/**
 * Case Study detail page — professional layout, readable typography.
 *
 * @package Skavend
 */

.cs-page {
	--cs-green: #062c21;
	--cs-green-2: #0a3d2d;
	--cs-gold: #c19a6b;
	--cs-cream: #f9f7f2;
	--cs-text: #14241e;
	--cs-muted: #5c6560;
	--cs-serif: var(--font-serif, 'Playfair Display', Georgia, serif);
	--cs-sans: var(--font-sans, 'DM Sans', system-ui, sans-serif);
	background: var(--cs-cream);
}

.site-main--case-study {
	background: var(--cs-cream);
	padding: 0 !important;
	margin: 0 !important;
	max-width: none !important;
	width: 100% !important;
	overflow-x: hidden;
}

.cs-shell {
	width: var(--shell-width, 90%);
	max-width: 1180px;
	margin: 0 auto;
}

/* ═══════════════ HERO ═══════════════ */
.cs-detail__hero {
	position: relative;
	isolation: isolate;
	min-height: clamp(440px, 52vh, 580px);
	display: flex;
	align-items: flex-end;
	overflow: hidden;
	padding-top: 0 !important;
	padding-bottom: 0 !important;
}

.cs-detail__hero-bg {
	position: absolute;
	inset: 0;
	background-color: var(--cs-green-2);
	background-image: var(--cs-hero-image);
	background-size: cover;
	background-position: center;
	transform: scale(1.02);
}

.cs-detail__hero-overlay {
	position: absolute;
	inset: 0;
	background:
		linear-gradient(180deg, rgba(6, 35, 28, 0.55) 0%, rgba(6, 35, 28, 0.82) 52%, rgba(4, 22, 17, 0.96) 100%),
		radial-gradient(circle at 18% 20%, rgba(193, 154, 107, 0.12), transparent 42%);
}

.cs-detail__hero-inner {
	position: relative;
	z-index: 1;
	padding: calc(var(--header-offset, 108px) + var(--hero-space, 1.5%)) 0 var(--hero-space, 1.5%);
	color: #f4ece0;
}

.cs-crumbs {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin: 0 0 20px;
	font-family: var(--cs-sans);
	font-size: 13px;
	color: rgba(244, 236, 224, 0.72);
}

.cs-crumbs a {
	color: rgba(244, 236, 224, 0.88);
	text-decoration: none;
}

.cs-crumbs a:hover {
	color: #e2bd80;
	text-decoration: none;
}

.cs-detail__kicker {
	margin: 0 0 12px;
	font-family: var(--cs-sans);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: #e2bd80;
}

.cs-detail__title {
	margin: 0 0 16px;
	max-width: 22ch;
	font-family: var(--cs-serif);
	font-size: clamp(36px, 4.5vw, 56px);
	font-weight: 700;
	line-height: 1.08;
	color: #fff;
}

.cs-detail__intro {
	margin: 0 0 28px;
	max-width: 56ch;
	font-family: var(--cs-sans);
	font-size: clamp(16px, 1.6vw, 19px);
	line-height: 1.65;
	color: rgba(244, 236, 224, 0.92);
}

.cs-detail__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin: 0;
}

.cs-detail__meta-item {
	margin: 0;
	padding: 12px 16px;
	min-width: 120px;
	border-radius: 12px;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.12);
	backdrop-filter: blur(6px);
}

.cs-detail__meta dt {
	margin: 0 0 4px;
	font-family: var(--cs-sans);
	font-size: 10px;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: rgba(244, 236, 224, 0.62);
}

.cs-detail__meta dd {
	margin: 0;
	font-family: var(--cs-sans);
	font-size: 14px;
	font-weight: 600;
	line-height: 1.35;
	color: #fff;
}

.cs-detail__meta a {
	color: #e2bd80;
	text-decoration: none;
}

.cs-detail__meta a:hover {
	color: #fff;
}

/* ═══════════════ METRICS BAR ═══════════════ */
.cs-detail__metrics-bar {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
	gap: 12px;
	margin-top: -28px;
	margin-bottom: 48px;
	position: relative;
	z-index: 2;
}

.cs-detail__metrics-bar-item {
	padding: 20px 22px;
	border-radius: 16px;
	background: #fff;
	border: 1px solid rgba(193, 154, 107, 0.22);
	box-shadow: 0 16px 36px rgba(10, 48, 36, 0.1);
	text-align: center;
}

.cs-detail__metrics-bar-item strong {
	display: block;
	font-family: var(--cs-serif);
	font-size: clamp(28px, 3vw, 36px);
	font-weight: 700;
	line-height: 1;
	color: var(--cs-green-2);
}

.cs-detail__metrics-bar-item span {
	display: block;
	margin-top: 8px;
	font-family: var(--cs-sans);
	font-size: 13px;
	font-weight: 600;
	line-height: 1.4;
	color: var(--cs-muted);
}

/* ═══════════════ BODY LAYOUT ═══════════════ */
.cs-detail__body {
	padding: 8px 0 72px;
}

.cs-detail__layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
	gap: clamp(32px, 4vw, 56px);
	align-items: start;
}

.cs-detail__section {
	margin-bottom: 44px;
	padding-bottom: 44px;
	border-bottom: 1px solid rgba(193, 154, 107, 0.2);
}

