/* ==========================================================================
   uos — Mega Menu
   Editorial light — paper, ink, hairlines. Violet in 5% accents.
   Inspired by Linear / Vercel / Stripe / Cursor.
   ========================================================================== */

/* Header wrapper — fully transparent over the page background so the
   editorial type stays consistent across the site. */
.uos-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(250, 250, 247, 0.85);
	-webkit-backdrop-filter: saturate(180%) blur(12px);
	backdrop-filter: saturate(180%) blur(12px);
	border-bottom: 1px solid var(--uos-line, #e4e4e0);
}

/* Nav bar. */
.uos-nav {
	display: flex;
	align-items: center;
	gap: var(--uos-s-6, 1.5rem);
	padding: 18px 32px;
	max-width: 1440px;
	margin: 0 auto;
}

.uos-nav__logo {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--uos-ink, #0a0a0a);
	font-family: var(--uos-font-display, "IBM Plex Sans", sans-serif);
	font-weight: 600;
	font-size: 0.9375rem;
	letter-spacing: var(--uos-tracking-tight, -0.015em);
	text-decoration: none;
}
.uos-nav__logo img { display: block; }
.uos-nav__logo span { line-height: 1; }

/* Menu container. */
.uos-nav__menu {
	flex: 1 1 auto;
	display: flex;
	justify-content: center;
}

.uos-nav__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 4px;
	align-items: center;
}
.uos-nav__list--fallback { gap: 2px; }

.uos-nav__list > .menu-item > a {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 12px;
	color: var(--uos-ink-soft, #3f3f46);
	font-family: var(--uos-font-display, "IBM Plex Sans", sans-serif);
	font-weight: 500;
	font-size: 0.875rem;
	letter-spacing: var(--uos-tracking-tight, -0.015em);
	text-decoration: none;
	border-radius: var(--uos-r-md, 6px);
	transition: color var(--uos-dur-fast, 160ms) var(--uos-ease-out, ease),
		background var(--uos-dur-fast, 160ms) var(--uos-ease-out, ease);
}
.uos-nav__list > .menu-item > a:hover,
.uos-nav__list > .menu-item > a:focus-visible {
	color: var(--uos-violet, #5b21b6);
	background: var(--uos-violet-tint, #ede9fe);
	outline: none;
}
.uos-nav__list > .menu-item > a[data-megamenu]::after {
	content: "";
	display: inline-block;
	width: 10px;
	height: 10px;
	margin-left: 2px;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: center;
	background-size: 10px 10px;
	opacity: 0.55;
	transition: transform var(--uos-dur, 280ms) var(--uos-ease-out, ease),
		opacity var(--uos-dur-fast, 160ms) ease;
}
.uos-nav__list > .menu-item > a:hover[data-megamenu]::after,
.uos-nav__list > .menu-item > a[aria-expanded="true"][data-megamenu]::after {
	transform: rotate(180deg);
	opacity: 1;
}

.uos-nav__list > .menu-item--active > a,
.uos-nav__list > .current-menu-item > a {
	color: var(--uos-ink, #0a0a0a);
}

/* Lucide icon inserted via PHP — light, neutral, turns violet on hover. */
.uos-nav__list > .menu-item > a > .lucide-icon,
.uos-nav__list > .menu-item > a > svg {
	flex-shrink: 0;
	opacity: 0.6;
	color: var(--uos-ink-soft, #3f3f46);
	transition: opacity var(--uos-dur-fast, 160ms) ease,
		color var(--uos-dur-fast, 160ms) ease;
}
.uos-nav__list > .menu-item > a:hover > .lucide-icon,
.uos-nav__list > .menu-item > a:hover > svg,
.uos-nav__list > .menu-item > a:focus-visible > .lucide-icon,
.uos-nav__list > .menu-item > a:focus-visible > svg {
	opacity: 1;
	color: var(--uos-violet, #5b21b6);
}

/* CTA group — primary invite button + secondary sign-in link. */
.uos-nav__actions {
	display: inline-flex;
	align-items: center;
	gap: 14px;
	flex-shrink: 0;
}
.uos-nav__cta { flex-shrink: 0; }

