:root {
  --slate: #3c4756;
  --slate-dark: #2b3542;
  --teal: #5ca6c6;
  --maroon: #8e2c46;
  --ink: #1d2530;
  --body: #39424e;
  --muted: #6b7684;
  --rule: #dfe3e8;
  --bg-soft: #f6f7f9;
  --max: 860px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--body);
  background: #fff;
}

/* ---------------------------------------------------------- header */
.masthead {
  background: var(--slate);
  color: #fff;
  padding: 28px 24px 24px;
}
.masthead-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
}
.masthead img {
  width: 74px;
  height: 74px;
  border-radius: 8px;
  display: block;
  flex: none;
}
.masthead h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: #fff;
}
.masthead p {
  margin: 3px 0 0;
  font-size: .88rem;
  color: #c3ccd6;
}

/* ---------------------------------------------------------- nav */
nav {
  background: var(--slate-dark);
  padding: 0 24px;
}
nav ul {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
}
nav a {
  display: block;
  padding: 12px 16px 12px 0;
  margin-right: 6px;
  color: #cdd6df;
  text-decoration: none;
  font-size: .92rem;
}
nav a:hover { color: #fff; }
nav a.current { color: #fff; box-shadow: inset 0 -3px 0 var(--teal); }

/* ---------------------------------------------------------- layout */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px 64px;
}

h2 {
  font-size: 1.5rem;
  color: var(--ink);
  margin: 0 0 6px;
  font-weight: 650;
  letter-spacing: -.01em;
}
h3 {
  font-size: 1.08rem;
  color: var(--ink);
  margin: 34px 0 8px;
  font-weight: 650;
}
h4 {
  font-size: .98rem;
  color: var(--ink);
  margin: 26px 0 4px;
  font-weight: 650;
}
.lede {
  color: var(--muted);
  margin: 0 0 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
p { margin: 0 0 14px; }
a { color: var(--maroon); }
a:hover { color: var(--slate-dark); }

/* ---------------------------------------------------------- tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 24px;
  font-size: .94rem;
}
caption {
  text-align: left;
  color: var(--muted);
  font-size: .86rem;
  padding-bottom: 8px;
}
th {
  text-align: left;
  font-weight: 650;
  color: var(--ink);
  border-bottom: 2px solid var(--slate);
  padding: 9px 12px 9px 0;
  vertical-align: bottom;
}
td {
  padding: 9px 12px 9px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
td.num, th.num { text-align: right; padding-right: 0; white-space: nowrap; }
tbody tr:hover td { background: var(--bg-soft); }

/* ---------------------------------------------------------- lists */
ul.plain { padding-left: 20px; }
ul.plain li { margin-bottom: 7px; }

dl.facts { margin: 10px 0 24px; }
dl.facts div {
  display: flex;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid var(--rule);
}
dl.facts dt { flex: 0 0 190px; color: var(--muted); font-size: .92rem; }
dl.facts dd { margin: 0; flex: 1; }

/* ---------------------------------------------------------- cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 26px 0 10px;
}
.card {
  border: 1px solid var(--rule);
  border-top: 3px solid var(--slate);
  padding: 18px 20px 20px;
}
.card h3 { margin: 0 0 6px; font-size: 1rem; }
.card p { margin: 0; font-size: .92rem; color: var(--muted); }
.card a { text-decoration: none; }
.card a:hover h3 { color: var(--maroon); }

.notice {
  background: var(--bg-soft);
  border-left: 3px solid var(--teal);
  padding: 14px 18px;
  margin: 22px 0;
  font-size: .93rem;
}
.notice p:last-child { margin-bottom: 0; }

.docs { list-style: none; padding: 0; margin: 10px 0 24px; }
.docs li {
  border-bottom: 1px solid var(--rule);
  padding: 11px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.docs .meta { color: var(--muted); font-size: .88rem; white-space: nowrap; }

/* ---------------------------------------------------------- footer */
footer {
  border-top: 1px solid var(--rule);
  background: var(--bg-soft);
  padding: 28px 24px 44px;
  font-size: .87rem;
  color: var(--muted);
}
footer div { max-width: var(--max); margin: 0 auto; }
footer p { margin: 0 0 8px; }
.updated {
  margin-top: 34px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-size: .86rem;
  color: var(--muted);
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .masthead-inner { gap: 14px; }
  .masthead img { width: 56px; height: 56px; }
  .masthead h1 { font-size: 1.12rem; }
  dl.facts div { flex-direction: column; gap: 2px; }
  dl.facts dt { flex: none; }
  table { font-size: .88rem; }
}