{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #111;
  color: white;
  line-height: 1.6;
}

header {
  background: #1e1e1e;
  padding: 20px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

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

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

.hero h2 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background: #00adb5;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 40px;
}
}