/* Sticky Header + Navigation + Mobile-Drawer */

.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--surface);
	border-bottom: 1px solid var(--border);
	transition: padding var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}

.site-header.is-condensed {
	box-shadow: var(--shadow-sm);
}

.site-header__inner {
	max-width: var(--container-width);
	margin-inline: auto;
	padding: var(--space-sm) var(--space-md);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-lg);
	transition: padding var(--duration-base) var(--ease-out);
}

.site-header.is-condensed .site-header__inner {
	padding-block: var(--space-2xs);
}

.site-logo {
	display: flex;
	align-items: center;
	gap: var(--space-xs);
	flex-shrink: 0;
}

.site-logo__mark {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	flex: 0 0 auto;
	border-radius: var(--radius);
	background: var(--primary);
	color: var(--accent);
}

.site-logo__mark .icon {
	width: 22px;
	height: 22px;
}

.site-logo__text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
}

.site-logo__name {
	font-family: var(--font-display);
	font-weight: 600;
	font-size: 1.05rem;
	color: var(--primary);
}

.site-logo__tag {
	font-size: 0.72rem;
	color: var(--ink-faint);
	letter-spacing: 0.03em;
}

.site-nav__list {
	display: flex;
	align-items: center;
	gap: var(--space-lg);
}

.site-nav__list a {
	font-weight: 500;
	font-size: 0.95rem;
	color: var(--ink);
	padding: var(--space-2xs) 0;
	position: relative;
}

.site-nav__list a::after {
	content: "";
	position: absolute;
	left: 0;
	right: 100%;
	bottom: -2px;
	height: 2px;
	background: var(--accent);
	transition: right var(--duration-base) var(--ease-out);
}

.site-nav__list a:hover::after,
.site-nav__list .current-menu-item a::after,
.site-nav__list .current_page_item a::after {
	right: 0;
}

.site-header__actions {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	flex-shrink: 0;
}

.header-cta {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2xs);
	font-weight: 600;
	font-size: 0.9rem;
	color: var(--primary);
	padding: 0.55rem 0.9rem;
	border: 1px solid var(--border-strong);
	border-radius: var(--radius);
	transition: border-color var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out);
	white-space: nowrap;
}

.header-cta:hover {
	border-color: var(--accent);
	color: var(--accent-dark);
}

.header-cta .icon {
	color: var(--accent);
}

.burger {
	display: none;
	position: relative;
	width: 44px;
	height: 44px;
	align-items: center;
	justify-content: center;
	background: transparent;
	border: 1px solid var(--border-strong);
	border-radius: var(--radius);
	color: var(--primary);
	cursor: pointer;
}

.burger__icon-open,
.burger__icon-close {
	position: absolute;
	transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.burger__icon-close {
	opacity: 0;
	transform: rotate(-90deg);
}

.burger[aria-expanded="true"] .burger__icon-open {
	opacity: 0;
	transform: rotate(90deg);
}

.burger[aria-expanded="true"] .burger__icon-close {
	opacity: 1;
	transform: rotate(0);
}

/* Mobile-Drawer: Sibling von <header>, NICHT verschachtelt — sonst fängt der Header Klicks ab */

.mobile-drawer-backdrop {
	position: fixed;
	inset: 0;
	background: oklch(15% 0.02 260 / 0.55);
	opacity: 0;
	pointer-events: none;
	transition: opacity var(--duration-base) var(--ease-out);
	z-index: 150;
}

.mobile-drawer-backdrop.is-open {
	opacity: 1;
	pointer-events: auto;
}

.mobile-drawer {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	width: min(340px, 86vw);
	background: var(--primary);
	color: #fff;
	z-index: 160;
	padding: calc(var(--space-xl)) var(--space-lg) var(--space-lg);
	transform: translateX(100%);
	transition: transform var(--duration-slow) var(--ease-out);
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: var(--space-lg);
}

.mobile-drawer.is-open {
	transform: translateX(0);
}

.mobile-drawer__list {
	display: flex;
	flex-direction: column;
	gap: var(--space-md);
}

.mobile-drawer__list a {
	font-family: var(--font-display);
	font-size: 1.3rem;
	font-weight: 500;
	color: #fff;
}

.mobile-drawer__list a:hover {
	color: var(--accent);
}

.mobile-drawer__cta {
	margin-top: auto;
	justify-content: center;
}

@media (max-width: 900px) {
	.site-nav {
		display: none;
	}

	.header-cta {
		display: none;
	}

	.burger {
		display: inline-flex;
	}
}