:root {
    --ground: #f6f7f9; --panel: #ffffff; --panel-2: #f0f2f6; --ink: #0e1420;
    --muted: #596072; --faint: #8b92a2; --line: #e3e6ec; --line-strong: #d3d8e2;
    --accent: #2c8a8a; --accent-ink: #1f6d6d; --accent-wash: rgba(44,138,138,0.09); --accent-2: #1c6e78;
    --ai: #7b5cf0; --ai-wash: rgba(123,92,240,0.10);
    --verify: #10a577; --verify-wash: rgba(16,165,119,0.10); --warn: #c9803a;
    --code-bg: #0f1420; --code-ink: #d7deea; --code-dim: #7c879b;
    --radius: 8px; --radius-sm: 6px; --maxw: 1120px;
    --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --ground: #0c1017; --panel: #12171f; --panel-2: #161c26; --ink: #e9ecf2;
      --muted: #9aa2b2; --faint: #6b7385; --line: #1f2733; --line-strong: #2a3340;
      --accent: #47b5b5; --accent-ink: #63caca; --accent-wash: rgba(71,181,181,0.14); --accent-2: #2f9aa0;
      --ai: #a98cff; --ai-wash: rgba(169,140,255,0.13);
      --verify: #2bd196; --verify-wash: rgba(43,209,150,0.12); --warn: #e0a05f;
      --code-bg: #0a0e15; --code-ink: #d7deea; --code-dim: #6b7688;
    }
  }
  :root[data-theme="light"] {
    --ground: #f6f7f9; --panel: #ffffff; --panel-2: #f0f2f6; --ink: #0e1420;
    --muted: #596072; --faint: #8b92a2; --line: #e3e6ec; --line-strong: #d3d8e2;
    --accent: #2c8a8a; --accent-ink: #1f6d6d; --accent-wash: rgba(44,138,138,0.09); --accent-2: #1c6e78;
    --ai: #7b5cf0; --ai-wash: rgba(123,92,240,0.10);
    --verify: #10a577; --verify-wash: rgba(16,165,119,0.10); --warn: #c9803a;
    --code-bg: #0f1420; --code-ink: #d7deea; --code-dim: #7c879b;
  }
  :root[data-theme="dark"] {
    --ground: #0c1017; --panel: #12171f; --panel-2: #161c26; --ink: #e9ecf2;
    --muted: #9aa2b2; --faint: #6b7385; --line: #1f2733; --line-strong: #2a3340;
    --accent: #47b5b5; --accent-ink: #63caca; --accent-wash: rgba(71,181,181,0.14); --accent-2: #2f9aa0;
    --ai: #a98cff; --ai-wash: rgba(169,140,255,0.13);
    --verify: #2bd196; --verify-wash: rgba(43,209,150,0.12); --warn: #e0a05f;
    --code-bg: #0a0e15; --code-ink: #d7deea; --code-dim: #6b7688;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  body {
    margin: 0; background: var(--ground); color: var(--ink);
    font-family: var(--sans); font-size: 17px; line-height: 1.6;
    -webkit-font-smoothing: antialiased; letter-spacing: -0.005em;
  }
  a { color: inherit; text-decoration: none; }
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
  .mono { font-family: var(--mono); }
  .eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
  h1, h2, h3 { text-wrap: balance; letter-spacing: -0.022em; line-height: 1.08; margin: 0; }
  h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 680; }
  h3 { font-size: 19px; font-weight: 650; letter-spacing: -0.01em; line-height: 1.25; }
  p { margin: 0; }
  .lead { color: var(--muted); font-size: 19px; line-height: 1.55; }
  section { border-top: 1px solid var(--line); }
  .pad { padding: 88px 0; }
  .kicker { max-width: 660px; }
  .kicker .eyebrow { display: block; margin-bottom: 16px; }
  .kicker h2 { margin-bottom: 16px; }

