.hamburger-menu {
    width: 30px;
    height: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: transform 0.3s ease;
  }
  
  .line {
    width: 100%;
    height: 2px;
    margin:2px;
    background-color: #000;
    transition: transform 0.3s ease;
  }
  
  .open .line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }
  
  .open .line:nth-child(2) {
    opacity: 0;
  }
  
  .open .line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -4px);
  }