/**
 * Case Study single + archive styles.
 * Uses the COINS brand palette for visual continuity.
 */

:root {
	--cs-cream: #f7f4ee;
	--cs-cream-deep: #ede8dc;
	--cs-navy: #002a54;
	--cs-navy-soft: #1d3f66;
	--cs-cyan: #00afef;
	--cs-ink: #0a1a2e;
	--cs-mute: #5a6b80;
	--cs-line: rgba(0, 42, 84, 0.12);
}

.case-study,
.case-study-archive {
	background: var(--cs-cream);
	color: var(--cs-ink);
	font-family: 'Varela Round', sans-serif;
}

.case-study__eyebrow {
	text-transform: uppercase;
	font-size: 12px;
	letter-spacing: 0.12em;
	color: var(--cs-mute);
	margin: 0 0 1rem;
}
.case-study__eyebrow a { color: inherit; text-decoration: none; }
.case-study__eyebrow a:hover { color: var(--cs-navy); }

.case-study__eyebrow--num span {
	background: var(--cs-cyan);
	color: var(--cs-navy);
	padding: 0.2rem 0.55rem;
	border-radius: 4px;
	margin-right: 0.5rem;
	font-weight: 700;
}

.case-study__section {
	padding: 4rem 5%;
	max-width: 1200px;
	margin: 0 auto;
}

/* Two-column layout (main + sidebar) */
.case-study__layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 3rem;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 5%;
	align-items: start;
}
.case-study__main > .case-study__section {
	padding-left: 0;
	padding-right: 0;
	max-width: none;
}
.case-study__main > .case-study__section:first-child { padding-top: 4rem; }

.case-study__sidebar {
	padding-top: 4rem;
}
.case-study__sidebar-sticky {
	position: sticky;
	top: 2rem;
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.case-study__facts {
	background: #fff;
	border: 1px solid var(--cs-line);
	border-radius: 8px;
	padding: 1.5rem;
}
.case-study__facts-eyebrow {
	font-size: 0.72rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--cs-mute);
	margin: 0 0 1rem;
	font-weight: 600;
}
.case-study__facts-list {
	margin: 0;
	padding: 0;
}
.case-study__facts-row {
	display: grid;
	grid-template-columns: 60px 1fr;
	gap: 0.5rem;
	padding: 0.6rem 0;
	border-top: 1px solid var(--cs-line);
	font-size: 14px;
}
.case-study__facts-row:first-child { border-top: 0; padding-top: 0; }
.case-study__facts-row dt {
	color: var(--cs-mute);
	text-transform: uppercase;
	font-size: 11px;
	letter-spacing: 0.08em;
	margin: 0;
	padding-top: 2px;
}
.case-study__facts-row dd {
	margin: 0;
	color: var(--cs-navy);
	font-weight: 500;
}
.case-study__facts-stats {
	list-style: none;
	margin: 1.25rem 0 0;
	padding: 1.25rem 0 0;
	border-top: 1px solid var(--cs-line);
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}
.case-study__facts-stats li { text-align: center; }
.case-study__facts-stat-value {
	display: block;
	font-size: 1.5rem;
	color: var(--cs-cyan);
	font-weight: 700;
	line-height: 1.1;
}
.case-study__facts-stat-label {
	display: block;
	margin-top: 0.25rem;
	color: var(--cs-mute);
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.06em;
}

.case-study__side-cta {
	background: var(--cs-navy);
	color: #fff;
	border-radius: 8px;
	padding: 1.5rem;
}
.case-study__side-cta-eyebrow {
	font-size: 1rem;
	margin: 0 0 0.5rem;
	color: #fff;
	font-weight: 600;
}
.case-study__side-cta-body {
	margin: 0 0 1.25rem;
	font-size: 14px;
	color: rgba(255, 255, 255, 0.85);
	line-height: 1.5;
}
.case-study__side-cta-btn {
	display: inline-block;
	background: var(--cs-cyan);
	color: var(--cs-navy);
	padding: 0.7rem 1.25rem;
	border-radius: 999px;
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	font-weight: 700;
	text-decoration: none;
	transition: background 0.2s ease;
}
.case-study__side-cta-btn:hover { background: #fff; }

