/**
 * Header: decorative grids, logo, primary nav (inline >= 992px, off-canvas below),
 * dark mode toggle, sticky behaviour.
 * Oracle: template-45.css (#_header-48-45, #-pro-menu-12-45), universal.css
 * (.toggle-dark-mode, .lvl-hover-inner, .top-grid-container), oxygen.css (header rows).
 */

/* ---------- Decorative grid (top in header.php, bottom in footer.php) ---------- */
.lvl-grid {
	position: absolute;
	z-index: -1;
	width: 100%;
	background-color: var(--lvl-color-bg);
	pointer-events: none;
}

.lvl-grid--top {
	top: 0;
	left: 0;
	height: 105vh;
}

.lvl-grid--bottom {
	bottom: 0;
	left: 0;
	height: 200vh;
}

.lvl-grid__image {
	position: absolute;
	z-index: -1;
	display: block;
	width: 100%;
	max-width: none;
	height: auto;
	background-color: var(--lvl-color-bg);
}

.lvl-grid--bottom .lvl-grid__image {
	bottom: 0;
	left: 0;
	transform: rotate(180deg);
}

/* ---------- Header bar ---------- */
.lvl-header {
	position: relative;
	padding-block: 1.625rem 1.62rem;
}

.lvl-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-inline: var(--lvl-container-pad);
}

.lvl-header__logo {
	display: flex;
	flex: none;
	align-items: center;
	color: var(--lvl-color-logo);
	text-decoration: none;
}

.lvl-header__logo:hover {
	color: var(--lvl-color-logo);
}

.lvl-header__logo-svg {
	display: block;
	width: 9.1875rem; /* 147px */
	height: 2.3125rem; /* 37px */
	fill: currentColor;
}

.lvl-header__actions {
	display: flex;
	align-items: center;
	justify-content: flex-end;
}

/* Sticky (>= 992px, after 300px scroll; theme.js toggles the class). */
@media (min-width: 992px) {
	.lvl-header--sticky {
		position: fixed;
		top: 0;
		right: 0;
		left: 0;
		z-index: var(--lvl-z-header);
		background-color: var(--lvl-color-bg);
	}

	.admin-bar .lvl-header--sticky {
		top: 32px;
	}
}

/* ---------- Primary nav, desktop ---------- */
.lvl-nav__list {
	display: flex;
	align-items: center;
	margin: 0;
	padding: 0;
	list-style: none;
}

.lvl-nav__item {
	display: flex;
	flex-direction: column;
	margin-inline: 1.75rem; /* 28px */
	white-space: nowrap;
}

.lvl-nav__link {
	display: inline-flex;
	align-items: center;
	padding-block: var(--lvl-space-xs);
	border-bottom: 1px solid transparent;
	color: var(--lvl-color-text);
	text-decoration: none;
	transition: border-color var(--lvl-duration-menu) ease-in-out, color var(--lvl-duration-menu) ease-in-out;
}

.lvl-nav__link:hover,
.lvl-nav__link:focus-visible,
.lvl-nav__item--current > .lvl-nav__link {
	border-bottom-color: currentColor;
	color: var(--lvl-color-text);
}

.lvl-nav__roll {
	position: relative;
	display: block;
	overflow: hidden;
	line-height: var(--lvl-lh-menu);
}

.lvl-nav__text {
	display: inline-block;
	transition: transform var(--lvl-duration-menu) var(--lvl-ease-menu);
}

.lvl-nav__text--clone {
	position: absolute;
	top: 0;
	left: 0;
	transform: translateY(100%);
}

.lvl-nav__link:hover .lvl-nav__text,
.lvl-nav__link:focus-visible .lvl-nav__text {
	transform: translateY(-100%);
}

.lvl-nav__link:hover .lvl-nav__text--clone,
.lvl-nav__link:focus-visible .lvl-nav__text--clone {
	transform: translateY(0);
}

/* Off-canvas only controls. */
.lvl-header__menu-toggle,
.lvl-nav__close {
	display: none;
	align-items: center;
	padding: 0;
	border: 0;
	background: none;
	color: var(--lvl-color-text);
	font: inherit;
	cursor: pointer;
}

