/* ═══════════════════════════════════════════════════════════════════════════
   CASE STUDIES PAGE — CONTENT (filter bar, featured, grid)
   ═══════════════════════════════════════════════════════════════════════════ */

.cases-content {
	padding: calc(var(--ci-section-padding) / 2) 0 var(--ci-section-padding);
	background-color: var(--ci-color-white);
}

/* ── Filter bar ─────────────────────────────────────────────────────────── */

.cases-filter {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding: 1.25rem 0;
	border-top: 1px solid var(--ci-color-border);
	border-bottom: 1px solid var(--ci-color-border);
	margin-bottom: 2.5rem;
}

.cases-filter__buttons {
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.cases-filter__btn {
	font-family: var(--ci-font-primary);
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--ci-color-text-muted);
	background: none;
	border: 1px solid var(--ci-color-border);
	border-radius: 9999px;
	padding: 0.45rem 1rem;
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

/* Per-button hover and active states — generic fallback for any category slug */
.cases-filter__btn:hover,
.cases-filter__btn.is-active {
	background-color: #253d47;
	border-color: #253d47;
	color: var(--ci-color-white);
}

/* Known-slug overrides */
.cases-filter__btn[data-filter="all"]:hover,
.cases-filter__btn[data-filter="all"].is-active {
	background-color: #253d47;
	border-color: #253d47;
	color: var(--ci-color-white);
}

.cases-filter__btn[data-filter="uk-independent"]:hover,
.cases-filter__btn[data-filter="uk-independent"].is-active {
	background-color: #c6a54e;
	border-color: #c6a54e;
	color: var(--ci-color-white);
}

.cases-filter__btn[data-filter="middle-east"]:hover,
.cases-filter__btn[data-filter="middle-east"].is-active {
	background-color: #751a3b;
	border-color: #751a3b;
	color: var(--ci-color-white);
}

.cases-filter__testimonials-link {
	font-size: 0.875rem;
	font-weight: 600;
	color: #c6a54e;
	text-decoration: none;
	white-space: nowrap;
	transition: opacity 0.15s ease;
	flex-shrink: 0;
}

.cases-filter__testimonials-link:hover {
	opacity: 0.7;
}

/* ── Featured case study ────────────────────────────────────────────────── */

.cases-featured {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0;
	border: none;
	border-radius: 6px;
	overflow: hidden;
	margin-bottom: 2.5rem;
	background-color: #253d47;
}

.cases-featured__image {
	width: 100%;
	height: 100%;
	min-height: 360px;
	object-fit: cover;
	display: block;
}

.cases-featured__image-placeholder {
	width: 100%;
	height: 100%;
	min-height: 360px;
	background-color: var(--ci-color-light-bg);
	border-right: 1px dashed var(--ci-color-border);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--ci-color-text-muted);
	font-size: 0.875rem;
	font-family: var(--ci-font-primary);
}

.cases-featured__content {
	padding: 2.5rem;
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 1rem;
}

.cases-featured__meta {
	display: flex;
	align-items: center;
	gap: 0.6rem;
}

.cases-featured__badge {
	font-size: 0.725rem;
	font-weight: 700;
	text-transform: none;
	letter-spacing: 0.04em;
	color: var(--ci-color-white);
	background-color: #c6a54e;
	padding: 0.25rem 0.65rem;
	border-radius: 9999px;
}

/* Featured meta tag — pill matching filter colours */
.cases-featured__tag {
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 700;
	text-transform: none;
	letter-spacing: 0;
	color: var(--ci-color-white);
	border-radius: 9999px;
	padding: 0.25rem 0.75rem;
}

/* Generic fallback — any unknown slug */
.cases-featured__tag             { background-color: #253d47; }
/* Known-slug overrides */
.cases-featured__tag--uk-independent { background-color: #c6a54e; }
.cases-featured__tag--middle-east    { background-color: #751a3b; }

.cases-featured__school {
	font-family: var(--ci-font-primary);
	font-size: clamp(1.2rem, 2vw, 1.6rem);
	font-weight: 700;
	color: #c6a54e;
	margin: 0;
	line-height: 1.25;
}

.cases-featured__quote {
	font-size: 1rem;
	font-style: italic;
	line-height: 1.75;
	color: rgba(255, 255, 255, 0.88);
	margin: 0;
	padding: 0;
	border: none;
}

