:root {
  color-scheme: light;
  --ink: #10282a;
  --ink-soft: #365357;
  --paper: #f5f7f3;
  --surface: #ffffff;
  --line: #d6dfda;
  --teal: #1f6868;
  --teal-dark: #16494b;
  --mint: #cfe5db;
  --amber: #d8893d;
  --violet: #7b6aa5;
  --shadow: 0 24px 70px rgba(16, 40, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  width: min(1240px, calc(100% - 40px));
  min-height: 88px;
  margin: 0 auto;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand span {
  display: grid;
  line-height: 1.05;
}

.brand strong {
  font-size: 20px;
  letter-spacing: -0.03em;
}

.brand small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

nav {
  display: flex;
  margin-left: auto;
  gap: 24px;
}

nav a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--teal);
}

.language-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.language-switch button {
  min-width: 40px;
  min-height: 30px;
  padding: 0 9px;
  color: var(--ink-soft);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 11px;
  font-weight: 850;
  cursor: pointer;
}

.language-switch button + button {
  border-left: 1px solid var(--line);
}

.language-switch button.active {
  color: white;
  background: var(--teal-dark);
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  display: grid;
  width: min(1240px, calc(100% - 40px));
  min-height: 650px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: 70px;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: 7%;
  right: -22%;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(207, 229, 219, 0.88), rgba(207, 229, 219, 0) 68%);
  content: "";
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(52px, 6.6vw, 92px);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.hero-lead {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  margin-top: 34px;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 19px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--teal-dark);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--teal-dark);
  color: #fff;
}

.button.secondary {
  background: transparent;
  color: var(--teal-dark);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(22, 73, 75, 0.15);
}

.signal-card {
  overflow: hidden;
  border: 1px solid rgba(16, 40, 42, 0.16);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.signal-header,
.signal-footer {
  display: flex;
  padding: 18px 22px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 750;
}

.signal-header {
  border-bottom: 1px solid var(--line);
}

.signal-header strong {
  color: var(--ink);
}

.signal-grid {
  position: relative;
  height: 330px;
  background-image: linear-gradient(rgba(31, 104, 104, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 104, 104, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
}

.trace {
  position: absolute;
  left: 5%;
  width: 90%;
  height: 2px;
  background: var(--teal);
  filter: drop-shadow(0 2px 2px rgba(31, 104, 104, 0.15));
}

.trace-a {
  top: 44%;
  clip-path: polygon(0 48%, 15% 48%, 18% 35%, 20% 90%, 23% 3%, 26% 62%, 31% 48%, 50% 48%, 53% 36%, 55% 88%, 58% 7%, 61% 60%, 66% 48%, 84% 48%, 87% 36%, 89% 82%, 92% 14%, 95% 56%, 100% 48%);
  height: 120px;
  transform: translateY(-50%);
}

.trace-b {
  top: 70%;
  opacity: 0.22;
}

.stimulus {
  position: absolute;
  top: 20%;
  width: 2px;
  height: 60%;
  background: var(--amber);
  box-shadow: 0 0 0 5px rgba(216, 137, 61, 0.12);
}

.stimulus.one { left: 22%; }
.stimulus.two { left: 56%; }
.stimulus.three { left: 90%; }

.signal-footer {
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.signal-footer span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.signal-footer b {
  font: inherit;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot.accepted { background: var(--teal); }
.dot.local { background: var(--amber); }

.labs-section {
  padding: 100px max(20px, calc((100vw - 1240px) / 2));
  background: #10282a;
  color: #f8fbf8;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.section-heading h2,
.principles h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 68px);
  letter-spacing: -0.055em;
  line-height: 1;
}

.section-heading > p {
  max-width: 480px;
  margin: 0;
  color: #b9cbc6;
  line-height: 1.55;
}

.lab-track {
  margin-top: 58px;
  padding-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.track-heading {
  display: grid;
  grid-template-columns: minmax(220px, .6fr) minmax(280px, 1fr);
  align-items: end;
  gap: 48px;
}

.track-heading .eyebrow {
  margin-bottom: 9px;
  color: #8fc6b1;
}

.track-heading h3 {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: -.045em;
}

.track-heading > p {
  max-width: 620px;
  margin: 0;
  color: #b9cbc6;
  line-height: 1.55;
}

.lab-grid {
  display: grid;
  margin-top: 26px;
  gap: 18px;
}

.analysis-grid {
  grid-template-columns: 1fr;
}

.analysis-grid .lab-card {
  min-height: 420px;
}

.learning-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lab-card {
  display: flex;
  min-height: 530px;
  padding: 28px;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.045);
}

.lab-card.featured {
  background: #f5f7f3;
  color: var(--ink);
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.status {
  padding: 6px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status.beta { color: #8b531f; }
.status.experimental { color: #e6ab75; }
.status.ready { color: #8fc6b1; }
.status.external { color: #c4b7e2; }

