:root{
    color-scheme:light;
    --ground:#F4F0E6;--surface:#FBF8F1;--print:#EFE6D3;--sunk:#E9E2D2;
    --ink:#1A1A1A;--muted:#5F5A50;--line:#DED6C6;--line-soft:#EAE3D5;
    --accent:#6B2233;--accent-soft:#8E3346;--on-accent:#F2E8D5;
    --f-display:"Newsreader",Georgia,"Times New Roman",serif;
    --f-body:"Archivo",Helvetica,Arial,sans-serif;
    --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
    --h1:clamp(2.1rem,5.4vw,3.6rem);--h1-w:500;--h1-t:-.012em;--h1-lh:1.08;
    --eb:.24em;--wm-track:.14em;--wm-w:500;
  }

  *{box-sizing:border-box}
  [hidden]{display:none!important}
  body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
  h1,h2,h3,h4,.wordmark{font-family:var(--f-display)}
  .mono,.eyebrow,.dt,.navlink,.chip,.stepn,label,.btn,.pill{font-family:var(--f-mono)}
  p{margin:0}
  a{color:var(--accent)}
  :focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px}
  .shell{max-width:1060px;margin:0 auto;padding-inline:22px}

  /* preview control */

  /* topbar */
  .topbar{border-bottom:1px solid var(--line);background:var(--surface)}
  .topbar-in{display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;padding-block:17px}
  .lockup{display:flex;align-items:center;gap:12px;background:none;border:0;padding:0;cursor:pointer;color:var(--ink)}
  .lockup-txt{display:flex;flex-direction:column;gap:2px;text-align:left}
  .wordmark{font-size:1.06rem;font-weight:var(--wm-w);letter-spacing:var(--wm-track);text-transform:uppercase;line-height:1}
  .descriptor{font-family:var(--f-mono);font-size:.57rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
  nav{display:flex;flex-wrap:wrap;gap:2px 19px;margin-left:auto}
  .navlink{font-size:.69rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:none;border:0;padding:5px 0;cursor:pointer}
  .navlink:hover{color:var(--ink)}
  .navlink[aria-current="page"]{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent)}

  /* hero + sections */
  .hero{padding-block:62px 50px;border-bottom:1px solid var(--line)}
  .eyebrow{font-size:.66rem;letter-spacing:var(--eb);text-transform:uppercase;color:var(--accent);display:block;margin-bottom:16px}
  h1{font-size:var(--h1);line-height:var(--h1-lh);font-weight:var(--h1-w);letter-spacing:var(--h1-t);margin:0 0 21px;max-width:23ch;text-wrap:balance}
  .lede{font-size:1.06rem;color:var(--muted);max-width:58ch;line-height:1.56}
  .lede+.lede{margin-top:13px}
  .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .btn{display:inline-block;background:var(--accent);color:var(--on-accent);border:0;padding:14px 25px;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;text-decoration:none}
  .btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}

  section.block{padding-block:56px;border-bottom:1px solid var(--line)}
  .sec-hd{margin-bottom:30px;max-width:60ch}
  h2{font-size:clamp(1.38rem,3.1vw,1.92rem);font-weight:var(--h1-w);letter-spacing:-.012em;line-height:1.16;margin:0 0 11px;text-wrap:balance}
  .sec-hd p{color:var(--muted);font-size:.98rem}
  h3{font-size:1.04rem;font-weight:600;margin:0;line-height:1.28}

  /* credentials */
  .creds{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
  .cred{background:var(--surface);padding:16px 17px;display:flex;flex-direction:column;gap:5px}
  .cred .dt{font-size:.59rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
  .cred .cv{font-size:.96rem;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.3}
  .cred .cn{font-size:.77rem;color:var(--muted);line-height:1.4}

  /* routes */
  .routes{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
  .route{background:var(--surface);padding:22px 21px 24px;display:flex;flex-direction:column;gap:11px}
  .flag{width:46px;height:31px;border:1px solid var(--line);display:block}
  .route p{font-size:.88rem;color:var(--muted);line-height:1.5}
  .routes-note{font-family:var(--f-mono);font-size:.72rem;color:var(--muted);margin-top:15px;line-height:1.55;max-width:78ch}

