/* Product page. */

.product-top { padding-top: var(--space-2); }

.product {
	display: grid;
	gap: var(--space-6);
	padding-bottom: var(--space-12);
}
@media (min-width: 1024px) {
	.product { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: start; gap: var(--gutter); padding-bottom: var(--space-16); }
}

/* Gallery: one main frame and four thumbnails, no slider (CLAUDE.md §6) */
.gallery { display: grid; gap: var(--space-3); }
@media (min-width: 1024px) {
	.gallery { position: sticky; top: calc(var(--tap-min) + var(--space-8) + var(--space-6)); }
}
.gallery__main {
	position: relative;
	aspect-ratio: 1;
	border: var(--border);
	border-radius: var(--r-card);
	background: var(--color-fill);
	overflow: hidden;
}
.gallery__image { width: 100%; height: 100%; object-fit: cover; transition: opacity var(--dur-base) var(--ease); }
.gallery__image.is-swapping { opacity: 0; }
.gallery__sale { position: absolute; top: var(--space-3); left: var(--space-3); }
.gallery__thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-3); list-style: none; }
.gallery__thumb {
	display: block;
	width: 100%;
	padding: 0;
	border: var(--hairline) solid var(--color-border);
	border-radius: var(--r-control);
	background: var(--color-fill);
	overflow: hidden;
	transition: border-color var(--dur-fast) var(--ease);
}
.gallery__thumb img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.gallery__thumb:hover { border-color: var(--color-border-input); }
.gallery__thumb[aria-pressed="true"] { border-color: var(--color-brand); box-shadow: inset 0 0 0 var(--hairline) var(--color-brand); }

/* Buy box */
.buy-box { display: grid; align-content: start; gap: var(--space-4); }
.buy-box__title { font-size: var(--h2-m); line-height: var(--lh-h2); }
@media (min-width: 768px) {
	.buy-box__title { font-size: var(--h3); font-weight: var(--fw-bold); line-height: var(--lh-h3); }
}
.buy-box__rating { justify-self: start; display: inline-flex; min-height: var(--tap-min); align-items: center; color: inherit; text-decoration: none; }
.buy-box__rating:hover .rating__value { text-decoration: underline; }
.buy-box .price__current { font-size: var(--h4-m); }
@media (min-width: 768px) {
	.buy-box .price__current { font-size: var(--h4); }
}
.buy-box__badges { display: flex; flex-wrap: wrap; gap: var(--space-1); list-style: none; }
.buy-box__sheet { --color-border: var(--n-200); }
.buy-box__form { display: grid; gap: var(--space-4); padding-top: var(--space-2); }
.buy-box__qty { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.buy-box__qty-label { font-weight: var(--fw-medium); }
.buy-box__actions { display: grid; gap: var(--space-2); }
@media (min-width: 768px) and (max-width: 1023px) {
	.buy-box__actions { grid-template-columns: 1fr 1fr; }
}
.buy-box__assurances {
	display: grid;
	gap: var(--space-2);
	padding: var(--space-4);
	border: var(--border);
	border-radius: var(--r-card);
	background: var(--color-surface);
	list-style: none;
	font-size: var(--small);
}
.buy-box__assurances li { display: flex; align-items: center; gap: var(--space-2); }
.buy-box__assurances .icon { flex: none; width: var(--space-4); height: var(--space-4); color: var(--color-brand); }
.buy-box__note { color: var(--color-text-muted); font-size: var(--small); }

/* Details: specifications, box contents, description */
.product-details {
	display: grid;
	gap: var(--space-8);
	padding-block: var(--space-8);
	border-top: var(--border);
}
@media (min-width: 1024px) {
	.product-details { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: var(--gutter); padding-block: var(--space-12); }
	.product-section:first-child { grid-row: span 2; }
}
.product-section__title {
	margin-bottom: var(--space-4);
	font-size: var(--h4-m);
	font-weight: var(--fw-medium);
	line-height: var(--lh-h4);
}
@media (min-width: 768px) {
	.product-section__title { font-size: var(--h4); }
}
.spec-table {
	width: 100%;
	border-collapse: collapse;
	font-variant-numeric: tabular-nums;
}
.spec-table th,
.spec-table td { padding: var(--space-3) 0; border-bottom: var(--border); text-align: left; vertical-align: top; }
.spec-table th { width: 40%; padding-right: var(--space-4); color: var(--color-text-muted); font-weight: var(--fw-medium); }
.spec-table tr:first-child > * { border-top: var(--border); }
.in-box { display: grid; gap: var(--space-2); list-style: none; }
.in-box li { display: flex; align-items: center; gap: var(--space-2); }
.in-box .icon { flex: none; width: var(--space-4); height: var(--space-4); color: var(--color-brand); }

/* Reviews */
.reviews { border-top: var(--border); background: var(--color-surface); }
.review-list { display: grid; gap: var(--gutter-m); list-style: none; }
@media (min-width: 768px) {
	.review-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter-t); }
}
@media (min-width: 1024px) {
	.review-list { gap: var(--gutter); }
}
.review { display: grid; align-content: start; gap: var(--space-3); padding: var(--space-6); border: var(--border); border-radius: var(--r-card); background: var(--color-ground); }
.review__meta { color: var(--color-text-muted); font-size: var(--small); }

/* Sticky add to cart on phones once the buy box scrolls away (product.js) */
.sticky-buy {
	position: fixed;
	right: 0;
	bottom: 0;
	left: 0;
	z-index: 30;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-4);
	padding: var(--space-3) var(--margin-m);
	border-top: var(--border);
	background: var(--color-surface);
	box-shadow: var(--shadow-1);
	visibility: hidden;
	transform: translateY(100%);
	transition: transform var(--dur-base) var(--ease), visibility 0s linear var(--dur-base);
}
.sticky-buy[hidden] { display: none; }
.sticky-buy.is-visible { visibility: visible; transform: none; transition-delay: 0s; }
.sticky-buy__info { display: grid; min-width: 0; }
.sticky-buy__name { overflow: hidden; font-weight: var(--fw-medium); text-overflow: ellipsis; white-space: nowrap; }
.sticky-buy__price { font-family: var(--stack-display); font-weight: var(--fw-medium); font-variant-numeric: tabular-nums; }
@media (min-width: 1024px) {
	.sticky-buy { display: none; }
}