/* Signature homepage hero */

.bhv-signature-hero {
	position: relative;
	box-sizing: border-box;
	height: clamp(600px, 62vh, 650px);
	max-height: none;
	margin-bottom: 0;
	padding-top: 0;
	overflow: hidden;
	background: var(--bhv-hero-upper);
	isolation: isolate;
}

.bhv-front-page .bhv-signature-hero {
	overflow: clip;
}

.bhv-front-page #page-content {
	background: var(--bhv-section-lower);
}

.bhv-signature-hero .bhv-signature-hero__container {
	position: absolute;
	z-index: 3;
	top: clamp(130px, 14vh, 150px);
	right: 0;
	bottom: auto;
	left: 0;
	width: min(100% - (2 * var(--bhv-gutter)), var(--bhv-content-width));
	max-width: var(--bhv-content-width);
	height: auto;
	min-height: 0;
	min-width: 0;
	margin-right: auto;
	margin-left: auto;
	padding: 0;
}

.bhv-signature-hero .bhv-signature-hero__layout {
	height: auto;
	min-height: 0;
	margin: 0;
	padding-top: 0;
	padding-bottom: 0;
}

.bhv-signature-hero .bhv-hero-copy {
	flex-basis: 100%;
	max-width: 100%;
	height: auto;
	min-height: 0;
	padding: 0;
	text-align: left;
}

.bhv-signature-hero .bhv-hero-copy {
	flex: 0 1 720px;
	align-items: flex-start;
	width: min(720px, 58vw);
	max-width: 720px;
	height: auto;
	min-height: 0;
	margin: 0;
	text-align: left;
}

.bhv-signature-hero__title {
	max-width: 700px;
	margin: 0 0 32px;
	color: #0b0c0e;
	font-size: clamp(3.15rem, 5vw, 4.75rem);
	font-weight: 680;
	letter-spacing: -0.045em;
	line-height: 1.04;
	text-align: left;
}

.bhv-signature-hero__summary {
	width: auto;
	max-width: 690px;
	margin: 0;
	color: #24282c;
	font-size: clamp(1.08rem, 1.55vw, 1.28rem);
	font-weight: 400;
	line-height: 1.65;
	text-align: left;
	text-wrap: pretty;
}

#wave-canvas {
	display: block;
	overflow: hidden;
	line-height: 0;
	pointer-events: none;
}

#wave-canvas canvas {
	display: block;
}

.bhv-signature-hero #wave-canvas {
	position: absolute;
	z-index: 2;
	top: 0;
	right: 0;
	bottom: auto;
	left: 0;
}

.bhv-front-page #page > .blog-page,
.bhv-front-page #page > .page-content {
	padding-top: 0;
}

.bhv-home-content {
	--bhv-home-wave-separator-shape: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 64' preserveAspectRatio='none'%3E%3Cpath fill='black' d='M0 42C180 14 310 58 500 38C720 14 880 4 1050 28C1210 50 1325 40 1440 16V64H0Z'/%3E%3C/svg%3E");
	background: var(--bhv-surface);
}

.bhv-home-section {
	--bhv-home-section-accent: var(--bhv-wave-purple);
	--bhv-home-section-background: var(--bhv-surface);
	--bhv-home-section-text-accent: var(--bhv-research-health);
	--bhv-home-wave-separator-height: clamp(32px, 4vw, 56px);
	position: relative;
	padding-block: clamp(58px, 7vw, 92px);
	background: var(--bhv-home-section-background);
}

.bhv-home-section--projects {
	--bhv-home-section-accent: var(--bhv-wave-blue);
	--bhv-home-section-background: #f5f7fa;
	--bhv-home-section-text-accent: var(--bhv-primary);
}

.bhv-home-section--news {
	--bhv-home-section-accent: var(--bhv-wave-indigo);
	--bhv-home-section-text-accent: var(--bhv-research-brain);
}

.bhv-home-section--publications {
	--bhv-home-section-accent: var(--bhv-wave-cyan);
	--bhv-home-section-background: #f5f7fa;
	--bhv-home-section-text-accent: var(--bhv-research-virtual-reality);
}

