/* Header component for ERL Adrian Izychard */

.vah-header {
	position: sticky;
	top: 0;
	z-index: 40;
	backdrop-filter: blur(18px);
	background: linear-gradient(
		to bottom,
		rgba(7, 10, 15, 0.96),
		rgba(7, 10, 15, 0.92)
	);
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.vah-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-block: var(--space-10);
}

/* Brand */
.vah-header__brand {
	display: flex;
	align-items: center;
}

.vah-header__logo-link {
	display: inline-flex;
	align-items: center;
	gap: var(--space-8);
	color: var(--color-text);
}

.vah-header__logo-mark {
	width: 34px;
	height: 34px;
	border-radius: 50%;
	background: conic-gradient(
		from 210deg,
		rgba(211, 162, 79, 0.2),
		rgba(15, 59, 43, 0.7),
		rgba(7, 10, 15, 1)
	);
	box-shadow:
		0 0 0 1px rgba(255, 255, 255, 0.18),
		0 10px 30px rgba(0, 0, 0, 0.7);
	position: relative;
}

.vah-header__logo-mark::after {
	content: "VA";
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--font-display);
	font-size: 0.8rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: #f7f0e3;
}

.vah-header__logo-text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
}

.vah-header__logo-title {
	font-family: var(--font-display);
	font-size: 1.1rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.vah-header__logo-subtitle {
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 0.16em;
	color: var(--color-text-muted);
}

/* Toggle */
.vah-header__toggle {
	display: inline-flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 40px;
	height: 40px;
	gap: 5px;
	border-radius: var(--radius-full);
	border: 1px solid rgba(211, 162, 79, 0.6);
	background: rgba(7, 10, 15, 0.9);
	cursor: pointer;
	color: var(--color-text);
}

.vah-header__toggle-bar {
	width: 18px;
	height: 2px;
	border-radius: 999px;
	background-color: var(--color-text);
	transition:
		transform var(--transition-base),
		opacity var(--transition-base);
}

/* Navigation */
.vah-header__nav {
	position: fixed;
	inset-inline: 0;
	top: 64px;
	background:
		radial-gradient(
			circle at top left,
			rgba(211, 162, 79, 0.14),
			transparent 60%
		),
		radial-gradient(
			circle at bottom right,
			rgba(15, 59, 43, 0.3),
			transparent 60%
		),
		rgba(7, 10, 15, 0.99);
	transform: translateY(-110%);
	opacity: 0;
	visibility: hidden;
	transition:
		opacity var(--transition-base),
		transform var(--transition-base),
		visibility var(--transition-base);
}

.vah-header__nav-list {
	display: flex;
	flex-direction: column;
	gap: var(--space-4);
	padding: var(--space-12) var(--space-16) var(--space-16);
}

.vah-header__nav-item--cta {
	margin-top: var(--space-8);
}

.vah-header__nav-link,
.vah-header__nav-link--button {
	display: inline-flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 0.5rem 0.2rem;
	font-size: var(--font-size-sm);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-text-muted);
}

.vah-header__nav-link:hover,
.vah-header__nav-link:focus-visible,
.vah-header__nav-link--button:hover,
.vah-header__nav-link--button:focus-visible {
	color: var(--color-text);
}

.vah-header__nav-link--button {
	border: none;
	background: none;
	cursor: pointer;
}

.vah-header__nav-link--cta {
	justify-content: center;
	padding-inline: 1.3rem;
	padding-block: 0.6rem;
	border-radius: var(--radius-full);
	background: linear-gradient(135deg, var(--color-primary), #f1cb76);
	color: #1a1207 !important;
	font-weight: 600;
	box-shadow: var(--shadow-soft);
}

.vah-header__nav-link--cta:hover,
.vah-header__nav-link--cta:focus-visible {
	box-shadow: var(--shadow-strong);
}

/* Submenu */
.vah-header__nav-item--has-sub {
	position: relative;
}

.vah-header__submenu {
	display: none;
	flex-direction: column;
	margin-top: var(--space-4);
	padding-left: var(--space-8);
	gap: var(--space-2);
}

.vah-header__submenu-link {
	display: block;
	padding-block: 0.25rem;
	font-size: var(--font-size-xs);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-text-muted);
}

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

.vah-header__nav-caret {
	margin-left: var(--space-4);
	font-size: 0.7rem;
}

/* Open states controlled by JS */
.vah-header--menu-open .vah-header__nav {
	transform: translateY(0);
	opacity: 1;
	visibility: visible;
}

.vah-header--menu-open .vah-header__toggle-bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.vah-header--menu-open .vah-header__toggle-bar:nth-child(2) {
	opacity: 0;
}

.vah-header--menu-open .vah-header__toggle-bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

.vah-header__nav-item--sub-open > .vah-header__submenu {
	display: flex;
}

/* Desktop layout */
@media (min-width: 960px) {
	.vah-header__inner {
		padding-block: var(--space-8);
	}

	.vah-header__toggle {
		display: none;
	}

	.vah-header__nav {
		position: static;
		transform: none !important;
		opacity: 1 !important;
		visibility: visible !important;
		background: none;
	}

	.vah-header__nav-list {
		flex-direction: row;
		align-items: center;
		gap: var(--space-16);
		padding: 0;
	}

	.vah-header__nav-link,
	.vah-header__nav-link--button {
		width: auto;
		padding: 0.25rem 0;
	}

	.vah-header__nav-item--cta {
		margin-top: 0;
		margin-left: var(--space-12);
	}

	.vah-header__nav-item--has-sub:hover > .vah-header__submenu,
	.vah-header__nav-item--has-sub:focus-within > .vah-header__submenu {
		display: flex;
	}

	.vah-header__nav-item--has-sub {
		padding-block: var(--space-8);
	}

	.vah-header__submenu {
		position: absolute;
		top: 100%;
		left: 0;
		margin-top: var(--space-4);
		padding: var(--space-8) var(--space-12);
		background:
			radial-gradient(
				circle at top left,
				rgba(211, 162, 79, 0.14),
				transparent 60%
			),
			var(--color-surface);
		border-radius: var(--radius-md);
		border: 1px solid rgba(255, 255, 255, 0.08);
		box-shadow: var(--shadow-soft);
		min-width: 220px;
	}

	.vah-header__submenu-link {
		white-space: nowrap;
	}
}

@media (max-width: 480px) {
	.vah-header__logo-subtitle {
		display: none;
	}
}