html {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1f2937;
  background: #f6f7f9;
}

body {
  margin: 0;
}

main {
  max-width: 760px;
  margin: 12vh auto;
  padding: 32px;
}

h1 {
  font-size: 42px;
  margin-bottom: 8px;
}

.lead {
  font-size: 20px;
  color: #64748b;
}

section {
  margin-top: 48px;
  padding: 24px;
  background: white;
  border-radius: 12px;
}

footer {
  margin-top: 48px;
  color: #94a3b8;
}