:root {
  --background: #080b10;
  --background-raised: #0d1219;
  --surface: #111821;
  --surface-raised: #17202b;
  --surface-soft: rgba(255, 255, 255, 0.035);
  --text: #f4f7f6;
  --text-secondary: #aab5be;
  --text-tertiary: #74808b;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --mint: #7ce7c5;
  --mint-soft: rgba(124, 231, 197, 0.12);
  --blue: #73a7ff;
  --blue-soft: rgba(115, 167, 255, 0.12);
  --violet: #b391ff;
  --violet-soft: rgba(179, 145, 255, 0.12);
  --amber: #f3c56b;
  --amber-soft: rgba(243, 197, 107, 0.11);
  --rose: #ed8ba5;
  --rose-soft: rgba(237, 139, 165, 0.11);
  --cyan: #79d7ed;
  --cyan-soft: rgba(121, 215, 237, 0.11);
  --radius-small: 10px;
  --radius-medium: 18px;
  --radius-large: 28px;
  --shell: 1180px;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    var(--background);
  background-size: 48px 48px;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -4;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 11, 16, 0.12), var(--background) 62%);
  content: "";
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

code {
  font-family: var(--font-mono);
}

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 8px;
  background: var(--mint);
  color: #06100d;
  font-weight: 800;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.ambient {
  position: absolute;
  z-index: -3;
  border-radius: 999px;
  opacity: 0.8;
  pointer-events: none;
}

.ambient-one {
  top: -360px;
  left: 48%;
  width: 760px;
  height: 680px;
  background: radial-gradient(circle, rgba(93, 142, 236, 0.16), transparent 69%);
}

.ambient-two {
  top: 210px;
  right: 52%;
  width: 620px;
  height: 520px;
  background: radial-gradient(circle, rgba(76, 218, 178, 0.1), transparent 70%);
}

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 11, 16, 0.78);
  backdrop-filter: blur(18px);
}

.navigation {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand img {
  display: block;
}

.brand-surface {
  padding-left: 12px;
  border-left: 1px solid var(--border-strong);
  color: var(--text-tertiary);
  font-weight: 540;
}

.navigation nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.navigation nav a,
.site-footer nav a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 160ms ease;
}

.navigation nav a:hover,
.navigation nav a:focus-visible,
.site-footer nav a:hover,
.site-footer nav a:focus-visible {
  color: var(--text);
}

.hero {
  display: grid;
  min-height: 660px;
  align-items: center;
  gap: 72px;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  padding-block: 110px 96px;
}

.eyebrow,
.kicker {
  margin: 0 0 20px;
  color: var(--mint);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--mint);
  box-shadow: 0 0 0 5px var(--mint-soft);
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(58px, 7.2vw, 94px);
  font-weight: 750;
  letter-spacing: -0.067em;
  line-height: 0.97;
}

.hero-summary {
  max-width: 650px;
  margin: 32px 0 0;
  color: var(--text-secondary);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.65;
}

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

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 20px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  font-size: 14px;
  font-weight: 680;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.055);
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--mint);
  background: var(--mint);
  color: #07120e;
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: #a1f3d8;
  background: #a1f3d8;
}

.source-note {
  margin: 22px 0 0;
  color: var(--text-tertiary);
  font-size: 13px;
}

.source-note code {
  color: var(--text-secondary);
}

.architecture-console {
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-medium);
  background: rgba(13, 18, 25, 0.82);
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.38);
}

.console-bar {
  display: flex;
  height: 46px;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.025);
}

.console-bar > span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #3c4650;
}

.console-bar > span:first-child {
  background: var(--rose);
}

.console-bar > span:nth-child(2) {
  background: var(--amber);
}

.console-bar > span:nth-child(3) {
  background: var(--mint);
}

.console-bar code {
  margin-left: auto;
  color: var(--text-tertiary);
  font-size: 11px;
}

.architecture-console dl {
  margin: 0;
  padding: 14px 28px;
}

.architecture-console dl div {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.architecture-console dl div:last-child {
  border-bottom: 0;
}

.architecture-console dt {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
}

.architecture-console dd {
  margin: 0;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.05em;
}

.console-state {
  display: flex;
  min-height: 52px;
  align-items: center;
  gap: 9px;
  padding: 0 28px;
  border-top: 1px solid var(--border);
  background: var(--mint-soft);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
}

.console-state span {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--mint);
  box-shadow: 0 0 10px var(--mint);
}

.principle-strip {
  border-block: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.018);
}

.principle-strip .shell {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.principle-strip p {
  display: flex;
  min-height: 84px;
  align-items: center;
  gap: 15px;
  margin: 0;
  padding-inline: 28px;
  border-right: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
}

.principle-strip p:first-child {
  padding-left: 0;
}

.principle-strip p:last-child {
  border-right: 0;
}

.principle-strip span {
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
}

.section {
  padding-block: 120px;
}

.section-heading {
  display: grid;
  align-items: end;
  gap: 60px;
  grid-template-columns: minmax(0, 1.12fr) minmax(330px, 0.88fr);
  margin-bottom: 58px;
}

