body {
            font-family: 'Inter', sans-serif;
            background-color: #f0f2f5;
            color: #1c1e21;
        }
        .main-container {
            max-width: 760px;
            margin: 2rem auto;
        }
        .section-toggle {
            background-color: #ffffff;
            border: 1px solid #dddfe2;
            border-radius: 12px;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            transition: all 0.2s ease-in-out;
            margin-bottom: 1rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            text-decoration: none;
            color: inherit;
        }
        .section-toggle:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
        }
        .section-toggle .icon {
            font-size: 1.5rem;
            color: #0d6efd;
            margin-right: 1rem;
        }
        .section-toggle .title {
            font-size: 1.1rem;
            font-weight: 500;
        }
        .section-toggle .subtitle {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .section-toggle .arrow {
            font-size: 1.5rem;
            color: #6c757d;
            transition: transform 0.3s ease;
        }
        .section-toggle[aria-expanded="true"] .arrow {
            transform: rotate(90deg);
        }
        .form-section {
            border: 1px solid #dddfe2;
            border-top: none;
            border-radius: 0 0 12px 12px;
            margin-top: -1rem;
            margin-bottom: 1rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        .form-section .card-body {
            padding: 2rem;
        }
        h2.form-title {
            font-weight: 600;
            color: #0d6efd;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 1rem;
        }
        .upload-area {
            text-align: center;
            padding: 1rem;
            background-color: #f7f8fa;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .upload-area .upload-label {
            font-weight: 500;
            display: block;
            margin-bottom: 0.75rem;
        }
        .btn-upload {
            font-weight: 500;
        }
        .file-preview {
            margin-top: 1rem;
            text-align: center;
        }
        .file-preview img {
            max-width: 200px;
            max-height: 120px;
            border-radius: 8px;
            border: 2px solid #ddd;
            padding: 3px;
        }
        .file-preview .file-name {
            font-style: italic;
            color: #6c757d;
            display: block;
            margin-top: 0.5rem;
        }
        .hidden-input {
            display: none;
        }
        .section-actions {
            text-align: right;
            margin-top: 1.5rem;
            border-top: 1px solid #eee;
            padding-top: 1.5rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        .form-group .help-block {
            font-size: 0.75rem;
            color: #6c757d;
            margin-top: 0.25rem;
        }
        /* Bootstrap form-control already handles width, padding, border, etc. */
        .form-control:focus {
            border-color: #80bdff;
            outline: 0;
            box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
        }
        /* Bootstrap btn classes handle display, alignment, padding, font-size, font-weight, border-radius, cursor, transition */
        .btn-primary {
            background-color: #0d6efd;
            color: #fff;
            border: 1px solid #0d6efd;
        }
        .btn-primary:hover {
            background-color: #0b5ed7;
            border-color: #0a58ca;
        }
        .btn-success {
            background-color: #198754;
            color: #fff;
            border: 1px solid #198754;
        }
        .btn-success:hover {
            background-color: #157347;
            border-color: #146c43;
        }
        .required::after {
            content: ' *';
            color: #dc3545;
        }
        .accordion-button:not(.collapsed) {
            background-color: #e7f1ff; /* Light blue for active section */
            color: #0d6efd;
        }
        .accordion-button:not(.collapsed) .icon {
            color: #0d6efd;
        }
        .accordion-button:not(.collapsed) .arrow {
            transform: rotate(90deg);
        }
        .card {
            border-radius: 12px;
        }
        .card-body {
            padding: 2rem;
        }
@media (max-width:991px){
        .form-group .help-block {
            font-size: 0.70rem;
        }
.form-group label {
  display: block;
  margin-bottom: 0.3rem;
  font-weight: 500;
  font-size: 1.10rem;
}
.form-section .card-body {
  padding: 1rem;
}
}		

 /* Backdrop Blur */
    .modal-backdrop {
	  position: fixed;
	  inset: 0;
	  background: rgba(0, 0, 0, 0.3);
	  backdrop-filter: blur(12px);
	  -webkit-backdrop-filter: blur(12px);
	  display: flex;
	  justify-content: center;
	  align-items: center;
	  z-index: 9999;
	  min-height: 100dvh;
	  display:none;
    }
    .modal-backdrop2 {
	  position: fixed;
	  inset: 0;
	  background: rgba(0, 0, 0, 0.3);
	  backdrop-filter: blur(12px);
	  -webkit-backdrop-filter: blur(12px);
	  display: flex;
	  justify-content: center;
	  align-items: center;
	  z-index: 9999;
	  min-height: 100dvh;
	  display:none;
    }
	
    .modal-backdrop2.active,
    .modal-backdrop.active {
      display: flex;
    }

    /* Modal */
    .payment-modal {
      background: rgba(255, 255, 255, 0.06);
      border-radius: 20px;
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 8px 32px rgba(0,0,0,0.3);
      padding: 2rem;
      width: 90%;
      max-width: 400px;
      color: white;
      text-align: center;
      position: relative;
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: scale(0.95); }
      to { opacity: 1; transform: scale(1); }
    }

    .payment-modal h2 {
      margin-bottom: 1rem;
    }

    .close-btn {
      position: absolute;
      top: 10px;
      right: 15px;
      font-size: 1.2rem;
      color: #fff;
      background: transparent;
      border: none;
      cursor: pointer;
    }

    .payment-buttons {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .pay-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 0.9rem;
      font-size: 1rem;
      font-weight: 600;
      border: none;
      border-radius: 12px;
      color: white;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 0 10px rgba(255,255,255,0.15);
    }