:root {
  --bg: #f8f9f5;
  --paper: #fff;
  --ink: #20251c;
  --muted: #72776d;
  --line: #daddd2;
  --green: #d7ef83;
  --green-dark: #486030;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Arial, Helvetica, sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 36px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
a,
button {
  -webkit-tap-highlight-color: transparent;
}
button,
a {
  touch-action: manipulation;
}
button:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--green-dark);
  outline-offset: 5px;
}
::selection {
  background: var(--green);
}
.wrap {
  width: min(1184px, calc(100% - 96px));
  margin-inline: auto;
}
.mono,
.eyebrow {
  font-family: var(--mono);
}
.small {
  font-size: 11px;
}
.muted {
  color: var(--muted);
}
.eyebrow {
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 1.35px;
  font-weight: 400;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-dark);
  flex: none;
}
.site-header {
  height: 101px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 31px;
  font-weight: 600;
  letter-spacing: -1.7px;
}
.brand svg {
  width: 29px;
  height: 29px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.3;
  stroke-linecap: square;
  stroke-linejoin: round;
}
.site-header nav {
  display: flex;
  gap: 36px;
  align-items: center;
  font-size: 12px;
}
.site-header nav a:hover,
.text-link:hover,
.site-footer a:hover {
  color: var(--green-dark);
}
.nav-source span {
  margin-left: 10px;
}
.hero {
  padding-top: 71px;
}
.hero .eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1 {
  font-size: clamp(54px, 6.2vw, 83px);
  font-weight: 400;
  letter-spacing: -5px;
  line-height: 1.04;
  margin: 27px 0 29px;
}
h1 > span {
  color: var(--muted);
}
.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
}
.intro {
  font-size: 17px;
  line-height: 1.65;
  color: #5e6458;
  letter-spacing: -0.25px;
}
.hero-action {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: flex-end;
  padding-bottom: 3px;
}
.hero-action .small {
  font-size: 10px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
  padding: 16px 22px;
  min-height: 50px;
  font-size: 13px;
  transition:
    background 0.18s,
    transform 0.18s;
}
.button:hover {
  transform: translateY(-2px);
  background: #3b4632;
}
.button-dark {
  background: var(--ink);
  color: #fff;
}
.button span {
  font-size: 18px;
}
.architecture {
  margin-top: 49px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.diagram-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}
.diagram-toolbar h2 {
  font-weight: 400;
}
.diagram-caption {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.6px;
}
.scenario-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
}
.scenario-tabs button {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 15px 23px;
  font-size: 11px;
  cursor: pointer;
  color: #62685c;
  position: relative;
}
.scenario-tabs button[aria-selected="true"] {
  background: #eff4e4;
  color: var(--ink);
}
.scenario-tabs button[aria-selected="true"]:after {
  position: absolute;
  content: "";
  height: 2px;
  bottom: -1px;
  left: 0;
  right: 0;
  background: var(--green-dark);
}
.scenario-tabs button:hover {
  background: #f1f4eb;
}
.tab-index {
  font-family: var(--mono);
  margin-right: 14px;
  font-size: 9px;
  color: var(--muted);
}
.connection-canvas {
  display: grid;
  grid-template-columns: 1fr 0.54fr 1.27fr 0.54fr 1fr;
  align-items: center;
  padding: 39px 44px 34px;
  background-image: radial-gradient(#dfe2d8 0.7px, transparent 0.7px);
  background-size: 12px 12px;
  min-height: 237px;
}
.system-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid #d8dcd1;
  padding: 16px 8px 18px;
  min-height: 151px;
  gap: 9px;
  text-align: center;
}
.node-icon {
  font-size: 23px;
  line-height: 25px;
  color: #6d7564;
  font-family: var(--mono);