.case-study__side-more {
	background: #fff;
	border: 1px solid var(--cs-line);
	border-radius: 8px;
	padding: 1.5rem;
}
.case-study__side-more-eyebrow {
	font-size: 0.72rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--cs-mute);
	margin: 0 0 1rem;
	font-weight: 600;
}
.case-study__side-more ul {
	list-style: none;
	margin: 0;
	padding: 0;
}
.case-study__side-more li {
	border-top: 1px solid var(--cs-line);
}
.case-study__side-more li:first-child { border-top: 0; }
.case-study__side-more a {
	display: block;
	padding: 0.85rem 0;
	text-decoration: none;
	color: var(--cs-navy);
}
.case-study__side-more a:hover .case-study__side-more-title { color: var(--cs-cyan); }
.case-study__side-more-meta {
	display: block;
	font-size: 11px;
	color: var(--cs-mute);
	text-transform: uppercase;
	letter-spacing: 0.06em;
	margin-bottom: 0.3rem;
}
.case-study__side-more-title {
	display: block;
	font-size: 14px;
	line-height: 1.35;
	transition: color 0.2s ease;
}

@media (max-width: 900px) {
	.case-study__layout {
		grid-template-columns: 1fr;
		gap: 2rem;
	}
	.case-study__sidebar { padding-top: 0; }
	.case-study__sidebar-sticky { position: static; }
}

.case-study__prose p { margin: 0 0 1em; max-width: 65ch; }
.case-study__prose ul,
.case-study__prose ol { margin: 0 0 1em 1.25em; max-width: 65ch; }
.case-study__prose li { margin-bottom: 0.5rem; }

/* ---------- Single: Hero ---------- */
.case-study__hero {
	position: relative;
	min-height: 360px;
	color: #fff;
	background: var(--cs-navy);
	overflow: hidden;
}
.case-study__hero--no-image { min-height: 420px; }
.case-study__hero-pattern {
	position: absolute;
	inset: 0;
	background:
		radial-gradient(ellipse at 75% 20%, rgba(0, 175, 239, 0.22) 0%, transparent 55%),
		radial-gradient(ellipse at 15% 90%, rgba(0, 175, 239, 0.12) 0%, transparent 50%),
		linear-gradient(135deg, var(--cs-navy) 0%, var(--cs-navy-soft) 100%);
}
.case-study__hero-media {
	position: absolute;
	inset: 0;
}
.case-study__hero-image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.case-study__hero-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(0, 42, 84, 0.55) 0%, rgba(0, 42, 84, 0.85) 100%);
}
.case-study__hero-inner {
	position: relative;
	z-index: 1;
	padding: 7rem 5% 4rem;
	max-width: 1200px;
	margin: 0 auto;
}
.case-study__hero-inner .case-study__eyebrow { color: rgba(255, 255, 255, 0.85); }
.case-study__hero-inner .case-study__eyebrow a { color: inherit; }
.case-study__title {
	font-size: clamp(2rem, 4vw, 3rem);
	line-height: 1.15;
	margin: 0 0 1.25rem;
	max-width: 22ch;
}
.case-study__meta {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 0.75rem;
	align-items: center;
}
.case-study__sector-pill a {
	display: inline-block;
	padding: 0.35rem 0.85rem;
	background: rgba(255, 255, 255, 0.12);
	border: 1px solid rgba(255, 255, 255, 0.3);
	border-radius: 999px;
	color: #fff;
	text-decoration: none;
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
}
.case-study__sector-pill a:hover { background: rgba(255, 255, 255, 0.2); }
.case-study__year {
	color: rgba(255, 255, 255, 0.85);
	font-size: 13px;
	letter-spacing: 0.05em;
}

/* ---------- Client ---------- */
.case-study__client-row {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	flex-wrap: wrap;
}
.case-study__client-logo {
	max-height: 64px;
	width: auto;
}
.case-study__client-name {
	font-size: 18px;
	color: var(--cs-navy);
	margin: 0;
	font-weight: 600;
}

/* ---------- Challenge / Solution / Results — stacked ---------- */
.case-study__csr-stack {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}
.case-study__csr-block {
	background: #fff;
	border: 1px solid var(--cs-line);
	border-left: 4px solid var(--cs-cyan);
	padding: 1.75rem 2rem;
	border-radius: 6px;
}
.case-study__csr-step {
	font-size: 0.7rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--cs-cyan);
	font-weight: 700;
	margin: 0 0 0.35rem;
}
.case-study__csr-block h2 {
	font-size: 1.4rem;
	color: var(--cs-navy);
	margin: 0 0 0.85rem;
	font-family: 'Fraunces', Georgia, serif;
	font-style: italic;
	font-weight: 400;
}
.case-study__csr-block .case-study__prose p {
	max-width: none;
	text-align: justify;
	hyphens: auto;
}

/* ---------- Stats ---------- */
.case-study__stats-grid {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 1rem;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 1100px) {
	.case-study__stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.case-study__stat {
	background: var(--cs-navy);
	color: #fff;
	padding: 1.75rem 1.5rem;
	border-radius: 8px;
	text-align: center;
}
.case-study__stat-value {
	display: block;
	font-size: clamp(1.75rem, 3vw, 2.5rem);
	font-weight: 700;
	color: var(--cs-cyan);
	line-height: 1.1;
	margin-bottom: 0.4rem;
}
.case-study__stat-label {
	display: block;
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: rgba(255, 255, 255, 0.85);
}

