/* ═══ producto.css — Sprint 5 Premium Rewrite ═══ */

body { background: var(--vs-bg-primary); font-family: 'Plus Jakarta Sans', sans-serif; }

/* ─ Skeleton ─ */
.skeleton { background: linear-gradient(90deg,#e8e8e8 25%,#f5f5f5 50%,#e8e8e8 75%); background-size:200% 100%; animation:shimmer 1.5s infinite; border-radius:8px; }
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }
.skeleton-img { width:100%; aspect-ratio:1; }
.skeleton-line { height:16px; margin-bottom:10px; }
.skeleton-line.lg { height:28px; }
.skeleton-line.sm { height:12px; width:60%; }

/* ─ Lightbox ─ */
#lightbox { display:none; position:fixed; inset:0; z-index:9999; background:rgba(0,0,0,.93); cursor:zoom-out; align-items:center; justify-content:center; }
#lightbox.open { display:flex; animation:fadeIn .2s ease; }
#lightbox img { max-width:90vw; max-height:90vh; object-fit:contain; border-radius:var(--radius-2xl); box-shadow:0 40px 80px rgba(0,0,0,.5); }
#lightboxClose { position:absolute; top:20px; right:24px; background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.2); color:#fff; width:44px; height:44px; border-radius:50%; font-size:1.3rem; cursor:pointer; display:flex; align-items:center; justify-content:center; transition:background .2s; }
#lightboxClose:hover { background:rgba(255,255,255,.2); }

/* ─ Page wrapper ─ */
.product-page { max-width:1200px; margin:0 auto; padding:1rem 1.5rem 5rem; }

/* ─ Breadcrumb ─ */
.breadcrumb { display:flex; gap:8px; font-size:.82rem; color:var(--vs-text-muted); margin-bottom:1.5rem; flex-wrap:wrap; align-items:center; }
.breadcrumb a { color:var(--vs-text-secondary); text-decoration:none; transition:color .2s; }
.breadcrumb a:hover { color:var(--vs-green); }
.breadcrumb .sep { opacity:.4; }

/* ─ Layout ─ */
.product-layout { display:grid; grid-template-columns:1fr 1fr; gap:3.5rem; align-items:start; }
@media(max-width:768px){ .product-layout { grid-template-columns:1fr; gap:1.5rem; } }

/* ═══ GALLERY ═══ */
.product-gallery { position:sticky; top:5rem; }
.gallery-main {
  width:100%; aspect-ratio:1; border-radius:var(--radius-2xl);
  background:linear-gradient(145deg,#fff,#f7f9f7);
  border:1px solid rgba(58,149,70,.12);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden; position:relative; cursor:zoom-in;
  box-shadow:0 8px 40px rgba(58,149,70,.08), 0 2px 8px rgba(44,44,44,.06);
  transition:box-shadow .3s;
}
.gallery-main:hover { box-shadow:0 16px 60px rgba(58,149,70,.14), 0 4px 12px rgba(44,44,44,.08); }
.gallery-main img { max-width:88%; max-height:88%; object-fit:contain; transition:transform .45s var(--ease-out); }
.gallery-main:hover img { transform:scale(1.06); }
.gallery-main .badge-discount {
  position:absolute; top:16px; left:16px;
  background:linear-gradient(135deg,#ef4444,#dc2626); color:#fff;
  padding:5px 12px; border-radius:var(--radius-full);
  font-size:.75rem; font-weight:700; letter-spacing:.3px;
  box-shadow:0 4px 12px rgba(239,68,68,.3);
}
.gallery-thumbs { display:flex; gap:10px; margin-top:14px; overflow-x:auto; scrollbar-width:none; padding:4px 0; }
.gallery-thumbs::-webkit-scrollbar { display:none; }
.gallery-thumb {
  flex:0 0 72px; height:72px; border-radius:var(--radius-lg);
  border:2px solid transparent; background:#fff; cursor:pointer;
  overflow:hidden; transition:all .2s; display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-sm);
}
.gallery-thumb.active { border-color:var(--vs-green); box-shadow:0 0 0 4px rgba(58,149,70,.12); }
.gallery-thumb:hover { border-color:var(--vs-sage); transform:translateY(-2px); }
.gallery-thumb img { max-width:82%; max-height:82%; object-fit:contain; }

/* ═══ PRODUCT INFO ═══ */
.product-info { display:flex; flex-direction:column; gap:0; }