}
.node-icon-api {
  font-size: 19px;
}
.node-kind {
  font-size: 8px;
  letter-spacing: 0.8px;
  color: var(--muted);
}
.system-node strong {
  font-size: 14px;
  font-weight: 500;
}
.system-node > span:last-child {
  font-size: 10px;
  color: var(--muted);
}
.connector {
  position: relative;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  margin-top: 21px;
}
.connector > span {
  font-family: var(--mono);
  font-size: 8px;
  color: var(--muted);
  margin-bottom: 11px;
}
.connector i {
  display: block;
  height: 1px;
  background: #a8b19d;
  position: relative;
}
.connector-in i:after,
.connector-out i:before {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-top: 1px solid #a8b19d;
  border-right: 1px solid #a8b19d;
  top: -2px;
}
.connector-in i:after {
  right: 0;
  transform: rotate(45deg);
}
.connector-out i:before {
  left: 0;
  transform: rotate(225deg);
}
.plug-node {
  background: var(--green);
  border: 1px solid #b6cf72;
  padding: 21px 12px 17px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 13px;
  text-align: center;
  box-shadow: 0 4px 0 #d8dfcd;
  min-height: 162px;
}
.plug-node .node-kind {
  color: #465f2a;
  font-size: 8px;
}
.plug-node > strong {
  font-size: 17px;
  letter-spacing: -0.4px;
  font-weight: 500;
}
.pattern-line {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 10px;
  color: #5d713f;
}
.mini-node {
  background: #f5f9e9;
  border: 1px solid #b6c88e;
  padding: 6px 12px;
  color: #425132;
  font-family: var(--mono);
  font-size: 9px;
}
.pattern-detail {
  font-family: var(--mono);
  font-size: 8px;
  color: #526635;
}
.diagram-reason {
  padding: 19px 23px;
  display: flex;
  gap: 13px;
  border-top: 1px solid var(--line);
  align-items: flex-start;
  background: #fcfdf9;
  min-height: 89px;
}
.reason-mark {
  color: var(--green-dark);
  font-size: 22px;
  line-height: 24px;
}
.diagram-reason strong {
  font-size: 12px;
  font-weight: 500;
}
.diagram-reason p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.65;
  max-width: 690px;
  margin-top: 5px;
}
.example-label {
  font-size: 8px;
  white-space: nowrap;
  margin-left: auto;
  color: var(--muted);
  padding-top: 4px;
}
.diagram-footnote {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 23px;
  font-size: 9px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.diagram-footnote .status-dot {
  width: 4px;
  height: 4px;
  background: #929b85;
}
.hero-facts {
  display: flex;
  justify-content: space-between;
  padding: 22px 0 0;
  font-size: 9px;
  color: #727a68;
}
.hero-facts span:before {
  content: "+";
  margin-right: 10px;
  color: var(--green-dark);
}
.section-space {
  padding-block: 102px;
}
.section-heading > .eyebrow {
  display: block;
  margin-bottom: 27px;
}
h2 {
  font-size: clamp(31px, 3.1vw, 42px);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -1.8px;
}
h3 {
  font-weight: 500;
}
.problem-section {
  padding-top: 109px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 46px;
  gap: 46px;
}
.problem-grid article + article {
  border-left: 1px solid var(--line);
  padding-left: 30px;
}
.problem-symbol {
  display: block;
  font-size: 30px;
  line-height: 34px;
  margin-bottom: 20px;
  font-family: var(--mono);
  font-weight: 300;
}
.problem-grid h3 {
  font-size: 16px;
  margin-bottom: 12px;
  letter-spacing: -0.35px;
}
.problem-grid p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 270px;
}
.section-note {
  font-size: 13px;
  margin-top: 47px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.section-note strong {
  font-weight: 400;
  color: var(--ink);
}
.how-section {
  background: #edf0e6;
  border-top: 1px solid #e0e4d7;
  border-bottom: 1px solid #e0e4d7;
}
.split-heading {
  display: flex;
  justify-content: space-between;
  gap: 50px;
  align-items: flex-end;
