:root {
  --ink: #11263b;
  --body: #3d4f63;
  --muted: #7a8899;
  --line: #e0e3e8;
  --bg: #fff;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  font: 16px/1.6 Inter, system-ui, sans-serif;
  color: var(--body);
  background: var(--bg);
}
header, main, footer {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}
header a { color: var(--ink); font-weight: 650; text-decoration: none; }
nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
main { padding: 2.5rem 0 4rem; }
h1 { margin: 0 0 1rem; color: var(--ink); font-size: 1.8rem; letter-spacing: -0.03em; }
h2 { margin: 2rem 0 0.6rem; color: var(--ink); font-size: 1.15rem; }
p, li { margin: 0 0 0.85rem; }
ul { padding-left: 1.2rem; }
footer {
  padding: 1.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}
script[type="application/ld+json"] { display: none; }