.cases-featured__attribution {
	font-size: 0.875rem;
	font-weight: 600;
	color: rgba(255, 255, 255, 0.6);
	margin: 0;
}

.cases-featured__link {
	font-size: 0.9rem;
	font-weight: 700;
	color: #c6a54e;
	text-decoration: none;
	transition: opacity 0.15s ease;
	align-self: flex-start;
}

.cases-featured__link:hover {
	opacity: 0.7;
}

/* ── Case study grid ────────────────────────────────────────────────────── */

.cases-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.5rem;
}

.case-card {
	position: relative;
	border-radius: 20px;
	overflow: hidden;
	box-shadow:
		0 4px 16px rgba(0, 0, 0, 0.10),
		0 1px  4px rgba(0, 0, 0, 0.06);
	transition: box-shadow 0.3s ease, transform 0.3s ease;
	cursor: pointer;
	font-size: 0;
	line-height: 0;
	/* Height driven entirely by the image — no panel below */
	display: block;
}

.case-card:hover {
	box-shadow:
		0 12px 40px rgba(0, 0, 0, 0.18),
		0  4px 12px rgba(0, 0, 0, 0.10);
	transform: translateY(-2px);
}

/* Full-card clickable overlay — sits above glass panel */
.case-card__cover-link {
	position: absolute;
	inset: 0;
	z-index: 3;
}

/* Photo — fills the full card */
.case-card__image {
	width: 100%;
	height: 320px;
	object-fit: cover;
	display: block;
}

.case-card__image-placeholder {
	width: 100%;
	height: 320px;
	background-color: #253d47;
	display: flex;
	align-items: center;
	justify-content: center;
	color: rgba(255,255,255,0.4);
	font-size: 0.7rem;
	line-height: 1.4;
	font-family: var(--ci-font-primary);
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

/* ── Glass caption bar — floats over the bottom of the photo ── */
.case-card__details {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 2;
	padding: 1.25rem 1.5rem 1.5rem;
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	font-size: 1rem;
	line-height: 1.4;

	/* Frosted glass over the photo */
	background: rgba(180, 180, 180, 0.22);
	backdrop-filter: blur(24px) saturate(80%) brightness(0.95);
	-webkit-backdrop-filter: blur(24px) saturate(80%) brightness(0.95);
	border-top: 1px solid rgba(255, 255, 255, 0.25);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.40);
}

/* Faint top-left sheen on the glass panel */
.case-card__details::before {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(
		145deg,
		rgba(255, 255, 255, 0.10) 0%,
		rgba(255, 255, 255, 0.00) 50%
	);
	pointer-events: none;
}

/* Category label */
.case-card__tag {
	font-family: var(--ci-font-primary);
	font-size: 0.7rem;
	font-weight: 600;
	color: rgba(255, 255, 255, 0.65);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	background: none;
	border: none;
	padding: 0;
	align-self: flex-start;
	position: relative;
	z-index: 1;
}

/* Title */
.case-card__name {
	font-family: var(--ci-font-primary);
	font-size: 1.15rem;
	font-weight: 700;
	color: #ffffff;
	margin: 0;
	line-height: 1.3;
	position: relative;
	z-index: 1;
}


/* Hidden state when filtered out */
.case-card.is-hidden,
.cases-featured.is-hidden {
	display: none;
}

/* ── Mobile ── */
@media (max-width: 767px) {
	.cases-content {
		padding-bottom: var(--ci-section-padding-mobile);
	}

	.cases-filter {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.75rem;
	}

	.cases-featured {
		grid-template-columns: 1fr;
	}

	.cases-featured__image {
		min-height: 220px;
	}

	.cases-featured__image-placeholder {
		min-height: 220px;
		border-right: none;
		border-bottom: 1px dashed var(--ci-color-border);
	}

	.cases-featured__content {
		padding: 1.5rem;
	}

	.cases-grid {
		grid-template-columns: 1fr;
		gap: 1rem;
	}

	.case-card__image,
	.case-card__image-placeholder {
		height: 260px;
	}

	.case-card__details {
		padding: 1rem 1.25rem 1.25rem;
	}

	.case-card__name {
		font-size: 1rem;
	}
}