.product-detail { padding: var(--space-12) 0 var(--section-space-lg); }
.product-detail__intro { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.8fr); gap: clamp(var(--space-8), 6vw, var(--space-20)); align-items: start; }
.product-gallery { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
.product-gallery.has-single-image { grid-template-columns: minmax(0, 1fr); }
.product-gallery__thumb-rail { display: grid; min-width: 0; grid-row: 2; grid-template-columns: 32px minmax(0, 1fr) 32px; gap: var(--space-2); align-items: center; }
.product-gallery__thumbs { display: flex; min-width: 0; flex-direction: row; gap: var(--space-3); overflow-x: auto; overflow-y: hidden; overscroll-behavior: contain; scrollbar-width: none; scroll-snap-type: x proximity; }
.product-gallery__thumbs::-webkit-scrollbar { display: none; width: 0; height: 0; }
.product-gallery__rail-nav { display: grid; width: 32px; min-height: 82px; place-items: center; padding: 0; border: 1px solid var(--color-border-light); border-radius: var(--radius-md); background-color: var(--color-bg); color: var(--color-text); cursor: pointer; transition: border-color var(--transition-fast), background-color var(--transition-fast); }
.product-gallery__rail-nav:hover { border-color: var(--color-border); background-color: var(--color-bg-alt); }
.product-gallery__rail-nav:focus-visible { outline: none; box-shadow: var(--shadow-focus-primary); }
.product-gallery__rail-nav .icon { width: 18px; height: 18px; }
.product-gallery__thumb { overflow: hidden; width: 82px; aspect-ratio: 1 / 1; flex: 0 0 82px; padding: 0; border: 1px solid var(--color-border-light); border-radius: var(--radius-md); background-color: var(--color-bg-alt); cursor: pointer; scroll-snap-align: start; }
.product-gallery__thumb.is-active { border-color: var(--color-primary); }
.product-gallery__thumb:focus-visible { outline: none; box-shadow: var(--shadow-focus-primary); }
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery__stage img { position: absolute; inset: 0; display: block; width: 100%; max-width: 100%; height: 100%; max-height: 100%; object-fit: contain; object-position: center; }
.product-gallery__stage { position: relative; display: grid; overflow: hidden; aspect-ratio: 1 / 1; grid-row: 1; place-items: center; border: 1px solid var(--color-border-light); border-radius: var(--radius-lg); background-color: var(--color-bg-alt); }
.product-gallery__stage-media { position: absolute; inset: 0; display: block; overflow: hidden; width: 100%; min-width: 0; height: 100%; min-height: 0; padding: 0; border: 0; background: none; cursor: zoom-in; }
.product-gallery__stage-media:focus-visible { outline: none; box-shadow: inset var(--shadow-focus-primary); }
.product-gallery__open { position: absolute; right: var(--space-4); bottom: var(--space-4); }
.product-gallery__open .icon { width: 19px; height: 19px; }
.product-gallery__nav { position: absolute; top: 50%; z-index: 2; border-color: rgba(17, 17, 17, 0.12); background-color: rgba(255, 255, 255, 0.9); color: var(--color-text); transform: translateY(-50%); backdrop-filter: blur(8px); }
.product-gallery__nav--prev { left: var(--space-4); }
.product-gallery__nav--next { right: var(--space-4); }
.product-gallery__placeholder { color: var(--color-text-muted); font-size: var(--text-sm); }

.product-summary { min-width: 0; padding-top: var(--space-4); }
.product-summary__brand { margin: 0 0 var(--space-4); color: var(--color-primary); font-size: var(--text-sm); font-weight: var(--font-bold); letter-spacing: var(--tracking-label); text-transform: uppercase; }
.product-summary h1 { margin: 0; font-size: clamp(1.375rem, 2vw, 2rem); font-weight: var(--font-semibold); line-height: var(--leading-tight); letter-spacing: var(--tracking-heading); }
.product-summary__status { display: inline-flex; min-height: 30px; align-items: center; margin: var(--space-5) 0 0; padding: var(--space-1) var(--space-3); border-radius: var(--radius-pill); background-color: var(--color-bg-alt); color: var(--color-text-muted); font-size: var(--text-xs); font-weight: var(--font-semibold); }
.product-summary__status--instock { color: var(--color-primary); }
.product-summary__price { margin: var(--space-4) 0 0; font-size: var(--text-xl); font-weight: var(--font-bold); letter-spacing: var(--tracking-title); }
.product-summary__codes { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-6); margin: var(--space-6) 0 var(--space-8); padding: var(--space-4) 0; border-top: 1px solid var(--color-border-light); border-bottom: 1px solid var(--color-border-light); }
.product-code { display: flex; gap: var(--space-2); margin: 0; font-size: var(--text-sm); }
.product-code dt { color: var(--color-text-muted); }
.product-code dd { margin: 0; font-weight: var(--font-semibold); overflow-wrap: anywhere; }

