:root {
  color-scheme: dark;
  --bg: #08131f;
  --surface: #102133;
  --text: #edf6ff;
  --soft: #c6d7ea;
  --muted: #a4b7ca;
  --line: #2a4054;
  --accent: #78ded2;
  --blue: #92bfff;
  --amber: #f5c985;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 6rem;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', ui-sans-serif, system-ui, sans-serif;
  line-height: 1.6;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  text-wrap: balance;
}
p {
  text-wrap: pretty;
}
a {
  color: inherit;
  text-underline-offset: 0.24em;
}
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
img {
  display: block;
  width: 100%;
  height: auto;
  outline: 1px solid rgba(255, 255, 255, 0.1);
  outline-offset: -1px;
}
.wrap {
  width: min(1200px, calc(100% - 3rem));
  margin-inline: auto;
}
.skip {
  position: absolute;
  inset-block-start: 0.5rem;
  inset-inline-start: 1rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-200%);
}
.skip:focus {
  transform: none;
}
.topbar {
  position: sticky;
  inset-block-start: 0;
  z-index: 5;
  background: var(--bg);
  border-block-end: 1px solid var(--line);
}
.topbar-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-weight: 700;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--accent);
  font-size: 0.8rem;
}
nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
}
nav a {
  padding-block: 0.7rem;
  color: var(--soft);
  text-decoration: none;
}
.eyebrow {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: 3rem;
  padding-block: 2.25rem 1.75rem;
}
h1 {
  margin-block: 0.8rem 1rem;
  font-size: clamp(2rem, 3.3vw, 2.7rem);
  line-height: 1.23;
  letter-spacing: -0.025em;
}
h1 span {
  display: block;
}
h1 .accent {
  color: var(--accent);
}
.lead {
  max-width: 49ch;
  color: var(--soft);
  font-size: 1.06rem;
}
.byline {
  margin-block-start: 1rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.byline strong {
  color: var(--text);
  font-weight: 600;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-block-start: 1.5rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.65rem 1.1rem;
  border-radius: 6px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  font-size: 0.92rem;
}
.product {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}
.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.9rem;
  color: var(--soft);
  font-size: 0.76rem;
}
.product-top span:last-child {
  color: var(--accent);
}
.image-link {
  display: block;
}
.image-link:focus-visible {
  outline-offset: -4px;
}
.product figcaption {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.3rem 0.75rem;
  padding: 0.7rem 0.9rem;
  color: var(--muted);
  font-size: 0.78rem;
}
.product figcaption a {
  color: var(--soft);
}
.workflow {
  padding-block: 1.25rem 2.75rem;
  border-block-end: 1px solid var(--line);
  scroll-margin-top: 0;
}
.workflow-intro {
  margin-block-end: 1.4rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}
.workflow-intro h2 {
  font-size: 1.03rem;
  font-weight: 600;
}
.workflow-intro p {
  color: var(--muted);
  font-size: 0.85rem;
}
.flow {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
  padding: 0;
  margin: 0;
}
.flow li {
  position: relative;
  min-width: 0;
}
.flow li:not(:last-child)::after {
  position: absolute;
  inset-inline-end: -1.55rem;
  inset-block-start: 1.9rem;
  color: var(--muted);
  content: '→';
  font-size: 1.3rem;
}
.step-number {
  color: var(--accent);
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
}
.flow h3 {
  margin-block: 0.25rem;
  font-size: 1.12rem;
  line-height: 1.4;
  text-wrap: pretty;
}
.flow p {
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 27ch;
}
.case-examples {
  margin-block-start: 2rem;
}
.case-examples h3 {
  font-size: 0.9rem;
  color: var(--soft);
  font-weight: 600;
}
.case-examples ul {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.case-examples li {
  min-width: 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.case-examples strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-block-end: 0.25rem;
}
.section {
  padding-block: 4.5rem;
  scroll-margin-top: 0;
}
.section-head {
  max-width: 66ch;
  margin-block-end: 2rem;
}
h2 {
  margin-block: 0.5rem 0.85rem;
  font-size: clamp(1.65rem, 2.8vw, 2.25rem);
  letter-spacing: -0.02em;
  line-height: 1.4;
}
.section-head > p:last-child {
  color: var(--soft);
}
.technical {
  margin-block-start: 1.5rem;
  font-size: 0.9rem;
  color: var(--soft);
}
.technical p {
  margin-block-start: 0.5rem;
  max-width: 75ch;
}
.technical h3 {
  font-size: 0.95rem;
  color: var(--text);
}
.proof-section {
  border-block: 1px solid var(--line);
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.proof-item {
  min-width: 0;
}
.proof-item .image-link {
  border-radius: 6px;
  overflow: hidden;
  margin-block-end: 1rem;
}
.proof-item img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top;
}
.proof-item h3 {
  font-size: 1.1rem;
  line-height: 1.4;
  margin-block: 0.4rem;
}
.proof-item p {
  color: var(--muted);
  font-size: 0.92rem;
}
.proof-item .eyebrow {
  color: var(--accent);
  font-size: 0.75rem;
}
.proof-item .image-caption {
  margin-block-start: 0.7rem;
  font-size: 0.78rem;
  color: var(--soft);
}
.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 3rem;
  align-items: center;
}
.demo-layout .section-head {
  margin: 0;
}
.video {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}
