/* ============================================
   Case Study Detail — Immersive Layout
   Inspired by Jakala/WeBuild project pages
   ============================================ */

/* ============================================
   Full-bleed Hero with project image
   ============================================ */

.cs-hero {
	position: relative;
	min-height: 85vh;
	min-height: 85svh;
	display: flex;
	align-items: flex-end;
	background-color: var(--color-navy);
	overflow: hidden;
	color: #fff;
}

.cs-hero-img {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	will-change: transform;
	transition: opacity 0.6s ease;
}

.cs-hero-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(
		180deg,
		rgba(27, 42, 54, 0.15) 0%,
		rgba(27, 42, 54, 0.4) 40%,
		rgba(27, 42, 54, 0.92) 100%
	);
	z-index: 1;
}

/* Decorative grid */
.cs-hero-grid {
	position: absolute;
	inset: 0;
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	pointer-events: none;
	z-index: 2;
}
.cs-hero-grid span {
	border-right: 1px solid rgba(255, 255, 255, 0.04);
}
.cs-hero-grid span:last-child {
	border-right: none;
}

.cs-hero-content {
	position: relative;
	z-index: 3;
	width: 100%;
	padding: 0 clamp(24px, 5vw, 88px);
	padding-bottom: clamp(48px, 6vh, 80px);
	padding-top: calc(var(--navbar-height) + 60px);
	max-width: 1600px;
	margin: 0 auto;
}

.cs-hero .page-breadcrumb {
	margin-bottom: var(--space-xl);
}

.cs-hero h1 {
	font-size: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);
	font-weight: 200;
	color: #fff;
	line-height: 1.05;
	letter-spacing: -0.03em;
	max-width: 800px;
	margin-bottom: var(--space-xl);
}
.cs-hero h1 strong {
	font-weight: 700;
}

/* Tags */
.cs-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: var(--space-2xl);
}
.cs-tag {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 6px 14px;
	border-radius: var(--border-radius-full);
	background: rgba(255, 192, 0, 0.12);
	border: 1px solid rgba(255, 192, 0, 0.25);
	font-family: var(--font-accent);
	font-size: 0.72rem;
	font-weight: 600;
	color: var(--color-gold);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

/* Hero metadata strip */
.cs-meta-strip {
	display: flex;
	flex-wrap: wrap;
	gap: 0;
}
.cs-meta-item {
	padding: 0 clamp(16px, 2.5vw, 40px);
	border-left: 1px solid rgba(255, 255, 255, 0.12);
}
.cs-meta-item:first-child {
	padding-left: 0;
	border-left: none;
}
.cs-meta-label {
	display: block;
	font-family: var(--font-accent);
	font-size: 0.65rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: rgba(255, 255, 255, 0.7);
	margin-bottom: 4px;
}
.cs-meta-value {
	display: block;
	font-size: var(--fs-sm);
	font-weight: 500;
	color: #fff;
}

/* ============================================
   Project Description — Editorial split
   ============================================ */

.cs-intro {
	padding: clamp(60px, 8vw, 120px) clamp(24px, 5vw, 88px);
}
.cs-intro-inner {
	max-width: 1400px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-3xl);
}
@media (min-width: 768px) {
	.cs-intro-inner {
		grid-template-columns: 1fr 1.5fr;
		gap: clamp(40px, 6vw, 100px);
	}
}

.cs-intro-label {
	font-family: var(--font-accent);
	font-size: 0.72rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.14em;
	color: var(--color-gold);
	margin-bottom: var(--space-md);
	display: flex;
	align-items: center;
	gap: 12px;
}
.cs-intro-label::before {
	content: '';
	width: 24px;
	height: 2px;
	background: var(--color-gold);
}

.cs-intro h2 {
	font-size: clamp(1.8rem, 1.2rem + 2.5vw, 3rem);
	font-weight: 300;
	line-height: 1.1;
	letter-spacing: -0.02em;
	color: var(--color-navy);
}
.cs-intro h2 strong {
	font-weight: 700;
}

