/* Hide the body initially to prevent FOUC */
    body {
        visibility: hidden;
        transition: background 0.3s, color 0.3s;        
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 100vh;
        font-family: 'PT Sans', sans-serif;
    }

    /* Body styles */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body.loaded {
        visibility: visible;
    }

    /* Theme styles using [data-theme] attribute */
    [data-theme="dark"] {
        background-color: #0b0b0b   ;
        color: white;
    }

    [data-theme="light"] {
        background-color: white;
        color: black;
    }

    .container {
        text-align: center;
        max-width: 90%;
    }

    .toggle-theme {
        position: absolute;
        top: 20px;
        right: 20px;
        font-size: 1.5em;
        cursor: pointer;
    }

    .svg-container {
        width: 100%;
        max-width: 700px;
        margin: 20px auto;
    }

    .menu {
        display: flex;
        justify-content: space-around;
        margin-top: 20px;
        flex-wrap: wrap;
        align-items: center;
    }

    .menu a {
        color: #008dbe;
        text-decoration: none;
        font-size: 1.5em;
        cursor: pointer;
        border-bottom: 1px solid transparent;
    }

    .menu a:hover, .menu a:active {
        border-bottom: 1px solid #008dbe;
    }

    .menu a.active {
        color: #A00;
        border-bottom: 1px solid transparent;
    }

    .social-icons {
        padding-top: 3em;
        display: flex;
        justify-content: center;
        gap: 10px;
        flex-wrap: wrap;
    }

    .social-icons a {
        text-decoration: none;
        color: #888888;
        opacity: 0.5;
    }

    .social-icons a:hover {
        opacity: 1;
    }

    .social-icons a svg {
        width: 3em;
        height: 1.5em;
    }

    .content {
        text-align: start;
        margin-bottom: 5em;
        max-width: 740px;
        line-height: 1.7em;
        font-size: 14pt;
    }

    footer {
        padding:1em 0;
        font-size: 10pt;
        color: #aaaaaa;
    }

    h3 {
        padding-top: 1em;        
    }
    
    h3::after {
        display: block;
        content: ' ';
        border-top: 1px solid;
        opacity: 0.2;   
        padding-bottom: 1em;
    }

    h4 {
        padding-top: 1em;
        padding-bottom: 0.5em;
    }

    ul {
        list-style-type: square;
        margin-left: 1em;
        font-size: 12pt;
    }

    
    ul li {
        margin-top:0.5em;
    }

    ul li a {
        text-decoration: none;
        color: #008dbeff;
    }

    p {
        margin-top: 1em;
        margin-bottom:1em;
    }

    /* Responsive styles */
    @media (max-width: 768px) {
        .menu a {
            font-size: 1em;
        }
        
        .toggle-theme {
            font-size: 1em;
            top: 15px;
            right: 15px;
        }

        .social-icons a svg {
            width: 2.5em;
            height: 1.5em;
        }

    }

    @media (max-width: 480px) {
        .container {
            padding: 10px;
        }

        .menu {
            gap: 8px;
        }

        .menu a {
            font-size: 0.8em;
        }

        .svg-container {
            max-width: 100%;
        }

        .social-icons {
            padding-top: 2em;
            gap: 8px;
        }

        .social-icons a svg {
            width: 2em;
            height: 1em;
        }
    }