:root {
	--brain-bg: #f6f3eb;
	--brain-text: #183e43;
	--brain-muted: #546762;
	--brain-accent: #b24e31;
	--brain-accent-text: #fff;
	--brain-font-display: "Cormorant Garamond";
	--brain-font-body: "Hanken Grotesk";
	--brain-font-scale: 1;
	--brain-density: 1;
	--brain-width: 1440px;
	--brain-radius: 4px;
	color-scheme: light;
}
* {
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
	scroll-padding-top: 100px;
}
body {
	margin: 0;
	background: var(--brain-bg);
	color: var(--brain-text);
	font-family: var(--brain-font-body), sans-serif;
	font-size: calc(16px * var(--brain-font-scale));
	line-height: 1.55;
}
body::before {
	content: "";
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: 10;
	opacity: 0.13;
	background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.87' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a {
	color: inherit;
	text-decoration: none;
}
button,
input,
select {
	font: inherit;
}
button,
a,
select {
	-webkit-tap-highlight-color: transparent;
}
button {
	cursor: pointer;
}
button:focus-visible,
a:focus-visible,
select:focus-visible,
summary:focus-visible {
	outline: 2px solid var(--brain-accent);
	outline-offset: 5px;
}
svg {
	width: 22px;
	height: 22px;
	fill: none;
	stroke: currentColor;
	stroke-width: 1.5;
}
h1,
h2,
h3,
p {
	margin: 0;
}
h1,
h2 {
	font-family: var(--brain-font-display), Georgia, serif;
	font-weight: 400;
	line-height: 0.99;
	letter-spacing: -0.045em;
}
h1 {
	font-size: clamp(48px, 5.4vw, 86px);
	max-width: 670px;
}
h2 {
	font-size: clamp(42px, 4.5vw, 70px);
}
h3 {
	font-size: 23px;
	line-height: 1.22;
	letter-spacing: -0.025em;
	font-weight: 500;
}
.mast {
	height: 96px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: var(--brain-width);
	margin: auto;
	padding: 0 56px;
	border-bottom: 1px solid #183e4325;
	position: relative;
	z-index: 12;
}
.brand {
	font-family: "Cormorant Garamond", Georgia, serif;
	font-weight: 600;
	letter-spacing: 0.08em;
	font-size: 31px;
	line-height: 1;
	display: inline-flex;
	flex-direction: column;
	align-items: center;
}
.brand span {
	font-family: var(--brain-font-body), sans-serif;
	font-size: 8px;
	letter-spacing: 0.43em;
	margin-top: 8px;
}
.mast nav {
	display: flex;
	gap: 30px;
	font-size: 14px;
	align-items: center;
}
.nav-contact {
	border-bottom: 1px solid;
	padding-bottom: 4px;
}
.mast a:hover {
	color: var(--brain-accent);
}
.skip {
	position: fixed;
	top: -100px;
	left: 20px;
	background: white;
	z-index: 100;
	padding: 14px;
}
.skip:focus {
	top: 10px;
}
section {
	max-width: var(--brain-width);
	margin: auto;
	padding: calc(96px * var(--brain-density)) 56px;
}
.hero {
	min-height: calc(100svh - 96px);
	position: relative;
	padding-top: 60px;
	padding-bottom: 64px;
	display: grid;
	grid-template-columns: 1fr 1fr;
	align-items: center;
	gap: 0;
}
.edition {
	font-size: 13px;
	margin-bottom: 26px;
	color: var(--brain-accent);
}
.brain-intro-text {
	max-width: 460px;
	margin: 27px 0 30px;
	color: var(--brain-muted);
	font-size: 18px;
	line-height: 1.55;
}
.button {
	display: inline-flex;
	align-items: center;
	justify-content: space-between;
	gap: 28px;
	padding: 16px 23px;
	border-radius: var(--brain-radius);
	font-size: 14px;
	transition:
		background 0.2s,
		transform 0.2s;
}
.button:hover {
	transform: translateY(-3px);
	background: var(--brain-accent);
