.course-section {
      background: #fff;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      margin-bottom: 2rem;
      padding: 1rem;
      transition: transform 0.3s ease;
    }
    .course-section:hover {
      transform: translateY(-5px);
    }
    .course-img {
      max-width: 100%;
      border-radius: 6px;
    }
    .course-icon {
      font-size: 2rem;
      color: #0d6efd;
      margin-bottom: 0.5rem;
    }
    .course-btn {
      background: #000;
      color: #fff;
      border: none;
      padding: 0.75rem 1.8rem;
      border-radius: 50px;
      font-weight: 500;
      letter-spacing: 0.5px;
      transition: all 0.35s ease;
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }
    .course-btn:hover {
      background: linear-gradient(135deg, #000, #333);
      transform: translateY(-3px) scale(1.07);
      box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    }
    .modal-content {
      border-radius: 10px;
      box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    }
    .contact-btn {
      background: #373737;
      color: #fff;
      border: none;
      padding: 0.6rem 1.4rem;
      border-radius: 30px;
      transition: all 0.3s ease;
    }
    .contact-btn:hover {
      background: #3f3f3f;
      transform: scale(1.05);
    }

    .banner {
  background: url('img/bannerall.jpeg') center/cover no-repeat;
  height: 30vh;               
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.banner::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5); 
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 20px;
}

.banner h1 {
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 20px;
  
 
}