/**
 * Single bg_case - Styles (Mobile First)
 *
 * Structure: Hero -> Video -> Sticky Chapters (1-5) -> Back -> CTA
 * Desktop: Left column sticky (images/charts crossfade), right scrolls.
 * Mobile: Stacked layout.
 */

.bg-case-single {
	--bg-gold:     var(--wp--preset--color--primary, #C9A84C);
	--bg-gold-deep:#AD8638;
	--bg-dark:     var(--wp--preset--color--dark-grey, #0F0F0F);
	--bg-cream:    var(--wp--preset--color--off-white, #F5F1EA);
	--bg-white:    var(--wp--preset--color--white, #fff);
	--bg-alt:      #F7F4ED;
	--ink:         #18140F;
	--muted:       #6B675F;
	--muted2:      #8C8779;
	--border:      rgba(24, 20, 15, 0.10);
	--border-soft: rgba(24, 20, 15, 0.07);
	--font-serif:  var(--wp--preset--font-family--serif-display, 'Playfair Display', Georgia, serif);
	--font-sans:   var(--gp-body-font-family, 'DM Sans', system-ui, sans-serif);
	--header-h:    80px;

	max-width: var(--wp--style--global--wide-size, 1200px);
	margin: 0 auto;
	width: 100%;
}

/* ── Hero ──────────────────────────────────────────────────────────────── */

.bg-case-hero {
	padding: clamp(5rem, 12vw, 8rem) 1.25rem clamp(3rem, 6vw, 5rem);
	text-align: center;
	background: var(--bg-alt);
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
}

/* Breadcrumbs */
.bg-case-hero__breadcrumbs {
	margin: 0 0 2rem;
	padding: 0;
	list-style: none;
	display: flex;
	justify-content: center;
	gap: 0.5rem;
	font-family: var(--font-sans);
	font-size: 0.8125rem;
	color: var(--muted2);
}

.bg-case-hero__breadcrumbs a {
	color: var(--muted2);
	text-decoration: none;
	transition: color 150ms ease;
}

.bg-case-hero__breadcrumbs a:hover {
	color: var(--bg-gold);
}

.bg-case-hero__breadcrumbs li + li::before {
	content: "›";
	margin-right: 0.5rem;
	color: var(--muted2);
	opacity: 0.5;
}

.bg-case-hero__inner {
	max-width: 700px;
	margin: 0 auto;
}

.bg-case-hero__eyebrow {
	margin: 0 0 1.25rem;
	font-family: var(--font-sans);
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--bg-gold-deep);
}

.bg-case-hero__title {
	margin: 0;
	font-family: var(--font-serif);
	font-size: clamp(2rem, 5vw, 3.5rem);
	font-weight: 800;
	line-height: 1.15;
	letter-spacing: -0.02em;
	color: var(--ink);
}

.bg-case-hero__title em {
	font-style: italic;
	color: var(--bg-gold-deep);
	font-weight: 700;
}

.bg-case-hero__rule {
	width: 48px;
	height: 1px;
	background: var(--bg-gold);
	margin: 2rem auto;
	opacity: 0.7;
}

.bg-case-hero__intro {
	margin: 0;
	font-family: var(--font-sans);
	font-size: clamp(1rem, 1.5vw, 1.125rem);
	font-weight: 300;
	line-height: 1.7;
	color: var(--muted);
}

/* ── Video ─────────────────────────────────────────────────────────────── */

.bg-case-video {
	background: var(--bg-alt);
	padding: 0 1.25rem clamp(3rem, 6vw, 5rem);
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
}

.bg-case-video__inner {
	max-width: 780px;
	margin: 0 auto;
	padding: 0 1.25rem;
}

.bg-case-video__facade {
	position: relative;
	display: block;
	aspect-ratio: 16 / 9;
	border-radius: 20px;
	overflow: hidden;
	background: #111;
	cursor: pointer;
	text-decoration: none;
	box-shadow: 0 24px 60px rgba(24, 20, 15, 0.22);
}

.bg-case-video__poster {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.bg-case-video__play {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 56px;
	height: 56px;
	background: rgba(13, 15, 20, 0.5);
	border: 1.5px solid var(--bg-gold);
	color: var(--bg-gold);
	border-radius: 50%;
	transition: transform 200ms ease, background 200ms ease;
	pointer-events: none;
}

.bg-case-video__play svg {
	width: 36%;
	height: 36%;
	margin-left: 6%;
}

/* Video placeholder (last resort when no thumbnail available) */
.bg-case-video__placeholder {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	background: linear-gradient(145deg, #1a1a1a 0%, #2a2520 50%, #1a1a1a 100%);
}

.bg-case-video__placeholder-label {
	font-family: var(--font-sans);
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--bg-gold);
	opacity: 0.7;
}

