:root {
      color-scheme: light;
      --ink: #21201C;
      --muted-foreground: #5C5A50;
      --muted-fill: #F1F0EF;
      --paper: #E8E6DE;
      --card: #FDFDFC;
      --secondary: #F9F9F8;
      --line: #DAD9D6;
      --primary: #0040AB;
      --accent: #005DE5;
      --primary-soft: #E8EEF9;
      --good: #39594D;
      --good-soft: #E8EFEC;
      --shadow: 0 1px 2px rgb(33 32 28 / .06);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font: 16px/1.6 Verdana, Geneva, sans-serif;
    }
    ::selection { background: var(--primary-soft); color: var(--ink); }
    a { color: var(--primary); text-underline-offset: 3px; }
    a:hover { color: var(--accent); }
    a:focus-visible, summary:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
    code { font-family: Consolas, "Liberation Mono", monospace; }
    .shell { width: min(1180px, calc(100% - 40px)); margin: auto; }
    .hero {
      position: relative;
      border-bottom: 1px solid rgb(253 253 252 / .18);
      background: var(--primary);
      color: var(--card);
    }
    .hero::after {
      position: absolute;
      right: 0;
      bottom: 0;
      width: min(31vw, 390px);
      height: 1px;
      background: rgb(253 253 252 / .48);
      content: "";
    }
    .hero-inner { padding: 22px 0 48px; }
    .site-nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 44px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; color: var(--card); font: 600 1.125rem/1 Georgia, serif; text-decoration: none; }
    .brand-mark { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 42% 58% 48% 52%; background: var(--card); color: var(--primary); }
    .site-links { display: flex; align-items: center; gap: 18px; }
    .site-links a { color: var(--card); font-size: .8rem; font-weight: 500; }
    .site-nav a:focus-visible { outline-color: var(--card); }
    .eyebrow {
      margin: 0;
      color: var(--card);
      font-size: .76rem;
      font-weight: 600;
      letter-spacing: .13em;
      text-transform: uppercase;
    }
    h1 {
      max-width: 820px;
      margin: 12px 0 18px;
      font: 600 clamp(2.35rem, 5vw, 4.15rem)/1 Georgia, serif;
      letter-spacing: -.04em;
    }
    .lede { max-width: 790px; margin: 0; color: rgb(253 253 252 / .86); font-size: clamp(1rem, 2vw, 1.15rem); }
    .hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
    .hero-meta span {
      padding: 5px 9px;
      border: 1px solid rgb(253 253 252 / .25);
      border-radius: 999px;
      color: var(--card);
      font-size: .75rem;
    }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 22px; }
    .repo-cta {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 10px 18px;
      border: 1px solid var(--primary);
      border-radius: 999px;
      background: var(--primary);
      color: var(--card);
      font-size: .88rem;
      font-weight: 600;
      text-decoration: none;
    }
    .hero .repo-cta { border-color: var(--card); background: var(--card); color: var(--primary); }
    .repo-cta:hover { background: var(--accent); }
    .hero .repo-cta:hover { background: var(--secondary); }
    .repo-cta:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
    .hero .repo-cta:focus-visible { outline-color: var(--card); }
    nav {
      position: sticky;
      top: 0;
      z-index: 10;
      overflow-x: auto;
      border-bottom: 1px solid var(--line);
      background: rgb(253 253 252 / .95);
      backdrop-filter: blur(12px);
      scrollbar-width: none;
    }
    nav::-webkit-scrollbar { display: none; }
    nav .shell { display: flex; gap: 24px; padding: 12px 0; white-space: nowrap; }
    nav a { color: var(--muted-foreground); font-size: .78rem; font-weight: 600; text-decoration: none; }
    nav a:hover { color: var(--primary); }
    main { padding: 54px 0 88px; }
    section { margin-bottom: 78px; scroll-margin-top: 70px; }
    h2 { margin: 0 0 16px; font: 600 clamp(1.75rem, 4vw, 2.5rem)/1.08 Georgia, serif; letter-spacing: -.025em; }
    h3 { margin: 0 0 8px; font-size: 1rem; font-weight: 600; }
    p { max-width: 900px; }
    .callout {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--card);
      box-shadow: var(--shadow);
    }
    .callout { border-top: 3px solid var(--primary); }
    .callout strong { display: block; margin-bottom: 5px; }
    .grid { display: grid; }
    #capabilities .grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0 38px;
      margin-top: 26px;
      border-top: 1px solid var(--line);
    }
    #capabilities .card {
      display: grid;
      grid-template-columns: 38px minmax(0, 1fr);
      grid-template-rows: auto 1fr;
      column-gap: 12px;
      padding: 22px 0 24px;
      border-bottom: 1px solid var(--line);
    }
    #capabilities .number { grid-row: 1 / span 2; }
    #capabilities .card h3, #capabilities .card p:not(.number) { grid-column: 2; }
    .card p { margin: 0; color: var(--muted-foreground); font-size: .89rem; }
    .number { margin: 2px 0 0; color: var(--primary); font: 600 .78rem/1.4 Verdana, Geneva, sans-serif; letter-spacing: .06em; }
