/*
 * Case study page (1.32.0). Scoped to .si-csd.
 * Layout D (1.36.0): photo banner, results strip, full-width sections, contact form.
 */
.si-csd {
	--si-csd-line: #e4e4ec;
	--si-csd-line-soft: #ececf1;
	--si-csd-bg: #f7f7fa;
	--si-csd-muted: #55576e;
	--si-csd-text: #3c3e57;
	background: var(--si-color-white);
	color: var(--si-color-midnight);
	font-family: var(--si-font-body);
}

.si-csd *,
.si-csd *::before,
.si-csd *::after {
	box-sizing: border-box;
}

.si-csd :where(h1, h2, h3, p, dl, dd, ul, ol, figure, blockquote) {
	margin: 0;
	padding: 0;
}

.si-csd :where(h1, h2, h3) {
	color: var(--si-color-midnight);
	font-family: var(--si-font-display);
	letter-spacing: -0.015em;
	line-height: 1.2;
}

.si-csd-wrap {
	margin: 0 auto;
	max-width: 1248px;
	padding: 0 24px;
}

.si-csd-btn {
	align-items: center;
	background: var(--si-color-red);
	border-radius: 999px;
	color: var(--si-color-white);
	display: inline-flex;
	font: 600 16px/1 var(--si-font-display);
	gap: 10px;
	justify-content: center;
	min-height: 52px;
	padding: 0 26px;
	text-decoration: none;
	transition: background-color 0.2s ease;
}

.si-csd-btn:hover,
.si-csd-btn:focus-visible {
	background: var(--si-color-red-dark);
	color: var(--si-color-white);
}

.si-csd-btn--dark {
	background: var(--si-color-midnight);
	width: 100%;
}

.si-csd-btn--dark:hover,
.si-csd-btn--dark:focus-visible {
	background: #1e1f31;
}

.si-csd a:focus-visible {
	outline: 2px solid var(--si-color-red);
	outline-offset: 3px;
}

/* Banner: the photo fills it, the story's title sits on a navy fade on the left. */
.si-csd-hero {
	align-items: flex-end;
	background: var(--si-color-midnight);
	display: flex;
	isolation: isolate;
	min-height: 640px;
	overflow: hidden;
	position: relative;
}

.si-csd-hero__img {
	height: 100%;
	inset: 0;
	object-fit: cover;
	object-position: center 25%;
	position: absolute;
	width: 100%;
	z-index: -2;
}

.si-csd-hero::after {
	background: linear-gradient(90deg, rgba(29, 30, 48, 0.95) 0%, rgba(43, 44, 67, 0.82) 42%, rgba(43, 44, 67, 0.15) 100%);
	content: "";
	inset: 0;
	position: absolute;
	z-index: -1;
}

.si-csd-hero__inner {
	padding-bottom: 150px;
	padding-top: 96px;
	width: 100%;
}

.si-csd-crumbs {
	align-items: center;
	color: rgba(255, 255, 255, 0.7);
	display: flex;
	flex-wrap: wrap;
	font-size: 15px;
	gap: 8px;
	margin-bottom: 26px;
}

.si-csd-crumbs a {
	color: rgba(255, 255, 255, 0.9);
	text-decoration: none;
}

.si-csd-crumbs a:hover {
	color: var(--si-color-white);
	text-decoration: underline;
}

.si-csd-hero__facts {
	background: rgba(255, 255, 255, 0.95);
	border-radius: 999px;
	color: var(--si-color-midnight);
	display: inline-block;
	font-size: 14px;
	font-weight: 600;
	margin-bottom: 20px;
	padding: 8px 14px;
}

.si-csd .si-csd-hero h1 {
	color: var(--si-color-white);
	font-size: clamp(34px, 4.4vw, 54px);
	font-weight: 700;
	line-height: 1.08;
	margin-bottom: 20px;
	max-width: 760px;
	text-wrap: balance;
}

