body{
  margin:0;
  font-family: Arial, sans-serif;
  background:#0b0b0b;
  color:#fff;
}
a{color:#fff;text-decoration:none;}
.nav{
  display:flex;
  justify-content:space-between;
  padding:20px 40px;
  background:#000;
  position:sticky;
  top:0;
}
.nav a{margin:0 10px;opacity:0.8}
.hero{
  height:90vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  background:linear-gradient(rgba(0,0,0,0.7),rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1500530855697-b586d89ba3ee') center/cover;
}
.hero h1{font-size:48px;margin:0}
.hero p{opacity:0.8}
.btn{
  margin-top:20px;
  padding:12px 20px;
  background:#fff;
  color:#000;
  border:none;
  cursor:pointer;
}
.section{
  padding:60px 20px;
  max-width:1100px;
  margin:auto;
}
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:20px;
}
.card{
  background:#111;
  padding:20px;
  border-radius:10px;
}
.footer{
  text-align:center;
  padding:30px;
  background:#000;
  font-size:12px;
}
input,textarea,select{
  width:100%;
  padding:10px;
  margin-top:10px;
  background:#111;
  border:1px solid #333;
  color:#fff;
}