/* ── header.css — Kopfzeile mit Logo, flacher Navigation, CTA ────────────── */

.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: var(--c-bg);
	border-bottom: 0.0625rem solid var(--c-divider);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	padding-block: 1rem;
}

.site-header__logo {
	display: block;
	flex-shrink: 0;
	line-height: 0;
}

.site-header__nav {
	display: flex;
	align-items: center;
	gap: 1.75rem;
}

.site-header__nav a {
	font-family: var(--font-head);
	font-size: var(--fs-sm);
	font-weight: 600;
	text-decoration: none;
	color: var(--c-text);
	white-space: nowrap;
}

.site-header__nav a:hover {
	color: var(--c-link);
}

.site-header__nav a.site-header__cta {
	color: var(--c-white);
	padding: 0.625rem 1.25rem;
}

.site-header__cta:hover {
	color: var(--c-white);
	background: var(--c-link);
}

.site-header__mobilemenu {
	display: none;
}

.site-header__mobilemenu summary {
	display: flex;
	align-items: center;
	min-height: 2.75rem;
	padding-inline: 0.5rem;
	font-family: var(--font-head);
	font-size: var(--fs-sm);
	font-weight: 600;
	color: var(--c-text);
	cursor: pointer;
}

.site-header__mobilemenu summary::-webkit-details-marker {
	display: none;
}

.site-header__mobilemenu summary::after {
	content: "▾";
	margin-left: 0.375rem;
	font-size: 0.75rem;
}

.site-header__mobilemenu[open] summary {
	color: var(--c-link);
}

.site-header__mobilemenu[open] summary::after {
	content: "▴";
}

.site-header__mobilemenu nav {
	position: absolute;
	left: 0;
	right: 0;
	top: 100%;
	display: flex;
	flex-direction: column;
	background: var(--c-bg);
	border-top: 0.0625rem solid var(--c-divider);
	box-shadow: var(--shadow-card);
}

.site-header__mobilemenu nav a {
	display: flex;
	align-items: center;
	min-height: 2.75rem;
	padding-inline: 1.5rem;
	font-family: var(--font-head);
	font-size: var(--fs-sm);
	font-weight: 600;
	text-decoration: none;
	color: var(--c-text);
	border-bottom: 0.0625rem solid var(--c-divider);
}

.site-header__mobilemenu nav a:last-child {
	border-bottom: none;
}

.site-header__mobilemenu nav a:hover,
.site-header__mobilemenu nav a:focus-visible {
	color: var(--c-link);
	background: var(--c-surface);
}

@media (max-width: 48rem) {
	.site-header__nav > a:not(.site-header__cta) {
		display: none;
	}

	.site-header__inner {
		justify-content: flex-start;
	}

	.site-header__nav {
		gap: 0;
		margin-left: auto;
	}

	.site-header__logo {
		flex-shrink: 1;
		min-width: 0;
	}

	.site-header__logo img {
		width: 8.75rem;
		height: auto;
	}

	.site-header__nav a.site-header__cta {
		padding: 0.5rem 0.875rem;
	}

	.site-header__mobilemenu {
		display: block;
	}
}