:root {
  --bg: #F4F6F5;
  --paper: #FFFFFF;
  --ink: #16232A;
  --ink-soft: #45535A;
  --hairline: #DCE2E0;
  --accent: #1F6B63;
  --accent-soft: #E4EEEC;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

/* ---------- Header / Footer ---------- */

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

.site-header .wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.wordmark img {
  display: block;
  height: 30px;
  width: auto;
}

.site-nav a {
  margin-left: 22px;
  color: var(--ink-soft);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.site-nav a.lang-switch {
  margin-left: 22px;
  padding: 5px 12px;
  border: 1px solid var(--hairline);
  border-radius: 20px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.site-nav a.lang-switch:hover {
  color: var(--paper);
  background: var(--accent);
  border-color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--hairline);
  margin-top: 64px;
}

.site-footer .wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 24px 48px;
  color: var(--ink-soft);
  font-size: 14px;
}

.site-footer a { color: var(--ink-soft); }

/* ---------- Document layout (privacy / support) ---------- */

main.doc {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 24px 40px;
}

main.doc .eyebrow {
  color: var(--accent);
  font-size: 15px;
  margin: 0 0 6px;
}

main.doc h1 {
  font-size: 34px;
  margin: 0 0 8px;
}

main.doc .updated {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 40px;
}

main.doc .lede {
  font-size: 18px;
  color: var(--ink-soft);
  margin-bottom: 40px;
}

main.doc section {
  padding: 28px 0;
  border-top: 1px solid var(--hairline);
}

main.doc section:first-of-type { border-top: none; padding-top: 0; }

main.doc h2 {
  font-size: 21px;
  margin: 0 0 4px;
  display: flex;
  gap: 12px;
  align-items: baseline;
}

main.doc h2 .num {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 600;
  color: var(--accent);
  font-size: 16px;
}

main.doc h3 {
  font-size: 17px;
  margin: 20px 0 6px;
}

main.doc p { margin: 12px 0; }
main.doc ul { margin: 12px 0; padding-left: 22px; }
main.doc li { margin: 6px 0; }

.callout {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  border-radius: 2px;
  font-size: 15px;
  color: var(--ink);
  margin: 20px 0;
}

.note {
  font-size: 14px;
  color: var(--ink-soft);
  font-style: italic;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}

table.data-table th, table.data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

table.data-table th {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 13px;
  text-transform: none;
}

/* ---------- Homepage ---------- */

.hero {
  max-width: 680px;
  margin: 0 auto;
  padding: 88px 24px 40px;
}

.hero h1 {
  font-size: 44px;
  margin: 0 0 18px;
}

.hero p {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 46ch;
}

.links {
  max-width: 680px;
  margin: 24px auto 80px;
  padding: 0 24px;
  display: grid;
  gap: 14px;
}

.link-tile {
  display: block;
  padding: 22px 24px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease;
}

.link-tile:hover { border-color: var(--accent); }

.link-tile .title {
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 4px;
}

.link-tile .desc {
  color: var(--ink-soft);
  font-size: 15px;
}

@media (max-width: 480px) {
  .hero h1 { font-size: 34px; }
  main.doc h1 { font-size: 28px; }
  .site-nav a { margin-left: 14px; }
}