:root {
    --brand: #0886C8;
    --brand-deep: #066ba0;
    --ink: #0e1116;
    --ink-2: #2a2f37;
    --ink-3: #555c66;
    --ink-mute: #8a93a0;
    --rule: #e7eaee;
    --rule-soft: #f1f3f5;
    --bg: #ffffff;
    --bg-soft: #fafbfc;
    --hl: #f5f8fb;
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  html, body { margin: 0; padding: 0; }
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--ink-2);
    background: var(--bg);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  /* Layout */
  .layout {
    max-width: 1180px;
    margin: 0 auto;
    padding: 56px 40px 96px;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 64px;
  }

  /* Left rail */
  nav.toc {
    position: sticky;
    top: 40px;
    align-self: start;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    padding-right: 8px;
  }
  nav.toc::-webkit-scrollbar { width: 6px; }
  nav.toc::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 3px; }

  nav.toc .toc-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--ink-mute);
    margin: 0 0 14px;
    padding-left: 12px;
  }
  nav.toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  nav.toc li.toc-rule {
    border-top: 1px solid var(--rule);
    margin: 12px 12px;
    height: 0;
    padding: 0;
  }
  nav.toc a {
    display: block;
    padding: 6px 12px;
    color: var(--ink-3);
    text-decoration: none;
    font-size: 13.5px;
    line-height: 1.45;
    border-left: 2px solid transparent;
    transition: color 0.12s ease, border-color 0.12s ease, background 0.12s ease;
  }
  nav.toc a:hover {
    color: var(--brand);
    background: var(--hl);
  }
  nav.toc a.active {
    color: var(--brand);
    border-left-color: var(--brand);
    background: var(--hl);
    font-weight: 500;
  }

  /* Main content */
  main.content {
    max-width: 720px;
    padding-top: 8px;
  }

  /* Document header */
  .doc-head {
    margin-bottom: 24px;
  }
  .doc-eyebrow {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand);
    margin-bottom: 12px;
  }
  .doc-title {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.022em;
    color: var(--ink);
    margin: 0 0 14px;
  }
  .doc-meta {
    font-size: 14px;
    color: var(--ink-mute);
  }
  .doc-meta span + span::before {
    content: "·";
    margin: 0 10px;
    opacity: 0.5;
  }

  /* Section headings */
  main.content h2 {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin: 64px 0 18px;
    scroll-margin-top: 32px;
  }
  main.content h2::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand);
    margin-bottom: 6px;
  }
  main.content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin: 32px 0 12px;
  }

  /* Body */
  main.content p {
    margin: 0 0 14px;
    color: var(--ink-2);
  }
  main.content ul, main.content ol {
    margin: 0 0 18px;
    padding-left: 22px;
    color: var(--ink-2);
  }
  main.content li {
    margin: 6px 0;
    padding-left: 4px;
  }
  main.content strong { color: var(--ink); font-weight: 600; }
  main.content em { color: var(--ink-2); }
  main.content a {
    color: var(--brand);
    text-decoration: none;
    border-bottom: 1px solid rgba(8, 134, 200, 0.3);
    transition: border-color 0.12s ease, color 0.12s ease;
  }
  main.content a:hover { color: var(--brand-deep); border-bottom-color: var(--brand-deep); }
  main.content hr {
    border: 0;
    border-top: 1px solid var(--rule);
    margin: 48px 0;
  }

  /* Tables (Definitions, etc.) */
  main.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0 24px;
    font-size: 14.5px;
  }
  main.content table th {
    text-align: left;
    font-weight: 600;
    color: var(--ink);
    padding: 12px 16px 12px 0;
    border-bottom: 2px solid var(--rule);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-mute);
  }
  main.content table td {
    padding: 14px 16px 14px 0;
    vertical-align: top;
    border-bottom: 1px solid var(--rule-soft);
    color: var(--ink-2);
    line-height: 1.6;
  }
  main.content table tr:last-child td { border-bottom: none; }
  main.content table td:first-child {
    padding-right: 24px;
    width: 22%;
  }
  main.content colgroup { display: none; }

  /* AUTHORIZATION block — signature area */
  main.content h2#authorization {
    margin-top: 80px;
    padding-top: 32px;
    border-top: 2px solid var(--rule);
  }

  /* Footer */
  footer {
    border-top: 1px solid var(--rule);
    padding: 32px 40px;
    text-align: center;
    color: var(--ink-mute);
    font-size: 13px;
  }
  footer .brand-mark {
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.01em;
  }
  footer .brand-mark .dot { color: var(--brand); }

  /* Responsive */
  @media (max-width: 900px) {
    .layout {
      grid-template-columns: 1fr;
      gap: 24px;
      padding: 32px 24px 64px;
    }
    nav.toc {
      position: static;
      max-height: none;
      padding: 16px 0 0;
      border-bottom: 1px solid var(--rule);
      margin-bottom: 16px;
    }
    main.content h2 { font-size: 19px; margin-top: 48px; }
    .doc-title { font-size: 30px; }
  }

  /* Print */
  @media print {
    body { font-size: 11pt; line-height: 1.5; color: #000; }
    nav.toc, footer { display: none; }
    .layout { display: block; padding: 0; max-width: none; }
    main.content { max-width: none; padding: 0; }
    main.content h2 { page-break-after: avoid; }
    main.content h2::before { color: #555; }
    .doc-eyebrow { color: #555; }
    .doc-title { font-size: 24pt; }
    a { color: #000; border-bottom: none; }
  }

  /* Footer links (legal pages only) */
  footer a { color: var(--ink-3); text-decoration: none; }
  footer a:hover { color: var(--brand); }