*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
:root {
    --parchment: #FBFBFA; --cream: #FFFFFF; --ink: #10224A; --taupe: #50607F;
    --leather: #022154; --brand: #1467EA; --brass: #176BFF; --brass-soft: #DCEBFF;
    --line: #E3E5E6;
    --serif: "Archivo", "Helvetica Neue", Arial, sans-serif;
    --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, monospace;
  }
  * { box-sizing: border-box; }
  body { margin: 0; background: var(--parchment); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
  a { color: var(--brand); text-decoration: none; }
  a:hover { text-decoration: underline; }
  a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 3px; }
  .shell { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
  nav { position: sticky; top: 0; z-index: 20; background: rgba(251,251,250,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
  .nav-inner { max-width: 1080px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; gap: 22px; }
  .wordmark { display: flex; align-items: center; margin-right: auto; }
  .wordmark svg { display: block; }
  .nav-links { display: flex; gap: 22px; font-size: 14.5px; font-weight: 500; color: var(--taupe); white-space: nowrap; }
  .nav-links a { color: var(--taupe); }
  .nav-links a:hover { color: var(--leather); text-decoration: none; }
  .btn { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; padding: 10px 20px; border-radius: 4px; background: var(--brand); color: #fff; box-shadow: 0 12px 26px -12px rgba(10,13,18,.55); }
  .btn:hover { text-decoration: none; }
  .doc-head { padding: 56px 0 30px; border-bottom: 1px solid var(--line); }
  .eyebrow { display: inline-block; font-family: var(--mono); font-size: 11.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); margin-bottom: 12px; }
  h1 { font-family: var(--serif); font-size: clamp(32px, 5vw, 46px); font-weight: 700; letter-spacing: -.022em; line-height: 1.08; margin: 0; text-wrap: balance; }
  .updated { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--taupe); margin-top: 14px; text-transform: uppercase; }
  .doc-grid { display: grid; grid-template-columns: 232px 1fr; gap: 56px; padding: 40px 0 72px; align-items: start; }
  .toc { position: sticky; top: 84px; border-left: 2px solid var(--line); padding-left: 18px; }
  .toc b { display: block; font-family: var(--mono); font-size: 10.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--taupe); margin-bottom: 12px; }
  .toc a { display: block; font-size: 13.5px; line-height: 1.4; color: var(--taupe); padding: 5px 0; }
  .toc a:hover { color: var(--leather); text-decoration: none; }
  .toc .tn { font-family: var(--mono); font-size: 11px; color: var(--brass); margin-right: 7px; }
  .doc-body { max-width: 72ch; }
  .doc-body p { margin: 0 0 16px; color: #26364F; }
  .doc-body p.caps { font-size: 13.5px; letter-spacing: .01em; color: var(--taupe); background: #F4F6F9; border-left: 2px solid var(--line); padding: 12px 16px; border-radius: 0 4px 4px 0; }
  .doc-body h2 { font-family: var(--serif); font-size: 20px; font-weight: 700; letter-spacing: -.012em; margin: 38px 0 14px; scroll-margin-top: 84px; display: flex; gap: 12px; align-items: baseline; }
  .doc-body h2:first-of-type { margin-top: 0; }
  .secnum { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--brass); flex: none; }
  .doc-body ul { margin: 0 0 18px; padding: 0; list-style: none; }
  .doc-body li { position: relative; padding-left: 20px; margin: 9px 0; color: #26364F; }
  .doc-body li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--brass); }
  .addr { background: var(--cream); border: 1px solid var(--line); border-radius: 6px; padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; font-size: 14.5px; color: var(--taupe); margin: 6px 0 18px; }
  .addr b { color: var(--ink); font-size: 15px; }
  .addr i { font-style: normal; font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: #8A95A8; margin-right: 6px; }
  .docnav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 46px; padding-top: 26px; border-top: 1px solid var(--line); }
  .docnav a { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--taupe); border: 1px solid var(--line); border-radius: 4px; padding: 9px 14px; background: var(--cream); }
  .docnav a:hover { color: var(--leather); border-color: var(--brass); text-decoration: none; }
  .docnav a[aria-current] { color: var(--leather); border-color: var(--brass); background: var(--brass-soft); }
  .socials { display: flex; gap: 10px; margin-top: 4px; }
  .socials a {
    width: 36px; height: 36px; border-radius: 4px; display: grid; place-items: center;
    border: 1px solid var(--line); background: var(--cream);
    transition: border-color .15s ease, background .15s ease, transform .15s ease;
  }
  .socials a svg { width: 17px; height: 17px; fill: var(--taupe); transition: fill .15s ease; }
  .socials a:hover { border-color: var(--brand); background: var(--brass-soft); transform: translateY(-1px); }
  .socials a:hover svg { fill: var(--brand); }
  .socials a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
  .foot-inner .socials { margin-top: 0; }
  .foot-inner .socials a { width: 32px; height: 32px; }
  .foot-inner .socials a svg { width: 15px; height: 15px; }
  footer { border-top: 1px solid var(--line); background: var(--cream); padding: 40px 0 34px; }
  .foot-inner { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; font-size: 13.5px; color: var(--taupe); }
  .foot-links { display: flex; flex-wrap: wrap; gap: 16px; }
  .foot-links a { color: var(--taupe); }
  .foot-links a:hover { color: var(--leather); text-decoration: none; }
  @media (max-width: 860px) {
    .doc-grid { grid-template-columns: 1fr; gap: 26px; padding-top: 30px; }
    .toc { position: static; border-left: 0; border-top: 1px solid var(--line); padding: 18px 0 0; }
    .toc a { display: inline-block; padding: 5px 12px 5px 0; }
    .nav-links { display: none; }
    .doc-head { padding-top: 38px; }
  }
  @media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
  .skip-link { position: absolute; left: -9999px; top: 0; z-index: 200; background: var(--brand); color: #fff;
    padding: 12px 18px; border-radius: 0 0 4px 0; font-weight: 600; font-size: 14px; }
  .skip-link:focus { left: 0; }

  .msg-wrap { max-width: 640px; margin: 0 auto; padding: 84px 0 96px; text-align: center; }
  .msg-wrap .mark { display: inline-flex; width: 58px; height: 58px; border-radius: 50%; align-items: center; justify-content: center;
    background: #EEF3E6; border: 1px solid #CBDCB6; margin-bottom: 22px; }
  .msg-wrap .mark svg { width: 26px; height: 26px; stroke: #3E6339; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
  .msg-wrap.lost .mark { background: var(--brass-soft); border-color: #B9D7FF; }
  .msg-wrap.lost .mark svg { stroke: var(--brand); }
  .msg-wrap h1 { font-size: clamp(28px, 4.4vw, 40px); margin-bottom: 14px; }
  .msg-wrap p { color: var(--taupe); font-size: 16.5px; max-width: 52ch; margin: 0 auto 26px; }
  .msg-wrap .btn { display: inline-flex; }