}
.button.dark {
	background: var(--brain-text);
	color: var(--brain-bg);
}
.button.dark:hover {
	background: var(--brain-accent);
	color: #fff;
}
.text-link {
	display: block;
	font-size: 13px;
	margin-top: 20px;
	text-decoration: underline;
	text-underline-offset: 5px;
}
.hero-art {
	height: min(640px, 65vw);
	min-height: 480px;
	position: relative;
	align-self: center;
}
.hero-art canvas {
	width: 100%;
	height: 100%;
	display: block;
}
.plate-caption {
	display: flex;
	justify-content: space-between;
	font-size: 10px;
	gap: 10px;
	color: var(--brain-muted);
	position: absolute;
	bottom: 0;
	left: 5%;
	right: 5%;
}
.plate-caption button {
	border: 0;
	background: none;
	color: inherit;
	padding: 0;
	text-decoration: underline;
	text-underline-offset: 3px;
	font-size: 10px;
}
.hero-foot {
	position: absolute;
	bottom: 16px;
	left: 56px;
	right: 56px;
	display: flex;
	justify-content: space-between;
	font-size: 11px;
	color: var(--brain-muted);
	border-top: 1px solid #183e4325;
	padding-top: 15px;
}
.story {
	border-top: 1px solid #183e4325;
}
.section-intro {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 100px;
	align-items: end;
}
.section-intro p {
	font-size: 19px;
	color: var(--brain-muted);
	max-width: 460px;
}
.story-tabs {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	margin-top: 66px;
	border-top: 1px solid #183e4333;
	border-bottom: 1px solid #183e4333;
}
.story-tabs button {
	border: 0;
	background: transparent;
	text-align: left;
	padding: 23px 18px;
	color: var(--brain-muted);
	font-size: 19px;
	transition:
		background 0.25s,
		color 0.25s;
}
.story-tabs button span {
	display: block;
	font-size: 11px;
	margin-bottom: 8px;
}
.story-tabs button[aria-selected="true"] {
	background: var(--brain-text);
	color: var(--brain-bg);
}
#story-explanation {
	max-width: 680px;
	min-height: 146px;
	padding: 35px 0 20px;
}
#story-explanation p {
	margin-top: 12px;
	color: var(--brain-muted);
}
.story-line {
	display: flex;
	align-items: center;
	gap: 25px;
	font-size: 12px;
	margin-top: 20px;
}
.story-line i {
	height: 1px;
	background: var(--brain-accent);
	flex: 1;
	position: relative;
}
.story-line i:after {
	content: "";
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background: var(--brain-accent);
	position: absolute;
	right: 0;
	top: -2px;
}
.atlas-section {
	max-width: none;
	background: #111e27;
	color: #f2ecdf;
	padding-top: 82px;
	padding-bottom: 82px;
}
.atlas-heading {
	max-width: 1328px;
	margin: 0 auto 40px;
	display: flex;
	align-items: end;
	justify-content: space-between;
	gap: 28px;
}
.atlas-heading p {
	color: #b2c3c7;
	margin-top: 20px;
	font-size: 17px;
}
.demo-stamp {
	font-size: 11px;
	line-height: 1.7;
	color: #b2c3c7;
	text-align: right;
}
.demo-stamp strong {
	font-weight: 400;
	color: #ead4b2;
}
.demo-shell {
	max-width: 1328px;
	display: grid;
	grid-template-columns: minmax(0, 1.6fr) minmax(320px, 1fr);
	margin: auto;
	border: 1px solid #c8dce22b;
	min-height: 660px;
}
.atlas-view {
	position: relative;
	min-width: 0;
	min-height: 660px;
	background: radial-gradient(ellipse at 50% 45%, #233441 0, #111e27 65%);
	overflow: hidden;
}
.atlas-top {
	position: absolute;
	top: 26px;
	left: 25px;
	right: 20px;
	display: flex;
	justify-content: space-between;
	z-index: 2;
	pointer-events: none;
