@media (max-width: 600px) {
  body,
  html {
    overflow-x: hidden;
  }

  /* Page 1 */

  nav {
    height: 18vh;
    justify-content: space-evenly;
  }

  nav a {
    display: none;
  }

  .left {
    gap: 5vw;
  }

  .ri-menu-2-line {
    display: block;
    font-size: 8vw;
  }

  .left img {
    top: -1.5vw;
    width: 27vw;
  }

  .right {
    gap: 5vw;
  }

  .search {
    background-color: transparent;
    border: none;
  }

  .search i {
    font-size: 7vw;
    color: black;
  }
  .search input {
    display: none;
  }

  .right button {
    padding: 3vw 5vw;
    font-size: 4vw;
    border-radius: 7vw;
  }

  /* center */
  .center {
    padding: 4vw 10vw 0 10vw;
    position: relative;
  }

  .center h4:nth-child(1) {
    width: 80vw;
    display: inline-block;
    padding: 2.5vw 3.2vw;
    border-radius: 10vw;
    line-height: 1.2;
    margin-top: 8vh;
    margin-bottom: 4vh;
    font-size: 4.5vw;
    text-align: center;
  }

  .center h3 {
    font-size: 5.5vw;
  }

  @keyframes color-anime {
    0% {
      background-color: #f5cb71;
    }
    50% {
      background-color: #e486d9;
    }
    100% {
      background-color: #f5cb71;
    }
  }

  .center h1 {
    font-size: 13vw;
    text-align: center;
    font-weight: 500;
    line-height: 1.2;
  }

  .center-bottom {
    text-align: center;
    margin: 3.5vh 0;
    font-weight: 500;
  }

  .center button {
    position: relative;
    left: 50%;
    transform: translate(-50%);
    padding: 4vw 7vw;
    color: white;
    background-color: #0d0d23;
    border-radius: 8vw;
    border: none;
    font-size: 5vw;
  }

  /* infinite-scroll */

  .infinite-scroll {
    height: 45vh;
  }

  .infinite-scroll .elem {
    width: 62vw;
  }

  .elem .content {
    bottom: 4vw;
    left: 3vw;
  }

  .elem .content h4 {
    font-size: 4vw;
  }

  .elem .content button {
    padding: 1vw 1.5vw;
    border-radius: 3vw;
    font-size: 3vw;
  }

  /* page-3 */

  .page-3 h1 {
    font-size: 9.5vw;
  }

  .page-3 .content {
    grid-template-columns: 85vw;
    grid-template-rows: 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh 34vh;
    gap: 4vw;
  }

  .page-3 .elem {
    border-radius: 3vw;
  }

  .effect h4 {
    position: relative;
    top: -1.3vw;
    font-size: 6vw;
  }

  .effect i {
    height: 10vw;
    width: 10vw;
    font-size: 6vw;
    margin-right: 2vw;
  }

  .page-3-bottom {
    margin-top: 4vh;
    padding: 4vw 6.5vw;
    border-radius: 8vw;
    font-size: 5vw;
  }

  /* page-4 */
  .page-4 {
    margin-top: 8vh;
    gap: 7vw;
  }

  .page-4 h1 {
    font-size: 14vw;
    font-weight: 500;
  }
  .page-4 h5 {
    font-size: 6vw;
  }

  .page-4 .btn-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5vw;
  }

  .page-4 button:nth-child(1) {
    border-radius: 9vw;
    padding: 4.2vw 5.7vw;
    font-weight: 500;
    font-size: 6vw;
  }
  .page-4 button:nth-child(2) {
    border-radius: 9vw;
    padding: 4.2vw 5.7vw;
    font-size: 6vw;
    font-weight: 500;
  }

  .page-4 h5 span {
    display: block;
  }

  /* infinite-scroll */
  .bottom-scroller {
    padding: 8vw 0;
  }

  .bottom-infinite-scroll {
    height: 43vw;
  }
  .bottom-infinite-scroll .elem {
    width: 54vw;
    border-radius: 2.5vw;
  }

  /* footer */
  footer {
    height: 70vw;
    padding: 2vw 5vw 4vw 5vw;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  footer .top {
    flex-direction: column;
    gap: 3vw;
  }

  footer .top img {
    width: 25vw;
  }

  footer a {
    font-size: 3.1vw;
  }

  footer .top .services {
    flex-wrap: wrap;
    justify-content: center;
    gap: 3.5vw;
    line-height: 0.8;
  }
  footer .top .social {
    gap: 2vw;
    font-size: 4.7vw;
  }

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

  .bottom-left {
    gap: 3vw;
  }
  .bottom-right {
    gap: 3vw;
  }
  .bottom a {
    font-size: 3.1vw;
  }
}