:root {
  color-scheme: light;
  --paper: #fbfcfe;
  --ink: #122c44;
  --muted: #627487;
  --blue: #246e9f;
  --coral: #ed6856;
  --line: #dce5ed;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--blue); }
a:focus-visible, button:focus-visible, pre:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4, p, figure { margin: 0; }
img { display: block; max-width: 100%; height: auto; }
code { font-family: var(--mono); }
::selection { background: #d6eaf7; color: var(--ink); }
[id] { scroll-margin-top: 28px; }
.container { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: absolute; z-index: 10; top: 12px; left: 16px; padding: 12px 20px; background: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { width: 145px; flex-shrink: 0; }
nav { display: flex; align-items: center; gap: 28px; font-size: 13px; font-weight: 500; }
nav a { padding-block: 12px; }
.nav-github { padding: 10px 16px; border: 1px solid var(--line); border-radius: 8px; }
.nav-github span { margin-left: 7px; color: var(--muted); }

.hero { padding-block: 70px 58px; text-align: center; }
h1 { margin: 0 auto; font-size: clamp(40px, 4.4vw, 60px); line-height: 1.13; letter-spacing: -2.4px; font-weight: 650; }
h1 > span { color: var(--blue); }
.hero-description { margin: 24px auto 0; font-size: 17px; line-height: 1.8; color: var(--muted); }
.mobile-break { display: none; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px; margin-top: 27px; }
.button, .text-link { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 26px; padding: 12px 21px; border: 1px solid var(--ink); border-radius: 8px; font-size: 13px; font-weight: 600; }
.button { background: var(--ink); color: white; }
.button:hover { background: #244d6d; color: white; }
.button > span { color: #ff9b87; }
.text-link { border-color: var(--line); background: white; }
.text-link:hover { border-color: var(--blue); }
.text-link span { color: var(--muted); }

.use-cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.use-case { position: relative; padding: 28px 30px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.case-icon { width: 25px; height: 25px; margin-bottom: 18px; fill: none; stroke: var(--blue); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.use-case:last-child .case-icon { stroke: #bd5544; }
.use-case h3 { font-size: 21px; font-weight: 600; letter-spacing: -.4px; }
.use-case p { max-width: 450px; margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.section-block { padding-top: 70px; }
.section-heading { margin-bottom: 28px; }
h2 { font-size: 32px; font-weight: 630; line-height: 1.2; letter-spacing: -.9px; }
.section-heading > p { max-width: 720px; margin-top: 13px; font-size: 15px; line-height: 1.8; color: var(--muted); }
.section-links { display: flex; flex-wrap: wrap; gap: 14px 26px; margin-top: 22px; font-size: 12px; color: var(--blue); }
.section-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.section-links span { margin-left: 5px; }

.workflow { padding: 36px 32px 26px; border: 1px solid #213f59; border-radius: 14px; color: #edf5fc; background-color: #10283f; background-image: radial-gradient(#88b6d21a .8px, transparent .8px); background-size: 16px 16px; }
.workflow-grid { display: grid; grid-template-columns: 1fr 150px 1.1fr 88px 1fr; align-items: center; }
.flow-node { min-width: 0; border: 1px solid #466078; border-radius: 9px; padding: 22px 16px; background: #18344c; text-align: center; }
.node-label { display: block; font: 10px/1.5 var(--mono); text-transform: uppercase; letter-spacing: 1px; color: #b0c7d9; }
.flow-node strong { display: flex; align-items: center; justify-content: center; gap: 9px; margin-top: 16px; font-size: 26px; font-weight: 600; letter-spacing: -.6px; }
.node-description { display: block; margin-top: 13px; color: #bed4e4; font-size: 11px; line-height: 1.6; }
.service-node { border-color: #6996b8; background: #1d3e59; box-shadow: 0 0 32px #329ddd12; }
.engine-logo { width: 6em; height: auto; }
.flow-link { display: flex; flex-direction: column; align-items: center; gap: 6px; padding-inline: 8px; text-align: center; color: #b4c9db; font: 10px/1.5 var(--mono); }
.protocol-wire > a { color: #ffad99; font-size: 11px; }
.protocol-wire > a:hover { color: #ffd5c9; text-decoration: underline; text-underline-offset: 4px; }
.flow-link .wire-arrow { font-family: sans-serif; font-size: 30px; line-height: 1; color: #8fb6d2; }
.workflow figcaption { margin-top: 25px; text-align: center; color: #b0c7d9; font-size: 11px; line-height: 1.8; }