/* Secondary "Sign in" link — subtle, sits to the right of the primary CTA. */
.uos-nav__signin {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: 14px;
	font-weight: 500;
	color: var(--uos-ink, #0a0a0a);
	text-decoration: none;
	opacity: 0.75;
	transition: opacity 0.15s ease, color 0.15s ease;
	white-space: nowrap;
}
.uos-nav__signin:hover,
.uos-nav__signin:focus-visible {
	opacity: 1;
	color: var(--uos-violet, #5b21b6);
	outline: none;
}
.uos-nav__signin svg { opacity: 0.6; }
.uos-nav__signin:hover svg { opacity: 1; }

/* Hero "already invited?" signin link — same styling, slightly muted colour. */
.uos-hero__signin {
	font-size: 13px;
	opacity: 0.7;
}

/* Mobile toggle. */
.uos-nav__toggle {
	display: none;
	width: 40px;
	height: 40px;
	border: 1px solid var(--uos-line, #e4e4e0);
	background: transparent;
	color: var(--uos-ink, #0a0a0a);
	border-radius: var(--uos-r-md, 6px);
	cursor: pointer;
	align-items: center;
	justify-content: center;
	padding: 0;
}
.uos-nav__toggle .uos-nav__toggle-close { display: none; }
.uos-nav__toggle[aria-expanded="true"] .uos-nav__toggle-open { display: none; }
.uos-nav__toggle[aria-expanded="true"] .uos-nav__toggle-close { display: block; }

/* ==========================================================================
   Mega menu panel stack — luminous, generous, premium.
   ========================================================================== */

.uos-megamenu-stack {
	position: relative;
}

.uos-megamenu {
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	background: linear-gradient(180deg,
		#fbfaff 0%,
		#ffffff 18%,
		#ffffff 100%);
	border-top: 1px solid var(--uos-line, #e4e4e0);
	border-bottom: 1px solid var(--uos-line, #e4e4e0);
	box-shadow:
		0 1px 0 rgba(91, 33, 182, 0.08),
		0 4px 8px rgba(10, 10, 10, 0.04),
		0 32px 80px -12px rgba(91, 33, 182, 0.28),
		0 16px 32px -8px rgba(10, 10, 10, 0.10);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-6px);
	pointer-events: none;
	transition: opacity var(--uos-dur, 280ms) var(--uos-ease-out, ease),
		transform var(--uos-dur, 280ms) var(--uos-ease-out, ease),
		visibility 0s linear var(--uos-dur, 280ms);
	z-index: -1;
}
/* Top edge accent — a soft violet light bar above the panel. */
.uos-megamenu::before {
	content: "";
	position: absolute;
	top: -1px;
	left: 0;
	right: 0;
	height: 2px;
	background: linear-gradient(90deg,
		transparent 0%,
		rgba(91, 33, 182, 0.15) 20%,
		rgba(91, 33, 182, 0.4) 50%,
		rgba(91, 33, 182, 0.15) 80%,
		transparent 100%);
	pointer-events: none;
}
.uos-megamenu[data-open="true"] {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	pointer-events: auto;
	transition: opacity var(--uos-dur, 280ms) var(--uos-ease-out, ease),
		transform var(--uos-dur, 280ms) var(--uos-ease-out, ease),
		visibility 0s linear 0s;
	z-index: 40;
}

.uos-megamenu .uos-container {
	padding-block: 48px 40px;
	position: relative;
}
/* Subtle violet bloom above the head — pure decoration, very subtle. */
.uos-megamenu .uos-container::before {
	content: "";
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 60%;
	height: 1px;
	background: linear-gradient(90deg,
		transparent 0%,
		rgba(91, 33, 182, 0.25) 50%,
		transparent 100%);
	pointer-events: none;
}

/* Panel head — kicker + tagline, breathing room. */
.uos-megamenu__head {
	display: flex;
	align-items: center;
	gap: 14px;
	padding-bottom: 24px;
	border-bottom: 1px solid var(--uos-line, #e4e4e0);
	margin-bottom: 0;
	position: relative;
}
.uos-megamenu__head-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: var(--uos-r-md, 6px);
	background: linear-gradient(135deg, #f3eefe 0%, #d9c8f8 100%);
	color: var(--uos-violet, #5b21b6);
	box-shadow:
		inset 0 0 0 1px rgba(91, 33, 182, 0.15),
		0 4px 16px -2px rgba(91, 33, 182, 0.4),
		0 0 0 4px rgba(91, 33, 182, 0.06),
		0 0 24px -4px rgba(91, 33, 182, 0.3);
}
.uos-megamenu__head-kicker {
	font-family: var(--uos-font-mono, "IBM Plex Mono", monospace);
	font-size: 0.6875rem;
	font-weight: 500;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--uos-ink-tertiary, #71717a);
	margin-bottom: 4px;
}
.uos-megamenu__head-tagline {
	font-family: var(--uos-font-display, "IBM Plex Sans", sans-serif);
	font-size: 1.125rem;
	font-weight: 600;
	color: var(--uos-ink, #0a0a0a);
	letter-spacing: var(--uos-tracking-tight, -0.015em);
	line-height: 1.3;
}

