body {
  font-family: Arial, sans-serif;
}

.card {
  border-radius: 12px;
}

.card-header h3 {
  margin: 0;
}

.btn {
  font-weight: bold;
}

.hero-section {
  padding: 80px 0;
}

.hero-section h1 {
  font-size: 2.5rem;
}

.hero-section p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}