body { 
  font-family: Arial, sans-serif; 
  background: #f0f8ff; 
  display: flex; 
  flex-direction: column; 
  min-height: 100vh; 
}

main { 
  flex: 1; 
}

  /* Header */
  header { 
    background: #17a2b8; 
    color: #fff; 
    text-align: center; 
    padding: 20px 20px; 
  }
  
  header h2 
  { 
    font-weight: 700; 
    margin-bottom: 10px; 
  }

  header p 
  { 
    font-size: 1.2rem; 
  }

  header input 
  { 
    max-width: 400px; 
    margin-top: 20px; 
    border-radius: 25px; 
    padding: 10px 15px; 
    border: none; 
  }

  /* Course cards */
  .course-card-wrapper { 
    opacity: 0; 
    transform: translateY(50px); 
    transition: all 0.8s ease-out; 
  }

  .course-card-wrapper.visible { 
    opacity: 1; 
    transform: translateY(0); 
  }

  .course-card { 
    background: #fff; 
    border-radius: 15px; 
    padding: 20px; 
    box-shadow: 0 6px 15px rgba(0,0,0,0.1); 
    transition: 
    transform 0.3s, box-shadow 0.3s; 
  }

  .course-card:hover 
  { 
    transform: translateY(-10px); 
    box-shadow: 0 12px 25px rgba(0,0,0,0.2); 
  }

  .course-card h5 a 
  { 
    text-decoration: none; 
    color: #007BFF; 
    font-weight: 600; 
  }

  .course-card h5 a:hover 
  { 
    color: #0056b3; 
  }

  /* Button pulse */
  @keyframes pulse {
    0% { 
      transform: scale(1); 
      box-shadow: 0 0 0 rgba(0,123,255,0.4); 
    }

    50% { 
      transform: scale(1.05); 
      box-shadow: 0 0 15px rgba(0,123,255,0.6);
     }

    100% { 
      transform: scale(1); 
      box-shadow: 0 0 0 rgba(0,123,255,0.4); 
    }
  }

  .btn-enroll 
  { 
    background: #007BFF; 
    color: #fff; 
    border-radius: 50px; 
    font-weight: 600; 
    animation: pulse 2s infinite; 
  }

  /* Footer */
  .footer-bottom { 
    background: #1abc9c; 
    color: white; 
    padding: 10px 0; 
    font-size: 18px; 
    text-align: center; 
    transform: translateY(50px); 
    opacity: 0; 
    transition: all 1s ease-out; 
  }

  .footer.visible { 
    transform: translateY(0); 
    opacity: 1; 
  }

  .footer-bottom.visible { 
    transform: translateY(0); 
    opacity: 1; 
  }

  /* Animated Icons */
  #animatedIcons .icon {
    opacity: 0;
    transform: translateY(50px) rotate(0deg);
    transition: all 0.8s ease-out;
    margin: 15px;
  }

  #animatedIcons .icon.visible {
    opacity: 1;
    transform: translateY(0) rotate(360deg);
  }

  #animatedIcons .icon:hover {
    transform: scale(1.2) rotate(360deg);
    color: #17a2b8;
  }

  @media(min-width: 992px){
    .navbar .dropdown:hover .dropdown-menu{
        display: block;
        margin-top: 0;
    }
}

    .navbar-nav .nav-link:hover{
    background: lightgreen;
    border-radius: 20px;
}

/* ✅ Center toggler menu on mobile */
    @media (max-width: 991px) {
      .navbar-collapse {
        text-align: center;
      }
      .navbar-nav {
        display: flex;
        flex-direction: column;
        gap: 10px;
      }
    }