body, html {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    margin: 0px;
    background-image: url(/Arch_XR/Images/Architecture.jpg);
    overflow: hidden;
    margin: 0;
    font-family: "Nunito", "sans-serif";
    user-select: none;
    
  }
  
  .nunito {
    font-family: "Nunito", sans-serif;
    font-optical-sizing: auto;
   
    font-style: normal;
  }

  body {
    background-size: cover; /* Add this line */
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed; /* Optional, prevents scrolling */
  }
  

  
  
  
  .credits-datas a:visited {
    color: rgb(255, 255, 255); /* Color for visited links */
  }
  
  
  .credits-datas a {
    text-decoration: none;
    color: rgb(0, 38, 255)Normal state color ;
    font-family: "Nunito", "sans-serif"; /* Set Roboto as the desired font */
  }


  .fullscreen-button {
    z-index: 11;
    border: none;
      right: 0;
      top: 0;
      color: rgb(0, 0, 0);
      outline: none;
      text-transform: uppercase;
      letter-spacing: 0.2em;
      position: absolute;
      display: block;
      margin: 0px;
      font-family: "Nunito", "sans-serif";
      font-size: 2.5vmin;
      text-decoration: none;
      background-color:  rgba(0, 0, 255, 0.001); /* Specify the background color */
    padding: 10px; /* Add some padding for spacing */
    border-radius: 0px;     
}

.fullscreen-button:hover {
  background-color: rgb(50, 50, 255);
  color: rgb(255, 255, 255); /* Slightly lighter blue when hovered */
}

.fullscreen-button:focus {
  outline: none;
  
}
body {
  font-family: 'Nunito', sans-serif;
}

#visualisations-btn {
  position: fixed;
  top: 90%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 50px;
  cursor: pointer;
  z-index: 999999999;
  font-family: "Nunito", "sans-serif";
  background-color: #ffffff;
  color: #000;
  border: 2px solid #000;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

#visualisations-btn.visible {
  opacity: 1;
}

#visualisations-btn:hover {
  background-color: #ffffff00;
  color: #000;
}

.popup {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  
}

.popup-content {
  position: relative;
  margin: auto;
  padding: 40px;
  width: 80%;
  height: 50%;
  max-width: 1000px;

  background: #ffffff85;
  text-align: center;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 10px;
  backdrop-filter: blur(5px);

  display: flex;
  flex-direction: column;
}
.image-container {
  flex: 1;               /* takes available vertical space */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;      /* prevents overflow */
}
.image-container img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;   /* keep aspect ratio */
}


.title-container {
  text-align: left;
  margin-bottom: 5px;
}

.title-container h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
}

.close {
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 30px;
  font-weight: bold;
  cursor: pointer;
}



.navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

.navigation button {
  padding: 10px 20px;
  font-size: 22px;
  cursor: pointer;
  border-radius: 10px;
  border: none;
  margin: 0 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.navigation button:hover {
  background-color: #f0f0f0;
}

.instruction {
  position: fixed;
  bottom: 50%;
  left: 50%;
  transform: translateX(-50%);
  background-color: white;
  padding: 4px;
  border-radius: 10px;
  z-index: 1001;
  font-size: 2vmin;
  color: #000;
  text-align: center;
  animation: fadeInOut 1.5s infinite;
}

@keyframes fadeInOut {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

    
    .footer {
      z-index: 11;
   }
    
    .footer .gradient {
      z-index: 11;
      position: fixed;
      bottom: 0;
      pointer-events: none;
      background-image: url("../img/splash/gradient.png");
      background-size: contain;
      background-repeat: no-repeat;
      background-position: left bottom; }
    
    .footer .left {
      left: 0;
      width: 10vw;
      height: 20vh; }
    
    
    .footer .about-btn {
      z-index: 11;
      right: 0;
      top: 0;
      color: #000000;
      padding-bottom: 2px;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      position: absolute;
      display: block;
      margin: 0px;
      font-family: "Roboto";
      font-size: 1.5vmin;
      text-decoration: none;
      background-color:  rgba(17, 0, 255, 0.701); /* Specify the background color */
      padding: 10px; /* Add some padding for spacing */
      border-radius: 0px; /* Round the corners */ }
  
