/* Header-specific styles for Ekaterina Hil - HilJuris */

.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	backdrop-filter: blur(20px);
	background: linear-gradient(
		90deg,
		rgba(10, 14, 20, 0.96),
		rgba(21, 26, 31, 0.94)
	);
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 72px;
}

/* Branding */
.site-branding {
	display: flex;
	align-items: center;
}

.site-logo-link {
	display: inline-flex;
	align-items: center;
	gap: var(--space-3);
	color: var(--color-text-primary);
}

.site-logo-mark {
	width: 38px;
	height: 38px;
	border-radius: var(--radius-full);
	background:
		radial-gradient(circle at 0 0, rgba(122, 92, 255, 0.55), transparent 55%),
		linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-family: var(--font-heading);
	font-weight: 700;
	font-size: 0.9rem;
	color: #0b0b0f;
	box-shadow: var(--shadow-soft), var(--shadow-glow-amber);
}

.site-logo-text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
}

.site-logo-title {
	font-family: var(--font-heading);
	font-size: 1.05rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.site-logo-tagline {
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 0.16em;
	color: var(--color-text-muted);
}

/* Navigation */
.site-nav {
	display: flex;
	align-items: center;
}

.nav-links-wrapper {
	display: flex;
	align-items: center;
	gap: var(--space-4);
}

.nav-links {
	display: flex;
	align-items: center;
	gap: var(--space-4);
	font-size: var(--font-size-sm);
}

.nav-link {
	position: relative;
	padding-block: 0.25rem;
	color: var(--color-text-muted);
	transition: color var(--transition-base);
}

.nav-link::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -4px;
	width: 0;
	height: 2px;
	border-radius: 999px;
	background: linear-gradient(
		90deg,
		var(--color-accent-violet),
		var(--color-accent-cyan)
	);
	transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link:focus-visible {
	color: var(--color-text-primary);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.nav-link--active::after {
	width: 100%;
}

.nav-link.nav-link--active {
	color: var(--color-text-primary);
}

.nav-cta-btn {
	font-size: 0.75rem;
	padding-inline: 1.4rem;
}

/* Mobile navigation */
.nav-toggle {
	display: none;
	position: relative;
	width: 40px;
	height: 40px;
	border-radius: var(--radius-full);
	border: 1px solid rgba(255, 255, 255, 0.16);
	background: rgba(10, 14, 20, 0.85);
	align-items: center;
	justify-content: center;
	cursor: pointer;
	padding: 0;
}

.nav-toggle:focus-visible {
	outline: 2px solid var(--color-accent-cyan);
	outline-offset: 2px;
}

.nav-toggle-bar {
	width: 18px;
	height: 2px;
	border-radius: 999px;
	background-color: var(--color-neutral-200);
	display: block;
	transition:
		transform var(--transition-base),
		opacity var(--transition-base),
		translate var(--transition-base);
}

.nav-toggle-bar + .nav-toggle-bar {
	margin-top: 4px;
}

/* Toggle animation */
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
	transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
	opacity: 0;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
	transform: translateY(-6px) rotate(-45deg);
}

/* Desktop first */
@media (max-width: 900px) {
	.nav-toggle {
		display: inline-flex;
		flex-direction: column;
	}

	.nav-links-wrapper {
		position: fixed;
		inset-inline: 0;
		top: 72px;
		background:
			radial-gradient(circle at top, rgba(122, 92, 255, 0.35), transparent 65%),
			rgba(10, 14, 20, 0.98);
		border-top: 1px solid rgba(255, 255, 255, 0.06);
		box-shadow: var(--shadow-strong);
		flex-direction: column;
		align-items: flex-start;
		padding: var(--space-4) var(--space-4) var(--space-8);
		gap: var(--space-4);
		transform: translateY(-120%);
		opacity: 0;
		visibility: hidden;
		transition:
			transform var(--transition-base),
			opacity var(--transition-base),
			visibility var(--transition-base);
	}

	.nav-links-wrapper.is-open {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}

	.nav-links {
		flex-direction: column;
		align-items: flex-start;
		width: 100%;
		gap: var(--space-3);
	}

	.nav-link {
		font-size: var(--font-size-md);
	}

	.nav-cta {
		width: 100%;
		display: flex;
		justify-content: flex-start;
		margin-top: var(--space-2);
	}

	.nav-cta-btn {
		width: auto;
	}
}

@media (max-width: 600px) {
	.site-header-inner {
		height: 64px;
	}

	.nav-links-wrapper {
		top: 64px;
	}

	.site-logo-title {
		font-size: 0.95rem;
	}

	.site-logo-tagline {
		display: none;
	}
}