}
.split-heading > p {
  max-width: 338px;
  font-size: 14px;
  line-height: 1.8;
  color: #69705f;
}
.derivation-diagram {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  margin: 46px 0 0;
  padding: 0;
  border: 1px solid #cdd5c1;
}
.derivation-diagram li {
  padding: 27px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.36);
}
.derivation-diagram li + li {
  border-left: 1px solid #cdd5c1;
}
.derivation-diagram li:not(:last-child):after {
  content: "→";
  position: absolute;
  right: -12px;
  top: 49%;
  width: 23px;
  height: 23px;
  background: #edf0e6;
  border: 1px solid #cdd5c1;
  border-radius: 50%;
  text-align: center;
  font-size: 13px;
  line-height: 21px;
  z-index: 1;
  color: #6a7858;
}
.step-label {
  font-size: 8px;
  letter-spacing: 0.7px;
  color: #748066;
}
.derivation-diagram h3 {
  font-size: 17px;
  margin: 24px 0 12px;
  letter-spacing: -0.4px;
}
.derivation-diagram p {
  font-size: 12px;
  line-height: 1.85;
  color: #707765;
  flex: 1;
}
.step-tag {
  display: block;
  margin-top: 26px;
  padding-top: 17px;
  border-top: 1px solid #d4dccb;
  font-size: 8px;
  color: #5f6e50;
  line-height: 1.5;
}
.engine-bottom {
  display: flex;
  justify-content: space-between;
  gap: 35px;
  margin-top: 28px;
  align-items: center;
}
.engine-bottom p {
  font-size: 11px;
  line-height: 1.8;
  color: #727b66;
  max-width: 540px;
}
.text-link {
  font-size: 12px;
  display: inline-flex;
  gap: 16px;
  align-items: center;
  border-bottom: 1px solid #aeb6a3;
  padding-bottom: 7px;
}
.engine-bottom .text-link {
  white-space: nowrap;
  font-size: 11px;
}
.agent-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-block: 111px;
}
.agent-copy h2,
.start-copy h2 {
  margin: 25px 0;
}
.agent-copy p,
.start-copy p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 365px;
  margin-bottom: 15px;
}
.agent-copy .text-link {
  margin-top: 12px;
}
.agent-artifact {
  border: 1px solid var(--line);
  background: #fff;
}
.artifact-bar {
  padding: 17px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 9px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}
.artifact-bar > span:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
}
.file-tree {
  padding: 25px 24px;
  font-size: 12px;
  line-height: 2.8;
}
.file-tree div {
  display: flex;
  gap: 8px;
  white-space: nowrap;
}
.file-tree div > span {
  color: #b0b7a6;
}
.file-tree em {
  font-size: 9px;
  margin-left: auto;
  font-style: normal;
  color: #87907c;
}
.agent-loop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 2px 24px 0;
}
.agent-loop > span:not(.loop-arrow) {
  padding: 10px 12px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  background: #f8faf4;
}
.agent-loop > span:first-child {
  background: #edf5d7;
  border-color: #c7d7ab;
}
.loop-arrow {
  color: #7a8867;
  font-size: 18px;
}
.artifact-note {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--muted);
  text-align: center;
  padding: 18px 10px 24px;
}
.agent-compat {
  border-top: 1px solid var(--line);
  padding: 14px 20px;
  text-align: center;
  font-size: 8px;
  letter-spacing: 0.2px;
  color: var(--muted);
}
.start-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.start-copy .text-link {
  margin-top: 14px;
}
.quickstart {
  background: #eef0e8;
  border: 1px solid var(--line);
}
.terminal-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 9px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}
.terminal-header button {
  border: 0;
  background: transparent;
  font-family: var(--mono);
  font-size: 10px;
  padding: 6px 0 6px 12px;
  cursor: pointer;
  color: #455337;
  min-width: 60px;
  text-align: right;
}
.terminal-header button:hover {
  color: #151e0c;
}
.terminal-header button span {
  margin-left: 8px;
}
.quickstart pre {
  padding: 23px 22px;
  margin: 0;
