body{
  margin:0;
  font-family:Arial,sans-serif;
  background:#f4f4f4;
  color:#222;
}
header{
  background:#c40000;
  color:white;
  padding:20px;
}
nav{
  background:#111;
  padding:12px;
}
nav a{
  color:white;
  margin-right:20px;
  text-decoration:none;
  font-weight:bold;
}
.hero{
  background:linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.7)), url('https://images.unsplash.com/photo-1487754180451-c456f719a1fc?q=80&w=1600');
  background-size:cover;
  background-position:center;
  color:white;
  text-align:center;
  padding:120px 20px;
}
.hero h1{
  font-size:52px;
}
.container{
  width:90%;
  max-width:1200px;
  margin:auto;
  padding:40px 0;
}
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}
.card{
  background:white;
  padding:25px;
  border-radius:12px;
  box-shadow:0 2px 10px rgba(0,0,0,.1);
}
.btn{
  background:#c40000;
  color:white;
  padding:14px 24px;
  display:inline-block;
  text-decoration:none;
  border-radius:8px;
  margin-top:15px;
}
footer{
  background:#111;
  color:white;
  text-align:center;
  padding:20px;
  margin-top:40px;
}