/*
 * tpl_imhof_cyber – layout.css
 * Bühne, Header, Navigation, Szenen, Footer. Mobile-first.
 * (C) 2026 Webdesign Imhof, Mannheim
 */

/* ---------- Bühne (WebGL + statisches Fallback) ---------- */
.stage {
	position: fixed;
	inset: 0;
	z-index: -1;
	overflow: hidden;
	pointer-events: none;
	background:
		radial-gradient(60% 50% at 70% 20%, rgba(127, 0, 255, 0.16), transparent 70%),
		radial-gradient(50% 40% at 20% 80%, rgba(0, 242, 254, 0.1), transparent 70%),
		var(--c-bg);
}

.stage__fallback {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 0.55;
	transition: opacity 900ms var(--ease);
}

.stage__canvas {
	position: absolute;
	inset: 0;
	width: 100% !important;
	height: 100% !important;
	opacity: 0;
	transition: opacity 900ms var(--ease);
}

/* animations.js setzt .has-webgl, sobald die 3D-Szene läuft */
.has-webgl .stage__canvas { opacity: 1; }
.has-webgl .stage__fallback { opacity: 0.12; }

.stage__grid {
	position: absolute;
	inset: -50%;
	background-image:
		linear-gradient(rgba(0, 242, 254, 0.06) 1px, transparent 1px),
		linear-gradient(90deg, rgba(0, 242, 254, 0.06) 1px, transparent 1px);
	background-size: 64px 64px;
	transform: perspective(900px) rotateX(58deg) translateY(10%);
	transform-origin: center;
	mask-image: radial-gradient(closest-side, #000 30%, transparent 85%);
	-webkit-mask-image: radial-gradient(closest-side, #000 30%, transparent 85%);
}

.stage__vignette {
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse at center, transparent 45%, rgba(13, 15, 18, 0.85) 100%);
}

/* ---------- Header ---------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	height: var(--header-h);
	border-bottom: 1px solid var(--c-line-soft);
	background: rgba(13, 15, 18, 0.55);
	-webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
	backdrop-filter: blur(var(--blur)) saturate(140%);
	transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.site-header::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: -1px;
	height: 1px;
	background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.6), rgba(127, 0, 255, 0.6), transparent);
	opacity: 0.6;
}

.site-header.is-scrolled {
	background: rgba(13, 15, 18, 0.88);
}

.site-header__inner {
	display: flex;
	align-items: center;
	gap: var(--space-5);
	height: 100%;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: var(--space-3);
	color: var(--c-text);
	text-decoration: none;
	margin-right: auto;
}

.brand:hover { color: var(--c-text); }

.brand__mark {
	color: var(--c-cyan);
	filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.5));
}

.brand__text {
	display: flex;
	flex-direction: column;
	line-height: 1.1;
}

.brand__name {
	font-family: var(--f-display);
	font-weight: 600;
	font-size: 1.0625rem;
	letter-spacing: 0.01em;
}

.brand__sub {
	color: var(--c-text-muted);
	font-size: var(--fs-xs);
}

.brand__logo {
	width: auto;
	max-height: 40px;
}

/* Navigation (mod_menu) */
.site-nav ul {
	display: flex;
	gap: var(--space-1);
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-nav a {
	display: block;
	padding: var(--space-2) var(--space-3);
	border: 1px solid transparent;
	border-radius: var(--radius-sm);
	color: var(--c-text);
	font-size: var(--fs-sm);
	text-decoration: none;
}

.site-nav a:hover,
.site-nav .active > a,
.site-nav [aria-current="page"] {
	border-color: var(--c-line);
	background: rgba(0, 242, 254, 0.06);
	color: #8AF9FF;
}

.nav-toggle {
	display: none;
	position: relative;
	width: 2.75rem;
	height: 2.75rem;
	border: 1px solid var(--c-line);
	border-radius: var(--radius-sm);
	background: transparent;
	cursor: pointer;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
	position: absolute;
	left: 50%;
	width: 1.125rem;
	height: 2px;
	margin-left: -0.5625rem;
	background: var(--c-cyan);
	transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle__bar { top: 50%; }
.nav-toggle__bar::before { content: ""; top: -6px; left: 0; margin: 0; }
.nav-toggle__bar::after { content: ""; top: 6px; left: 0; margin: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 63.99em) {
	/* Mit JavaScript: Klappmenü. Ohne JavaScript: Menü bleibt unter dem Header sichtbar. */
	.js .nav-toggle {
		display: inline-block;
		order: 3;
	}