.cs-intro-text {
	font-size: var(--fs-md);
	line-height: 1.8;
	color: var(--color-text-light);
}
.cs-intro-text p {
	margin-bottom: var(--space-lg);
}

/* ============================================
   Gallery — Immersive Swiper + Lightbox feel
   ============================================ */

.cs-gallery {
	padding: 0 clamp(24px, 5vw, 88px) clamp(60px, 8vw, 120px);
}
.cs-gallery-inner {
	max-width: 1400px;
	margin: 0 auto;
}

.cs-gallery-header {
	display: flex;
	align-items: end;
	justify-content: space-between;
	margin-bottom: clamp(24px, 3vw, 48px);
}

.cs-gallery-header h2 {
	font-size: clamp(1.5rem, 1rem + 2vw, 2.5rem);
	font-weight: 300;
	letter-spacing: -0.02em;
}
.cs-gallery-header h2 strong {
	font-weight: 700;
}

/* Gallery grid — bento style */
.cs-bento {
	display: grid;
	grid-template-columns: 1fr;
	gap: clamp(12px, 1.5vw, 20px);
}
@media (min-width: 600px) {
	.cs-bento {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (min-width: 992px) {
	.cs-bento {
		grid-template-columns: repeat(12, 1fr);
		grid-auto-rows: minmax(200px, auto);
	}
}

.cs-bento-item {
	position: relative;
	overflow: hidden;
	border-radius: var(--border-radius-lg);
	background: var(--color-bg-alt);
	cursor: pointer;
	aspect-ratio: 4/3;
}
@media (min-width: 992px) {
	.cs-bento-item {
		aspect-ratio: unset;
	}
}

/* Bento layout classes */
@media (min-width: 992px) {
	.cs-bento-item.span-8 { grid-column: span 8; }
	.cs-bento-item.span-7 { grid-column: span 7; }
	.cs-bento-item.span-6 { grid-column: span 6; }
	.cs-bento-item.span-5 { grid-column: span 5; }
	.cs-bento-item.span-4 { grid-column: span 4; }
	.cs-bento-item.span-12 { grid-column: span 12; }
	.cs-bento-item.row-2 { grid-row: span 2; }
}

.cs-bento-item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
	display: block;
}
.cs-bento-item:hover img {
	transform: scale(1.04);
}

/* Hover overlay */
.cs-bento-item::after {
	content: '';
	position: absolute;
	inset: 0;
	background: rgba(27, 42, 54, 0);
	transition: background 0.4s ease;
	pointer-events: none;
}
.cs-bento-item:hover::after {
	background: rgba(27, 42, 54, 0.15);
}

/* Zoom icon on hover */
.cs-bento-item::before {
	content: '\f065';
	font-family: 'Font Awesome 6 Free';
	font-weight: 900;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) scale(0.7);
	z-index: 2;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.9);
	color: var(--color-navy);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1rem;
	opacity: 0;
	transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.cs-bento-item:hover::before {
	opacity: 1;
	transform: translate(-50%, -50%) scale(1);
}

/* ============================================
   Highlights / Results strip
   ============================================ */

.cs-highlights {
	background: var(--color-navy);
	color: #fff;
	padding: clamp(48px, 6vw, 80px) clamp(24px, 5vw, 88px);
	position: relative;
	overflow: hidden;
}

/* Subtle grid overlay */
.cs-highlights::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px);
	background-size: 20% 100%;
	pointer-events: none;
}

.cs-highlights-inner {
	max-width: 1400px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: var(--space-2xl);
	position: relative;
	z-index: 1;
}

.cs-highlight-item {
	text-align: center;
	position: relative;
}
.cs-highlight-item::after {
	content: '';
	position: absolute;
	right: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 1px;
	height: 60%;
	background: rgba(255, 255, 255, 0.08);
}
.cs-highlight-item:last-child::after {
	display: none;
}

