/* ==========================================================================
   02 — Layout: Header, Navigation, Burger-Drawer, Footer
   ========================================================================== */

/* ---- Header -------------------------------------------------------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 500;
	background: var(--bg);
	border-bottom: 1px solid transparent;
	transition: box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled {
	border-color: var(--border);
	box-shadow: 0 8px 24px -16px rgba(28, 33, 38, 0.25);
}

.site-header__inner {
	max-width: var(--shell-max);
	margin-inline: auto;
	padding-inline: var(--shell-pad);
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	min-height: 84px;
	transition: min-height var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled .site-header__inner { min-height: 64px; }

.site-brand {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	margin-right: auto;
	flex-shrink: 0;
}
.site-brand__logo svg { display: block; width: auto; height: 48px; transition: height var(--dur-base) var(--ease-out); }
.site-header.is-scrolled .site-brand__logo svg { height: 38px; }
.logo-bg { fill: var(--accent); }
.site-brand__logo--sm svg { height: 34px; }

.site-brand__name {
	font-family: var(--font-display);
	font-weight: 500;
	font-size: 1rem;
	line-height: 1.2;
	color: var(--primary);
	max-width: 15em;
}
.brand-break { display: none; }

.site-nav ul { list-style: none; display: flex; align-items: center; gap: clamp(1.25rem, 2vw, 2.25rem); margin: 0; padding: 0; }
.site-nav a {
	font-weight: 600;
	font-size: 0.95rem;
	color: var(--ink-soft);
	position: relative;
	padding-block: 0.4em;
}
.site-nav a::after {
	content: "";
	position: absolute;
	left: 0; right: 100%;
	bottom: 0;
	height: 2px;
	background: var(--accent);
	transition: right var(--dur-base) var(--ease-out);
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--primary); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.site-nav .current-menu-item > a { color: var(--primary); }
.site-nav .current-menu-item > a::after { right: 0; }

.site-nav .sub-menu {
	position: absolute;
	top: 100%; left: 0;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 0.5rem;
	min-width: 220px;
	flex-direction: column;
	gap: 0;
	box-shadow: 0 16px 32px -20px rgba(28, 33, 38, 0.3);
	opacity: 0;
	visibility: hidden;
	transform: translateY(4px);
	transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), visibility var(--dur-fast);
}
.site-nav li { position: relative; }
.site-nav li:hover > .sub-menu,
.site-nav li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.site-nav .sub-menu a::after { display: none; }
.site-nav .sub-menu a { display: block; padding: 0.6em 0.75em; }

.site-header__actions { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }
.header-cta {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-weight: 600;
	font-size: 0.9rem;
	color: var(--ink-soft);
	white-space: nowrap;
}
.header-cta--phone:hover { color: var(--accent-ink); }

/* ---- Burger ----------------------------------------------------------- */
.burger {
	display: none;
	background: transparent;
	border: 0;
	padding: 0;
	cursor: pointer;
	width: 44px;
	height: 44px;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}
.burger-box { position: relative; display: inline-block; width: 24px; height: 18px; }
.burger-inner,
.burger-inner::before,
.burger-inner::after {
	position: absolute;
	width: 24px;
	height: 2px;
	left: 0;
	background: var(--primary);
	border-radius: 2px;
	transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) 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); }
.burger--close .burger-box { display: none; }

/* ---- Mobile Drawer (direktes Kind von body, nicht von header) --------- */
.drawer-overlay {
	position: fixed;
	inset: 0;
	background: rgba(28, 33, 38, 0.45);
	z-index: 900;
	opacity: 0;
	pointer-events: none;
	transition: opacity var(--dur-base) var(--ease-out);
}
.drawer-overlay.is-visible { opacity: 1; pointer-events: auto; }

.mobile-drawer {
	position: fixed;
	top: 0; right: 0;
	height: 100%;
	width: min(86vw, 380px);
	background: var(--surface);
	z-index: 950;
	transform: translateX(100%);
	transition: transform var(--dur-base) var(--ease-out);
	display: flex;
	flex-direction: column;
	padding: var(--space-xs) var(--space-sm) var(--space-sm);
	overflow-y: auto;
	box-shadow: -16px 0 48px -12px rgba(28, 33, 38, 0.3);
}
.mobile-drawer.is-open { transform: translateX(0); }

