.product-detail{ padding: 40px 0 100px; }
.back-link{
  background:none; border:none; color: var(--bone-dim);
  font-family: var(--font-mono); font-size:.8rem;
  cursor:pointer; margin-bottom: 24px;
}
.back-link:hover{ color: var(--bone); }

.product-detail-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items:flex-start;
}
.product-detail-media{
  overflow:hidden;
  aspect-ratio: 1/1.05;
}
.product-detail-media img{ width:100%; height:100%; object-fit:cover; }

/* Under the photo, quiet on purpose. It is a courtesy for somebody who wants
   the picture, not a call to action competing with Add to cart. */
.product-detail-download{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:12px;
  font-family: var(--font-mono);
  font-size:.72rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color: var(--bone-dim);
  transition: color var(--dur-fast) var(--ease-glass);
}

.product-detail-download:hover{ color: var(--bone); }

.product-detail-info h1{ font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin: .3em 0 .3em; }
.product-detail-price{
  font-family: var(--font-mono);
  color: var(--kiln-light);
  font-size: 1.2rem;
  margin: 0 0 18px;
}
.product-detail-desc{ font-size: 1rem; }
.product-detail-tags{
  display:flex; gap:8px; flex-wrap:wrap; margin: 6px 0 18px;
}
.product-detail-tags span{
  font-family: var(--font-mono);
  font-size:.72rem;
  color: var(--teal-text);
  background: rgba(39,106,102,0.18);
  padding: 4px 10px;
  border-radius: 999px;
}
.product-detail-stock{ margin-bottom: 22px; font-family: var(--font-mono); font-size:.82rem; }
.in-stock{ color: #7FBF8A; }
.out-stock{ color: var(--clay-text); }

.product-detail-actions{
  display:flex;
  gap: 14px;
  align-items:center;
  margin-bottom: 26px;
}
.qty-stepper{
  display:flex; align-items:center; gap: 16px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 10px 18px;
}
.qty-stepper button{
  background:none; border:none; color:var(--bone); font-size:1.1rem; cursor:pointer;
}
.product-detail-note{ padding: 16px 18px; }
.product-detail-note p{ margin:0; font-size:.85rem; }

.product-related{ margin-top: 80px; }
.product-related h3{ margin-bottom: 22px; font-size: 1.4rem; }

.product-notfound{ padding: 100px 0; text-align:center; }

@media (max-width: 860px){
  .product-detail-grid{ grid-template-columns: 1fr; gap: 26px; }
}