body {
  font-family: Arial, sans-serif;
  background-color: #f5f5dc;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

#startScreen {
  text-align: center;

  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 2em;
}

#demo-columns{
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 1em;
}

.demo{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
  height: 70vh;
  width: 100%;
}

h2{
  font-size: 2em;
}
#startButton {
  background-color: #003465;
  color: white;
  border: none;
  border-radius: 1em;
  cursor: pointer;
  padding: 0.5em 3em;
  font-size: 2em;
  margin-top: 1em;
  width: 40vh;
  transition: background-color 0.3s ease-in-out;
}

#startButton:hover {
  background-color: #0056b3;
}

#imageContainer {
  display: flex;
  justify-content: center;
  gap: 1em;
  margin-top: 20px;
  max-width: 60vw;
}

#imageContainer img {
  width: 30%;
  object-fit: cover;
  border-radius: 5px;
  box-shadow: 0px 9px 21px -3px rgba(0, 0, 0, 0.1);
}

#imageContainer img:hover, #talpa img:hover{
  transform: scale(1.05);
  transition: transform 0.3s ease-in-out;
}

#talpa{
  max-width: 35%;
}

#talpa img{
  object-fit: cover;
  width: 100%;
  box-shadow: 0px 9px 21px -3px rgba(0, 0, 0, 0.1);
  border-radius: 5px;
}

#howToUseModal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
  text-align: center;
}
#howToUseModalContent {
  background-color: #fefefe;
  margin: 15% auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
}
#closeButton {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}
#closeButton:hover,
#closeButton:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}

#howToUseButton {
  background-color: #00346500;
  color: #003465;
  border: none;
  text-decoration: underline;
  border-radius: 1em;
  cursor: pointer;
  padding: 0.5em 3em;
  font-size: 1.5em;
  margin-top: 1em;
  width: 40%;
}

#logo {
  position: absolute;
  width: 5vw;
  top: 1.5vh;
  left: 2vw;
  display: flex;
}

#logo img {
  width: 100%;
  object-fit: contain;
}

@media (max-width: 1024px) {
  body{
    height: auto;
  }
  #startScreen {
    margin: 0 2em;
    margin-top: 4vh;
  }

  #demo-columns{
    flex-direction: column;
  }

  .demo{
    height: 100%;
  }
  #startButton {
    width: 60%;
  }
  #howToUseButton {
    width: 60%;
  }

  #imageContainer img {
    width: 40%;
  }
}

@media (max-width: 768px) {
  #startButton {
    width: 80%;
  }
  #howToUseButton {
    width: 80%;
  }

  #imageContainer img:nth-child(n + 2) {
    display: none;
  }

  #imageContainer img {
    width: 100%;
  }

  #logo {
    width: 10vw;
    top: 1vh;
    left: 2vw;
  }

  #talpa{
    max-width: 80%;
  }
}