.cs-detail__section:last-child {
	margin-bottom: 0;
	padding-bottom: 0;
	border-bottom: none;
}

.cs-detail__section-head {
	display: flex;
	align-items: center;
	gap: 16px;
	margin-bottom: 20px;
}

.cs-detail__section-num {
	flex-shrink: 0;
	display: grid;
	place-items: center;
	width: 42px;
	height: 42px;
	border-radius: 12px;
	background: linear-gradient(145deg, var(--cs-green-2), var(--cs-green));
	font-family: var(--cs-sans);
	font-size: 13px;
	font-weight: 700;
	color: #e2bd80;
}

.cs-detail__section h2 {
	margin: 0;
	font-family: var(--cs-serif);
	font-size: clamp(26px, 2.8vw, 34px);
	font-weight: 700;
	line-height: 1.2;
	color: var(--cs-text);
}

.cs-detail__prose {
	font-family: var(--cs-sans);
	font-size: 17px;
	line-height: 1.75;
	color: var(--cs-muted);
}

.cs-detail__prose p {
	margin: 0 0 1.1em;
}

.cs-detail__prose p:last-child {
	margin-bottom: 0;
}

.cs-detail__prose ul,
.cs-detail__prose ol {
	margin: 0 0 1.1em;
	padding-left: 1.35em;
}

.cs-detail__prose li {
	margin-bottom: 0.45em;
}

.cs-detail__prose strong {
	color: var(--cs-text);
	font-weight: 600;
}

/* ═══════════════ SIDEBAR ═══════════════ */
.cs-detail__aside {
	position: sticky;
	top: calc(var(--header-offset, 108px) + 16px);
	display: grid;
	gap: 18px;
}

.cs-detail__panel {
	padding: 22px 20px;
	border-radius: 18px;
	background: #fff;
	border: 1px solid rgba(193, 154, 107, 0.22);
	box-shadow: 0 12px 28px rgba(10, 48, 36, 0.06);
}

.cs-detail__panel h3 {
	margin: 0 0 16px;
	font-family: var(--cs-sans);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--cs-green-2);
}

.cs-detail__metrics-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.cs-detail__metrics-list li {
	padding: 14px 0;
	border-bottom: 1px solid rgba(193, 154, 107, 0.16);
}

.cs-detail__metrics-list li:last-child {
	border-bottom: none;
	padding-bottom: 0;
}

.cs-detail__metrics-list strong {
	display: block;
	font-family: var(--cs-serif);
	font-size: 30px;
	font-weight: 700;
	line-height: 1;
	color: var(--cs-green-2);
}

.cs-detail__metrics-list span {
	display: block;
	margin-top: 6px;
	font-family: var(--cs-sans);
	font-size: 13px;
	line-height: 1.45;
	color: var(--cs-muted);
}

.cs-detail__chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.cs-detail__chips li {
	display: inline-flex;
	align-items: center;
	padding: 8px 14px;
	border-radius: 999px;
	background: var(--cs-cream);
	border: 1px solid rgba(193, 154, 107, 0.28);
	font-family: var(--cs-sans);
	font-size: 13px;
	font-weight: 600;
	line-height: 1.3;
	color: var(--cs-text);
	white-space: normal;
	word-break: break-word;
}

.cs-detail__cta {
	width: 100%;
	justify-content: center;
	margin-top: 4px;
	text-decoration: none;
}

/* ═══════════════ MORE CASE STUDIES ═══════════════ */
.cs-detail__more {
	padding-top: var(--section-space, 5%) !important;
	padding-bottom: var(--section-space, 5%) !important;
	background: #fff;
	border-top: 1px solid rgba(193, 154, 107, 0.16);
}

.cs-detail__more-head {
	text-align: center;
	margin-bottom: 36px;
}

.cs-detail__more-kicker {
	margin: 0 0 10px;
	font-family: var(--cs-sans);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--cs-gold);
}

.cs-detail__more-head h2 {
	margin: 0;
	font-family: var(--cs-serif);
	font-size: clamp(28px, 3vw, 38px);
	font-weight: 700;
	line-height: 1.2;
	color: var(--cs-text);
}

.cs-detail__more-grid.case-studies-grid {
	display: grid !important;
	grid-template-columns: 1fr !important;
	gap: 20px !important;
	width: 100%;
}

/* Reveal */
.cs-page [data-reveal] {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity 0.55s ease, transform 0.55s ease;
}

.cs-page [data-reveal].is-revealed {
	opacity: 1;
	transform: none;
}

@media (max-width: 960px) {
	.cs-detail__layout {
		grid-template-columns: 1fr;
	}

	.cs-detail__aside {
		position: static;
		grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
		display: grid;
	}

	.cs-detail__metrics-bar {
		margin-top: -20px;
	}

	.cs-detail__hero-inner {
		padding-bottom: 36px;
	}

	.cs-detail__title {
		max-width: none;
	}

	.cs-detail__meta-item {
		flex: 1 1 calc(50% - 12px);
		min-width: 0;
	}

	.cs-detail__metrics-bar {
		grid-template-columns: 1fr 1fr;
	}

	.cs-detail__section-head {
		align-items: flex-start;
	}

	.cs-detail__aside {
		grid-template-columns: 1fr;
	}

	.cs-detail__prose {
		font-size: 16px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.cs-page [data-reveal] {
		opacity: 1;
		transform: none;
		transition: none;
	}
}