/**
 * PersiaCopy Header
 *
 * @package PersiaCopy
 */

/* ── Sticky header bar ── */

.site-header {
	position: sticky;
	top: 0;
	z-index: var(--z-sticky);
	background: var(--color-surface-glass);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border-bottom: 1px solid transparent;
	padding-block: var(--space-4);
	transition:
		box-shadow var(--duration-normal) var(--ease-out),
		border-color var(--duration-normal) var(--ease-out),
		background-color var(--duration-normal) var(--ease-out);
}

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

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-4);
	min-height: var(--header-height-shrink);
}

/* ── Brand / logo ── */

.site-header__brand {
	flex-shrink: 0;
	z-index: 1;
}

.site-header__brand .custom-logo-link {
	display: inline-flex;
	align-items: center;
	line-height: 0;
}

.site-header__logo,
.site-header__brand .custom-logo {
	width: auto;
	max-height: 2.75rem;
	height: auto;
}

.site-header__title {
	font-size: var(--text-xl);
	font-weight: var(--weight-bold);
	color: var(--color-text);
	text-decoration: none;
	white-space: nowrap;
}

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

/* ── Desktop navigation ── */

.site-header__nav {
	flex: 1;
	display: none;
	justify-content: center;
	min-width: 0;
}

.primary-menu {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	gap: var(--space-1);
	margin: 0;
	padding: 0;
	list-style: none;
}

.primary-menu__item {
	position: relative;
}

.primary-menu__link {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	padding: var(--space-2) var(--space-3);
	font-size: var(--text-sm);
	font-weight: var(--weight-medium);
	color: var(--color-text-secondary);
	border-radius: var(--radius-md);
	transition:
		color var(--duration-fast) var(--ease-out),
		background-color var(--duration-fast) var(--ease-out);
	text-decoration: none;
	white-space: nowrap;
}

.primary-menu__link:hover,
.primary-menu__link:focus-visible {
	color: var(--color-primary);
	background-color: var(--color-hover-bg);
	text-decoration: none;
}

.primary-menu__item.current-menu-item > .primary-menu__link,
.primary-menu__item.current-menu-ancestor > .primary-menu__link {
	color: var(--color-primary);
	font-weight: var(--weight-semibold);
}

.primary-menu__chevron {
	display: inline-flex;
	transition: transform var(--duration-normal) var(--ease-out);
}

.primary-menu__chevron .icon {
	width: 0.875rem;
	height: 0.875rem;
}

.primary-menu__item:hover .primary-menu__chevron,
.primary-menu__item:focus-within .primary-menu__chevron,
.primary-menu__item.is-open .primary-menu__chevron {
	transform: rotate(180deg);
}

/* ── Mega menu dropdown ── */

.mega-menu {
	position: absolute;
	inset-inline-start: 50%;
	top: calc(100% + var(--space-2));
	width: max-content;
	min-width: min(36rem, 90vw);
	max-width: min(56rem, 96vw);
	translate: -50% 0.5rem;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition:
		opacity var(--duration-normal) var(--ease-out),
		translate var(--duration-normal) var(--ease-out),
		visibility var(--duration-normal) var(--ease-out);
	z-index: var(--z-dropdown);
}

.primary-menu__item:hover > .mega-menu,
.primary-menu__item:focus-within > .mega-menu,
.primary-menu__item.is-open > .mega-menu {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	translate: -50% 0;
}

.mega-menu__panel {
	padding: var(--space-6);
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-xl);
	box-shadow: var(--shadow-lg);
}

.mega-menu__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
	gap: var(--space-2) var(--space-6);
	margin: 0;
	padding: 0;
	list-style: none;
}

.mega-menu__link {
	display: block;
	padding: var(--space-2) var(--space-3);
	font-size: var(--text-sm);
	font-weight: var(--weight-medium);
	color: var(--color-text);
	border-radius: var(--radius-md);
	transition:
		color var(--duration-fast) var(--ease-out),
		background-color var(--duration-fast) var(--ease-out);
	text-decoration: none;
}

.mega-menu__link:hover,
.mega-menu__link:focus-visible {
	color: var(--color-primary);
	background-color: var(--color-hover-bg);
	text-decoration: none;
}

.mega-menu__description {
	margin: var(--space-1) var(--space-3) 0;
	font-size: var(--text-xs);
	color: var(--color-muted);
	line-height: var(--leading-snug);
}

.mega-menu__sublist {
	margin: var(--space-2) 0 0;
	padding: 0;
	list-style: none;
}

