.product-page { padding: 48px 0 90px; }
.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.product-photo {
  aspect-ratio: 1/1;
  background: var(--green-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-700);
  text-align: center;
  padding: 20px;
  overflow: hidden;
}
.product-photo img { width: 100%; height: 100%; object-fit: cover; }
.thumb-row { display: flex; gap: 10px; margin-top: 12px; }
.thumb-btn {
  width: 64px; height: 64px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  background: var(--green-100);
}
.thumb-btn.active { border-color: var(--green-800); }
.thumb-btn img { width: 100%; height: 100%; object-fit: cover; }
.breadcrumb { font-size: 0.85rem; color: rgba(20,35,27,0.55); margin-bottom: 18px; }
.breadcrumb a { text-decoration: none; color: rgba(20,35,27,0.55); }
.breadcrumb a:hover { color: var(--green-800); }

.product-info .brand-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--flag-600);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: block;
  margin-bottom: 6px;
}
.product-info h1 { margin-bottom: 14px; }
.product-info .desc { color: rgba(20,35,27,0.78); }

.variation-block { margin: 26px 0; }
.variation-block h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: rgba(20,35,27,0.55);
  margin-bottom: 10px;
}
.variation-options { display: flex; flex-wrap: wrap; gap: 10px; }
.variation-chip {
  border: 1.5px solid rgba(20,35,27,0.18);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--white);
  color: var(--green-900);
}
.variation-chip.selected { border-color: var(--green-800); background: var(--green-100); }
.variation-chip.disabled { opacity: 0.4; cursor: not-allowed; text-decoration: line-through; }

.price-block { display: flex; align-items: baseline; gap: 12px; margin: 24px 0 4px; }
.price-block .price { font-family: var(--font-serif); font-size: 2rem; color: var(--green-800); }
.price-block .strike { font-size: 1.1rem; color: rgba(20,35,27,0.4); text-decoration: line-through; }
.price-block .save-badge { font-size: 0.85rem; font-weight: 700; color: var(--flag-600); background: var(--sand-100); padding: 4px 10px; border-radius: 4px; }
.stock-note { font-size: 0.88rem; margin-bottom: 22px; color: rgba(20,35,27,0.65); }
.stock-note.low { color: var(--flag-600); font-weight: 600; }

.qty-row { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.qty-stepper { display: flex; align-items: center; border: 1.5px solid rgba(20,35,27,0.18); border-radius: var(--radius); }
.qty-stepper button { background: none; border: none; width: 38px; height: 38px; font-size: 1.1rem; cursor: pointer; }
.qty-stepper input { width: 42px; text-align: center; border: none; font-size: 1rem; }

@media (max-width: 820px) {
  .product-layout { grid-template-columns: 1fr; gap: 28px; }
}