.datajoint-nav {
	position: fixed;
	inset: 0 0 auto 0;
	z-index: 50;
	transition: background-color 200ms ease, border-color 200ms ease;
	background: transparent;
	border-bottom: 1px solid transparent;
}

.datajoint-nav.is-solid {
	background: #fff;
	border-bottom-color: var(--wp--preset--color--border-light, #e2e2e2);
}

.datajoint-nav__bar {
	max-width: 1280px;
	margin: 0 auto;
	height: 72px;
	padding: 0 var(--dj-gutter, 48px);
	display: flex;
	align-items: center;
	justify-content: space-between;
}

/* Logo crossfade */
.datajoint-nav__logo {
	position: relative;
	display: inline-block;
	height: 39px;
	aspect-ratio: 1781 / 558;
}

.datajoint-nav__logo img {
	position: absolute;
	inset: 0;
	height: 100%;
	width: 100%;
	object-fit: contain;
	transition: opacity 200ms ease;
}

.datajoint-nav__logo-dark { opacity: 0; }
.datajoint-nav__logo-white { opacity: 1; }
.datajoint-nav.is-solid .datajoint-nav__logo-dark { opacity: 1; }
.datajoint-nav.is-solid .datajoint-nav__logo-white { opacity: 0; }

/* Desktop menu */
.datajoint-nav__menu {
	display: none;
	align-items: center;
	gap: 1.75rem;
}

@media (min-width: 1024px) {
	.datajoint-nav__menu { display: flex; }
}

.datajoint-nav__item {
	position: relative;
}

.datajoint-nav__link {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	font-family: var(--wp--preset--font-family--sans, "Roboto", sans-serif);
	font-size: 14px;
	font-weight: 700;
	color: #fff;
	transition: opacity 150ms ease;
}

.datajoint-nav.is-solid .datajoint-nav__link { color: var(--wp--preset--color--text-on-light, #011627); }
.datajoint-nav__link:hover { opacity: 0.7; }
.datajoint-nav__chevron { display: inline-block; flex-shrink: 0; }

/* Dropdowns */
.datajoint-nav__dropdown {
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%);
	/* Gap below the link is bridged by transparent padding (see ::before) so the
	   hover state is never lost while moving the cursor into the panel. */
	padding-top: 0.75rem;
	width: 380px;
	opacity: 0;
	visibility: hidden;
	transition: opacity 150ms ease;
}

/* Transparent hover bridge spanning the gap between link and panel. */
.datajoint-nav__dropdown::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 0.75rem;
}

.datajoint-nav__dropdown-panel {
	background: #fff;
	border: 1px solid #e2e2e2;
	border-radius: 8px;
	box-shadow: 0 12px 40px rgba(0, 40, 80, 0.12);
	overflow: hidden;
}

.datajoint-nav__dropdown--narrow {
	width: 280px;
	left: auto;
	right: 0;
	transform: none;
}

.datajoint-nav__dropdown--narrow .datajoint-nav__dropdown-panel {
	padding: 0.5rem 0;
}

.datajoint-nav__item.has-dropdown:hover .datajoint-nav__dropdown,
.datajoint-nav__item.has-dropdown:focus-within .datajoint-nav__dropdown {
	opacity: 1;
	visibility: visible;
}

.datajoint-nav__dd-overview {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 24px;
	font-family: var(--wp--preset--font-family--sans, "Roboto", sans-serif);
	font-weight: 700;
	font-size: 14px;
	color: #011627;
	border-bottom: 1px solid #e2e2e2;
}

.datajoint-nav__dd-overview:hover { color: var(--wp--preset--color--brand-blue, #00a0df); }

.datajoint-nav__dd-item {
	display: block;
	padding: 14px 24px;
	transition: background 150ms ease;
}

.datajoint-nav__dropdown--narrow .datajoint-nav__dd-item { padding: 12px 16px; }
.datajoint-nav__dd-item:hover { background: rgba(0, 160, 223, 0.04); }

.datajoint-nav__dd-item--external {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.datajoint-nav__dd-label {
	display: block;
	font-family: var(--wp--preset--font-family--sans, "Roboto", sans-serif);
	font-weight: 700;
	font-size: 14px;
	color: #011627;
	transition: color 150ms ease;
}

.datajoint-nav__dd-item:hover .datajoint-nav__dd-label { color: var(--wp--preset--color--brand-blue, #00a0df); }

