body {
  background-color: #0f0f0f;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
}

.container {
  max-width: 500px;
  padding: 20px;
}

h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

p {
  font-size: 18px;
  margin-bottom: 30px;
}

.whatsapp {
  background-color: #25D366;
  color: white;
  padding: 15px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 20px;
  transition: background 0.3s;
}

.whatsapp:hover {
  background-color: #1ebe5c;
}