.si-csd-hero__lead {
	color: rgba(255, 255, 255, 0.85);
	font-size: 19px;
	line-height: 1.6;
	margin-bottom: 32px;
	max-width: 620px;
}

/* Results strip: overlaps the bottom of the banner. */
.si-csd-results {
	margin-top: -86px;
	position: relative;
}

.si-csd-results__grid {
	background: var(--si-color-white);
	border: 1px solid var(--si-csd-line);
	border-radius: 20px;
	box-shadow: 0 30px 60px -30px rgba(43, 44, 67, 0.35);
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

.si-csd-results__grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.si-csd-results__grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.si-csd-results__grid--1 { grid-template-columns: 1fr; }

.si-csd-results__grid > div {
	display: flex;
	flex-direction: column-reverse;
	justify-content: flex-end;
	padding: 28px 30px;
}

.si-csd-results__grid > div + div {
	border-left: 1px solid var(--si-csd-line-soft);
}

.si-csd-results dd {
	color: var(--si-color-midnight);
	font: 800 44px/1 var(--si-font-display);
	letter-spacing: -0.02em;
}

.si-csd-results dd.is-accent {
	color: var(--si-color-red);
}

.si-csd-results dt {
	color: var(--si-csd-muted);
	font-size: 16px;
	line-height: 1.45;
	margin-top: 10px;
}

/* Facts under the results strip: Industry, Location, Engagement... in one line. */
.si-csd-facts {
	display: flex;
	flex-wrap: wrap;
	font-size: 16px;
	gap: 10px 40px;
	margin-top: 26px;
}

.si-csd-facts > div {
	display: flex;
	gap: 8px;
}

.si-csd .si-csd-facts dt {
	color: var(--si-csd-muted);
	font-size: 16px;
	margin: 0;
}

.si-csd .si-csd-facts dd {
	color: var(--si-color-midnight);
	font: 600 16px/1.5 var(--si-font-body);
	letter-spacing: 0;
}

/* Sections run the full width; the middle one sits on a grey band. */
.si-csd-sec {
	padding: 88px 0;
}

.si-csd-sec--band {
	background: var(--si-csd-bg);
}

.si-csd-sec--band + .si-csd-sec,
.si-csd-results + .si-csd-sec {
	padding-top: 88px;
}

.si-csd-eyebrow {
	color: var(--si-color-red);
	font: 700 15px/1.3 var(--si-font-display);
	letter-spacing: 0.08em;
	margin-bottom: 14px;
	text-transform: uppercase;
}

.si-csd .si-csd-sec h2 {
	font-size: clamp(30px, 3.2vw, 40px);
	line-height: 1.15;
	margin-bottom: 18px;
}

.si-csd-lead {
	color: var(--si-csd-text);
	font-size: 18px;
	line-height: 1.7;
}

/* Heading and intro on the left, the content on the right. */
.si-csd-split {
	align-items: flex-start;
	display: flex;
	flex-wrap: wrap;
	gap: 40px 64px;
}

.si-csd-split__head {
	flex: 1 1 340px;
	max-width: 440px;
}

.si-csd-split__body {
	display: grid;
	flex: 2 1 560px;
	gap: 16px;
	min-width: 0;
}

.si-csd-split--head {
	align-items: center;
	margin-bottom: 40px;
}

.si-csd-split--head > :last-child {
	flex: 2 1 520px;
	min-width: 0;
}

.si-csd-photo {
	margin: 0;
}

.si-csd-photo img {
	aspect-ratio: 3 / 2;
	border-radius: 20px;
	display: block;
	height: auto;
	object-fit: cover;
	object-position: center 25%;
	width: 100%;
}

.si-csd-split__head .si-csd-photo {
	margin-top: 32px;
}

.si-csd-photo--head img {
	aspect-ratio: 16 / 9;
}

.si-csd-photo--wide {
	margin: 20px 0;
}

.si-csd-photo--wide img {
	aspect-ratio: auto;
	height: clamp(260px, 32vw, 440px);
	object-position: center 30%;
}

