:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f8fb;
  color: #182033;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}
main {
  width: min(720px, 100%);
  border: 1px solid #d9deea;
  border-radius: 8px;
  background: #ffffff;
  padding: 32px;
  box-shadow: 0 16px 45px rgba(20, 28, 45, 0.08);
}
.kicker {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #4d6b9b;
  font-weight: 700;
}
h1 {
  margin: 10px 0 12px;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.05;
}
p {
  margin: 0;
  color: #455066;
  font-size: 17px;
  line-height: 1.55;
}
.meta {
  margin-top: 24px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: #5e6b81;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { background: #111522; color: #edf1f7; }
  main { background: #171d2c; border-color: #2c3548; box-shadow: none; }
  p, .meta { color: #b9c2d3; }
  .kicker { color: #90b7ff; }
}