  padding: var(--space-4) var(--space-5) var(--space-5);
}

.product-card__price {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.product-card__price-value {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
}

.product-card__price-compare {
  font-size: var(--fs-xs);
  color: var(--text-subtle);
  text-decoration: line-through;
}

.product-card__price-note {
  font-size: var(--fs-2xs);
  color: var(--text-subtle);
}

.product-card__price--quote {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-muted);
}

.product-card__cta {
  position: relative;
  z-index: 2;
}

/* ---- Rail (horizontal scroller) ---------------------------------------- */

.product-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - var(--space-5) * 3) / 4);
  gap: var(--space-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding-block: var(--space-1) var(--space-3);
  overscroll-behavior-x: contain;
}

.product-rail::-webkit-scrollbar {
  display: none;
}

.product-rail > * {
  scroll-snap-align: start;
}

@media (max-width: 1200px) {
  .product-rail {
    grid-auto-columns: calc((100% - var(--space-5) * 2) / 3);
  }
}

@media (max-width: 860px) {
  .product-rail {
    grid-auto-columns: 44%;
    gap: var(--space-4);
    /* bleed to screen edges on touch devices */
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    scroll-padding-inline: var(--gutter);
  }
}

@media (max-width: 560px) {
  .product-rail {
    grid-auto-columns: 78%;
    gap: var(--space-3);
  }

  .product-card__media {
    padding: var(--space-5);
  }

  .product-card__body {
    padding: var(--space-4) var(--space-4) 0;
  }

  .product-card__footer {
    padding: var(--space-4);
  }
}