:root{
    --brand:#1497D0;
    --brand-deep:#0F7BAB;
    --brand-soft:rgba(20,151,208,.08);
    --ink:#0B2233;
    --ink-2:#2F4E63;
    --ink-3:#5B7381;
    --muted:#8298A6;
    --line:rgba(11,34,51,.10);
    --bg:#FFFFFF;
    --bg-alt:#F6FBFD;
    --radius:14px;
    --shadow-sm:0 2px 6px rgba(11,34,51,.06);
    --shadow-md:0 8px 24px rgba(11,34,51,.09);
    --font-sans:"Inter","Helvetica Neue",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
    --font-serif:"Source Serif Pro","Merriweather","Georgia",serif;
  }
  *{box-sizing:border-box;-webkit-font-smoothing:antialiased}
  html,body{margin:0;padding:0}
  body{
    font-family:var(--font-sans);
    color:var(--ink);
    background:var(--bg);
    line-height:1.65;
    font-size:16px;
  }

  /* Top bar */
  .top-bar{
    position:sticky;top:0;z-index:20;
    background:rgba(255,255,255,.94);
    backdrop-filter:saturate(180%) blur(10px);
    -webkit-backdrop-filter:saturate(180%) blur(10px);
    border-bottom:1px solid var(--line);
  }
  .top-bar-inner{
    max-width:960px;margin:0 auto;
    padding:14px 24px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
  }
  .brand-link{
    display:inline-flex;align-items:center;gap:10px;
    text-decoration:none;color:var(--ink);
    font-weight:700;font-size:17px;letter-spacing:-.005em;
  }
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:32px;height:32px;border-radius:8px;
    background:var(--brand);color:#fff;
    font-family:var(--font-serif);font-weight:600;font-size:18px;
  }
  .back-home{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--ink-3);text-decoration:none;
    font-size:14px;font-weight:500;
    transition:color .18s ease;
  }
  .back-home:hover{color:var(--brand)}
  .back-home svg{width:14px;height:14px}

  /* Page container */
  main{
    max-width:760px;margin:0 auto;
    padding:56px 24px 96px;
  }

  /* Page header */
  .page-eyebrow{
    display:inline-flex;align-items:center;
    font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
    color:var(--brand);
    margin:0 0 14px;
  }
  h1.page-title{
    font-family:var(--font-serif);
    font-size:38px;line-height:1.18;
    color:var(--ink);
    margin:0 0 10px;
    letter-spacing:-.012em;
    font-weight:600;
  }
  .updated-line{
    color:var(--muted);
    font-size:13.5px;
    margin:0 0 42px;
  }
  .intro-lead{
    font-size:17px;
    color:var(--ink-2);
    line-height:1.7;
    margin:0 0 44px;
    padding:20px 22px;
    background:var(--bg-alt);
    border-left:3px solid var(--brand);
    border-radius:6px;
  }

  /* Section */
  section.doc-section{
    margin:0 0 40px;
  }
  section.doc-section h2{
    font-family:var(--font-serif);
    font-size:22px;line-height:1.3;
    color:var(--ink);
    margin:0 0 14px;
    font-weight:600;
    letter-spacing:-.006em;
  }
  section.doc-section p{
    color:var(--ink-2);
    margin:0 0 14px;
  }
  section.doc-section ul,
  section.doc-section ol{
    color:var(--ink-2);
    padding-left:22px;
    margin:0 0 14px;
  }
  section.doc-section li{margin:0 0 8px}
  section.doc-section strong{color:var(--ink);font-weight:600}
  section.doc-section a{color:var(--brand);text-decoration:none;border-bottom:1px solid rgba(20,151,208,.28)}
  section.doc-section a:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep)}

  /* Contact card */
  .contact-card{
    margin:22px 0 0;
    padding:22px 24px;
    background:var(--bg-alt);
    border:1px solid var(--line);
    border-radius:var(--radius);
  }
  .contact-card p{margin:0 0 6px;font-size:15px}
  .contact-card p:last-child{margin:0}
  .contact-card strong{color:var(--ink)}

  hr.doc-divider{
    border:0;border-top:1px solid var(--line);
    margin:48px 0 32px;
  }

  .fine-print{
    font-size:13.5px;color:var(--muted);line-height:1.6;
  }

  /* Site footer (minimal) */
  .site-foot{
    border-top:1px solid var(--line);
    background:var(--bg-alt);
    padding:28px 24px;
    text-align:center;
    font-size:13px;color:var(--ink-3);
  }
  .site-foot a{color:var(--ink-3);text-decoration:none;margin:0 8px;transition:color .18s ease}
  .site-foot a:hover{color:var(--brand)}
  .site-foot .sep{color:rgba(11,34,51,.20)}
  .site-foot .copy{display:block;margin-top:10px;color:var(--muted);font-size:12.5px}

  @media (max-width:640px){
    h1.page-title{font-size:30px}
    .intro-lead{font-size:15.5px;padding:16px 18px}
    main{padding:40px 20px 72px}
    .top-bar-inner{padding:12px 18px}
    section.doc-section h2{font-size:19px}
  }

  @media print{
    .top-bar,.site-foot{display:none}
    body{font-size:12pt;line-height:1.5}
    main{max-width:none;padding:0}
    h1.page-title{font-size:24pt}
    section.doc-section h2{font-size:14pt}
    .intro-lead{background:none;border-left:2px solid #999;padding:8pt 12pt}
    .contact-card{background:none;border:1px solid #999}
    a{color:#000;border-bottom:none}
  }