  /* two paths */
  .paths{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line)}
  .path{padding:32px 30px 34px;display:flex;flex-direction:column;gap:15px;background:var(--surface)}
  .path:first-child{background:var(--accent);color:var(--on-accent);border-right:1px solid var(--line)}
  .path:first-child h3{color:var(--on-accent)}
  .path h3{font-size:1.26rem;line-height:1.2}
  .chip{font-size:.59rem;letter-spacing:.16em;text-transform:uppercase;opacity:.86}
  .plede{font-size:.95rem;line-height:1.55}
  .path:first-child .plede{opacity:.9}
  .path:last-child .plede{color:var(--muted)}
  .path ul,ul.tick{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:11px}
  .path li,ul.tick li{position:relative;padding-left:25px;font-size:.93rem;line-height:1.52}
  .path li::before,ul.tick li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;background:var(--accent)}
  .path:first-child li::before{background:var(--on-accent);opacity:.7}
  ul.tick.no li::before{background:transparent;box-shadow:inset 0 0 0 1px var(--muted)}
  .path-btn{margin-top:auto;padding-top:20px}
  .path:first-child .path-btn{border-top:1px solid rgba(255,255,255,.24)}
  .path:last-child .path-btn{border-top:1px solid var(--line)}
  .path:first-child .btn{background:var(--on-accent);color:var(--accent)}

  .cols{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
  /* one list laid out in two columns so rows align across the gutter */
  ul.tick.pair{display:grid;grid-template-columns:1fr 1fr;gap:22px 44px}
  .cols-w{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:start}
  .stack{display:flex;flex-direction:column;gap:32px}
  .item{display:flex;flex-direction:column;gap:10px;max-width:64ch}
  .item p{font-size:.96rem;line-height:1.63}

  .cats{display:flex;flex-wrap:wrap;gap:7px;margin-top:6px}
  .cat{border:1px solid var(--line);background:var(--surface);padding:7px 12px;font-size:.75rem;font-family:var(--f-mono);letter-spacing:.03em}

  .spec{border:1px solid var(--ink);background:var(--surface)}
  .spec-h{background:var(--ink);color:var(--ground);padding:10px 15px;font-family:var(--f-mono);font-size:.63rem;letter-spacing:.15em;text-transform:uppercase}
  .spec ol{margin:0;padding:15px 15px 15px 2.2em;display:flex;flex-direction:column;gap:7px;font-size:.89rem}
  .spec ol li::marker{font-family:var(--f-mono);color:var(--accent);font-size:.78rem}
  .spec-foot{border-top:1px solid var(--line-soft);padding:12px 15px;font-family:var(--f-mono);font-size:.72rem;color:var(--muted);line-height:1.5}

  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink)}
  .step{padding:19px 22px 21px 0;display:flex;flex-direction:column;gap:8px}
  .step+.step{border-left:1px solid var(--line);padding-left:22px}
  .stepn{font-size:.64rem;letter-spacing:.14em;color:var(--accent)}
  .step p{font-size:.87rem;color:var(--muted);line-height:1.5}

  .faq{border-top:2px solid var(--ink)}
  .fq{padding-block:20px;border-bottom:1px solid var(--line-soft)}
  .fq h3{margin-bottom:9px}
  .fq p{font-size:.94rem;line-height:1.6;max-width:64ch;color:var(--muted)}
  .fq p+p{margin-top:8px}

  /* record */
  .record{border:1px solid var(--ink);background:var(--surface)}
  .record-hd{background:var(--accent);color:var(--on-accent);padding:11px 15px;font-family:var(--f-mono);font-size:.63rem;letter-spacing:.16em;text-transform:uppercase;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
  .record dl{margin:0}
  .record .row{display:grid;grid-template-columns:120px 1fr;gap:0 12px;padding:10px 15px;border-bottom:1px solid var(--line-soft)}
  .record .row:last-child{border-bottom:0}
  .dt{font-size:.61rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding-top:3px}
  .record dd{margin:0;font-size:.86rem;line-height:1.45;font-variant-numeric:tabular-nums}

  /* form */
  .form-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:start}
  form{display:flex;flex-direction:column;gap:21px}
  .fields{display:grid;grid-template-columns:1fr 1fr;gap:15px}
  .f{display:flex;flex-direction:column;gap:6px}
  .f.wide{grid-column:1/-1}
  label{font-size:.63rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
  label .opt{color:var(--accent)}
  input,select,textarea{font-family:var(--f-body);font-size:.93rem;color:var(--ink);background:var(--surface);border:1px solid var(--line);padding:11px 12px;width:100%;border-radius:0}
  textarea{min-height:112px;resize:vertical}
  input:focus,select:focus,textarea:focus{border-color:var(--accent-soft)}
  .consent{display:flex;gap:10px;align-items:flex-start;font-size:.83rem;color:var(--muted);line-height:1.5}
  .consent input{width:auto;accent-color:var(--accent);margin-top:4px;flex:none}
  .rail{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line)}
  .rail-item{background:var(--surface);padding:15px 17px;display:flex;flex-direction:column;gap:4px}
  .rail-item .dt{padding-top:0}
  .rail-item .v{font-size:.89rem;word-break:break-word}

