/* assets/pdp.css — layout de la página de producto (PDP) */

.pdp { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); padding: 16px 0 72px; align-items: start; }
@media (max-width: 900px) { .pdp { grid-template-columns: 1fr; gap: 32px; } }

/* Galería */
.gallery__main {
  background: var(--sand-deep); border-radius: 6px; overflow: hidden;
  aspect-ratio: 4 / 5; position: sticky; top: 88px;
}
.gallery__main img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out); }
.gallery__main:hover img { transform: scale(1.04); }
@media (max-width: 900px) { .gallery__main { position: static; aspect-ratio: 1 / 1; } }
.gallery__thumbs { display: flex; gap: 12px; margin-top: 12px; }
.gallery__thumb {
  width: 72px; height: 72px; border-radius: 4px; overflow: hidden;
  background: var(--sand-deep); border: 1px solid var(--rule); cursor: pointer;
  flex-shrink: 0; transition: border-color 0.2s;
}
.gallery__thumb[aria-pressed="true"] { border-color: var(--charcoal); }
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb--ph { display: flex; align-items: center; justify-content: center; color: var(--mist); font-size: 10px; }

/* Buy box */
.buy__sub { font-size: 11px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--terra); margin-bottom: 12px; }
.buy__name { font-family: var(--f-head); font-size: clamp(30px, 4.5vw, 46px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.02; margin-bottom: 16px; }
.buy__rating { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; font-size: 13px; color: var(--stone); }
.buy__stars { color: var(--terra); letter-spacing: 0.08em; font-size: 14px; }
.buy__guarantee { display: flex; gap: 12px; align-items: center; margin: 18px 0 24px; padding: 14px 16px; background: #FBEAE3; border: 1px solid #E8B8A6; border-radius: 4px; }
.buy__guarantee svg { color: var(--terra-dk); flex-shrink: 0; }
.buy__guarantee strong { display: block; font-size: 14px; color: var(--graphite); }
.buy__guarantee span { font-size: 12.5px; color: var(--stone); }
.buy__price { display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.buy__price-now { font-family: var(--f-head); font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.buy__price-was { font-size: 18px; }
.buy__save { font-size: 12px; font-weight: 600; color: var(--terra); background: #FBEAE3; padding: 4px 10px; border-radius: 100px; }
.buy__desc { font-size: 15px; line-height: 1.75; color: var(--stone); margin-bottom: 28px; }

.buy__opt { margin-bottom: 22px; }
.buy__opt-label { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--stone); margin-bottom: 10px; display: flex; gap: 8px; }
.buy__opt-label b { color: var(--charcoal); font-weight: 600; }

.buy__features { list-style: none; display: grid; gap: 10px; margin: 0 0 28px; }
.buy__features li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--graphite); }
.buy__features svg { flex-shrink: 0; color: var(--terra); }

.buy__cta { margin-bottom: 24px; }
.buy__trust { padding-top: 22px; border-top: 1px solid var(--rule); }

/* Tabs */
.tabs { max-width: 1180px; margin: 0 auto; padding: 8px 0 64px; }
.tabs__nav { display: flex; gap: 4px; border-bottom: 1px solid var(--rule); flex-wrap: wrap; }
.tabs__btn {
  padding: 14px 20px; font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  color: var(--stone); border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}
.tabs__btn[aria-selected="true"] { color: var(--charcoal); border-bottom-color: var(--terra); }
.tabs__panel { padding: 28px 0; font-size: 15px; line-height: 1.8; color: var(--stone); max-width: 720px; display: none; }
.tabs__panel.active { display: block; }
.tabs__panel h4 { font-family: var(--f-head); color: var(--charcoal); font-size: 16px; margin: 18px 0 8px; }
.tabs__panel ul { margin: 8px 0 8px 18px; }
.tabs__panel li { margin-bottom: 6px; }

/* Related */
.related { max-width: 1180px; margin: 0 auto; padding: 8px 0 80px; }
.related__title { font-family: var(--f-head); font-size: clamp(22px, 3vw, 32px); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 28px; }
.related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 760px) { .related__grid { grid-template-columns: 1fr; } }
.rel-card { display: block; border-radius: 6px; overflow: hidden; background: var(--paper); border: 1px solid var(--rule); transition: transform 0.2s var(--ease-out), box-shadow 0.2s; }
.rel-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(26,26,27,0.08); }
.rel-card__img { aspect-ratio: 4 / 3; background: var(--sand-deep); overflow: hidden; }
.rel-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease-out); }
.rel-card:hover .rel-card__img img { transform: scale(1.05); }
.rel-card__body { padding: 16px 18px 20px; }
.rel-card__name { font-family: var(--f-head); font-weight: 700; font-size: 17px; }
.rel-card__sub { font-size: 12px; color: var(--stone); margin: 2px 0 8px; }
.rel-card__price { font-size: 14px; font-weight: 600; color: var(--terra); }

/* ─── Sticky buy bar (móvil) ──────────────────────── */
.sticky-buy {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  background: rgba(248,244,236,0.97); backdrop-filter: blur(12px);
  border-top: 1px solid var(--rule);
  padding: 11px clamp(16px,5vw,24px); padding-bottom: max(11px, env(safe-area-inset-bottom));
  display: none; align-items: center; justify-content: space-between; gap: 16px;
  box-shadow: 0 -6px 24px rgba(26,26,27,0.06);
}
.sticky-buy__info { min-width: 0; }
.sticky-buy__name { font-family: var(--f-head); font-weight: 700; font-size: 14px; letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sticky-buy__price { font-size: 13px; color: var(--terra); font-weight: 600; margin-top: 1px; }
.sticky-buy__btn { flex-shrink: 0; height: 46px; padding: 0 24px; background: var(--terra); color: #fff; border-radius: 2px; font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; display: inline-flex; align-items: center; transition: background 0.2s, transform 0.15s var(--ease-out); }
.sticky-buy__btn:hover { background: var(--terra-dk); }
.sticky-buy__btn:active { transform: scale(0.97); }
@media (max-width: 760px) { .sticky-buy { display: flex; } .footer { padding-bottom: 92px; } }