.bg-case-video__placeholder-name {
	font-family: var(--font-serif);
	font-size: clamp(1.25rem, 2.5vw, 1.75rem);
	font-weight: 400;
	font-style: italic;
	color: rgba(255, 255, 255, 0.3);
	letter-spacing: 0.04em;
}

.bg-case-video__facade:hover .bg-case-video__play {
	transform: translate(-50%, -50%) scale(1.06);
	background: rgba(13, 15, 20, 0.7);
}

.bg-case-video__facade iframe,
.bg-case-video__facade video {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

@media (min-width: 769px) {
	.bg-case-video__play {
		width: 74px;
		height: 74px;
	}
}

@media (max-width: 480px) {
	.bg-case-video {
		padding-left: 0;
		padding-right: 0;
	}
	.bg-case-video__facade {
		border-radius: 0;
	}
}

/* ── Chapters Section (Sticky Scroll) ──────────────────────────────────── */

.bg-case-chapters {
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
	overflow-x: clip;
}

.bg-case-chapters__inner {
	display: block;
}

@media (min-width: 900px) {
	.bg-case-chapters__inner {
		display: grid;
		grid-template-columns: 0.92fr 1fr;
		align-items: start;
		max-width: var(--wp--style--global--wide-size, 1200px);
		margin: 0 auto;
	}
}

/* ── Sticky Media Column (Desktop only) ─────────────────────────────── */

.bg-case-chapters__media {
	display: none;
}

@media (min-width: 900px) {
	.bg-case-chapters__media {
		display: block;
		position: sticky;
		top: var(--header-h);
		height: calc(100vh - var(--header-h));
		padding: 3rem 2.5rem;
	}

	.bg-case-chapters__media-inner {
		position: relative;
		width: 100%;
		height: 100%;
		display: flex;
		align-items: center;
		justify-content: center;
	}

	.bg-case-chapters__slide {
		position: absolute;
		inset: 0;
		display: flex;
		align-items: center;
		justify-content: center;
		opacity: 0;
		transition: opacity 0.5s ease;
		pointer-events: none;
	}

	.bg-case-chapters__slide.is-active {
		opacity: 1;
		pointer-events: auto;
	}
}

/* ── Photo Card ──────────────────────────────────────────────────────── */

.bg-case-photo-card {
	position: relative;
	width: 100%;
	max-width: 460px;
	border-radius: 22px;
	overflow: hidden;
	box-shadow: 0 22px 50px rgba(24, 20, 15, 0.16);
	aspect-ratio: 4 / 5;
	background: linear-gradient(160deg, #F1EDE3 0%, #E7E1D2 100%);
}

.bg-case-photo-card__img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.bg-case-photo-card__badge {
	position: absolute;
	left: 18px;
	bottom: 18px;
	z-index: 3;
	background: var(--ink);
	color: #fff;
	font-family: var(--font-sans);
	font-size: 0.625rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	padding: 9px 16px;
	border-radius: 30px;
}

/* ── Chapter Content Column ──────────────────────────────────────────── */

.bg-case-chapters__content {
	display: flex;
	flex-direction: column;
}

@media (min-width: 900px) {
	.bg-case-chapters__content {
		padding-top: 45vh;
	}
}

.bg-case-chapter {
	padding: clamp(3rem, 8vw, 5rem) 1.25rem;
}

@media (min-width: 900px) {
	.bg-case-chapter {
		min-height: 100vh;
		padding: clamp(6rem, 10vw, 8rem) clamp(2rem, 4vw, 4rem) clamp(6rem, 10vw, 8rem) 0.5rem;
	}

	.bg-case-chapter:first-child {
		padding-top: 0;
	}
}

/* Subtle separator between chapters */
.bg-case-chapter + .bg-case-chapter {
	border-top: 1px solid rgba(24, 20, 15, 0.06);
}

/* ── Scroll-triggered fade-up animation ──────────────────────────────── */

@media (min-width: 900px) {
	.bg-case-chapter.is-fade-ready {
		opacity: 0;
		transform: translateY(50px);
	}

	.bg-case-chapter.is-visible {
		opacity: 1;
		transform: translateY(0);
		transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
		            transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
	}
}

/* Stagger child elements for richer animation */
@media (min-width: 900px) {
	.bg-case-chapter.is-fade-ready .bg-case-chapter__eyebrow,
	.bg-case-chapter.is-fade-ready .bg-case-chapter__heading,
	.bg-case-chapter.is-fade-ready .bg-case-chapter__text,
	.bg-case-chapter.is-fade-ready .bg-case-chapter__problems,
	.bg-case-chapter.is-fade-ready .bg-case-chapter__quote,
	.bg-case-chapter.is-fade-ready .bg-case-data-grid,
	.bg-case-chapter.is-fade-ready .bg-case-summary-row,
	.bg-case-chapter.is-fade-ready .bg-case-chapter__footnote {
		opacity: 0;
		transform: translateY(25px);
	}

