@media screen and (max-width: 780px) {
  header {
    padding: 0 10px;
  }

  .head-left img {
    width: 40px;
    height: 40px;
  }
  .head-left h1 {
    display: none;
  }
  .head-right a {
    margin-left: 10px;
    font-size: 10px;
    padding: 0 5px;
  }
}

@media screen and (max-width: 650px) {
  .main-info {
    left: 5%;
  }
  .main-info h1 {
    font-size: 60px;
  }
  .main-info p {
    font-size: 20px;
    font-weight: normal;
    max-width: 300px;
  }
  .purpose-text {
    text-align: center;
    font-size: 40px;
    bottom: 10%;
  }
  .dropdown-menu {
    left: 25%;
    top: 50px;
  }

  .specialisation-section h1 {
    font-size: 30px;
    margin: 10px;
    padding: 5px;
    margin-bottom: 0;
  }
  .info-cards {
    width: auto;
  }

  .card {
    width: 100%;
    height: auto;
    margin-bottom: 20px;
  }

  .card h2 {
    font-size: 18px;
    text-align: center;
    margin: 10px;
  }
  .card p {
    height: auto;
    padding: 10px;
    margin-right: 10px;
    font-size: 14px;
    text-align: left;
  }
  .faq-section {
    width: 75%;
  }
  .column-list {
    flex-wrap: wrap;
    justify-content: start;
    align-items: center;
  }

  .bottom-footer {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .bottom-footer p {
    font-size: 14px;
  }
  .column {
    font-size: 14px;
  }
  #column3 {
    display: none;
  }
  .column-list li {
    margin-bottom: 10px;
  }

  .icon-list {
    padding: 0;
  }
}

@media screen and (max-width: 950px) {
  .purpose-text {
    text-align: center;
  }
  .about-section {
    margin-top: 50px;
  }
  .head-about p {
    margin-top: 10px;
    font-size: 14px;
    margin-bottom: 10px;
  }
  .head-about h1 {
    font-size: 40px;
    margin-bottom: 20px;
  }
  .detail {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .detail img {
    width: 100%;
    max-width: 300px;
  }
  .about-info {
    width: 90%;
    padding: 10px;
  }

  .about-info p {
    font-size: 14px;
  }
}