@media (max-width: 767px) {
      .row {
        padding-top: 25px;
      }
    }

    /* Eye catchy accordion arrow */
    .accordion-button::after {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
      background-color: #0a165e; /* Solid Navy Blue */
      border-radius: 50%;
      background-position: center;
      background-size: 1rem;
      width: 1.8rem;
      height: 1.8rem;
      box-shadow: 0 2px 5px rgba(0,0,0,0.15);
      transition: all 0.3s ease;
    }
    .accordion-button:not(.collapsed)::after {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
      background-color: #2563eb; /* Vibrant Royal Blue when active */
      box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    }

    /* Reduce accordion body font sizes */
    .accordion-body h3 {
      font-size: 17px !important;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .accordion-body h4 {
      font-size: 15px !important;
      font-weight: 600;
      margin-bottom: 10px;
    }
    .accordion-body p {
      font-size: 14px !important;
      line-height: 1.6;
      color: #4a5568;
    }
    .accordion-body .optech-icon-list ul li {
      font-size: 14px !important;
      margin-bottom: 6px;
    }
    .accordion-body .optech-icon-list ul li i {
      font-size: 15px !important;
    }
    /* Vertical Tabs Custom CSS */
    .custom-v-tabs {
        position: sticky;
        top: 160px;
        z-index: 10;
    }
    .custom-v-tabs .nav-link {
        color: #4a5568;
        background: #f8f9fa;
        border-radius: 8px;
        padding: 8px 20px;
        margin-bottom: 6px;
        transition: all 0.3s ease;
        border: 1px solid transparent;
        display: flex;
        align-items: center;
        text-align: left;
    }
    .custom-v-tabs .nav-link:hover {
        background: #eef2f6;
        color: #0a165e;
    }
    .custom-v-tabs .nav-link.active {
        background: #0a165e;
        color: #fff !important;
        box-shadow: 0 5px 15px rgba(10, 22, 94, 0.2);
    }
    .custom-v-tabs .nav-link.active img {
        filter: brightness(0) invert(1);
    }
    .custom-v-content .accordion-body {
        padding: 0 !important;
    }