body {
  margin: 0;
  font-family: sans-serif;
  background: #ffffff;
  color: #111;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
}
h1, h2, h3 {
  margin-bottom: 10px;
}
ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 20px;
}
a {
  color: #000;
  text-decoration: none;
  font-weight: bold;
}
.hero {
  background: #f5f5f5;
  padding: 80px 20px;
  text-align: center;
}
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 30px;
  background: black;
  color: white;
  border-radius: 4px;
}