:root {
      color-scheme: dark;
      --bg: #0a1020;
      --panel: #101a2d;
      --panel-2: #14223a;
      --line: #30415e;
      --text: #f2f6fd;
      --muted: #adbbd0;
      --cyan: #65d9e8;
      --violet: #c5a4fa;
      --gold: #f3c477;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background:
        radial-gradient(circle at 82% 2%, rgba(83, 100, 181, .19), transparent 30rem),
        radial-gradient(circle at 3% 40%, rgba(41, 156, 181, .12), transparent 35rem),
        var(--bg);
      color: var(--text);
      font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
    }
    a { color: var(--cyan); }
    a:hover { color: #a6f2f8; }
    .wrap { width: min(1240px, calc(100% - 48px)); margin: 0 auto; }
    .topbar {
      border-bottom: 1px solid rgba(149, 174, 210, .14);
      background: rgba(10, 16, 32, .82);
    }
    .topbar .wrap {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand { color: var(--text); text-decoration: none; font-weight: 760; letter-spacing: -.025em; }
    .brand-mark {
      display: inline-grid; place-items: center;
      width: 31px; height: 31px; margin-right: 9px;
      border: 1px solid rgba(101, 217, 232, .5);
      border-radius: 9px; color: var(--cyan);
      font: 700 15px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    }
    nav { display: flex; flex-wrap: wrap; gap: 22px; }
    nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
    nav a:hover { color: var(--text); }
    .hero { padding: 68px 0 34px; }
    .eyebrow { margin: 0 0 15px; color: var(--cyan); text-transform: uppercase; letter-spacing: .17em; font-size: 12px; font-weight: 750; }
    h1 { max-width: 850px; margin: 0; font-size: clamp(38px, 5.2vw, 66px); line-height: 1.08; letter-spacing: -.055em; }
    .intro { max-width: 780px; margin: 22px 0 0; color: var(--muted); font-size: 19px; }
    .pills { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
    .pill { padding: 6px 11px; border: 1px solid var(--line); border-radius: 999px; color: #d9e3f2; background: #111c31; font-size: 12px; font-weight: 700; }
    .pill.plan { border-color: rgba(243, 196, 119, .38); color: var(--gold); background: rgba(243, 196, 119, .08); }
    section { scroll-margin-top: 20px; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin: 25px 0 18px; }
    .section-head h2 { margin: 0; font-size: 28px; letter-spacing: -.035em; }
    .section-head p { max-width: 570px; margin: 0; color: var(--muted); font-size: 14px; }
    .diagram-shell {
      overflow: hidden;
      border: 1px solid #32435f;
      border-radius: 20px;
      background: linear-gradient(145deg, #142038, #0e192c 58%, #10192b);
      box-shadow: 0 28px 90px rgba(0, 0, 0, .23);
    }
    .diagram-scroll { overflow-x: auto; }
    .diagram { display: block; width: 100%; min-width: 1100px; height: auto; }
    .diagram .node { fill: #182945; stroke: #496080; stroke-width: 1.5; }
    .diagram .node.featured { fill: #1a3049; stroke: #59b9c8; }
    .diagram .node.sandbox { fill: #252440; stroke: #8c79bd; }
    .diagram .node.subtle { fill: #17253b; stroke: #3e536f; }
    .diagram .node-title { fill: #f5f8fe; font: 700 24px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
    .diagram .node-body { fill: #c4d0df; font: 16px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
    .diagram .small-label { fill: #92a8c3; font: 700 12px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; letter-spacing: 1.6px; }
    .diagram .edge-label { fill: #cfdaeb; font: 700 12px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
    .diagram .icon { fill: #65d9e8; font: 700 18px ui-monospace, SFMono-Regular, Menlo, monospace; }
    .diagram .divider { stroke: #344a66; stroke-width: 1; }
    .diagram .mini { fill: #11243a; stroke: #44607a; }
    .diagram .mini-title { fill: #ecf5ff; font: 700 17px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
    .diagram .mini-body { fill: #b7c7d9; font: 13px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
    .legend {
      display: flex; flex-wrap: wrap; gap: 13px 28px;
      padding: 15px 22px 18px;
      border-top: 1px solid rgba(149, 174, 210, .16);
      color: var(--muted); font-size: 13px;
    }
    .legend span { display: inline-flex; align-items: center; gap: 8px; }
    .swatch { width: 25px; height: 0; border-top: 2px solid var(--cyan); }
    .swatch.response { border-color: var(--violet); }
    .swatch.deploy { border-color: #8194b0; border-top-style: dashed; }
    figcaption { color: var(--muted); font-size: 13px; margin: 11px 4px 0; }
    .components { padding: 57px 0 10px; }
    .grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
    .card {
      min-height: 215px;
      padding: 22px 23px 24px;
      border: 1px solid #30415e;
      border-radius: 16px;
      background: linear-gradient(160deg, rgba(29, 45, 72, .85), rgba(18, 30, 50, .96));
    }
    .card .meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--cyan); font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
    .card .status { color: #b5c3d5; font: 650 11px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; text-transform: uppercase; letter-spacing: .08em; }
    .card .status.open { color: var(--gold); }
    .card h3 { margin: 18px 0 8px; font-size: 19px; letter-spacing: -.02em; }
    .card p { margin: 0; color: var(--muted); font-size: 14px; }
    .card strong { color: #e7eff9; font-weight: 650; }
    .flow { padding: 48px 0 66px; }
    .flow-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
    .step { border-top: 2px solid #6087a3; padding: 18px 3px 0; }
    .step b { color: var(--cyan); font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
    .step h3 { margin: 9px 0 5px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .decision { margin: 0 0 60px; padding: 20px 24px; border: 1px solid rgba(243, 196, 119, .33); border-radius: 14px; background: rgba(243, 196, 119, .065); color: #e6d8bd; font-size: 14px; }
    .decision strong { color: var(--gold); }
    footer { border-top: 1px solid rgba(149, 174, 210, .14); padding: 24px 0 38px; color: var(--muted); font-size: 13px; }
    footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
    @media (max-width: 860px) {
      .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .section-head { display: block; }
      .section-head p { margin-top: 8px; }
    }
    @media (max-width: 600px) {
      .wrap { width: min(100% - 28px, 1240px); }
      .topbar .wrap { padding: 16px 0; display: block; }
      nav { margin-top: 12px; gap: 16px; }
      .hero { padding-top: 46px; }
      .intro { font-size: 17px; }
      .grid, .flow-grid { grid-template-columns: 1fr; }
      .card { min-height: 0; }
    }
    @media print {
      :root { color-scheme: light; }
      body { background: #fff; color: #142039; }
      .topbar, .pills, .decision, footer { display: none; }
      .hero { padding: 10px 0 20px; }
      .intro, .section-head p, .card p, .step p, figcaption { color: #42516c; }
      .diagram-shell { box-shadow: none; }
      .grid { grid-template-columns: repeat(3, 1fr); }
      .card { break-inside: avoid; }
    }