/**
 * Variant CSS: nav--mega-menu-panel
 * Path B nav role — main nav where "Oferta" opens a wide mega-menu panel
 * (columns of links + featured promo block). Hover-open on desktop, collapses
 * under the hamburger on mobile.
 */

body.aibt-universal .universal-nav--mega-menu-panel {
	position: sticky;
	top: 0;
	z-index: 100;
	background: color-mix(in oklab, var(--background) 94%, 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. */
	padding-block: 0 !important;
	margin-block: 0 !important;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 2rem;
	padding: 1.15rem clamp(var(--space-md), 4vw, var(--space-xl));
	max-width: var(--max-ultra);
	margin: 0 auto;
}

body.aibt-universal .universal-nav--mega-menu-panel .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;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__menu-wrap {
	display: flex;
	align-items: center;
	gap: 2.5rem;
	flex: 1;
	justify-content: flex-end;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__menu {
	display: flex;
	align-items: center;
	gap: 1.85rem;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__link {
	font-family: var(--font-body);
	font-size: var(--text-sm);
	color: var(--text-secondary);
	text-decoration: none;
	letter-spacing: 0.02em;
	white-space: nowrap;
	transition: color var(--duration-fast) var(--ease-default);
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__link:hover {
	color: var(--accent);
}

/* Item that carries the mega panel */
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__item--has-panel {
	position: static;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__item--has-panel > .universal-nav__link {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
}

/* Caret indicator on the panel trigger */
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__item--has-panel > .universal-nav__link::after {
	content: "";
	width: 0.42em;
	height: 0.42em;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: rotate(45deg) translateY(-0.12em);
	transition: transform var(--duration-fast) var(--ease-default);
	opacity: 0.7;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__item--has-panel:hover > .universal-nav__link::after,
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__item--has-panel:focus-within > .universal-nav__link::after {
	transform: rotate(225deg) translateY(0.12em);
}

/* The mega panel — anchored to the full nav width, opens on hover/focus */
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel {
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	display: grid;
	grid-template-columns: 1fr 1fr 1.2fr;
	gap: clamp(var(--space-lg), 4vw, var(--space-xl));
	max-width: var(--max-ultra);
	margin: 0 auto;
	padding: clamp(var(--space-lg), 3vw, var(--space-xl)) clamp(var(--space-md), 4vw, var(--space-xl));
	background: var(--background);
	border-bottom: 1px solid var(--divider-primary);
	box-shadow: var(--decor-shadow-elevated, 0 24px 48px -24px rgba(0, 0, 0, 0.25));
	/* Hidden by default; revealed on hover/focus of the item */
	opacity: 0;
	visibility: hidden;
	transform: translateY(-8px);
	transition: opacity var(--duration-fast) var(--ease-default),
		transform var(--duration-fast) var(--ease-default),
		visibility var(--duration-fast) var(--ease-default);
	z-index: 90;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__item--has-panel:hover .universal-nav__panel,
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__item--has-panel:focus-within .universal-nav__panel {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-col {
	display: flex;
	flex-direction: column;
	gap: 0.85rem;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-head {
	font-family: var(--font-body) !important;
	font-size: var(--text-xs) !important;
	font-weight: 600 !important;
	letter-spacing: var(--tracking-widest) !important;
	text-transform: uppercase;
	color: var(--accent) !important;
	margin: 0 0 0.35rem !important;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-col a {
	font-family: var(--font-body);
	font-size: var(--text-base);
	color: var(--text-primary);
	text-decoration: none;
	line-height: var(--leading-relaxed);
	transition: color var(--duration-fast) var(--ease-default);
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-col a:hover {
	color: var(--accent);
}

/* Featured promo column — soft tinted island */
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-col--feature {
	background: color-mix(in srgb, var(--accent) 8%, var(--background));
	border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
	border-radius: var(--decor-radius);
	padding: clamp(var(--space-md), 2vw, var(--space-lg));
	gap: 0.9rem;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-feature {
	font-family: var(--font-body) !important;
	font-size: var(--text-sm) !important;
	color: var(--ink) !important;
	line-height: var(--leading-relaxed) !important;
	margin: 0 !important;
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-cta {
	font-family: var(--font-body);
	font-size: var(--text-sm);
	font-weight: 600;
	color: var(--accent);
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	margin-top: auto;
	transition: gap var(--duration-fast) var(--ease-default);
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-cta::after {
	content: "\2192";
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-cta:hover {
	gap: 0.7rem;
}

/* Primary CTA button */
body.aibt-universal .universal-nav--mega-menu-panel .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);
	min-height: 40px;
	display: inline-flex;
	align-items: center;
	white-space: nowrap;
	border-radius: var(--decor-radius);
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__cta:hover {
	background: var(--accent-hover);
}

/* Hamburger toggle */
body.aibt-universal .universal-nav--mega-menu-panel .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;
	transition: border-color var(--duration-fast) var(--ease-default);
}

body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__toggle:hover {
	border-color: var(--text-primary);
}

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

body.aibt-universal .universal-nav--mega-menu-panel .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 + panel surfaces (a11y).
   Pairs with the existing :focus-within that reveals the mega panel. */
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__link:focus-visible,
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-col a:focus-visible,
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-cta:focus-visible,
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__cta:focus-visible,
body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__toggle:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
	border-radius: var(--decor-radius);
}

@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
	   fixed panel is viewport-relative. */
	body.aibt-universal .universal-nav--mega-menu-panel {
		backdrop-filter: none;
		-webkit-backdrop-filter: none;
		background: var(--background);
	}

	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__toggle {
		display: flex;
	}

	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__menu-wrap {
		position: fixed;
		top: 70px;
		left: 0;
		right: 0;
		bottom: 0;
		background: var(--background);
		flex-direction: column;
		align-items: stretch;
		gap: 1.5rem;
		justify-content: flex-start;
		padding: 2.5rem 1.5rem 2rem;
		transform: translateY(-110%);
		transition: transform var(--duration-medium, 320ms) var(--ease-emphasized, var(--ease-default));
		z-index: 99;
		box-shadow: var(--decor-shadow-elevated, 0 24px 48px -24px rgba(0, 0, 0, 0.25));
		overflow-y: auto;
	}

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

	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__menu {
		flex-direction: column;
		align-items: stretch;
		gap: 1.2rem;
	}

	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__link {
		font-size: 1.25rem;
	}

	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__item--has-panel > .universal-nav__link::after {
		display: none;
	}

	/* On mobile the panel becomes inline (always shown, accordion-free) */
	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		display: flex;
		flex-direction: column;
		gap: 1.25rem;
		padding: 0;
		margin: 0.5rem 0 0;
		box-shadow: none;
		border-bottom: none;
		max-width: 100%;
	}

	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-head {
		font-size: var(--text-xs) !important;
	}

	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__cta {
		justify-content: center;
		font-size: 1rem;
		padding: 0.9rem 1.4rem;
	}
}

@media (max-width: 640px) {
	/* A5 — uppercase + letter-spacing floor on small screens */
	body.aibt-universal .universal-nav--mega-menu-panel .universal-nav__panel-head {
		letter-spacing: 0 !important;
	}
}