/* ==========================================================================
   Case Study Single Page (single-customer.php)
   Uses design tokens from variables.css
   ========================================================================== */

/* Hero Section */
.cs-hero {
	position: relative;
	background: var(--color-primary);
	color: #fff;
	overflow: hidden;
	padding: var(--spacing-20) 0 var(--spacing-16);
}

.cs-hero::before {
	content: '';
	position: absolute;
	top: -40%;
	right: -20%;
	width: 70%;
	height: 180%;
	background: radial-gradient(ellipse at center, rgba(150, 243, 129, 0.06) 0%, transparent 70%);
	pointer-events: none;
}

.cs-hero::after {
	content: '';
	position: absolute;
	bottom: -30%;
	left: -10%;
	width: 50%;
	height: 120%;
	background: radial-gradient(ellipse at center, rgba(26, 92, 115, 0.15) 0%, transparent 60%);
	pointer-events: none;
}

.cs-hero__inner {
	position: relative;
	z-index: 2;
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--spacing-8);
	align-items: center;
}

.cs-hero__badge {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--font-heading);
	font-size: var(--font-size-body-xxs);
	font-weight: 700;
	letter-spacing: 2px;
	text-transform: uppercase;
	color: var(--color-accent);
	margin-bottom: var(--spacing-4);
}

.cs-hero__title {
	font-family: var(--font-heading);
	font-size: var(--font-size-h2);
	font-weight: 800;
	line-height: 1.15;
	color: #fff;
	margin: 0 0 var(--spacing-4);
}

.cs-hero__subtitle {
	font-family: var(--font-body);
	font-size: var(--font-size-body-lg);
	color: var(--color-secondary);
	font-weight: 400;
	margin-bottom: var(--spacing-5);
}

.cs-hero__question {
	font-family: var(--font-heading);
	font-size: var(--font-size-body-xl);
	font-weight: 500;
	line-height: 1.5;
	color: rgba(255, 255, 255, 0.85);
	max-width: 680px;
}

.cs-hero__logo {
	display: flex;
	align-items: center;
	justify-content: center;
}

.cs-hero__logo img {
	max-width: 260px;
	max-height: 200px;
	object-fit: contain;
	filter: brightness(0) invert(1);
	opacity: 0.3;
	transition: opacity var(--transition-slow);
}

.cs-hero:hover .cs-hero__logo img {
	opacity: 0.5;
}

@media (min-width: 1024px) {
	.cs-hero {
		padding: var(--spacing-20) 0;
	}

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

	.cs-hero__logo img {
		max-width: 320px;
	}
}

/* Company Profile Card */
.cs-profile {
	background: var(--color-surface-2);
	border: 1px solid var(--color-surface-medium-1);
	border-radius: var(--border-radius-xl);
	padding: var(--spacing-8);
	margin-top: calc(-1 * var(--spacing-10));
	position: relative;
	z-index: 10;
}

.cs-profile__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--spacing-5);
}

.cs-profile__item {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-1);
}

.cs-profile__label {
	font-family: var(--font-heading);
	font-size: var(--font-size-body-xxs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 1.5px;
	color: var(--color-text-subtitle);
}

.cs-profile__value {
	font-family: var(--font-body);
	font-size: var(--font-size-body-ms);
	color: var(--color-primary-dark-2);
	font-weight: 600;
}

.cs-profile__value a {
	color: var(--color-primary-light-1);
	text-decoration: none;
	transition: color var(--transition-fast);
}

.cs-profile__value a:hover {
	color: var(--color-accent-hover);
}

@media (min-width: 768px) {
	.cs-profile__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (min-width: 1024px) {
	.cs-profile__grid {
		grid-template-columns: repeat(5, 1fr);
	}
}

/* Main Content Area */
.cs-body {
	padding: var(--spacing-12) 0 var(--spacing-16);
}

.cs-body__content {
	max-width: 780px;
	margin: 0 auto;
}

/* Story Sections */
.cs-section {
	margin-bottom: var(--spacing-12);
}

.cs-section__heading {
	font-family: var(--font-heading);
	font-size: var(--font-size-h4);
	font-weight: 700;
	color: var(--color-primary-dark-2);
	margin-bottom: var(--spacing-5);
	display: flex;
	align-items: center;
	gap: var(--spacing-4);
}

.cs-section__heading::before {
	content: '';
	display: block;
	width: 4px;
	height: 1.2em;
	background: var(--color-accent);
	border-radius: var(--border-radius-full);
	flex-shrink: 0;
}

.cs-section__body {
	font-family: var(--font-body);
	font-size: var(--font-size-body-md);
	line-height: 1.8;
	color: var(--color-text-body-muted);
}

.cs-section__body p {
	margin-bottom: var(--spacing-5);
}

.cs-section__body ul,
.cs-section__body ol {
	padding-left: var(--spacing-5);
	margin-bottom: var(--spacing-5);
}