	.bg-case-chapter.is-visible .bg-case-chapter__eyebrow,
	.bg-case-chapter.is-visible .bg-case-chapter__heading,
	.bg-case-chapter.is-visible .bg-case-chapter__text,
	.bg-case-chapter.is-visible .bg-case-chapter__problems,
	.bg-case-chapter.is-visible .bg-case-chapter__quote,
	.bg-case-chapter.is-visible .bg-case-data-grid,
	.bg-case-chapter.is-visible .bg-case-summary-row,
	.bg-case-chapter.is-visible .bg-case-chapter__footnote {
		opacity: 1;
		transform: translateY(0);
		transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
		            transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
	}

	/* Stagger delays */
	.bg-case-chapter.is-visible .bg-case-chapter__eyebrow   { transition-delay: 0s; }
	.bg-case-chapter.is-visible .bg-case-chapter__heading    { transition-delay: 0.08s; }
	.bg-case-chapter.is-visible .bg-case-chapter__text       { transition-delay: 0.16s; }
	.bg-case-chapter.is-visible .bg-case-chapter__problems   { transition-delay: 0.24s; }
	.bg-case-chapter.is-visible .bg-case-chapter__quote      { transition-delay: 0.32s; }
	.bg-case-chapter.is-visible .bg-case-data-grid           { transition-delay: 0.24s; }
	.bg-case-chapter.is-visible .bg-case-summary-row         { transition-delay: 0.32s; }
	.bg-case-chapter.is-visible .bg-case-chapter__footnote   { transition-delay: 0.4s; }
}

/* Mobile images (hidden on desktop) */
.bg-case-chapter__mobile-img {
	margin-bottom: 1.5rem;
}

@media (min-width: 900px) {
	.bg-case-chapter__mobile-img {
		display: none;
	}
}

.bg-case-chapter__mobile-img .bg-case-photo-card {
	max-width: 100%;
	aspect-ratio: 16 / 10;
	border-radius: 16px;
}

.bg-case-chapter__mobile-img .bg-case-chart-card {
	max-width: 100%;
}

/* ── Chapter Typography ──────────────────────────────────────────────── */

.bg-case-chapter__eyebrow {
	display: block;
	margin-bottom: 1rem;
	font-family: var(--font-sans);
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--bg-gold-deep);
}

.bg-case-chapter__heading {
	margin: 0 0 1.25rem;
	font-family: var(--font-serif);
	font-size: clamp(1.5rem, 2.4vw, 2.125rem);
	font-weight: 800;
	line-height: 1.15;
	letter-spacing: -0.02em;
	color: var(--ink);
}

.bg-case-chapter__heading em {
	font-style: italic;
	color: var(--bg-gold-deep);
	font-weight: 700;
}

.bg-case-chapter__text {
	font-family: var(--font-sans);
	font-size: 0.96875rem;
	font-weight: 300;
	line-height: 1.7;
	color: var(--muted);
}

.bg-case-chapter__text p {
	margin: 0 0 1rem;
}

.bg-case-chapter__text p:last-child {
	margin-bottom: 0;
}

.bg-case-chapter__text strong {
	color: var(--ink);
	font-weight: 600;
}

/* ── Problem Bullets ─────────────────────────────────────────────────── */

.bg-case-chapter__problems {
	list-style: none;
	margin: 1.25rem 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.bg-case-chapter__problems li {
	font-family: var(--font-sans);
	font-size: 0.9375rem;
	font-weight: 300;
	color: var(--muted);
	padding-left: 1.625rem;
	position: relative;
	line-height: 1.6;
}

.bg-case-chapter__problems li::before {
	content: "\2715";
	position: absolute;
	left: 0;
	top: 1px;
	font-size: 0.75rem;
	font-weight: 600;
	color: #C0392B;
	line-height: 1.6;
}

.bg-case-chapter__problems li strong {
	color: var(--ink);
	font-weight: 600;
}

/* ── Quotes ──────────────────────────────────────────────────────────── */

.bg-case-chapter__quote {
	margin: 1.375rem 0;
	padding: 0 0 0 1.25rem;
	border: 0;
	border-left: 2.5px solid var(--bg-gold);
	font-family: var(--font-serif);
	font-style: italic;
	font-weight: 700;
	font-size: clamp(1rem, 1.4vw, 1.125rem);
	line-height: 1.5;
	color: var(--ink);
}

/* ── Footnote ────────────────────────────────────────────────────────── */

.bg-case-chapter__footnote {
	margin: 0.5rem 0 0;
	font-family: var(--font-sans);
	font-size: 0.71875rem;
	line-height: 1.6;
	color: var(--muted2);
}

