body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: #f7f9fb;
  color: #2c4a5f;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  text-align: center;
}
header {
  margin-top: 40px;
}
.logo {
  width: 400px;
  height: auto;
}
main h1 {
  font-size: 2.2rem;
  margin: 20px 0 0 0;
  color: #2c4a5f;
}
main h2 {
  font-size: 1.2rem;
  margin: 5px 0 20px 0;
  color: #5b7080;
  font-weight: 400;
}
.message {
  font-size: 1.3rem;
  font-weight: 600;
  color: #2f5775;
  margin: 20px 0 5px 0;
}
.sub {
  font-size: 1rem;
  color: #6e8190;
}
footer {
  position: fixed;
  bottom: 10px;
  font-size: 0.8rem;
  color: #9aa9b5;
}