*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
  
  body {
    background-color:white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* overflow: hidden; */
    color: #333;
  }
  
 

  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    border-bottom: 3px solid green;
    /* text-align: center; */
  }
  header h1{
    font-size: 40px;
  }
  header p{
    opacity: 0.5;
  }
  header div{
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 5px;

  }
 nav{
  display: flex;
 }
  .container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 3rem 6rem; 
    place-items: center; 
  }
  
 
  div[class$="Mode"] {
    width: 450px;
    height: 400px;
    background: #fff;
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  div[class$="Mode"]:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
  }

  .logo{
    height: 100px;
    width: 100px;
    cursor: pointer;
  }

  img {
    width: 50%;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
  }
  

  #btn {
    background-color: royalblue;
    color: white;
    width: 90px;
    padding: 0.5rem;
    font-weight: bold;
    font-size: 1.5em;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: transform 0.4s ease;
  }
  
  #btn:hover {
    transform: scale(1.1);
  }

  footer{
    display: flex;
    justify-content: center;
    padding: 10px;
    border-top: 2px solid green;
  }

   .signupBtn{
    height: 50px;
    width: 140px;
    padding: 0.3rem;
    background-color: orange;
    color: white;
    font-weight: bold;
    font-size: 1.5em;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    margin-right: 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
  }

  .signupBtn:hover{
    color: orange;
    background-color: white;
    border: 1px solid orange;
  }

.userIcon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: green;
  color: white;
  font-weight: bold;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
}