.nav-right-item .nav-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #25d366; /* WhatsApp green */
    color: #fff;
    font-size: 18px;      /* ikonu böyütmək üçün 18–20px seçin */
    margin-left: 14px;
    cursor: pointer;
    box-shadow: 0 6px 14px rgba(37, 211, 102, 0.25);
  }
  
  .nav-right-item .nav-whatsapp i {
    line-height: 1;
  }
  
  .nav-right-item .nav-whatsapp:hover {
    background: #1fb55a;
  }