.datajoint-nav__dd-desc {
	display: block;
	margin-top: 4px;
	font-family: var(--wp--preset--font-family--serif, "Roboto Slab", serif);
	font-weight: 300;
	font-size: 12px;
	color: #4a5568;
	line-height: 1.4;
}

.datajoint-nav__dd-sep {
	margin: 8px 16px 12px;
	height: 1px;
	background: #e2e2e2;
}

.datajoint-nav__dd-heading {
	margin: 0;
	padding: 0 16px 4px;
	font-family: var(--wp--preset--font-family--sans, "Roboto", sans-serif);
	font-weight: 700;
	font-size: 10px;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--wp--preset--color--brand-blue, #00a0df);
}

.datajoint-nav__dd-arrow { color: var(--wp--preset--color--brand-blue, #00a0df); flex-shrink: 0; display: inline-flex; }
.datajoint-nav__dd-overview svg { color: var(--wp--preset--color--brand-blue, #00a0df); flex-shrink: 0; }
.datajoint-nav__cta svg { flex-shrink: 0; }

/* CTA */
.datajoint-nav__cta {
	display: none;
	align-items: center;
	gap: 0.5rem;
	background: var(--wp--preset--color--brand-blue, #00a0df);
	color: #fff;
	padding: 0.625rem 1.25rem;
	border-radius: 9999px;
	font-family: var(--wp--preset--font-family--sans, "Roboto", sans-serif);
	font-size: 14px;
	font-weight: 700;
	transition: transform 150ms ease;
}

@media (min-width: 1024px) {
	.datajoint-nav__cta { display: inline-flex; }
}

.datajoint-nav__cta:hover { transform: scale(1.02); }

/* Mobile toggle */
.datajoint-nav__toggle {
	display: inline-flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 28px;
	height: 28px;
	background: none;
	border: 0;
	cursor: pointer;
	padding: 0;
}

@media (min-width: 1024px) {
	.datajoint-nav__toggle { display: none; }
}

.datajoint-nav__toggle-bar {
	display: block;
	height: 2px;
	width: 100%;
	background: #fff;
	transition: background 200ms ease;
}

.datajoint-nav.is-solid .datajoint-nav__toggle-bar { background: var(--wp--preset--color--text-on-light, #011627); }

/* Mobile menu */
.datajoint-nav__mobile {
	background: #fff;
	border-top: 1px solid var(--wp--preset--color--border-light, #e2e2e2);
	padding: 1rem var(--dj-gutter, 48px);
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
}

.datajoint-nav__mobile[hidden] { display: none; }

/* Drill-down panels: only the active one is shown. */
.datajoint-nav__mobile-panel {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
}

.datajoint-nav__mobile-panel[hidden] { display: none; }

.datajoint-nav__mobile-link {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	padding: 0.75rem 0;
	font-family: var(--wp--preset--font-family--sans, "Roboto", sans-serif);
	font-size: 15px;
	font-weight: 700;
	color: var(--wp--preset--color--text-on-light, #011627);
	text-align: left;
}

/* Parent items render as buttons; reset native button chrome. */
.datajoint-nav__mobile-link--parent {
	width: 100%;
	background: none;
	border: 0;
	cursor: pointer;
}

.datajoint-nav__mobile-chevron { color: #4a5568; flex-shrink: 0; }

/* Back button at the top of a sub-panel. */
.datajoint-nav__mobile-back {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	width: 100%;
	padding: 0.75rem 0;
	margin-bottom: 0.25rem;
	background: none;
	border: 0;
	border-bottom: 1px solid var(--wp--preset--color--border-light, #e2e2e2);
	cursor: pointer;
	font-family: var(--wp--preset--font-family--sans, "Roboto", sans-serif);
	font-size: 15px;
	font-weight: 700;
	color: var(--wp--preset--color--brand-blue, #00a0df);
	text-align: left;
}

/* Sub-menu links inside a drilled panel. */
.datajoint-nav__mobile-sublink {
	display: block;
	padding: 0.625rem 0;
}

.datajoint-nav__mobile-sublink.datajoint-nav__dd-item--external {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.datajoint-nav__mobile-cta {
	margin-top: 0.75rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	background: var(--wp--preset--color--brand-blue, #00a0df);
	color: #fff;
	padding: 0.75rem 1.25rem;
	border-radius: 9999px;
	font-family: var(--wp--preset--font-family--sans, "Roboto", sans-serif);
	font-size: 14px;
	font-weight: 700;
}