body {
    font-family: Georgia, 'Times New Roman', Times, serif;
    line-height: 1.5;
    margin: 0;
    padding: 0;
    background: #fff;
    color: #000;
    font-size: 1.1em;
}

.container {
    max-width: 800px;
    margin: 2em auto;
    padding: 0 2rem;
}

a {
    color: #0000ee;
}

a:visited {
    color: #551a8b;
}

header h1 {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 2em;
    margin-bottom: 0.5em;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.normal-weight {
    font-weight: normal;
}

header ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

header ul li {
    display: inline-block;
    margin-right: 20px;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

main {
    margin-top: 2em;
}

.main-layout {
    display: flex;
    gap: 2em;
}

.left-column {
    flex-basis: 250px;
    flex-shrink: 0;
}

.right-column {
    flex-grow: 1;
}

.profile-pic {
    width: 250px;
    max-width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
}

h2 {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 1.5em;
    margin-top: 2em;
    margin-bottom: 1em;
    font-weight: bold;
}

h3 {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1.2em;
    margin-top: 1.5em;
    margin-bottom: 0.8em;
    font-weight: bold;
}

section ul {
    padding-left: 20px;
}

#publications ul {
    list-style-type: none;
    padding-left: 0;
}

#publications ul li {
    margin-bottom: 1em;
}

@media (max-width: 600px) {
    .main-layout {
        flex-direction: column;
    }

    .left-column {
        flex-basis: auto;
        text-align: center;
    }
}