  .closer{background:var(--sunk);border-top:1px solid var(--line);padding-block:56px;text-align:center}
  .closer h2{margin:0 auto 12px;max-width:24ch}
  .closer p{color:var(--muted);max-width:52ch;margin:0 auto;font-size:.98rem}
  .closer .cta-row{justify-content:center}

  footer{background:var(--accent);color:var(--on-accent);padding-block:38px 32px}
  .foot-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:32px}
  footer .wordmark,footer .descriptor{color:var(--on-accent)}
  footer .descriptor{opacity:.7}
  footer
  footer
  .legal{font-family:var(--f-mono);font-size:.7rem;line-height:1.78;opacity:.85}
  .footnav{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:16px}
  .footnav button{background:none;border:0;color:var(--on-accent);opacity:.8;cursor:pointer;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;padding:0}

  /* ---- brand sheet ---- */
  .bgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
  .bcard{border:1px solid var(--line);background:var(--surface);padding:24px;display:flex;flex-direction:column;gap:16px}
  .bcard .dt{padding-top:0}
  .sw-row{display:flex;flex-wrap:wrap;gap:10px}
  .sw{width:74px;display:flex;flex-direction:column;gap:6px}
  .sw i{display:block;height:56px;border:1px solid var(--line)}
  .sw code{font-family:var(--f-mono);font-size:.6rem;color:var(--muted)}
  .spec-type p{margin-top:6px}
  .t-disp{font-family:var(--f-display);font-size:2rem;font-weight:var(--h1-w);letter-spacing:var(--h1-t);line-height:1.1}
  .t-body{font-family:var(--f-body);font-size:1rem}
  .t-mono{font-family:var(--f-mono);font-size:.82rem;letter-spacing:.04em}
  .lock-stack{display:flex;flex-direction:column;align-items:center;gap:9px;text-align:center}

  /* mark candidates */
  .mk{width:66px;height:66px;flex:none;color:var(--accent);display:block;overflow:visible}
  .mk-sm{width:22px;height:22px}
  .mk circle,.mk rect,.mk path{stroke:currentColor;fill:none}
  .mk text{fill:currentColor;font-family:var(--f-display);font-weight:600}
  .mk .mid{font-size:30px;letter-spacing:.5px}
  .mk .mid-1{font-size:44px}
  .mk .arc{font-family:var(--f-mono);font-size:11.5px;font-weight:500;letter-spacing:1.9px}
  .mk .arc-s{font-size:9.5px;letter-spacing:3px}
  .mkrow{display:flex;align-items:center;gap:20px}
  .fav{display:flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
  .bcard.rec{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
  .pick{align-self:flex-start;font-family:var(--f-mono);font-size:.56rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-accent);background:var(--accent);padding:4px 9px}
  .mk-note{font-size:.84rem;color:var(--muted);line-height:1.5;margin-top:auto}
  .letterhead{border:1px solid var(--line);background:var(--surface);padding:26px;display:flex;flex-direction:column;gap:20px;min-height:230px}
  .lh-rule{height:2px;background:var(--accent)}
  .sig{border:1px solid var(--line);background:var(--surface);padding:18px 20px;display:flex;gap:18px;align-items:center}
  .sig-bar{width:3px;align-self:stretch;background:var(--accent)}
  .sig-name{font-family:var(--f-display);font-weight:600;font-size:1.05rem;line-height:1.2}
  .sig-role{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
  .sig-line{font-size:.82rem;color:var(--muted);line-height:1.55}

  @media (max-width:1000px){
    .steps{grid-template-columns:1fr 1fr}
    .steps .step:nth-child(3){border-left:0;padding-left:0}
    .steps .step:nth-child(n+3){border-top:1px solid var(--line);padding-top:19px}
  }
  @media (max-width:860px){
    .cols,.cols-w,.paths,.form-grid,ul.tick.pair{grid-template-columns:1fr;gap:30px}
    ul.tick.pair{gap:11px}
    .paths{gap:0}
    .path:first-child{border-right:0;border-bottom:1px solid var(--line)}
    .steps{grid-template-columns:1fr}
    .step+.step{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:19px}
    .step{padding-right:0}
    .foot-grid{grid-template-columns:1fr}
  }
  @media (max-width:520px){
    .fields{grid-template-columns:1fr}
    nav{margin-left:0;width:100%}
    .record .row{grid-template-columns:1fr;gap:2px}
  }
  @media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

  /* brand mark + navigation as real links */
  .mk{width:40px;height:40px;flex:none;color:var(--accent);display:block}
  footer .mk{width:34px;height:34px}
  .skip{position:absolute;left:-9999px}
  .skip:focus{left:12px;top:12px;z-index:50;background:var(--accent);color:var(--on-accent);padding:10px 16px;font-family:var(--f-mono);font-size:.7rem;text-decoration:none}
  a.lockup,a.navlink,a.btn{text-decoration:none}
  a.navlink:focus-visible,a.btn:focus-visible,a.lockup:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  @media print{
    .topbar nav,.closer{display:none}
    body{background:#fff}
  }