:root {
  color-scheme: light dark;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f6f7f9;
  color: #1f2933;
}
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
}
main {
  width: min(640px, calc(100% - 40px));
  padding: 48px 0;
}
.eyebrow {
  color: #667085;
  margin: 0 0 12px;
}
h1 {
  font-size: 42px;
  line-height: 1.1;
  margin: 0 0 16px;
}
p {
  font-size: 17px;
  line-height: 1.6;
}
a {
  color: #175cd3;
  margin-right: 18px;
}
@media (prefers-color-scheme: dark) {
  :root {
    background: #101418;
    color: #e5e7eb;
  }
  .eyebrow { color: #98a2b3; }
  a { color: #84caff; }
}