.cs-section__body li {
	margin-bottom: var(--spacing-3);
	position: relative;
}

.cs-section__body ul li::marker {
	color: var(--color-accent);
}

.cs-section__body strong {
	color: var(--color-primary-dark-2);
	font-weight: 600;
}

.cs-section__closing {
	font-family: var(--font-body);
	font-size: var(--font-size-body-md);
	font-style: italic;
	color: var(--color-primary-dark-2);
	line-height: 1.7;
	padding: var(--spacing-5) var(--spacing-6);
	border-left: 3px solid var(--color-accent);
	background: var(--color-surface-3);
	border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
	margin-top: var(--spacing-6);
}

/* Intro */
.cs-intro {
	font-family: var(--font-body);
	font-size: var(--font-size-body-lg);
	line-height: 1.7;
	color: var(--color-primary-dark-2);
	font-weight: 400;
	margin-bottom: var(--spacing-10);
	padding-bottom: var(--spacing-8);
	border-bottom: 1px solid var(--color-surface-medium-1);
}

/* Testimonial */
.cs-testimonial {
	background: var(--color-primary);
	color: #fff;
	border-radius: var(--border-radius-xl);
	padding: var(--spacing-10);
	margin: var(--spacing-12) 0;
	position: relative;
	overflow: hidden;
}

.cs-testimonial::before {
	content: '\201C';
	position: absolute;
	top: -20px;
	left: 20px;
	font-size: 12rem;
	font-family: var(--font-heading);
	color: rgba(150, 243, 129, 0.08);
	line-height: 1;
	pointer-events: none;
}

.cs-testimonial__quote {
	font-family: var(--font-body);
	font-size: var(--font-size-body-lg);
	font-style: italic;
	line-height: 1.7;
	position: relative;
	z-index: 1;
	margin-bottom: var(--spacing-6);
	/* Override the global `p { color: ... }` rule from base.css so the quote
	   stays readable on the dark testimonial background. */
	color: rgba(255, 255, 255, 0.92);
}

.cs-testimonial__author {
	font-family: var(--font-heading);
	font-size: var(--font-size-body-ms);
	font-weight: 700;
	color: var(--color-accent);
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	gap: var(--spacing-3);
}

.cs-testimonial__author::before {
	content: '';
	display: block;
	width: 24px;
	height: 2px;
	background: var(--color-accent);
	flex-shrink: 0;
}

/* Related Stories */
.cs-related {
	background: var(--color-surface-2);
	padding: var(--spacing-16) 0;
}

.cs-related__title {
	font-family: var(--font-heading);
	font-size: var(--font-size-h3);
	font-weight: 800;
	color: var(--color-primary-dark-2);
	text-align: center;
	margin-bottom: var(--spacing-10);
}

.cs-related__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--spacing-6);
}

.cs-related__card {
	background: #fff;
	border-radius: var(--border-radius-lg);
	padding: var(--spacing-6);
	border: 1px solid var(--color-surface-medium-1);
	display: flex;
	flex-direction: column;
	gap: var(--spacing-4);
	text-decoration: none;
	transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.cs-related__card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
}

.cs-related__card-logo {
	height: 48px;
	display: flex;
	align-items: center;
}

.cs-related__card-logo img {
	max-height: 40px;
	max-width: 120px;
	object-fit: contain;
	opacity: 0.6;
	transition: opacity var(--transition-normal);
}

.cs-related__card:hover .cs-related__card-logo img {
	opacity: 1;
}

.cs-related__card-question {
	font-family: var(--font-heading);
	font-size: var(--font-size-body-ms);
	font-weight: 600;
	color: var(--color-primary-dark-2);
	line-height: 1.5;
	flex-grow: 1;
}

.cs-related__card-link {
	font-family: var(--font-heading);
	font-size: var(--font-size-body-xs);
	font-weight: 700;
	color: var(--color-primary-light-1);
	display: flex;
	align-items: center;
	gap: var(--spacing-2);
	transition: color var(--transition-fast);
}

.cs-related__card:hover .cs-related__card-link {
	color: var(--color-accent-hover);
}

.cs-related__card-link svg {
	width: 16px;
	height: 16px;
	transition: transform var(--transition-fast);
}

.cs-related__card:hover .cs-related__card-link svg {
	transform: translateX(4px);
}

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

@media (min-width: 1024px) {
	.cs-related__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

/* Back link */
.cs-back {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-2);
	font-family: var(--font-heading);
	font-size: var(--font-size-body-xs);
	font-weight: 700;
	color: rgba(255, 255, 255, 0.6);
	text-decoration: none;
	margin-bottom: var(--spacing-6);
	transition: color var(--transition-fast);
}

.cs-back:hover {
	color: #fff;
}

.cs-back svg {
	width: 16px;
	height: 16px;
	transition: transform var(--transition-fast);
}

.cs-back:hover svg {
	transform: translateX(-3px);
}