.protocol-operations { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: 12px; background: white; }
.protocol-operations li { position: relative; padding: 25px 24px; }
.protocol-operations li + li { border-left: 1px solid var(--line); }
.protocol-operations code { display: inline-block; padding: 6px 9px; border-radius: 5px; background: #edf4f9; color: #225a81; font-size: 13px; }
.protocol-operations p { margin-top: 17px; font-size: 13px; line-height: 1.8; color: var(--muted); }
.protocol-operations li:not(:last-child)::after { content: "→"; position: absolute; top: 33px; right: -8px; z-index: 1; padding-block: 2px; background: white; color: #8fa7b9; font-size: 14px; line-height: 1; }

.engine-diagram { padding: 30px; border: 1px solid var(--line); border-radius: 14px; background: #f1f6fa; }
.engine-topology { display: grid; grid-template-columns: 175px 64px minmax(0, 1fr); align-items: center; }
.router-node { display: flex; flex-direction: column; align-items: center; gap: 15px; padding: 26px 14px; border: 1px solid #557997; border-radius: 9px; background: var(--ink); color: #fff; }
.diagram-label { display: block; font: 10px/1.5 var(--mono); letter-spacing: .8px; text-transform: uppercase; color: var(--muted); }
.router-node .diagram-label { color: #bed4e4; font-size: 9px; }
.router-node strong { font-size: 23px; font-weight: 600; }
.router-node > span:last-child { color: #bed4e4; font-size: 11px; }
.engine-connector { color: #6486a1; text-align: center; font-size: 32px; }
.compute-nodes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding: 18px; border: 1px dashed #b7cbdc; border-radius: 12px; }
.compute-node { min-width: 0; }
.compute-node > .diagram-label { margin: 0 0 13px 2px; }
.node-server { padding: 19px 16px 16px; border: 1px solid #c0d3e2; border-radius: 8px; background: #fff; }
.node-server > strong { display: block; font-size: 15px; font-weight: 600; }
.worker-label { display: block; margin-top: 20px; color: var(--muted); font-size: 11px; }
.worker-stages { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.worker-stages > span { padding: 7px 8px; border: 1px solid #dce5ed; border-radius: 4px; background: #f7f9fb; font: 10px/1.4 var(--mono); color: #486782; }
.worker-stages > span:last-child { background: #eaf3fa; border-color: #c4dcea; color: #225a81; }
.supervisor { position: relative; display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px 8px; margin: 14px 0 0 12px; padding-left: 12px; border-left: 2px solid #dca393; font-size: 10px; line-height: 1.6; }
.supervisor strong { font-weight: 600; }
.supervisor span { color: var(--muted); }
.engine-diagram figcaption { margin-top: 22px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.engine-capabilities { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 26px; }
.engine-capabilities article { border-top: 1px solid var(--line); padding-top: 19px; }
.engine-capabilities h3 { font-size: 16px; line-height: 1.5; font-weight: 600; letter-spacing: -.2px; }
.engine-capabilities p { margin-top: 9px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.engine-capabilities code { font-size: .92em; }

