/* ==========================================================================
   Cases Archive — /cases/
   ========================================================================== */

.case-archive {
	background: var(--color-bg);
	padding: var(--space-2xl) var(--space-sm);
	min-height: 60vh;
}

@media (min-width: 768px) {
	.case-archive {
		padding: var(--space-md) var(--space-lg);
	}
}

/* Header
   ========================================================================== */

.case-archive__header {
	text-align: center;
	max-width: 680px;
	margin: 0 auto var(--space-xl);
}

.case-archive__label {
	display: block;
	color: var(--color-accent);
	font-family: var(--font-sans);
	font-weight: var(--fw-regular);
	font-size: 0.65rem;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	margin-bottom: var(--space-sm);
}

.case-archive__heading {
	font-family: var(--font-sans);
	font-weight: var(--fw-regular);
	font-size: clamp(2rem, 5vw, 4rem);
	color: var(--color-text);
	letter-spacing: -0.03em;
	line-height: 1.05;
	margin: 0 0 var(--space-md);
}

.case-archive__heading-em {
	font-family: var(--font-serif);
	font-style: italic;
	font-weight: var(--fw-regular);
	color: var(--color-text);
}

.case-archive__lead {
	font-family: var(--font-sans);
	font-weight: var(--fw-light);
	font-size: clamp(0.875rem, 1.5vw, 1rem);
	color: var(--color-text-dim);
	line-height: 1.7;
	margin: 0;
}

/* Filters
   ========================================================================== */

.case-archive__filters {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-sm);
	max-width: 1280px;
	margin: 0 auto var(--space-xl);
}

@media (min-width: 768px) {
	.case-archive__filters {
		flex-direction: row;
		justify-content: center;
		flex-wrap: wrap;
		gap: var(--space-sm) var(--space-lg);
	}
}

.case-archive__filter-group {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	justify-content: center;
}

.case-archive__filter-btn {
	font-family: var(--font-sans);
	font-size: 0.75rem;
	font-weight: var(--fw-regular);
	letter-spacing: 0.02em;
	color: var(--color-text-dim);
	background: transparent;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-full);
	padding: 0.45rem 1rem;
	cursor: pointer;
	transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
	white-space: nowrap;
	line-height: 1;
}

.case-archive__filter-btn:hover {
	color: var(--color-text);
	border-color: rgba(232, 230, 212, 0.18);
}

.case-archive__filter-btn.is-active {
	color: var(--color-bg);
	background: var(--color-accent);
	border-color: var(--color-accent);
}

/* Grid
   ========================================================================== */

.case-archive__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-md);
	max-width: 1280px;
	margin: 0 auto;
}

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

/* Card
   ========================================================================== */

.case-archive__card {
	position: relative;
	aspect-ratio: 4 / 3;
	background: var(--color-bg-feature);
	border-radius: var(--radius-md);
	overflow: hidden;
	display: block;
	cursor: pointer;
	border: 1px solid var(--color-border);
	text-decoration: none;
	transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s var(--ease-out-expo);
}

.case-archive__card--featured {
	border-color: rgba(19, 214, 136, 0.18);
}

.case-archive__card:hover {
	border-color: rgba(232, 230, 212, 0.14);
	box-shadow: 0 12px 48px rgba(0, 0, 0, 0.55);
	transform: translateY(-4px);
}

/* Image */

.case-archive__card-img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.65s var(--ease-out-expo);
}

.case-archive__card-img--placeholder {
	background: var(--color-bg-feature);
}

.case-archive__card:hover .case-archive__card-img {
	transform: scale(1.05);
}

/* Gradient overlay */

.case-archive__card::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(
		to top,
		rgba(0, 0, 0, 0.78) 0%,
		rgba(0, 0, 0, 0.26) 42%,
		rgba(0, 0, 0, 0.06) 68%,
		transparent 100%
	);
	pointer-events: none;
	z-index: 1;
	transition: opacity 0.4s ease;
}

