.site-header {
	position: sticky;
	top: 0;
	z-index: 40;
	background: rgba(246, 249, 255, 0.96);
	backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-4);
	min-height: 72px;
}
.site-header__brand {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}
.site-header__logo {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}
.site-header__logo-mark {
	width: 40px;
	height: 40px;
	border-radius: 18px;
	background: conic-gradient(
		from 180deg,
		var(--color-primary),
		var(--color-accent),
		var(--color-highlight),
		var(--color-primary)
	);
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--font-display);
	font-weight: 700;
	font-size: var(--font-size-sm);
	color: #fff;
	box-shadow: var(--shadow-sm);
}
.site-header__logo-text {
	display: flex;
	flex-direction: column;
	line-height: 1.1;
}
.site-header__logo-name {
	font-family: var(--font-display);
	font-weight: 700;
	font-size: var(--font-size-lg);
	color: var(--color-heading);
}
.site-header__logo-tagline {
	font-size: var(--font-size-xs);
	color: var(--gray-500);
	text-transform: uppercase;
	letter-spacing: 0.08em;
}
.site-header__nav {
	display: flex;
	align-items: center;
}
.site-header__nav-list {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}
.site-header__nav-link {
	position: relative;
	padding: 10px 14px;
	border-radius: 999px;
	font-size: var(--font-size-sm);
	font-weight: 500;
	color: var(--gray-700);
	transition:
		color var(--transition-normal),
		background var(--transition-normal),
		transform var(--transition-fast);
}
.site-header__nav-link::after {
	content: "";
	position: absolute;
	left: 14px;
	right: 14px;
	bottom: 7px;
	height: 2px;
	border-radius: 999px;
	background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
	opacity: 0;
	transform: scaleX(0);
	transform-origin: center;
	transition:
		opacity var(--transition-normal),
		transform var(--transition-normal);
}
.site-header__nav-link:hover {
	color: var(--color-heading);
	background: rgba(255, 255, 255, 0.7);
	transform: translateY(-1px);
}
.site-header__nav-link:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
}
.site-header__nav-link:hover::after {
	opacity: 1;
	transform: scaleX(1);
}
.site-header__nav-item--highlight .site-header__nav-link--cta {
	background: linear-gradient(
		135deg,
		var(--color-primary),
		var(--color-accent)
	);
	color: #fff;
	box-shadow: var(--shadow-sm);
}
.site-header__nav-item--highlight .site-header__nav-link--cta::after {
	display: none;
}
.site-header__nav-item--highlight .site-header__nav-link--cta:hover {
	background: linear-gradient(
		135deg,
		var(--color-primary-hover),
		var(--color-accent)
	);
	transform: translateY(-1px);
}
.site-header__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 44px;
	height: 44px;
	border-radius: 999px;
	border: 1px solid rgba(216, 230, 255, 0.9);
	background: rgba(255, 255, 255, 0.9);
	box-shadow: var(--shadow-xs);
	gap: 5px;
	transition:
		background var(--transition-normal),
		box-shadow var(--transition-normal),
		transform var(--transition-fast);
}
.site-header__toggle-bar {
	width: 20px;
	height: 2px;
	border-radius: 999px;
	background: var(--color-heading);
	transition:
		transform var(--transition-normal),
		opacity var(--transition-normal),
		width var(--transition-normal);
}
.site-header__toggle:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
}
.site-header__toggle:hover {
	background: #fff;
	box-shadow: var(--shadow-sm);
	transform: translateY(-1px);
}
.site-header__toggle.is-active .site-header__toggle-bar:nth-child(1) {
	transform: translateY(4px) rotate(45deg);
	width: 18px;
}
.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(-4px) rotate(-45deg);
	width: 18px;
}
@media (max-width: 864px) {
	.site-header__toggle {
		display: flex;
        z-index: 111;
	}
	.site-header__nav {
		position: fixed;
		inset: 0 0 auto auto;
		width: 100%;
		height: 100vh;
		padding-top: 80px;
		background: radial-gradient(
			circle at top,
			var(--gray-50) 0,
			var(--color-bg) 45%,
			var(--color-bg-secondary) 100%
		);
		transform: translateX(100%);
		opacity: 0;
		visibility: hidden;
		transition:
			transform var(--transition-slow),
			opacity var(--transition-slow),
			visibility var(--transition-slow);
		display: flex;
		justify-content: flex-start;
		align-items: flex-start;
	}
	.site-header__nav-list {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--space-2);
		padding: 0 var(--space-6);
	}
	.site-header__nav-link {
		font-size: var(--font-size-lg);
		padding: 12px 18px;
	}
	.site-header__nav-item--highlight .site-header__nav-link--cta {
		align-self: flex-start;
	}
	.site-header__nav.is-open {
		transform: translateX(0);
		opacity: 1;
		visibility: visible;
	}
	.site-header__nav::before {
		content: "";
		position: absolute;
		top: 0;
		left: 0;
		right: 0;
		height: 72px;
		background: linear-gradient(
			to bottom,
			rgba(246, 249, 255, 1),
			rgba(246, 249, 255, 0)
		);
		pointer-events: none;
	}
}
@media (min-width: 865px) {
	.site-header__nav {
		position: static;
		height: auto;
		transform: none;
		opacity: 1;
		visibility: visible;
	}
	.site-header__nav-list {
		padding: 0;
	}
}