.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  background: #f5f5f5;
  text-align: center;
}
.hero-content {
  max-width: 800px;
}
.hero-subtitle {
  font-size: 1.25rem;
  color: #555;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 2.5rem;
  color: #222;
  margin: 0 0 20px;
}
.hero-stats {
  font-size: 1rem;
  color: #777;
  margin-bottom: 30px;
}
.hero-buttons .btn {
  display: inline-block;
  padding: 14px 28px;
  margin: 0 10px;
  border-radius: 30px;
  font-weight: bold;
  text-decoration: none;
}
.btn-primary {
  background-color: #3d7979;
  color: white;
  border: 2px solid #3d7979;
  transition: background-color 0.3s, border-color 0.3s;
}
.btn-primary:hover {
  background-color: #998675;
  border-color: #998675;
}
.btn-secondary {
  background-color: transparent;
  color: #3d7979;
  border: 2px solid #3d7979;
}
.btn-secondary:hover {
  background-color: #3d7979;
  color: white;
}