  header.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--ground) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
  .nav-in { display: flex; align-items: center; gap: 28px; height: 62px; }
  .brand { display: flex; align-items: center; gap: 10px; font-weight: 680; letter-spacing: -0.02em; font-size: 18px; white-space: nowrap; }
  .brand .glyph { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-family: var(--mono); font-weight: 700; font-size: 15px; }
  .nav-links { display: flex; gap: 20px; margin-left: auto; align-items: center; }
  .nav-links a { color: var(--muted); font-size: 14.5px; font-weight: 500; white-space: nowrap; }
  .nav-links a:hover { color: var(--ink); }
  .nav-cta { display: flex; gap: 10px; align-items: center; }
  @media (max-width: 1040px) { .nav-links { display: none; } }

  .btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14.5px; padding: 9px 16px; border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer; transition: transform .08s ease, background .15s ease, border-color .15s ease; font-family: var(--sans); white-space: nowrap; }
  .btn:active { transform: translateY(1px); }
  .btn-primary { background: var(--accent); color: #fff; }
  .btn-primary:hover { background: var(--accent-ink); }
  .btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
  .btn-ghost:hover { border-color: var(--muted); }
  .btn-lg { padding: 12px 20px; font-size: 15.5px; }
  .icon-btn { width: 34px; height: 34px; display: grid; place-items: center; border-radius: var(--radius-sm); border: 1px solid var(--line-strong); background: transparent; color: var(--muted); cursor: pointer; }
  .icon-btn:hover { color: var(--ink); border-color: var(--muted); }
  .check { color: var(--verify); font-weight: 700; }

  /* hero */
  .hero { padding: 76px 0 24px; }
  .hero-grid { display: grid; grid-template-columns: 1.02fr 1.15fr; gap: 56px; align-items: center; }
  @media (max-width: 940px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
  .hero h1 { font-size: clamp(38px, 5.4vw, 60px); font-weight: 700; margin: 18px 0 20px; }
  .hero h1 .u { color: var(--accent); }
  .hero .lead { max-width: 37ch; }
  .hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
  .assurances { display: flex; flex-wrap: wrap; gap: 16px 26px; margin-top: 30px; }
  .assurances div { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); font-family: var(--mono); }

  .panel { background: var(--code-bg); border: 1px solid var(--line-strong); border-radius: 12px; overflow: hidden; box-shadow: 0 24px 60px -30px rgba(10,16,32,0.5); }
  .panel-top { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.07); background: rgba(255,255,255,0.02); }
  .dot { width: 11px; height: 11px; border-radius: 50%; background: #2a3444; }
  .panel-q { margin-left: 10px; font-family: var(--mono); font-size: 13px; color: #9fb0ff; }
  .panel-q::before { content: "? "; color: var(--code-dim); }
  .tabs { display: flex; gap: 2px; padding: 10px 12px 0; background: rgba(255,255,255,0.015); flex-wrap: wrap; }
  .tab { font-family: var(--mono); font-size: 12.5px; color: var(--code-dim); padding: 7px 12px; border-radius: 6px 6px 0 0; cursor: pointer; border: 1px solid transparent; border-bottom: none; background: transparent; transition: color .12s ease, background .12s ease; }
  .tab:hover { color: var(--code-ink); }
  .tab.active { color: var(--code-ink); background: var(--code-bg); border-color: rgba(255,255,255,0.08); }
  .code { font-family: var(--mono); font-size: 13px; line-height: 1.7; color: var(--code-ink); padding: 20px 20px 8px; white-space: pre; overflow-x: auto; min-height: 132px; }
  .code .kw { color: #7c93ff; } .code .fn { color: #4fd6b0; } .code .st { color: #e2b06a; } .code .dim { color: var(--code-dim); }
  .panel-foot { display: flex; align-items: center; gap: 8px; padding: 12px 20px; font-family: var(--mono); font-size: 12.5px; color: var(--verify); border-top: 1px solid rgba(255,255,255,0.07); background: var(--verify-wash); }

