/* BIO ZAHN homepage, based on the supplied Startseitenkonzept. Header, footer and buttons live in header.css/base.css. */

.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	color: var(--bz-accent-dark);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: .25em;
	text-transform: uppercase;
}

.eyebrow::before {
	content: "";
	width: 28px;
	height: 1px;
	background: currentColor;
}

main h1,
main h2 {
	font-family: var(--bz-font-editorial);
	font-weight: 500;
	line-height: 1.04;
	margin-top: 0;
}

main h2 {
	font-size: var(--bz-text-h2);
	margin: 16px 0 20px;
}

main p {
	margin-top: 0;
}

/* Hero */
.hero {
	position: relative;
	display: grid;
	grid-template-columns: 1.08fr .92fr;
	min-height: min(82vh, 760px);
	overflow: hidden;
	background:
		radial-gradient(ellipse 60% 70% at 18% 110%, rgba(var(--bz-gold-rgb), .22), transparent 60%),
		var(--bz-deep);
	color: var(--bz-ivory);
}

.hero-copy {
	align-self: center;
	max-width: 760px;
	padding: clamp(56px, 8vw, 120px) var(--bz-gutter);
	animation: bz-rise .8s var(--bz-ease) both;
}

.hero .eyebrow {
	color: var(--bz-gold-light);
}

.hero h1 {
	margin: 26px 0 30px;
	color: var(--bz-ivory);
	font-size: var(--bz-text-display);
	line-height: .98;
}

.rule {
	width: 96px;
	height: 2px;
	margin: 0 0 30px;
	background: linear-gradient(90deg, var(--bz-gold-light), var(--bz-gold));
}

.hero-copy p {
	max-width: 560px;
	color: var(--bz-light-muted);
	font-size: clamp(16px, 1.3vw, 19px);
	line-height: 1.8;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 34px;
}

.hero-photo {
	position: relative;
	min-height: 460px;
	overflow: hidden;
	background-color: var(--bz-hero-fallback);
}

.hero-photo > img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 49%;
	animation: bz-zoom 14s ease-out both;
}

.hero-photo::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(90deg, var(--bz-deep) 0, rgba(29, 48, 39, .35) 18%, transparent 42%);
}

/* Learning path */
.path {
	position: relative;
	z-index: 2;
	max-width: var(--bz-wide-width);
	margin: -56px auto 0;
	padding: 0 var(--bz-gutter);
}

.path__steps {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	margin: 0;
	padding: 0;
	list-style: none;
	background: var(--bz-card-background);
	box-shadow: var(--bz-shadow-lift);
	border-top: 3px solid var(--bz-gold);
}

.path__steps li {
	position: relative;
	padding: 32px clamp(22px, 3vw, 40px) 30px;
}

.path__steps li + li {
	border-left: 1px solid var(--bz-card-border);
}

.path__num {
	color: var(--bz-gold);
	font: 500 40px/1 var(--bz-font-editorial);
}

main .path__title {
	margin: 10px 0 8px;
	color: var(--bz-forest);
	font: 600 15px/1.3 var(--bz-font-ui);
	letter-spacing: .14em;
	text-transform: uppercase;
}

.path__steps p {
	margin: 0;
	color: var(--bz-muted-ink);
	font-size: 15px;
	line-height: 1.65;
}

/* Intro */
.intro {
	max-width: 880px;
	margin: 0 auto;
	padding: var(--bz-section-y) 24px calc(var(--bz-section-y) * .5);
	text-align: center;
}

.intro p {
	color: var(--bz-muted-ink);
	font-size: 18px;
	line-height: 1.8;
}

/* Offer cards */
.sections {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
	max-width: var(--bz-wide-width);
	margin: 0 auto;
	padding: 0 var(--bz-gutter) var(--bz-section-y);
}