}
.atlas-top strong {
	font-family: var(--brain-font-display), serif;
	font-size: 30px;
	font-weight: 400;
}
.atlas-top span {
	display: block;
	font-size: 11px;
	color: #b2c3c7;
	margin-top: 3px;
}
.icon-button {
	width: 38px;
	height: 38px;
	border: 1px solid #aabdc440;
	border-radius: 50%;
	background: #13242b;
	color: #dfebe8;
	display: grid;
	place-items: center;
	pointer-events: auto;
}
#atlas-canvas {
	width: 100%;
	height: 550px;
	display: block;
	touch-action: pan-y;
}
.graph-hint {
	font-size: 10px;
	color: #b2c3c7;
	text-align: center;
	margin-top: 8px;
}
#graph-legend {
	display: flex;
	justify-content: center;
	gap: 8px;
	flex-wrap: wrap;
	padding: 14px;
}
#graph-legend button {
	font-size: 10px;
	border: 1px solid #d0e4e32b;
	color: #d8e1df;
	background: transparent;
	padding: 5px 9px;
	border-radius: 30px;
}
#graph-legend button[aria-pressed="true"] {
	background: #f2ecdf;
	color: #111e27;
}
.knowledge-list {
	font-size: 11px;
	border-top: 1px solid #c8dce21f;
	padding: 12px 22px;
	color: #b2c3c7;
}
.knowledge-list summary {
	cursor: pointer;
}
#node-list {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	padding-top: 12px;
}
#node-list button {
	font-size: 11px;
	padding: 5px 8px;
	border: 1px solid #92a4af55;
	background: #21343f;
	color: white;
}
.demo-panel {
	padding: 30px;
	background: #f3f0e7;
	color: #193e44;
	min-width: 0;
}
.panel-label {
	font-size: 13px;
	margin-bottom: 17px;
}
.questions {
	display: flex;
	flex-direction: column;
	gap: 7px;
}
.questions button {
	background: transparent;
	border: 1px solid #183e4338;
	color: inherit;
	padding: 11px 13px;
	text-align: left;
	font-size: 13px;
	border-radius: 3px;
}
.questions button[aria-pressed="true"] {
	background: #193e44;
	color: #fff;
	border-color: #193e44;
}
.scenario {
	margin: 23px 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-size: 12px;
	gap: 12px;
}
.scenario select {
	border: 1px solid #183e4350;
	background: transparent;
	border-radius: 3px;
	padding: 7px 8px;
	color: inherit;
	max-width: 170px;
	font-size: 12px;
}
#answer h3 {
	font-family: var(--brain-font-display), serif;
	font-size: 31px;
	line-height: 1.05;
	font-weight: 500;
}
#answer p {
	font-size: 13px;
	line-height: 1.65;
	margin: 15px 0;
}
.checks {
	display: grid;
	gap: 6px;
	margin: 20px 0;
}
.check {
	display: flex;
	justify-content: space-between;
	gap: 10px;
	font-size: 11px;
	border-bottom: 1px solid #183e4320;
	padding-bottom: 6px;
}
.check b {
	font-weight: 500;
}
.check[data-state="unknown"] b {
	color: #795520;
}
.check[data-state="no"] b {
	color: #9e402f;
}
.source-links {
	display: flex;
	flex-wrap: wrap;
	gap: 7px;
}
.source-links button {
	font-size: 10px;
	padding: 5px 8px;
	color: #193e44;
	border: 1px solid #183e4340;
	background: none;
	border-radius: 2px;
}
.source-links button:hover {
	background: #e1ded3;
}
.demo-note {
	font-size: 10px;
	line-height: 1.6;
	border-top: 1px solid #183e4330;
	color: #526764;
	padding-top: 18px;
	margin-top: 23px;
}
#node-detail {
	margin-top: 20px;
	border-top: 1px solid #183e4333;
	padding-top: 18px;
}
#node-detail h4 {
	font-size: 16px;
	margin: 8px 0;
}
#node-detail p {
	font-size: 12px;
}
#node-detail .tag {
	font-size: 10px;
	color: #995035;
}
#node-detail button {
	border: 0;
	background: none;
	font-size: 11px;
	color: #193e44;
