:root {
  --brand: #155EEF;
  --brand-dark: #0040C1;
  --ink: #181D27;
  --ink-2: #414651;
  --muted: #717680;
  --line: #E9EAEB;
  --bg: #FFFFFF;
  --bg-soft: #FAFAFA;
  --brand-soft: #EFF4FF;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-soft);
  color: var(--ink-2);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 820px; margin: 0 auto; padding: 0 20px 40px; }
header.top {
  background: linear-gradient(135deg, #1E3A8A 0%, var(--brand) 55%, #0F172A 100%);
  color: #fff;
  padding: 44px 20px 38px;
}
header.top .inner { max-width: 820px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.brand svg { width: 40px; height: 40px; flex: none; }
.brand span { font-size: 19px; font-weight: 700; letter-spacing: -0.2px; }
header.top h1 { margin: 0 0 8px; font-size: 30px; line-height: 1.2; font-weight: 800; letter-spacing: -0.5px; }
header.top p.sub { margin: 0; opacity: .85; font-size: 14.5px; }
nav.langs { display: flex; gap: 8px; margin-top: 22px; flex-wrap: wrap; }
nav.langs button {
  appearance: none; border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.10); color: #fff;
  padding: 7px 16px; border-radius: 999px; font: inherit; font-size: 13.5px;
  font-weight: 600; cursor: pointer; transition: background .15s, border-color .15s;
}
nav.langs button:hover { background: rgba(255,255,255,.20); }
nav.langs button[aria-selected="true"] { background: #fff; color: var(--brand-dark); border-color: #fff; }
main {
  background: var(--bg); margin-top: -18px; border-radius: 16px;
  border: 1px solid var(--line); padding: 36px 34px 44px;
  box-shadow: 0 4px 24px rgba(16,24,40,.06);
}
section[hidden] { display: none; }
h2 { color: var(--ink); font-size: 21px; margin: 38px 0 12px; letter-spacing: -0.3px; line-height: 1.3; }
h2:first-of-type { margin-top: 0; }
p { margin: 0 0 14px; }
ul { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 8px; }
a { color: var(--brand); }
strong { color: var(--ink); font-weight: 650; }
.meta {
  font-size: 13.5px; color: var(--muted); border-bottom: 1px solid var(--line);
  padding-bottom: 18px; margin-bottom: 30px;
}
.tablewrap { overflow-x: auto; margin: 0 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 520px; }
th, td { text-align: left; padding: 11px 13px; border: 1px solid var(--line); vertical-align: top; }
th { background: var(--brand-soft); color: var(--ink); font-weight: 650; }
.callout {
  background: var(--brand-soft); border: 1px solid #C7D9FF; border-radius: 12px;
  padding: 16px 18px; margin: 0 0 22px; font-size: 15px;
}
.callout strong { color: var(--brand-dark); }
.warn { background: #FFFBEB; border-color: #FDE68A; }
.warn strong { color: #92400E; }
.contact {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 20px; margin: 0 0 12px;
}
.contact p { margin: 0 0 6px; }
.contact p:last-child { margin: 0; }
.fill {
  background: #FEF3C7; border-bottom: 2px dotted #D97706; color: #92400E;
  padding: 1px 5px; border-radius: 3px; font-size: 14px; font-weight: 600;
}
footer.bot { text-align: center; color: var(--muted); font-size: 13px; padding: 26px 20px 40px; }
footer.bot a { margin: 0 8px; }
@media (max-width: 600px) {
  header.top { padding: 32px 18px 34px; }
  header.top h1 { font-size: 24px; }
  main { padding: 26px 20px 34px; border-radius: 14px; }
  h2 { font-size: 19px; }
  .wrap { padding: 0 14px 30px; }
}