.navbar {
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #E3E2DF;
    color: #5D001E;
    padding: 0.9375rem; 
    transition: background 0.2s linear;
    position: fixed;
    width: 100%;
    border-bottom: 0.0625rem solid #9A1750; 
    z-index: 20;
}

.toggle-mode, .language-button {
    cursor: pointer;
    font-size: 0.625rem; 
}

.nav-elements {
    display: flex;
}

.nav-elements a {
    font-family: 'Poppins', sans-serif;
    color: #5D001E;
    text-decoration: none;
    padding: 0.625rem; 
    margin: 0 0.625rem; 
    font-size: 1.3rem; 
    position: relative;
}
  
.nav-elements a:after {
    content: '';
    display: block;
    height: 0.125rem; 
    width: 0;
    background-color: #5D001E;
    position: absolute;
    bottom: 0;
    left: 50%;
    transition: width 0.3s ease, left 0.3s ease;
}
  
.nav-elements a:hover:after {
    width: 100%;
    left: 0;
}