.section-card {
	position: relative;
	display: flex;
	flex-direction: column;
	min-height: 300px;
	padding: 44px 34px 40px;
	overflow: hidden;
	border: 1px solid var(--bz-card-border);
	background: var(--bz-card-background);
	transition: transform var(--bz-speed) var(--bz-ease), box-shadow var(--bz-speed) var(--bz-ease);
}

.section-card::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 3px;
	background: var(--bz-gold);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform var(--bz-speed) var(--bz-ease);
}

.section-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--bz-shadow-lift);
}

.section-card:hover::after {
	transform: scaleX(1);
}

.section-card:nth-child(2) {
	border-color: var(--bz-forest);
	background: var(--bz-forest);
	color: var(--bz-ivory);
}

.section-card .index {
	color: var(--bz-accent-dark);
	font: 500 22px/1 var(--bz-font-editorial);
}

.section-card:nth-child(2) .index {
	color: var(--bz-gold-light);
}

.section-card h3 {
	margin: 26px 0 14px;
	font: 500 var(--bz-text-h3)/1.1 var(--bz-font-editorial);
	color: var(--bz-forest);
}

.section-card:nth-child(2) h3 {
	color: var(--bz-ivory);
}

.section-card p {
	max-width: 340px;
	margin: 0;
	color: var(--bz-muted-ink);
	font-size: 15px;
	line-height: 1.75;
}

.section-card:nth-child(2) p {
	color: var(--bz-card-muted);
}

/* Course grid */
.course-section {
	padding: var(--bz-section-y) 0;
	background: var(--bz-sand);
}

.course-section__intro {
	max-width: 780px;
	margin: 0 auto 44px;
	padding: 0 24px;
	text-align: center;
}

.course-section__intro p {
	color: var(--bz-muted-ink);
	font-size: 17px;
}

.course-rows {
	display: grid;
	gap: clamp(28px, 4vw, 56px);
	max-width: var(--bz-wide-width);
	margin: 0 auto;
	padding: 0 var(--bz-gutter);
}

.course-row {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
	align-items: stretch;
	overflow: hidden;
	background: var(--bz-card-background);
	box-shadow: var(--bz-shadow-card);
	transition: box-shadow var(--bz-speed) var(--bz-ease), transform var(--bz-speed) var(--bz-ease);
}

.course-row:nth-child(even) .course-row__image {
	order: 2;
}

.course-row:hover,
.course-row:focus-within {
	transform: translateY(-4px);
	box-shadow: var(--bz-shadow-lift);
}

.course-row__image {
	position: relative;
	display: block;
	min-height: 320px;
	overflow: hidden;
	background: var(--bz-sand);
}

.course-row__image img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .8s var(--bz-ease);
}

.course-row:hover .course-row__image img {
	transform: scale(1.05);
}

.course-row__body {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: center;
	padding: clamp(32px, 4.5vw, 64px);
	border-top: 3px solid var(--bz-gold);
}

.course-row__num {
	display: block;
	margin-bottom: 10px;
	color: var(--bz-gold);
	font: 500 clamp(40px, 4vw, 56px)/1 var(--bz-font-editorial);
}

main .course-row__body h3 {
	margin: 14px 0 14px;
	font: 500 clamp(28px, 2.8vw, 40px)/1.1 var(--bz-font-editorial);
}

.course-row__body h3 a {
	color: var(--bz-forest);
	text-decoration: none;
}

.course-row__body p {
	max-width: 560px;
	margin: 0 0 20px;
	color: var(--bz-muted-ink);
	font-size: 16px;
	line-height: 1.75;
}

.course-row__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 0 0 26px;
	padding: 0;
	list-style: none;
}

.course-row__meta li {
	padding: 6px 14px;
	border: 1px solid var(--bz-card-border);
	border-radius: 999px;
	color: var(--bz-forest);
	font-size: 13px;
	font-weight: 600;
}

.course-row__meta del {
	color: var(--bz-muted-ink);
	font-weight: 400;
}

.course-row__meta ins {
	text-decoration: none;
}

.course-rows__all {
	margin: clamp(32px, 4vw, 48px) 0 0;
	text-align: center;
}

.course-empty {
	max-width: 640px;
	margin: 0 auto;
	padding: 28px;
	border: 1px solid var(--bz-card-border);
	background: var(--bz-card-background);
	text-align: center;
}

