body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #333;
  line-height: 1.6;
}

header {
  background: #111;
  padding: 15px 20px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

.hero {
  text-align: center;
  padding: 100px 20px;
  background: #f5f5f5;
}

.hero h1 {
  font-size: 3em;
  margin-bottom: 10px;
}

.hero a {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 20px;
  background: black;
  color: white;
  text-decoration: none;
}

section {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
}

footer {
  text-align: center;
  padding: 20px;
  background: #111;
  color: white;
  margin-top: 40px;
}