.card-index {
  color: #8aa09b;
  font-variant-numeric: tabular-nums;
}

.lab-icon {
  position: relative;
  width: 72px;
  height: 72px;
  margin: 46px 0 28px;
  border: 1px solid currentColor;
  border-radius: 20px;
  color: var(--teal);
  opacity: 0.9;
}

.lab-card:not(.featured) .lab-icon {
  color: #92c5b7;
}

.lab-icon.electrophysiology span {
  position: absolute;
  top: 34px;
  left: 12px;
  width: 48px;
  height: 3px;
  background: currentColor;
  transform: rotate(-7deg);
}

.lab-icon.electrophysiology::after {
  position: absolute;
  top: 20px;
  left: 31px;
  width: 9px;
  height: 28px;
  border: 3px solid currentColor;
  border-width: 0 3px 3px 0;
  content: "";
  transform: skew(-18deg) rotate(34deg);
}

.lab-icon.psp span {
  position: absolute;
  top: 34px;
  left: 11px;
  width: 50px;
  height: 2px;
  background: currentColor;
}

.lab-icon.psp::before,
.lab-icon.psp::after {
  position: absolute;
  width: 17px;
  height: 17px;
  border: 3px solid currentColor;
  border-radius: 50%;
  content: "";
}

.lab-icon.psp::before { top: 13px; left: 12px; border-right-color: transparent; border-bottom-color: transparent; transform: rotate(38deg); }
.lab-icon.psp::after { right: 11px; bottom: 12px; border-left-color: transparent; border-top-color: transparent; transform: rotate(38deg); }

.lab-icon.cell::before,
.lab-icon.cell::after {
  position: absolute;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.lab-icon.cell::before {
  top: 25px;
  left: 25px;
  width: 20px;
  height: 20px;
}

.lab-icon.cell::after {
  top: 11px;
  left: 33px;
  width: 4px;
  height: 52px;
  box-shadow: -16px 15px 0 -1px currentColor, 16px 15px 0 -1px currentColor;
}

.lab-icon.topology span,
.lab-icon.topology::before,
.lab-icon.topology::after {
  position: absolute;
  width: 34px;
  height: 34px;
  border: 3px solid currentColor;
  border-radius: 50%;
  content: "";
}

.lab-icon.topology span { top: 17px; left: 8px; }
.lab-icon.topology::before { top: 17px; right: 8px; }
.lab-icon.topology::after { bottom: 8px; left: 18px; }

.lab-domain {
  margin: 0 0 8px;
  color: #91aaa3;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.featured .lab-domain {
  color: var(--teal);
}

.lab-card h3 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.lab-card > p:not(.lab-domain) {
  margin: 16px 0 0;
  color: #b9cbc6;
  line-height: 1.55;
}

.lab-card.featured > p:not(.lab-domain) {
  color: var(--ink-soft);
}

.lab-card ul {
  display: grid;
  margin: 22px 0 28px;
  padding: 0;
  gap: 8px;
  color: inherit;
  font-size: 13px;
  list-style: none;
}

.lab-card li::before {
  margin-right: 8px;
  color: #7fb29f;
  content: "•";
}

.card-link {
  display: flex;
  margin-top: auto;
  padding-top: 20px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid currentColor;
  color: inherit;
  font-weight: 800;
  text-decoration: none;
}

.card-link span {
  font-size: 22px;
}

.principles {
  display: grid;
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 110px 0;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 90px;
}

.principle-grid {
  display: grid;
  gap: 0;
}

.principle-grid article {
  display: grid;
  padding: 25px 0;
  grid-template-columns: 42px 170px 1fr;
  align-items: baseline;
  gap: 18px;
  border-top: 1px solid var(--line);
}

.principle-grid article:last-child {
  border-bottom: 1px solid var(--line);
}

.principle-grid span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
}

.principle-grid h3,
.principle-grid p {
  margin: 0;
}

.principle-grid p {
  color: var(--ink-soft);
  line-height: 1.55;
}

footer {
  display: flex;
  padding: 50px max(20px, calc((100vw - 1240px) / 2));
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  background: #e5ebe6;
}

footer strong {
  font-size: 20px;
}

footer p {
  max-width: 620px;
  margin: 8px 0 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a {
  color: var(--teal-dark);
  font-weight: 750;
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding: 90px 0;
    grid-template-columns: 1fr;
  }

  .signal-card {
    max-width: 720px;
  }

  .lab-grid {
    grid-template-columns: 1fr;
  }

  .lab-card {
    min-height: auto;
  }

  .principles {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 680px) {
  .site-header {
    width: min(100% - 28px, 1240px);
  }

  nav a:not(:last-child) {
    display: none;
  }

  .hero,
  .principles {
    width: min(100% - 28px, 1240px);
  }

  .hero {
    padding: 68px 0;
  }

  h1 {
    font-size: clamp(46px, 15vw, 68px);
  }

  .signal-grid {
    height: 240px;
  }

  .labs-section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .section-heading,
  .track-heading,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading {
    display: flex;
  }

  .track-heading {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  nav {
    display: none;
  }

  .principle-grid article {
    grid-template-columns: 36px 1fr;
  }

  .principle-grid p {
    grid-column: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}