body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #222;
  background: #f8f9fa;
}
header {
  background: #ffffff;
  padding: 15px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.logo {
  height: 40px;
}
nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #333;
  font-weight: 600;
}
.hero {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(to right, #0078ff, #00c6ff);
  color: white;
}
.hero .btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background: white;
  color: #0078ff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}
footer {
  text-align: center;
  padding: 20px;
  background: #fff;
  margin-top: 40px;
}