    .domain-area {
      display: grid;
      grid-template-columns: 260px minmax(0, 1fr);
      gap: 40px;
      padding: 38px 0 42px;
      border-top: 1px solid var(--line);
    }
    .domain-area:last-child { border-bottom: 1px solid var(--line); }
    .domain-area > div:first-child { align-self: start; }
    .area-label { color: var(--primary); font-size: .73rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
    .area-title { margin: 7px 0 9px; font: 600 1.42rem/1.1 Georgia, serif; }
    .domain-summary { margin: 0; color: var(--muted-foreground); font-size: .86rem; }
    .capabilities {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1px;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--line);
      box-shadow: var(--shadow);
    }
    .capability {
      padding: 18px 19px 19px;
      background: var(--card);
    }
    .capability h3 { font-size: .94rem; }
    .capability p { margin: 0; color: var(--muted-foreground); font-size: .85rem; }
    .flow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 19px 0 0; }
    .flow span { padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; background: var(--secondary); font-size: .76rem; }
    .flow b { color: var(--primary); }
    .table-wrap { overflow-x: auto; margin-top: 22px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); box-shadow: var(--shadow); }
    table { width: 100%; min-width: 940px; border-collapse: collapse; background: var(--card); font-size: .84rem; }
    th, td { padding: 15px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
    th:nth-child(1) { width: 19%; }
    th:nth-child(2) { width: 13%; }
    th:nth-child(3) { width: 39%; }
    th:nth-child(4) { width: 29%; }
    tr:last-child td { border-bottom: 0; }
    th { background: var(--card); color: var(--muted-foreground); font-size: .7rem; font-weight: 600; letter-spacing: .075em; text-transform: uppercase; }
    tbody tr { transition: background-color 120ms ease; }
    tbody tr:hover { background: var(--muted-fill); }
    td:first-child { font-weight: 600; }
    .tag { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: .69rem; font-weight: 600; white-space: nowrap; }
    .verified { color: var(--good); background: var(--good-soft); }
    .evidence code { display: block; margin: 2px 0 6px; color: var(--muted-foreground); overflow-wrap: anywhere; font-size: .74rem; line-height: 1.4; }
    #acceptance .grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1px;
      overflow: hidden;
      margin-top: 22px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--line);
      box-shadow: var(--shadow);
    }
    #acceptance .card {
      display: grid;
      grid-template-columns: 38px minmax(0, 1fr);
      grid-template-rows: auto 1fr;
      column-gap: 10px;
      padding: 21px 20px 22px;
      background: var(--card);
    }
    #acceptance .number { grid-row: 1 / span 2; color: var(--good); }
    #acceptance .card h3, #acceptance .card p:not(.number) { grid-column: 2; }
    .source-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); box-shadow: var(--shadow); }
    .source-panel h3 { margin-bottom: 6px; }
    .source-panel p { margin: 0; color: var(--muted-foreground); font-size: .88rem; }
    .source-action { display: grid; justify-items: start; gap: 7px; }
    .footnote { color: var(--muted-foreground); font-size: .82rem; }
    footer { padding: 30px 0 48px; border-top: 1px solid var(--line); color: var(--muted-foreground); font-size: .8rem; }
    @media (max-width: 850px) {
      .domain-area { grid-template-columns: 1fr; }
      .domain-area { gap: 20px; }
      .source-panel { grid-template-columns: 1fr; }
    }
    @media (max-width: 590px) {
      .shell { width: min(100% - 28px, 1180px); }
      .hero-inner { padding: 18px 0 38px; }
      .site-nav { align-items: flex-start; margin-bottom: 36px; }
      .site-links { gap: 12px; }
      .hero-meta span { font-size: .7rem; }
      nav .shell { gap: 20px; }
      main { padding-top: 42px; }
      section { margin-bottom: 62px; }
      #capabilities .grid, #acceptance .grid { grid-template-columns: 1fr; }
      #capabilities .grid { gap: 0; }
      .capabilities { grid-template-columns: 1fr; }
      .domain-area { padding: 30px 0 34px; }
      .capability { padding: 17px; }
      .table-wrap { margin-inline: -14px; border-radius: 0; }
    }
    @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
    @media print {
      nav { display: none; }
      body { background: var(--card); }
      .shell { width: 100%; }
      .hero { background: var(--card); color: var(--ink); }
      .hero-inner { padding: 30px 0; }
      .eyebrow, .lede, .brand, .site-links a { color: var(--muted-foreground); }
      .hero-meta span { border-color: var(--line); background: var(--card); color: var(--muted-foreground); }
      .brand-mark { border: 1px solid var(--line); }
      .card, .callout, .table-wrap { box-shadow: none; break-inside: avoid; }
      .domain-area { break-inside: avoid; }
    }