.section-heading h2,
.generation-panel h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(38px, 5.2vw, 62px);
  font-weight: 720;
  letter-spacing: -0.052em;
  line-height: 1.04;
}

.section-heading > p,
.generation-panel > div > p:not(.kicker) {
  margin: 0;
  color: var(--text-secondary);
  font-size: 17px;
}

.boundary-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.boundary-card {
  position: relative;
  min-height: 410px;
  padding: 32px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  background: linear-gradient(145deg, var(--surface-raised), var(--background-raised));
}

.boundary-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--mint);
  content: "";
  opacity: 0.8;
}

.boundary-supplies::before {
  background: var(--blue);
}

.boundary-defers::before {
  background: var(--rose);
}

.boundary-kicker,
.layer-state {
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.boundary-supplies .boundary-kicker {
  color: var(--blue);
}

.boundary-defers .boundary-kicker {
  color: var(--rose);
}

.boundary-card h3 {
  margin: 22px 0 16px;
  font-size: 27px;
  letter-spacing: -0.035em;
}

.boundary-card > p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.boundary-card ul {
  display: grid;
  gap: 13px;
  margin: 28px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--border);
  list-style: none;
}

.boundary-card li {
  position: relative;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 13px;
}

.boundary-card li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 99px;
  background: currentColor;
  content: "";
}

.layer-section {
  padding-top: 40px;
}

.layer-list {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  background: var(--background-raised);
}

.layer-card {
  display: grid;
  min-height: 162px;
  align-items: stretch;
  border-bottom: 1px solid var(--border);
  grid-template-columns: 100px 1fr;
}

.layer-card:last-child {
  border-bottom: 0;
}

.layer-index {
  display: grid;
  place-items: center;
  border-right: 1px solid var(--border);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 12px;
}

.layer-copy {
  display: grid;
  align-items: center;
  gap: 34px;
  grid-template-columns: minmax(170px, 0.65fr) minmax(260px, 1.35fr) minmax(240px, 0.9fr);
  padding: 26px 32px;
}

.layer-copy h3 {
  margin: 5px 0 0;
  font-size: 20px;
  letter-spacing: -0.025em;
}

.layer-copy > p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.component-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.component-list code {
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-soft);
  color: var(--text-secondary);
  font-size: 10px;
}

.graph-section {
  border-block: 1px solid var(--border);
  background:
    radial-gradient(circle at 50% 20%, rgba(115, 167, 255, 0.07), transparent 42%),
    rgba(255, 255, 255, 0.012);
}

.graph-frame {
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-medium);
  background: rgba(8, 12, 17, 0.92);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.3);
}

.graph-toolbar {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-inline: 22px;
  border-bottom: 1px solid var(--border);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.direction {
  color: var(--text-secondary);
}

.direction i {
  margin-inline: 8px;
  color: var(--mint);
  font-style: normal;
}

.graph-scroll {
  width: 100%;
  padding: 18px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.graph-scroll:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -4px;
}

.architecture-graph {
  display: block;
  min-width: 1220px;
  width: 100%;
  height: auto;
}

.graph-edges path {
  fill: none;
  marker-end: url("#arrow");
  stroke: rgba(170, 185, 196, 0.22);
  stroke-width: 1.2;
  transition: opacity 160ms ease, stroke 160ms ease, stroke-width 160ms ease;
}

.architecture-graph marker path {
  fill: rgba(170, 185, 196, 0.5);
}

.graph-node {
  outline: none;
  transition: opacity 160ms ease;
}

.graph-node rect {
  fill: #121a23;
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 1;
  transition: fill 160ms ease, stroke 160ms ease, stroke-width 160ms ease;
}

.graph-node:hover rect,
.graph-node:focus rect,
.graph-node.is-focused rect {
  fill: #1b2632;
  stroke: var(--mint);
  stroke-width: 2;
}

.graph-node.category-identity rect {
  stroke: rgba(124, 231, 197, 0.42);
}

.graph-node.category-knowledge rect {
  stroke: rgba(115, 167, 255, 0.42);
}

.graph-node.category-domain rect {
  stroke: rgba(179, 145, 255, 0.42);
}

.graph-node.category-foundation rect {
  stroke: rgba(243, 197, 107, 0.42);
}

.graph-node.category-experience rect {
  stroke: rgba(237, 139, 165, 0.42);
}

.graph-node.category-meta rect {
  stroke: rgba(121, 215, 237, 0.42);
}

.node-title {
  fill: var(--text);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 650;
}

.node-meta {
  fill: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 8px;
}

.architecture-graph.has-focus .graph-node:not(.is-connected),
.architecture-graph.has-focus .graph-edges path:not(.is-connected),
.graph-node.is-filtered {
  opacity: 0.15;
}

.graph-edges path.is-connected {
  stroke: var(--mint);
  stroke-width: 2;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.filter-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 9px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.filter-button span {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 10px;
}