.mobile-drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-sm); }
.mobile-drawer__title { font-family: var(--font-display); font-size: 1.1rem; color: var(--primary); }

.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav a {
	display: block;
	padding: 0.95em 0;
	border-bottom: 1px solid var(--border);
	font-weight: 600;
	font-size: 1.1rem;
	color: var(--primary);
}
.mobile-nav .sub-menu { list-style: none; margin: 0; padding-left: 1em; }
.mobile-nav .sub-menu a { font-size: 1rem; font-weight: 500; padding-block: 0.7em; }

.mobile-drawer__contact {
	margin-top: auto;
	padding-top: var(--space-sm);
	display: flex;
	flex-direction: column;
	gap: 0.9rem;
}
.mobile-drawer__contact a { display: flex; align-items: center; gap: 0.6rem; font-weight: 600; color: var(--ink-soft); }
.mobile-drawer__contact .icon { color: var(--accent-ink); }

body.no-scroll { overflow: hidden; }

@media (max-width: 900px) {
	.site-nav { display: none; }
	.header-cta { display: none; }
	.burger { display: inline-flex; }
	.site-brand__name { font-size: 0.9rem; max-width: 10em; }
	.brand-break { display: inline; }
	/* Desktop-Hover/Focus-Transform explizit zurücksetzen */
	.site-nav li:hover > .sub-menu,
	.site-nav li:focus-within > .sub-menu { transform: none; }
}

@media (max-width: 600px) {
	.site-header__inner { min-height: 68px; gap: 0.75rem; }
	.site-brand__logo svg { height: 38px; }
	/* Breite bleibt min(86vw,380px) statt 100vw, damit links immer ein
	   klickbarer Overlay-Streifen zum Schließen sichtbar bleibt. */
}

/* ---- Footer ------------------------------------------------------------ */
.site-footer {
	background: var(--primary);
	color: color-mix(in oklch, var(--bg) 85%, transparent);
	padding-block: var(--space-lg) var(--space-sm);
	margin-top: var(--space-xl);
}
.site-footer a { color: inherit; }
.site-footer__inner {
	max-width: var(--shell-max);
	margin-inline: auto;
	padding-inline: var(--shell-pad);
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	gap: var(--space-sm) clamp(1rem, 3vw, 2.5rem);
	padding-bottom: var(--space-md);
	border-bottom: 1px solid color-mix(in oklch, var(--bg) 18%, transparent);
}
.site-footer__brand { grid-column: 1 / span 3; display: flex; align-items: flex-start; gap: 0.75rem; }
.site-footer__name { font-family: var(--font-display); font-size: 1.05rem; margin: 0; color: #fff; }
.site-footer__col { grid-column: span 3; }
.site-footer__heading {
	font-family: var(--font-body);
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: color-mix(in oklch, var(--bg) 55%, transparent);
	margin-bottom: 1.1em;
}
.site-footer__address { display: flex; flex-direction: column; gap: 0.7em; font-style: normal; }
.site-footer__address a, .footer-nav a { display: flex; align-items: center; gap: 0.55rem; padding-block: 0.15em; transition: color var(--dur-fast) var(--ease-out); }
.site-footer__address a:hover, .footer-nav a:hover, .footer-legal a:hover { color: var(--accent); }
.footer-nav ul, .footer-legal { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6em; }
.footer-legal a { display: inline-block; }

.site-footer__bottom {
	max-width: var(--shell-max);
	margin-inline: auto;
	padding-inline: var(--shell-pad);
	padding-top: var(--space-sm);
	font-size: 0.85rem;
	color: color-mix(in oklch, var(--bg) 45%, transparent);
}

@media (max-width: 900px) {
	.site-footer__brand { grid-column: 1 / span 12; margin-bottom: var(--space-xs); }
	.site-footer__col { grid-column: span 6; }
}
@media (max-width: 600px) {
	.site-footer__col { grid-column: span 12; }
}