/**
 * Qaiyo Case Study — front-end styles.
 * Follows the Qaiyo Design System: brand accent #6c5ce7 with the v2 slate tokens.
 * The type family is inherited from the active theme.
 */

.qcst-case-study {
	--qcst-accent: #6c5ce7;
	--qcst-accent-hover: #5a4bd1;
	--qcst-accent-light: rgba(108, 92, 231, 0.08);
	--qcst-dark: #0f172a;
	--qcst-text: #0f172a;
	--qcst-muted: #64748b;
	--qcst-border: #e2e8f0;
	--qcst-border-soft: #f1f5f9;
	--qcst-card: #ffffff;
	color: var(--qcst-text);
}

.qcst-case-study * {
	box-sizing: border-box;
}

/* Screen-reader-only (chart a11y table) */
.qcst-sr-only {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* -------------------------------------------------------------------------
 * Snapshot box
 * ---------------------------------------------------------------------- */
.qcst-snapshot {
	background: var(--qcst-card);
	border: 1px solid var(--qcst-border);
	border-radius: 16px;
	padding: 24px 26px;
	margin: 0 0 28px;
	box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 2px 6px rgba(15, 23, 42, 0.04);
}

.qcst-snapshot__head {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 8px;
}

.qcst-snapshot__logo {
	max-width: 120px;
	height: auto;
}

.qcst-snapshot__client {
	font-size: 20px;
	font-weight: 700;
	color: var(--qcst-text);
	letter-spacing: -0.01em;
}

.qcst-snapshot__kpi {
	font-size: 30px;
	font-weight: 800;
	line-height: 1.15;
	color: var(--qcst-accent);
	margin: 8px 0 16px;
	letter-spacing: -0.02em;
}

.qcst-snapshot__meta {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
	gap: 12px 20px;
	margin: 0 0 14px;
}

.qcst-snapshot__row {
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.qcst-snapshot__row dt {
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.4px;
	color: var(--qcst-muted);
}

.qcst-snapshot__row dd {
	margin: 0;
	font-size: 15px;
	font-weight: 600;
	color: var(--qcst-text);
}

.qcst-snapshot__products {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.qcst-snapshot__products li {
	background: var(--qcst-accent-light);
	color: var(--qcst-accent);
	font-size: 12px;
	font-weight: 600;
	padding: 4px 10px;
	border-radius: 20px;
}

/* -------------------------------------------------------------------------
 * Blocks
 * ---------------------------------------------------------------------- */
.qcst-blocks {
	display: flex;
	flex-direction: column;
	gap: 28px;
}

.qcst-block--stat {
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 20px 22px;
	border: 1px solid var(--qcst-border);
	border-radius: 14px;
	border-left: 4px solid var(--qcst-accent);
}

.qcst-stat__label {
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--qcst-muted);
}

.qcst-stat__values {
	display: flex;
	align-items: baseline;
	gap: 10px;
	flex-wrap: wrap;
}

.qcst-stat__before {
	font-size: 20px;
	color: var(--qcst-muted);
	text-decoration: line-through;
}

.qcst-stat__arrow {
	color: var(--qcst-muted);
	font-size: 18px;
}

.qcst-stat__after {
	font-size: 32px;
	font-weight: 800;
	color: var(--qcst-accent);
	letter-spacing: -0.02em;
}

.qcst-stat__avg,
.qcst-stat__note {
	font-size: 12px;
	color: var(--qcst-muted);
}

.qcst-block--chart {
	margin: 0;
}

.qcst-chart__title {
	font-size: 16px;
	font-weight: 700;
	margin-bottom: 10px;
	color: var(--qcst-text);
}

.qcst-chart__canvas-wrap {
	position: relative;
	width: 100%;
	overflow-x: auto;
}

.qcst-chart__source {
	font-size: 12px;
	color: var(--qcst-muted);
	margin-top: 8px;
}

.qcst-block--quote {
	margin: 0;
	padding: 24px 26px;
	background: var(--qcst-dark);
	border-radius: 16px;
	color: #fff;
}

.qcst-quote__text {
	margin: 0;
	font-size: 20px;
	line-height: 1.5;
	font-weight: 600;
}

.qcst-quote__text::before {
	content: "\201C";
	color: var(--qcst-accent);
	margin-right: 4px;
}

.qcst-quote__cite {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-top: 16px;
}

.qcst-quote__photo {
	width: 48px;
	height: 48px;
	border-radius: 50%;
	object-fit: cover;
}

.qcst-quote__meta {
	display: flex;
	flex-direction: column;
}

.qcst-quote__name {
	font-weight: 700;
}

.qcst-quote__position {
	font-size: 13px;
	opacity: 0.8;
}

.qcst-faq__item {
	border: 1px solid var(--qcst-border);
	border-radius: 12px;
	padding: 4px 16px;
	margin-bottom: 10px;
}

.qcst-faq__q {
	cursor: pointer;
	font-weight: 700;
	padding: 12px 0;
	color: var(--qcst-text);
}