/* ---------- Primary nav, off-canvas (< 992px) ---------- */
@media (max-width: 991px) {
	.lvl-header {
		padding-block: 1rem;
	}

	.lvl-header__menu-toggle {
		display: inline-flex;
		gap: var(--lvl-space-xs);
		padding: 0.9375rem; /* 15px */
	}

	.lvl-header__menu-icon {
		width: 1.875rem;
		height: 1.875rem;
		fill: currentColor;
	}

	.lvl-header__nav {
		position: fixed;
		top: 0;
		right: 0;
		bottom: 0;
		z-index: var(--lvl-z-offcanvas);
		display: flex;
		align-items: center;
		justify-content: center;
		width: 18.75rem; /* 300px */
		max-height: 100vh;
		overflow: auto;
		background-color: var(--lvl-color-bg);
		visibility: hidden;
		opacity: 0;
		transform: translate3d(6.25rem, 0, 0); /* 100px */
		transition: opacity var(--lvl-duration-offcanvas) ease, transform var(--lvl-duration-offcanvas) ease, visibility 0s linear var(--lvl-duration-offcanvas);
	}

	.lvl-header__nav.is-open {
		visibility: visible;
		opacity: 1;
		transform: none;
		transition-delay: 0s;
	}

	.lvl-nav__list {
		flex-direction: column;
		align-items: center;
		justify-content: center;
		margin: auto;
	}

	.lvl-nav__item {
		align-items: flex-start;
		width: 100%;
		min-height: 2rem;
		font-size: var(--lvl-fs-menu-mobile);
	}

	.lvl-nav__close {
		position: absolute;
		top: 1.25rem;
		right: 1.25rem;
		left: 1.25rem;
		display: inline-flex;
	}

	.lvl-nav__close-icon {
		width: 1.5rem;
		height: 1.5rem;
		fill: currentColor;
	}

	.lvl-nav-open {
		overflow: hidden;
	}
}

@media (prefers-reduced-motion: reduce) {
	.lvl-header__nav,
	.lvl-nav__text,
	.lvl-scheme-toggle::before {
		transition: none;
	}
}

/* ---------- Dark mode toggle ---------- */
.lvl-scheme-toggle {
	position: relative;
	display: flex;
	flex: none;
	align-items: center;
	justify-content: center;
	gap: 2rem;
	width: 5rem; /* 80px */
	height: 2.5rem; /* 40px */
	padding: 0;
	border: 1px solid var(--lvl-color-violet);
	border-radius: var(--lvl-radius-toggle);
	background-color: var(--lvl-color-black-brand);
	color: var(--lvl-color-white);
	font-family: var(--lvl-font-light);
	font-size: var(--lvl-fs-base);
	font-weight: var(--lvl-fw-medium);
	line-height: 1;
	cursor: pointer;
	-webkit-user-select: none;
	user-select: none;
}

.lvl-scheme-toggle::before {
	position: absolute;
	left: 0;
	z-index: 0;
	width: 2.25rem;
	height: 2.25rem;
	border-radius: var(--lvl-radius-round);
	background-color: var(--lvl-color-white);
	box-shadow: 0 0 0.25rem 0 var(--lvl-color-violet-glow);
	content: "";
	transition: transform var(--lvl-duration-fast) var(--lvl-ease-out);
}

.lvl-dark .lvl-scheme-toggle::before {
	transform: translate(2.625rem); /* 42px */
}

.lvl-scheme-toggle__label {
	z-index: 1;
	transition: color var(--lvl-duration-fast) ease-out;
}

/* Light: knob under "L". Dark: knob under "D". */
.lvl-scheme-toggle__label--light { color: var(--lvl-color-black-brand); }
.lvl-scheme-toggle__label--dark { color: var(--lvl-color-white); }
.lvl-dark .lvl-scheme-toggle__label--light { color: var(--lvl-color-white); }
.lvl-dark .lvl-scheme-toggle__label--dark { color: var(--lvl-color-black-brand); }