  overflow-x: auto;
  line-height: 2.15;
  font-size: 11px;
  white-space: pre;
  tab-size: 2;
}
.quickstart code {
  font-family: var(--mono);
}
.terminal-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 9px;
  color: #6e785f;
  border-top: 1px solid var(--line);
}
.terminal-footer code {
  font-size: 9px;
}
.setup-note {
  padding: 15px 22px;
  background: var(--bg);
  border-top: 1px solid var(--line);
  font-size: 10px;
  line-height: 1.6;
  color: var(--muted);
}
.project-section {
  border-top: 1px solid var(--line);
}
.project-section .split-heading h2 {
  font-size: 35px;
  max-width: 620px;
}
.project-section .split-heading > p {
  font-size: 12px;
}
.project-section .section-heading {
  margin-bottom: 39px;
}
.project-row {
  display: grid;
  grid-template-columns: 35px 1.05fr 1fr 20px;
  gap: 22px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding: 27px 4px;
  transition: background 0.15s;
}
.project-row:hover {
  background: #edf2e5;
}
.project-row > .mono {
  font-size: 10px;
}
.project-row h3 {
  font-size: 15px;
  letter-spacing: -0.3px;
}
.project-row p {
  font-size: 12px;
  color: var(--muted);
}
.project-row > span:last-child {
  text-align: right;
}
.project-status {
  display: flex;
  gap: 40px;
  padding: 25px 4px 0;
  border-top: 1px solid var(--line);
  align-items: flex-start;
}
.status-label {
  display: flex;
  gap: 8px;
  align-items: center;
  white-space: nowrap;
  font-size: 8px;
  padding-top: 5px;
  color: #637253;
}
.project-status p {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 800px;
}
.closing {
  background: var(--green);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 44px 48px;
  margin-bottom: 62px;
  gap: 35px;
}
.closing .eyebrow {
  font-size: 8px;
  color: #56633e;
}
.closing h2 {
  margin-top: 19px;
  font-size: 40px;
  letter-spacing: -1.8px;
}
.closing .button {
  flex: none;
}
.site-footer {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 25px 0 34px;
  border-top: 1px solid var(--line);
}
.site-footer .brand {
  font-size: 25px;
}
.site-footer .brand svg {
  width: 23px;
  height: 23px;
}
.site-footer .small {
  font-size: 9px;
}
.site-footer > div {
  display: flex;
  gap: 30px;
  margin-left: auto;
  font-size: 10px;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  padding: 12px;
  background: var(--ink);
  color: white;
  z-index: 9;
  transform: translateY(-200%);
}
.skip-link:focus {
  transform: translateY(0);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@media (min-width: 1500px) {
  .hero {
    padding-top: 83px;
  }
  h1 {
    font-size: 88px;
  }
  .hero-bottom {
    margin-top: 35px;
  }
}
@media (max-width: 1000px) {
  .wrap {
    width: calc(100% - 64px);
  }
  h1 {
    font-size: 66px;
    letter-spacing: -4px;
  }
  .intro {
    font-size: 15px;
  }
  .desktop-break {
    display: none;
  }
  .intro {
    max-width: 450px;
  }
  .hero-action {
    flex: none;
  }
  .hero-action .small {
    font-size: 8px;
  }
  .connection-canvas {
    padding: 30px 23px;
  }
  .system-node strong {
    font-size: 12px;
  }
  .system-node > span:last-child {
    font-size: 9px;
  }
  .plug-node > strong {
    font-size: 15px;
  }
  .connector > span {
    font-size: 7px;
  }
  .diagram-reason p {
    max-width: 560px;
  }
  .example-label {
    display: none;
  }
  .problem-grid {
    gap: 25px;
  }
  .problem-grid article + article {
    padding-left: 24px;
  }
  .derivation-diagram li {
    padding: 24px 17px;
  }
  .derivation-diagram h3 {
    font-size: 15px;
  }
  .derivation-diagram p {
    font-size: 11px;
  }
  .step-tag {
    font-size: 7px;
  }
  .agent-section,
  .start-section {
    gap: 35px;
  }
  .file-tree {
    font-size: 10px;
    padding: 22px 16px;
  }
  .file-tree em {
    font-size: 8px;
  }
  .agent-loop {