  .stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .stat { padding: 30px 24px; border-left: 1px solid var(--line); }
  .stat:first-child { border-left: none; }
  .stat .n { font-size: 34px; font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
  .stat .n .unit { font-size: 18px; color: var(--muted); font-weight: 600; }
  .stat .l { color: var(--muted); font-size: 13.5px; margin-top: 6px; line-height: 1.4; }
  @media (max-width: 820px) { .stats { grid-template-columns: repeat(2, 1fr); } .stat:nth-child(3) { border-left: none; } }

  .cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
  @media (max-width: 820px) { .cards { grid-template-columns: 1fr; } }
  .card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; }
  .card .tag { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--warn); font-weight: 600; }
  .card h3 { margin: 14px 0 10px; }
  .card p { color: var(--muted); font-size: 15px; }

  .flow { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 44px; }
  @media (max-width: 820px) { .flow { grid-template-columns: 1fr; } }
  .flow-col { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
  .flow-col .where { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; }
  .flow-col h3 { margin: 12px 0 16px; }
  .flow-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
  .flow-col li { display: flex; gap: 11px; font-size: 15px; color: var(--muted); }
  .flow-col li b { color: var(--ink); font-weight: 600; }
  .flow-col li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-top: 9px; }
  .flow-note { text-align: center; margin-top: 24px; font-family: var(--mono); font-size: 13px; color: var(--muted); }

  .trace { margin-top: 44px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  .trace-in { display: grid; grid-template-columns: 1fr auto 1.2fr; align-items: center; }
  @media (max-width: 780px) { .trace-in { grid-template-columns: 1fr; } .trace-arrow { display: none; } }
  .trace-claim { padding: 34px 30px; }
  .trace-claim .q { font-family: var(--mono); font-size: 13px; color: var(--faint); margin-bottom: 14px; }
  .trace-claim .a { font-size: 21px; font-weight: 600; line-height: 1.4; }
  .trace-claim .a .fig { color: var(--accent); font-variant-numeric: tabular-nums; }
  .trace-arrow { font-family: var(--mono); color: var(--verify); font-size: 13px; padding: 0 6px; white-space: nowrap; }
  .trace-source { padding: 26px 30px; border-left: 1px solid var(--line); background: var(--panel-2); }
  .trace-source .lbl { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--verify); font-weight: 600; margin-bottom: 12px; }
  .trace-table { font-family: var(--mono); font-size: 12.5px; width: 100%; border-collapse: collapse; }
  .trace-table th, .trace-table td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); }
  .trace-table th { color: var(--faint); font-weight: 500; }
  .trace-table td { font-variant-numeric: tabular-nums; }
  .trace-table tr.hit td { background: var(--verify-wash); color: var(--ink); }
  .abstain { margin-top: 20px; font-size: 14.5px; color: var(--muted); display: flex; gap: 10px; align-items: baseline; }
  .abstain b { color: var(--ink); font-weight: 600; }

  /* governance */
  .gov-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px; }
  @media (max-width: 780px) { .gov-grid { grid-template-columns: 1fr; } }
  .gov { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; gap: 16px; }
  .gov .ic { flex: none; width: 38px; height: 38px; border-radius: 9px; background: var(--accent-wash); color: var(--accent); display: grid; place-items: center; font-family: var(--mono); font-weight: 700; }
  .gov h3 { margin-bottom: 8px; } .gov p { color: var(--muted); font-size: 14.5px; }
  .policy { margin-top: 20px; background: var(--code-bg); border: 1px solid var(--line-strong); border-radius: 10px; padding: 18px 20px; font-family: var(--mono); font-size: 12.5px; line-height: 1.75; color: var(--code-ink); overflow-x: auto; }
  .policy .kw { color: #7c93ff; } .policy .deny { color: #e78a7a; } .policy .mask { color: #e2b06a; } .policy .ok { color: #4fd6b0; } .policy .cm { color: var(--code-dim); }