.pi-category {
  display:inline-flex; align-items:center; gap:6px;
  background:linear-gradient(135deg,rgba(58,149,70,.1),rgba(58,149,70,.06));
  color:var(--vs-green); border:1px solid rgba(58,149,70,.2);
  padding:5px 14px; border-radius:var(--radius-full);
  font-size:.78rem; font-weight:700; width:fit-content; margin-bottom:12px;
  letter-spacing:.3px; text-transform:uppercase;
}
.pi-name { font-size:1.9rem; font-weight:800; color:var(--vs-text-primary); line-height:1.15; margin-bottom:6px; }
.pi-brand { color:var(--vs-green); font-weight:600; font-size:.88rem; margin-bottom:14px; }
.pi-brand a { color:inherit; text-decoration:underline; text-underline-offset:3px; }

/* Rating */
.pi-rating { display:flex; align-items:center; gap:8px; margin-bottom:14px; }
.pi-stars { color:#f59e0b; font-size:1.05rem; letter-spacing:3px; }
.pi-rating-text { font-size:.82rem; color:var(--vs-text-muted); }

/* Social proof */
.social-proof-bar {
  background:linear-gradient(135deg,rgba(58,149,70,.07),rgba(58,149,70,.03));
  border:1px solid rgba(58,149,70,.18); border-radius:var(--radius-lg);
  padding:10px 16px; margin-bottom:14px;
  display:flex; align-items:center; gap:8px; overflow:hidden;
}
.sp-dot { width:8px; height:8px; border-radius:50%; background:#22c55e; animation:pulse-dot 2s infinite; flex-shrink:0; }
@keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.75)} }
.sp-text { font-size:.78rem; color:var(--vs-text-secondary); font-weight:500; }
.sp-text strong { color:var(--vs-green); }

/* Stock */
.stock-badge { display:inline-flex; align-items:center; gap:6px; padding:6px 14px; border-radius:var(--radius-md); font-size:.82rem; font-weight:600; margin-bottom:18px; }
.stock-badge.in-stock { background:rgba(58,149,70,.08); color:var(--vs-green); border:1px solid rgba(58,149,70,.15); }
.stock-badge.low-stock { background:rgba(245,158,11,.08); color:#d97706; border:1px solid rgba(245,158,11,.2); }
.stock-badge.out-of-stock { background:rgba(239,68,68,.08); color:#dc2626; border:1px solid rgba(239,68,68,.2); }

/* Price */
.pi-price-box {
  display:flex; align-items:center; gap:14px; margin-bottom:6px;
  padding:16px 18px; background:linear-gradient(135deg,rgba(58,149,70,.06),rgba(58,149,70,.02));
  border-radius:var(--radius-xl); border:1px solid rgba(58,149,70,.1);
}
.pi-price { font-size:2.4rem; font-weight:800; color:var(--vs-green); line-height:1; }
.pi-price-original { font-size:1rem; color:var(--vs-text-muted); text-decoration:line-through; }
.pi-installments { font-size:.82rem; color:var(--vs-text-secondary); margin-bottom:18px; padding:0 4px; }
.pi-installments strong { color:var(--vs-text-primary); font-weight:700; }

/* Qty + Buttons */
.pi-actions { display:flex; flex-direction:column; gap:12px; margin-bottom:20px; }
.qty-row { display:flex; align-items:center; gap:16px; }
.qty-label { font-size:.85rem; font-weight:600; color:var(--vs-text-secondary); }
.qty-selector { display:flex; align-items:center; border:1.5px solid var(--vs-border); border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-sm); }
.qty-btn { background:var(--vs-bg-secondary); border:none; color:var(--vs-text-primary); width:42px; height:42px; font-size:1.3rem; cursor:pointer; font-weight:700; transition:background .15s; }
.qty-btn:hover { background:var(--vs-sage-light); }
.qty-value { width:50px; height:42px; display:flex; align-items:center; justify-content:center; font-weight:700; color:var(--vs-text-primary); background:#fff; font-size:1.05rem; }