    margin-inline: 16px;
    gap: 8px;
  }
  .agent-loop > span:not(.loop-arrow) {
    font-size: 8px;
    padding: 10px;
  }
  .quickstart pre {
    font-size: 9px;
    padding: 23px 17px;
  }
  .project-row {
    grid-template-columns: 25px 1fr 1fr 18px;
    gap: 17px;
  }
  .project-row h3 {
    font-size: 14px;
  }
  .project-row p {
    font-size: 11px;
  }
  .project-section .split-heading h2 {
    font-size: 31px;
  }
}
@media (max-width: 700px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    height: 80px;
  }
  .brand {
    font-size: 28px;
  }
  .brand svg {
    width: 25px;
    height: 25px;
  }
  .site-header nav {
    gap: 20px;
    font-size: 11px;
  }
  .site-header nav a:nth-child(2) {
    display: none;
  }
  .hero {
    padding-top: 45px;
  }
  .eyebrow {
    font-size: 8px;
    letter-spacing: 0.8px;
  }
  h1 {
    font-size: clamp(39px, 8.5vw, 59px);
    letter-spacing: -2.7px;
    line-height: 1.08;
    margin-top: 23px;
  }
  .hero-bottom {
    display: block;
  }
  .intro {
    font-size: 15px;
    max-width: 420px;
  }
  .hero-action {
    align-items: flex-start;
    gap: 14px;
    margin-top: 25px;
  }
  .hero-action .small {
    font-size: 9px;
  }
  .button {
    padding: 14px 20px;
    font-size: 12px;
    min-height: 47px;
  }
  .architecture {
    margin-top: 34px;
  }
  .diagram-toolbar {
    padding: 15px;
  }
  .diagram-toolbar h2 {
    font-size: 10px;
  }
  .diagram-caption {
    font-size: 7px;
  }
  .scenario-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
  .scenario-tabs button {
    padding: 13px 7px;
    font-size: 9px;
    text-align: center;
    line-height: 1.6;
  }
  .scenario-tabs button:last-child {
    border-right: 0;
  }
  .tab-index {
    display: none;
  }
  .connection-canvas {
    grid-template-columns: 1fr;
    justify-items: center;
    padding: 27px 20px;
    min-height: 0;
  }
  .system-node {
    width: 100%;
    max-width: 290px;
    min-height: 112px;
    padding: 14px 8px;
    gap: 6px;
  }
  .node-icon {
    display: none;
  }
  .system-node strong {
    font-size: 14px;
  }
  .system-node > span:last-child {
    font-size: 10px;
  }
  .node-kind {
    font-size: 8px;
  }
  .plug-node {
    width: 100%;
    max-width: 290px;
    min-height: 151px;
    padding: 17px 15px;
    gap: 11px;
  }
  .plug-node > strong {
    font-size: 17px;
  }
  .connector {
    height: 42px;
    width: 1px;
    background: #b3bda7;
    align-self: auto;
    margin: 0;
    display: block;
    position: relative;
  }
  .connector i {
    display: none;
  }
  .connector > span {
    display: block;
    position: absolute;
    top: 15px;
    left: 12px;
    font-size: 8px;
    white-space: nowrap;
  }
  .connector:after {
    content: "";
    position: absolute;
    width: 5px;
    height: 5px;
    border-top: 1px solid #9ba98b;
    border-right: 1px solid #9ba98b;
    left: -2px;
  }
  .connector-in:after {
    bottom: 1px;
    transform: rotate(135deg);
  }
  .connector-out:after {
    top: 1px;
    transform: rotate(-45deg);
  }
  .diagram-reason {
    padding: 17px 15px;
    gap: 10px;
  }
  .diagram-reason strong {
    font-size: 11px;
    line-height: 1.6;
    display: block;
  }
  .diagram-reason p {
    font-size: 10px;
    line-height: 1.8;
    margin-top: 4px;
  }
  .diagram-footnote {
    padding: 11px 15px;
    font-size: 8px;
    line-height: 1.7;
    align-items: flex-start;
  }
  .diagram-footnote .status-dot {
    margin-top: 5px;
  }
  .hero-facts {
    display: flex;
    flex-direction: column;
    gap: 13px;
    font-size: 9px;
    padding-top: 22px;
  }
  .section-space {
    padding-block: 68px;
  }
  h2 {
    font-size: 34px;
    letter-spacing: -1.4px;
  }
  .problem-section {
    padding-top: 72px;
  }
  .section-heading > .eyebrow {
    margin-bottom: 20px;
