/**
 * Glassmorphism sticky navbar + mega menu + mobile drawer.
 */

.mst-topbar {
	background: var(--mst-primary);
	color: rgba(255, 255, 255, 0.92);
	font-size: var(--text-xs);
}

.mst-topbar-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-2);
	padding-block: var(--space-1);
}

.mst-topbar-urdu {
	font-family: var(--font-urdu);
	font-size: var(--text-sm);
}

.mst-topbar-contact {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-4);
}

.mst-topbar-contact a {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: inherit;
	text-decoration: none;
}

.mst-topbar-contact a:hover {
	color: var(--mst-accent-light);
}

.mst-topbar-contact svg {
	width: 13px;
	height: 13px;
	flex-shrink: 0;
}

.mst-header {
	position: sticky;
	top: 0;
	z-index: 60;
	background: var(--glass-bg);
	backdrop-filter: blur(18px) saturate(160%);
	-webkit-backdrop-filter: blur(18px) saturate(160%);
	border-bottom: 1px solid var(--glass-border);
	transition: box-shadow var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}

.mst-header.is-scrolled {
	box-shadow: var(--shadow-sm);
}

.mst-header-inner {
	display: flex;
	align-items: center;
	gap: var(--space-4);
	height: 72px;
	transition: height var(--dur-base) var(--ease-out);
}

.mst-header.is-scrolled .mst-header-inner {
	height: 60px;
}

.mst-logo {
	font-family: var(--font-display);
	font-weight: 700;
	font-size: var(--text-lg);
	letter-spacing: -0.01em;
	color: var(--text);
	text-decoration: none;
	flex-shrink: 0;
}

.mst-logo span {
	color: var(--mst-accent);
}

.mst-nav {
	display: none;
}

@media (min-width: 1024px) {
	.mst-nav {
		display: flex;
		flex-wrap: nowrap;
		align-items: center;
		gap: 2px;
		margin-inline: auto;
		min-width: 0;
	}
}

.mst-nav-item {
	position: relative;
	flex-shrink: 0;
}

.mst-nav-link {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: var(--space-2) 10px;
	border-radius: var(--radius-full);
	font-size: var(--text-sm);
	font-weight: 500;
	text-decoration: none;
	white-space: nowrap;
	color: var(--text);
	background: transparent;
	border: none;
	transition: background-color var(--dur-fast) var(--ease-out);
}

.mst-nav-link:hover,
.mst-nav-item.is-open .mst-nav-link {
	background: var(--bg-subtle);
}

.mst-nav-link .mst-caret {
	width: 10px;
	height: 10px;
	transition: transform var(--dur-fast) var(--ease-out);
}

.mst-nav-item.is-open .mst-caret {
	transform: rotate(180deg);
}

/* Mega menu panel */
.mst-mega {
	position: absolute;
	top: calc(100% + var(--space-3));
	left: 50%;
	transform: translateX(-50%) translateY(8px);
	width: min(760px, 90vw);
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-lg);
	padding: var(--space-5);
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-4);
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), visibility var(--dur-base);
}

.mst-nav-item.is-open .mst-mega {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateX(-50%) translateY(0);
}

.mst-mega-col-title {
	font-size: var(--text-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--text-muted);
	margin-bottom: var(--space-2);
}

.mst-mega-link {
	display: block;
	padding: var(--space-1) 0;
	font-size: var(--text-sm);
	text-decoration: none;
	color: var(--text);
	transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.mst-mega-link:hover {
	color: var(--mst-accent);
	transform: translateX(3px);
}

.mst-mega-feature {
	grid-column: 3 / 4;
	border-radius: var(--radius-md);
	overflow: hidden;
	position: relative;
	background: var(--bg-subtle);
	text-decoration: none;
	display: block;
	aspect-ratio: 4 / 5;
}

.mst-mega-feature img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--dur-slow) var(--ease-out);
}

.mst-mega-feature:hover img {
	transform: scale(1.05);
}

.mst-mega-feature-label {
	position: absolute;
	inset: auto var(--space-3) var(--space-3) var(--space-3);
	color: #fff;
	font-weight: 600;
	font-size: var(--text-sm);
	text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

/* Right-side actions */
.mst-actions {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	margin-left: auto;
}

.mst-icon-btn {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: var(--radius-full);
	border: none;
	background: transparent;
	color: var(--text);
	transition: background-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.mst-icon-btn:hover {
	background: var(--bg-subtle);
}

.mst-icon-btn:active {
	transform: scale(0.92);
}

.mst-icon-btn svg {
	width: 20px;
	height: 20px;
}

.mst-badge {
	position: absolute;
	top: 2px;
	right: 2px;
	min-width: 16px;
	height: 16px;
	padding: 0 3px;
	border-radius: var(--radius-full);
	background: var(--mst-accent);
	color: #14150f;
	font-size: 10px;
	font-weight: 700;
	line-height: 16px;
	text-align: center;
	transform: scale(0);
	transition: transform var(--dur-fast) var(--ease-out);
}

.mst-badge.is-visible {
	transform: scale(1);
}

.mst-menu-toggle {
	display: inline-flex;
}

@media (min-width: 1024px) {
	.mst-menu-toggle {
		display: none;
	}
}

/* Theme toggle */
.mst-theme-toggle .mst-icon-sun,
.mst-theme-toggle .mst-icon-moon {
	position: absolute;
	transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

:root:not([data-theme="dark"]) .mst-theme-toggle .mst-icon-moon,
:root[data-theme="dark"] .mst-theme-toggle .mst-icon-sun {
	opacity: 0;
	transform: rotate(-90deg) scale(0.5);
}

:root:not([data-theme="dark"]) .mst-theme-toggle .mst-icon-sun,
:root[data-theme="dark"] .mst-theme-toggle .mst-icon-moon {
	opacity: 1;
	transform: rotate(0) scale(1);
}

/* Mobile drawer nav */
.mst-mobile-nav {
	position: fixed;
	inset: 0;
	z-index: 90;
	visibility: hidden;
}

.mst-mobile-nav.is-open {
	visibility: visible;
}

.mst-mobile-nav-overlay {
	position: absolute;
	inset: 0;
	background: var(--overlay);
	opacity: 0;
	transition: opacity var(--dur-base) var(--ease-out);
}

.mst-mobile-nav.is-open .mst-mobile-nav-overlay {
	opacity: 1;
}

.mst-mobile-nav-panel {
	position: absolute;
	top: 0;
	right: 0;
	height: 100%;
	width: min(340px, 86vw);
	background: var(--bg-elevated);
	box-shadow: var(--shadow-lg);
	padding: var(--space-4);
	transform: translateX(100%);
	transition: transform var(--dur-base) var(--ease-out);
	overflow-y: auto;
}

.mst-mobile-nav.is-open .mst-mobile-nav-panel {
	transform: translateX(0);
}

.mst-mobile-nav-link {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--space-3) var(--space-2);
	border-bottom: 1px solid var(--border);
	text-decoration: none;
	color: var(--text);
	font-weight: 500;
}

.mst-mobile-sub {
	padding-left: var(--space-3);
	display: none;
}

.mst-mobile-sub.is-open {
	display: block;
}

.mst-mobile-sub .mst-mobile-nav-link {
	font-weight: 400;
	font-size: var(--text-sm);
	color: var(--text-muted);
}