:root {
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --accent: #1e3a8a;
  --accent-hover: #1e40af;
  --warn-bg: #fef3c7;
  --warn-ink: #78350f;
}

* { box-sizing: border-box; }

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

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1.25rem 4rem;
}

header.site {
  border-bottom: 1px solid var(--line);
  padding: 1.25rem 0;
  margin-bottom: 2rem;
}

header.site nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  justify-content: space-between;
}

header.site a.brand {
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink);
}

header.site nav .links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

header.site nav .links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

header.site nav .links a:hover { color: var(--accent); }

h1, h2, h3 { line-height: 1.25; color: var(--ink); }
h1 { font-size: 2rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.4rem; margin: 2rem 0 0.75rem; }
h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }

p { margin: 0 0 1rem; }

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

.meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 1.5rem;
}

.disclosure {
  background: var(--warn-bg);
  color: var(--warn-ink);
  border-left: 4px solid #d97706;
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
  border-radius: 4px;
  margin: 0 0 2rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 0.7rem 1.15rem;
  border-radius: 6px;
  font-weight: 600;
  margin: 0.5rem 0;
}

.cta:hover { background: var(--accent-hover); color: #fff; }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1rem 0 1.5rem; }

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  margin: 0 0 1rem;
  background: var(--bg-soft);
}

.card h3 { margin-top: 0; }
.card .meta { margin: 0.25rem 0 0.75rem; }
.card a.read { font-weight: 600; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.94rem;
}

th, td {
  border: 1px solid var(--line);
  padding: 0.6rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

th { background: var(--bg-soft); font-weight: 700; }

ul, ol { margin: 0 0 1rem 1.25rem; padding: 0; }
li { margin: 0.25rem 0; }

blockquote {
  border-left: 3px solid var(--accent);
  margin: 1rem 0;
  padding: 0.25rem 1rem;
  color: var(--ink-soft);
  font-style: italic;
}

hr { border: none; border-top: 1px solid var(--line); margin: 2rem 0; }

footer.site {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding-top: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

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

@media (max-width: 540px) {
  body { font-size: 16px; }
  .wrap { padding: 0.75rem 1rem 3rem; }
  h1 { font-size: 1.65rem; }
  h2 { font-size: 1.25rem; }
  table { font-size: 0.88rem; }
  th, td { padding: 0.45rem 0.55rem; }
}