/* Frontend Reference V1: canonical Global Header and shared scene framing owner. */
.ef-v1-section-heading { margin-block-end: var(--ef-primitive-space-12); }
.ef-v1-section-heading--split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(18rem, .9fr); gap: var(--ef-primitive-space-16); align-items: end; }
.ef-v1-section-heading h2 { margin: var(--ef-primitive-space-3) 0 0; max-inline-size: 22ch; font-size: clamp(1.875rem, 3.2vw, 3rem); line-height: 1.04; letter-spacing: -.045em; }
.ef-v1-section-heading > p { margin: var(--ef-primitive-space-4) 0 0; color: var(--ef-primitive-color-slate600); line-height: 1.65; }
.ef-v1-eyebrow--dark,
.ef-v1-technical-label { color: var(--ef-primitive-color-blue600); font-family: var(--ef-primitive-font-family-mono); font-size: var(--ef-primitive-font-size-caption); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.ef-v1-text-link { color: var(--ef-primitive-color-blue-v1-muted); font-weight: 700; text-decoration: none; }

@media (max-width: 768px) {
	.ef-v1-section-heading--split { grid-template-columns: 1fr; gap: var(--ef-primitive-space-4); }
}

.ef-v1-container {
	inline-size: min(calc(100% - (2 * clamp(var(--ef-primitive-space-5), 4vw, var(--ef-primitive-space-20)))), var(--ef-primitive-layout-presentation-wide));
	margin-inline: auto;
}

.ef-v1-header {
	position: relative;
	z-index: 30;
	inset-block-start: 0;
	inline-size: 100%;
	block-size: 72px;
	color: var(--ef-primitive-color-white);
	background: var(--ef-primitive-color-ink1000);
}

.home .ef-v1-header {
	position: absolute;
	inset-inline: 0;
	background: linear-gradient(180deg, var(--ef-primitive-color-ink1000), var(--ef-primitive-color-alpha-dark88) 72%, transparent);
}

.ef-v1-header[data-ef-scroll-state="away"] {
	position: fixed;
	background: var(--ef-primitive-color-alpha-dark98);
	box-shadow: 0 1px 0 var(--ef-primitive-color-alpha-light18);
}

.ef-v1-header__inner {
	block-size: 100%;
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	align-items: center;
	gap: var(--ef-primitive-space-8);
}

.ef-v1-brand,
.ef-v1-brand__link,
.ef-v1-brand .custom-logo-link {
	display: inline-flex;
	align-items: center;
	gap: var(--ef-primitive-space-2);
}

.ef-v1-brand__link {
	color: inherit;
	font-size: 0.9375rem;
	font-weight: 800;
	letter-spacing: -0.03em;
	text-decoration: none;
}

.ef-v1-brand__symbol {
	inline-size: 28px;
	block-size: 28px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--ef-primitive-color-white);
	background: var(--ef-primitive-color-blue600);
	border: 1px solid var(--ef-primitive-color-blue-v1-muted);
	border-radius: var(--ef-primitive-radius-small);
	font-family: var(--ef-primitive-font-family-mono);
	font-size: 0.5625rem;
}

.ef-v1-brand .custom-logo {
	inline-size: auto;
	max-inline-size: 180px;
	block-size: 32px;
	object-fit: contain;
}

.ef-v1-navigation {
	display: flex;
	align-items: center;
	justify-content: center;
}

.ef-v1-language-switcher {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	margin-inline-start: 0.75rem;
}

.ef-v1-language-switcher a {
	padding: 0.35rem 0.45rem;
	color: var(--ef-primitive-color-white);
	font-size: 0.75rem;
	text-decoration: none;
}

.ef-v1-language-switcher a[aria-current="page"] {
	text-decoration: underline;
	text-underline-offset: 0.25em;
}

.ef-v1-navigation .navigation-list {
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	gap: clamp(var(--ef-primitive-space-3), 1.5vw, var(--ef-primitive-space-7));
	list-style: none;
}

.ef-v1-navigation .navigation-item {
	position: relative;
}

.ef-v1-navigation .navigation-item__control {
	display: flex;
	align-items: center;
}

