/**
 * Block: main-nav
 * Primary navigation (output by Aqua_Nav_Walker). Submenus are mixed with Bootstrap
 * .dropdown-menu so the Bootstrap dropdown script can toggle them on touch devices.
 */

.main-nav {
	display: flex;
	flex-direction: column;
	margin: 0;
	padding: 0;
	list-style: none;
}

.main-nav__item {
	position: relative;
}

.main-nav__link {
	position: relative;
	display: block;
	padding: 10px 0;
	color: var(--aqua-dark);
	font-size: 16px;
	font-weight: 600;
	text-decoration: none;
	outline: none;
	transition: color 0.3s ease, padding 0.4s ease;
}

.main-nav__link:hover,
.main-nav__link:focus-visible,
.main-nav__link--active {
	color: var(--aqua-primary);
}

.main-nav__caret {
	margin-left: 8px;
	font-size: 0.75em;
	vertical-align: middle;
}

.main-nav__submenu {
	position: static;
	margin: 0;
	padding: 0.5rem 0;
	border: 0;
	border-radius: var(--aqua-radius-sm);
	background: var(--aqua-light);
	list-style: none;
}

.main-nav__sublink {
	display: block;
	padding: 0.5rem 1.25rem;
	color: var(--aqua-dark);
	text-decoration: none;
	transition: background-color 0.3s, color 0.3s;
}

.main-nav__sublink:hover,
.main-nav__sublink:focus-visible,
.main-nav__sublink--active {
	background: var(--aqua-primary);
	color: var(--aqua-white);
}

@media (min-width: 992px) {
	.main-nav {
		flex-direction: row;
		align-items: center;
		gap: 28px;
	}

	.main-nav__link {
		padding: 35px 0;
		color: var(--aqua-white);
		white-space: nowrap;
	}

	.site-header--sticky .main-nav__link {
		padding: 20px 0;
		color: var(--aqua-dark);
	}

	.site-header--sticky .main-nav__link:hover,
	.site-header--sticky .main-nav__link--active {
		color: var(--aqua-primary);
	}

	/* Underline (grows from the middle) + small triangle, both centered under the hovered / active item. */
	.main-nav__item::before,
	.main-nav__item::after {
		content: "";
		position: absolute;
		pointer-events: none;
	}

	.main-nav__item::before {
		bottom: -1px;
		left: 0;
		width: 100%;
		height: 2px;
		background: var(--aqua-primary);
		transform: scaleX(0);
		transition: transform 0.4s var(--aqua-ease);
	}

	.main-nav__item::after {
		bottom: 1px;
		left: 50%;
		margin-left: -8px;
		border: 8px solid transparent;
		border-bottom-color: var(--aqua-primary);
		opacity: 0;
		transform: translateY(6px);
		transition: opacity 0.3s ease, transform 0.4s var(--aqua-ease);
	}

	.site-header--sticky .main-nav__item::before {
		bottom: 0;
	}

	.main-nav__item:hover::before,
	.main-nav__item--active::before {
		transform: scaleX(1);
	}

	.main-nav__item:hover::after,
	.main-nav__item--active::after {
		opacity: 1;
		transform: translateY(0);
	}

	/* Desktop: submenu fades in on hover. Its text lines up with the parent link
	   ([data-bs-popper] is added by Bootstrap after a click and would reset the position). */
	.main-nav__submenu,
	.main-nav__submenu[data-bs-popper] {
		position: absolute;
		top: 100%;
		left: -1.25rem;
		display: block;
		min-width: 12rem;
		margin-top: 0;
		box-shadow: var(--aqua-shadow);
		opacity: 0;
		visibility: hidden;
		transform: translateY(12px);
		transition: opacity 0.3s ease, transform 0.35s var(--aqua-ease), visibility 0.3s;
	}

	.main-nav__item--dropdown:hover .main-nav__submenu,
	.main-nav__submenu.show {
		opacity: 1;
		visibility: visible;
		transform: translateY(0);
	}
}