/* Grid — very subtle hairline, generous padding. */
.uos-megamenu__grid {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	border-top: 1px solid var(--uos-line, #e4e4e0);
}
.uos-megamenu__grid--2-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.uos-megamenu__grid--3-col { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.uos-megamenu__grid--4-col { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.uos-megamenu__grid > li {
	border-right: 1px solid var(--uos-line, #e4e4e0);
	border-bottom: 1px solid var(--uos-line, #e4e4e0);
	position: relative;
}
.uos-megamenu__grid > li:last-child { border-right: 0; }

/* The item itself — generous padding, icon left + body right. */
.uos-megamenu__item {
	display: flex;
	align-items: flex-start;
	gap: 14px;
	padding: 22px 24px;
	min-height: 92px;
	color: var(--uos-ink, #0a0a0a);
	text-decoration: none;
	transition: background var(--uos-dur-fast, 160ms) ease;
	position: relative;
	overflow: hidden;
}
.uos-megamenu__item::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 2px;
	background: var(--uos-violet, #5b21b6);
	transform: scaleY(0);
	transform-origin: center;
	transition: transform var(--uos-dur, 280ms) var(--uos-ease-out, ease);
}
.uos-megamenu__item:hover,
.uos-megamenu__item:focus-visible {
	background: linear-gradient(90deg,
		rgba(237, 233, 254, 0.6) 0%,
		rgba(237, 233, 254, 0.95) 100%);
	outline: none;
}
.uos-megamenu__item:hover::before,
.uos-megamenu__item:focus-visible::before {
	transform: scaleY(1);
	box-shadow: 0 0 12px rgba(91, 33, 182, 0.5);
}
.uos-megamenu__item:hover .uos-megamenu__item-icon,
.uos-megamenu__item:focus-visible .uos-megamenu__item-icon {
	color: var(--uos-violet, #5b21b6);
	background: #ffffff;
	box-shadow:
		0 0 0 1px rgba(91, 33, 182, 0.2),
		0 8px 20px -4px rgba(91, 33, 182, 0.4),
		0 0 24px -4px rgba(91, 33, 182, 0.25);
	transform: scale(1.06);
}
.uos-megamenu__item:hover .uos-megamenu__item-label,
.uos-megamenu__item:focus-visible .uos-megamenu__item-label {
	color: var(--uos-violet, #5b21b6);
}
.uos-megamenu__item:hover .uos-megamenu__item-arrow,
.uos-megamenu__item:focus-visible .uos-megamenu__item-arrow {
	opacity: 1;
	transform: translateX(0);
	color: var(--uos-violet, #5b21b6);
}

.uos-megamenu__item-icon {
	flex-shrink: 0;
	width: 40px;
	height: 40px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: var(--uos-r-md, 6px);
	background: linear-gradient(135deg, #fafafa 0%, #f0eff5 100%);
	color: var(--uos-ink-soft, #3f3f46);
	box-shadow: inset 0 0 0 1px rgba(10, 10, 10, 0.04);
	transition: color var(--uos-dur-fast, 160ms) ease,
		background var(--uos-dur-fast, 160ms) ease,
		transform var(--uos-dur, 280ms) var(--uos-ease-out, ease),
		box-shadow var(--uos-dur-fast, 160ms) ease;
}

.uos-megamenu__item-body {
	display: flex;
	flex-direction: column;
	gap: 4px;
	min-width: 0;
	flex: 1 1 auto;
}