.ef-v1-navigation a {
	position: relative;
	padding-block: var(--ef-primitive-space-2);
	color: var(--ef-semantic-color-text-on-dark-muted);
	font-size: var(--ef-semantic-typography-size-small);
	font-weight: var(--ef-semantic-typography-weight-bold);
	font-weight: var(--ef-primitive-font-weight-medium);
	text-decoration: none;
	transition:
		color var(--ef-primitive-motion-duration-normal)
		var(--ef-primitive-motion-easing-enter);
}

.ef-v1-navigation > .navigation-list > .navigation-item > .navigation-item__control > a::after {
	content: "";
	position: absolute;
	inset-inline: 0;
	inset-block-end: 0;
	block-size: 1px;
	background: var(--ef-primitive-color-blue-v1-muted);
	transform: scaleX(0);
	transform-origin: left;
	transition:
		transform var(--ef-primitive-motion-duration-normal)
		var(--ef-primitive-motion-easing-enter);
}

.ef-v1-navigation [data-ef-submenu] {
	position: absolute;
	inset-block-start: 100%;
	inset-inline-start: 0;
	min-inline-size: 240px;
	padding: var(--ef-primitive-space-3);
	background: var(--ef-primitive-color-ink950);
	border: 1px solid var(--ef-primitive-color-alpha-light18);
	opacity: 0;
	pointer-events: none;
	transform: translateY(-8px);
	transition:
		opacity var(--ef-primitive-motion-duration-normal)
		var(--ef-primitive-motion-easing-enter),
		transform var(--ef-primitive-motion-duration-normal)
		var(--ef-primitive-motion-easing-enter);
}

.ef-v1-navigation [data-ef-submenu] .navigation-list {
	display: grid;
	gap: 0;
}

.ef-v1-navigation [data-ef-submenu] a {
	display: block;
	padding: var(--ef-primitive-space-3);
}

.ef-v1-navigation .navigation-item.is-open > [data-ef-submenu] {
	opacity: 1;
	pointer-events: auto;
	transform: none;
}

.ef-v1-navigation .submenu-toggle {
	inline-size: 28px;
	block-size: 28px;
	padding: 0;
	color: var(--ef-primitive-color-slate300);
	background: transparent;
	border: 0;
	cursor: pointer;
}

.ef-v1-navigation .submenu-toggle span::before {
	content: "+";
}

.ef-v1-navigation
.navigation-item.is-open > .navigation-item__control
.submenu-toggle
span::before {
	content: "−";
}

.ef-v1-button {
	min-block-size: var(--ef-button-height);
	padding-inline: var(--ef-button-padding-inline);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--ef-primitive-color-white);
	border: 1px solid transparent;
	border-radius: var(--ef-button-radius);
	font-family: var(--ef-semantic-typography-family-button);
	font-size: var(--ef-primitive-font-size-technical-label);
	font-weight: var(--ef-primitive-font-weight-bold);
	letter-spacing: var(--ef-primitive-font-tracking-technical);
	text-decoration: none;
	transition:
		color var(--ef-primitive-motion-duration-fast)
		var(--ef-primitive-motion-easing-enter),
		background-color var(--ef-primitive-motion-duration-fast)
		var(--ef-primitive-motion-easing-enter),
		border-color var(--ef-primitive-motion-duration-fast)
		var(--ef-primitive-motion-easing-enter);
}

.ef-v1-button--primary {
	background: var(--ef-primitive-color-blue600);
	border-color: var(--ef-primitive-color-blue600);
}

.ef-v1-button--outline {
	background: var(--ef-primitive-color-alpha-dark42);
	border-color: var(--ef-primitive-color-alpha-light18);
}

.ef-v1-header__cta {
	min-block-size: 40px;
	padding-inline: var(--ef-primitive-space-5);
	font-size: 0.6875rem;
}

.ef-v1-header__cta--mobile,
.ef-v1-header__toggle {
	display: none;
}

.ef-v1-header :focus-visible,
.ef-v1-hero :focus-visible {
	outline:
		var(--ef-primitive-border-focus) solid
		var(--ef-primitive-color-blue-v1-focus);
	outline-offset: var(--ef-primitive-border-focus);
}

@media (hover: hover) and (pointer: fine) {

	.ef-v1-navigation a:hover {
		color: var(--ef-primitive-color-white);
	}

	.ef-v1-navigation > .navigation-list > .navigation-item > .navigation-item__control > a:hover::after {
		transform: scaleX(1);
	}

