body {
  font-family: Arial, sans-serif;
  background: #fff;
  color: #222;
  margin: 0;
  padding: 0;
}

.navbar {
  background: #000;
  color: #fff;
  padding: 1rem;
}
.navbar a { color: #fff; margin: 0 1rem; text-decoration: none; }

.hero {
  text-align: center;
  padding: 3rem;
  background: #f8f8f8;
}

.btn {
  background: #000;
  color: #fff;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding: 2rem;
}

.card {
  border: 1px solid #ccc;
  padding: 1rem;
}