.product-detail { padding: 42px 0 72px; background: var(--surface-alt); }
.breadcrumb { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; margin-bottom: 20px; color: var(--muted); font-size: .76rem; }
.breadcrumb a { color: var(--primary); font-weight: 800; }
.detail-layout { display: grid; grid-template-columns: minmax(0,1.04fr) minmax(360px,.96fr); gap: 36px; align-items: start; }
.detail-gallery { position: sticky; top: 132px; }
.detail-image-wrap { overflow: hidden; aspect-ratio: 1 / 1; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); }
.detail-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.gallery-note { margin: 10px 2px 0; color: var(--muted); font-size: .72rem; }
.detail-info { padding: 30px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); }
.detail-category { margin: 0 0 8px; color: var(--primary-2); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.detail-info h1 { margin: 0 0 14px; font-size: clamp(1.65rem, 2.6vw, 2.3rem); line-height: 1.1; letter-spacing: -.04em; }
.detail-pricing { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.detail-pricing strong { color: var(--primary); font-size: clamp(1.4rem,2.2vw,1.9rem); letter-spacing: -.025em; }
.detail-pricing del { color: var(--muted); }
.detail-pricing span { padding: 4px 8px; border-radius: 7px; color: var(--danger); background: #fff0ef; font-size: .72rem; font-weight: 900; }
.detail-summary { margin: 0 0 20px; color: var(--ink-soft); font-size: .9rem; line-height: 1.6; }
.detail-block { margin-top: 22px; }
.detail-block__title { margin: 0 0 11px; font-size: .82rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.attribute-list { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); }
.attribute-row { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 13px 15px; border-bottom: 1px solid var(--border); }
.attribute-row:last-child { border-bottom: 0; }
.attribute-row span { color: var(--muted); font-size: .78rem; }
.attribute-row strong { color: var(--ink); font-size: .82rem; }
.service-note { display: flex; gap: 10px; margin-top: 16px; padding: 13px 14px; border: 1px solid #cce8ff; border-radius: var(--radius); background: var(--surface-blue); color: var(--ink-soft); font-size: .78rem; }
.service-note strong { color: var(--primary); }
.detail-actions { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 24px; }
.detail-actions .btn--whatsapp { min-height: 50px; }
.detail-actions .btn--ghost { min-width: 120px; }
.detail-footnote { margin: 11px 0 0; color: var(--muted); font-size: .69rem; }
.not-found { padding: 90px 0; text-align: center; }
.not-found h1 { margin-bottom: 8px; }
.not-found p { color: var(--ink-soft); }
.related-section { padding-top: 60px; }
.related-section .product-grid { grid-template-columns: repeat(3,1fr); }

@media (max-width: 900px) {
  .product-detail { padding-top: 28px; }
  .detail-layout { grid-template-columns: 1fr; gap: 20px; }
  .detail-gallery { position: static; }
  .detail-image-wrap { max-width: 700px; margin-inline: auto; }
}

@media (max-width: 600px) {
  .product-detail { padding: 20px 0 44px; }
  .breadcrumb { font-size: .68rem; margin-bottom: 13px; }
  .detail-image-wrap { border-radius: 18px; }
  .detail-info { padding: 19px 15px; border-radius: 18px; }
  .detail-info h1 { font-size: 1.45rem; }
  .detail-pricing strong { font-size: 1.25rem; }
  .detail-summary { font-size: .78rem; line-height: 1.55; }
  .attribute-row { grid-template-columns: 105px 1fr; gap: 10px; padding: 11px 12px; }
  .attribute-row span, .attribute-row strong { font-size: .72rem; }
  .detail-actions { grid-template-columns: 1fr; }
  .detail-actions .btn--ghost { min-width: 0; }
  .related-section { padding-top: 40px; }
  .related-section .product-grid { grid-template-columns: repeat(2,1fr); }
  .related-section .product-card:nth-child(3) { display: none; }
}

/* Quantity + cart controls */
.purchase-control {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: end;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.quantity-field { display: grid; gap: 7px; }
.quantity-field > span { color: var(--ink-soft); font-size: .72rem; font-weight: 800; }
.quantity-stepper {
  display: grid;
  grid-template-columns: 40px 54px 40px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}
.quantity-stepper button { height: 46px; border: 0; background: var(--surface-blue); color: var(--primary); font-size: 1.05rem; font-weight: 900; }
.quantity-stepper input { width: 54px; height: 46px; padding: 0; border: 0; border-inline: 1px solid var(--border); color: var(--ink); text-align: center; font-weight: 850; -moz-appearance: textfield; }
.quantity-stepper input::-webkit-inner-spin-button, .quantity-stepper input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.add-to-cart-btn { min-height: 48px; border-radius: 13px; }
.add-to-cart-btn svg { width: 20px; height: 20px; fill: currentColor; }
.add-to-cart-btn.is-added { background: var(--success); }
.detail-actions { margin-top: 12px; }

@media (max-width: 600px) {
  .purchase-control { grid-template-columns: 1fr; gap: 10px; margin-top: 20px; padding-top: 18px; }
  .quantity-field { grid-template-columns: auto 1fr; align-items: center; }
  .quantity-stepper { justify-self: end; grid-template-columns: 38px 52px 38px; }
  .quantity-stepper button, .quantity-stepper input { height: 42px; }
  .add-to-cart-btn { width: 100%; }
}