body, html {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    font-family: Arial, sans-serif;
  }
  
  #navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #f2f2f2;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    z-index: 1;
    display: flex;
    justify-content: space-around;
  }
  
  .nav-item {
  
    padding: 10px 20px;
    cursor: pointer;
    background-color: #f2f2f2;
    text-align: center;
    transition: all 0.3s ease;
    transform-origin: top;
    transform: scaleY(0);
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
  }
  
  .nav-item.show {
    transform: scaleY(1);
    max-height: 50px;
    visibility: visible;
  }
  
  
  .nav-item:last-child {
    border-right: none;
  }
  
  .nav-item:hover {
    background-color: #ddd;
  }
  
  .section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: background-color 0.3s ease;
  }
  
  .section h1 {
    font-size: 4rem;
    margin-bottom: 20px;
  }
  
  .section p {
    font-size: 1.2rem;
    max-width: 600px;
    text-align: center;
  }