/**
 * citelayer Design System — Navigation
 * Header, Footer, Breadcrumb, Mobile Nav, Dropdown
 * Depends on: variables.css, base.css
 */

/* ============================================================
   HEADER / NAVIGATION
   Kein wp:navigation Block — volle CSS-Kontrolle über eigenes HTML.
   ============================================================ */

/* Admin Bar Offset — WordPress Admin Bar: 32px Desktop, 46px Mobile (<782px) */
.admin-bar .cl-header {
	top: 32px;
}

@media screen and (max-width: 782px) {
	.admin-bar .cl-header {
		top: 46px;
	}
}

.cl-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: var(--z-nav);
	padding: 0 var(--container-px);
	background: rgba(255, 255, 255, 0);
	backdrop-filter: blur(0) saturate(100%);
	-webkit-backdrop-filter: blur(0) saturate(100%);
	transition:
		background var(--duration-normal) ease,
		backdrop-filter var(--duration-normal) ease,
		box-shadow var(--duration-normal) ease;
}

/* Scrolled-State: halbtransparenter Hintergrund, Blur, Shadow */
.cl-header.is-scrolled {
	background: rgba(255, 255, 255, 0.92);
	backdrop-filter: blur(16px) saturate(150%);
	-webkit-backdrop-filter: blur(16px) saturate(150%);
	box-shadow: 0 1px 0 var(--cl-border), var(--cl-shadow-sm);
}

.cl-header__inner {
	max-width: var(--container-max);
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 72px;
	transition: height var(--duration-normal) ease;
}

.cl-header.is-scrolled .cl-header__inner {
	height: 60px;
}

/* Logo */
.citelayer-brand {
	font-family: var(--font-display);
	font-weight: 600;
}

.cl-header__logo {
	font-family: var(--font-display);
	font-weight: var(--weight-semibold);
	text-decoration: none;
	font-size: var(--text-3xl);
	letter-spacing: var(--tracking-snug);
	color: var(--cl-text);
	display: flex;
	align-items: center;
	gap: var(--space-3);
	flex-shrink: 0;
}

.cl-header__logo-icon {
	width: 28px;
	height: 28px;
	flex-shrink: 0;
}

.cl-header__logo-text {
	color: var(--cl-text);
	text-decoration: none;
}

/* "cite" in Purple, "layer" in Dark Gray */
.cl-header__logo-cite {
	color: var(--cl-prism-1);
}

.cl-header__logo-layer {
	color: var(--cl-text);
}

.cl-header__logo-reg {
	font-size: 0.5em;
	color: var(--cl-text-tertiary);
	vertical-align: super;
	top: -0.2em;
	position: relative;
}

/* Nav Links — Desktop: inline horizontal */
.cl-header__nav {
	display: flex;
	align-items: center;
	gap: 2rem;
}

.cl-header__link {
	font-family: var(--font-display);
	font-weight: var(--weight-medium);
	font-size: var(--text-base);
	color: var(--cl-text-secondary);
	text-decoration: none;
	transition: color var(--duration-fast) ease;
	position: relative;
}

.cl-header__link::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--cl-prism-1);
	border-radius: 1px;
	transform: scaleX(0);
	transform-origin: center;
	transition: transform var(--duration-normal) var(--ease-out-expo);
}

.cl-header__link:hover { color: var(--cl-text); }
.cl-header__link:hover::after { transform: scaleX(1); }

.cl-header__link[aria-current="page"] {
	color: var(--cl-text);
}

.cl-header__link[aria-current="page"]::after {
	transform: scaleX(1);
}

/* Header CTA Button — solides Purple, KEINE animierte Gradient */
.cl-header__cta {
	font-family: var(--font-display);
	font-weight: var(--weight-semibold);
	font-size: 0.875rem;
	padding: 0.625rem 1.5rem;
	border-radius: var(--radius-full);
	background: var(--cl-prism-1);
	color: #fff;
	text-decoration: none;
	white-space: nowrap;
	transition: all var(--duration-normal) ease;
	display: inline-flex;
	align-items: center;
}

.cl-header__cta:hover {
	filter: brightness(0.88);
	transform: translateY(-1px);
	box-shadow: 0 4px 16px rgba(103, 80, 164, 0.3);
}

/* Hamburger Toggle — Desktop versteckt */
.cl-header__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	padding: 8px;
	cursor: pointer;
	background: none;
	border: none;
	z-index: calc(var(--z-nav) + 2);
}

