html {
  scroll-behavior: smooth;
}



.course-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin: 30px 0;
}

.course-categories a {
  background: linear-gradient(135deg, #3b0086, #8000ff);
  color: #fff;
  padding: 10px 18px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.course-categories a:hover {
  background: linear-gradient(135deg, #5a00cc, #9b4dff);
  transform: scale(1.05);
}