body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #333;
}
header {
  background: #003366;
  color: #fff;
  padding: 2rem;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 2rem;
}
header p {
  font-size: 1.2rem;
}
.btn {
  display: inline-block;
  background: #ff9900;
  color: #fff;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 4px;
  margin-top: 1rem;
}
section {
  padding: 2rem;
  max-width: 1000px;
  margin: auto;
}
.services, .testimonials {
  background: #f4f4f4;
  padding: 2rem;
  border-radius: 8px;
}
.service-item, .testimonial {
  margin-bottom: 1.5rem;
}
footer {
  background: #003366;
  color: #fff;
  text-align: center;
  padding: 1rem;
}
input, textarea {
  width: 100%;
  padding: 10px;
  margin: 5px 0;
}
.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  padding: 12px 16px;
  border-radius: 50%;
  font-size: 20px;
  text-align: center;
  text-decoration: none;
}