body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 2rem;
  background: #fff;
  color: #222;
}
header {
  text-align: center;
  padding: 4rem 2rem;
}
.logo {
  max-width: 180px;
  height: auto;
  margin-bottom: 1.5rem;
}
.call-button, .contact-button, .whatsapp-button {
  display: inline-block;
  background: black;
  color: white;
  padding: 1rem 2rem;
  margin: 0.5rem;
  text-decoration: none;
  border-radius: 8px;
}
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}