.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active {
  border-color: rgba(124, 231, 197, 0.45);
  background: var(--mint-soft);
  color: var(--mint);
}

.document-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.document-card {
  position: relative;
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  background: linear-gradient(145deg, var(--surface), var(--background-raised));
  scroll-margin-top: 100px;
}

.document-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--mint);
  content: "";
}

.document-card.category-knowledge::before {
  background: var(--blue);
}

.document-card.category-domain::before {
  background: var(--violet);
}

.document-card.category-foundation::before {
  background: var(--amber);
}

.document-card.category-experience::before {
  background: var(--rose);
}

.document-card.category-meta::before {
  background: var(--cyan);
}

.document-card[hidden] {
  display: none;
}

.document-card-top,
.document-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.category-label,
.document-version {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.document-card h3 {
  margin: 28px 0 12px;
  font-size: 25px;
  letter-spacing: -0.035em;
}

.document-card > p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.dependency-list {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.dependency-list > span {
  display: block;
  margin-bottom: 8px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dependency-list > div {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 12px;
}

.dependency-list a,
.root-document {
  color: var(--text-secondary);
  font-size: 11px;
  text-transform: capitalize;
}

.dependency-list a:hover,
.dependency-list a:focus-visible {
  color: var(--mint);
}

.document-card-footer {
  margin-top: auto;
  padding-top: 24px;
}

.document-card-footer code {
  overflow: hidden;
  color: var(--text-tertiary);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-card-footer a {
  flex: 0 0 auto;
  color: var(--mint);
  font-size: 11px;
  font-weight: 650;
}

.generation-section {
  padding-top: 40px;
}

.generation-panel {
  display: grid;
  gap: 48px 64px;
  padding: 56px;
  border: 1px solid rgba(124, 231, 197, 0.22);
  border-radius: var(--radius-large);
  background:
    linear-gradient(135deg, rgba(124, 231, 197, 0.07), transparent 52%),
    var(--background-raised);
  grid-template-columns: 1.1fr 0.9fr;
}

.generation-panel ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.generation-panel li {
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
}

.generation-panel li:last-child {
  border-bottom: 0;
}

.generation-panel li span {
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 10px;
}

.generation-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  grid-column: 1 / -1;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.generation-links a {
  color: var(--text-secondary);
  font-size: 13px;
}

.generation-links a:hover,
.generation-links a:focus-visible {
  color: var(--mint);
}

.site-footer {
  margin-top: 20px;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.012);
}

.footer-grid {
  display: grid;
  min-height: 210px;
  align-items: center;
  gap: 34px;
  grid-template-columns: 1fr auto;
}

.footer-grid > div > p,
.footer-grid > p {
  margin: 8px 0 0;
  color: var(--text-tertiary);
  font-size: 12px;
}

.footer-grid > p {
  grid-column: 1 / -1;
  margin-top: -44px;
}

.footer-grid > p code {
  color: var(--text-secondary);
}

@media (max-width: 980px) {
  .navigation nav a:nth-child(-n + 3) {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 100px 80px;
  }

  .architecture-console {
    max-width: 650px;
  }

  .section-heading {
    align-items: start;
    gap: 26px;
    grid-template-columns: 1fr;
  }

  .boundary-grid,
  .document-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .boundary-card:last-child {
    grid-column: 1 / -1;
    min-height: 330px;
  }

  .layer-copy {
    grid-template-columns: 0.65fr 1.35fr;
  }

  .component-list {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(calc(100% - 32px), var(--shell));
  }

  .navigation {
    min-height: 64px;
  }

  .brand-surface,
  .navigation nav a:last-child {
    display: none;
  }

  .navigation nav {
    gap: 18px;
  }

  .hero {
    gap: 52px;
    padding-top: 78px;
  }

  .hero h1 {
    font-size: clamp(52px, 16vw, 76px);
  }

  .principle-strip .shell {
    grid-template-columns: 1fr;
  }

  .principle-strip p,
  .principle-strip p:first-child {
    min-height: 58px;
    padding-inline: 0;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .principle-strip p:last-child {
    border-bottom: 0;
  }

  .section {
    padding-block: 88px;
  }

  .boundary-grid,
  .document-grid {
    grid-template-columns: 1fr;
  }

  .boundary-card,
  .boundary-card:last-child {
    min-height: auto;
    grid-column: auto;
  }

  .layer-card {
    grid-template-columns: 58px 1fr;
  }

  .layer-copy {
    gap: 20px;
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .component-list {
    grid-column: auto;
  }

  .graph-toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding-block: 14px;
  }

  .generation-panel {
    gap: 42px;
    padding: 36px 26px;
    grid-template-columns: 1fr;
  }

  .generation-links {
    grid-column: auto;
  }

  .footer-grid {
    align-items: start;
    grid-template-columns: 1fr;
    padding-block: 54px;
  }

  .site-footer nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .footer-grid > p {
    grid-column: auto;
    margin-top: 0;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .architecture-console dl {
    padding-inline: 20px;
  }

  .filter-row {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-button {
    justify-content: space-between;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}