/* =========================================================
   Vita-Leben GmbH — Layout: Header, Navigation, Drawer, Footer
   ========================================================= */

/* ---- Header ---- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 500;
	background: color-mix(in oklch, var(--surface) 92%, transparent);
	border-bottom: 1px solid var(--border);
	transition: padding var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

@supports (backdrop-filter: blur(1px)) {
	.site-header {
		backdrop-filter: blur(10px);
	}
}

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

.header-inner {
	display: flex;
	align-items: center;
	gap: clamp(1rem, 2vw, 2rem);
	padding-block: 1.1rem;
	transition: padding var(--dur-base) var(--ease-out);
}

.site-header.is-scrolled .header-inner {
	padding-block: 0.6rem;
}

.brand {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	flex-shrink: 0;
	margin-right: auto;
}

.brand-logo {
	display: inline-flex;
	background: #fff;
	padding: 0.3rem 0.55rem;
	border-radius: var(--radius);
	box-shadow: var(--shadow-sm);
}

.brand-logo img {
	height: 48px;
	width: auto;
	max-width: 200px;
	object-fit: contain;
	transition: height var(--dur-base) var(--ease-out);
}

.site-header.is-scrolled .brand-logo img {
	height: 38px;
}

.brand-name {
	font-family: var(--font-display);
	font-weight: 600;
	font-size: 0.95rem;
	line-height: 1.2;
	color: var(--primary-dark);
	max-width: 15ch;
}

.main-nav {
	display: flex;
}

.nav-menu {
	display: flex;
	align-items: center;
	gap: clamp(1.1rem, 1.6vw, 1.9rem);
}

.nav-menu a {
	font-weight: 600;
	font-size: 0.95rem;
	color: var(--text);
	padding: 0.4rem 0.1rem;
	position: relative;
}

.nav-menu a::after {
	content: '';
	position: absolute;
	left: 0;
	right: 100%;
	bottom: -2px;
	height: 2px;
	background: var(--accent);
	transition: right var(--dur-base) var(--ease-out);
}

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

.nav-menu .current-menu-item > a {
	color: var(--primary);
}

.header-actions {
	display: flex;
	align-items: center;
	gap: 1rem;
	flex-shrink: 0;
}

.header-phone {
	display: flex;
	align-items: center;
	gap: 0.45rem;
	font-weight: 600;
	white-space: nowrap;
}

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

/* ---- Burger ---- */
.burger {
	display: none;
	flex-shrink: 0;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
}

.burger-box {
	position: relative;
	display: inline-block;
	width: 32px;
	height: 32px;
}

.burger-inner,
.burger-inner::before,
.burger-inner::after {
	position: absolute;
	left: 4px;
	right: 4px;
	height: 2px;
	background: var(--primary-dark);
	border-radius: 2px;
	transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) var(--ease-out), top var(--dur-base) var(--ease-out);
}

.burger-inner {
	top: 15px;
}

.burger-inner::before {
	content: '';
	top: -9px;
}

.burger-inner::after {
	content: '';
	top: 9px;
}

.burger[aria-expanded="true"] .burger-inner {
	background: transparent;
}

.burger[aria-expanded="true"] .burger-inner::before {
	top: 0;
	transform: rotate(45deg);
}

.burger[aria-expanded="true"] .burger-inner::after {
	top: 0;
	transform: rotate(-45deg);
}

/* ---- Drawer (sibling of header + body, never nested) ---- */
.site-drawer {
	position: fixed;
	top: 0;
	right: 0;
	height: 100vh;
	width: min(86vw, 360px);
	background: var(--surface);
	z-index: 900;
	transform: translateX(100%);
	transition: transform var(--dur-base) var(--ease-out);
	overflow-y: auto;
	box-shadow: -18px 0 40px -20px oklch(0.2 0.03 172 / 0.3);
}

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

.site-drawer-overlay {
	position: fixed;
	inset: 0;
	background: oklch(0.2 0.03 172 / 0.45);
	z-index: 890;
	opacity: 0;
	pointer-events: none;
	transition: opacity var(--dur-base) var(--ease-out);
}

.site-drawer-overlay.is-open {
	opacity: 1;
	pointer-events: auto;
}

.site-drawer-inner {
	padding: 1.4rem 1.6rem 2.5rem;
}

.drawer-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 1.6rem;
}

.drawer-brand {
	font-family: var(--font-display);
	font-weight: 600;
	color: var(--primary-dark);
}

.drawer-close {
	width: 44px;
	height: 44px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	transition: background var(--dur-fast) var(--ease-out);
}

.drawer-close:hover {
	background: var(--surface-sunken);
}

.drawer-menu {
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
}

.drawer-menu a {
	display: block;
	padding: 0.85rem 0.2rem;
	font-size: 1.05rem;
	font-weight: 600;
	border-bottom: 1px solid var(--border);
}

.drawer-contact {
	margin-top: 1.8rem;
	padding-top: 1.6rem;
	border-top: 1px solid var(--border);
	display: flex;
	flex-direction: column;
	gap: 0.9rem;
}

.drawer-phone {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	font-weight: 700;
	color: var(--primary);
}

.drawer-address {
	display: flex;
	align-items: flex-start;
	gap: 0.6rem;
	color: var(--text-muted);
	margin: 0;
}

/* ---- Footer ---- */
.site-footer {
	background: var(--primary-dark);
	color: oklch(0.92 0.02 100);
	margin-top: clamp(4rem, 8vw, 7rem);
}

.footer-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr;
	gap: clamp(2rem, 4vw, 3.5rem);
	padding-block: clamp(3rem, 6vw, 4.5rem);
}

.footer-logo {
	height: 34px;
	width: auto;
	background: #fff;
	padding: 0.25rem 0.5rem;
	border-radius: var(--radius);
	margin-bottom: 1rem;
}

.footer-brand p {
	margin: 0 0 0.3em;
	color: oklch(0.92 0.02 100 / 0.85);
	max-width: 32ch;
}

.footer-address {
	font-size: 0.9rem;
	color: oklch(0.92 0.02 100 / 0.65) !important;
}

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

.footer-nav a {
	color: oklch(0.92 0.02 100 / 0.8);
	transition: color var(--dur-fast) var(--ease-out);
}

.footer-nav a:hover {
	color: #fff;
}

.footer-eyebrow {
	text-transform: uppercase;
	letter-spacing: 0.08em;
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--accent);
	margin: 0 0 0.9rem;
}

.footer-contact a,
.footer-contact p {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	margin: 0 0 0.8rem;
	color: oklch(0.92 0.02 100 / 0.85);
}

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

.footer-bottom {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding-block: 1.4rem;
	border-top: 1px solid oklch(0.92 0.02 100 / 0.12);
	font-size: 0.85rem;
	color: oklch(0.92 0.02 100 / 0.6);
}

.footer-legal {
	display: flex;
	gap: 1.4rem;
}

.footer-legal a:hover {
	color: #fff;
}