/* CTA botones */
.btn-primary {
  width:100%; padding:16px 24px;
  background:linear-gradient(135deg,var(--vs-green-light),var(--vs-green),var(--vs-green-dark));
  background-size:200% 200%; background-position:0% 50%;
  color:#fff; border:none; border-radius:var(--radius-xl);
  font-size:1.08rem; font-weight:700; cursor:pointer; font-family:inherit;
  transition:all .3s var(--ease-out);
  display:flex; align-items:center; justify-content:center; gap:10px;
  box-shadow:0 6px 20px rgba(58,149,70,.3), 0 2px 6px rgba(58,149,70,.2);
  position:relative; overflow:hidden;
}
.btn-primary::before {
  content:''; position:absolute; top:0; left:-100%; width:60%; height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
  transition:left .5s;
}
.btn-primary:hover { background-position:100% 50%; transform:translateY(-2px); box-shadow:0 10px 30px rgba(58,149,70,.4); }
.btn-primary:hover::before { left:140%; }
.btn-primary:active { transform:translateY(0); box-shadow:0 4px 12px rgba(58,149,70,.3); }
.btn-primary:disabled { opacity:.4; cursor:not-allowed; transform:none; box-shadow:none; }

.btn-secondary {
  width:100%; padding:14px; background:#fff; border:2px solid var(--vs-green);
  color:var(--vs-green); border-radius:var(--radius-xl); font-size:.98rem; font-weight:700;
  cursor:pointer; font-family:inherit; transition:all .25s;
  box-shadow:var(--shadow-sm);
}
.btn-secondary:hover { background:var(--vs-green); color:#fff; box-shadow:0 6px 20px rgba(58,149,70,.25); transform:translateY(-1px); }

/* Trust Badges */
.trust-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:18px 0; }
.trust-item {
  display:flex; flex-direction:column; align-items:center; text-align:center;
  padding:14px 8px; background:#fff; border:1px solid var(--vs-border-light);
  border-radius:var(--radius-lg); transition:all .2s; cursor:default;
}
.trust-item:hover { border-color:rgba(58,149,70,.3); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.ti-icon { font-size:1.5rem; margin-bottom:5px; }
.ti-text { font-size:.7rem; color:var(--vs-text-secondary); font-weight:600; line-height:1.3; }

/* Share */
.share-bar { display:flex; gap:8px; align-items:center; margin-top:4px; }
.share-bar span { font-size:.82rem; color:var(--vs-text-muted); font-weight:500; }
.share-btn {
  background:#fff; border:1px solid var(--vs-border-light);
  width:36px; height:36px; border-radius:var(--radius-md);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; font-size:1rem; text-decoration:none; transition:all .2s;
}
.share-btn:hover { border-color:var(--vs-green); background:var(--vs-bg-green-subtle); transform:scale(1.1); }

/* ═══ TABS ═══ */
.product-tabs { margin-top:3.5rem; }
.tabs-nav {
  display:flex; gap:0; border-bottom:2px solid var(--vs-border-light);
  overflow-x:auto; scrollbar-width:none;
}
.tabs-nav::-webkit-scrollbar { display:none; }
.tab-btn {
  flex:0 0 auto; padding:13px 22px; background:none; border:none;
  font-family:inherit; font-size:.9rem; font-weight:600;
  color:var(--vs-text-muted); cursor:pointer; position:relative;
  transition:color .2s; white-space:nowrap; overflow:hidden;
}
.tab-btn::after {
  content:''; position:absolute; bottom:-2px; left:0; width:100%; height:3px;
  background:linear-gradient(90deg,var(--vs-green-light),var(--vs-green));
  border-radius:2px 2px 0 0; transform:scaleX(0); transition:transform .3s var(--ease-out);
}
.tab-btn:hover { color:var(--vs-text-primary); }
.tab-btn.active { color:var(--vs-green); }
.tab-btn.active::after { transform:scaleX(1); }

.tab-panel { display:none; padding:1.75rem 0; animation:fadeInTab .3s ease; }
.tab-panel.active { display:block; }
@keyframes fadeInTab { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.tab-panel p { color:var(--vs-text-secondary); line-height:1.8; font-size:.92rem; margin-bottom:1rem; }
.tab-panel h3 { font-size:1rem; font-weight:700; margin-bottom:.5rem; color:var(--vs-text-primary); }
.tab-panel ul { list-style:none; padding:0; margin-bottom:1rem; }
.tab-panel li { color:var(--vs-text-secondary); line-height:1.7; font-size:.9rem; margin-bottom:.5rem; padding-left:1.4rem; position:relative; }
.tab-panel li::before { content:'✓'; position:absolute; left:0; color:var(--vs-green); font-weight:700; }

