/**
 * Header and Navigation Styles
 * 
 * @package Higashimatudo_Shika
 */

/* ============================================
   Header Base
   ============================================ */
.site-header {
	position: sticky;
	top: 0;
	z-index: var(--z-fixed);
	background-color: var(--color-background);
	border-bottom: 1px solid var(--color-border-light);
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-wrapper {
	position: relative;
}

.header-content {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--spacing-md) 0;
	min-height: 84px;
}

.site-branding {
	display: flex;
	align-items: center;
	gap: var(--spacing-md);
	min-height: 100%;
	background: transparent;
}

.site-branding > a {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 64px;
	height: 64px;
	flex: 0 0 auto;
}

.site-branding img {
	height: auto;
	max-width: 200px;
	max-height: 64px;
	display: block;
	background: transparent;
	transform: translateY(-2px);
}

.site-title {
	display: block;
	font-size: var(--font-size-2xl);
	font-weight: var(--font-weight-bold);
	line-height: 1.2;
	margin: 0;
	color: var(--color-text);
	white-space: nowrap;
}

.site-title a {
	text-decoration: none;
	color: inherit;
	transition: color var(--transition-fast);
}

.site-title a:hover {
	color: var(--color-primary);
	text-decoration: none;
}

.site-description {
	display: none;
	margin: 0;
	font-size: var(--font-size-sm);
	color: var(--color-text-lighter);
}

/* ============================================
   Navigation Wrapper (Desktop)
   ============================================ */
.header-nav-wrapper {
	display: flex;
	align-items: center;
	gap: var(--spacing-lg);
	flex: 1;
	justify-content: flex-end;
}

/* ============================================
   Main Navigation (Desktop)
   ============================================ */
.main-navigation {
	display: block;
}

.main-navigation .menu,
.main-navigation .nav-menu {
	display: flex;
	list-style: none;
	gap: var(--spacing-lg);
	margin: 0;
	padding: 0;
	align-items: center;
}

.main-navigation .menu-item {
	position: relative;
	margin: 0;
}

.main-navigation a {
	display: block;
	padding: var(--spacing-sm) var(--spacing-md);
	color: var(--color-text);
	text-decoration: none;
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-normal);
	transition: color var(--transition-fast);
	border-bottom: 2px solid transparent;
}

.main-navigation a:hover {
	color: var(--color-primary);
	border-bottom-color: var(--color-primary);
}

.main-navigation .current-menu-item > a,
.main-navigation .menu-item.active > a {
	color: var(--color-primary);
	font-weight: var(--font-weight-semibold);
	border-bottom-color: var(--color-primary);
}

/* ============================================
   Submenus (Desktop)
   ============================================ */
.main-navigation .sub-menu {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	background-color: var(--color-background);
	border: 1px solid var(--color-border-light);
	border-radius: var(--radius-md);
	list-style: none;
	padding: var(--spacing-md) 0;
	margin: var(--spacing-sm) 0 0 0;
	min-width: 200px;
	box-shadow: var(--shadow-md);
	z-index: var(--z-dropdown);
}

.main-navigation .menu-item:hover > .sub-menu {
	display: block;
	animation: slideDown var(--transition-fast) ease-in-out;
}

.main-navigation .sub-menu li {
	margin: 0;
}

.main-navigation .sub-menu a {
	display: block;
	padding: var(--spacing-sm) var(--spacing-lg);
	color: var(--color-text);
	font-size: var(--font-size-sm);
	border-bottom: none;
}

.main-navigation .sub-menu a:hover {
	background-color: var(--color-background-alt);
	color: var(--color-primary);
	border-bottom: none;
}

@keyframes slideDown {
	from {
		opacity: 0;
		transform: translateY(-8px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ============================================
   Header CTA Button
   ============================================ */
.header-actions {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 0.65rem;
	flex-shrink: 0;
}

.header-phone-link {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-sm);
	min-height: 3rem;
	padding: var(--spacing-md) var(--spacing-xl);
	border: 1px solid #b7dfe8;
	border-radius: var(--radius-md);
	background: var(--color-background);
	color: var(--color-primary-dark);
	-webkit-text-fill-color: var(--color-primary-dark);
	line-height: 1.2;
	text-decoration: none;
	white-space: nowrap;
	box-shadow: 0 4px 12px rgba(8, 126, 174, 0.1);
	transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.header-phone-link:hover,
.header-phone-link:focus {
	background: var(--color-accent-light);
	color: var(--color-primary-dark);
	text-decoration: none;
	transform: translateY(-1px);
	box-shadow: 0 6px 16px rgba(8, 126, 174, 0.16);
}

.header-phone-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.5rem;
	height: 1.5rem;
	flex: 0 0 1.5rem;
	color: var(--color-primary-dark);
	font-family: Arial, "Helvetica Neue", sans-serif;
	font-size: 1.4rem;
	font-variant-emoji: text;
	line-height: 1;
	text-align: center;
	vertical-align: middle;
	transform: translateY(0.08em);
	-webkit-text-fill-color: var(--color-primary-dark);
	margin-top: 0;
}

.header-phone-copy {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 0.15rem;
	min-width: 0;
	text-align: center;
}

.header-phone-number-row {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--spacing-sm);
	line-height: 1;
	text-align: center;
}

.header-phone-label {
	font-size: var(--font-size-xs);
	line-height: 1.2;
	white-space: nowrap;
	text-align: center;
	margin-bottom: 0.12rem;
}

.header-phone-number {
	display: inline-flex;
	align-items: center;
	font-size: var(--font-size-xl);
	font-weight: var(--font-weight-bold);
	letter-spacing: 0.04em;
	line-height: 1.2;
	white-space: nowrap;
	margin: 0;
}