.quickstart-group { border-top: 1px solid var(--line); padding-top: 23px; }
.quickstart-group + .quickstart-group { margin-top: 28px; }
.group-heading { display: flex; align-items: baseline; gap: 16px; margin-bottom: 24px; }
.group-heading h3 { font-size: 21px; font-weight: 600; letter-spacing: -.4px; }
.group-heading > span { color: var(--muted); font-size: 12px; }
.quickstart-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); align-items: start; gap: 40px; }
.quickstart-row + .quickstart-row { margin-top: 10px; }
.step-copy { padding-top: 15px; }
.step-copy h4 { font-size: 16px; line-height: 1.5; font-weight: 600; }
.step-copy p { max-width: 280px; color: var(--muted); font-size: 13px; line-height: 1.8; margin-top: 9px; }
.step-copy code { font-size: .92em; }
.step-copy a { display: inline-block; margin-top: 16px; color: var(--blue); font-size: 12px; }
.step-copy a:hover { text-decoration: underline; text-underline-offset: 3px; }
.code-panel { min-width: 0; }
.terminal { overflow: hidden; border: 1px solid #28425b; border-radius: 10px; background: #10283f; color: #e6f1f9; }
.terminal-heading { min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 22px; border-bottom: 1px solid #334a60; font-size: 12px; font-weight: 500; }
.terminal-heading > span::before { content: ""; display: inline-block; width: 6px; height: 6px; margin: 0 9px 1px 0; border-radius: 50%; background: #ff957e; }
.terminal button { border: 1px solid #5e768b; border-radius: 5px; padding: 6px 10px; background: transparent; color: #d0e1ed; font-size: 11px; }
.terminal button:hover { border-color: #e4f2fb; color: #fff; }
.terminal pre { padding: 23px 22px; margin: 0; overflow-x: auto; font: 12px/2 var(--mono); }
.terminal code { font: inherit; }
.terminal .code-keyword { color: #9dcfee; }
.terminal .code-string { color: #b8d6b8; }
.terminal .code-decorator { color: #ffad99; }
.terminal-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; padding: 13px 22px; border-top: 1px solid #334a60; color: #acc4d7; font-size: 11px; }
.terminal-footer code { color: #e6f1f9; font-family: var(--mono); }
.copy-status { min-height: 18px; margin-top: 6px; font-size: 11px; line-height: 1.6; color: var(--muted); }

.adoptions { padding-bottom: 62px; }
.adoption-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; list-style: none; margin: 0; padding: 0; }
.adoption-grid a { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 100%; padding: 27px 30px; border: 1px solid var(--line); border-radius: 10px; background: white; transition: border-color .15s ease; }
.adoption-grid a:hover { border-color: #8eafc8; }
.adoption-grid h3 { font-size: 22px; font-weight: 600; letter-spacing: -.4px; }
.adoption-grid p { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.adoption-grid a > span { color: var(--blue); font-size: 20px; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 20px; color: var(--muted); font-size: 11px; }
.footer-inner nav { font-size: 11px; font-weight: 400; gap: 24px; }

@media (max-width: 1000px) {
  .container { width: calc(100% - 48px); }
  .workflow { padding: 28px 22px 22px; }
  .workflow-grid { grid-template-columns: 1fr 125px 1.1fr 68px 1fr; }
  .flow-node { padding-inline: 12px; }
  .node-label { font-size: 9px; letter-spacing: .6px; }
  .protocol-wire > a { font-size: 10px; }
  .flow-link { padding-inline: 4px; font-size: 9px; }
  .node-description { font-size: 10px; }
  .engine-diagram { padding: 24px; }
  .engine-topology { grid-template-columns: 150px 44px minmax(0, 1fr); }
  .compute-nodes { padding: 14px; gap: 12px; }
  .node-server { padding-inline: 12px; }
  .engine-capabilities { gap: 24px; }
  .protocol-operations li { padding: 23px 18px; }
  .quickstart-row { gap: 28px; }
}

@media (max-width: 800px) {
  .workflow-grid { grid-template-columns: 1fr 108px 1.1fr 58px 1fr; }
  .flow-node { padding-inline: 8px; }
  .node-label { font-size: 8px; letter-spacing: .3px; }
  .flow-node strong { font-size: 22px; }
  .engine-diagram { padding: 24px 20px; }
  .engine-topology { grid-template-columns: 130px 36px minmax(0, 1fr); }
  .router-node { padding-inline: 8px; }
  .router-node .diagram-label { font-size: 8px; letter-spacing: .4px; }
  .protocol-operations { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .protocol-operations li:nth-child(3) { border-left: 0; }
  .protocol-operations li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .protocol-operations li:nth-child(2)::after { display: none; }
}

