/* ============================================================
   PRODUCT.CSS — Product detail page
   INOXKAREN
   ============================================================ */

.product-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
  padding: 56px 0 88px; align-items: start;
}

/* ── GALLERY ─────────────────────────────────────────────────── */
.product-gallery {}
.pg-main {
  aspect-ratio: 1; border-radius: var(--rll); overflow: hidden;
  background: var(--dark-2); border: 1px solid var(--border);
  position: relative; margin-bottom: 14px;
}
.pg-main img { width: 100%; height: 100%; object-fit: cover; }
.pg-main .pg-zoom-btn {
  position: absolute; top: 14px; right: 14px;
  width: 36px; height: 36px;
  background: rgba(6,10,18,.8); backdrop-filter: blur(8px);
  border: 1px solid var(--border); border-radius: var(--r);
  color: var(--text-mid); display: flex; align-items: center; justify-content: center;
  font-size: 14px; cursor: pointer; transition: all var(--t);
}
.pg-main .pg-zoom-btn:hover { background: rgba(30,95,168,.15); color: var(--gold); border-color: var(--border-gold); }
.pg-fallback {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px; color: var(--text-dim);
}
.pg-fallback i { font-size: 72px; color: var(--dark-5); }
.pg-thumbs { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px; }
.pg-thumbs::-webkit-scrollbar { height: 3px; }
.pg-thumbs::-webkit-scrollbar-thumb { background: var(--dark-5); border-radius: var(--rmax); }
.pg-thumb {
  width: 72px; height: 72px; border-radius: var(--r); overflow: hidden;
  background: var(--dark-3); border: 2px solid transparent;
  flex-shrink: 0; cursor: pointer; transition: border-color var(--t);
}
.pg-thumb.active { border-color: var(--gold); }
.pg-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pg-badge-strip {
  display: flex; gap: 6px; position: absolute; top: 14px; left: 14px;
}

/* ── PRODUCT INFO ────────────────────────────────────────────── */
.product-info { position: sticky; top: 92px; }
.pi-sku {
  font-size: 11px; color: var(--text-dim); font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px;
}
.pi-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 40px; font-weight: 700; color: var(--text);
  line-height: 1.05; margin-bottom: 14px;
}
.pi-cat {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--glass); border: 1px solid var(--border);
  padding: 5px 14px; border-radius: var(--rmax);
  font-size: 12px; color: var(--text-mid); margin-bottom: 20px;
}
.pi-cat i { color: var(--gold); }
.pi-desc { font-size: 15px; color: var(--text-mid); line-height: 1.8; margin-bottom: 20px; }
.pi-desc p { margin-bottom: 10px; }
.pi-desc p:last-child { margin-bottom: 0; }
.pi-desc ul { list-style: none; padding-left: 0; margin-bottom: 12px; }
.pi-desc li { margin-bottom: 7px; padding-left: 22px; position: relative; }
.pi-desc li::before {
  content: '';
  position: absolute; left: 0; top: 10px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold);
}

/* Tab description (misma estructura) */
.tab-desc-body ul { list-style: none; padding-left: 0; margin: 8px 0 12px; }
.tab-desc-body li { margin-bottom: 7px; padding-left: 22px; position: relative; font-size: 14px; color: var(--text-mid); line-height: 1.65; }
.tab-desc-body li::before {
  content: '';
  position: absolute; left: 0; top: 9px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold);
}

.pi-price-consult {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: rgba(30,95,168,.06); border: 1px solid var(--border-gold);
  border-radius: var(--rl); padding: 16px 20px; margin-bottom: 20px;
}
.pi-price-consult i { font-size: 20px; color: var(--gold); }
.pi-price-consult > span:not(.ppc-note) {
  font-family: 'Rajdhani', sans-serif; font-size: 22px; font-weight: 700;
  background: var(--grad-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.ppc-note { font-size: 12px; color: var(--text-dim); margin-left: auto; font-style: italic; -webkit-text-fill-color: var(--text-dim); }

