:root {
  --bg: #0B1220;
  --surface: #111A2B;
  --border: #2A3852;
  --text: #EAF1FF;
  --muted: #AAB7D1;
  --accent: #84CC16;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(135deg, #0F1A30, #0B1220 50%, #090F1C) fixed;
  background-color: var(--bg);
  color: var(--text);
  font: 17px/1.6 ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 16px 64px;
}

header { margin-bottom: 32px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 900;
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 0.02em;
}

h1 { font-size: 34px; line-height: 1.15; font-weight: 900; margin: 12px 0 4px; }
h2 { font-size: 20px; font-weight: 800; margin: 36px 0 8px; }
p, li { color: var(--text); }
.meta { color: var(--muted); font-size: 14px; margin: 0; }
.muted { color: var(--muted); }

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

ul { padding-left: 22px; }
li { margin: 6px 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  margin: 20px 0;
}

.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 700; }

nav.links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 8px; }

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}