  /* semantic studio */
  .studio-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 44px; align-items: center; margin-top: 12px; }
  @media (max-width: 900px) { .studio-grid { grid-template-columns: 1fr; gap: 30px; } }
  .review { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
  .review-top { padding: 12px 18px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; }
  .review-top .ai-tag { color: var(--ai); }
  .sug { padding: 18px; border-bottom: 1px solid var(--line); }
  .sug:last-child { border-bottom: none; }
  .sug .kind { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--faint); }
  .sug .name { font-weight: 620; margin: 6px 0 4px; }
  .sug .def { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
  .sug .row2 { display: flex; align-items: center; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
  .conf { font-family: var(--mono); font-size: 11.5px; color: var(--ai); background: var(--ai-wash); padding: 3px 9px; border-radius: 100px; }
  .sug .acts { margin-left: auto; display: flex; gap: 6px; }
  .mini { font-size: 12.5px; font-weight: 600; padding: 5px 11px; border-radius: 6px; border: 1px solid var(--line-strong); background: transparent; color: var(--muted); cursor: default; }
  .mini.ok { color: #fff; background: var(--verify); border-color: var(--verify); }
  .studio-points { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
  .studio-points li { display: flex; gap: 12px; font-size: 15px; }
  .studio-points li .check { flex: none; margin-top: 2px; } .studio-points li b { font-weight: 620; } .studio-points li span span { color: var(--muted); }

  /* capabilities */
  .cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 44px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  @media (max-width: 820px) { .cap-grid { grid-template-columns: 1fr; } }
  .cap { background: var(--panel); padding: 26px 24px; }
  .cap .h { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; }
  .cap h3 { margin: 10px 0 8px; } .cap p { color: var(--muted); font-size: 14.5px; }

  /* developers */
  .dev-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; align-items: start; margin-top: 12px; }
  @media (max-width: 900px) { .dev-grid { grid-template-columns: 1fr; gap: 28px; } }
  .steps { list-style: none; margin: 24px 0 0; padding: 0; counter-reset: s; display: flex; flex-direction: column; gap: 20px; }
  .steps li { display: grid; grid-template-columns: 30px 1fr; gap: 14px; }
  .steps li .num { counter-increment: s; font-family: var(--mono); font-weight: 600; color: var(--accent); font-size: 14px; padding-top: 1px; }
  .steps li .num::before { content: counter(s, decimal-leading-zero); }
  .steps li b { font-weight: 620; } .steps li p { color: var(--muted); font-size: 14.5px; margin-top: 3px; }
  .codeblock { background: var(--code-bg); border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; }
  .codeblock .cb-top { padding: 10px 16px; border-bottom: 1px solid rgba(255,255,255,0.07); font-family: var(--mono); font-size: 12px; color: var(--code-dim); display: flex; justify-content: space-between; }
  .codeblock pre { margin: 0; padding: 18px; font-family: var(--mono); font-size: 12.5px; line-height: 1.75; color: var(--code-ink); overflow-x: auto; }
  .codeblock .cm { color: var(--code-dim); } .codeblock .kw { color: #7c93ff; } .codeblock .st { color: #e2b06a; } .codeblock .fn { color: #4fd6b0; } .codeblock .ty { color: #4fd6b0; }
  .cb-tabs { display: flex; gap: 2px; padding: 8px 10px 0; border-bottom: 1px solid rgba(255,255,255,0.07); background: rgba(255,255,255,0.02); flex-wrap: wrap; }
  .cb-tab { font-family: var(--mono); font-size: 12.5px; color: var(--code-dim); background: transparent; border: none; padding: 8px 13px; border-radius: 6px 6px 0 0; cursor: pointer; transition: color .12s ease, background .12s ease; }
  .cb-tab:hover { color: var(--code-ink); }
  .cb-tab.active { color: var(--code-ink); background: rgba(255,255,255,0.06); }
  .cb-pane { display: none; }
  .cb-pane.active { display: block; }
  .aud { display: flex; gap: 10px 22px; flex-wrap: wrap; margin-top: 36px; font-family: var(--mono); font-size: 12.5px; color: var(--faint); }

