.gradient-bg {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}
.service-card:hover {
  transform: translateY(-10px);
  transition: all 0.3s ease;
}
.network-topology {
  position: relative;
  height: 300px;
}
.node {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #3b82f6;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.connection {
  position: absolute;
  height: 3px;
  background: rgba(59, 130, 246, 0.5);
  transform-origin: left center;
}