/* ===== Header ===== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 40;
	background: var(--bg);
	border-bottom: 1px solid transparent;
	transition: box-shadow var(--duration-ui) var(--ease-out), border-color var(--duration-ui) var(--ease-out);
}

.site-header.is-scrolled {
	box-shadow: var(--shadow-sm);
	border-color: var(--border);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 2rem;
	min-height: var(--header-h);
	transition: min-height var(--duration-ui) var(--ease-out);
}

.site-header.is-scrolled .site-header__inner {
	min-height: var(--header-h-scrolled);
}

.site-logo__link { display: inline-block; }

.site-logo__text {
	font-family: var(--font-display);
	font-size: var(--step-0);
	line-height: 1.2;
	color: var(--ink);
}

.site-logo__text strong { font-weight: 600; }
.site-logo__text--light { color: var(--white); }

.custom-logo { max-height: 3.25rem; width: auto; }

/* ===== Desktop-Navigation ===== */
.nav-desktop { display: flex; }

.nav-menu {
	display: flex;
	align-items: center;
	gap: 2.25rem;
}

.nav-menu > li { position: relative; }

.nav-menu > li > a {
	display: inline-block;
	position: relative;
	padding: 0.5rem 0.1rem;
	font-weight: 500;
	font-size: var(--step--1);
	letter-spacing: 0.01em;
}

.nav-menu > li > a::after {
	content: '';
	position: absolute;
	left: 0;
	right: 100%;
	bottom: 0.1rem;
	height: 2px;
	background: var(--accent-strong);
	transition: right var(--duration-ui) var(--ease-out);
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a:focus-visible::after {
	right: 0;
}

.nav-menu .menu-item-has-children > a {
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
}

.nav-menu .menu-item-has-children > a::before {
	content: '';
	width: 6px;
	height: 6px;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: rotate(45deg) translateY(-2px);
	order: 2;
}

.nav-menu .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 250px;
	margin-top: 0.75rem;
	padding: 0.5rem;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: var(--shadow-md);
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: opacity var(--duration-ui) var(--ease-out), transform var(--duration-ui) var(--ease-out), visibility var(--duration-ui);
	z-index: 50;
}

.nav-menu li:hover > .sub-menu,
.nav-menu li:focus-within > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.nav-menu .sub-menu a {
	display: block;
	padding: 0.65rem 0.75rem;
	border-radius: calc(var(--radius) - 2px);
	font-size: var(--step--1);
	white-space: nowrap;
}

.nav-menu .sub-menu a:hover,
.nav-menu .sub-menu a:focus-visible {
	background: var(--surface);
}

.header-cta {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
}

/* ===== Burger ===== */
.burger {
	display: none;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	border-radius: var(--radius);
}

.burger:hover { background: var(--surface); }

.burger-box {
	position: relative;
	display: inline-block;
	width: 24px;
	height: 18px;
}

.burger-inner,
.burger-inner::before,
.burger-inner::after {
	position: absolute;
	left: 0;
	width: 24px;
	height: 2px;
	border-radius: 2px;
	background: var(--ink);
	transition: transform var(--duration-ui) var(--ease-out), opacity var(--duration-ui) var(--ease-out), background var(--duration-ui) var(--ease-out);
}

.burger-inner { top: 8px; }
.burger-inner::before { content: ''; top: -8px; }
.burger-inner::after { content: ''; top: 8px; }

.burger[aria-expanded="true"] .burger-inner { background: transparent; }
.burger[aria-expanded="true"] .burger-inner::before { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] .burger-inner::after { transform: translateY(-8px) rotate(-45deg); }

/* ===== Mobile-Drawer (direktes Kind von body, nicht von header) ===== */
.mobile-drawer {
	display: none;
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	width: min(85vw, 420px);
	background: var(--bg);
	z-index: 100;
	padding: 1.5rem;
	transform: translateX(100%);
	transition: transform 320ms var(--ease-out);
	overflow-y: auto;
}

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

.mobile-drawer__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 2rem;
}

.mobile-drawer__close {
	display: inline-flex;
	width: 40px;
	height: 40px;
	align-items: center;
	justify-content: center;
	border-radius: var(--radius);
}

.mobile-drawer__close:hover { background: var(--surface); }

.mobile-nav-menu {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
}

.mobile-nav-menu > li > a {
	display: block;
	padding: 0.85rem 0.25rem;
	font-family: var(--font-display);
	font-size: var(--step-1);
	border-bottom: 1px solid var(--border);
}

.mobile-nav-menu .sub-menu {
	padding-left: 1.25rem;
	margin: 0.25rem 0 0.5rem;
	border-left: 2px solid var(--border);
}

.mobile-nav-menu .sub-menu a {
	display: block;
	padding: 0.6rem 0.75rem;
	font-family: var(--font-body);
	font-size: var(--step--1);
	color: var(--ink-soft);
}

.mobile-drawer__cta {
	margin-top: 2rem;
	width: 100%;
	justify-content: center;
}

.mobile-drawer-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(27, 58, 75, 0.45);
	z-index: 90;
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--duration-ui) ease, visibility var(--duration-ui);
}

.mobile-drawer-overlay.is-open { opacity: 1; visibility: visible; }

html.drawer-open { overflow: hidden; }

/* ===== Footer ===== */
.site-footer {
	background: var(--ink);
	color: rgba(255, 255, 255, 0.82);
	padding-block: var(--space-xl) var(--space-sm);
}

.site-footer h2 {
	font-family: var(--font-body);
	font-size: var(--step--1);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--white);
	font-weight: 600;
	margin-bottom: 1.1em;
}

.site-footer__grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1fr;
	gap: var(--space-sm);
	padding-bottom: var(--space-lg);
}

.site-footer__brand p { max-width: 32ch; opacity: 0.8; }

.site-footer a:hover,
.site-footer a:focus-visible { color: var(--accent); }

.footer-nav-menu,
.footer-legal-menu {
	display: flex;
	flex-direction: column;
	gap: 0.65rem;
}

.contact-line {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	margin-bottom: 0.65rem;
}

.contact-line .icon { color: var(--accent); flex-shrink: 0; }

.site-footer__bottom {
	border-top: 1px solid rgba(255, 255, 255, 0.14);
	padding-top: var(--space-xs);
	font-size: var(--step--1);
	opacity: 0.7;
}