/*
 * Header & Navigation (Glass, sticky, mobil).
 */

.sb-header {
	position: sticky;
	top: 0;
	z-index: 100;
	padding-block: 0.75rem;
	padding-inline: 0;
}

.sb-header__inner {
	display: flex;
	align-items: center;
	gap: var(--sb-space-md);
	max-width: var(--sb-wide);
	margin-inline: auto;
	padding: 0.5rem var(--sb-gutter);
	min-height: var(--sb-header-h);
}

/* Schatten verstärken beim Scrollen (per JS gesetzt) */
.sb-header.is-scrolled .sb-header__inner {
	--glass-shadow: 0 14px 44px rgba(var(--sb-rgb-black), 0.5);
}

.sb-header__branding {
	display: flex;
	align-items: center;
	flex: 0 0 auto;
}

.sb-header__branding img,
.sb-header__branding .custom-logo {
	max-height: 52px;
	width: auto;
}

.sb-header__title {
	font-size: 1.25rem;
	font-weight: var(--sb-fw-bold);
	color: var(--sb-white);
}

.sb-header__nav {
	flex: 1 1 auto;
	display: flex;
	justify-content: center;
}

.sb-menu {
	display: flex;
	align-items: center;
	gap: clamp(0.75rem, 0.3rem + 1.2vw, 2rem);
	list-style: none;
	margin: 0;
	padding: 0;
}

.sb-menu a {
	display: inline-block;
	padding: 0.4em 0;
	color: var(--sb-white);
	font-weight: var(--sb-fw-medium);
	position: relative;
}

.sb-menu a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -2px;
	width: 0;
	height: 2px;
	background: var(--sb-color-primary);
	transition: width var(--sb-transition);
}

.sb-menu a:hover::after,
.sb-menu .current-menu-item > a::after {
	width: 100%;
}

/* Submenüs */
.sb-menu .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 220px;
	margin: 0;
	padding: 0.5rem;
	list-style: none;
	border-radius: var(--sb-radius-sm);
	background: rgba(12, 15, 18, 0.96);
	border: 1px solid rgba(var(--sb-rgb-white), 0.1);
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: opacity var(--sb-transition), transform var(--sb-transition), visibility var(--sb-transition);
}

.sb-menu .menu-item-has-children {
	position: relative;
}

.sb-menu .menu-item-has-children:hover > .sub-menu,
.sb-menu .menu-item-has-children:focus-within > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

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

.sb-header__phone {
	color: var(--sb-white);
	font-weight: var(--sb-fw-semibold);
	white-space: nowrap;
}

.sb-header__actions .sb-btn {
	padding: 0.6em 1.2em;
	font-size: 0.95rem;
}

/* --- Burger --- */
.sb-burger {
	display: none;
	width: 44px;
	height: 44px;
	padding: 0;
	border: 0;
	background: transparent;
	cursor: pointer;
}

.sb-burger__box {
	position: relative;
	display: block;
	width: 24px;
	height: 2px;
	margin: 0 auto;
}

.sb-burger__line,
.sb-burger__line::before,
.sb-burger__line::after {
	position: absolute;
	left: 0;
	width: 24px;
	height: 2px;
	background: var(--sb-white);
	border-radius: 2px;
	transition: transform var(--sb-transition), opacity var(--sb-transition);
}

.sb-burger__line::before { content: ""; top: -7px; }
.sb-burger__line::after { content: ""; top: 7px; }

.sb-burger[aria-expanded="true"] .sb-burger__line { background: transparent; }
.sb-burger[aria-expanded="true"] .sb-burger__line::before { transform: translateY(7px) rotate(45deg); }
.sb-burger[aria-expanded="true"] .sb-burger__line::after { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile-Nav --- */
.sb-mobile-nav {
	position: fixed;
	inset: var(--sb-header-h) 0 0;
	z-index: 99;
	padding: var(--sb-gutter);
	overflow-y: auto;
}

.sb-mobile-nav[hidden] {
	display: none;
}

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

.sb-menu--mobile {
	flex-direction: column;
	align-items: stretch;
	gap: 0.25rem;
}

.sb-menu--mobile a {
	padding: 0.85em 0.5em;
	border-bottom: 1px solid rgba(var(--sb-rgb-white), 0.08);
}

.sb-menu--mobile .sub-menu {
	position: static;
	opacity: 1;
	visibility: visible;
	transform: none;
	background: transparent;
	border: 0;
	padding-left: 1rem;
}

/* --- Responsive Umschaltung --- */
@media (max-width: 1024px) {
	.sb-header__nav,
	.sb-header__phone {
		display: none;
	}

	.sb-burger {
		display: block;
	}
}

@media (min-width: 1025px) {
	.sb-mobile-nav {
		display: none !important;
	}
}

/* Body-Scroll-Sperre bei offenem Menü */
body.sb-nav-open {
	overflow: hidden;
}