.qcst-faq__a {
	padding: 0 0 14px;
	color: var(--qcst-muted);
}

.qcst-gallery--grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 12px;
}

.qcst-gallery--before_after {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 12px;
}

.qcst-gallery__item {
	margin: 0;
}

.qcst-gallery__img {
	width: 100%;
	height: auto;
	border-radius: 12px;
	display: block;
}

.qcst-block--video {
	position: relative;
}

.qcst-block--cta {
	text-align: center;
	padding: 28px 24px;
	background: var(--qcst-accent-light);
	border: 1px solid #e2dcf7;
	border-radius: 16px;
}

.qcst-cta__text {
	font-size: 20px;
	font-weight: 700;
	margin: 0 0 16px;
	color: var(--qcst-text);
}

.qcst-cta__button {
	display: inline-block;
	background: var(--qcst-accent);
	color: #fff;
	font-weight: 700;
	text-decoration: none;
	padding: 12px 26px;
	border-radius: 10px;
	transition: background 0.15s ease;
}

.qcst-cta__button:hover {
	background: var(--qcst-accent-hover);
	color: #fff;
}

/* Print / Save as PDF button */
.qcst-print {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin: 0 0 18px;
	background: var(--qcst-accent);
	color: #fff;
	border: 0;
	border-radius: 8px;
	padding: 8px 16px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.15s ease;
}

.qcst-print:hover {
	background: var(--qcst-accent-hover);
	color: #fff;
}

@media (max-width: 600px) {
	.qcst-gallery--before_after {
		grid-template-columns: 1fr;
	}
	.qcst-snapshot__kpi {
		font-size: 24px;
	}
}

/* -------------------------------------------------------------------------
 * Print / PDF
 * ---------------------------------------------------------------------- */
@media print {
	.qcst-print {
		display: none !important;
	}
	.qcst-case-study {
		color: #000;
	}
	.qcst-snapshot,
	.qcst-block--stat,
	.qcst-block--quote,
	.qcst-faq__item,
	.qcst-block--cta,
	.qcst-block--chart {
		break-inside: avoid;
		page-break-inside: avoid;
	}
	.qcst-blocks {
		gap: 18px;
	}
	.qcst-block--quote {
		background: #f3f2ff;
		color: #0f172a;
	}
	.qcst-faq__a {
		display: block !important;
	}
	.qcst-faq__item {
		border-color: #ccc;
	}
}

/* -------------------------------------------------------------------------
 * Archive grid ([qaiyo_case_studies])
 * ---------------------------------------------------------------------- */
.qcst-archive {
	--qcst-accent: #6c5ce7;
	--qcst-accent-hover: #5a4bd1;
	--qcst-text: #0f172a;
	--qcst-muted: #64748b;
	--qcst-border: #e6e6ef;
}

.qcst-archive__filters {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0 0 20px;
}

.qcst-archive__filters select {
	padding: 8px 10px;
	border: 1px solid var(--qcst-border);
	border-radius: 8px;
	background: #fff;
	font-size: 14px;
}

.qcst-archive__filter-btn {
	background: var(--qcst-accent);
	color: #fff;
	border: 0;
	border-radius: 8px;
	padding: 8px 18px;
	font-weight: 600;
	cursor: pointer;
}

.qcst-archive__filter-btn:hover {
	background: var(--qcst-accent-hover);
}

.qcst-archive__grid {
	display: grid;
	gap: 20px;
}

.qcst-archive__grid--1 { grid-template-columns: 1fr; }
.qcst-archive__grid--2 { grid-template-columns: repeat(2, 1fr); }
.qcst-archive__grid--3 { grid-template-columns: repeat(3, 1fr); }
.qcst-archive__grid--4 { grid-template-columns: repeat(4, 1fr); }

.qcst-card-item {
	display: flex;
	flex-direction: column;
	background: #fff;
	border: 1px solid var(--qcst-border);
	border-radius: 14px;
	overflow: hidden;
	text-decoration: none;
	color: inherit;
	box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
	transition: box-shadow 0.25s ease, border-color 0.2s ease, transform 0.2s ease;
}

.qcst-card-item:hover {
	box-shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
	border-color: var(--qcst-accent);
	transform: translateY(-2px);
}

.qcst-card-item__media img {
	width: 100%;
	height: 180px;
	object-fit: cover;
	display: block;
}

.qcst-card-item__body {
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 16px 18px;
}

.qcst-card-item__industry {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--qcst-accent);
	font-weight: 700;
}

.qcst-card-item__title {
	font-size: 17px;
	font-weight: 700;
	color: var(--qcst-text);
	line-height: 1.3;
}

.qcst-card-item__client {
	font-size: 13px;
	color: var(--qcst-muted);
}

.qcst-card-item__kpi {
	margin-top: 4px;
	font-size: 18px;
	font-weight: 800;
	color: var(--qcst-accent);
}

.qcst-archive__empty {
	color: var(--qcst-muted);
}

@media (max-width: 900px) {
	.qcst-archive__grid--3,
	.qcst-archive__grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
	.qcst-archive__grid { grid-template-columns: 1fr !important; }
}