/**
 * Header component styles.
 * Alleen geladen omdat de header op elke pagina staat (zie inc/enqueue.php).
 *
 * Header-specifieke tokens staan hier bewust lokaal (niet in global.css),
 * want ze worden alleen door dit component gebruikt.
 */

:root {
	--header-bg: 212 14% 21%; /* #2f363e */
	--header-foreground: 0 0% 100%; /* wit */
	--header-h: 88px;
}

@media ( max-width: 768px ) {
	:root {
		--header-h: 72px;
	}
}

/*
 * Fixed header: zie inc/setup.php voor de body-classes
 * (has-transparent-header / has-solid-header) die het gedrag bepalen.
 */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 50;
	color: hsl( var( --header-foreground ) );
	background-color: transparent;
	transition: background-color 0.3s ease, transform 0.3s ease, top 0.3s ease;
}

/*
 * WordPress-adminbar is zelf ook fixed + top:0 met een hogere z-index.
 * Zonder deze correctie valt de bovenkant van de header (logo/nav) achter
 * de adminbar zodra je ingelogd bent. `admin-bar` is een core body-class.
 */
body.admin-bar .site-header {
	top: 32px;
}

@media ( max-width: 782px ) {
	body.admin-bar .site-header {
		top: 46px;
	}
}

/* Homepage: transparant totdat er gescrold wordt. Geen hide/show-gedrag. */
body.has-transparent-header .site-header.is-scrolled {
	background-color: hsl( var( --header-bg ) / 0.95 );
	backdrop-filter: blur( 8px );
	-webkit-backdrop-filter: blur( 8px );
	box-shadow: 0 10px 30px rgb( 0 0 0 / 0.15 );
}

/* Overige pagina's: altijd solide, verbergt/toont op scrollrichting. */
body.has-solid-header .site-header {
	background-color: hsl( var( --header-bg ) / 0.95 );
	backdrop-filter: blur( 8px );
	-webkit-backdrop-filter: blur( 8px );
	box-shadow: 0 10px 30px rgb( 0 0 0 / 0.15 );
}

body.has-solid-header .site-header.is-hidden {
	transform: translateY( -100% );
}

/*
 * Compenseert de fixed header zodat content er niet onder verdwijnt.
 * Statische waarde (geen JS-meting): voorkomt layout shift bij laden.
 */
body.has-solid-header .site-main {
	padding-top: var( --header-h );
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding-block: 1rem;
}

.header-logo {
	display: inline-flex;
	align-items: center;
	color: inherit;
	text-decoration: none;
}

.header-logo-image {
	max-height: 48px;
	width: auto;
	filter: brightness( 0 ) invert( 1 );
}

.header-menu-toggle {
	display: none;
	align-items: center;
	background: none;
	border: 0;
	padding: 0.5rem;
	color: inherit;
	cursor: pointer;
}

.header-menu-toggle-icon {
	display: block;
	position: relative;
	width: 24px;
	height: 2px;
	background-color: currentColor;
}

.header-menu-toggle-icon::before,
.header-menu-toggle-icon::after {
	content: "";
	position: absolute;
	left: 0;
	width: 24px;
	height: 2px;
	background-color: currentColor;
}

.header-menu-toggle-icon::before {
	top: -8px;
}

.header-menu-toggle-icon::after {
	top: 8px;
}

.header-menu {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.header-menu li {
	position: relative;
}

.header-menu a {
	color: inherit;
	text-decoration: none;
	letter-spacing: 0.02em;
	transition: opacity 0.2s ease;
}

.header-menu a:hover,
.header-menu a:focus {
	opacity: 0.75;
}

/* Dropdown-indicator voor menu-items met kinderen (standaard WP-core classes). */
.header-menu .menu-item-has-children > a {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
}

.header-menu .menu-item-has-children > a::after {
	content: "";
	width: 6px;
	height: 6px;
	margin-top: -3px;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: rotate( 45deg );
	transition: transform 0.2s ease;
}

.header-menu .menu-item-has-children:hover > a::after,
.header-menu .menu-item-has-children:focus-within > a::after {
	margin-top: 0;
	transform: rotate( 225deg );
}

.sub-menu {
	list-style: none;
	margin: 0;
	padding: 0.5rem;
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 200px;
	background-color: hsl( var( --header-bg ) / 0.98 );
	backdrop-filter: blur( 8px );
	-webkit-backdrop-filter: blur( 8px );
	border-radius: 8px;
	box-shadow: 0 12px 30px rgb( 0 0 0 / 0.2 );
	opacity: 0;
	visibility: hidden;
	transform: translateY( 6px );
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
	z-index: 10;
}

/* Onzichtbare brug boven de dropdown zodat de hover-state niet verspringt
 * bij het bewegen van de cursor van het menu-item naar de submenu. */
.sub-menu::before {
	content: "";
	position: absolute;
	top: -0.5rem;
	left: 0;
	right: 0;
	height: 0.5rem;
}

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

.sub-menu a {
	display: block;
	padding: 0.65rem 0.85rem;
	border-radius: 6px;
	white-space: nowrap;
	font-size: 0.9rem;
	opacity: 1;
}

.sub-menu a:hover,
.sub-menu a:focus {
	background-color: hsl( 0 0% 100% / 0.1 );
	opacity: 1;
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect( 0 0 0 0 );
	white-space: nowrap;
}

@media ( max-width: 768px ) {
	.header-menu-toggle {
		display: inline-flex;
	}

	.header-navigation {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		background-color: hsl( var( --header-bg ) / 0.98 );
		color: hsl( var( --header-foreground ) );
	}

	.header-navigation.is-open {
		display: block;
	}

	.header-menu {
		flex-direction: column;
		align-items: flex-start;
		width: 100%;
		gap: 0.5rem;
		padding: 1rem var( --container-padding );
	}

	.header-menu li {
		width: 100%;
	}

	.header-menu .menu-item-has-children > a::after {
		margin-top: -1px;
	}

	.sub-menu {
		position: static;
		display: flex;
		flex-direction: column;
		gap: 0.15rem;
		margin: 0.35rem 0 0;
		padding: 0.5rem 0 0.5rem 0.75rem;
		min-width: 0;
		width: 100%;
		background: transparent;
		border-left: 1px solid hsl( var( --header-foreground ) / 0.2 );
		border-radius: 0;
		box-shadow: none;
		backdrop-filter: none;
		-webkit-backdrop-filter: none;
		opacity: 1;
		visibility: visible;
		transform: none;
	}

	.sub-menu::before {
		display: none;
	}

	.sub-menu a {
		padding: 0.4rem 0.5rem;
		white-space: normal;
	}
}