/* ---------- Testimonial ---------- */
.case-study__testimonial {
	background: var(--cs-cream-deep);
	border-radius: 8px;
	padding: 2.5rem 2rem !important;
	position: relative;
}
.case-study__testimonial {
	padding-top: 4rem !important;
}
.case-study__testimonial::before {
	content: "\201C";
	position: absolute;
	top: 1.5rem;
	left: 2rem;
	font-family: 'Fraunces', Georgia, serif;
	font-size: 4.5rem;
	line-height: 0.6;
	color: var(--cs-cyan);
	opacity: 0.85;
}
.case-study__quote {
	margin: 0;
	padding: 0;
	font-size: clamp(1.125rem, 1.6vw, 1.4rem);
	line-height: 1.5;
	color: var(--cs-navy);
	font-family: 'Fraunces', Georgia, serif;
	font-style: italic;
	font-weight: 400;
}
.case-study__quote p { margin: 0 0 1.25rem; }
.case-study__quote p { margin: 0 0 1.5rem; }
.case-study__quote footer { font-size: 14px; color: var(--cs-mute); }
.case-study__quote-author {
	font-style: normal;
	font-weight: 700;
	color: var(--cs-navy);
	margin-right: 0.5rem;
}

/* ---------- Related ---------- */
.case-study__related-grid {
	display: grid;
	gap: 1.5rem;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.case-study__related-card {
	display: block;
	background: #fff;
	border: 1px solid var(--cs-line);
	border-radius: 8px;
	overflow: hidden;
	text-decoration: none;
	color: var(--cs-ink);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.case-study__related-card:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 24px rgba(0, 42, 84, 0.08);
}
.case-study__related-image {
	width: 100%;
	height: 160px;
	object-fit: cover;
	display: block;
}
.case-study__related-card h3 {
	margin: 0;
	padding: 1rem 1.25rem 1.25rem;
	font-size: 1.05rem;
	color: var(--cs-navy);
}

/* ---------- Single CTA ---------- */
.case-study__cta {
	text-align: center;
	background: var(--cs-navy);
	color: #fff;
	max-width: none;
}
.case-study__cta h2 { color: #fff; margin: 0 0 1.5rem; }
.case-study__cta-btn {
	display: inline-block;
	background: var(--cs-cyan);
	color: var(--cs-navy);
	padding: 0.9rem 1.75rem;
	border-radius: 999px;
	font-size: 14px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	text-decoration: none;
	font-weight: 600;
}
.case-study__cta-btn:hover { background: #fff; }

/* ---------- Archive: COINS-style banner ---------- */
.case-study-archive em {
	font-family: 'Fraunces', Georgia, serif;
	font-style: italic;
	font-weight: 400;
	font-feature-settings: "ss01" on;
}

.case-study-archive__hero {
	position: relative;
	background: var(--cs-navy);
	color: #fff;
	overflow: hidden;
	min-height: 520px;
	display: flex;
	align-items: flex-end;
}
.case-study-archive__hero-overlay {
	position: absolute;
	inset: 0;
	background:
		radial-gradient(ellipse at 70% 0%, rgba(0, 175, 239, 0.18) 0%, transparent 60%),
		linear-gradient(180deg, rgba(0, 30, 60, 0.5) 0%, rgba(0, 42, 84, 0.95) 100%);
	pointer-events: none;
}
.case-study-archive__hero-inner {
	position: relative;
	z-index: 1;
	max-width: 1160px;
	margin: 0 auto;
	padding: 9rem 1.5rem 4rem;
	width: 100%;
	box-sizing: border-box;
}

.case-study-archive__eyebrow {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.72rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.85);
	margin: 0 0 1.5rem;
	font-weight: 400;
}
.case-study-archive__eyebrow::before {
	content: "";
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--cs-cyan);
	display: inline-block;
}
.case-study-archive__eyebrow-num {
	color: rgba(255, 255, 255, 0.55);
	font-feature-settings: "tnum" on;
}

.case-study-archive__title {
	font-size: clamp(2.25rem, 5vw, 4rem);
	font-weight: 400;
	line-height: 1.05;
	letter-spacing: -0.015em;
	margin: 0 0 1.25rem;
	max-width: 22ch;
	color: #fff;
}
.case-study-archive__sub {
	font-size: 1.0625rem;
	max-width: 60ch;
	margin: 0 0 2.25rem;
	opacity: 0.9;
}

