body {
  font-family: 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #222;
  background: #f9fbfd;
}
header {
  background: linear-gradient(90deg, #005baa, #007bff);
  color: #fff;
  text-align: center;
  padding: 40px 20px;
}
h1 {
  margin: 0;
  font-size: 2rem;
}
.tagline {
  font-size: 1.1rem;
}
main {
  max-width: 900px;
  margin: 30px auto;
  padding: 0 20px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  border-radius: 10px;
}
h2, h3 {
  color: #005baa;
  margin-top: 20px;
}
p {
  margin: 10px 0;
}
footer {
  text-align: center;
  padding: 20px;
  background: #eee;
  color: #555;
  font-size: 0.9rem;
  margin-top: 40px;
}