.hero {
  background: linear-gradient(135deg, #0d6efd, #3a86ff);
  color: white;
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.1);
  top: -50px;
  right: -50px;
  border-radius: 50%;
}