:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b0f17;
  color: #edf3f5;
}

body {
  margin: 0;
  line-height: 1.65;
}

main, nav {
  width: min(720px, calc(100% - 40px));
  margin: auto;
}

nav {
  display: flex;
  gap: 20px;
  padding: 24px 0;
}

main {
  padding: 48px 0 80px;
}

h1, h2 {
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.25rem, 9vw, 4.5rem);
  margin: 0 0 20px;
}

h2 {
  margin-top: 40px;
}

a {
  color: #62e5cf;
}

.lede {
  color: #b9c7cc;
  font-size: 1.2rem;
}

.card {
  background: #141c27;
  border: 1px solid #263443;
  border-radius: 16px;
  margin: 20px 0;
  padding: 20px;
}

.muted {
  color: #91a1a8;
}