.mega-menu__sublist .mega-menu__link {
	font-size: var(--text-xs);
	font-weight: var(--weight-normal);
	color: var(--color-muted);
	padding-block: var(--space-1);
}

/* ── Header actions ── */

.site-header__actions {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	flex-shrink: 0;
}

.site-header__menu-toggle {
	display: inline-flex;
}

.site-header__phone {
	display: none;
	align-items: center;
	gap: var(--space-2);
	font-size: var(--text-sm);
	font-weight: var(--weight-semibold);
	color: var(--color-text-secondary);
	text-decoration: none;
	white-space: nowrap;
	transition: color var(--duration-fast) var(--ease-out);
}

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

.site-header__phone .icon {
	width: 1rem;
	height: 1rem;
	color: var(--color-primary);
}

.site-header__cta {
	display: none;
}

.site-header__search-toggle,
.site-header__menu-toggle {
	color: var(--color-text-secondary);
}

.site-header__search-toggle:hover,
.site-header__menu-toggle:hover {
	color: var(--color-primary);
}

.icon {
	width: 1.25rem;
	height: 1.25rem;
	flex-shrink: 0;
}

/* ── Site overlay ── */

.site-overlay {
	position: fixed;
	inset: 0;
	z-index: calc(var(--z-overlay) - 1);
	background: rgb(15 23 42 / 45%);
	opacity: 0;
	transition: opacity var(--duration-normal) var(--ease-out);
}

.site-overlay.is-visible {
	opacity: 1;
}

.site-overlay[hidden] {
	display: none;
}

.site-overlay.is-visible:not([hidden]) {
	display: block;
}

/* ── Search modal ── */

.search-modal {
	position: fixed;
	inset: 0;
	z-index: var(--z-modal);
	display: flex;
	align-items: flex-start;
	justify-content: center;
	padding: var(--space-8) var(--space-4);
	opacity: 0;
	visibility: hidden;
	transition:
		opacity var(--duration-normal) var(--ease-out),
		visibility var(--duration-normal) var(--ease-out);
}

.search-modal.is-open {
	opacity: 1;
	visibility: visible;
}

.search-modal[hidden] {
	display: none;
}

.search-modal.is-open:not([hidden]) {
	display: flex;
}

.search-modal__backdrop {
	position: absolute;
	inset: 0;
	background: rgb(15 23 42 / 50%);
	backdrop-filter: blur(4px);
}

.search-modal__dialog {
	position: relative;
	width: min(100%, 40rem);
	padding: var(--space-6);
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-2xl);
	box-shadow: var(--shadow-xl);
	transform: translateY(-1rem);
	transition: transform var(--duration-normal) var(--ease-out);
}

.search-modal.is-open .search-modal__dialog {
	transform: translateY(0);
}

.search-modal__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: var(--space-5);
}

.search-modal__title {
	margin: 0;
	font-size: var(--text-xl);
	font-weight: var(--weight-bold);
}

.search-modal__form {
	display: flex;
	gap: var(--space-3);
	margin-bottom: var(--space-4);
}

.search-modal__input {
	flex: 1;
}

.search-modal__submit {
	flex-shrink: 0;
}

.search-modal__results {
	max-height: 20rem;
	overflow-y: auto;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	margin-bottom: var(--space-3);
}

.search-modal__results.is-loading {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 5rem;
	padding: var(--space-4);
	color: var(--color-muted);
	font-size: var(--text-sm);
}

.search-modal__results.is-empty {
	padding: var(--space-4);
	color: var(--color-muted);
	font-size: var(--text-sm);
	text-align: center;
}

.search-modal__group {
	padding: var(--space-2) 0;
}

.search-modal__group:not(:last-child) {
	border-bottom: 1px solid var(--color-border);
}

.search-modal__group-title {
	margin: 0;
	padding: var(--space-2) var(--space-4);
	font-size: var(--text-xs);
	font-weight: var(--weight-semibold);
	color: var(--color-muted);
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

.search-modal__item {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-3) var(--space-4);
	color: inherit;
	text-decoration: none;
	transition: background-color var(--duration-fast) var(--ease-out);
}

.search-modal__item:hover,
.search-modal__item.is-focused {
	background: var(--color-bg-alt);
	color: inherit;
	text-decoration: none;
}

.search-modal__item-image {
	flex-shrink: 0;
	width: 3rem;
	height: 3rem;
	border-radius: var(--radius-md);
	overflow: hidden;
	background: var(--color-bg-alt);
	object-fit: cover;
}

.search-modal__item-image--placeholder {
	display: block;
	background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border));
}