.cl-header__toggle span {
	width: 22px;
	height: 2px;
	background: var(--cl-text);
	border-radius: 2px;
	transition: all var(--duration-normal) ease;
	display: block;
}

/* Hamburger → X Animation (Span-Rotation) */
.cl-header__toggle.is-open span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.cl-header__toggle.is-open span:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}

.cl-header__toggle.is-open span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Desktop (ab 981px): Toggle versteckt, Nav inline */
@media (min-width: 981px) {
	.cl-header__toggle {
		display: none !important;
	}
}

/* Mobile/Tablet (bis 980px): Hamburger + Fullscreen-Overlay */
@media (max-width: 980px) {
	/* Logo kleiner auf Mobile */
	.cl-header__logo {
		font-size: var(--text-xl);
	}

	.cl-header__logo-icon {
		width: 24px;
		height: 24px;
	}

	/* Hamburger-Toggle sichtbar */
	.cl-header__toggle {
		display: flex;
	}

	/* Nav: Standard versteckt, Fullscreen-Overlay bei .is-open */
	/* Achtung: Parent .cl-header hat backdrop-filter → erzeugt Containing Block.
	   Deshalb position:fixed auf der Nav relativ zum Header, nicht zum Viewport.
	   Workaround: 100vh/100vw + negative Offsets um den gesamten Screen abzudecken. */
	/* Overlay sitzt relativ zum Header (der bereits Admin Bar berücksichtigt) */
	.cl-header__nav {
		display: none;
		position: fixed;
		top: 72px; /* Direkt unter dem Header */
		left: 0;
		width: 100vw;
		height: calc(100vh - 72px);
		height: calc(100dvh - 72px);
		background: rgba(255, 255, 255, 0.98);
		backdrop-filter: blur(24px);
		-webkit-backdrop-filter: blur(24px);
		flex-direction: column;
		justify-content: flex-start; /* NICHT center — sonst rutschen obere Links hinter Header */
		align-items: center;
		gap: var(--space-8);
		z-index: calc(var(--z-nav) + 1);
		overflow-y: auto; /* Scrollbar wenn Inhalt höher als Viewport */
	}

	/* Offener Zustand: Padding + nahtloser Übergang zum Header */
	.cl-header__nav.is-open {
		display: flex;
		padding: var(--space-8) var(--space-5);
	}

	/* Erstes Nav-Element bekommt auto-margin oben → zentriert wenn Platz da, scrollbar wenn nicht */
	.cl-header__nav > :first-child {
		margin-top: auto;
	}

	/* Letztes Element (CTA) bekommt auto-margin unten → symmetrische Zentrierung */
	.cl-header__nav .cl-header__cta {
		margin-bottom: auto;
	}

	/* Header-Unterkante ausblenden wenn Menü offen */
	.cl-header.nav-open {
		border-bottom-color: transparent;
		box-shadow: none;
	}

	/* Links im Overlay: größer, zentriert */
	.cl-header__nav .cl-header__link {
		font-size: var(--text-xl);
		font-weight: var(--weight-semibold);
		color: var(--cl-text);
	}

	/* Underline-Effekt im Overlay deaktivieren */
	.cl-header__nav .cl-header__link::after {
		display: none;
	}

	.cl-header__nav .cl-header__link:hover {
		color: var(--cl-prism-1);
	}

	/* Dropdowns: inline statt absolute auf Mobile */
	.cl-header__dropdown {
		position: static;
		display: flex;
		flex-direction: column;
		align-items: center;
		gap: 0;
	}

	.cl-header__dropdown-menu {
		position: static;
		transform: none;
		opacity: 1;
		visibility: visible;
		background: transparent;
		backdrop-filter: none;
		border: none;
		box-shadow: none;
		padding: var(--space-3) 0 0;
		min-width: auto;
		display: flex;
		flex-direction: column;
		align-items: center;
		gap: var(--space-2);
	}

	.cl-header__dropdown-item {
		text-align: center;
		padding: var(--space-2) var(--space-4);
		font-size: var(--text-sm);
	}

	.cl-header__dropdown-item strong {
		font-size: var(--text-sm);
	}

	.cl-header__dropdown-item small {
		display: none;
	}

	/* CTA im Overlay sichtbar, etwas größer als Desktop */
	.cl-header__nav .cl-header__cta {
		margin-top: var(--space-5);
		font-size: var(--text-md);
		padding: 0.875rem 2rem;
	}
}

