body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #111;
  color: #eee;
}
header {
  text-align: center;
  padding: 40px 20px;
  background: #000;
}
.logo {
  max-height: 80px;
}
main {
  padding: 30px 20px;
}
.portfolio ul {
  list-style: none;
  padding: 0;
}
.portfolio li {
  margin-bottom: 8px;
}
a {
  color: #FFD700;
  text-decoration: none;
}
.form-section {
  margin-top: 40px;
}
form input, form textarea {
  display: block;
  width: 100%;
  margin-bottom: 10px;
  padding: 10px;
  border: none;
  border-radius: 4px;
}
form button {
  background: #FFD700;
  color: #000;
  border: none;
  padding: 12px;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
}
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  padding: 12px 18px;
  border-radius: 30px;
  font-weight: bold;
  text-decoration: none;
}
footer {
  text-align: center;
  padding: 20px;
  background: #000;
  color: #888;
  font-size: 14px;
}