.product-page { max-width: 1180px; margin: 0 auto; padding: 24px 32px 80px; position: relative; z-index: 10; color: #f5f5f7; }
.product-heading { margin-bottom: 30px; max-width: 800px; }
.product-heading h1 { font-size: clamp(28px, 3.1vw, 42px); font-weight: 750; line-height: 1.17; letter-spacing: -1.3px; margin: 0 0 14px; }
.product-heading p { max-width: 720px; font-size: 14px; line-height: 1.75; color: #a3a4b0; }
.product-layout { display: grid; grid-template-columns: minmax(0,1.45fr) minmax(340px,1fr); grid-template-areas: 'gallery purchase' 'features purchase' 'requirements purchase'; gap: 32px 36px; align-items: start; }
.product-gallery { grid-area: gallery; min-width: 0; }
.product-page .product-box-container { aspect-ratio: 16/10; border-radius: 14px; border: 1px solid #29252f; box-shadow: none; background: #481a3d; }
.product-page .product-box-image { object-fit: cover !important; object-position: center; transform: none !important; transition: none; }
.product-availability { position: absolute; top: 16px; left: 16px; padding: 6px 10px; background: #0b1514; color: #71dcb2; border-radius: 6px; font-size: 11px; font-weight: 650; text-transform: capitalize; }
.product-availability::before { content: ''; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: currentColor; margin-right: 6px; vertical-align: 2px; }
.product-purchase { grid-area: purchase; position: sticky; top: 94px; border: 1px solid #2b2933; border-radius: 14px; background: #111218; padding: 24px; }
.purchase-heading h2 { font-size: 19px; font-weight: 700; letter-spacing: -.4px; margin-bottom: 5px; }
.purchase-heading p { color: #9496a2; font-size: 13px; margin-bottom: 22px; }
#productVariantsContainer { display: grid; gap: 8px; }
.product-page .key-variant-card { display: flex; width: 100%; min-height: 56px; gap: 12px; padding: 14px; border: 1px solid #30313b; border-radius: 8px; background: #171820; color: #ececf2; text-align: left; box-shadow: none; transition: border-color 140ms, background-color 140ms; }
.product-page .key-variant-card:hover { background: #1f1e28; border-color: #77616c; }
.product-page .key-variant-card.is-active { background: #281a25; border-color: #d54e89; box-shadow: none; }
.variant-indicator { width: 15px; height: 15px; border: 1px solid #777886; border-radius: 50%; flex-shrink: 0; }
.is-active .variant-indicator { border: 4px solid #ef5a96; background: #fff; }
.variant-name { font-size: 13px; font-weight: 650; flex: 1; }
.variant-new { display: inline-block; margin-left: 8px; padding: 3px 7px; border: 1px solid #bd4777; border-radius: 5px; background: #863055; color: #ffe5f1; font-size: 10px; font-weight: 750; line-height: 1; vertical-align: 1px; }
.variant-price { font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.purchase-summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 24px 0; padding-top: 22px; border-top: 1px solid #2b2c34; }
.purchase-total { display: flex; flex-direction: column; gap: 4px; }
.purchase-total > span, .purchase-quantity > span { color: #a0a1ae; font-size: 12px; }
.purchase-total strong { font-size: 30px; font-weight: 750; letter-spacing: -.9px; font-variant-numeric: tabular-nums; }
.purchase-total small { font-size: 11px; color: #8d8f9c; }
.purchase-quantity { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.quantity-control { display: flex; align-items: center; border: 1px solid #383842; border-radius: 7px; overflow: hidden; }
.quantity-control button { width: 34px; height: 36px; color: #d2d2db; background: #191a21; font-size: 18px; }
.quantity-control button:hover { background: #2b232d; }
.quantity-control > span { width: 28px; text-align: center; font-size: 13px; }
.product-page .btn-buy-primary, .product-page .btn-cart-secondary { width: 100%; border-radius: 8px; min-height: 46px; padding: 12px 18px; font-size: 13px; font-weight: 700; box-shadow: none; transition: background-color 140ms; transform: none; }
.product-page .btn-buy-primary { background: #de387a; border: 1px solid #ed5690; }
.product-page .btn-buy-primary:hover { background: #ed4388; box-shadow: none; transform: none; }
.product-page .btn-cart-secondary { background: transparent; border: 1px solid #41414b; color: #dedee7; margin-top: 9px; }
.product-page .btn-cart-secondary:hover { background: #1e1e27; transform: none; box-shadow: none; }
.purchase-delivery { display: flex; justify-content: center; align-items: center; gap: 7px; margin: 16px 0 22px; font-size: 10px; color: #9799a5; }
.purchase-delivery svg { flex-shrink: 0; }
.purchase-help { border-top: 1px solid #2b2c34; padding-top: 18px; display: flex; justify-content: space-between; gap: 12px; font-size: 11px; color: #989aa7; }
.purchase-help a { color: #e992b4; text-decoration: underline; text-underline-offset: 3px; }
.product-features { grid-area: features; }
.product-features > h2, .product-requirements > h2 { font-size: 20px; font-weight: 700; margin-bottom: 22px; letter-spacing: -.5px; }
#productFeaturesGrid { display: flex; flex-direction: column; gap: 0; }
.product-feature-group { display: grid; grid-template-columns: 135px minmax(0,1fr); gap: 20px; padding: 20px 0; border-top: 1px solid #252630; }
.product-feature-group h3 { font-size: 13px; font-weight: 650; color: #e6b3c9; }
.product-feature-group ul { display: grid; gap: 9px; }
.product-feature-group li { position: relative; padding-left: 13px; font-size: 12px; line-height: 1.55; color: #adafbb; }
.product-feature-group li::before { content: ''; position: absolute; left: 0; top: 7px; width: 4px; height: 4px; border-radius: 50%; background: #76636e; }
.product-requirements { grid-area: requirements; }
.product-requirements dl > div { display: flex; justify-content: space-between; gap: 18px; padding: 13px 0; border-top: 1px solid #252630; font-size: 12px; }
.product-requirements dt { color: #9698a5; }
.product-requirements dd { color: #e1e1e7; text-align: right; }
.product-page button:focus-visible, .product-page a:focus-visible { outline: 2px solid #f07bab; outline-offset: 3px; }
@media (max-width: 900px) {
  .product-page { padding-inline: 24px; }
  .product-layout { grid-template-columns: minmax(0,1fr) minmax(300px,1fr); column-gap: 24px; }
  .product-purchase { padding: 20px; }
  .product-feature-group { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 700px) {
  .product-page { padding: 14px 20px 48px; }
  .product-heading { margin-bottom: 22px; }
  .product-heading h1 { letter-spacing: -.8px; }
  .product-heading p { font-size: 13px; }
  .product-layout { grid-template-columns: minmax(0,1fr); grid-template-areas: 'gallery' 'purchase' 'features' 'requirements'; gap: 26px; }
  .product-purchase { position: static; }
  .quantity-control button { min-width: 40px; height: 40px; }
  .product-feature-group { grid-template-columns: 100px minmax(0,1fr); gap: 14px; }
}
@media (prefers-reduced-motion: reduce) { .product-page * { transition: none !important; } }