/* MARCH PUMPEN – Header, Hauptnavigation und Mega-Menü
   Breakpoint Navigation: 72rem (darunter Menü-Button und Akkordeon). */

.site-header {
	position: sticky;
	top: 0;
	z-index: 90;
	background: rgba(5, 15, 26, .72);
	-webkit-backdrop-filter: blur(16px);
	backdrop-filter: blur(16px);
	border-bottom: 1px solid var(--color-line);
	transition: background-color .3s;
}
.site-header.is-scrolled { background: rgba(5, 15, 26, .94); }

/* Eingeloggt: Platz für die WordPress-Admin-Leiste */
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }
@media (max-width: 600px) { .admin-bar .site-header { top: 0; } }

.site-header__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: .75rem 1.75rem;
	min-height: 6.25rem;
	transition: min-height .3s var(--ease);
}
.site-header.is-scrolled .site-header__inner { min-height: 4.75rem; }

/* Logo */
.site-logo {
	flex: none;
	display: block;
	padding: .3rem .5rem;
	border-radius: .75rem;
	background: #fff;
	line-height: 0;
}
.site-logo img {
	width: auto;
	height: 4.4rem;
	transition: height .3s var(--ease);
}
.site-header.is-scrolled .site-logo img { height: 3.2rem; }

/* ------------------------------------------------------------------
   Hauptnavigation (Ebene 1)
   ------------------------------------------------------------------ */
.primary-nav { margin-inline-start: auto; }

.primary-nav__list {
	display: flex;
	gap: clamp(1rem, 2vw, 2rem);
	margin: 0;
	padding: 0;
	list-style: none;
}

.primary-nav__list > li {
	display: flex;
	align-items: center;
}

.primary-nav__list > li > a {
	position: relative;
	display: block;
	padding: .5rem 0;
	font-weight: 700;
	text-decoration: none;
}
.primary-nav__list > li > a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 0;
	height: 3px;
	background: var(--color-cyan);
	transition: width .25s var(--ease);
}
.primary-nav__list > li > a:hover::after,
.primary-nav__list > li > a:focus-visible::after,
.primary-nav__list > .current-menu-item > a::after,
.primary-nav__list > .current-menu-ancestor > a::after,
.primary-nav__list > .is-open > a::after { width: 100%; }

/* Button für das Untermenü */
.submenu-toggle {
	display: grid;
	place-items: center;
	width: 2rem;
	height: 2rem;
	margin-inline-start: .1rem;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: inherit;
	transition: background-color .2s, color .2s;
}
.submenu-toggle:hover { background: rgba(255, 255, 255, .1); color: var(--color-cyan); }
.submenu-toggle .icon {
	width: 1.1rem;
	height: 1.1rem;
	transition: transform .3s var(--ease);
}
.submenu-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }

/* ------------------------------------------------------------------
   Mega-Menü (Ebene 2)
   ------------------------------------------------------------------ */
.mega__eyebrow {
	margin: 0 0 .75rem;
	color: var(--color-cyan);
	font-size: .875rem;
	font-weight: 700;
	letter-spacing: .12em;
	text-transform: uppercase;
}

.mega__lead {
	margin: 0 0 1.5rem;
	color: var(--color-text-muted);
	font-size: 1.05rem;
	line-height: 1.5;
}

.mega__all {
	display: inline-flex;
	align-items: center;
	gap: .6rem;
	color: #fff;
	font-weight: 700;
	text-decoration: none;
}
.mega__all .icon { color: var(--color-cyan); transition: transform .25s var(--ease); }
.mega__all:hover { color: var(--color-cyan); }
.mega__all:hover .icon { transform: translateX(.3rem); }

.mega__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
	gap: .25rem .75rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.mega-card {
	position: relative;
	display: flex;
	align-items: flex-start;
	gap: 1rem;
	height: 100%;
	padding: .9rem 1rem;
	border: 1px solid transparent;
	border-radius: 1rem;
	text-decoration: none;
	transition: background-color .2s, border-color .2s, transform .3s var(--ease);
}
.mega-card:hover,
.mega-card:focus-visible {
	border-color: rgba(71, 208, 255, .28);
	background: rgba(71, 208, 255, .08);
	transform: translateY(-2px);
}

