/* ============================================================
   Brand Digital — pages/case-study.css
   Work archive (archive-case_study.php) + single case study.
   ============================================================ */

/* ============================================================
   Work archive
   ============================================================ */
.work-archive {
	padding-block: clamp(var(--s-8), 11vw, calc(var(--s-12) + var(--s-4)));
}

.work-archive__inner {
	max-width: 1200px;
	margin-inline: auto;
	padding-inline: var(--s-3);
}

.work-archive__header {
	max-width: 800px;
	margin-bottom: var(--s-8);
}

.work-archive__eyebrow {
	margin-bottom: var(--s-3);
}

.work-archive__title {
	font-size: var(--fs-h1);
	max-width: 22ch;
	margin-bottom: var(--s-3);
}

.work-archive__intro {
	font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
	color: var(--c-text-secondary);
	max-width: 60ch;
	line-height: 1.55;
}

.work-archive__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--s-4);
}

@media (min-width: 800px) {
	.work-archive__list {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--s-5);
	}
}

.work-card {
	display: flex;
	flex-direction: column;
	gap: var(--s-2);
	padding: var(--s-5);
	border: 1px solid var(--c-line);
	border-radius: var(--r-md);
	color: var(--c-ink);
	text-decoration: none;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

.work-card:hover,
.work-card:focus-visible {
	border-color: var(--c-electric-blue);
}

.work-card__eyebrow {
	margin-bottom: var(--s-1);
}

.work-card__client {
	font-family: var(--ff-display);
	font-weight: 400;
	text-transform: uppercase;
	font-size: 1.125rem;
	letter-spacing: var(--tracking-display);
	color: var(--c-text-secondary);
}

.work-card__headline {
	font-size: var(--fs-h3);
	margin-bottom: var(--s-2);
}

.work-card__more {
	display: inline-flex;
	align-items: center;
	gap: var(--s-1);
	font-family: var(--ff-body);
	font-weight: 600;
	font-size: var(--fs-small);
	color: var(--c-electric-blue);
	margin-top: auto;
}

@media (prefers-reduced-motion: reduce) {
	.work-card {
		transition: none;
	}
}

/* ============================================================
   Single case study — section rhythm
   ============================================================ */
.cs-hero,
.cs-block,
.cs-stats,
.cs-quote,
.cs-cta {
	padding-block: clamp(var(--s-8), 11vw, calc(var(--s-12) + var(--s-4)));
}

.cs-hero__inner,
.cs-block__inner,
.cs-stats__inner,
.cs-quote__inner {
	max-width: 1100px;
	margin-inline: auto;
	padding-inline: var(--s-3);
}

/* ============================================================
   Case study hero
   ============================================================ */
.cs-hero {
	padding-block: clamp(var(--s-9), 12vw, var(--s-12));
	border-bottom: 1px solid var(--c-line);
}

.cs-hero__inner {
	max-width: 1000px;
}

.cs-hero__eyebrow {
	margin-bottom: var(--s-3);
}

.cs-hero__client {
	font-family: var(--ff-display);
	font-weight: 400;
	text-transform: uppercase;
	font-size: 1.125rem;
	letter-spacing: var(--tracking-display);
	color: var(--c-text-secondary);
	margin-bottom: var(--s-3);
}

.cs-hero__headline {
	font-size: var(--fs-h1);
	max-width: 24ch;
	margin-bottom: var(--s-3);
}

.cs-hero__lead {
	font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
	color: var(--c-text-secondary);
	max-width: 60ch;
	line-height: 1.55;
	margin-bottom: var(--s-5);
}

.cs-hero__meta {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--s-3);
	margin: 0;
}

@media (min-width: 640px) {
	.cs-hero__meta {
		grid-template-columns: repeat(2, 1fr);
	}
}

.cs-hero__meta-item dt {
	font-size: var(--fs-eyebrow);
	font-weight: 600;
	letter-spacing: var(--tracking-eyebrow);
	text-transform: uppercase;
	color: var(--c-text-secondary);
	margin-bottom: var(--s-1);
}

