.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 40;
	background: rgba(249, 250, 251, 0.94);
	backdrop-filter: blur(18px);
	border-bottom: 1px solid rgba(222, 229, 232, 0.95);
}
.site-header-inner {
	height: var(--header-height);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-24);
}
.site-logo-link {
	display: inline-flex;
	align-items: center;
	gap: var(--space-12);
}
.site-brand-text-group {
	display: flex;
	flex-direction: column;
	gap: 2px;
}
.site-subtitle {
	font-size: 0.7rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--gray-500);
}
.site-nav {
	display: flex;
	align-items: center;
}
.site-nav-list {
	display: flex;
	align-items: center;
	gap: var(--space-24);
	font-size: var(--font-size-sm);
}
.site-nav-list a {
	padding: 0.3rem 0;
	color: var(--gray-700);
	position: relative;
}
.site-nav-list a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -4px;
	width: 0;
	height: 2px;
	border-radius: 999px;
	background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
	transition: width var(--transition-base);
}
.site-nav-list a:hover {
	color: var(--color-heading);
}
.site-nav-list a:hover::after {
	width: 18px;
}
.site-nav-list a[aria-current="page"] {
	font-weight: 600;
	color: var(--color-heading);
}
.site-nav-list a[aria-current="page"]::after {
	width: 22px;
}
.header-cta {
	display: flex;
	align-items: center;
	gap: var(--space-12);
}
.header-cta-btn {
	font-size: 0.7rem;
	padding: 0.75rem 1.5rem;
}
.badge-age {
	flex-shrink: 0;
}
.header-menu-toggle {
	display: none;
	position: relative;
	width: 40px;
	height: 40px;
	border-radius: 999px;
	border: 1px solid var(--color-border);
	background: rgba(255, 255, 255, 0.92);
	box-shadow: var(--shadow-xs);
	align-items: center;
}
.header-menu-toggle-box {
	width: 18px;
	height: 14px;
	display: inline-block;
	position: relative;
}
.header-menu-toggle-inner,
.header-menu-toggle-inner::before,
.header-menu-toggle-inner::after {
	position: absolute;
	width: 100%;
	height: 2px;
	border-radius: 999px;
	background-color: var(--color-heading);
	transition:
		transform var(--transition-base),
		top var(--transition-base),
		opacity var(--transition-base);
}
.header-menu-toggle-inner {
	top: 50%;
	transform: translateY(-50%);
}
.header-menu-toggle-inner::before,
.header-menu-toggle-inner::after {
	content: "";
	left: 0;
}
.header-menu-toggle-inner::before {
	top: -6px;
}
.header-menu-toggle-inner::after {
	top: 6px;
}
.header-menu-toggle[aria-expanded="true"] .header-menu-toggle-inner {
	transform: translateY(-50%) rotate(45deg);
}
.header-menu-toggle[aria-expanded="true"] .header-menu-toggle-inner::before {
	top: 0;
	opacity: 0;
}
.header-menu-toggle[aria-expanded="true"] .header-menu-toggle-inner::after {
	top: 0;
	transform: rotate(-90deg);
}
.mobile-nav-panel {
	position: fixed;
	inset: 96px 0 auto 0;
	max-height: 0;
	overflow: hidden;
	background: rgba(15, 23, 42, 0.72);
	backdrop-filter: blur(18px);
	transition: max-height var(--transition-base);
	z-index: 35;
}
.mobile-nav-panel.is-open {
	max-height: 80vh;
}
.mobile-nav-inner {
	padding: var(--space-24) var(--space-24) var(--space-32);
	background: linear-gradient(
		135deg,
		rgba(15, 23, 42, 0.96),
		rgba(17, 24, 39, 0.98)
	);
	border-bottom: 1px solid rgba(55, 65, 81, 0.9);
	box-shadow: 0 28px 60px rgba(15, 23, 42, 0.85);
}
.mobile-nav {
	margin-bottom: var(--space-24);
}
.mobile-nav-list {
	display: flex;
	flex-direction: column;
	gap: var(--space-12);
}
.mobile-nav-list a {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 0.65rem 0;
	border-bottom: 1px solid rgba(55, 65, 81, 0.8);
	font-size: 0.92rem;
	color: #e5e7eb;
}

.mobile-nav-list a:last-child {
	border-bottom: none;
}
.mobile-nav-list a span {
	opacity: 0.75;
}
.mobile-nav-note {
	font-size: 0.78rem;
	line-height: 1.6;
	color: #9ca3af;
	background: rgba(15, 23, 42, 0.9);
	border-radius: var(--radius-lg);
	border: 1px solid rgba(55, 65, 81, 0.9);
	padding: var(--space-16);
}
@media (max-width: 1024px) {
	.site-nav {
		display: none;
	}
	.header-menu-toggle {
		display: inline-flex;
	}
	
	.site-subtitle {
		display: none;
	}
}
@media (max-width: 768px) {
	.site-header-inner {
		gap: var(--space-12);
	}
	.site-title {
		font-size: 0.88rem;
	}
	.header-cta-btn {
		display: none;
	}
	.badge-age {
		min-width: 50px;
		height: 28px;
		font-size: 0.68rem;
	}
	.mobile-nav-inner {
		padding-inline: var(--space-16);
	}
}