      @media screen and (max-width: 620px) {
        .footer .about-btn {
          font-size: 2vmin; } }
      @media screen and (max-height: 620px) {
        .footer .about-btn {
          font-size: 2vmin; } }
  
          .footer .about-btnn {
            z-index: 11;
            left: 0;
            top: 0;
            color: rgb(0, 0, 0);
           
            text-transform: uppercase;
            background-color: #FFF;
            letter-spacing: 0.2em;
            position: absolute;
            display: block;
            margin: 20px;
            font-family: "Nunito", "sans-serif";
            font-size: 3vmin;
            text-decoration: none;
          }
          
          @media screen and (max-width: 620px) {
            .footer .about-btn {
              margin: 5px;
              color: rgb(50, 50, 255);
              font-size: 3vmin;
              left: 0;
              top: 0;
              position: relative;
            }
            .footer .about-btnn {
              margin: 5px;
              color: rgb(50, 50, 255);
              font-size: 4vmin;
              left: 0;
              top: 0;
              position: relative;
            }
          }
          
          
            
          
          .footer .credits {
            z-index: 11;
            position: absolute;
            width: calc(40% - 40px);
            min-width: 1vmin;
            left: 0;
            bottom: 0;
            padding: 0;
            text-align: left;
            margin: 0 1vmin 0.8vmin 1vmin;
          }
          
          .footer .credits li {
            display: inline-block;
            margin: 0 0.5vmin 0 0.5vmin;
          }
          
          .footer .credits li:nth-of-type(1) img {
            width: 8.5vmin;
            height: 8.5vmin;
          }
          
          .footer .credits li:nth-of-type(2) img {
            width: 8.5vmin;
            height: 8.5vmin;
          }
          
          @media screen and (max-width: 460px) {
            .footer .credits li:nth-of-type(1) img {
              height: 15vmin;
              width: 15vmin;
              position: absolute;
              left: 0;
              bottom: 0;
            }
            .footer .credits li:nth-of-type(2) img {
              height: 15vmin;
              width: 15vmin;
              position: absolute;
              left: 15vmin; /* Adjusted this value */
              bottom: 0;
            }
          }
          
          
          .footer .credits li:nth-of-type(3) img {
            width: 8.5vmin;
            height: 8.5vmin;
          }
          
          @media screen and (max-width: 460px) {
            .footer .credits li:nth-of-type(3) img {
              width: 8.5vmin;
            }
          }
    
    .about {
      position: absolute;
      z-index: 20;
      width: 100vw;
      height: 100%;
      overflow-y: auto;
      overflow-x: hidden;
      margin: 0px;
      display: none;
      background-color: #e2ceb5; }
    
    .about article {
      padding: 0;
      font-family: "Roboto";
      background-color: #FFF; }
    
    .about article .close {
      position: fixed;
      top: 0;
      right: 0;
      width: 26px;
      height: 26px;
      padding: 0 0 0 0;
      margin: 30px 46px 0 0;
      background-image: url("../img/splash/about/close.png");
      background-size: cover;
      cursor: pointer; }
      @media screen and (max-width: 860px) {
        .about article .close {
          margin: 20px 26px 0 0; } }
    
    .about article .close:hover {
      filter: opacity(0.5); }
    
    .about article .squiggleTint {
      width: 31px;
      height: 7px;
      background-image: url("../img/splash/about/squiggleTint.png");
      background-size: cover; }
    
    .about article .squiggleGrey {
      width: 31px;
      height: 7px;
      background-image: url("../img/splash/about/squiggleGrey.png");
      background-size: cover; }
    
