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

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

header {
    background-color: #fff;
    padding: 40px 0;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.profile-photo {
    width: 250px;
    height: 250px;
    border-radius: 70%;
    object-fit: cover;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.2em;
    margin-bottom: 10px;
    color: #444;
}

.description {
    font-size: 1.2em;
    margin-bottom: 20px;
}

ul {
    list-style: none;
    margin: 20px 0;
}

ul li {
    font-size: 1.1em;
    margin: 10px 0;
}

.language-switch {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1em;
}

.language-switch a {
    text-decoration: none;
    color: #007bff;
}

.language-switch a:hover {
    text-decoration: underline;
}

.hidden {
    display: none;
}

footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9em;
    color: #888;
}

@media (max-width: 768px) {
    .profile-photo {
        width: 100px;
        height: 100px;
    }

    h1 {
        font-size: 1.8em;
    }

    .description {
        font-size: 1em;
    }
}