.product-variants { margin-bottom: var(--space-8); }
.product-variants h2 { margin: 0 0 var(--space-4); font-size: var(--text-sm); font-weight: var(--font-bold); letter-spacing: var(--tracking-label); text-transform: uppercase; }
.product-variants ul { display: grid; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.product-variants li { margin: 0; }
.product-variant { display: flex; width: 100%; min-height: 48px; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border-light); border-radius: var(--radius-md); background: transparent; color: inherit; font: inherit; cursor: pointer; text-align: left; transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast); }
.product-variant:hover { border-color: var(--color-border); background-color: var(--color-bg-alt); }
.product-variant.is-active { border-color: var(--color-primary); background-color: rgba(230, 0, 0, 0.05); }
.product-variant:focus-visible { outline: none; box-shadow: var(--shadow-focus-primary); }
.product-variant__name { font-size: var(--text-sm); font-weight: var(--font-semibold); }
.product-variant__meta { color: var(--color-text-muted); font-size: var(--text-xs); text-align: right; }

.product-information { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(var(--space-8), 5vw, var(--space-16)); margin-top: var(--section-space-lg); padding-top: var(--space-12); border-top: 1px solid var(--color-border-light); }
.product-information.has-single-column { grid-template-columns: minmax(0, 780px); }
.product-information h2 { margin: 0 0 var(--space-5); font-size: var(--text-2xl); font-weight: var(--font-semibold); line-height: var(--leading-heading); letter-spacing: var(--tracking-title); }
.product-description__content { color: var(--color-text-muted); font-size: var(--text-base); line-height: var(--leading-body); }
.product-description__content > :first-child { margin-top: 0; }
.product-description__content > :last-child { margin-bottom: 0; }
.product-description__content p,
.product-description__content ul,
.product-description__content ol { margin: 0 0 var(--space-4); }
.product-description__content ul,
.product-description__content ol { padding-left: var(--space-6); }
.product-description__content li + li { margin-top: var(--space-2); }
.product-description__content h3 { margin: var(--space-8) 0 var(--space-3); color: var(--color-text); font-size: var(--text-lg); font-weight: var(--font-semibold); line-height: var(--leading-heading); }
.product-description__content a { color: var(--color-primary); }
.product-specs { margin: 0; }
.product-specs__row { display: grid; grid-template-columns: minmax(130px, 0.55fr) minmax(0, 1fr); gap: var(--space-4); padding: var(--space-4) 0; border-bottom: 1px solid var(--color-border-light); }
.product-specs__row:first-child { border-top: 1px solid var(--color-border-light); }
.product-specs dt { color: var(--color-text-muted); font-size: var(--text-sm); }
.product-specs dd { margin: 0; font-size: var(--text-sm); font-weight: var(--font-semibold); overflow-wrap: anywhere; }

