/* ============================================================
   CASE STUDY — page wrapper and container override
   ============================================================ */

.cs-page {
	padding-top: 80px;
}

.cs-page .container {
	max-width: 960px;
}


/* ============================================================
   HERO
   ============================================================ */

.cs-hero {
	padding: var(--space-xl) 0 var(--space-lg);
	border-bottom: 1px solid var(--color-border);
}

.cs-eyebrow {
	font-family: var(--font-sans);
	font-size: 0.75rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.15em;
	color: var(--color-ink-muted);
	margin: 0 0 var(--space-sm);
}

.cs-hero h1 {
	font-family: var(--font-display);
	font-size: clamp(2.5rem, 7vw, 4.5rem);
	font-weight: 300;
	font-optical-sizing: auto;
	letter-spacing: -1.5px;
	color: var(--color-ink);
	line-height: 1.05;
	margin: 0 0 var(--space-xs);
}

.cs-hero-subtitle {
	font-size: 1rem;
	color: var(--color-ink-muted);
	margin: 0 0 var(--space-md);
}

.cs-hero-outcome {
	font-size: 1.1rem;
	line-height: 1.65;
	color: var(--color-ink);
	max-width: 640px;
	margin: 0 0 var(--space-md);
}

/* Override the top margin that btn-primary carries from portfolio.css */
.cs-hero .btn-primary {
	margin-top: 0;
}


/* ============================================================
   META STRIP
   ============================================================ */

.cs-meta {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-md);
	padding: var(--space-lg) 0;
	border-bottom: 1px solid var(--color-border);
}

.cs-meta-item {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.cs-meta-label {
	font-size: 0.7rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--color-ink-muted);
}

.cs-meta-value {
	font-size: 1rem;
	color: var(--color-ink);
}


/* ============================================================
   SECTIONS — two-column label / body layout
   ============================================================ */

.cs-section {
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: var(--space-lg);
	padding: var(--space-lg) 0;
	border-bottom: 1px solid var(--color-border);
	align-items: start;
}

.cs-section-label {
	font-family: var(--font-display);
	font-size: 1.1rem;
	font-weight: 600;
	font-optical-sizing: auto;
	color: var(--color-ink);
	margin: 0;
	padding-top: 5px;
	position: sticky;
	top: 100px;
}

.cs-section-body p {
	font-size: 1rem;
	line-height: 1.8;
	color: var(--color-ink);
	margin: 0 0 1.25rem;
}

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

.cs-section-body h4 {
	font-size: 0.7rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--color-accent);
	margin: 1.75rem 0 0.5rem;
}

.cs-section-body h4:first-child {
	margin-top: 0;
}


/* ============================================================
   INSIGHTS / METRICS
   ============================================================ */

.cs-metrics {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-lg);
	margin-top: var(--space-md);
}

.cs-metric-era {
	display: block;
	font-size: 0.7rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--color-ink-muted);
	margin-bottom: 1.25rem;
}

.cs-metric-scores {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.25rem 1rem;
}

.cs-metric-item {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
}

.cs-metric-value {
	font-family: var(--font-display);
	font-size: 2.75rem;
	font-weight: 300;
	font-optical-sizing: auto;
	color: var(--color-ink);
	line-height: 1;
}

.cs-metric-name {
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--color-ink-muted);
}


/* ============================================================
   SELECTED SCREENS
   ============================================================ */

.cs-screens {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--space-md);
}

.cs-screens img {
	width: 100%;
	display: block;
	border-radius: var(--radius-md);
	border: 1px solid var(--color-border);
	background-color: var(--color-surface);
	aspect-ratio: 16 / 10;
	object-fit: cover;
}


/* ============================================================
   CLOSING CTA
   ============================================================ */

.cs-cta {
	padding: var(--space-xl) 0 var(--space-lg);
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.75rem;
}

.cs-cta p {
	font-size: 1rem;
	color: var(--color-ink-muted);
	margin: 0;
}

.cs-cta a {
	font-family: var(--font-display);
	font-size: clamp(1.25rem, 3vw, 1.75rem);
	font-weight: 300;
	font-optical-sizing: auto;
	color: var(--color-ink);
	text-decoration: none;
	border-bottom: 2px solid var(--color-accent);
	padding-bottom: 3px;
	transition: all var(--transition-default);
}

.cs-cta a:hover {
	border-bottom-color: var(--color-ink);
}


.cs-back {
	display: flex;
	gap: 1rem;
	margin-top: 3rem;
	align-items: center;
}

.cs-back .btn-primary {
	margin-top: 0;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
	.cs-meta {
		grid-template-columns: repeat(2, 1fr);
	}

	.cs-section {
		grid-template-columns: 1fr;
		gap: var(--space-sm);
	}

	.cs-section-label {
		position: static;
	}

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

@media (max-width: 480px) {
	.cs-meta {
		grid-template-columns: 1fr;
	}
}