:root{
    --ink:#232A45; --muted:#5C648A; --paper:#FFFFFF; --sheet:#FFFFFF;
    --blue:#7280BD; --blue-ink:#2B3572; --wash:#E1E6F8; --wash2:#F4F6FD;
    --amber:#5A6410; --amber-wash:#DFEEB8; --line:#C1C9E5;
    --serif: Charter, Georgia, 'Times New Roman', serif;
    --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  body{background:var(--paper);color:var(--ink);font-family:var(--serif);margin:0;line-height:1.62;font-size:17px}
  .wrap{max-width:860px;margin:0 auto;padding:0 20px}
  a{color:var(--blue-ink)}
  a:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
  h1,h2,h3{text-wrap:balance;line-height:1.18;font-family:var(--serif)}
  p{max-width:68ch}
  .eyebrow{font-family:var(--sans);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);font-weight:600}

  .band{background:var(--wash2);border-bottom:1px solid var(--line)}
  header.site{display:flex;align-items:center;gap:12px;padding:16px 0 14px;font-family:var(--sans)}
  .wordmark{font-family:var(--serif);font-size:22px;font-weight:700}
  .wordmark a{text-decoration:none;color:var(--ink)}
  .tagline{font-size:12px;color:var(--muted)}
  .backlinks{margin-left:auto;display:flex;gap:14px;font:600 12.5px var(--sans)}
  .backlinks a{text-decoration:none}
  .backlinks a:hover{text-decoration:underline}

  .hero{padding:44px 0 8px}
  .hero h1{font-size:clamp(30px,5.2vw,44px);margin:10px 0 14px;max-width:18ch}
  .hero .lede{font-size:19px;color:var(--ink);max-width:60ch;margin:0 0 10px}
  .dateline{font-family:var(--sans);font-size:12.5px;color:var(--muted);margin:18px 0 26px}
  .dateline b{color:var(--amber)}

  .toc{display:flex;flex-wrap:wrap;gap:8px;padding:0 0 36px;font-family:var(--sans)}
  .toc a{border:1px solid var(--blue);color:var(--blue-ink);background:var(--wash);border-radius:99px;padding:6px 13px;font:600 12.5px var(--sans);text-decoration:none}
  .toc a:hover{background:var(--blue-ink);color:#fff}
  .toc a.amberchip{border-color:var(--amber);color:var(--amber);background:var(--amber-wash)}
  .toc a.amberchip:hover{background:var(--amber);color:#fff}

  section{padding:34px 0 10px}
  section h2{font-size:29px;margin:6px 0 4px}
  .sub{color:var(--muted);max-width:64ch;margin:4px 0 20px;font-size:15.5px;font-family:var(--sans)}

  .ministory{border-left:3px solid var(--amber);padding:4px 16px;margin:26px 0;font-family:var(--serif);font-size:17px;max-width:62ch}
  .ministory .qsrc{display:block;font-family:var(--sans);font-size:11px;color:var(--muted);margin-top:6px;letter-spacing:.06em;text-transform:uppercase}

  .onerule{font-family:var(--serif);font-size:clamp(20px,3.4vw,26px);line-height:1.35;border-left:3px solid var(--amber);padding:6px 18px;margin:26px 0;max-width:34ch;color:var(--blue-ink)}

  .rulebox{border:1.5px solid var(--blue-ink);border-radius:12px;background:var(--wash);padding:20px 22px;margin:22px 0;max-width:680px}
  .rulebox h3{margin:0 0 8px;font-size:19px}
  .rulebox p{font-size:15.5px;margin:8px 0}
  .rulebox .rlabel{font-family:var(--sans);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);font-weight:700}

  .models{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0;max-width:760px}
  @media(max-width:640px){.models{grid-template-columns:1fr}}
  .model{border:1px solid var(--line);border-top:3px solid var(--blue);background:var(--sheet);border-radius:0 0 8px 8px;padding:13px 15px;font-size:14.5px}
  .model.hot{border-top-color:var(--amber);background:linear-gradient(var(--sheet),var(--sheet)) padding-box}
  .model b{font-family:var(--sans);font-size:13.5px;color:var(--blue-ink);display:block;margin-bottom:4px}
  .model.hot b{color:var(--amber)}
  .model .mrow{display:block;color:var(--muted);font-family:var(--sans);font-size:12.5px;margin-top:6px;line-height:1.5}
  .model .mrow i{color:var(--ink);font-style:normal;font-weight:600}

  .steps{counter-reset:s;display:grid;gap:14px;max-width:680px;margin:20px 0;padding:0;list-style:none}
  .step{display:flex;gap:14px;align-items:baseline}
  .step:before{counter-increment:s;content:counter(s);font-family:var(--serif);font-weight:700;color:var(--amber);font-size:20px;min-width:22px}
  .step b{color:var(--blue-ink)}

  .loopfig{margin:26px 0;text-align:center}
  .loopfig svg{max-width:100%;height:auto}
  .loopfig figcaption{font-family:var(--sans);font-size:12px;color:var(--muted);margin-top:8px;max-width:60ch;margin-left:auto;margin-right:auto}

  .scale{border-left:3px solid var(--blue);background:var(--wash2);padding:12px 16px;border-radius:0 8px 8px 0;margin:12px 0 6px;max-width:66ch;font-size:15.5px}
  .scale b:first-child{font-family:var(--sans);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--blue-ink);display:block;margin-bottom:4px}

  .provenance{font-family:var(--sans);font-size:12.5px;color:var(--muted);line-height:1.7;max-width:72ch}
  .provenance li{margin-bottom:4px}
  .provenance b{color:var(--ink)}

  footer{border-top:1px solid var(--line);margin-top:44px;padding:24px 0 60px;color:var(--muted);font-size:12.5px;font-family:var(--sans)}
  footer .sigline{font-family:var(--serif);font-size:15px;color:var(--ink);margin-bottom:6px}
  footer a{margin-right:14px}

/* Frame — 980px frame, 760px reading column, wide-by-design elements keep the frame (her word, Sep 3, 2026, v3.100). */
.wrap{max-width:980px}
body>.wrap>*,body>main.wrap>*{max-width:760px;margin-left:max(0px,calc((100% - 760px)/2));margin-right:0} /* v3.108: the column's left edge is fixed; blocks narrower than 760 hug it (her word, Sep 4, 2026) */
/* v3.106 (Sep 4, 2026): the breakout rule is gone — every layout sits inside the 760 reading column; wide tables scroll inside their wrapper. Her word: "bring the other breakout layouts inside the column too." */