body {
  font-family: system-ui, sans-serif;
  margin: 0;
  color: #1d2429;
}
.topbar {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid #d9e0e3;
}
.logo {
  font-weight: 700;
}
main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
footer {
  padding: 1.5rem;
  color: #5c6a72;
}