	text-decoration: underline;
	margin-top: 12px;
}
.proof h2 {
	max-width: 750px;
}
.proof-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 58px;
	margin: 65px 0;
}
.proof-number {
	font-family: var(--brain-font-display), serif;
	color: var(--brain-accent);
	font-size: 35px;
}
.proof-grid h3 {
	margin: 17px 0;
}
.proof-grid p {
	font-size: 15px;
	color: var(--brain-muted);
}
.technical {
	border-top: 1px solid #183e4333;
	border-bottom: 1px solid #183e4333;
}
.technical summary {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 23px 0;
	cursor: pointer;
	font-size: 14px;
}
.technical > div {
	max-width: 820px;
	padding-bottom: 25px;
	color: var(--brain-muted);
	font-size: 14px;
}
.technical p + p {
	margin-top: 15px;
}
.offer {
	border-top: 1px solid #183e4325;
	display: grid;
	grid-template-columns: 1fr 1.1fr;
	gap: 100px;
	align-items: center;
}
.offer h2 {
	font-size: clamp(40px, 4.5vw, 65px);
}
.offer p {
	margin: 24px 0;
	font-size: 17px;
	color: var(--brain-muted);
}
.offer ul {
	padding: 0;
	list-style: none;
	font-size: 13px;
	margin: 28px 0;
}
.offer li {
	border-top: 1px solid #183e4320;
	padding: 12px 0;
}
.offer-art {
	height: 400px;
	position: relative;
	display: grid;
	place-items: center;
}
.offer-art b {
	font-family: var(--brain-font-display), serif;
	font-size: 44px;
	text-align: center;
	font-weight: 400;
	line-height: 1.1;
}
.orbit {
	position: absolute;
	border: 1px solid #183e4355;
	width: 80%;
	height: 80%;
	border-radius: 50%;
	transform: rotate(25deg) scaleY(0.66);
}
.orbit.o2 {
	transform: rotate(85deg) scaleY(0.66);
	border-color: #b24e3180;
}
.orbit.o3 {
	transform: rotate(145deg) scaleY(0.66);
	border-color: #b19a6080;
}
.orbit.o4 {
	width: 93%;
	height: 93%;
	border-style: dotted;
	opacity: 0.5;
}
footer {
	border-top: 1px solid #183e4333;
	max-width: var(--brain-width);
	margin: auto;
	padding: 35px 56px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 12px;
	gap: 20px;
}
footer p {
	color: var(--brain-muted);
}
[hidden] {
	display: none !important;
}
@media (min-width: 1600px) {
	.hero-art {
		height: 670px;
	}
	.hero {
		min-height: 820px;
	}
}
@media (max-width: 1050px) {
	.mast,
	section {
		padding-left: 30px;
		padding-right: 30px;
	}
	.hero-foot {
		left: 30px;
		right: 30px;
	}
	.hero {
		grid-template-columns: 1.05fr 1fr;
		min-height: 700px;
	}
	.hero-art {
		min-height: 420px;
	}
	.section-intro {
		gap: 45px;
	}
	.demo-shell {
		grid-template-columns: 1.2fr 1fr;
	}
	.demo-panel {
		padding: 23px;
	}
	.offer {
		gap: 35px;
	}
	.proof-grid {
		gap: 28px;
	}
	.atlas-heading {
		align-items: start;
	}
}
@media (max-width: 720px) {
	html {
		scroll-padding-top: 25px;
	}
	.mast {
		height: 80px;
		padding: 0 22px;
	}
	.brand {
		font-size: 27px;
	}
	.mast nav {
		gap: 17px;
		font-size: 12px;
	}
	.mast nav > a:first-child,
	.nav-contact {
		display: none;
	}
	.mast nav a:nth-child(2) {
		border-bottom: 1px solid;
	}
	.hero {
		display: flex;
		flex-direction: column;
		min-height: 0;
		padding: 42px 22px 56px;
		align-items: stretch;
	}
	.edition {
		margin-bottom: 19px;
		font-size: 11px;
	}
	h1 {
		font-size: clamp(44px, 10.7vw, 64px);
		max-width: 580px;
	}
	.brain-intro-text {
		font-size: 16px;
		margin: 23px 0 24px;
		max-width: 470px;
	}
	.hero .button {
		padding: 14px 19px;