.uos-megamenu__item-label {
	font-family: var(--uos-font-display, "IBM Plex Sans", sans-serif);
	font-weight: 600;
	font-size: 0.9375rem;
	letter-spacing: var(--uos-tracking-tight, -0.015em);
	color: var(--uos-ink, #0a0a0a);
	transition: color var(--uos-dur-fast, 160ms) ease;
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.uos-megamenu__item-arrow {
	opacity: 0;
	transform: translateX(-4px);
	transition: opacity var(--uos-dur-fast, 160ms) ease,
		transform var(--uos-dur-fast, 160ms) ease,
		color var(--uos-dur-fast, 160ms) ease;
	color: var(--uos-ink-tertiary, #71717a);
	flex-shrink: 0;
}

.uos-megamenu__item-desc {
	font-size: 0.8125rem;
	line-height: 1.5;
	color: var(--uos-ink-soft, #3f3f46);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.uos-megamenu__footer {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin-top: 24px;
	padding: 10px 16px;
	border: 1px solid var(--uos-line-strong, #d4d4d0);
	border-radius: var(--uos-r-md, 6px);
	color: var(--uos-ink, #0a0a0a);
	background: var(--uos-surface, #ffffff);
	font-family: var(--uos-font-display, "IBM Plex Sans", sans-serif);
	font-weight: 500;
	font-size: 0.8125rem;
	text-decoration: none;
	transition: border-color var(--uos-dur-fast, 160ms) ease,
		color var(--uos-dur-fast, 160ms) ease,
		background var(--uos-dur-fast, 160ms) ease,
		transform var(--uos-dur-fast, 160ms) ease;
}
.uos-megamenu__footer:hover,
.uos-megamenu__footer:focus-visible {
	color: var(--uos-violet, #5b21b6);
	border-color: var(--uos-violet, #5b21b6);
	background: var(--uos-violet-tint, #ede9fe);
	transform: translateY(-1px);
	outline: none;
}

/* ==========================================================================
   Mobile (< 900px) — drawer, accordion inline panels
   ========================================================================== */

@media (max-width: 900px) {

	.uos-nav { padding: 14px 16px; }

	.uos-nav__toggle { display: inline-flex; order: 4; }
	.uos-nav__actions { order: 3; gap: 8px; }
	.uos-nav__signin { display: none; }
	.uos-nav__cta {
		padding: 8px 14px;
		font-size: 13px;
	}
	.uos-nav__logo { flex: 1 1 auto; }

	.uos-nav__menu {
		position: fixed;
		inset: 64px 0 0 0;
		background: var(--uos-surface, #ffffff);
		padding: 16px;
		overflow-y: auto;
		display: none;
		z-index: 45;
		border-top: 1px solid var(--uos-line, #e4e4e0);
	}
	.uos-nav[data-mobile-open="true"] .uos-nav__menu { display: block; }

	.uos-nav__list {
		flex-direction: column;
		align-items: stretch;
		gap: 4px;
	}
	.uos-nav__list > .menu-item > a {
		padding: 14px 16px;
		font-size: 1rem;
		justify-content: space-between;
		width: 100%;
	}

	.uos-megamenu-stack { display: none; }

	/* Mobile native sub-menus (depth 1) — render the standard WP sub-menu
	   and style as an accordion under each parent. */
	.uos-nav__list .sub-menu {
		list-style: none;
		margin: 4px 0 8px 0;
		padding: 0 0 0 12px;
		border-left: 1px solid var(--uos-line, #e4e4e0);
	}
	.uos-nav__list .sub-menu li a {
		display: flex;
		gap: 10px;
		padding: 10px 12px;
		color: var(--uos-ink-soft, #3f3f46);
		font-size: 0.875rem;
		text-decoration: none;
		border-radius: var(--uos-r-sm, 4px);
	}
	.uos-nav__list .sub-menu li a:hover {
		color: var(--uos-violet, #5b21b6);
		background: var(--uos-violet-tint, #ede9fe);
	}
}

/* ==========================================================================
   Reduced motion — strip transitions.
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
	.uos-megamenu,
	.uos-nav__list > .menu-item > a,
	.uos-nav__list > .menu-item > a[data-megamenu]::after,
	.uos-megamenu__item,
	.uos-megamenu__item::before,
	.uos-megamenu__item-icon,
	.uos-megamenu__item-label,
	.uos-megamenu__item-arrow,
	.uos-megamenu__footer {
		transition: none !important;
		transform: none !important;
	}
}