/* ==========================================================================
   Product Card — used across homepage grid, models catalog, related products
   ========================================================================== */

.product-card {
  background: var(--paper);
  border: 1px solid var(--line-on-paper);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--ink);
}

.product-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--paper-2);
  overflow: hidden;
}
.product-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity var(--dur-med) var(--ease);
}
.product-card__media img.img-iso {
  position: absolute; inset: 0;
  opacity: 0;
}
.product-card:hover .img-front { opacity: 0; }
.product-card:hover .img-iso { opacity: 1; }

.product-card__tags {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  gap: var(--space-2);
}

.product-card__sku {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-on-paper-mute);
  background: rgba(245, 243, 236, 0.85);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-on-paper);
}

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

.product-card__category {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.product-card__name {
  font-size: var(--fs-md);
  font-weight: 600;
  line-height: var(--lh-snug);
}
.product-card__name a::after { content: ""; position: absolute; inset: 0; }

.product-card__tagline {
  font-size: var(--fs-sm);
  color: var(--text-on-paper-mute);
  line-height: var(--lh-snug);
}

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

.product-card__price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-md);
}
.product-card__price .compare {
  font-weight: 400;
  color: var(--text-on-paper-mute);
  text-decoration: line-through;
  margin-left: var(--space-2);
  font-size: var(--fs-sm);
}

.product-card__rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-on-paper-mute);
}
.product-card__rating svg { width: 13px; height: 13px; fill: var(--amber); }

.product-card__quick-add {
  position: relative;
  z-index: 2;
  margin-top: var(--space-3);
  width: 100%;
}

.product-card__badge-3d {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 1;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--text-on-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.02em;
}