/**
 * Case Studies Phase 1 — archive grid, filters, detail hero, gallery lightbox.
 */

.brem-case-filters .shell {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.brem-case-cat-tabs {
	display: flex;
	flex-wrap: nowrap;
	gap: 0.5rem;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	padding-bottom: 0.25rem;
}

.brem-case-tab {
	flex: 0 0 auto;
	padding: 0.55rem 1rem;
	border: 1px solid var(--brem-border, #d7dee7);
	background: #fff;
	color: var(--brem-text, #1c2430);
	text-decoration: none;
	font-size: 0.9rem;
	line-height: 1.3;
	white-space: nowrap;
}

.brem-case-tab.is-active,
.brem-case-tab:hover {
	border-color: var(--brem-blue, #1f4e79);
	color: var(--brem-blue, #1f4e79);
}

.brem-case-secondary-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

.brem-case-secondary-filters select {
	min-width: 10rem;
	padding: 0.5rem 0.75rem;
	border: 1px solid var(--brem-border, #d7dee7);
	background: #fff;
	color: inherit;
}

.brem-case-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
}

@media (min-width: 768px) {
	.brem-case-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 1100px) {
	.brem-case-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

.brem-case-card {
	display: flex;
	flex-direction: column;
	background: #fff;
	border: 1px solid var(--brem-border, #e5eaf0);
}

.brem-case-card__media {
	display: block;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: #eef2f6;
}

.brem-case-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.brem-case-card__body {
	padding: 1rem 1.1rem 1.25rem;
	display: flex;
	flex-direction: column;
	gap: 0.45rem;
}

.brem-case-card__cat {
	font-size: 0.75rem;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--brem-blue, #1f4e79);
}

.brem-case-card__title {
	margin: 0;
	font-size: 1.1rem;
	line-height: 1.35;
}

.brem-case-card__title a {
	color: inherit;
	text-decoration: none;
}

.brem-case-card__meta {
	margin: 0;
	color: var(--brem-muted, #5b6b7c);
	font-size: 0.92rem;
}

.brem-case-empty {
	padding: 2.5rem 0;
	text-align: center;
}

.brem-case-hero__grid {
	display: grid;
	gap: 1.75rem;
}

@media (min-width: 960px) {
	.brem-case-hero__grid {
		grid-template-columns: 1.1fr 0.9fr;
		align-items: center;
	}
}

.brem-case-hero__meta,
.brem-case-hero__cat {
	margin: 0.35rem 0 0;
	color: var(--brem-muted, #5b6b7c);
}

.brem-case-hero__media img {
	width: 100%;
	height: auto;
	display: block;
	object-fit: cover;
	aspect-ratio: 16 / 10;
}

.brem-case-gallery {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
}

@media (min-width: 768px) {
	.brem-case-gallery:not(.brem-case-gallery--single) {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

.brem-case-gallery figure {
	margin: 0;
}

.brem-case-gallery img {
	width: 100%;
	height: auto;
	display: block;
	object-fit: cover;
	aspect-ratio: 16 / 10;
}

.brem-case-lightbox {
	position: fixed;
	inset: 0;
	z-index: 10000;
	background: rgba(10, 16, 24, 0.88);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1.5rem;
}

.brem-case-lightbox[hidden] {
	display: none;
}

.brem-case-lightbox img {
	max-width: min(1100px, 100%);
	max-height: 90vh;
	object-fit: contain;
}

.brem-case-lightbox__close {
	position: absolute;
	top: 1rem;
	right: 1rem;
	border: 0;
	background: #fff;
	color: #111;
	width: 2.5rem;
	height: 2.5rem;
	cursor: pointer;
	font-size: 1.25rem;
	line-height: 1;
}