/* responsiveness for mobile width @360px */
@media (min-width: 320px) and (max-width: 767px) {

  body {
    overflow-x: hidden;
  }

  .logo {
    font-size: 2em;
  }


  .menu-button-container {
    display: flex;
    padding-right: 2em;
  }

  .menu {
    margin-top: -15px;
    flex-direction: column;
    width: 100%;
    justify-content: center;
    align-items: center;

  }

  #menu-toggle~.menu li {
    height: 0;
    margin: 0;
    padding: 0;
    border: 0;
    transition: height 400ms cubic-bezier(0.23, 1, 0.32, 1);
  }

  #menu-toggle:checked~.menu li {
    border: 1px solid #333;
    height: 2.5em;
    padding: 0.5em;
    transition: height 400ms cubic-bezier(0.23, 1, 0.32, 1);
  }

  .menu>li {
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0.5em 0;
    width: 100%;
    color: white;
    background-color: #f4f7fc;
  }

  .menu>li:not(:last-child) {
    border-bottom: 1px solid #444;
  }


  .hero {
    height: 100vh;
    overflow: hidden;
  }

  #video-background {
    object-fit: cover;

  }

  .herotext {
    font-size: 40px;
    width: 100%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .arrow {
    top: 85%;
    /* Reposition the arrow */
  }

  .timeline2 {
    flex-direction: column;
  }


  .tl-item {
    font-family: Future;
    font-size: 50px;
    -webkit-transform: translateY(0);
    transform: translateY(0);
    position: relative;
    width: 100%;
    height: 50vh;
    min-height: 400px;
    overflow: hidden;


    &:hover {
        width: 100% !important;
    }

    &.tl-item.in-view {
      width: 100%;

      &:after {
        opacity: 0;
      }

      &:before {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
        -webkit-transition: opacity 1s ease, transform 1s ease 0.25s;
        transition: opacity 1s ease, transform 1s ease 0.25s;
      }

      .tl-content {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
        -webkit-transition: all 0.75s ease 0.5s;
        transition: all 0.75s ease 0.5s;
      }

      .tl-bg {
        filter: grayscale(0);
      }

      .tl-year {
        opacity: 0;
      }
    }
  }

  .tl-content {
    -webkit-transform: translateY(25px);
    transform: translateY(25px);
    position: relative;
    z-index: 1;
    text-align: center;
    opacity: 0;
    color: white;
    font-size: 24px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;

    h1 {
      font-family: f;
      text-transform: uppercase;
      color: #1779cf;
      font-size: 1.44rem;
      font-weight: normal;
    }
  }

  .tl-year {
    opacity: 1;
    -webkit-transition: opacity 0.5s ease;
    transition: opacity 0.5s ease;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
    z-index: 1;
    border-top: 4px solid #000000;
    border-bottom: 4px solid #000000;

    p {
      font-family: 'Pathway Gothic One', Helvetica Neue, Helvetica, Arial, sans-serif;
      font-size: 1.728rem;
      line-height: 0;
    }
  }



  #three-container {
    height: 100%;
    padding-top: 2em;
    padding-bottom: 2em;
    background-color: #eaedf2;
  }

  .model-title {
    font-size: 1.5em;
    margin-top: -0.5em;
    height: 0.8em;
  }

  .model-description {
    left: 10%;
    bottom: 1.5em;
    width: 70vw;
    height: 8em;
    background-size: 40px 40px;
    margin-top: 20em;

  }

  .slide {
    height: 100%;
    animation: slideAnimation 15s infinite;
    display: none;
    align-items: center;
    justify-content: left;
    text-align: center;
    font-size: 9px;
  }


  .model-description2 {
    display: none;
  }

  .model-tooltip {
    height: 1.5em;
    width: auto;
    bottom: 20em;
    left: 50%;
    font-size: 12px;
    font-weight: bold;
  }

  .tooltip-text {
    color: black;
    text-transform: uppercase;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 12px;
    text-align: center;
  }



  .about-desc {
    font-size: 18px;
    width: auto;
    margin-left: 10px;
    margin-right: 10px;
    padding: 0.5em;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .about-title {
    font-size: 36px;
    margin-bottom: 0.5em;
  }

  .team-title {
    font-size: 36px;
  }

  .team-row1,
  .team-row2,
  .cardContainer {
    display: flex;
    flex-direction: column;

    align-items: center;

  }

  .cardContainer .card {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .cardContainer .card .content .contentBox h3 {
    font-size: 16px;
    margin: 10px 0 5px;
  }

  .cardContainer .card .content .contentBox h3 span {
    font-size: 12px;
  }

  .cardContainer .sci li a {
    font-size: 20px;
  }
}