		font-size: 13px;
	}
	.text-link {
		display: inline-block;
		margin-left: 0;
		margin-top: 16px;
	}
	.hero-art {
		width: 100%;
		height: 390px;
		min-height: 0;
		margin-top: 8px;
	}
	.plate-caption {
		left: 0;
		right: 0;
		font-size: 9px;
	}
	.hero-foot {
		left: 22px;
		right: 22px;
		font-size: 10px;
		bottom: 12px;
	}
	.hero-foot > span:last-child {
		display: none;
	}
	section {
		padding: 60px 22px;
	}
	.section-intro {
		display: block;
	}
	.section-intro p {
		font-size: 16px;
		margin-top: 25px;
	}
	.story-tabs {
		margin-top: 35px;
	}
	.story-tabs button {
		font-size: 13px;
		padding: 15px 8px;
	}
	.story-tabs button span {
		font-size: 10px;
	}
	.story-line {
		gap: 9px;
		font-size: 9px;
	}
	#story-explanation {
		padding: 26px 0 12px;
		min-height: 160px;
	}
	#story-explanation h3 {
		font-size: 21px;
	}
	#story-explanation p {
		font-size: 14px;
	}
	.atlas-section {
		padding: 54px 14px;
	}
	.atlas-heading {
		display: block;
		padding: 0 8px;
	}
	.atlas-heading h2 {
		font-size: 43px;
	}
	.atlas-heading p {
		font-size: 15px;
		max-width: 350px;
	}
	.demo-stamp {
		text-align: left;
		margin-top: 20px;
		font-size: 10px;
	}
	.demo-shell {
		display: flex;
		flex-direction: column;
	}
	.atlas-view {
		min-height: 440px;
	}
	.atlas-top {
		top: 18px;
		left: 18px;
	}
	.atlas-top strong {
		font-size: 27px;
	}
	#atlas-canvas {
		height: 385px;
	}
	.graph-hint {
		font-size: 9px;
	}
	#graph-legend {
		gap: 5px;
		padding: 12px 7px;
	}
	#graph-legend button {
		font-size: 9px;
		padding: 5px 7px;
	}
	.demo-panel {
		padding: 25px 21px;
	}
	.questions button {
		font-size: 13px;
		min-height: 44px;
	}
	#answer h3 {
		font-size: 31px;
	}
	.proof-grid {
		grid-template-columns: 1fr;
		gap: 30px;
		margin: 35px 0;
	}
	.proof-grid article {
		display: grid;
		grid-template-columns: 36px 1fr;
		column-gap: 15px;
	}
	.proof-grid h3 {
		margin: 8px 0 14px;
		font-size: 21px;
	}
	.proof-grid p {
		grid-column: 2;
		font-size: 14px;
	}
	.technical summary {
		font-size: 13px;
	}
	.offer {
		grid-template-columns: 1fr;
		gap: 15px;
	}
	.offer-art {
		height: 260px;
		max-width: 320px;
		width: 100%;
		margin: auto;
	}
	.offer-art b {
		font-size: 34px;
	}
	.offer p {
		font-size: 16px;
	}
	.offer h2 {
		font-size: 43px;
	}
	footer {
		padding: 30px 22px;
		flex-wrap: wrap;
		font-size: 11px;
	}
	footer p {
		display: none;
	}
}
@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	*,
	*::before,
	*::after {
		animation: none !important;
		transition: none !important;
	}
}

.plate-controls {
	position: absolute;
	bottom: 35px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 14px;
}
.plate-controls button {
	border: 0;
	border-bottom: 1px solid #183e4340;
	background: none;
	color: var(--brain-muted);
	padding: 7px 9px;
	font-size: 11px;
}
.plate-controls button[aria-pressed="true"] {
	border-color: var(--brain-accent);
	color: var(--brain-accent);
}
.atlas-top {
	color: #f2ecdf;
}
.hero-art canvas {
	padding-bottom: 25px;
}

.demo-shell {
	grid-template-columns: minmax(0, 1.8fr) minmax(320px, 1fr);
}
#atlas-canvas {
	height: 700px;
}
.atlas-view {
	min-height: 790px;
}
.atlas-section {
	border-radius: 0;
}
.hero-art {
	isolation: isolate;
}
@media (max-width: 720px) {
	#atlas-canvas {
		height: 470px;
	}
	.atlas-view {
		min-height: 540px;
	}
}