.case-archive__card:hover::after {
	opacity: 0.88;
}

/* Service type badge — top right */

.case-archive__card-badge {
	position: absolute;
	top: var(--space-sm);
	right: var(--space-sm);
	z-index: 2;
	font-family: var(--font-sans);
	font-size: 0.6rem;
	font-weight: var(--fw-regular);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--color-text);
	background: rgba(0, 0, 0, 0.42);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid rgba(232, 230, 212, 0.1);
	border-radius: var(--radius-full);
	padding: 0.3rem 0.75rem;
	line-height: 1;
}

/* Card body — bottom */

.case-archive__card-body {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 2;
	padding: var(--space-sm) 4.5rem var(--space-md) var(--space-md);
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
}

/* Meta row */

.case-archive__card-meta {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	flex-wrap: wrap;
}

.case-archive__card-sector {
	font-family: var(--font-sans);
	font-size: 0.62rem;
	font-weight: var(--fw-regular);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--color-accent);
	line-height: 1;
}

.case-archive__card-location {
	font-family: var(--font-sans);
	font-size: 0.62rem;
	font-weight: var(--fw-light);
	letter-spacing: 0.02em;
	color: var(--color-text-muted);
	line-height: 1;
}

.case-archive__card-location::before {
	content: '·';
	margin-right: 0.4rem;
}

/* Title */

.case-archive__card-title {
	font-family: var(--font-sans);
	font-weight: var(--fw-regular);
	font-size: clamp(1rem, 2vw, 1.35rem);
	letter-spacing: -0.02em;
	line-height: 1.1;
	color: var(--color-text);
	margin: 0;
}

/* Description — hidden, reveals on hover */

.case-archive__card-desc {
	font-family: var(--font-sans);
	font-weight: var(--fw-light);
	font-size: 0.78rem;
	line-height: 1.55;
	color: rgba(254, 254, 254, 0.65);
	margin: 0;
	max-height: 0;
	overflow: hidden;
	opacity: 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	transition: max-height 0.45s var(--ease-out-expo), opacity 0.35s ease;
}

.case-archive__card:hover .case-archive__card-desc {
	max-height: 4rem;
	opacity: 1;
}

/* Arrow — appears on hover */

.case-archive__card-arrow {
	position: absolute;
	bottom: var(--space-md);
	right: var(--space-md);
	z-index: 3;
	pointer-events: none;
	opacity: 0;
	transform: scale(0.8) translateY(4px);
	transition: opacity 0.3s ease, transform 0.35s var(--ease-out-back);
}

.case-archive__card:hover .case-archive__card-arrow {
	opacity: 1;
	transform: scale(1) translateY(0);
}

.case-archive__card-arrow .hero__cta-circle {
	width: 2.5rem;
	height: 2.5rem;
	background: var(--color-accent);
}

.case-archive__card-arrow .hero__cta-circle svg {
	width: 0.85rem;
	height: 0.85rem;
	stroke: var(--color-bg);
}

/* Hidden state — applied by JS filter */

.case-archive__card[data-hidden] {
	display: none;
}

/* Empty state
   ========================================================================== */

.case-archive__empty {
	text-align: center;
	font-family: var(--font-sans);
	font-weight: var(--fw-light);
	font-size: 1rem;
	color: var(--color-text-dim);
	padding: var(--space-xl) 0;
	max-width: 1280px;
	margin: 0 auto;
}

/* Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
	.case-archive__card,
	.case-archive__card-img,
	.case-archive__card-desc,
	.case-archive__card-arrow,
	.case-archive__card::after {
		transition: none;
	}

	.case-archive__card:hover {
		transform: none;
	}

	.case-archive__card:hover .case-archive__card-desc {
		max-height: 4rem;
		opacity: 1;
	}

	.case-archive__card:hover .case-archive__card-arrow {
		opacity: 1;
		transform: none;
	}
}