/* ═══ BENEFITS ═══ */
.benefits-section { margin-top:3.5rem; padding:2.5rem; background:linear-gradient(135deg,rgba(58,149,70,.04),rgba(186,197,167,.08)); border-radius:var(--radius-2xl); border:1px solid rgba(58,149,70,.08); }
.benefits-section h2 { font-size:1.4rem; font-weight:800; margin-bottom:1.75rem; text-align:center; color:var(--vs-text-primary); }
.benefits-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:16px; }
.benefit-card {
  background:#fff; border:1px solid var(--vs-border-light);
  border-radius:var(--radius-xl); padding:22px 18px; text-align:center;
  transition:all .3s var(--ease-out); box-shadow:var(--shadow-sm);
}
.benefit-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-lg); border-color:rgba(58,149,70,.2); }
.benefit-card:nth-child(1) { animation:fadeUp .4s ease both; }
.benefit-card:nth-child(2) { animation:fadeUp .4s .08s ease both; }
.benefit-card:nth-child(3) { animation:fadeUp .4s .16s ease both; }
.benefit-card:nth-child(4) { animation:fadeUp .4s .24s ease both; }
@keyframes fadeUp { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }
.benefit-icon {
  width:52px; height:52px; border-radius:50%; margin:0 auto 12px;
  background:linear-gradient(135deg,rgba(58,149,70,.12),rgba(58,149,70,.06));
  display:flex; align-items:center; justify-content:center; font-size:1.6rem;
}
.benefit-card h4 { font-size:.92rem; font-weight:700; margin-bottom:6px; color:var(--vs-text-primary); }
.benefit-card p { font-size:.8rem; color:var(--vs-text-secondary); line-height:1.55; margin:0; }

/* ═══ REVIEWS ═══ */
.reviews-section { margin-top:3rem; }
.reviews-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:1.5rem; }
.reviews-header h2 { font-size:1.4rem; font-weight:800; color:var(--vs-text-primary); }
.reviews-summary {
  display:flex; align-items:center; gap:2rem;
  background:linear-gradient(135deg,rgba(58,149,70,.05),rgba(186,197,167,.06));
  border:1px solid rgba(58,149,70,.1); border-radius:var(--radius-xl);
  padding:1.5rem 2rem; margin-bottom:1.5rem;
}
.rs-score { font-size:3.2rem; font-weight:800; color:var(--vs-green); line-height:1; }
.rs-stars { color:#f59e0b; font-size:1.4rem; letter-spacing:3px; margin-bottom:4px; }
.rs-count { font-size:.82rem; color:var(--vs-text-muted); }
.review-card {
  background:#fff; border-radius:var(--radius-xl); padding:1.4rem 1.6rem;
  margin-bottom:1rem; border:1px solid var(--vs-border-light);
  transition:all .2s; box-shadow:var(--shadow-sm);
}
.review-card:hover { border-color:rgba(58,149,70,.2); box-shadow:var(--shadow-md); }
.review-card-top { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:.6rem; }
.reviewer-name { font-weight:700; font-size:.92rem; color:var(--vs-text-primary); }
.reviewer-date { font-size:.75rem; color:var(--vs-text-muted); }
.review-stars { color:#f59e0b; font-size:.95rem; margin-top:2px; }
.review-text { font-size:.88rem; color:var(--vs-text-secondary); line-height:1.65; font-style:italic; }
.verified-badge { display:inline-flex; align-items:center; gap:4px; font-size:.72rem; color:var(--vs-green); font-weight:700; margin-top:.5rem; }

/* ═══ FAQ ═══ */
.faq-section { margin-top:3rem; padding-top:2.5rem; border-top:1px solid var(--vs-border-light); }
.faq-section h2 { font-size:1.4rem; font-weight:800; margin-bottom:1.5rem; color:var(--vs-text-primary); }
.faq-item { border:1px solid var(--vs-border-light); border-radius:var(--radius-lg); margin-bottom:10px; overflow:hidden; transition:border-color .2s, box-shadow .2s; }
.faq-item:hover { border-color:rgba(58,149,70,.3); }
.faq-item.open { border-color:var(--vs-green); box-shadow:0 4px 16px rgba(58,149,70,.08); }
.faq-question {
  width:100%; padding:16px 20px; background:#fff; border:none;
  display:flex; align-items:center; justify-content:space-between;
  font-family:inherit; font-size:.92rem; font-weight:600;
  color:var(--vs-text-primary); cursor:pointer; text-align:left; gap:1rem;
  transition:background .2s;
}
.faq-question:hover { background:var(--vs-bg-hover); }
.faq-item.open .faq-question { background:rgba(58,149,70,.04); }
.faq-chevron { font-size:.75rem; transition:transform .3s var(--ease-out); color:var(--vs-green); flex-shrink:0; }
.faq-item.open .faq-chevron { transform:rotate(180deg); }
.faq-answer { max-height:0; overflow:hidden; transition:max-height .38s var(--ease-out); }
.faq-item.open .faq-answer { max-height:300px; }
.faq-answer-inner { padding:.85rem 20px 1.1rem; font-size:.87rem; color:var(--vs-text-secondary); line-height:1.75; background:#fafaf8; border-top:1px solid var(--vs-border-light); }

