.mv-header {
	position: sticky;
	top: 0;
	z-index: 40;
	backdrop-filter: blur(18px);
}
.mv-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-4);
	height: var(--nav-height);
}
.mv-header__brand {
	display: flex;
	align-items: center;
	min-width: 0;
}
.mv-header__logo-link {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	color: var(--color-text);
}
.mv-header__logo-mark {
	width: 40px;
	height: 40px;
	border-radius: 10px;
	background: radial-gradient(
		circle at 30% 0,
		#ff6b81 0,
		#a96cff 45%,
		#8bc5ff 100%
	);
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 0 18px rgba(169, 108, 255, 0.75);
}
.mv-header__logo-glyph {
	font-family: var(--font-mono);
	font-weight: 700;
	font-size: 1.2rem;
	color: #05060b;
	text-shadow: 0 1px 0 rgba(0, 0, 0, 0.7);
}
.mv-header__logo-text {
	display: flex;
	flex-direction: column;
	gap: 2px;
	min-width: 0;
}
.mv-header__site-title {
	font-family: var(--font-display);
	font-size: var(--text-base);
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--color-heading);
	white-space: nowrap;
}
.mv-header__site-tagline {
	font-size: var(--text-xs);
	color: var(--color-muted);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.mv-header__nav {
	display: flex;
	align-items: center;
	gap: var(--space-4);
}
.mv-header__nav-list {
	display: flex;
	align-items: center;
	gap: var(--space-4);
}
.mv-header__nav-link {
	position: relative;
	font-size: var(--text-sm);
	color: var(--color-muted);
	text-transform: uppercase;
	letter-spacing: 0.14em;
	padding: 6px 0;
}
.mv-header__nav-link::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: -4px;
	height: 2px;
	border-radius: 999px;
	background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
	transform-origin: center;
	transform: scaleX(0);
	transition:
		transform var(--transition-base),
		opacity var(--transition-base);
	opacity: 0;
}
.mv-header__nav-link:focus-visible,
.mv-header__nav-link:hover {
	color: var(--color-heading);
}
.mv-header__nav-link:hover::after,
.mv-header__nav-link:focus-visible::after {
	transform: scaleX(1);
	opacity: 1;
}
.mv-header__cta-wrap {
	margin-left: var(--space-4);
}
.mv-header__cta {
	font-size: var(--text-xs);
}
.mv-header__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 4px;
	border-radius: var(--radius-pill);
	border: 1px solid var(--color-border);
	background: rgba(10, 12, 18, 0.95);
	padding: 8px 10px;
	box-shadow: var(--shadow-xs);
}
.mv-header__toggle-bar {
	width: 18px;
	height: 2px;
	border-radius: 999px;
	background: var(--color-heading);
	transition:
		transform var(--transition-fast),
		opacity var(--transition-fast),
		background var(--transition-fast);
}
.mv-header__toggle:focus-visible {
	box-shadow: var(--focus-ring);
}
.mv-header--menu-open .mv-header__toggle-bar:nth-child(1) {
	transform: translateY(3px) rotate(45deg);
}
.mv-header--menu-open .mv-header__toggle-bar:nth-child(2) {
	transform: translateY(-3px) rotate(-45deg);
}
.mv-header--menu-open .mv-header__toggle-bar {
	background: var(--color-primary);
}
@media (max-width: 960px) {
	.mv-header__nav {
		position: fixed;
width: 100%;		top: var(--nav-height);
		background: linear-gradient(
			180deg,
			rgba(10, 12, 18, 0.98),
			rgba(7, 8, 14, 0.98)
		);
		border-top: 1px solid rgba(50, 56, 71, 0.9);
		box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.8);
		flex-direction: column;
		align-items: flex-start;
		padding: var(--space-5) var(--container-padding-x);
		gap: var(--space-4);
		max-height: 0;
		overflow: hidden;
		opacity: 0;
		pointer-events: none;
		transition:
			max-height var(--transition-slow),
			opacity var(--transition-base);
	}
	.mv-header__nav-list {
		flex-direction: column;
		align-items: flex-start;
		width: 100%;
		gap: var(--space-3);
	}
	.mv-header__nav-link {
		width: 100%;
	}
	.mv-header__cta-wrap {
		width: 100%;
		margin-left: 0;
	}
	.mv-header__cta {
		width: 100%;
		justify-content: center;
	}
	.mv-header__toggle {
		display: inline-flex;
	}
	.mv-header--menu-open .mv-header__nav {
		max-height: 420px;
		opacity: 1;
		pointer-events: auto;
	}
}
@media (max-width: 640px) {
	.mv-header__site-tagline {
		display: none;
	}
}