/**
 * Site Header Styles
 *
 * Styles for the global site header and navigation
 *
 * @package MattressProtectorReviews
 */

/* ===================================
   Site Header
   =================================== */

.mpr-site-header {
	position: sticky;
	top: 0;
	z-index: var(--z-sticky);
	background-color: var(--layer-2);
	border-bottom: none;
	box-shadow: var(--shadow-medium);
}

.mpr-header-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 1.5rem;
}

.mpr-header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 70px;
}

/* ===================================
   Skip Link (Accessibility)
   =================================== */

.skip-link {
	position: absolute;
	top: -100px;
	left: 0;
	z-index: 10000;
	display: inline-block;
	padding: 0.75rem 1rem;
	background-color: var(--blue-600);
	color: var(--white);
	font-weight: 600;
	text-decoration: none;
	border-radius: 0 0 4px 0;
	transition: top 0.2s ease;
}

.skip-link:focus {
	top: 0;
	outline: 2px solid var(--blue-700);
	outline-offset: 2px;
}

/* ===================================
   Site Branding
   =================================== */

.mpr-site-branding {
	flex-shrink: 0;
}

.mpr-site-logo {
	display: inline-block;
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--gray-900);
	text-decoration: none;
	letter-spacing: -0.02em;
	transition: color 0.2s ease;
}

.mpr-site-logo:hover,
.mpr-site-logo:focus {
	color: var(--blue-600);
}

/* ===================================
   Mobile Menu Toggle
   =================================== */

.mpr-mobile-menu-toggle {
	display: none;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	background: none;
	border: none;
	cursor: pointer;
	transition: opacity 0.2s ease;
}

.mpr-mobile-menu-toggle:hover {
	opacity: 0.7;
}

.mpr-mobile-menu-toggle:focus {
	outline: 2px solid var(--blue-600);
	outline-offset: 2px;
}

.hamburger-line {
	display: block;
	width: 24px;
	height: 2px;
	margin: 3px 0;
	background-color: var(--gray-900);
	border-radius: 2px;
	transition: transform 0.3s ease, opacity 0.3s ease;
}

.mpr-mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
	transform: translateY(8px) rotate(45deg);
}

.mpr-mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
	opacity: 0;
}

.mpr-mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
	transform: translateY(-8px) rotate(-45deg);
}

/* ===================================
   Primary Navigation
   =================================== */

.mpr-header-navigation {
	flex-grow: 1;
	display: flex;
	justify-content: flex-end;
}

.primary-navigation-container {
	display: block;
}

.primary-navigation {
	display: flex;
	align-items: center;
	gap: 2rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.primary-navigation .menu-item {
	margin: 0;
	padding: 0;
}

.primary-navigation .menu-item a {
	display: block;
	padding: 0.5rem 0;
	color: var(--gray-700);
	font-size: 0.9375rem;
	font-weight: 500;
	text-decoration: none;
	transition: color 0.2s ease;
	position: relative;
}

.primary-navigation .menu-item a:hover,
.primary-navigation .menu-item a:focus {
	color: var(--blue-600);
}

/* Active menu item indicator */
.primary-navigation .menu-item.current-menu-item a,
.primary-navigation .menu-item.current_page_item a {
	color: var(--blue-600);
}

.primary-navigation .menu-item.current-menu-item a::after,
.primary-navigation .menu-item.current_page_item a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2px;
	background-color: var(--blue-600);
}

/* ===================================
   Submenu / Dropdown Styles
   =================================== */

.primary-navigation .menu-item {
	position: relative;
}

.primary-navigation .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 220px;
	margin: 0;
	padding: 0.5rem 0;
	list-style: none;
	background-color: var(--white);
	border: 1px solid var(--gray-200);
	border-radius: 8px;
	box-shadow: var(--shadow-large);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-10px);
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
	z-index: var(--z-dropdown);
}

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

.primary-navigation .sub-menu .menu-item {
	width: 100%;
	border-bottom: none;
}

.primary-navigation .sub-menu .menu-item a {
	padding: 0.625rem 1rem;
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--gray-700);
	white-space: nowrap;
}

.primary-navigation .sub-menu .menu-item a:hover,
.primary-navigation .sub-menu .menu-item a:focus {
	background-color: var(--gray-50);
	color: var(--blue-600);
}

.primary-navigation .sub-menu .menu-item a .count {
	font-size: 0.75rem;
	color: var(--gray-500);
	margin-left: 0.25rem;
}

/* Parent menu item with submenu indicator */
.primary-navigation .menu-item:has(.sub-menu) > a::before {
	content: '▼';
	font-size: 0.625rem;
	margin-right: 0.25rem;
	color: var(--gray-500);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
	.mpr-mobile-menu-toggle {
		display: flex;
		order: 3;
	}

	.mpr-site-branding {
		order: 1;
	}

	.mpr-header-navigation {
		order: 2;
		position: absolute;
		top: 70px;
		left: 0;
		right: 0;
		width: 100%;
		max-height: 0;
		overflow: hidden;
		background-color: var(--white);
		border-bottom: 1px solid var(--gray-200);
		transition: max-height 0.3s ease;
	}

	.mpr-header-navigation.is-open {
		max-height: 500px;
		box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
	}

	.primary-navigation {
		flex-direction: column;
		gap: 0;
		padding: 1rem 1.5rem;
	}

	.primary-navigation .menu-item {
		width: 100%;
		border-bottom: 1px solid var(--gray-200);
	}

	.primary-navigation .menu-item:last-child {
		border-bottom: none;
	}

	.primary-navigation .menu-item a {
		padding: 1rem 0;
		font-size: 1rem;
	}

	/* Mobile submenu styles */
	.primary-navigation .sub-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		box-shadow: none;
		border: none;
		border-top: 1px solid var(--gray-200);
		border-radius: 0;
		padding: 0.5rem 0 0.5rem 1rem;
		background-color: var(--gray-50);
		max-height: 0;
		overflow: hidden;
		transition: max-height 0.3s ease;
	}

	.primary-navigation .menu-item:hover > .sub-menu,
	.primary-navigation .menu-item:focus-within > .sub-menu {
		max-height: 500px;
	}

	.primary-navigation .sub-menu .menu-item a {
		font-size: 0.875rem;
		padding: 0.75rem 0;
	}

	/* Remove dropdown indicator on mobile */
	.primary-navigation .menu-item:has(.sub-menu) > a::before {
		content: '▶';
	}
}

@media (min-width: 769px) {
	.mpr-header-inner {
		min-height: 80px;
	}

	.mpr-site-logo {
		font-size: 1.75rem;
	}
}