.search-modal__item-body {
	min-width: 0;
	flex: 1;
}

.search-modal__item-title {
	display: block;
	font-size: var(--text-sm);
	font-weight: var(--weight-semibold);
	color: var(--color-text);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.search-modal__item-meta {
	display: block;
	margin-top: var(--space-1);
	font-size: var(--text-xs);
	color: var(--color-muted);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.search-modal__footer {
	margin: 0 0 var(--space-3);
	text-align: center;
}

.search-modal__view-all {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-2) var(--space-4);
	font-size: var(--text-sm);
	font-weight: var(--weight-semibold);
	color: var(--color-primary);
	text-decoration: none;
	border: 1px solid rgb(var(--color-primary-rgb) / 25%);
	border-radius: var(--radius-lg);
	transition: background-color var(--duration-fast) var(--ease-out);
}

.search-modal__view-all:hover {
	background: rgb(var(--color-primary-rgb) / 8%);
	color: var(--color-primary);
	text-decoration: none;
}

.search-modal__status {
	margin: 0;
}

.search-modal__hint {
	margin: 0;
	font-size: var(--text-xs);
	color: var(--color-muted);
}

/* ── Mobile menu offcanvas ── */

.mobile-menu {
	position: fixed;
	inset-block: 0;
	inset-inline-start: 0;
	z-index: var(--z-overlay);
	width: min(100%, 22rem);
	background: var(--color-surface);
	border-inline-end: 1px solid var(--color-border);
	box-shadow: var(--shadow-xl);
	display: flex;
	flex-direction: column;
	translate: 100% 0;
	transition: translate var(--duration-normal) var(--ease-out);
}

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

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

.mobile-menu.is-open:not([hidden]) {
	display: flex;
}

.mobile-menu__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--space-5) var(--space-5) var(--space-4);
	border-bottom: 1px solid var(--color-border);
}

.mobile-menu__title {
	font-size: var(--text-lg);
	font-weight: var(--weight-bold);
}

.mobile-menu__nav {
	flex: 1;
	overflow-y: auto;
	padding: var(--space-4) var(--space-3);
}

.mobile-menu__list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.mobile-menu__item {
	border-bottom: 1px solid var(--color-border);
}

.mobile-menu__row {
	display: flex;
	align-items: center;
	gap: var(--space-2);
}

.mobile-menu__link {
	flex: 1;
	display: block;
	padding: var(--space-4) var(--space-3);
	font-size: var(--text-base);
	font-weight: var(--weight-medium);
	color: var(--color-text);
	text-decoration: none;
}

.mobile-menu__link:hover {
	color: var(--color-primary);
}

.mobile-menu__toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.5rem;
	height: 2.5rem;
	padding: 0;
	background: transparent;
	border: none;
	border-radius: var(--radius-md);
	color: var(--color-muted);
	cursor: pointer;
	transition:
		background-color var(--duration-fast) var(--ease-out),
		transform var(--duration-normal) var(--ease-out);
}

.mobile-menu__toggle:hover {
	background: var(--color-hover-bg);
	color: var(--color-primary);
}

.mobile-menu__toggle[aria-expanded="true"] {
	transform: rotate(180deg);
}

.mobile-menu__submenu {
	margin: 0;
	padding: 0 var(--space-3) var(--space-3);
	list-style: none;
	background: var(--color-bg-alt);
	border-radius: var(--radius-lg);
}

.mobile-menu__submenu .mobile-menu__link {
	padding: var(--space-3);
	font-size: var(--text-sm);
}

.mobile-menu__footer {
	display: flex;
	flex-direction: column;
	gap: var(--space-3);
	padding: var(--space-5);
	border-top: 1px solid var(--color-border);
	background: var(--color-bg-alt);
}

.mobile-menu__call,
.mobile-menu__whatsapp {
	width: 100%;
}

/* Body scroll lock */

body.is-nav-open,
body.is-search-open {
	overflow: hidden;
}

/* ── Responsive ── */

@media (min-width: 992px) {
	.site-header__menu-toggle {
		display: none;
	}

	.site-header__nav {
		display: flex;
	}

	.site-header__phone--text {
		display: inline-flex;
	}

	.site-header__cta {
		display: inline-flex;
	}

	.mobile-menu,
	#mobile-menu-toggle {
		display: none !important;
	}
}

@media (max-width: 991.98px) {
	.site-header__brand {
		flex: 1;
		text-align: center;
	}

	.site-header__menu-toggle {
		order: -1;
	}

	.site-header__actions {
		order: 1;
	}

	.site-header__search-toggle {
		display: inline-flex;
	}
}

@media (min-width: 768px) and (max-width: 991.98px) {
	.site-header__cta {
		display: inline-flex;
	}
}