.hero {
  background: url('https://source.unsplash.com/1600x600/?business,office') no-repeat center center/cover;
  position: relative;
  color: white;
  padding: 80px 0;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
}
.hero h1 {
  position: relative;
  z-index: 1;
  font-size: 48px;
  font-weight: bold;
}
.contact-card {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  transition: transform 0.3s;
}
.contact-card:hover {
  transform: translateY(-5px);
}
.contact-card input, 
.contact-card textarea {
  border-radius: 8px;
  border: 1px solid #ddd;
}
.contact-card button {
  background: linear-gradient(45deg, #007bff, #00c6ff);
  border: none;
  color: white;
  font-weight: bold;
  padding: 10px 20px;
  border-radius: 50px;
  transition: background 0.3s;
}
.contact-card button:hover {
  background: linear-gradient(45deg, #0056b3, #0084b4);
}
.contact-card {
  background: rgba(255,255,255,0.9);
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.contact-card h3, .contact-card h4 {
  font-weight: bold;
}
.input-group-text {
  background: #007bff;
  color: white;
  border: none;
}
.btn-primary {
  background: linear-gradient(45deg, #007bff, #00c6ff);
  border: none;
  font-weight: bold;
}
.btn-primary:hover {
  background: linear-gradient(45deg, #0056b3, #0084b4);
}