  }
  .problem-grid {
    grid-template-columns: 1fr;
    margin-top: 31px;
    gap: 25px;
  }
  .problem-grid article {
    display: grid;
    grid-template-columns: 30px 1fr;
    column-gap: 18px;
  }
  .problem-grid article + article {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 25px;
  }
  .problem-symbol {
    grid-row: 1/3;
    margin: 0;
    font-size: 25px;
  }
  .problem-grid h3 {
    font-size: 16px;
    margin-bottom: 7px;
  }
  .problem-grid p {
    max-width: 100%;
    font-size: 13px;
  }
  .section-note {
    margin-top: 30px;
    font-size: 12px;
    line-height: 1.9;
  }
  .split-heading {
    display: block;
  }
  .split-heading > p {
    margin-top: 20px;
    font-size: 13px;
    max-width: 100%;
  }
  .derivation-diagram {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }
  .derivation-diagram li {
    padding: 25px;
  }
  .derivation-diagram li + li {
    border-left: 0;
    border-top: 1px solid #cdd5c1;
  }
  .derivation-diagram li:not(:last-child):after {
    top: auto;
    bottom: -12px;
    right: calc(50% - 12px);
    transform: rotate(90deg);
  }
  .derivation-diagram h3 {
    font-size: 18px;
    margin: 17px 0 10px;
  }
  .derivation-diagram p {
    font-size: 12px;
  }
  .step-label {
    font-size: 9px;
  }
  .step-tag {
    font-size: 8px;
    margin-top: 18px;
    padding-top: 13px;
  }
  .engine-bottom {
    display: block;
    margin-top: 24px;
  }
  .engine-bottom p {
    font-size: 12px;
  }
  .engine-bottom .text-link {
    margin-top: 23px;
  }
  .agent-section,
  .start-section {
    grid-template-columns: 1fr;
    gap: 33px;
  }
  .agent-copy h2,
  .start-copy h2 {
    margin: 20px 0;
  }
  .agent-copy p,
  .start-copy p {
    max-width: 100%;
    font-size: 13px;
  }
  .file-tree {
    font-size: 11px;
    padding: 24px 18px;
  }
  .file-tree em {
    font-size: 9px;
  }
  .agent-loop {
    margin-inline: 18px;
  }
  .agent-loop > span:not(.loop-arrow) {
    font-size: 9px;
  }
  .quickstart pre {
    font-size: clamp(8px, 2.5vw, 12px);
    padding: 22px 17px;
  }
  .project-section .split-heading h2 {
    font-size: 30px;
  }
  .project-section .split-heading > p {
    font-size: 12px;
  }
  .project-row {
    grid-template-columns: 22px 1fr 18px;
    gap: 10px;
    padding: 24px 0;
  }
  .project-row h3 {
    font-size: 14px;
  }
  .project-row p {
    grid-column: 2;
    line-height: 1.7;
    font-size: 11px;
  }
  .project-row > span:last-child {
    grid-column: 3;
    grid-row: 1/3;
  }
  .project-status {
    display: block;
    padding-top: 24px;
  }
  .project-status p {
    margin-top: 14px;
    font-size: 11px;
  }
  .closing {
    display: block;
    padding: 32px 26px;
    margin-bottom: 38px;
  }
  .closing h2 {
    font-size: 35px;
  }
  .closing .button {
    margin-top: 28px;
  }
  .site-footer {
    flex-wrap: wrap;
    gap: 20px;
    padding-top: 25px;
  }
  .site-footer > div {
    margin-left: 0;
    width: 100%;
    padding-top: 4px;
    gap: 25px;
  }
  .site-footer > .small {
    margin-left: auto;
  }
  .diagram-caption {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
}

/* Business requirements and the workflow slideshow. */
.hero h1 {
  font-size: clamp(40px, 5.45vw, 73px);
  letter-spacing: -3.8px;
}
.hero .intro {
  max-width: 580px;
}
.slideshow-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}
.slideshow-controls > span {
  font-size: 9px;
  color: var(--muted);
  margin-right: 8px;
}
.slideshow-controls button {
  border: 1px solid var(--line);
  background: transparent;
  min-height: 31px;
  min-width: 31px;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink);
}
.slideshow-controls button:hover {
  background: #edf3e3;
}
.slideshow-controls #slideshow-toggle {
  padding: 6px 11px;
  font-family: var(--mono);
  font-size: 9px;