.pi-price-block {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  background: rgba(30,95,168,.06); border: 1px solid var(--border-gold);
  border-radius: var(--rl); padding: 16px 20px; margin-bottom: 20px;
}
.pi-price-old { font-size: 14px; color: var(--text-dim); text-decoration: line-through; }
.pi-price-cur {
  font-family: 'Rajdhani', sans-serif; font-size: 30px; font-weight: 700;
  background: var(--grad-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.pi-price-unit { font-size: 12px; color: var(--text-dim); -webkit-text-fill-color: var(--text-dim); }

.pi-guarantees {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 24px;
}
.pi-guarantee-item {
  display: flex; align-items: center; gap: 8px;
  background: var(--glass); border: 1px solid var(--border);
  border-radius: var(--r); padding: 10px 12px;
  font-size: 12px; color: var(--text-mid);
  transition: border-color var(--t);
}
.pi-guarantee-item:hover { border-color: var(--border-gold); }
.pi-guarantee-item i { color: var(--gold); font-size: 14px; flex-shrink: 0; }

.pi-specs {
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--rl); overflow: hidden; margin-bottom: 28px;
}
.pi-specs-header {
  padding: 12px 18px; background: var(--dark-3);
  border-bottom: 1px solid var(--border);
  font-size: 12px; font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: .8px;
  display: flex; align-items: center; gap: 8px;
}
.pi-specs-header i { color: var(--gold); }
.pi-spec-row {
  display: flex; align-items: center;
  padding: 10px 18px; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.pi-spec-row:last-child { border-bottom: none; }
.pi-spec-key { width: 120px; color: var(--text-dim); flex-shrink: 0; }
.pi-spec-val { color: var(--text); font-weight: 500; }

/* Quantity & add to quote */
.pi-order {
  background: var(--dark-2); border: 1px solid var(--border-gold);
  border-radius: var(--rl); padding: 24px;
  position: relative; overflow: hidden;
}
.pi-order::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: var(--grad-gold);
}
.pi-qty-row {
  display: flex; align-items: center; gap: 14px; margin-bottom: 16px;
}
.pi-qty-row label { font-size: 13px; color: var(--text-mid); font-weight: 600; white-space: nowrap; }
.qty-control {
  display: flex; align-items: center; gap: 0;
  background: var(--dark-3); border: 1px solid var(--border); border-radius: var(--r);
  overflow: hidden;
}
.qty-control button {
  width: 38px; height: 38px; background: none; border: none;
  color: var(--text-mid); font-size: 14px; cursor: pointer;
  transition: all var(--t); display: flex; align-items: center; justify-content: center;
}
.qty-control button:hover { background: var(--dark-4); color: var(--gold); }
.qty-control input {
  width: 52px; background: none; border: none; outline: none;
  color: var(--text); font-size: 15px; font-weight: 600;
  text-align: center; padding: 8px 0;
}
.qty-unit { font-size: 12px; color: var(--text-dim); }
.pi-actions { display: flex; flex-direction: column; gap: 10px; }
.pi-actions .btn { width: 100%; justify-content: center; }

/* Related products carousel */
.related-section { padding: 72px 0; border-top: 1px solid var(--border); }
.related-carousel-wrap { position: relative; }
.related-carousel {
  display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory;
  scrollbar-width: none; padding-bottom: 8px;
  scroll-behavior: smooth;
}
.related-carousel::-webkit-scrollbar { display: none; }
.related-carousel .prod-card {
  flex: 0 0 calc(33.333% - 16px); min-width: 260px;
  scroll-snap-align: start;
}
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--dark-3); border: 1px solid var(--border-gold);
  color: var(--gold); font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--t); z-index: 10;
  box-shadow: var(--shadow-md);
}
.carousel-btn:hover { background: var(--gold); color: var(--dark); box-shadow: var(--glow-gold); }
.carousel-btn.prev { left: -22px; }
.carousel-btn.next { right: -22px; }
.carousel-btn:disabled { opacity: .3; cursor: default; }
@media (max-width: 860px) {
  .related-carousel .prod-card { flex: 0 0 calc(50% - 12px); }
  .carousel-btn { display: none; }
}
@media (max-width: 560px) {
  .related-carousel .prod-card { flex: 0 0 80vw; }
}

