/* Mega menu panel — theme CSS variables (content height, not fullscreen) */

.mega-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: auto;
	max-height: min(80vh, 100%);
	background-color: var(--arb-bg);
	color: var(--arb-text);
	font-family: var(--arb-font);
	z-index: 900;
	display: flex;
	flex-direction: column;
    padding: 10.5rem var(--arb-gutter) 2.5rem;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	overflow: auto;
	will-change: opacity, transform;
	box-shadow: 0 24px 48px color-mix(in srgb, var(--arb-bg) 35%, transparent);
}

.mega-overlay.is-active {
	pointer-events: auto;
}

.mega-overlay__inner {
	display: flex;
	flex-direction: column;
	gap: 2.5rem;
	width: 100%;
	will-change: transform, opacity;
}

.mega-panel[hidden] {
	display: none !important;
}

.mega-panel:not([hidden]) {
	display: block;
}

.mega-overlay__grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 2.5rem 3rem;
	align-items: start;
}

.mega-overlay__col {
	display: flex;
	flex-direction: column;
}

.mega-overlay__col-title {
	font-size: 1.15rem;
	font-weight: 600;
	color: var(--arb-text);
	margin-bottom: 1.25rem;
	display: flex;
	align-items: center;
	gap: 0.3rem;
	will-change: transform, opacity;
}

.mega-overlay__links {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.mega-overlay__links li {
	will-change: transform, opacity;
}

.mega-overlay__links a {
	font-size: 1.15rem;
	font-weight: 400;
	color: var(--arb-text);
	text-decoration: none;
	line-height: 1.4;
	display: inline-block;
	transition:
		opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
		color 0.45s ease;
}

.mega-overlay__links a:hover,
.mega-overlay__links a:focus-visible {
	opacity: 0.65;
	transform: translateX(8px);
}

.mega-overlay__footer {
	display: flex;
	justify-content: flex-start;
	align-items: center;
	padding-top: 1.75rem;
	border-top: 1px solid color-mix(in srgb, var(--arb-text) 8%, transparent);
	flex-shrink: 0;
}

.mega-overlay__socials {
	display: flex;
	flex-wrap: wrap;
	gap: 2rem;
	will-change: transform, opacity;
}

.mega-overlay__socials a {
	color: var(--arb-text);
	text-decoration: none;
	font-size: 0.95rem;
	font-weight: 500;
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	transition:
		opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.mega-overlay__socials a:hover,
.mega-overlay__socials a:focus-visible {
	opacity: 0.65;
	transform: translateY(-3px);
}

/* Trigger chevron + hover dim — header chrome unchanged */
.header .nav-link {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
}

.header .nav-link__chevron {
	display: inline-block;
	width: 0.45rem;
	height: 0.45rem;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: rotate(45deg) translateY(-1px);
	transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
	opacity: 0.85;
	flex-shrink: 0;
}

.header .has-megamenu.is-mega-active .nav-link__chevron {
	transform: rotate(225deg) translateY(-1px);
}

.header .nav-menu__list.is-mega-hover .nav-link {
	opacity: 0.4;
	transition: opacity 0.4s ease;
}

.header .nav-menu__list.is-mega-hover .has-megamenu.is-mega-active .nav-link,
.header .nav-menu__list.is-mega-hover .nav-link:hover,
.header .nav-menu__list.is-mega-hover .nav-link:focus-visible {
	opacity: 1;
}

/* Mega open + transparent header → white nav */
body.is-megamenu-open .header:not(.is-sticky) .nav-link,
body.is-megamenu-open .header:not(.is-sticky) .nav-link:hover,
body.is-megamenu-open .header:not(.is-sticky) .nav-link:focus-visible,
body.is-megamenu-open .header:not(.is-sticky) .has-megamenu.is-mega-active .nav-link {
	color: var(--arb-text) !important;
}

/* Mega open + sticky header → blue/dark nav on light bar */
body.is-megamenu-open .header.is-sticky .nav-link,
body.is-megamenu-open .header.is-sticky .nav-link:hover,
body.is-megamenu-open .header.is-sticky .nav-link:focus-visible,
body.is-megamenu-open .header.is-sticky .has-megamenu.is-mega-active .nav-link {
	color: var(--arb-bg) !important;
}

@media (max-width: 1100px) {
	.mega-overlay__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 2rem;
	}
}

@media (max-width: 868px) {
	.mega-overlay {
		display: none;
	}
}