body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f6f8;
  color: #333;
}
header {
  background: #1e66ff;
  color: white;
  text-align: center;
  padding: 40px 20px;
}
h1 { margin: 0; font-size: 42px; }
.about, .services, .contact {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
  background: white;
  margin-top: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
ul { list-style: none; padding: 0; }
ul li { padding: 8px 0; font-size: 18px; }
footer {
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  background: #222;
  color: white;
}