body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0a0a0f;
  color: #fff;
  text-align: center;
}
header {
  padding: 40px 20px;
  background: linear-gradient(90deg, #6a00f4, #a100ff);
}
h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}
p {
  font-size: 1.2rem;
}
.buttons {
  margin: 30px 0;
}
.btn {
  display: inline-block;
  margin: 10px;
  padding: 15px 25px;
  font-size: 1rem;
  color: #fff;
  background: #6a00f4;
  border-radius: 12px;
  text-decoration: none;
  transition: 0.3s;
  box-shadow: 0 0 10px #6a00f4;
}
.btn:hover {
  background: #a100ff;
  box-shadow: 0 0 20px #a100ff;
}
.btn.wa {
  background: #25d366;
  box-shadow: 0 0 10px #25d366;
}
.testimoni {
  padding: 40px 20px;
}
.testimoni h2 {
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: #a100ff;
}
.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 20px;
  margin: 15px auto;
  max-width: 500px;
  box-shadow: 0 0 10px rgba(161, 0, 255, 0.5);
}
footer {
  padding: 20px;
  font-size: 0.9rem;
  background: #111;
  margin-top: 40px;
}