/* Admin Bar wird bereits vom Header berücksichtigt — kein Extra-Offset nötig */

/* Dropdown Navigation (für Service/Industry Mega-Menü — Zukunft) */
.cl-header__dropdown {
	position: relative;
}

.cl-header__dropdown-menu {
	position: absolute;
	top: calc(100% + 12px);
	left: 50%;
	transform: translateX(-50%);
	background: rgba(255, 255, 255, 0.98);
	backdrop-filter: blur(24px);
	border: 1px solid var(--cl-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--cl-shadow-xl);
	padding: var(--space-5);
	min-width: 240px;
	opacity: 0;
	visibility: hidden;
	transform: translateX(-50%) translateY(-8px);
	transition: all var(--duration-normal) var(--ease-out-expo);
}

.cl-header__dropdown:hover .cl-header__dropdown-menu,
.cl-header__dropdown:focus-within .cl-header__dropdown-menu {
	opacity: 1;
	visibility: visible;
	transform: translateX(-50%) translateY(0);
}

.cl-header__dropdown-item {
	display: block;
	padding: var(--space-4) var(--space-5);
	border-radius: var(--radius-sm);
	color: var(--cl-text-secondary);
	font-size: var(--text-base);
	transition: all var(--duration-fast) ease;
}

.cl-header__dropdown-item:hover {
	background: var(--cl-bg-purple);
	color: var(--cl-prism-1);
}

.cl-header__dropdown-item strong {
	display: block;
	color: var(--cl-text);
	font-weight: var(--weight-semibold);
	font-size: var(--text-base);
}

.cl-header__dropdown-item small {
	display: block;
	color: var(--cl-text-tertiary);
	font-size: var(--text-xs);
	margin-top: 2px;
}

/* ============================================================
   FOOTER
   ============================================================ */

.cl-footer {
	background: var(--cl-bg-alt);
	border-top: 1px solid var(--cl-border);
	padding: 4rem 0 2rem;
}

.cl-footer__grid {
	display: grid;
	grid-template-columns: 2fr 1fr 1fr 1fr;
	gap: 3rem;
	margin-bottom: 3rem;
}

@media (max-width: 768px) {
	.cl-footer__grid {
		grid-template-columns: 1fr;
		gap: 2rem;
	}
}

.cl-footer__brand {
	font-family: var(--font-display);
	font-weight: var(--weight-semibold);
	font-size: var(--text-3xl);
	color: var(--cl-text);
}

.cl-footer__brand span { color: var(--cl-prism-1); }

.cl-footer__tagline {
	font-size: var(--text-sm);
	color: var(--cl-text-tertiary);
	margin-top: var(--space-2);
	margin-bottom: var(--space-7);
}

.cl-footer__desc {
	font-size: var(--text-sm);
	color: var(--cl-text-secondary);
	line-height: var(--leading-relaxed);
	max-width: 280px;
}

.cl-footer__heading {
	font-family: var(--font-display);
	font-weight: var(--weight-semibold);
	font-size: var(--text-base);
	color: var(--cl-text);
	margin-bottom: var(--space-6);
}

.cl-footer__links {
	display: flex;
	flex-direction: column;
	gap: var(--space-4);
}

.cl-footer__link {
	font-size: var(--text-sm);
	color: var(--cl-text-secondary);
	transition: color var(--duration-fast) ease;
}

.cl-footer__link:hover { color: var(--cl-prism-1); }

.cl-footer__bottom {
	padding-top: 2rem;
	border-top: 1px solid var(--cl-border);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-5);
	flex-wrap: wrap;
}

.cl-footer__copy {
	font-size: var(--text-sm);
	color: var(--cl-text-tertiary);
}

.cl-footer__legal {
	display: flex;
	gap: var(--space-7);
}

.cl-footer__legal a {
	font-size: var(--text-sm);
	color: var(--cl-text-tertiary);
	transition: color var(--duration-fast) ease;
}

.cl-footer__legal a:hover { color: var(--cl-prism-1); }

/* ============================================================
   RANKMATH BREADCRUMBS
   ============================================================ */

.rank-math-breadcrumb {
	font-size: var(--text-sm);
	color: var(--cl-text-tertiary);
	margin-bottom: var(--space-8);
	line-height: 1.5;
}

.rank-math-breadcrumb a {
	color: var(--cl-text-secondary);
	text-decoration: none;
	transition: color 0.2s ease;
}

.rank-math-breadcrumb a:hover {
	color: var(--cl-prism-1);
}

.rank-math-breadcrumb .separator {
	margin: 0 0.5rem;
	color: var(--cl-text-tertiary);
}