/* Search */
.case-study-archive__search {
	display: flex;
	max-width: 720px;
	margin: 0 0 1.75rem;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.25);
	border-radius: 999px;
	overflow: hidden;
	backdrop-filter: blur(8px);
}
.case-study-archive__search-input {
	flex: 1;
	background: transparent;
	border: 0;
	padding: 1.6rem 2.25rem;
	color: #fff;
	font: inherit;
	font-size: 1.0625rem;
	outline: none;
}
.case-study-archive__search-input::placeholder { color: rgba(255, 255, 255, 0.6); }
.case-study-archive__search-input:focus { background: rgba(255, 255, 255, 0.05); }
.case-study-archive__search-btn {
	background: var(--cs-cyan);
	color: var(--cs-navy);
	border: 0;
	padding: 0 3rem;
	font: inherit;
	font-size: 14px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	font-weight: 700;
	cursor: pointer;
	transition: background 0.2s ease;
}
.case-study-archive__search-btn:hover { background: #fff; }

/* Filter pills */
.case-study-archive__filters {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}
.case-study-archive__filter {
	display: inline-block;
	padding: 0.45rem 1rem;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.3);
	background: rgba(255, 255, 255, 0.06);
	color: #fff;
	text-decoration: none;
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.case-study-archive__filter:hover {
	background: rgba(255, 255, 255, 0.12);
	border-color: rgba(255, 255, 255, 0.5);
}
.case-study-archive__filter.is-active {
	background: var(--cs-cyan);
	color: var(--cs-navy);
	border-color: var(--cs-cyan);
	font-weight: 600;
}

.case-study-archive__clear {
	margin: 0.25rem 0 0;
	font-size: 13px;
}
.case-study-archive__clear a {
	color: rgba(255, 255, 255, 0.75);
	text-decoration: none;
	border-bottom: 1px dotted rgba(255, 255, 255, 0.4);
	padding-bottom: 1px;
}
.case-study-archive__clear a:hover { color: #fff; }

.case-study-archive__card-media--placeholder {
	background:
		linear-gradient(135deg, var(--cs-navy) 0%, var(--cs-navy-soft) 100%);
	height: 200px;
	position: relative;
}
.case-study-archive__card-media--placeholder::after {
	content: "";
	position: absolute;
	inset: 0;
	background:
		radial-gradient(circle at 80% 30%, rgba(0, 175, 239, 0.35) 0%, transparent 50%);
}

.case-study-archive__empty-link {
	display: inline-block;
	margin-top: 0.5rem;
	color: var(--cs-navy);
	font-weight: 600;
}

@media (max-width: 600px) {
	.case-study-archive__hero-inner { padding: 7rem 1.25rem 3rem; }
	.case-study-archive__search { flex-direction: row; }
}

.case-study-archive__grid {
	display: grid;
	gap: 2rem;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	max-width: 1200px;
	margin: 0 auto;
	padding: 4rem 5%;
}
@media (max-width: 700px) {
	.case-study-archive__grid { grid-template-columns: 1fr; }
}
.case-study-archive__card {
	background: #fff;
	border: 1px solid var(--cs-line);
	border-radius: 8px;
	overflow: hidden;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.case-study-archive__card:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 28px rgba(0, 42, 84, 0.1);
}
.case-study-archive__card-link {
	display: block;
	text-decoration: none;
	color: inherit;
}
.case-study-archive__card-media img {
	width: 100%;
	height: 200px;
	object-fit: cover;
	display: block;
}
.case-study-archive__card-body {
	padding: 1.5rem;
}
.case-study-archive__card-sectors {
	color: var(--cs-mute);
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	margin: 0 0 0.5rem;
}
.case-study-archive__card-title {
	color: var(--cs-navy);
	margin: 0 0 0.75rem;
	font-size: 1.25rem;
}
.case-study-archive__card-excerpt {
	color: var(--cs-mute);
	font-size: 14px;
	margin: 0 0 1rem;
}
.case-study-archive__card-arrow {
	color: var(--cs-cyan);
	font-weight: 600;
	font-size: 14px;
}

.case-study-archive__pagination {
	padding: 0 5% 4rem;
	text-align: center;
}
.case-study-archive__pagination .page-numbers {
	display: inline-block;
	padding: 0.4rem 0.85rem;
	margin: 0 0.15rem;
	border: 1px solid var(--cs-line);
	color: var(--cs-navy);
	text-decoration: none;
	border-radius: 4px;
}
.case-study-archive__pagination .page-numbers.current {
	background: var(--cs-navy);
	color: #fff;
	border-color: var(--cs-navy);
}

.case-study-archive__empty {
	text-align: center;
	padding: 4rem 5%;
	color: var(--cs-mute);
}