.cs-hero__meta-item dd {
	margin: 0;
	color: var(--c-ink);
	font-size: 1rem;
	line-height: 1.55;
}

/* ============================================================
   Stat strip — Soft Silver background, big metrics
   ============================================================ */
.cs-stats {
	background-color: var(--c-soft-silver);
}

.cs-stats__grid {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--s-5);
}

@media (min-width: 640px) {
	.cs-stats__grid {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--s-6);
	}
}

@media (min-width: 960px) {
	.cs-stats__grid[data-count="3"] {
		grid-template-columns: repeat(3, 1fr);
	}
	.cs-stats__grid[data-count="4"] {
		grid-template-columns: repeat(4, 1fr);
	}
}

.cs-stat__value {
	font-family: var(--ff-display);
	font-weight: 400;
	font-size: clamp(2.25rem, 5vw, 3.25rem);
	letter-spacing: var(--tracking-display);
	color: var(--c-electric-blue);
	line-height: 1;
	margin-bottom: var(--s-2);
}

.cs-stat__label {
	font-size: var(--fs-small);
	color: var(--c-text-secondary);
	line-height: 1.5;
}

/* ============================================================
   Generic case study block (challenge, results, why)
   ============================================================ */
.cs-block__heading {
	font-size: var(--fs-h2);
	max-width: 28ch;
	margin-bottom: var(--s-5);
}

.cs-block__body {
	font-size: 1.0625rem;
	color: var(--c-ink);
	line-height: 1.65;
	max-width: 70ch;
}

.cs-block__body p {
	margin-bottom: var(--s-3);
}

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

/* ============================================================
   What we did — labeled bullet list
   ============================================================ */
.cs-approach__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--s-3);
	max-width: 70ch;
}

.cs-approach__item {
	font-size: 1.0625rem;
	color: var(--c-ink);
	line-height: 1.65;
	padding-block: var(--s-2);
	border-top: 1px solid var(--c-line);
}

.cs-approach__item:first-child {
	border-top: 0;
	padding-top: 0;
}

.cs-approach__label {
	color: var(--c-ink);
	font-weight: 600;
}

.cs-approach__description {
	color: var(--c-text-secondary);
}

/* ============================================================
   Results — heading, intro, blocks with charts
   ============================================================ */
.cs-results__intro {
	font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
	color: var(--c-text-secondary);
	max-width: 60ch;
	margin-bottom: var(--s-7);
	line-height: 1.55;
}

.cs-results__blocks {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--s-9);
}

.cs-result__heading {
	font-size: var(--fs-h3);
	color: var(--c-ink);
	margin-bottom: var(--s-2);
	max-width: 32ch;
}

.cs-result__body {
	color: var(--c-text-secondary);
	font-size: 1.0625rem;
	line-height: 1.65;
	max-width: 60ch;
	margin-bottom: var(--s-4);
}

.cs-result__figure {
	margin: 0;
	background-color: var(--c-soft-silver);
	border-radius: var(--r-md);
	padding: var(--s-3);
}

.cs-result__chart {
	width: 100%;
	height: auto;
	max-width: 100%;
	display: block;
	border-radius: var(--r-sm);
}

/* ============================================================
   Pull-quote
   ============================================================ */
.cs-quote {
	background-color: var(--c-soft-silver);
}

.cs-quote__inner {
	max-width: 880px;
}

.cs-quote__text {
	margin: 0;
}

.cs-quote__text p {
	font-family: var(--ff-display);
	font-weight: 400;
	letter-spacing: var(--tracking-display);
	font-size: clamp(1.5rem, 3vw, 2rem);
	line-height: 1.25;
	color: var(--c-ink);
	margin: 0 0 var(--s-4);
	max-width: 30ch;
}

.cs-quote__attribution {
	font-style: normal;
	font-size: var(--fs-eyebrow);
	font-weight: 600;
	letter-spacing: var(--tracking-eyebrow);
	text-transform: uppercase;
	color: var(--c-text-secondary);
}

.cs-quote__attribution cite {
	font-style: normal;
}