/* ═══ GUARANTEE SECTION ═══ */
.guarantee-section { margin-top:3rem; padding:2rem; background:linear-gradient(135deg,rgba(58,149,70,.05),rgba(74,122,140,.04)); border-radius:var(--radius-2xl); border:1px solid rgba(58,149,70,.1); display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:16px; }
.guarantee-card { display:flex; align-items:flex-start; gap:16px; background:#fff; border-radius:var(--radius-xl); padding:18px 20px; border:1px solid var(--vs-border-light); transition:all .25s; }
.guarantee-card:hover { border-color:rgba(58,149,70,.25); transform:translateY(-3px); box-shadow:var(--shadow-md); }
.gc-icon { font-size:2rem; flex-shrink:0; line-height:1; margin-top:2px; }
.gc-body h3 { font-size:.92rem; font-weight:700; color:var(--vs-text-primary); margin-bottom:4px; }
.gc-body p { font-size:.8rem; color:var(--vs-text-secondary); line-height:1.55; margin:0; }

/* ═══ RELATED ═══ */
.related-section { margin-top:3rem; padding-top:2.5rem; border-top:1px solid var(--vs-border-light); }
.related-section h2 { font-size:1.4rem; font-weight:800; margin-bottom:1.5rem; color:var(--vs-text-primary); }
.related-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(170px,1fr)); gap:16px; }
.related-card {
  display:block; background:#fff; border:1px solid var(--vs-border-light);
  border-radius:var(--radius-xl); overflow:hidden; text-decoration:none;
  transition:all .3s var(--ease-out); box-shadow:var(--shadow-sm); position:relative;
}
.related-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-lg); border-color:rgba(58,149,70,.25); }
.related-card img { width:100%; aspect-ratio:1; object-fit:contain; padding:14px; background:linear-gradient(145deg,#fff,#f8faf8); }
.related-card-info { padding:10px 14px 14px; }
.related-card-info h4 { font-size:.8rem; color:var(--vs-text-primary); margin-bottom:5px; font-weight:600; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; line-height:1.35; }
.related-card-info .price { color:var(--vs-green); font-weight:800; font-size:.9rem; }

/* ─ Sticky bar ─ */
.sticky-buy-bar {
  position:fixed; bottom:0; left:0; right:0; z-index:var(--z-sticky);
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:12px 16px; background:rgba(249,247,242,.92);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--vs-border); box-shadow:0 -8px 24px rgba(44,44,44,.1);
}
.sticky-buy-bar__info { flex:1; min-width:0; }
.sticky-buy-bar__name { font-size:.82rem; font-weight:600; color:var(--vs-text-primary); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.sticky-buy-bar__price { font-size:1.05rem; font-weight:800; color:var(--vs-green); }
.sticky-buy-bar__btn {
  background:linear-gradient(135deg,var(--vs-green-light),var(--vs-green)); color:#fff;
  border:none; border-radius:var(--radius-lg); padding:11px 20px;
  font-size:.9rem; font-weight:700; cursor:pointer; font-family:inherit;
  white-space:nowrap; box-shadow:0 4px 14px rgba(58,149,70,.3); transition:all .25s;
}
.sticky-buy-bar__btn:hover { transform:scale(1.04); box-shadow:0 6px 20px rgba(58,149,70,.4); }
@media(min-width:769px){ #stickyBuyBar { display:none !important; } }

#productJsonLd, #productBreadcrumbLd { display:none; }

/* ─ Responsive ─ */
@media(max-width:640px){
  .pi-name { font-size:1.5rem; }
  .pi-price { font-size:2rem; }
  .trust-grid { grid-template-columns:repeat(3,1fr); gap:6px; }
  .trust-item { padding:10px 4px; }
  .tab-btn { padding:11px 14px; font-size:.82rem; }
  .benefits-grid { grid-template-columns:repeat(2,1fr); }
  .product-gallery { position:static; }
  .benefits-section { padding:1.5rem 1rem; }
  .guarantee-section { grid-template-columns:1fr; }
  .reviews-summary { flex-direction:column; gap:1rem; text-align:center; }
  .pi-price-box { padding:12px 14px; }
}