	.ef-v1-button--primary:hover {
		background: var(--ef-primitive-color-blue500);
		border-color: var(--ef-primitive-color-blue500);
	}

	.ef-v1-button--outline:hover {
		border-color: var(--ef-primitive-color-blue-v1-muted);
	}
}

@media (max-width: 72.99rem) {

	.ef-v1-container {
		inline-size: min(calc(100% - 64px), var(--ef-primitive-layout-presentation-wide));
	}

	.ef-v1-header {
		block-size: 64px;
	}

	.ef-v1-header__inner {
		grid-template-columns: auto 1fr auto;
		gap: var(--ef-primitive-space-4);
	}

	.ef-v1-header__toggle {
		grid-column: 3;
		inline-size: 44px;
		block-size: 44px;
		display: inline-flex;
		align-items: center;
		justify-content: center;
		color: var(--ef-primitive-color-white);
		background: var(--ef-primitive-color-alpha-light06);
		border: 1px solid var(--ef-primitive-color-alpha-light18);
	}

	.ef-v1-header__toggle > span,
	.ef-v1-header__toggle > span::before,
	.ef-v1-header__toggle > span::after {
		inline-size: 18px;
		block-size: 1px;
		display: block;
		background: currentcolor;
	}

	.ef-v1-header__toggle > span {
		position: relative;
	}

	.ef-v1-header__toggle > span::before,
	.ef-v1-header__toggle > span::after {
		content: "";
		position: absolute;
		inset-inline-start: 0;
	}

	.ef-v1-header__toggle > span::before {
		transform: translateY(-6px);
	}

	.ef-v1-header__toggle > span::after {
		transform: translateY(6px);
	}

	.ef-v1-navigation {
		position: fixed;
		z-index: 29;
		inset: 64px 0 auto;
		max-block-size: calc(100vh - 64px);
		padding: var(--ef-primitive-space-8) 32px var(--ef-primitive-space-12);
		display: grid;
		overflow-y: auto;
		background: var(--ef-primitive-color-ink950);
		border-block-start: 1px solid var(--ef-primitive-color-alpha-light18);
		opacity: 0;
		pointer-events: none;
		transform: translateY(-16px);
		transition:
			opacity var(--ef-primitive-motion-duration-navigation)
			var(--ef-primitive-motion-easing-enter),
			transform var(--ef-primitive-motion-duration-navigation)
			var(--ef-primitive-motion-easing-enter);
	}

	.ef-v1-navigation.is-open {
		opacity: 1;
		pointer-events: auto;
		transform: none;
	}

	.ef-v1-navigation .navigation-list {
		display: grid;
		gap: 0;
	}

	.ef-v1-language-switcher {
		margin: 1rem 0 0;
	}

	.ef-v1-navigation a {
		display: block;
		padding-block: var(--ef-primitive-space-4);
		color: var(--ef-primitive-color-white);
		border-block-end: 1px solid var(--ef-primitive-color-alpha-light18);
		font-size: var(--ef-primitive-font-size-body);
	}

	.ef-v1-navigation [data-ef-submenu] {
		position: static;
		display: none;
		padding: 0 0 0 var(--ef-primitive-space-4);
		border: 0;
		opacity: 1;
		transform: none;
	}

	.ef-v1-navigation .navigation-item.is-open > [data-ef-submenu] {
		display: block;
	}

	.ef-v1-header__cta {
		grid-column: 2;
		grid-row: 1;
		justify-self: end;
	}

	.ef-v1-header__cta--mobile {
		display: none;
	}
}

@media (max-width: 40rem) {

	.ef-v1-container {
		inline-size: calc(100% - 32px);
	}

	.ef-v1-header__cta {
		display: none;
	}

	.ef-v1-navigation .ef-v1-header__cta--mobile {
		display: inline-flex;
		margin-block-start: var(--ef-primitive-space-4);
	}
}

@media (prefers-reduced-motion: reduce) {

	.ef-v1-header *,
	.ef-v1-header *::before,
	.ef-v1-header *::after {
		scroll-behavior: auto;
		transition-duration: 0ms;
	}
}