.mega-card__icon {
	flex: none;
	display: grid;
	place-items: center;
	width: 2.9rem;
	height: 2.9rem;
	border-radius: .9rem;
	background: linear-gradient(135deg, rgba(11, 143, 223, .38), rgba(71, 208, 255, .1));
	box-shadow: inset 0 0 0 1px rgba(71, 208, 255, .18);
	color: var(--color-cyan);
	transition: background .25s, color .25s, box-shadow .25s;
}
.mega-card__icon .icon { width: 1.4rem; height: 1.4rem; }
.mega-card:hover .mega-card__icon,
.mega-card:focus-visible .mega-card__icon {
	background: linear-gradient(135deg, var(--color-blue), var(--color-blue-deep));
	box-shadow: 0 8px 22px rgba(11, 143, 223, .45);
	color: #fff;
}

.mega-card__text {
	flex: 1;
	min-width: 0;
	display: grid;
	gap: .15rem;
}
.mega-card__title {
	color: #fff;
	font-size: 1.05rem;
	font-weight: 700;
	line-height: 1.25;
}
.mega-card__desc {
	color: var(--color-text-muted);
	font-size: .9rem;
	line-height: 1.4;
}

.mega-card__arrow {
	flex: none;
	align-self: center;
	width: 1.1rem;
	height: 1.1rem;
	color: var(--color-cyan);
	opacity: 0;
	transform: translateX(-.5rem);
	transition: opacity .2s, transform .3s var(--ease);
}
.mega-card:hover .mega-card__arrow,
.mega-card:focus-visible .mega-card__arrow {
	opacity: 1;
	transform: none;
}

/* ------------------------------------------------------------------
   Desktop: Panel unter dem Header
   ------------------------------------------------------------------ */
@media (width >= 72rem) {
	.mega {
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		border-top: 1px solid var(--color-line);
		border-bottom: 1px solid var(--color-line);
		background: linear-gradient(180deg, #0b1e33 0%, #06121f 100%);
		box-shadow: 0 40px 80px rgba(0, 0, 0, .55);
		opacity: 0;
		visibility: hidden;
		transform: translateY(-.5rem);
		transition: opacity .2s ease, transform .4s var(--ease), visibility 0s linear .4s;
	}

	.is-open > .mega {
		opacity: 1;
		visibility: visible;
		transform: none;
		transition-delay: 0s;
	}

	/* Ohne JavaScript: Hover und Tastaturfokus öffnen das Panel */
	html:not(.js) .menu-item-has-children:hover > .mega,
	html:not(.js) .menu-item-has-children:focus-within > .mega {
		opacity: 1;
		visibility: visible;
		transform: none;
		transition-delay: 0s;
	}

	.mega__inner {
		display: grid;
		grid-template-columns: minmax(14rem, 19rem) 1fr;
		gap: clamp(2rem, 4vw, 4rem);
		padding-block: 2.5rem 3rem;
	}

	.mega__intro {
		padding-right: clamp(1.5rem, 3vw, 3rem);
		border-right: 1px solid var(--color-line);
	}

	.is-open .mega-card {
		animation: mega-in .5s var(--ease) both;
		animation-delay: calc(var(--i, 0) * 35ms + 60ms);
	}

	/* Seite hinter dem geöffneten Panel abdunkeln */
	body::after {
		content: "";
		position: fixed;
		inset: 0;
		z-index: 80;
		background: rgba(2, 8, 15, .55);
		opacity: 0;
		pointer-events: none;
		transition: opacity .3s ease;
	}
	body.has-mega-open::after { opacity: 1; }
}

@keyframes mega-in {
	from { opacity: 0; transform: translateY(.6rem); }
	to { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------------
   Aktionen: Suche und Anfrage
   ------------------------------------------------------------------ */
.site-header__actions {
	display: flex;
	align-items: center;
	gap: .75rem;
}

