/**
 * U777 Game header styles.
 *
 * @package U777_Game
 */

/* Sticky Header
--------------------------------------------- */
.site-header {
	position: relative;
	z-index: 1000;
	background: var(--u777-bg);
	box-shadow: 0 2px 16px rgba(17, 24, 39, 0.04);
	transition: box-shadow var(--u777-transition), background var(--u777-transition);
}

.site-header--sticky {
	position: sticky;
	top: 0;
}

.site-header.is-scrolled {
	box-shadow: var(--u777-shadow-sm);
}

.site-header__inner {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	gap: 2rem;
	min-height: var(--u777-header-height);
}

/* Branding
--------------------------------------------- */
.site-header__brand {
	display: flex;
	align-items: center;
	min-width: 0;
}

.site-branding {
	display: flex;
	flex-direction: column;
	gap: 0.125rem;
}

.site-branding__logo img,
.custom-logo-link img {
	max-height: 42px;
	width: auto;
}

.site-title {
	margin: 0;
	font-family: var(--u777-font-heading);
	font-size: 1.375rem;
	font-weight: 800;
	line-height: 1.1;
	color: var(--u777-heading);
}

.site-title a {
	color: var(--u777-heading);
	text-decoration: none;
	transition: color var(--u777-transition);
}

.site-title a:hover {
	color: var(--u777-primary);
}

.site-tagline {
	margin: 0;
	font-size: 0.75rem;
	font-weight: 500;
	color: var(--u777-text);
	letter-spacing: 0.01em;
}

/* Navigation
--------------------------------------------- */
.main-navigation {
	display: flex;
	justify-content: center;
}

.menu--primary {
	display: flex;
	align-items: center;
	gap: 2.5rem;
}

.menu--primary > .menu-item > a {
	position: relative;
	display: inline-block;
	padding: 0.5rem 0;
	font-size: 0.9375rem;
	font-weight: 500;
	color: var(--u777-heading);
	transition: color var(--u777-transition);
}

.menu--primary > .menu-item > a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 2px;
	background: var(--u777-gradient);
	border-radius: 2px;
	transform: scaleX(0);
	transform-origin: center;
	transition: transform var(--u777-transition);
}

.menu--primary > .menu-item > a:hover,
.menu--primary > .menu-item.current-menu-item > a,
.menu--primary > .menu-item.current_page_item > a {
	color: var(--u777-primary);
}

.menu--primary > .menu-item > a:hover::after,
.menu--primary > .menu-item.current-menu-item > a::after,
.menu--primary > .menu-item.current_page_item > a::after {
	transform: scaleX(1);
}

/* Header Download Button
--------------------------------------------- */
.site-header__actions {
	display: flex;
	align-items: center;
}

.btn--header {
	padding: 0.875rem 1.5rem;
	font-size: 0.9375rem;
	border-radius: var(--u777-radius-md);
}

/* Mobile Toggle
--------------------------------------------- */
.site-header__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	padding: 0;
	border: none;
	border-radius: var(--u777-radius-sm);
	background: transparent;
	cursor: pointer;
	transition: background var(--u777-transition);
}

.site-header__toggle:hover {
	background: rgba(17, 24, 39, 0.04);
}

.site-header__toggle-bar {
	display: block;
	width: 22px;
	height: 2px;
	margin: 0 auto;
	background: var(--u777-heading);
	border-radius: 2px;
	transition: transform var(--u777-transition), opacity var(--u777-transition);
}

.site-header__toggle.is-active .site-header__toggle-bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.site-header__toggle.is-active .site-header__toggle-bar:nth-child(2) {
	opacity: 0;
}

.site-header__toggle.is-active .site-header__toggle-bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Responsive
--------------------------------------------- */
@media (max-width: 1024px) {
	.site-header__inner {
		grid-template-columns: 1fr auto auto;
		gap: 1rem;
	}

	.main-navigation {
		position: fixed;
		top: var(--u777-header-height);
		left: 0;
		right: 0;
		display: block;
		padding: 1.5rem;
		background: var(--u777-bg);
		border-bottom: 1px solid var(--u777-border);
		box-shadow: var(--u777-shadow-md);
		transform: translateY(-120%);
		opacity: 0;
		visibility: hidden;
		transition: transform var(--u777-transition), opacity var(--u777-transition), visibility var(--u777-transition);
	}

	.main-navigation.is-open {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}

	.menu--primary {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
	}

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

	.site-header__toggle {
		display: flex;
	}

	.site-header__actions .btn--header span {
		display: none;
	}

	.btn--header {
		padding: 0.875rem;
		border-radius: 12px;
	}
}

@media (max-width: 480px) {
	.site-title {
		font-size: 1.125rem;
	}

	.site-tagline {
		font-size: 0.6875rem;
	}
}