    .about article h2 {
      font-family: "NowAlt-Medium";
      color: #133754;
      text-transform: uppercase;
      font-size: 30px;
      letter-spacing: 0.2em;
      margin: 0 0 20px 0; }
    
    .about article .experimentHeader {
      padding: 80px 40px 100px 80px;
      background-color: #e2ceb5;
      background-image: url("../img/splash/about/landscape.jpg");
      background-size: contain;
      background-repeat: no-repeat;
      background-position: center bottom; }
    
    .about article p {
      line-height: 1.9;
      font-size: 13px;
      overflow: auto; }
    
    .about article .custom-text-width {
      width: 50vw;
      margin: 20px 0 30px 0; }
    
    .about article .custom-text-width-code {
      margin: 20px 0 0 0; }
    
    .about article .terrain {
      padding: 80px 45px 45px 80px;
      overflow: auto; }
    
    .about article .codeHeader {
      padding: 80px 40px 100px 80px;
      background-color: #FFF; }
    
    .about article .column {
      padding-right: 40px; }
    
    .about article .left {
      float: left; }
    
    .about article .right {
      float: right; }
    
    .about article .image {
      width: 72%; }
    
    .about article .content {
      width: 28%; }
    
    .about article .katie-image {
      width: 57%; }
    
    .about article .katie-content {
      width: 43%; }
    
    .about article .clearfix::after {
      content: "";
      clear: both;
      display: table;
      padding: 0 0 5vw 0; }
    
    .about article h4 {
      font-family: "NowAlt-Medium";
      text-transform: uppercase;
      font-size: 20px;
      letter-spacing: 0.2em;
      margin: 0 0 10px 0; }
    
    .about article .aboutKatieHeader {
      padding: 80px 45px 45px 80px;
      background-color: #e2ceb5; }
    
    /* ENTER VR BUTTON */
    
    #enter-vr-container {
      position: relative;
      display: block;
      margin-left: auto;
      margin-right: auto;
      margin-top: 15px;
      min-width: 170px;
      min-height: 46px;
      background: none;
      text-align: center;
    }
    
    #enter-vr-container button.webvr-ui-button {
      font-family: 'Karla', sans-serif;

      border-radius: 4px;
      box-sizing: border-box;
      background: none;
      height: 55px;
      min-width: 175.99999999999997px;
      display: inline-block;
      position: relative;
      cursor: pointer;
    }
    
    #enter-vr-container .webvr-ui-title {
      position: relative;
      top: 1.0px;
      margin: 0 0 0 0;
      letter-spacing: 0.2em;
      line-height: 15px;
      font-size: 15px;
      font-weight: 100;
      font-family: "Roboto";
      text-transform: uppercase;
    }
    
    #enter-vr-container .webvr-ui-title {
      color: #000000;
      position: relative;
      padding-left: 57.75px;
      padding-right: 18.333333333333332px;
    }
    
    #enter-vr-container .webvr-ui-logo {
      width: 55px;
      height: 55px;
      position: absolute;
      top: 0px;
      left: 0px;
      width: 51px;
      height: 51px;
    }
    
    #enter-vr-container .webvr-ui-svg {
      fill: #ffffff;
      margin-top: 18.166666666666668px;
      margin-left: 18.333333333333332px;
      display: none;
    }
    
    #enter-vr-container.mode-vr .webvr-ui-svg {
      display: inline;
    }
    
    #enter-vr-container .webvr-ui-svg-error {
      display: none;
    }
    
    #enter-vr-container.mode-vr-error .webvr-ui-svg-error {
      display: inline;
    }
    
    #enter-vr-container .webvr-ui-svg-360 {
      margin-top: 12.166666666666668px;
      margin-left: 18.333333333333332px;
      display: none;
    }
    
    #enter-vr-container.mode-360 .webvr-ui-svg-360 {
      display: inline;
    }
    
    #enter-vr-container.mode-vr .webvr-ui-svg-360 {
      display: none;
    }
    
    #enter-vr-container.mode-vr .webvr-ui-svg-360 {
      display: none;
    }