@media (max-width: 700px) {
  .container { width: calc(100% - 36px); }
  .header-inner { min-height: 72px; gap: 16px; }
  .brand { width: 118px; }
  nav { gap: 18px; font-size: 12px; }
  .nav-section { display: none; }
  .nav-github { padding: 8px 10px; }
  .hero { padding-block: 44px 38px; }
  h1 { font-size: clamp(32px, 7.5vw, 44px); letter-spacing: -1.3px; line-height: 1.16; }
  .hero-description { margin-top: 20px; font-size: 14px; }
  .mobile-break { display: block; }
  .hero-actions { gap: 10px; margin-top: 23px; }
  .button, .text-link { gap: 16px; padding-inline: 17px; font-size: 12px; }
  .use-cases { grid-template-columns: 1fr; gap: 16px; }
  .use-case { padding: 24px; }
  .case-icon { margin-bottom: 14px; }
  .use-case h3 { font-size: 20px; }
  .use-case p { font-size: 13px; }
  .section-block { padding-top: 48px; }
  .section-heading { margin-bottom: 23px; }
  h2 { font-size: 28px; }
  .section-heading > p { font-size: 14px; }
  .workflow { padding: 24px; border-radius: 12px; }
  .workflow-grid { grid-template-columns: 1fr; max-width: 350px; margin-inline: auto; }
  .flow-node { padding: 18px 20px; }
  .node-label { font-size: 10px; letter-spacing: .8px; }
  .flow-node strong { margin-top: 10px; font-size: 24px; }
  .node-description { margin-top: 9px; font-size: 11px; }
  .flow-link { display: grid; grid-template-columns: 1fr 30px 1fr; gap: 10px; min-height: 68px; padding: 10px 0; font-size: 10px; }
  .flow-link > :first-child { text-align: right; }
  .flow-link > :last-child:not(.wire-arrow) { text-align: left; }
  .flow-link .wire-arrow { transform: rotate(90deg); }
  .protocol-wire > a { font-size: 10px; }
  .workflow figcaption { margin-top: 20px; }
  .protocol-operations li { padding: 21px 17px; }
  .protocol-operations code { font-size: 12px; }
  .protocol-operations p { font-size: 12px; margin-top: 14px; }
  .section-links { gap: 14px 22px; }
  .engine-topology { grid-template-columns: 1fr; }
  .router-node { width: 190px; margin-inline: auto; gap: 12px; padding-block: 20px; }
  .router-node .diagram-label { font-size: 9px; }
  .engine-connector { transform: rotate(90deg); line-height: 1; padding-block: 12px; }
  .compute-nodes { gap: 16px; }
  .engine-capabilities { grid-template-columns: 1fr; gap: 22px; margin-top: 24px; }
  .engine-capabilities h3 { font-size: 16px; }
  .quickstart-group { padding-top: 21px; }
  .group-heading { flex-wrap: wrap; gap: 8px 16px; margin-bottom: 22px; }
  .group-heading h3 { font-size: 20px; }
  .group-heading > span { font-size: 11px; }
  .quickstart-row { grid-template-columns: 1fr; gap: 17px; }
  .quickstart-row + .quickstart-row { margin-top: 12px; }
  .step-copy { padding-top: 0; }
  .step-copy p { max-width: none; }
  .step-copy a { margin-top: 9px; }
  .terminal-heading, .terminal-footer { padding-inline: 15px; }
  .terminal pre { padding: 20px 15px; font-size: 11px; }
  .adoptions { padding-bottom: 40px; }
  .adoption-grid { grid-template-columns: 1fr; gap: 16px; }
  .adoption-grid a { padding: 23px 24px; }
  .adoption-grid h3 { font-size: 20px; }
  .footer-inner { flex-wrap: wrap; justify-content: center; gap: 4px 20px; padding-block: 17px; text-align: center; }
}

@media (max-width: 460px) {
  .compute-nodes { grid-template-columns: 1fr; padding: 16px; gap: 22px; }
  .protocol-operations { grid-template-columns: 1fr; }
  .protocol-operations li + li { border-left: 0; border-top: 1px solid var(--line); }
  .protocol-operations li:not(:last-child)::after { display: none; }
  .protocol-operations li { padding: 21px; }
  .protocol-operations p { margin-top: 12px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .adoption-grid a { transition: none; }
}