/* ============================================================
   Catalog grid
   ============================================================ */
.catalog-grid {
	display: grid;
	gap: var(--space-4);
	grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 900px) { .catalog-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .catalog-grid { grid-template-columns: repeat(2, 1fr); } }

.catalog-tile {
	position: relative;
	padding: 0;
	border: 1px solid var(--line);
	background: var(--paper);
	border-radius: var(--radius);
	overflow: hidden;
	cursor: zoom-in;
	aspect-ratio: 3 / 4;
	transition: all var(--t-base);
	display: block;
}
.catalog-tile:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow);
	border-color: var(--brand-sky);
}
.catalog-tile img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.7s var(--ease-out-expo);
}
.catalog-tile:hover img { transform: scale(1.03); }
.catalog-tile__num {
	position: absolute;
	inset-block-end: 10px;
	inset-inline-end: 10px;
	padding: 4px 10px;
	background: rgba(10, 74, 100, 0.85);
	color: #fff;
	font-family: var(--font-num);
	font-size: 0.78rem;
	font-weight: 700;
	border-radius: var(--radius-pill);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

/* ============================================================
   Lightbox
   ============================================================ */
.catalog-lightbox {
	position: fixed;
	inset: 0;
	z-index: 200;
	background: rgba(10, 74, 100, 0.94);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-5);
}
.catalog-lightbox[hidden] { display: none; }

.catalog-lightbox__figure {
	position: relative;
	max-width: 90vw;
	max-height: 90vh;
	margin: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-3);
}
.catalog-lightbox__img {
	max-width: 100%;
	max-height: 85vh;
	object-fit: contain;
	border-radius: var(--radius);
	box-shadow: var(--shadow-lg);
	background: #fff;
}
.catalog-lightbox__caption {
	color: rgba(255, 255, 255, 0.85);
	font-family: var(--font-num);
	font-size: 0.85rem;
	letter-spacing: var(--tracking-wide);
	text-transform: uppercase;
}

.catalog-lightbox__close,
.catalog-lightbox__nav {
	position: absolute;
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.2);
	color: #fff;
	width: 52px;
	height: 52px;
	border-radius: var(--radius-pill);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.4rem;
	line-height: 1;
	cursor: pointer;
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	transition: all var(--t-base);
	z-index: 2;
}
.catalog-lightbox__close:hover,
.catalog-lightbox__nav:hover { background: rgba(255, 255, 255, 0.25); transform: scale(1.05); }

.catalog-lightbox__close {
	inset-block-start: var(--space-4);
	inset-inline-end: var(--space-4);
	font-size: 1.6rem;
}
.catalog-lightbox__nav--prev { inset-inline-end: var(--space-4); inset-block-start: 50%; transform: translateY(-50%); }
.catalog-lightbox__nav--next { inset-inline-start: var(--space-4); inset-block-start: 50%; transform: translateY(-50%); }
.catalog-lightbox__nav--prev:hover { transform: translateY(-50%) scale(1.05); }
.catalog-lightbox__nav--next:hover { transform: translateY(-50%) scale(1.05); }

@media (max-width: 600px) {
	.catalog-lightbox__nav { width: 44px; height: 44px; }
	.catalog-lightbox__close { width: 44px; height: 44px; }
}