@media(max-width:992px){

  .hero-section{
    flex-direction:column;
    padding:50px 30px;
  }

  .course-grid{
    grid-template-columns:1fr;
  }

}

@media(max-width:768px){

  .navbar{
    padding:20px;
    flex-direction:column;
    height:auto;
    gap:20px;
  }

  .hero-left h1{
    font-size:42px;
  }

  .featured-section{
    padding:50px 20px;
  }

}