:root {
  color-scheme: dark;
  --background: #0b0e14;
  --surface: #161b26;
  --line: #2e3138;
  --text: #eef2f7;
  --muted: #98a2b3;
  --cobalt: #4d8dff;
  --amber: #ffb020;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
header a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }
nav a { color: var(--muted); margin-right: 16px; text-decoration: none; }
nav a:hover, a:hover { color: var(--text); }
h1 { font-size: 36px; line-height: 1.15; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 36px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--cobalt); }
.summary { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; margin: 24px 0; }
.summary ul { margin: 8px 0 0; padding-left: 20px; }
.cta { display: inline-block; margin-top: 16px; background: var(--cobalt); color: #0b0e14; font-weight: 700; padding: 12px 18px; border-radius: 12px; text-decoration: none; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
@media (max-width: 560px) { h1 { font-size: 30px; } table { font-size: 14px; } }