/* Tienda premium. Se carga después de shop.css y animations.css (solo en tienda.html) */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes shimmer { to { background-position: -200% 0; } }
@keyframes tickIn { from { opacity: 0; transform: translateY(6px); } }
@keyframes nope { 20% { translate: -5px 0; } 40% { translate: 5px 0; } 60% { translate: -3px 0; } 80% { translate: 3px 0; } }

/* ---------- Encabezado ---------- */
.shop-head { position: relative; max-width: none; padding: 72px 16px 14px; overflow: hidden; }
.shop-head > *:not(.gold-dust) { position: relative; z-index: 1; max-width: 760px; margin-left: auto; margin-right: auto; }
.shop-head .gold-dust { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.shop-head::before { content: ""; position: absolute; left: 50%; top: -140px; width: 760px; max-width: 120%; height: 430px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(201, 162, 77, .17), transparent 72%); pointer-events: none; animation: logoGlow 6s ease-in-out infinite; }
.shop-head__eyebrow { margin-top: 0; margin-bottom: 12px; font-size: 12px; letter-spacing: 7px; text-transform: uppercase; color: var(--gold-2); animation: fadeUp 1.1s var(--ease) .1s both; }
.shop-head .section__title { font-size: clamp(40px, 6vw, 64px); letter-spacing: 2px; margin-bottom: 14px; }
.shop-head__sub { animation: fadeUp 1.2s var(--ease) .45s both; font-size: 16px; line-height: 1.7; }

/* ---------- Barra de filtros (se pega arriba al bajar) ---------- */
.shop-bar { position: relative; z-index: 20; margin-top: 26px; border-bottom: 1px solid transparent; transition: background .45s, box-shadow .45s, border-color .45s; }
.shop-bar.is-stuck { background: rgba(7, 35, 27, .86); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom-color: var(--line); box-shadow: 0 14px 34px rgba(0, 0, 0, .3); }
.shop-bar__in { max-width: 1200px; margin: 0 auto; padding: 14px clamp(16px, 4vw, 48px); display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; justify-items: center; }
.shop-bar__row > .chips { min-width: 0; max-width: 100%; }
.shop-bar__row { width: 100%; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 18px; }
@media (min-width: 701px) { .shop-bar { position: sticky; top: var(--hdr, 72px); } }

/* Interruptores Oro / Plata: se pueden encender uno o los dos */
.mat { display: inline-flex; gap: 10px; }
.mat__btn { position: relative; isolation: isolate; overflow: hidden; display: inline-flex; align-items: center; gap: 9px; padding: 11px 26px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255, 255, 255, .04); color: var(--muted); font: inherit; font-size: 14px; letter-spacing: .8px; transition: color .45s var(--ease), border-color .45s, transform .5s var(--ease), box-shadow .5s; }
.mat__btn::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.mat__btn--plata::before { background: linear-gradient(135deg, #f5f6f8 0%, #c5c9d0 55%, #9a9fa8 100%); }
.mat__btn.is-active::before { transform: scaleX(1); }
.mat__btn.is-active { color: #1c1507; border-color: transparent; font-weight: 500; box-shadow: 0 8px 26px rgba(201, 162, 77, .3); }
.mat__btn--plata.is-active { box-shadow: 0 8px 26px rgba(190, 196, 206, .28); }
.mat__btn:hover { transform: translateY(-2px); color: var(--text); }
.mat__btn.is-active:hover { color: #1c1507; }
.mat__btn svg { width: 20px; height: 20px; transition: transform .6s var(--ease); }
.mat__btn--oro svg { color: var(--gold-2); }
.mat__btn--plata svg { color: #cfd3da; }
.mat__btn.is-active svg { color: #1c1507; transform: scale(1.12); }
.mat__btn small { font-size: 11px; padding: 1px 8px; border-radius: 999px; background: rgba(0, 0, 0, .2); color: inherit; opacity: .8; }
.mat__btn.nope { animation: nope .45s var(--ease); }

/* Categorías y orden */
.chip { transition: transform .45s var(--ease), background .4s, color .4s, border-color .4s, box-shadow .4s; }
.chip:hover { transform: translateY(-2px); }
.chip.is-active { box-shadow: 0 6px 20px rgba(201, 162, 77, .28); }
.shop-count { min-width: 74px; text-align: right; }
.shop-count.tick { animation: tickIn .5s var(--ease); }
@media (max-width: 700px) {
  .chips { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 -4px; padding: 2px 4px; }
  .chips::-webkit-scrollbar { display: none; }
  .chip { flex: none; }
  .mat__btn { padding: 10px 20px; }
}

