body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background-color: #0d0d0d;
  color: #fff;
}

.hero {
  height: 100vh;
  background: url('https://images.unsplash.com/photo-1549921296-3a9d93c5f3ad?auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.overlay {
  background: rgba(0, 0, 0, 0.7);
  padding: 40px;
  text-align: center;
  border: 2px solid #7f5af0;
  border-radius: 20px;
  backdrop-filter: blur(8px);
}

button {
  background: #7f5af0;
  border: none;
  padding: 12px 24px;
  margin-top: 20px;
  border-radius: 10px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background: #a78bfa;
}

.what, .testimonials {
  padding: 60px 20px;
  text-align: center;
  background: #1a1a1a;
}