  min-width: 118px;
}
.scenario-tabs button {
  flex: 1;
  overflow: hidden;
}
.scenario-tabs button[aria-selected="true"]:after {
  display: none;
}
.tab-progress {
  position: absolute;
  height: 2px;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--green-dark);
  transform: scaleX(0);
  transform-origin: left;
}
.architecture[data-playing="false"] [aria-selected="true"] {
  box-shadow: inset 0 -2px var(--green-dark);
}
.business-intent {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 20px 24px 0;
  background: #fff;
}
.business-intent > span {
  font-size: 8px;
  color: var(--muted);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.business-intent p {
  font-size: 13px;
  line-height: 1.7;
  min-height: 23px;
}
.connection-canvas {
  grid-template-columns: 1fr 0.35fr 1.35fr 0.35fr 1fr;
}
.edge-requirements {
  border-radius: 4px;
  box-shadow: none;
}
.edge-requirements .pattern-line {
  gap: 7px;
}
.edge-requirements .mini-node {
  font-size: 9px;
  padding: 7px 9px;
}
.system-node strong {
  font-family: var(--mono);
  font-size: 13px;
}
.connector-out i:before {
  left: auto;
  right: 0;
  transform: rotate(45deg);
}
.diagram-reason {
  min-height: 98px;
}
.diagram-reason p {
  max-width: 790px;
}
.diagram-footnote {
  justify-content: space-between;
  gap: 20px;
}
#playback-status {
  font-size: 8px;
  color: #7b846f;
  white-space: nowrap;
}
.closing h2 {
  font-size: 36px;
}

/* A self-contained guide keeps documentation accessible without GitHub access. */
.guide-layout {
  display: grid;
  grid-template-columns: 205px minmax(0, 1fr);
  gap: 70px;
  padding-block: 65px 90px;
}
.guide-sidebar nav {
  position: sticky;
  top: 35px;
  display: flex;
  flex-direction: column;
  gap: 17px;
}
.guide-sidebar .eyebrow {
  margin-bottom: 12px;
}
.guide-sidebar a {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}
.guide-sidebar a:hover {
  color: var(--green-dark);
}
.guide-content {
  max-width: 790px;
  min-width: 0;
}
.guide-heading h1 {
  font-size: 49px;
  line-height: 1.08;
  letter-spacing: -2.6px;
  margin: 24px 0;
}
.guide-content p {
  font-size: 14px;
  line-height: 1.9;
  color: #69705f;
  margin: 17px 0;
}
.guide-heading > p {
  font-size: 16px;
}
.guide-content section {
  padding-top: 52px;
  margin-top: 44px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 25px;
}
.guide-content h2 {
  margin-top: 18px;
  font-size: 32px;
}
.guide-content h3 {
  margin-top: 29px;
  font-size: 18px;
}
.guide-content p a {
  color: var(--green-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.guide-content code {
  font-family: var(--mono);
  font-size: 0.85em;
  overflow-wrap: anywhere;
  color: #4d603b;
}
.guide-content pre {
  background: #edf0e6;
  border: 1px solid var(--line);
  padding: 22px;
  margin: 24px 0;
  font-size: 13px;
  line-height: 1.9;
  overflow-x: auto;
}
.guide-content pre code {
  overflow-wrap: normal;
}
.guide-table-wrap {
  overflow-x: auto;
  margin: 27px 0;
}
.guide-content table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  line-height: 1.7;
  text-align: left;
}
.guide-content th {
  font-weight: 500;
  background: #edf0e6;
}
.guide-content th,
.guide-content td {
  border-bottom: 1px solid var(--line);
  padding: 14px 16px;
  vertical-align: top;
}
.guide-content td:first-child {
  width: 33%;
}
.guide-content td:last-child {
  color: var(--muted);
}
.guide-callout {
  padding: 22px 25px;
  background: #eef3e3;
  border-left: 2px solid #b3c980;
  margin: 25px 0;
}
.guide-callout strong {
  font-size: 13px;
  font-weight: 500;
}
.guide-callout p {
  margin-bottom: 0;
  font-size: 13px;
}
.tool-list {
  margin-top: 28px;
}
.tool-list > div {
  padding-block: 15px;
  border-bottom: 1px solid var(--line);
}
.tool-list dt {
  font-size: 13px;
}
