:root {
  --violet: #7d64e0;
  --mint: #c4ed9e;
  --bg: #211f33;
  --panel: #2b2841;
  --text: #eceaf5;
  --muted: #a9a4c4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 48px 20px 80px;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main { max-width: 680px; margin: 0 auto; }

header { margin-bottom: 40px; }

.bolt { font-size: 34px; }

h1 {
  font-size: 40px;
  letter-spacing: -1.5px;
  margin: 4px 0 0;
  font-weight: 800;
}

.tagline { color: var(--muted); margin: 2px 0 0; font-size: 15px; letter-spacing: 0.3px; text-transform: uppercase; }

h2 {
  font-size: 21px;
  margin: 40px 0 10px;
  letter-spacing: -0.3px;
}

h3 { font-size: 17px; margin: 26px 0 6px; color: var(--mint); }

p, li { color: #dcd9ea; }
li { margin-bottom: 8px; }

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

.updated { color: var(--muted); font-size: 14px; margin-top: -24px; margin-bottom: 32px; }

.callout {
  background: var(--panel);
  border-left: 3px solid var(--violet);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 28px 0;
  color: #e6e3f2;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid #3a3654;
  display: flex;
  gap: 22px;
  font-size: 15px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f6fb;
    --panel: #eceaf7;
    --text: #241f38;
    --muted: #6d6890;
  }
  p, li { color: #3a3553; }
  .callout { color: #332e4b; }
  footer { border-top-color: #ddd9ee; }
}