  /* ship it two ways */
  .ship-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 44px; }
  @media (max-width: 860px) { .ship-grid { grid-template-columns: 1fr; } }
  .ship-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 30px 28px; display: flex; flex-direction: column; }
  .ship-card.feat { border-color: var(--ai); box-shadow: 0 0 0 1px var(--ai) inset; }
  .ship-h { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
  .ship-h.ai { color: var(--ai); }
  .ship-card h3 { font-size: 21px; margin: 12px 0 12px; }
  .ship-card > p { color: var(--muted); font-size: 15px; }
  .ship-code { margin: 20px 0 16px; background: var(--code-bg); border: 1px solid var(--line-strong); border-radius: 9px; padding: 16px 18px; font-family: var(--mono); font-size: 12.5px; line-height: 1.7; color: var(--code-ink); overflow-x: auto; white-space: pre; }
  .ship-code .kw { color: #7c93ff; } .ship-code .st { color: #e2b06a; } .ship-code .fn { color: #4fd6b0; } .ship-code .cm { color: var(--code-dim); } .ship-code .tag { color: #e78a7a; }
  .ship-tags { margin-top: auto; font-family: var(--mono); font-size: 12px; color: var(--faint); padding-top: 8px; }
  .ship-tags b { color: var(--accent); font-weight: 500; }
  .ship-tags.ai b { color: var(--ai); }

  .db-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
  .db { font-family: var(--mono); font-size: 13px; color: var(--muted); padding: 8px 13px; border: 1px solid var(--line); border-radius: 100px; background: var(--panel); }
  .db.na { border-color: var(--accent-wash); color: var(--accent); }
  .db-groups { display: flex; gap: 10px 22px; flex-wrap: wrap; margin-top: 18px; font-family: var(--mono); font-size: 12.5px; color: var(--faint); }

  /* deploy */
  .deploy-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
  @media (max-width: 780px) { .deploy-row { grid-template-columns: 1fr; } }
  .dep { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--panel); }
  .dep .h { font-weight: 650; } .dep p { color: var(--muted); font-size: 14.5px; margin-top: 8px; }
  .dep .tg { font-family: var(--mono); font-size: 11.5px; color: var(--verify); margin-top: 12px; display: inline-block; }

  .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
  @media (max-width: 900px) { .price-grid { grid-template-columns: 1fr; } }
  .price { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; display: flex; flex-direction: column; gap: 16px; }
  .price.feat { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
  .price .pt { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
  .price.feat .pt { color: var(--accent); }
  .price .pp { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
  .price .pp .per { font-size: 14px; color: var(--muted); font-weight: 500; }
  .price .pd { color: var(--muted); font-size: 14.5px; }
  .price ul { list-style: none; margin: 4px 0 auto; padding: 0; display: flex; flex-direction: column; gap: 9px; }
  .price li { display: flex; gap: 9px; font-size: 14px; color: var(--muted); }
  .price li .check { flex: none; }
  .meter { font-family: var(--mono); font-size: 12px; color: var(--verify); background: var(--verify-wash); border-radius: 6px; padding: 8px 12px; text-align: center; }

  .cta { text-align: center; }
  .cta h2 { max-width: 20ch; margin: 0 auto 16px; }
  .cta .lead { max-width: 56ch; margin: 0 auto 28px; }
  .cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
  footer.foot { border-top: 1px solid var(--line); padding: 40px 0; color: var(--faint); }
  .foot-in { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; font-size: 13.5px; }
  .foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
  .foot-links a { color: var(--muted); } .foot-links a:hover { color: var(--ink); }

  .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.in { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }