body {
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  background:#f4f6f8;
}

.container {
  width:90%;
  max-width:1100px;
  margin:auto;
}

header {
  background:#1e2a38;
  color:white;
  padding:20px 0;
}

nav a {
  color:white;
  margin-right:15px;
  text-decoration:none;
}

.hero {
  background:#2d3e50;
  color:white;
  padding:80px 0;
  text-align:center;
}

.features {
  display:flex;
  gap:20px;
  padding:40px 0;
}

.feature {
  background:white;
  padding:20px;
  border-radius:6px;
  flex:1;
  box-shadow:0 2px 6px rgba(0,0,0,0.1);
}

footer {
  text-align:center;
  padding:20px;
  background:#1e2a38;
  color:white;
}