	.js .site-nav {
		position: absolute;
		top: var(--header-h);
		left: 0;
		right: 0;
		padding: var(--space-4) var(--gutter) var(--space-5);
		border-bottom: 1px solid var(--c-line);
		background: rgba(13, 15, 18, 0.97);
		-webkit-backdrop-filter: blur(var(--blur));
		backdrop-filter: blur(var(--blur));
	}

	.js .site-nav:not(.is-open) {
		display: none;
	}

	.site-nav ul {
		flex-direction: column;
	}

	.no-js .site-header {
		height: auto;
	}

	.no-js .site-header__inner {
		flex-wrap: wrap;
		padding-block: var(--space-3);
	}

	.no-js .site-nav {
		order: 3;
		width: 100%;
	}

	.no-js .site-nav ul {
		flex-direction: row;
		flex-wrap: wrap;
	}

	.site-header__cta .btn {
		padding-inline: 0.75rem;
	}
}

@media (max-width: 29.99em) {
	.site-header__cta { display: none; }
}

/* ---------- Szenen ---------- */
.site-main {
	position: relative;
}

.scene {
	position: relative;
	padding-block: var(--space-8);
}

.scene__inner {
	display: grid;
	gap: var(--space-6);
}

.scene__panels {
	display: grid;
	gap: var(--space-5);
}

/* Grid-Kinder dürfen schmaler werden als ihr Inhalt (z. B. Code-Blöcke), sonst entsteht mobil Querscrollen */
.scene__inner > *,
.scene__panels > *,
.scene__modules > * {
	min-width: 0;
}

/* Startseite Desktop: Szenen füllen den Viewport, Panels sitzen links oder rechts der 3D-Bühne */
@media (min-width: 64em) {
	.is-home .scene--3d {
		min-height: 100svh;
		display: flex;
		align-items: center;
		padding-block: var(--space-9);
	}

	.scene--3d .scene__inner {
		grid-template-columns: repeat(12, minmax(0, 1fr));
		align-items: start;
	}

	.scene--3d .scene__inner > * {
		grid-column: 1 / -1;
	}

	.scene__panels--left { grid-column: 1 / span 5 !important; }
	.scene__panels--right { grid-column: 8 / span 5 !important; }

	.scene--3d .scene__modules {
		display: grid;
		grid-template-columns: repeat(12, minmax(0, 1fr));
		gap: var(--space-6);
	}

	.scene__modules > .hud-panel { grid-column: 1 / span 5; }
	.scene__modules > .hud-panel.is-right { grid-column: 8 / span 5; }
	.scene__modules > .hud-panel.is-wide { grid-column: 1 / -1; }
}

/* ---------- Hero ---------- */
.scene--schloss-hero {
	padding-top: var(--space-7);
}

.hero {
	max-width: 52rem;
}

.hero__eyebrow {
	display: inline-flex;
	gap: var(--space-2);
	align-items: center;
	margin-bottom: var(--space-5);
	padding: var(--space-1) var(--space-3);
	border: 1px solid var(--c-line);
	border-radius: 999px;
	background: rgba(0, 242, 254, 0.06);
	color: #8AF9FF;
	font-size: var(--fs-xs);
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.hero__title {
	margin-bottom: var(--space-5);
	text-shadow: 0 0 40px rgba(0, 242, 254, 0.15);
}

.hero__lead {
	max-width: 44rem;
	color: var(--c-text-muted);
	font-size: var(--fs-lg);
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-3);
	margin-block: var(--space-6);
}

.trust-bar {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2) var(--space-5);
	margin: 0 0 var(--space-6);
	padding: 0;
	list-style: none;
	color: var(--c-text-muted);
	font-size: var(--fs-xs);
}

.trust-bar__item {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
}

.trust-bar__item + .trust-bar__item::before {
	content: "";
	width: 4px;
	height: 4px;
	margin-right: var(--space-2);
	border-radius: 50%;
	background: var(--c-cyan);
}