/* Product band */
.product-band {
	display: grid;
	grid-template-columns: 1fr 1fr;
	align-items: center;
	background: var(--bz-forest);
	color: var(--bz-ivory);
}

.product-image {
	position: relative;
	height: clamp(360px, 38vw, 540px);
	overflow: hidden;
	background-color: var(--bz-product-fallback);
}

.product-image > img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 52%;
}

.product-copy {
	padding: var(--bz-section-y) clamp(28px, 7vw, 110px);
}

.product-band .eyebrow {
	color: var(--bz-gold-light);
}

.product-copy h2 {
	max-width: 600px;
	color: var(--bz-ivory);
}

.product-copy p {
	max-width: 480px;
	margin-bottom: 28px;
	color: var(--bz-copy-light);
	line-height: 1.8;
}

/* About */
.about {
	max-width: 820px;
	margin: 0 auto;
	padding: var(--bz-section-y) 24px;
	text-align: center;
}

.about p {
	color: var(--bz-muted-ink);
	font-size: 17px;
	line-height: 1.9;
}

.about__actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 14px;
	margin-top: 30px;
}

@keyframes bz-rise {
	from {
		opacity: 0;
		transform: translateY(24px);
	}
	to {
		opacity: 1;
		transform: none;
	}
}

@keyframes bz-zoom {
	from {
		transform: scale(1.08);
	}
	to {
		transform: scale(1);
	}
}


@media (max-width: 930px) {
	.hero {
		grid-template-columns: 1fr 1fr;
	}

	.sections {
		grid-template-columns: 1fr 1fr;
	}

	.section-card:last-child {
		grid-column: 1 / -1;
	}

}

@media (max-width: 690px) {
	.hero {
		grid-template-columns: 1fr;
	}

	.hero-photo {
		min-height: 320px;
	}

	.hero-photo::after {
		background: linear-gradient(180deg, var(--bz-deep) 0, transparent 30%);
	}

	.path {
		margin-top: -32px;
	}

	.path__steps {
		grid-template-columns: 1fr;
	}

	.path__steps li + li {
		border-top: 1px solid var(--bz-card-border);
		border-left: 0;
	}

	.sections,
	.course-row,
	.product-band {
		grid-template-columns: 1fr;
	}

	.section-card:last-child {
		grid-column: auto;
	}

	.section-card {
		min-height: 0;
	}
}
.course-card__image {
	position: relative;
}

.course-card__placeholder {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 12px;
	background: radial-gradient(ellipse at 72% 28%, rgba(195, 160, 113, .17), transparent 42%), var(--bz-forest);
	color: var(--bz-ivory);
	font-family: var(--bz-font-ui);
	letter-spacing: .2em;
}

.course-card__placeholder span:first-child {
	font-size: 23px;
	font-weight: 500;
	letter-spacing: .32em;
}

.course-card__placeholder span:last-child {
	padding-top: 10px;
	border-top: 1px solid var(--bz-gold);
	color: var(--bz-gold);
	font-size: 10px;
	font-weight: 600;
}

/* Hero carousel: brand slide plus chosen courses and products. */
.hero-carousel {
	position: relative;
	background: var(--bz-deep);
}

.hero-slide[hidden] {
	display: none;
}

/* With JS, all slides share one grid cell and crossfade; the carousel keeps the tallest slide's height. */
.hero-carousel.is-ready {
	display: grid;
}

.hero-carousel.is-ready > .hero-slide {
	grid-area: 1 / 1;
	visibility: hidden;
	opacity: 0;
	transition: opacity .9s var(--bz-ease), visibility 0s linear .9s;
}

.hero-carousel.is-ready > .hero-slide.is-active {
	z-index: 1;
	visibility: visible;
	opacity: 1;
	transition: opacity .9s var(--bz-ease), visibility 0s;
}