.product-lightbox { position: fixed; inset: 0; z-index: var(--z-modal); display: none; width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; align-items: center; justify-content: center; padding: var(--space-6); border: 0; overflow: hidden; background-color: rgba(17, 17, 17, 0.92); color: var(--color-bg); }
.product-lightbox[open] { display: block; }
.product-lightbox__figure { position: absolute; top: 50%; left: 50%; display: flex; width: min(calc(100vw - 180px), 1100px); min-width: 0; max-height: calc(100vh - 180px); flex-direction: column; align-items: center; justify-content: center; margin: 0; transform: translate(-50%, -50%); }
.product-lightbox__image { display: block; width: auto; max-width: 100%; height: auto; max-height: calc(100vh - 220px); object-fit: contain; }
.product-lightbox__toolbar { position: absolute; top: var(--space-5); right: var(--space-5); left: var(--space-5); display: flex; align-items: center; justify-content: space-between; pointer-events: none; }
.product-lightbox__counter { font-size: var(--text-xs); font-weight: var(--font-semibold); letter-spacing: var(--tracking-label); }
.product-lightbox__close,
.product-lightbox__nav { border-color: rgba(255, 255, 255, 0.28); background-color: rgba(17, 17, 17, 0.5); color: var(--color-bg); }
.product-lightbox__close { pointer-events: auto; }
.product-lightbox__nav { position: absolute; top: 50%; z-index: 1; transform: translateY(-50%); }
.product-lightbox__nav--prev { left: var(--space-6); }
.product-lightbox__nav--next { right: var(--space-6); }
.product-lightbox__caption { max-width: 64ch; margin-top: var(--space-4); color: rgba(255, 255, 255, 0.72); font-size: var(--text-xs); line-height: var(--leading-ui); text-align: center; }
.product-lightbox__thumbs { position: absolute; right: var(--space-6); bottom: var(--space-4); left: var(--space-6); display: flex; justify-content: center; gap: var(--space-2); }
.product-lightbox__thumb { overflow: hidden; width: 54px; height: 54px; padding: 0; border: 1px solid rgba(255, 255, 255, 0.24); border-radius: var(--radius-md); background-color: rgba(255, 255, 255, 0.08); opacity: 0.62; cursor: pointer; transition: border-color var(--transition-fast), opacity var(--transition-fast); }
.product-lightbox__thumb.is-active { border-color: var(--color-primary); opacity: 1; }
.product-lightbox__thumb:focus-visible { outline: none; box-shadow: var(--shadow-focus-primary-strong); }
.product-lightbox__thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-lightbox::backdrop { background-color: rgba(17, 17, 17, 0.92); }
body.has-product-lightbox-open { overflow: hidden; }

@supports not (aspect-ratio: 1 / 1) {
	.product-gallery__thumb,
	.product-gallery__stage { position: relative; height: 0; padding-bottom: 100%; }
	.product-gallery__thumb img,
	.product-gallery__stage-media,
	.product-gallery__stage-media img { position: absolute; inset: 0; }
}

@media (max-width: 991px) {
	.product-detail__intro { grid-template-columns: minmax(0, 1fr); }
	.product-summary { padding-top: 0; }
}

@media (max-width: 767px) {
	.product-detail { padding-top: var(--space-8); }
	.product-summary h1 { font-size: 1.375rem; }
	.product-gallery { display: grid; }
	.product-gallery__thumb-rail { display: grid; width: 100%; grid-template: minmax(0, 1fr) / 36px minmax(0, 1fr) 36px; gap: var(--space-2); align-items: center; }
	.product-gallery__thumbs { display: flex; width: 100%; flex-direction: row; gap: var(--space-2); overflow-x: auto; overflow-y: hidden; scroll-snap-type: x proximity; }
	.product-gallery__rail-nav { width: 36px; min-height: 44px; }
	.product-gallery__thumb { width: clamp(68px, 22vw, 88px); flex-basis: clamp(68px, 22vw, 88px); }
	.product-gallery__nav--prev { left: var(--space-3); }
	.product-gallery__nav--next { right: var(--space-3); }
	.product-summary__codes { margin-bottom: var(--space-6); }
	.product-information { grid-template-columns: minmax(0, 1fr); gap: var(--space-10); margin-top: var(--space-16); }
	.product-lightbox { padding: var(--space-3); }
	.product-lightbox__figure { width: calc(100vw - 112px); max-height: calc(100vh - 180px); }
	.product-lightbox__image { max-height: calc(100vh - 230px); }
	.product-lightbox__toolbar { top: var(--space-3); right: var(--space-3); left: var(--space-3); }
	.product-lightbox__nav--prev { left: var(--space-3); }
	.product-lightbox__nav--next { right: var(--space-3); }
	.product-lightbox__thumbs { right: var(--space-3); bottom: var(--space-3); left: var(--space-3); overflow-x: auto; justify-content: flex-start; }
	.product-lightbox__thumb { width: 48px; height: 48px; flex: 0 0 auto; }
}

@media (max-width: 420px) {
	.product-gallery__thumbs { gap: var(--space-2); }
	.product-gallery__open { right: var(--space-3); bottom: var(--space-3); }
	.product-specs__row { grid-template-columns: minmax(105px, 0.5fr) minmax(0, 1fr); }
	.product-variant { align-items: flex-start; flex-direction: column; }
	.product-variant__meta { text-align: left; }
}