:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #161616;
  --muted: #5d6875;
  --line: #c9d2dc;
  --accent: #005ea8;
  --accent-dark: #003f73;
  --surface: #f5f7fa;
  --warning: #fff6d7;
  font-size: 100%;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.58;
}

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
a:focus-visible, button:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: .6rem .8rem;
  background: #ffbf47;
  color: #111;
}
.skip-link:focus { top: 1rem; }

header.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.wrap {
  width: min(76rem, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header .wrap,
footer .wrap {
  padding: 1rem 0;
}

main.wrap {
  padding: 2rem 0 3rem;
}

.kicker {
  margin: 0 0 .25rem;
  color: var(--muted);
  font-size: .95rem;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  margin: 1.8em 0 .45em;
}

h1 strong, h2 strong, h3 strong, h4 strong, h5 strong, h6 strong {
  font-weight: inherit;
}

h1 {
  margin-top: 0;
  font-size: clamp(1.9rem, 1.6rem + 1vw, 2.6rem);
}
h2 { font-size: 1.65rem; border-top: 1px solid var(--line); padding-top: 1rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

.source-heading-level-4 {
  font-size: 1.15rem;
}

.heading-number {
  color: var(--muted);
  margin-right: .25rem;
  white-space: nowrap;
}

p, li { max-width: 78ch; }

.document-meta,
.notice,
.downloads,
.toc {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 1rem;
  margin: 1.25rem 0;
}

.notice {
  background: var(--warning);
  border-color: #d7b945;
}

.downloads ul,
.toc ol,
.index-list {
  margin-bottom: 0;
}

.toc ol {
  padding-left: 1.4rem;
}

.toc li {
  margin: .25rem 0;
}

.word-toc {
  margin: 1.25rem 0 2rem;
  max-width: 58rem;
}

.word-toc-row {
  display: grid;
  grid-template-columns: minmax(0, auto) 1fr auto;
  gap: .45rem;
  align-items: baseline;
  line-height: 1.35;
  margin: .18rem 0;
}

.word-toc-level-2 { padding-left: 1.75rem; }
.word-toc-level-3 { padding-left: 3.25rem; }

.word-toc-title {
  min-width: 0;
}

.word-toc-leader {
  border-bottom: 1px dotted #667085;
  min-width: 1.5rem;
  transform: translateY(-.18rem);
}

.word-toc-page {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.prospectus-content {
  margin-top: 2rem;
}

.prospectus-content > p {
  margin-left: 2rem;
}

.prospectus-content > ul,
.prospectus-content > ol {
  margin-left: 1rem;
  padding-left: 1rem;
}

.prospectus-content > ul > li,
.prospectus-content > ol > li {
  padding-left: .15rem;
}

.prospectus-content li > ol,
.prospectus-content li > ul {
  margin-top: .35rem;
  margin-bottom: .35rem;
  margin-left: 1.75rem;
  padding-left: 0;
}

ol.list-paren-decimal,
ol.list-lower-alpha-paren {
  list-style: none;
  counter-reset: item;
}

ol.list-paren-decimal > li,
ol.list-lower-alpha-paren > li {
  counter-increment: item;
  position: relative;
  padding-left: 2.6rem;
}

ol.list-paren-decimal > li::before {
  content: "(" counter(item) ") ";
  position: absolute;
  left: 0;
  width: 2rem;
  text-align: right;
}

ol.list-lower-alpha-paren > li::before {
  content: counter(item, lower-alpha) ") ";
  position: absolute;
  left: 0;
  width: 1.6rem;
  text-align: right;
}

ol.list-nested-alpha {
  margin-left: 3rem;
}

.source-heading-like {
  font-weight: 700;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5rem 0;
  font-size: .96rem;
}

caption {
  text-align: left;
  font-weight: 700;
  margin-bottom: .4rem;
}

th, td {
  border: 1px solid var(--line);
  padding: .55rem .65rem;
  vertical-align: top;
}

th {
  background: #e9eef5;
  text-align: left;
}

figure {
  margin: 1.5rem 0;
}

img {
  max-width: 100%;
  height: auto;
}

.footnotes, .endnotes {
  border-top: 1px solid var(--line);
  margin-top: 2.5rem;
  padding-top: 1rem;
}

.backlink {
  margin-left: .35rem;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 48rem) {
  .wrap { width: min(100% - 1rem, 76rem); }
  main.wrap { padding-top: 1.25rem; }
  table { display: block; overflow-x: auto; }
  .word-toc-row { grid-template-columns: minmax(0, 1fr) auto; }
  .word-toc-leader { display: none; }
}

@media print {
  .skip-link, .site-header nav, .downloads { display: none; }
  body { font-size: 11pt; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 9pt; }
}