.hero-carousel.is-ready > .hero-slide:not(.is-active) .hero-copy,
.hero-carousel.is-ready > .hero-slide:not(.is-active) .hero-photo > img {
	animation: none;
}

.hero-carousel.is-ready > .hero-slide.is-active .hero-photo > img {
	animation: bz-zoom 9s ease-out both;
}

main .hero-slide__title {
	margin: 26px 0 30px;
	color: var(--bz-ivory);
	font-size: clamp(40px, 4.8vw, 76px);
	line-height: 1.02;
}

.hero-slide__meta {
	margin: 18px 0 0;
	color: var(--bz-gold-light) !important;
	font-weight: 600;
	letter-spacing: .04em;
}

.hero-slide__meta del {
	opacity: .7;
}

.hero-slide__meta ins {
	text-decoration: none;
}

.hero-carousel__controls {
	position: absolute;
	right: var(--bz-gutter);
	bottom: 88px;
	z-index: 3;
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 8px 10px;
	border-radius: 999px;
	background: rgba(29, 48, 39, .78);
	-webkit-backdrop-filter: blur(6px);
	backdrop-filter: blur(6px);
}

.hero-carousel__arrow {
	display: grid;
	place-items: center;
	width: 44px;
	height: 44px;
	padding: 0;
	border: 1px solid rgba(var(--bz-gold-rgb), .7);
	border-radius: 50%;
	background: transparent;
	color: var(--bz-gold-light);
	font-size: 18px;
	cursor: pointer;
	transition: background-color var(--bz-speed) var(--bz-ease), color var(--bz-speed) var(--bz-ease);
}

.hero-carousel__arrow:hover,
.hero-carousel__arrow:focus-visible {
	background: var(--bz-gold-light);
	color: var(--bz-deep);
}

.hero-carousel__dots {
	display: flex;
	gap: 8px;
}

.hero-carousel__dot {
	width: 26px;
	height: 4px;
	padding: 0;
	border: 0;
	border-radius: 2px;
	background: rgba(244, 240, 232, .3);
	cursor: pointer;
	transition: width var(--bz-speed) var(--bz-ease), background-color var(--bz-speed) var(--bz-ease);
}

.hero-carousel__dot[aria-current="true"] {
	width: 44px;
	background: var(--bz-gold-light);
}

@keyframes bz-fade {
	from {
		opacity: 0;
	}
	to {
		opacity: 1;
	}
}

@media (max-width: 690px) {
	.course-row:nth-child(even) .course-row__image {
		order: 0;
	}

	.course-row__image {
		min-height: 220px;
	}

	.hero-carousel__controls {
		position: static;
		grid-row: 2;
		justify-content: center;
		padding: 18px 0 72px;
	}
}

/* Course grid view ("Raster"), chosen with the view switch: three large cards per row. */
.bz-view-grid .course-rows {
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 24px;
}

.bz-view-grid .course-row {
	grid-template-columns: 1fr;
	grid-template-rows: auto 1fr;
}

.bz-view-grid .course-row .course-row__image,
.bz-view-grid .course-row:nth-child(even) .course-row__image {
	order: 0;
	min-height: 0;
	aspect-ratio: 16 / 10;
}

.bz-view-grid .course-row__body {
	justify-content: flex-start;
	padding: 26px 26px 28px;
}

.bz-view-grid .course-row__num {
	font-size: 34px;
}

main .bz-view-grid .course-row__body h3,
.bz-view-grid main .course-row__body h3 {
	font-size: 26px;
}

.bz-view-grid .course-row__body p {
	display: -webkit-box;
	overflow: hidden;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
}

.bz-view-grid .course-row__body .btn {
	margin-top: auto;
}

@media (max-width: 1100px) {
	.bz-view-grid .course-rows {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 767px) {
	.bz-view-grid .course-rows {
		grid-template-columns: 1fr;
	}
}