/**
 * Variant CSS: nav--wide-spread-links
 * Path B nav role — single airy editorial row: brand pinned left, menu links
 * distributed (justified) across the full available width, CTA pinned far
 * right. Differs from sticky-with-cta/floating-pill by spreading the links
 * edge-to-edge instead of clustering them.
 */

body.aibt-universal .universal-nav--wide-spread-links {
	position: sticky;
	top: 0;
	z-index: 100;
	background: color-mix(in oklab, var(--background) 92%, transparent);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--divider-primary);
	/* Nav must be compact: kill inherited section/global block padding +
	   margin. __inner owns the vertical rhythm. */
	padding-block: 0 !important;
	margin-block: 0 !important;
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__inner {
	display: flex;
	align-items: center;
	gap: clamp(2rem, 5vw, 4rem);
	padding: 1.35rem clamp(var(--space-md), 5vw, var(--space-xl));
	max-width: var(--max-ultra);
	width: 100%;
	margin: 0 auto;
	box-sizing: border-box;
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__brand {
	font-family: var(--font-display) !important;
	font-weight: 500 !important;
	font-size: 1.35rem !important;
	letter-spacing: -0.01em !important;
	color: var(--text-primary) !important;
	margin: 0 !important;
	line-height: 1 !important;
	flex: none;
}

/* Menu wrap stretches to fill the row so links can spread + CTA sits right. */
body.aibt-universal .universal-nav--wide-spread-links .universal-nav__menu-wrap {
	display: flex;
	align-items: center;
	gap: clamp(2rem, 5vw, 4rem);
	flex: 1;
}

/* The defining trait: links justified edge-to-edge across the free space. */
body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread {
	display: flex;
	flex: 1;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	font-family: var(--font-body) !important;
	font-size: var(--text-sm) !important;
	letter-spacing: var(--tracking-wide) !important;
	text-transform: uppercase;
	color: var(--text-secondary) !important;
	margin: 0 !important;
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread a {
	position: relative;
	color: inherit;
	text-decoration: none;
	white-space: nowrap;
	padding-block: 0.2rem;
	transition: color var(--duration-fast) var(--ease-default);
}

/* Editorial underline grows from the left on hover. */
body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -2px;
	width: 100%;
	height: 1px;
	background: var(--accent);
	transform: scaleX(0);
	transform-origin: left center;
	transition: transform var(--duration-base, 280ms) var(--ease-default);
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread a:hover {
	color: var(--text-primary);
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread a:hover::after {
	transform: scaleX(1);
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__cta {
	font-family: var(--font-body);
	font-size: 0.88rem;
	font-weight: 500;
	letter-spacing: var(--tracking-wide);
	padding: 0.7rem 1.4rem;
	color: var(--cta-text-primary);
	background: var(--cta-bg-primary);
	text-decoration: none;
	transition: background var(--duration-fast) var(--ease-default),
		color var(--duration-fast) var(--ease-default);
	min-height: 40px;
	display: inline-flex;
	align-items: center;
	white-space: nowrap;
	border-radius: var(--decor-radius);
	flex: none;
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__cta:hover {
	background: var(--accent-hover);
}

/* Hamburger toggle */
body.aibt-universal .universal-nav--wide-spread-links .universal-nav__toggle {
	display: none;
	background: transparent;
	border: 1px solid var(--divider-primary);
	cursor: pointer;
	width: 44px;
	height: 44px;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 0;
	margin-left: auto;
	transition: border-color var(--duration-fast) var(--ease-default);
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__toggle:hover {
	border-color: var(--text-primary);
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__toggle-bar {
	display: block;
	width: 18px;
	height: 1.5px;
	background: var(--text-primary);
	transition: transform var(--duration-base, 280ms) var(--ease-default);
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__toggle[aria-expanded="true"] .universal-nav__toggle-bar:nth-child(1) {
	transform: translateY(4px) rotate(45deg);
}

body.aibt-universal .universal-nav--wide-spread-links .universal-nav__toggle[aria-expanded="true"] .universal-nav__toggle-bar:nth-child(2) {
	transform: translateY(-3px) rotate(-45deg);
}

/* Keyboard focus rings — accent outline on the chrome surface (a11y). */
body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread a:focus-visible,
body.aibt-universal .universal-nav--wide-spread-links .universal-nav__cta:focus-visible,
body.aibt-universal .universal-nav--wide-spread-links .universal-nav__toggle:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
	border-radius: var(--decor-radius);
}

@media (prefers-reduced-motion: reduce) {
	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread a,
	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread a::after,
	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__cta,
	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__toggle-bar {
		transition: none !important;
	}
}

@media (max-width: 781px) {
	/* The backdrop-filter establishes a containing block that would trap the
	   fixed drop panel inside the bar — drop the filter + use a solid bar so
	   the panel is viewport-relative. */
	body.aibt-universal .universal-nav--wide-spread-links {
		backdrop-filter: none;
		-webkit-backdrop-filter: none;
		background: var(--background);
	}

	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__inner {
		justify-content: space-between;
	}

	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__toggle {
		display: flex;
	}

	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__menu-wrap {
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		background: var(--background);
		flex-direction: column;
		gap: 2.5rem;
		justify-content: flex-start;
		padding: 5rem 1.5rem 2rem;
		transform: translateY(-110%);
		transition: transform var(--duration-medium, 320ms) var(--ease-emphasized);
		z-index: 99;
		box-shadow: var(--decor-shadow-elevated);
		overflow-y: auto;
	}

	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__menu-wrap[data-open="true"] {
		transform: translateY(0);
	}

	/* Stop spreading — stack the links centered in the drop panel. */
	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread {
		flex-direction: column;
		justify-content: flex-start;
		gap: 2rem;
		flex: none;
		font-size: 1.4rem !important;
		text-align: center;
	}

	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__cta {
		font-size: 1rem;
	}
}

@media (max-width: 640px) {
	/* A5: kill wide tracking on the uppercase links at the smallest size. */
	body.aibt-universal .universal-nav--wide-spread-links .universal-nav__spread {
		letter-spacing: 0 !important;
	}
}