.trust-bar__item--badge {
	padding: var(--space-1) var(--space-3);
	border: 1px solid var(--c-line);
	border-radius: var(--radius-sm);
	color: var(--c-text);
}

.trust-bar__item--badge + .trust-bar__item::before { display: none; }

.hero__tour {
	gap: var(--space-3);
}

@media (min-width: 64em) {
	.scene--schloss-hero .scene__inner > .hero { grid-column: 1 / span 8; }
	.scene--schloss-hero .scene__panels--right { align-self: end; }
}

/* ---------- Quadrate-Raster ---------- */
.quadrate__title {
	font-size: var(--fs-h3);
}

.quadrate__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
	gap: var(--space-4);
	margin: 0 0 var(--space-4);
	padding: 0;
	list-style: none;
	perspective: 1200px;
}

.quadrat {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
	min-height: 11rem;
	padding: var(--space-5) var(--space-4) var(--space-4);
	border: 1px solid var(--c-line-soft);
	border-radius: var(--radius);
	background: linear-gradient(160deg, rgba(30, 36, 46, 0.85), rgba(13, 15, 18, 0.9));
	box-shadow: 0 10px 0 -2px rgba(0, 0, 0, 0.55), 0 14px 30px rgba(0, 0, 0, 0.4);
	transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.quadrat:hover,
.quadrat:focus-within {
	transform: translateY(-6px);
	border-color: var(--c-line);
	box-shadow: 0 16px 0 -2px rgba(0, 0, 0, 0.55), 0 0 30px rgba(0, 242, 254, 0.18);
}

.quadrat__code {
	position: absolute;
	top: var(--space-3);
	right: var(--space-4);
	color: rgba(0, 242, 254, 0.5);
	font-family: var(--f-display);
	font-size: 1.5rem;
	font-weight: 700;
}

.quadrat__badge {
	align-self: flex-start;
	font-size: 0.6875rem;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--c-text-muted);
}

.quadrat__badge.demo-badge {
	max-width: calc(100% - 3rem);
	border-radius: var(--radius-sm);
	white-space: normal;
	line-height: 1.3;
}

.quadrat__title {
	margin: 0;
	font-size: 1.0625rem;
	padding-right: 2.5rem;
}

.quadrat__title a {
	color: var(--c-text);
	text-decoration: none;
}

.quadrat__title a::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
}

.quadrat__title a:hover { color: #8AF9FF; }

.quadrat__text {
	margin: 0;
	color: var(--c-text-muted);
	font-size: var(--fs-sm);
}

.quadrat--making-of { border-color: rgba(0, 242, 254, 0.35); }
.quadrat--vorbereitung { opacity: 0.8; border-style: dashed; }

.quadrat--lead {
	border-color: rgba(127, 0, 255, 0.6);
	background: linear-gradient(160deg, rgba(127, 0, 255, 0.25), rgba(13, 15, 18, 0.9));
	box-shadow: 0 10px 0 -2px rgba(0, 0, 0, 0.55), var(--glow-violet);
}

.quadrate__note {
	color: var(--c-text-muted);
	font-size: var(--fs-xs);
}

/* ---------- Leistungen / Dashboard ---------- */
.services__title {
	margin-bottom: var(--space-5);
}

.services__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
	gap: var(--space-4);
	margin: 0 0 var(--space-4);
	padding: 0;
	list-style: none;
}

.services__prices {
	color: var(--c-text-muted);
	font-size: var(--fs-sm);
}

/* ---------- Abschluss ---------- */
.scene--lead-funnel .scene__inner {
	max-width: 48rem;
}

.closing {
	text-align: center;
}

.closing__lead {
	color: var(--c-text-muted);
	font-size: var(--fs-lg);
}

/* ---------- Unterseiten ---------- */
.page-container {
	padding-block: var(--space-7);
}

.page-content {
	padding: clamp(var(--space-5), 4vw, var(--space-7));
	border: 1px solid var(--c-line-soft);
	border-radius: var(--radius-lg);
}

.page-content > :last-child { margin-bottom: 0; }

.main-top,
.main-bottom {
	display: grid;
	gap: var(--space-5);
	margin-block: var(--space-6);
}