/* ── Data Grid (Objektdaten) ─────────────────────────────────────────── */

.bg-case-data-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.875rem;
	margin-top: 1.625rem;
}

@media (max-width: 480px) {
	.bg-case-data-grid {
		grid-template-columns: 1fr;
	}
}

.bg-case-data-cell {
	background: var(--bg-white);
	border: 1px solid var(--border-soft);
	border-radius: 12px;
	padding: 1.125rem 1.25rem;
	box-shadow: 0 6px 18px rgba(24, 20, 15, 0.05);
}

.bg-case-data-cell__label {
	font-family: var(--font-sans);
	font-size: 0.625rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--muted2);
	margin-bottom: 0.375rem;
}

.bg-case-data-cell__value {
	font-family: var(--font-serif);
	font-weight: 700;
	font-size: 1.25rem;
	color: var(--bg-gold-deep);
}

.bg-case-data-cell__desc {
	font-family: var(--font-sans);
	font-size: 0.6875rem;
	color: var(--muted2);
	margin-top: 0.25rem;
}

/* ── Chart Card (inline SVG charts) ──────────────────────────────────── */

.bg-case-chart-card {
	background: var(--bg-white);
	border-radius: 18px;
	padding: clamp(1.5rem, 3vw, 2.25rem);
	width: 100%;
	max-width: 520px;
	box-shadow: 0 18px 44px rgba(24, 20, 15, 0.14);
	border: 1px solid var(--border-soft);
	color: var(--ink);
}

.bg-case-chart-card__title {
	margin: 0 0 0.625rem;
	font-family: var(--font-serif);
	font-weight: 700;
	font-size: 1.1875rem;
	color: var(--ink);
}

.bg-case-chart-card__legend {
	display: flex;
	gap: 1.125rem;
	margin-bottom: 1rem;
	font-family: var(--font-sans);
	font-size: 0.75rem;
	color: var(--muted);
}

.bg-case-chart-card__legend span {
	display: inline-flex;
	align-items: center;
	gap: 0.375rem;
}

.bg-case-dot {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	display: inline-block;
}

.bg-case-dot.is-value  { background: #3F9142; }
.bg-case-dot.is-debt   { background: #C0392B; }
.bg-case-dot.is-equity { background: #3F9142; }

.bg-case-chart-card__svg {
	width: 100%;
	height: auto;
	display: block;
}

.bg-case-grid-line {
	stroke: #e9e5da;
	stroke-dasharray: 3 4;
}

.bg-case-axis-label {
	font-family: var(--font-sans);
	font-size: 10px;
	fill: #9a9588;
}

.bg-case-val-label {
	font-family: var(--font-serif);
	font-weight: 700;
	font-size: 12px;
}

.bg-case-val-label.is-value  { fill: #3F9142; }
.bg-case-val-label.is-debt   { fill: #C0392B; }
.bg-case-val-label.is-equity { fill: #3F9142; }

/* ── Summary Row ─────────────────────────────────────────────────────── */

.bg-case-summary-row {
	display: flex;
	gap: 0.875rem;
	margin-top: 1.75rem;
}

@media (max-width: 600px) {
	.bg-case-summary-row {
		flex-direction: column;
	}
}

.bg-case-summary-cell {
	flex: 1;
	background: var(--bg-white);
	border: 1px solid var(--border-soft);
	border-radius: 12px;
	padding: 1.375rem 1rem;
	text-align: center;
	box-shadow: 0 6px 18px rgba(24, 20, 15, 0.05);
}

.bg-case-summary-cell__value {
	display: block;
	font-family: var(--font-serif);
	font-weight: 700;
	font-size: clamp(1.25rem, 2vw, 1.5rem);
	color: var(--bg-gold-deep);
}

.bg-case-summary-cell__label {
	display: block;
	margin-top: 0.375rem;
	font-family: var(--font-sans);
	font-size: 0.65625rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--muted2);
}

/* ── Back Link ─────────────────────────────────────────────────────────── */

.bg-case-back {
	padding: clamp(2.5rem, 5vw, 4rem) 1.25rem;
	text-align: center;
}

.bg-case-back__link {
	display: inline-block;
	padding: 0.85rem 2rem;
	font-family: var(--font-sans);
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--bg-gold);
	text-decoration: none;
	border: 1.5px solid var(--bg-gold);
	border-radius: 6px;
	transition: background 200ms ease, color 200ms ease;
}

.bg-case-back__link:hover {
	background: var(--bg-gold);
	color: var(--bg-white);
}

/* ── Full-width CTA breakout ───────────────────────────────────────────── */

.bg-case-single > .wp-block-dbw-base-cta-banner {
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
}