:root {
  --accent: #2f517e;
  --bg: #ffffff;
  --fg: #1a1d21;
  --muted: #5a6472;
  --rule: #e4e8ee;
  --card: #f5f7fa;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #8fb0dd;
    --bg: #14171b;
    --fg: #e8ebef;
    --muted: #98a2b0;
    --rule: #2a2f36;
    --card: #1c2026;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
header.site {
  border-bottom: 1px solid var(--rule);
}
header.site .inner {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
header.site a.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}
header.site a.brand span { color: var(--accent); }
header.site nav {
  margin-left: auto;
  display: flex;
  gap: 1.1rem;
}
header.site nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
header.site nav a:hover { color: var(--accent); }
main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
h1 {
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}
h2 {
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin: 2.2rem 0 0.6rem;
}
h3 {
  font-size: 1.05rem;
  margin: 1.6rem 0 0.4rem;
}
p, li { color: var(--fg); }
.meta { color: var(--muted); font-size: 0.95rem; margin-bottom: 2rem; }
a { color: var(--accent); }
ul { padding-left: 1.3rem; }
li { margin: 0.35rem 0; }
.lede {
  font-size: 1.15rem;
  color: var(--muted);
}
.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1.1rem 1.3rem;
  margin: 1.4rem 0;
}
.table-wrap { overflow-x: auto; }
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.93rem;
  margin: 1rem 0;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--rule);
}
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
footer.site {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}
footer.site .inner {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.2rem 1.25rem;
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}
footer.site a { color: var(--muted); text-decoration: none; }
footer.site a:hover { color: var(--accent); }
.hero {
  text-align: center;
  padding: 3.5rem 0 2.5rem;
}
.hero h1 { font-size: 2.6rem; }
.hero .tagline {
  font-size: 1.3rem;
  color: var(--muted);
  margin: 0.4rem 0 1.8rem;
}
.badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 0.5rem 1.2rem;
  font-weight: 600;
  font-size: 0.95rem;
}
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.9rem;
  margin: 2.2rem 0;
  padding: 0;
  list-style: none;
}
.features li {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin: 0;
}
.features b { display: block; margin-bottom: 0.2rem; }