.video iframe {
  width: 100%;
  height: 100%;
  border: 0;
}
.demo-note {
  margin-block-start: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.project-choices {
  margin-top: 28px;
}
.case-cause {
  margin-block-start: 24px;
  padding-inline-start: 16px;
  border-inline-start: 2px solid var(--accent);
  max-width: 85ch;
  color: var(--soft);
}
.case-cause p {
  margin-block: 8px;
}
.component-path {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  color: var(--soft);
  font-size: 0.875rem;
  margin-block: 0 32px;
}
.component-path span {
  color: var(--accent);
}
.logic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}
.logic-modules {
  margin: 0;
  display: grid;
  gap: 24px;
}
.logic-modules dt {
  font-weight: 600;
  color: var(--text);
}
.logic-modules dd {
  margin: 6px 0 0;
  color: var(--soft);
  max-width: 66ch;
}
.closure-rules {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.closure-rules h3 {
  margin-block: 8px 16px;
}
.closure-rules ul {
  padding-inline-start: 20px;
  display: grid;
  gap: 12px;
}
.closure-rules p,
.closure-rules li {
  color: var(--soft);
}
.closure-rules .implementation-note {
  color: var(--muted);
  font-size: 0.875rem;
}
@media (max-width: 800px) {
  .logic-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
}
.project-choices h2 {
  font-size: 0.875rem;
  margin: 0 0 12px;
}
.project-choices ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.project-choices li {
  font-size: 0.875rem;
  color: var(--muted);
}
.project-choices strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}
@media (max-width: 600px) {
  .project-choices ul {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}
.about {
  padding-block: 3rem;
  border-block-start: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 3rem;
  scroll-margin-top: 0;
}
.about h2 {
  font-size: 1.65rem;
}
.about p {
  max-width: 60ch;
  color: var(--soft);
}
.decisions {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
}
.decisions li {
  padding-inline-start: 1rem;
  border-inline-start: 2px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}
.decisions strong {
  display: block;
  color: var(--text);
  font-weight: 600;
}
footer {
  padding-block: 1.25rem 2rem;
  color: var(--muted);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
@media (hover: hover) {
  nav a:hover,
  .text-link:hover {
    color: var(--accent);
  }
  .button:hover {
    background: #9beade;
  }
}
@media (max-width: 1000px) {
  .hero {
    gap: 1.5rem;
  }
  h1 {
    font-size: clamp(1.8rem, 3.7vw, 2.4rem);
  }
  .demo-layout {
    gap: 1.75rem;
  }
}
@media (max-width: 800px) {
  .hero,
  .demo-layout,
  .about {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-block: 2rem;
    gap: 1.75rem;
  }
  h1 {
    font-size: clamp(1.8rem, 6vw, 2.7rem);
  }
  .hero .product {
    max-width: 640px;
  }
  .workflow-intro {
    display: block;
  }
  .workflow-intro p {
    margin-block-start: 0.3rem;
  }
  .flow {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .flow li {
    padding-inline-start: 2.5rem;
  }
  .step-number {
    position: absolute;
    inset-inline-start: 0;
    inset-block-start: 0.25rem;
  }
  .flow li:not(:last-child)::after {
    content: '↓';
    inset-inline-start: 0.1rem;
    inset-inline-end: auto;
    inset-block-start: 2.1rem;
    font-size: 1rem;
  }
  .flow h3 {
    margin-block-start: 0;
  }
  .flow p {
    max-width: none;
  }
  .section {
    padding-block: 3rem;
  }
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .case-examples ul {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .proof-item {
    max-width: 640px;
  }
}
@media (max-width: 480px) {
  html {
    scroll-padding-top: 0;
  }
  .wrap {
    width: calc(100% - 2rem);
  }
  .topbar {
    position: static;
  }
  .topbar-inner {
    padding-block: 0.75rem;
    flex-wrap: wrap;
    gap: 0.3rem 0.8rem;
  }
  nav {
    gap: 1.25rem;
    font-size: 0.85rem;
  }
  .hero {
    padding-block-start: 1.5rem;
  }
  .eyebrow {
    font-size: 0.7rem;
    letter-spacing: 0.07em;
  }
  h1 {
    font-size: clamp(1.7rem, 7.3vw, 2rem);
  }
  .lead {
    font-size: 1rem;
  }
  .actions {
    gap: 0.5rem 1rem;
    margin-block-start: 1.1rem;
  }
  .product-top {
    font-size: 0.7rem;
  }
}
:root {
  --anatomy-frame-height: 340px;
}
.anatomy-frame {
  display: block;
  width: 100%;
  height: var(--anatomy-frame-height);
  border: 0;
}
.anatomy-connection {
  height: 880px;
}
.connection-boundaries {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}
@media (max-width: 600px) {
  .anatomy-connection {
    height: 1450px;
  }
  .connection-boundaries {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}
.system-figures {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 24px 0 32px;
  padding: 0;
  list-style: none;
}
.system-figures li {
  min-width: 0;
}
.system-figures h3 {
  font-size: 18px;
  line-height: 1.4;
  min-height: 2.8em;
  margin: 0 0 16px;
}
.system-figures h3 span {
  color: var(--muted);
}
.system-figures p {
  font-size: 14px;
  line-height: 1.6;
  margin: 14px 0 0;
}
@media (max-width: 800px) {
  :root {
    --anatomy-frame-height: 470px;
  }
  .system-figures {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .system-figures h3 {
    min-height: 0;
  }
}
@media (max-width: 480px) {
  :root {
    --anatomy-frame-height: 340px;
  }
}