/* The challenge: one grey card per problem, then the impact on navy. */
.si-csd-problem {
	background: var(--si-csd-bg);
	border-radius: 18px;
	padding: 26px 28px;
}

.si-csd .si-csd-problem h3 {
	font-size: 21px;
	margin-bottom: 8px;
}

.si-csd-problem p {
	color: var(--si-csd-text);
	font-size: 17px;
	line-height: 1.65;
}

.si-csd-impact {
	background: var(--si-color-midnight);
	border-radius: 18px;
	color: var(--si-color-white);
	padding: 26px 28px;
}

.si-csd-impact__k {
	color: #ff7d93;
	font: 700 14px/1.3 var(--si-font-display);
	letter-spacing: 0.06em;
	margin-bottom: 8px;
	text-transform: uppercase;
}

.si-csd-impact__v {
	font-size: 18px;
	line-height: 1.6;
}

/* What we did: one white card per step on the grey band. */
.si-csd-steps {
	display: grid;
	gap: 20px;
	list-style: none;
}

.si-csd-step {
	background: var(--si-color-white);
	border-radius: 20px;
	padding: 32px;
}

.si-csd-step__n {
	color: var(--si-color-red);
	font: 800 15px/1 var(--si-font-display);
	margin-bottom: 14px;
}

.si-csd .si-csd-step h3 {
	font-size: 22px;
	margin-bottom: 16px;
}

.si-csd-tiles {
	display: grid;
	gap: 16px;
	grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.si-csd-tile {
	background: var(--si-csd-bg);
	border-radius: 14px;
	padding: 20px 22px;
}

.si-csd-tile dt {
	font: 600 17px/1.35 var(--si-font-display);
	margin-bottom: 8px;
}

.si-csd-tile dd {
	color: var(--si-csd-text);
	font-size: 16px;
	line-height: 1.6;
}

.si-csd-tile dd ul {
	display: grid;
	gap: 8px;
	list-style: none;
}

.si-csd-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.si-csd-chips span {
	background: var(--si-color-white);
	border: 1px solid var(--si-csd-line);
	border-radius: 8px;
	color: var(--si-color-midnight);
	font-size: 15px;
	font-weight: 500;
	line-height: 1.35;
	padding: 6px 12px;
}

.si-csd-points {
	display: grid;
	gap: 16px;
	grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
	list-style: none;
}

.si-csd-points li {
	background: var(--si-csd-bg);
	border-radius: 14px;
	color: var(--si-csd-text);
	font-size: 16px;
	line-height: 1.6;
	padding: 20px 22px;
}

.si-csd-points b {
	color: var(--si-color-midnight);
	display: block;
	font: 600 17px/1.35 var(--si-font-display);
	margin-bottom: 8px;
}

.si-csd-checks {
	display: grid;
	gap: 14px;
	list-style: none;
}

.si-csd-checks li {
	color: var(--si-csd-text);
	display: flex;
	font-size: 17px;
	gap: 12px;
	line-height: 1.65;
}

.si-csd-checks strong {
	color: var(--si-color-midnight);
}

.si-csd-check {
	align-items: center;
	background: #fde6ea;
	border-radius: 50%;
	color: var(--si-color-red);
	display: inline-flex;
	flex: 0 0 24px;
	height: 24px;
	justify-content: center;
	margin-top: 3px;
}

/* The result: heading on the left, the client quote on the right, then the result groups. */
.si-csd .si-csd-quote {
	background: var(--si-color-midnight);
	border-radius: 24px;
	color: var(--si-color-white);
	margin: 0;
	padding: 44px 48px;
}

.si-csd .si-csd-quote::before {
	color: var(--si-color-red);
	content: "\201C";
	display: block;
	font: 800 80px/0.7 var(--si-font-display);
	height: 36px;
	margin-bottom: 16px;
}