.cs-highlight-icon {
	width: 48px;
	height: 48px;
	border-radius: 12px;
	background: rgba(255, 192, 0, 0.1);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin-bottom: var(--space-md);
}
.cs-highlight-icon i {
	color: var(--color-gold);
	font-size: 1.2rem;
}

.cs-highlight-value {
	font-family: var(--font-accent);
	font-size: var(--fs-xl);
	font-weight: 700;
	color: var(--color-gold);
	display: block;
	line-height: 1;
	margin-bottom: 6px;
}

.cs-highlight-label {
	font-size: var(--fs-xs);
	color: rgba(255, 255, 255, 0.5);
	font-weight: 400;
}

@media (max-width: 767px) {
	.cs-highlight-item::after {
		display: none;
	}
	.cs-highlight-item {
		text-align: left;
		display: flex;
		align-items: center;
		gap: var(--space-lg);
	}
	.cs-highlight-icon {
		margin-bottom: 0;
		flex-shrink: 0;
	}
}

/* ============================================
   Related Projects Carousel
   ============================================ */

.cs-related {
	padding: clamp(60px, 8vw, 120px) clamp(24px, 5vw, 88px);
	background: var(--color-bg-alt);
}
.cs-related-inner {
	max-width: 1400px;
	margin: 0 auto;
}

.cs-related h2 {
	font-size: clamp(1.5rem, 1rem + 2vw, 2.5rem);
	font-weight: 300;
	letter-spacing: -0.02em;
	margin-bottom: clamp(24px, 3vw, 48px);
}
.cs-related h2 strong {
	font-weight: 700;
}

.cs-related-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: var(--space-lg);
}

/* Reuse portfolio-grid-card from pages.css */

/* ============================================
   CTA — Full-width immersive
   ============================================ */

.cs-cta {
	background: var(--color-gold);
	padding: clamp(60px, 8vw, 100px) clamp(24px, 5vw, 88px);
	text-align: center;
}
.cs-cta-inner {
	max-width: 600px;
	margin: 0 auto;
}
.cs-cta h2 {
	font-size: clamp(1.8rem, 1.2rem + 2.5vw, 3rem);
	font-weight: 300;
	color: var(--color-navy);
	letter-spacing: -0.02em;
	margin-bottom: var(--space-md);
}
.cs-cta h2 strong {
	font-weight: 700;
}
.cs-cta p {
	font-size: var(--fs-md);
	color: var(--color-navy);
	opacity: 0.85;
	margin-bottom: var(--space-2xl);
}

/* ============================================
   Image Lightbox (simple CSS-only)
   ============================================ */

.cs-lightbox {
	position: fixed;
	inset: 0;
	z-index: 9999;
	background: rgba(27, 42, 54, 0.95);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 40px;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s ease, visibility 0.4s;
	cursor: zoom-out;
}
.cs-lightbox.is-active {
	opacity: 1;
	visibility: visible;
}
.cs-lightbox img {
	max-width: 90vw;
	max-height: 85vh;
	object-fit: contain;
	border-radius: var(--border-radius-lg);
	box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
	transform: scale(0.92);
	transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.cs-lightbox.is-active img {
	transform: scale(1);
}
.cs-lightbox-close {
	position: absolute;
	top: 24px;
	right: 24px;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.1);
	border: none;
	color: #fff;
	font-size: 1.2rem;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.3s ease;
}
.cs-lightbox-close:hover {
	background: rgba(255, 255, 255, 0.2);
}

/* ============================================
   GSAP reveals
   ============================================ */

.reveal-up { opacity: 0; transform: translateY(40px); }
.reveal-left { opacity: 0; transform: translateX(-40px); }
.reveal-right { opacity: 0; transform: translateX(40px); }
.reveal-scale { opacity: 0; transform: scale(0.95); }

/* No-JS / reduced-motion safety net (see home.css for rationale) */
html:not(.js) .reveal-up,
html:not(.js) .reveal-left,
html:not(.js) .reveal-right,
html:not(.js) .reveal-scale,
html:not(.js) .reveal-stagger > * {
	opacity: 1 !important;
	transform: none !important;
}