.btn--header {
	min-height: 2.9rem;
	padding: 0 1.3rem;
}
.btn--header .icon { width: 1.1rem; height: 1.1rem; transition: transform .25s var(--ease); }
.btn--header:hover .icon { transform: translate(2px, -2px); }

.search-toggle,
.menu-toggle {
	display: inline-flex;
	align-items: center;
	gap: .5rem;
	min-height: 2.9rem;
	padding: 0 1.1rem;
	border: 1px solid var(--color-line);
	border-radius: 999px;
	background: rgba(255, 255, 255, .08);
	font-weight: 700;
	transition: border-color .2s, color .2s, background-color .2s;
}
.search-toggle:hover,
.menu-toggle:hover {
	border-color: var(--color-cyan);
	color: var(--color-cyan);
}

/* Menü-Button: nur mit JavaScript und unterhalb des Breakpoints */
.menu-toggle { display: none; }
.menu-toggle__close,
.menu-toggle[aria-expanded="true"] .menu-toggle__open { display: none; }
.menu-toggle[aria-expanded="true"] .menu-toggle__close { display: block; }

/* ------------------------------------------------------------------
   Kompakte Ansicht: Menü-Button, Akkordeon
   ------------------------------------------------------------------ */
@media (width < 72rem) {
	.site-header__actions { margin-inline-start: auto; }

	/* Ohne JavaScript: Navigation klappt unter den Kopf, Untermenüs sind offen */
	.primary-nav {
		order: 3;
		flex: 1 0 100%;
		margin: 0;
		padding-bottom: 1rem;
	}
	.primary-nav__list { flex-wrap: wrap; gap: .25rem 1.5rem; }
	html:not(.js) .submenu-toggle { display: none; }

	/* Mit JavaScript: Panel unter dem Kopf */
	.js .menu-toggle { display: inline-flex; }

	.js .primary-nav {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		max-height: calc(100dvh - 100%);
		overflow-y: auto;
		padding: .5rem var(--gutter) 1.5rem;
		background: var(--color-bg);
		border-bottom: 1px solid var(--color-line);
	}
	.js .primary-nav.is-open { display: block; }

	.js .primary-nav__list { flex-direction: column; gap: 0; }
	.js .primary-nav__list > li { flex-wrap: wrap; }
	.js .primary-nav__list > li + li { border-top: 1px solid var(--color-line); }
	.js .primary-nav__list > li > a {
		flex: 1;
		padding: 1rem 0;
		font-size: 1.2rem;
	}
	.js .primary-nav__list > li > a::after { bottom: .5rem; height: 2px; }

	.submenu-toggle { width: 2.75rem; height: 2.75rem; }
	.submenu-toggle .icon { width: 1.3rem; height: 1.3rem; }

	/* Untermenü als Akkordeon */
	.mega { flex: 1 0 100%; }
	.js .mega { display: none; }
	.js .is-open > .mega { display: block; }
	.mega__inner { padding: 0 0 1rem; }
	.mega__intro { margin-bottom: .5rem; }
	.mega__eyebrow,
	.mega__lead { display: none; }
	.mega__all { padding: .5rem 0; }
	.mega__grid { grid-template-columns: 1fr; gap: .15rem; }
	.mega-card { padding: .65rem .5rem; }
	.mega-card__icon { width: 2.5rem; height: 2.5rem; }
	.mega-card__arrow { display: none; }
}

@media (width < 48rem) {
	.site-header__inner { min-height: 5rem; gap: .5rem; }
	.site-logo img,
	.site-header.is-scrolled .site-logo img { height: 3rem; }

	.search-toggle,
	.menu-toggle { padding: 0 .8rem; }

	/* Labels bleiben für Screenreader erhalten */
	.search-toggle__label,
	.menu-toggle__label {
		position: absolute;
		width: 1px;
		height: 1px;
		overflow: hidden;
		clip-path: inset(50%);
		white-space: nowrap;
	}
}