.glass {
	background: var(--c-surface);
	-webkit-backdrop-filter: blur(var(--blur)) saturate(130%);
	backdrop-filter: blur(var(--blur)) saturate(130%);
}

/* Fallback ohne backdrop-filter: deckender Hintergrund für Lesbarkeit */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
	.glass,
	.hud-panel,
	.site-header {
		background: var(--c-surface-strong);
	}
}

/* Breadcrumbs (mod_breadcrumbs) */
.mod-breadcrumbs,
.breadcrumb {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2);
	margin: 0 0 var(--space-4);
	padding: 0;
	list-style: none;
	color: var(--c-text-muted);
	font-size: var(--fs-xs);
}

/* ---------- Assistent-Dock ---------- */
.assistant-dock {
	position: fixed;
	right: var(--gutter);
	bottom: var(--gutter);
	z-index: 90;
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: var(--space-3);
	max-width: min(24rem, calc(100vw - 2 * var(--gutter)));
}

/* Solange aio-assistant.js nicht läuft (oder ohne JavaScript), steht der Assistent
   als normaler Block am Seitenende. Das Skript setzt .is-ready und macht daraus ein Dock. */
.assistant-dock:not(.is-ready) {
	position: static;
	max-width: var(--container);
	margin: 0 auto var(--space-7);
	padding-inline: var(--gutter);
	align-items: stretch;
}

.assistant-dock.is-ready .assistant:not(.is-open) {
	display: none;
}

/* ---------- Footer ---------- */
.site-footer {
	position: relative;
	margin-top: var(--space-8);
	border-top: 1px solid var(--c-line-soft);
	background: rgba(13, 15, 18, 0.92);
	color: var(--c-text-muted);
	font-size: var(--fs-sm);
}

.site-footer__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
	gap: var(--space-6);
	padding-block: var(--space-7);
}

.site-footer__name {
	margin: 0;
	color: var(--c-text);
	font-family: var(--f-display);
	font-size: 1.25rem;
	font-weight: 600;
}

.site-footer__sub {
	margin-bottom: var(--space-4);
}

.site-footer__address {
	margin-bottom: var(--space-4);
	font-style: normal;
}

.site-footer__heading {
	margin-bottom: var(--space-3);
	color: var(--c-text);
	font-weight: 600;
}

.site-footer__links {
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-footer__links li + li {
	margin-top: var(--space-2);
}

.site-footer a {
	color: var(--c-text-muted);
}

.site-footer a:hover {
	color: var(--c-cyan);
}

.site-footer__bottom {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: var(--space-2);
	padding-block: var(--space-4);
	border-top: 1px solid var(--c-line-soft);
	font-size: var(--fs-xs);
}

.site-footer__bottom p { margin: 0; }

.made-in {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: var(--space-1) var(--space-3);
	border: 1px solid var(--c-line);
	border-radius: var(--radius-sm);
	color: var(--c-text);
	font-size: var(--fs-xs);
	letter-spacing: 0.04em;
}

/* ---------- Fehler- und Wartungsseite ---------- */
.error {
	display: grid;
	place-items: center;
	min-height: 100vh;
	padding-block: var(--space-7);
}

.error__panel {
	max-width: 36rem;
}

.error__title {
	font-size: var(--fs-h2);
}

.error__debug {
	margin-top: var(--space-5);
	overflow-x: auto;
	font-size: var(--fs-xs);
}

/* ---------- Druck ---------- */
@media print {
	.stage,
	.site-header,
	.assistant-dock,
	.site-footer__grid .site-footer__col,
	.hero__tour,
	.funnel {
		display: none !important;
	}

	body {
		background: #fff;
		color: #000;
	}

	.hud-panel {
		border: 1px solid #999 !important;
		background: none !important;
		box-shadow: none !important;
	}

	a { color: #000; }
}

/* Footer: Kontaktliste und Projekthinweis */
.site-footer__project {
	margin-bottom: var(--space-3);
	color: var(--c-text);
	font-size: var(--fs-xs);
	letter-spacing: 0.02em;
}

.site-footer__contact {
	margin: 0 0 var(--space-3);
	padding: 0;
	list-style: none;
}

.site-footer__contact li + li {
	margin-top: var(--space-1);
}

.site-footer__hours {
	font-size: var(--fs-xs);
}