.header-phone-link .header-phone-icon,
.header-phone-link .header-phone-copy,
.header-phone-link .header-phone-label,
.header-phone-link strong,
.header-phone-number {
	color: var(--color-primary-dark);
	-webkit-text-fill-color: var(--color-primary-dark);
}

.header-phone-link,
.header-phone-link * {
	-webkit-text-fill-color: var(--color-primary-dark) !important;
}



/* ============================================
   Hamburger Menu (Mobile)
   ============================================ */
.hamburger-menu {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 44px;
	height: 44px;
	padding: 0;
	background: none;
	border: none;
	cursor: pointer;
	margin-left: var(--spacing-md);
	flex-shrink: 0;
	transition: all var(--transition-fast);
}

.hamburger-menu span {
	display: block;
	width: 24px;
	height: 2px;
	background-color: var(--color-text);
	margin: 5px 0;
	transition: all var(--transition-fast);
	border-radius: 1px;
}

.hamburger-menu:hover span {
	background-color: var(--color-primary);
}

.hamburger-menu[aria-expanded="true"] span:nth-child(1) {
	transform: rotate(45deg) translate(10px, 10px);
	background-color: var(--color-primary);
}

.hamburger-menu[aria-expanded="true"] span:nth-child(2) {
	opacity: 0;
	background-color: var(--color-primary);
}

.hamburger-menu[aria-expanded="true"] span:nth-child(3) {
	transform: rotate(-45deg) translate(7px, -7px);
	background-color: var(--color-primary);
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-menu {
	display: none;
	position: fixed;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100vh;
	background-color: var(--color-background);
	z-index: var(--z-modal-backdrop);
	transition: left var(--transition-base) ease-in-out;
	padding-top: 80px;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
}

.mobile-menu.is-open {
	left: 0;
}

/* Mobile menu backdrop */
.mobile-menu::before {
	content: '';
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: -1;
	opacity: 0;
	transition: opacity var(--transition-fast);
}

.mobile-menu.is-open::before {
	opacity: 1;
}

.mobile-menu .menu,
.mobile-menu .mobile-nav-menu {
	display: flex;
	flex-direction: column;
	list-style: none;
	margin: 0;
	padding: var(--spacing-lg);
	gap: 0;
}

.mobile-menu .menu-item {
	margin: 0;
	border-bottom: 1px solid var(--color-border-light);
}

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

.mobile-menu a {
	display: block;
	padding: var(--spacing-lg) var(--spacing-md);
	color: var(--color-text);
	text-decoration: none;
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-normal);
	transition: all var(--transition-fast);
}

.mobile-menu a:hover {
	color: var(--color-primary);
	background-color: var(--color-background-alt);
	padding-left: var(--spacing-lg);
}

.mobile-menu .current-menu-item > a,
.mobile-menu .menu-item.active > a {
	color: var(--color-primary);
	font-weight: var(--font-weight-semibold);
	background-color: rgba(0, 102, 204, 0.05);
}

/* Mobile submenu */
.mobile-menu .sub-menu {
	display: none;
	flex-direction: column;
	list-style: none;
	margin: 0;
	padding: 0;
	background-color: var(--color-background-alt);
}

.mobile-menu .menu-item:hover > .sub-menu,
.mobile-menu .menu-item.is-expanded > .sub-menu {
	display: flex;
}

.mobile-menu .sub-menu li {
	margin: 0;
	border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu .sub-menu a {
	padding-left: var(--spacing-2xl);
	font-size: var(--font-size-sm);
}

/* Mobile menu CTA */
.mobile-menu-cta {
	padding: var(--spacing-lg);
	border-top: 1px solid var(--color-border-light);
	margin-top: var(--spacing-lg);
}

/* ============================================
   Responsive: Tablet and Up
   ============================================ */
@media (min-width: 768px) {
	.header-content {
		padding: var(--spacing-lg) 0;
	}

	.main-navigation .menu,
	.main-navigation .nav-menu {
		gap: var(--spacing-xl);
	}

	.main-navigation a {
		padding: var(--spacing-sm) 0;
	}
}

/* ============================================
   Responsive: Mobile (Below 768px)
   ============================================ */
@media (max-width: 767px) {
	.header-content {
		padding: var(--spacing-md) 0;
	}

	.site-branding {
		margin-right: auto;
		gap: var(--spacing-sm);
	}

	.site-branding img {
		max-width: 150px;
	}

	.site-title {
		font-size: var(--font-size-lg);
	}

	/* Hide desktop navigation */
	.main-navigation {
		display: none;
	}

	/* Show hamburger menu */
	.hamburger-menu {
		display: flex;
	}

	/* Show mobile menu container */
	.mobile-menu {
		display: block;
	}

	/* Hide header CTA on mobile (optional) */
	.header-cta {
		display: none;
	}

	/* Adjust header nav wrapper */
	.header-nav-wrapper {
		gap: 0;
		flex: 0 0 auto;
		margin-left: auto;
		justify-content: flex-end;
	}

	.hamburger-menu {
		margin-left: 0;
		margin-right: 0;
	}
}

/* ============================================
   Accessibility
   ============================================ */
.hamburger-menu:focus {
	outline: 2px solid var(--color-primary);
	outline-offset: 2px;
}

.main-navigation a:focus {
	outline: 2px solid var(--color-primary);
	outline-offset: -2px;
}

.mobile-menu a:focus {
	outline: 2px solid var(--color-primary);
	outline-offset: -2px;
}

/* Keyboard focus visible */
body.keyboard-focus .hamburger-menu:focus,
body.keyboard-focus .main-navigation a:focus,
body.keyboard-focus .mobile-menu a:focus {
	outline: 2px solid var(--color-primary);
}