/* ---------- Tarjetas ---------- */
.shop-body { padding-top: 30px; }
body[data-page="shop"] .grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 30px 24px; }
body[data-page="shop"] .card { position: relative; padding: 10px 10px 16px; border: 1px solid transparent; border-radius: 18px; background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .008)); transition: border-color .5s, box-shadow .6s var(--ease), translate .6s var(--ease), background .5s; }
body[data-page="shop"] .card:hover { border-color: rgba(232, 205, 130, .34); box-shadow: 0 26px 54px rgba(0, 0, 0, .38), 0 0 40px rgba(201, 162, 77, .07); translate: 0 -5px; background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .015)); }
/* Entrada escalonada (la reutiliza el revelado de animations.js): cada tarjeta espera según su posición */
body[data-page="shop"] #productGrid .card[data-r] { transition-duration: .85s; transition-delay: calc(var(--i, 0) * 70ms); }
body[data-page="shop"] .card__img { border-radius: 12px; aspect-ratio: 1 / .95; transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .5s var(--ease), box-shadow .8s var(--ease); }
body[data-page="shop"] .card:hover .card__img { transform: perspective(900px) translateY(-4px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); box-shadow: 0 22px 40px rgba(0, 0, 0, .45); }
body[data-page="shop"] .card h3 { font-family: var(--serif); font-size: 22px; font-weight: 500; line-height: 1.2; margin: 16px 6px 3px; }
body[data-page="shop"] .card h3 a { transition: color .4s; }
body[data-page="shop"] .card__meta, body[data-page="shop"] .card__desc { margin-left: 6px; margin-right: 6px; }
body[data-page="shop"] .card__price { margin: 6px 6px 14px; font-family: var(--serif); font-size: 20px; color: var(--gold-1); letter-spacing: .3px; }
body[data-page="shop"] .card .btn { margin: auto 6px 0; border-radius: 10px; padding: 11px; }

/* Etiqueta de material y botón "Ver detalle" sobre la foto */
.card__mat { position: absolute; left: 10px; top: 10px; z-index: 2; font-size: 10px; letter-spacing: 1.6px; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: rgba(7, 35, 27, .78); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); border: 1px solid rgba(255, 255, 255, .14); }
.card__mat--oro { color: var(--gold-1); border-color: rgba(232, 205, 130, .45); }
.card__mat--plata { color: #e8eaee; border-color: rgba(220, 224, 230, .45); }
.card__quick { position: absolute; left: 50%; bottom: 14px; z-index: 3; translate: -50% 16px; opacity: 0; padding: 8px 18px; border-radius: 999px; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: #1c1507; background: var(--gold); box-shadow: 0 8px 22px rgba(0, 0, 0, .4); transition: translate .6s var(--ease), opacity .5s; pointer-events: none; white-space: nowrap; }
@media (hover: hover) { .card:hover .card__quick { translate: -50% 0; opacity: 1; } }
body[data-page="shop"] .card__img .dots { bottom: 14px; }

/* Ícono de relleno (piezas sin foto): plateado para la plata */
.card--plata .card__img svg { filter: grayscale(1) brightness(1.3) drop-shadow(0 6px 8px rgba(0, 0, 0, .5)); }

/* ---------- Cargando (esqueletos) y vacío ---------- */
.skel { display: grid; gap: 12px; padding: 10px; border-radius: 18px; border: 1px solid rgba(255, 255, 255, .05); }
.skel__img, .skel i { display: block; border-radius: 12px; background: linear-gradient(100deg, rgba(255, 255, 255, .04) 30%, rgba(232, 205, 130, .13) 50%, rgba(255, 255, 255, .04) 70%); background-size: 200% 100%; animation: shimmer 1.6s linear infinite; }
.skel__img { aspect-ratio: 1 / .95; }
.skel i { height: 16px; width: 70%; } .skel i + i { width: 40%; }
.shop-body .empty { padding: 70px 16px; font-family: var(--serif); font-size: 26px; color: var(--gold-1); }
.shop-body .empty::before { content: "✦"; display: block; margin-bottom: 12px; font-size: 30px; color: var(--gold-2); animation: logoFloat 4s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .shop-head::before, .shop-head__eyebrow, .shop-head__sub, .skel__img, .skel i, .shop-body .empty::before, .mat__btn.nope, .shop-count.tick { animation: none !important; }
  .mat__btn, .mat__btn::before, .chip, body[data-page="shop"] .card, .card__quick { transition: none; }
  body[data-page="shop"] .card:hover { translate: none; }
}