/* ==========================================================================
   AMMY TERRA — product.css (ficha de producto, ERS 3.3 / checklist Z12)
   Galeria 55 % + datos 45 %; pestanas; "Tambien podrias necesitar"; relacionados.
   Propiedad: Claude (T05). Solo variables de tokens.css.
   ========================================================================== */

.product-page { padding-bottom: var(--s6); }
.product-page .breadcrumbs ol { padding: 18px 0 20px; }

.pdp {
  display: grid;
  grid-template-columns: minmax(0, 55fr) minmax(0, 45fr);
  gap: 48px;
  align-items: start;
}

/* ---------------------------------------------------------------- Galeria */
.gallery { display: grid; gap: 14px; }
.gallery__main {
  position: relative; overflow: hidden;
  aspect-ratio: 1 / 1;   /* mockup: principal casi cuadrada; cover recorta sin deformar */
  border-radius: var(--r-card);
  background: var(--c-bg-alt);
  box-shadow: var(--sh-soft);
}
@media (max-width: 1023px) { .gallery__main { aspect-ratio: 4 / 3; } }
.gallery__main picture { display: block; width: 100%; height: 100%; }
.gallery__img { width: 100%; height: 100%; object-fit: cover; transition: opacity .25s ease; }
.gallery__img.is-swapping { opacity: .35; }
.gallery__thumbs {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px;
  margin: 0; padding: 0; list-style: none;
}
.gallery__thumb {
  display: block; width: 100%; padding: 0;
  aspect-ratio: 4 / 3; overflow: hidden;
  border: 1px solid var(--c-border); border-radius: var(--r-btn);
  background: var(--c-surface); cursor: pointer;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.gallery__thumb picture { display: block; width: 100%; height: 100%; }
.gallery__thumb-img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb:hover { border-color: var(--c-green-600); }
.gallery__thumb.is-active { border-color: var(--c-green); box-shadow: 0 0 0 1px var(--c-green); }

/* ---------------------------------------------------------------- Datos */
.pdp__info { padding-top: 6px; }
.pdp__title {
  margin: 0 0 4px;
  font-size: clamp(28px, 1.3vw + 16px, 36px); font-weight: 600; line-height: 1.15;
  color: var(--c-text);
}
.pdp__sci { margin: 0 0 12px; font-size: var(--fs-sm); font-style: italic; color: var(--c-text-muted); }
.pdp__price-row { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; margin: 10px 0 8px; }
.pdp__price { margin: 0; font-size: 28px; font-weight: 700; line-height: 1.1; color: var(--c-text); }
.pdp__price.is-offer { color: var(--c-terracotta); }
.pdp__compare { font-size: 16px; color: var(--c-text-muted); }
.pdp__lead { margin: 14px 0 20px; font-size: 16px; line-height: 1.6; color: var(--c-text-muted); max-width: 34em; }

.rating { display: flex; align-items: center; gap: 8px; margin: 0; font-size: var(--fs-sm); color: var(--c-text-muted); }
.rating__stars { display: inline-flex; gap: 2px; }
.rating__star { position: relative; width: 18px; height: 18px; color: var(--c-terracotta); }
.rating__star .icon { position: absolute; inset: 0; width: 18px; height: 18px; stroke-width: 3.4; }
.rating__fill { fill: currentColor; clip-path: inset(0 100% 0 0); }
.rating__star.is-full .rating__fill { clip-path: none; }
.rating__star.is-half .rating__fill { clip-path: inset(0 50% 0 0); }

.pdp__attrs {
  display: grid; grid-template-columns: repeat(2, max-content); gap: 12px 32px;
  margin: 0 0 20px; padding: 0; list-style: none;
}
.pdp__attrs li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; font-weight: var(--fw-ui-med); color: var(--c-green); }
.pdp__attrs .icon { width: 22px; height: 22px; color: var(--c-green-600); stroke-width: 3.2; }
.pdp__stock { margin: 0 0 22px; }
.pdp__stock .chip { padding: 6px 12px; }

.pdp__buy-row { display: flex; gap: 14px; align-items: stretch; }
.pdp__add { flex: 1; min-height: 52px; }
.pdp__notice { margin: 12px 0 0; }

.install-opt {
  margin-top: 16px; padding: 14px 16px;
  border: 1px solid var(--c-border); border-radius: var(--r-card);
  background: var(--c-surface);
}
.install-opt__label { margin: 0; font-size: 14.5px; }
.install-opt__label strong { display: block; font-weight: var(--fw-ui-semi); color: var(--c-text); }
.install-opt__help { display: block; margin-top: 2px; font-size: 13px; line-height: 1.5; color: var(--c-text-muted); }

/* Bloque logistico (mockup: "Envios a toda la V Region") */
.logi {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 4px 16px;
  margin-top: 18px; padding: 16px 18px;
  background: var(--c-bg-alt); border: 1px solid var(--c-border-soft); border-radius: var(--r-card);
}
.logi__icon {
  width: 48px; height: 48px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--c-surface); color: var(--c-green); border: 1px solid var(--c-border);
}
.logi__icon .icon { width: 26px; height: 26px; }
.logi__text p { margin: 0; font-size: 13.5px; color: var(--c-text-muted); }
.logi__text .logi__title { font-size: 15px; font-weight: var(--fw-ui-semi); color: var(--c-text); }
.logi__btn { min-height: 44px; }
.ship-calc { grid-column: 1 / -1; margin-top: 12px; padding-top: 14px; border-top: 1px solid var(--c-border); }
.ship-calc[hidden] { display: none; }
.ship-calc__row { display: flex; gap: 10px; }
.ship-calc__row select { flex: 1; min-width: 0; }
.ship-calc__result { margin: 10px 0 0; font-size: var(--fs-sm); }
.ship-calc__result:empty { display: none; }

/* ---------------------------------------------------------------- Pestanas */
.product-page .tabs { margin-top: 56px; }

/* ------------------------------------------ Secciones inferiores */
.pdp-section { margin-top: 56px; }
.pdp-section__title { margin: 0 0 22px; font-size: clamp(24px, 1vw + 14px, 30px); font-weight: 500; }

.mini-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }

/* ---------------------------------------------------------------- Responsive */
@media (max-width: 1279px) {
  .pdp { gap: 36px; }
  .pdp__attrs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; }
}
@media (max-width: 1023px) {
  .pdp { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; }
  .logi { grid-template-columns: auto 1fr; }
  .logi__btn { grid-column: 1 / -1; margin-top: 10px; }
  .mini-grid { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .pdp { grid-template-columns: 1fr; gap: 22px; }
  .product-page .breadcrumbs ol { padding: 12px 0 14px; }
  .gallery__thumbs { gap: 8px; }
  .pdp__price { font-size: 26px; }
  .pdp__attrs { grid-template-columns: 1fr 1fr; gap: 10px 14px; }
  .pdp__attrs li { font-size: 14px; }
  .pdp__buy-row { gap: 10px; }
  .qty__btn { width: 44px; }
  .qty__input { width: 44px; }
  .pdp__add { padding-inline: 14px; }
  .ship-calc__row { flex-direction: column; }
  .product-page .tabs, .pdp-section { margin-top: 40px; }
}