.bhv-home-section--collaboration {
	padding-top: clamp(48px, 6vw, 76px);
}

@media (min-width: 1024px) {
	.bhv-home-section--research {
		padding-top: clamp(36px, 3vw, 44px);
	}

	.bhv-home-section--research .bhv-home-section__header {
		margin-bottom: 32px;
	}

	.bhv-home-section--research .bhv-home-section__description {
		max-width: none;
	}
}

.bhv-home-section + .bhv-home-section::before {
	position: absolute;
	z-index: 0;
	top: calc(-1 * var(--bhv-home-wave-separator-height) + 1px);
	right: 0;
	left: 0;
	height: var(--bhv-home-wave-separator-height);
	background: var(--bhv-home-section-background);
	content: "";
	pointer-events: none;
	-webkit-mask: var(--bhv-home-wave-separator-shape) center / 100% 100% no-repeat;
	mask: var(--bhv-home-wave-separator-shape) center / 100% 100% no-repeat;
}

.bhv-home-section:nth-child(even)::before {
	transform: scaleX(-1);
}

.bhv-home-section > .bhv-container {
	position: relative;
	z-index: 1;
}

.bhv-home-section__header {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: 28px clamp(32px, 5vw, 72px);
	align-items: end;
	margin-bottom: clamp(32px, 4vw, 48px);
}

.bhv-home-section__heading {
	max-width: 780px;
}

.bhv-home-section__eyebrow {
	margin: 0 0 12px;
	color: var(--bhv-home-section-text-accent, var(--bhv-primary-hover));
	font-size: 0.76rem;
	font-weight: 800;
	letter-spacing: 0.11em;
	line-height: 1.3;
	text-transform: uppercase;
}

.bhv-home-section__title {
	margin: 0;
	font-size: clamp(2rem, 3.4vw, 3.15rem);
	font-weight: 650;
	letter-spacing: -0.04em;
	line-height: 1.05;
	text-align: left;
	text-wrap: balance;
}

.bhv-home-section__description {
	max-width: 64ch;
	margin: 18px 0 0;
	color: var(--bhv-muted);
	font-size: clamp(0.98rem, 1.2vw, 1.08rem);
	line-height: 1.6;
}

.bhv-home-section__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 6px 22px;
	align-items: center;
	justify-content: flex-end;
}

.bhv-home-section__link {
	display: inline-flex;
	gap: 9px;
	align-items: center;
	min-height: 44px;
	color: var(--bhv-primary-hover);
	font-size: 0.92rem;
	font-weight: 750;
	text-decoration: none;
}

.bhv-home-section__link i {
	font-size: 0.78rem;
	transition: transform var(--bhv-motion);
}

.bhv-home-section__link:hover i,
.bhv-home-section__link:focus-visible i {
	transform: translateX(3px);
}

.bhv-home-section__link--secondary {
	color: var(--bhv-muted);
}

.bhv-home-section__link:focus-visible {
	border-radius: var(--bhv-radius-pill);
	outline: 3px solid var(--bhv-home-section-accent);
	outline-offset: 3px;
}

/* Homepage research areas */

.bhv-home-research-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: clamp(18px, 2vw, 26px);
	width: 100%;
	margin-left: 0;
}

.bhv-home-research-grid::before,
.bhv-home-research-grid::after {
	display: none;
	content: none;
}

.bhv-home-section--collaboration .bhv-research-hub__cta {
	margin-top: 0;
}

@media (max-width: 900px) {
	.bhv-home-section__header {
		grid-template-columns: minmax(0, 1fr);
		gap: 18px;
		align-items: start;
	}

	.bhv-home-section__actions {
		justify-content: flex-start;
	}
}

@media (max-width: 767px) {
	.bhv-home-section {
		padding-block: 48px;
	}

	.bhv-home-section--collaboration {
		padding-top: 40px;
	}

	.bhv-home-section__header {
		margin-bottom: 28px;
	}

	.bhv-home-section__description {
		margin-top: 14px;
	}

	.bhv-home-section__actions {
		gap: 2px 18px;
	}
}