.si-csd .si-csd-quote blockquote {
	border: 0;
	margin: 0;
	padding: 0;
}

.si-csd .si-csd-quote blockquote p {
	color: var(--si-color-white);
	font: 600 21px/1.6 var(--si-font-display);
	margin: 0;
}

.si-csd .si-csd-quote figcaption {
	border-top: 1px solid rgba(255, 255, 255, 0.18);
	color: rgba(255, 255, 255, 0.78);
	display: flex;
	flex-direction: column;
	font-size: 15px;
	gap: 4px;
	line-height: 1.5;
	margin-top: 28px;
	padding-top: 22px;
}

.si-csd .si-csd-quote figcaption b {
	color: var(--si-color-white);
	font: 600 17px/1.4 var(--si-font-display);
}

.si-csd-groups {
	display: grid;
	gap: 20px;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.si-csd-group {
	background: var(--si-csd-bg);
	border-radius: 20px;
	padding: 30px 32px;
}

.si-csd .si-csd-group h3 {
	font-size: 21px;
	margin-bottom: 14px;
}

.si-csd-group ul {
	display: grid;
	gap: 12px;
	list-style: none;
}

.si-csd-group li {
	color: var(--si-csd-text);
	font-size: 17px;
	line-height: 1.6;
}

.si-csd-group strong {
	color: var(--si-color-midnight);
}

/* Contact form: the theme's lead form, on the light grey band. */
.si-csd-contact {
	padding: 72px 0;
}

.si-csd-contact .si-lead-box {
	margin: 0;
}

@media (max-width: 1024px) {
	.si-csd-hero {
		min-height: 560px;
	}

	.si-csd-hero::after {
		background: linear-gradient(180deg, rgba(43, 44, 67, 0.35) 0%, rgba(29, 30, 48, 0.94) 60%);
	}

	.si-csd-results__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.si-csd-results__grid > div:nth-child(3) {
		border-left: 0;
	}

	.si-csd-results__grid > div:nth-child(n+3) {
		border-top: 1px solid var(--si-csd-line-soft);
	}

	.si-csd-split__head {
		max-width: none;
	}
}

@media (max-width: 760px) {
	.si-csd-groups {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 640px) {
	.si-csd-hero__inner {
		padding-bottom: 120px;
		padding-top: 64px;
	}

	.si-csd-hero__lead {
		font-size: 17px;
	}

	.si-csd-btn {
		width: 100%;
	}

	.si-csd-results__grid > div {
		padding: 20px 18px;
	}

	.si-csd-results dd {
		font-size: 32px;
	}

	.si-csd-results dt {
		font-size: 15px;
	}

	.si-csd-facts {
		display: grid;
		gap: 8px;
		grid-template-columns: 1fr;
	}

	.si-csd-sec,
	.si-csd-sec--band + .si-csd-sec,
	.si-csd-results + .si-csd-sec {
		padding: 56px 0;
	}

	.si-csd-split {
		gap: 28px;
	}

	.si-csd-split--head {
		margin-bottom: 28px;
	}

	.si-csd-split__head .si-csd-photo {
		margin-top: 24px;
	}

	.si-csd-problem,
	.si-csd-impact {
		padding: 22px 20px;
	}

	.si-csd-step {
		padding: 24px 20px;
	}

	.si-csd-tile,
	.si-csd-points li {
		padding: 18px;
	}

	.si-csd .si-csd-quote {
		border-radius: 20px;
		padding: 36px 24px 28px;
	}

	.si-csd .si-csd-quote blockquote p {
		font-size: 18px;
	}

	.si-csd-group {
		padding: 24px 20px;
	}

	.si-csd-contact {
		padding: 48px 0 56px;
	}

	.si-csd-contact .si-csd-wrap {
		padding: 0 12px;
	}
}