.tool-list dd {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  margin: 6px 0 0;
}
.guide-graph {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  align-items: center;
  gap: 12px;
  margin: 30px 0;
  padding: 25px 20px;
  border: 1px solid var(--line);
  background: #fff;
}
.guide-graph-node {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 17px 12px;
  border: 1px solid var(--line);
  text-align: center;
}
.guide-graph-node span {
  font-size: 7px;
  letter-spacing: 0.3px;
  color: var(--muted);
}
.guide-graph-node strong {
  font-weight: 500;
  font-size: 12px;
}
.guide-graph-edge {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  color: #6b8150;
}
.guide-graph-edge .mono {
  font-size: 8px;
  text-align: center;
  line-height: 1.5;
}
.guide-graph figcaption {
  grid-column: 1 / -1;
  font-size: 9px;
  text-align: center;
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.6;
}
.guide-back {
  margin-top: 45px;
}
@media (max-width: 1000px) {
  .hero h1 {
    font-size: 58px;
    letter-spacing: -3.2px;
  }
  .hero .intro {
    max-width: 480px;
  }
  .hero-action .small {
    font-size: 8px;
  }
  .business-intent {
    gap: 15px;
  }
  .business-intent p {
    font-size: 12px;
  }
  .edge-requirements .mini-node {
    font-size: 8px;
    padding-inline: 6px;
  }
  .guide-layout {
    grid-template-columns: 165px minmax(0, 1fr);
    gap: 35px;
  }
  .guide-heading h1 {
    font-size: 40px;
  }
}
@media (max-width: 700px) {
  .hero h1 {
    font-size: clamp(34px, 7.2vw, 49px);
    letter-spacing: -1.8px;
  }
  .hero .eyebrow {
    max-width: 310px;
    line-height: 1.8;
    font-size: 7px;
  }
  .hero .intro {
    font-size: 14px;
  }
  .diagram-toolbar {
    flex-wrap: wrap;
    gap: 14px;
    padding: 16px 15px;
  }
  .slideshow-controls {
    width: 100%;
  }
  .slideshow-controls > span {
    margin-right: auto;
  }
  .slideshow-controls button {
    min-height: 36px;
    min-width: 36px;
  }
  .slideshow-controls #slideshow-toggle {
    min-width: 125px;
  }
  .business-intent {
    display: block;
    padding: 20px 18px 0;
  }
  .business-intent p {
    font-size: 12px;
    margin-top: 8px;
    min-height: 42px;
  }
  .connection-canvas {
    grid-template-columns: 1fr;
  }
  .connector-out:after {
    top: auto;
    bottom: 1px;
    transform: rotate(135deg);
  }
  .edge-requirements .mini-node {
    font-size: 9px;
    padding-inline: 9px;
  }
  .diagram-reason {
    min-height: 157px;
  }
  .diagram-footnote {
    display: block;
  }
  #playback-status {
    display: block;
    margin-top: 7px;
    font-size: 7px;
  }
  .closing h2 {
    font-size: 30px;
  }
  .guide-layout {
    display: block;
    padding-top: 30px;
  }
  .guide-sidebar nav {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 20px;
    padding-bottom: 28px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--line);
  }
  .guide-sidebar .eyebrow {
    width: 100%;
    margin-bottom: 4px;
  }
  .guide-sidebar a {
    font-size: 11px;
  }
  .guide-heading h1 {
    font-size: 36px;
    letter-spacing: -1.8px;
  }
  .guide-heading > p {
    font-size: 14px;
  }
  .guide-content section {
    margin-top: 35px;
    padding-top: 34px;
  }
  .guide-content h2 {
    font-size: 28px;
  }
  .guide-content p {
    font-size: 13px;
  }
  .guide-content pre {
    font-size: 11px;
    padding: 16px;
  }
  .guide-content th,
  .guide-content td {
    padding: 12px 9px;
    font-size: 11px;
  }
  .guide-graph {
    grid-template-columns: 1fr;
    padding: 22px;
    gap: 18px;
  }
  .guide-graph-edge > span:not(.mono) {
    transform: rotate(90deg);
    width: 30px;
    overflow: hidden;
    font-size: 18px;
  }
  .guide-graph-node {
    padding: 20px;
  }
  .guide-graph-node span {
    font-size: 8px;
  }
  .guide-graph-edge .mono {
    font-size: 9px;
  }
}