/**
 * Site-Header — Sticky Cream-Banner mit Brand, Navigation, CTA
 *
 * Per DESIGN.md §7.1: Höhe 56px Mobile / 64px Desktop, dünne Bottom-Border.
 */

.site-header {
	background-color: var(--color-cream);
	border-bottom: 1px solid var(--color-border-subtle);
	position: sticky;
	top: 0;
	z-index: 100;
}

.site-header__inner {
	max-width: var(--container-max);
	margin-inline: auto;
	padding-inline: var(--container-pad);
	height: 56px;
	display: flex;
	align-items: center;
	gap: var(--space-6);
}

@media (min-width: 1024px) {
	.site-header__inner {
		height: 64px;
	}
}

/* ── Brand ───────────────────────────────────────────────────────────── */

.site-header__brand {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	text-decoration: none;
	color: var(--color-midnight);
	margin-inline-end: auto;
}

.site-header__brand:focus-visible {
	outline: 2px solid var(--color-midnight);
	outline-offset: 4px;
	border-radius: var(--radius-sm);
}

.site-header__brand-logo {
	display: block;
	height: 36px;
	width: auto;
	max-width: 200px;
	object-fit: contain;
}

@media (min-width: 1024px) {
	.site-header__brand-logo {
		height: 44px;
	}
}

/* ── Hamburger Toggle (Mobile) ───────────────────────────────────────── */

.site-header__toggle {
	display: inline-flex;
	flex-direction: column;
	gap: 5px;
	justify-content: center;
	align-items: center;
	width: 44px;
	height: 44px;
	padding: 10px;
	background: transparent;
	border: none;
	margin-inline-start: auto;
	order: 3;
}

.site-header__toggle-bar {
	display: block;
	width: 24px;
	height: 2px;
	background: var(--color-midnight);
	transform-origin: center;
	transition:
		transform 200ms var(--ease-out),
		opacity 150ms var(--ease-out);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2) {
	opacity: 0;
}
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
	.site-header__toggle {
		display: none;
	}
}

/* ── Navigation Backdrop (Mobile) ────────────────────────────────────── */

.site-nav-backdrop {
	display: none;
	position: fixed;
	inset: 56px 0 0 0;
	background: color-mix(in oklab, var(--color-midnight) 45%, transparent);
	z-index: 99;
	cursor: pointer;
}

.site-nav-backdrop--open {
	display: block;
}

@media (min-width: 1024px) {
	.site-nav-backdrop {
		display: none;
	}
}

/* ── Navigation ──────────────────────────────────────────────────────── */

.site-nav {
	position: fixed;
	inset: 56px 0 0 0;
	z-index: 101;
	background: var(--color-cream);
	padding: var(--space-8) var(--container-pad);
	transform: translateX(100%);
	transition: transform 200ms var(--ease-out);
	overflow-y: auto;
	visibility: hidden;
}

.site-nav[data-open="true"] {
	transform: translateX(0);
	visibility: visible;
}

@media (min-width: 1024px) {
	.site-nav {
		position: static;
		inset: auto;
		background: transparent;
		padding: 0;
		transform: none;
		overflow: visible;
		visibility: visible;
		order: 2;
	}
}

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

@media (min-width: 1024px) {
	.site-nav__list {
		flex-direction: row;
		gap: var(--space-6);
		align-items: center;
	}
}

.site-nav__item {
	list-style: none;
}

.site-nav__link {
	display: inline-block;
	color: var(--color-midnight);
	text-decoration: none;
	font-size: var(--font-size-body);
	font-weight: var(--font-weight-medium);
	padding: var(--space-2) 0;
	transition: color 150ms var(--ease-out);
	position: relative;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
	color: var(--color-terracotta);
}

/* Aktive Seite — Honey-Underline mit Offset */
.site-nav__link[aria-current="page"] {
	color: var(--color-midnight);
	text-decoration: underline;
	text-decoration-color: var(--color-honey);
	text-decoration-thickness: 2px;
	text-underline-offset: 6px;
}

.site-nav__link[aria-current="page"]:hover {
	color: var(--color-midnight);
}

@media (min-width: 1024px) {
	.site-nav__link {
		font-size: var(--font-size-body-sm);
	}
}

/* ── Header-CTA ──────────────────────────────────────────────────────── */

.site-header__cta {
	display: none;
	order: 4;
}

@media (min-width: 1024px) {
	.site-header__cta {
		display: inline-flex;
	}
}