/* ── PRODUCT TABS ────────────────────────────────────────────── */
.prod-tabs { margin-bottom: 56px; }
.prod-tabs-nav {
  display: flex; gap: 0; border-bottom: 1px solid var(--border);
  margin-bottom: 32px; overflow-x: auto;
}
.prod-tabs-nav::-webkit-scrollbar { display: none; }
.prod-tab-btn {
  background: none; border: none; outline: none;
  padding: 14px 28px; font-size: 14px; font-weight: 600;
  color: var(--text-dim); cursor: pointer; white-space: nowrap;
  position: relative; transition: color var(--t);
}
.prod-tab-btn::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px;
  background: var(--grad-gold); transform: scaleX(0); transition: transform .25s ease;
}
.prod-tab-btn:hover { color: var(--text); }
.prod-tab-btn.active { color: var(--gold); }
.prod-tab-btn.active::after { transform: scaleX(1); }

.prod-tab-panel { display: none; animation: fadeSlideUp .3s ease both; }
.prod-tab-panel.active { display: block; }

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tab-desc-body {
  font-size: 15px; color: var(--text-mid); line-height: 1.9; max-width: 760px;
}
.tab-desc-body p { margin-bottom: 18px; }
.tab-desc-body p:last-child { margin-bottom: 0; }
.tab-desc-body h4 {
  font-family: 'Rajdhani', sans-serif; font-size: 20px; font-weight: 700;
  color: var(--text); margin-bottom: 10px; margin-top: 28px;
}
.tab-desc-body h4:first-child { margin-top: 0; }
.tab-desc-body ul { padding-left: 22px; margin-bottom: 18px; }
.tab-desc-body li { margin-bottom: 8px; }

.tab-specs-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px;
}
.tab-spec-card {
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--rl); padding: 18px 20px;
  display: flex; flex-direction: column; gap: 6px;
  transition: border-color var(--t);
}
.tab-spec-card:hover { border-color: var(--border-gold); }
.tab-spec-card .spec-key {
  font-size: 11px; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: .8px;
}
.tab-spec-card .spec-val {
  font-size: 15px; font-weight: 600; color: var(--text);
}
.tab-spec-card .spec-icon { font-size: 20px; color: var(--gold); margin-bottom: 4px; }

.tab-shipping-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px;
}
.tab-shipping-card {
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--rll); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color var(--t), transform var(--t);
}
.tab-shipping-card:hover { border-color: var(--border-gold); transform: translateY(-3px); }
.tab-shipping-card .sc-icon {
  width: 44px; height: 44px; border-radius: var(--r);
  background: rgba(30,95,168,.1); border: 1px solid var(--border-gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--gold); margin-bottom: 4px;
}
.tab-shipping-card h4 {
  font-family: 'Rajdhani', sans-serif; font-size: 17px; font-weight: 700; color: var(--text);
}
.tab-shipping-card p { font-size: 13px; color: var(--text-dim); line-height: 1.7; }
.tab-shipping-note {
  margin-top: 24px; padding: 16px 20px;
  background: rgba(30,95,168,.06); border: 1px solid rgba(30,95,168,.2);
  border-radius: var(--r); font-size: 13px; color: var(--text-mid);
  display: flex; align-items: flex-start; gap: 10px; line-height: 1.7;
}
.tab-shipping-note i { color: var(--gold); font-size: 16px; flex-shrink: 0; margin-top: 2px; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 860px) {
  .product-layout { grid-template-columns: 1fr; gap: 36px; }
  .product-info { position: static; }
  .prod-tab-btn { padding: 12px 18px; font-size: 13px; }
  .tab-specs-grid { grid-template-columns: 1fr 1fr; }
  .tab-shipping-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .tab-specs-grid { grid-template-columns: 1fr; }
  .pi-guarantees { grid-template-columns: 1fr; }
  .pi-order { padding: 16px; }
  .pi-qty-row { flex-wrap: wrap; gap: 8px; }
  .prod-tab-btn { padding: 10px 14px; font-size: 12px; }
  .product-tabs { overflow-x: auto; }
}

@media (max-width: 400px) {
  .pg-main { aspect-ratio: 4/3; }
  .pi-title { font-size: 26px; }
  .pi-price-block, .pi-price-consult { padding: 12px 14px; }
}