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

/* General */

.header-content {
    display: flex;
    align-items: center;
}

.logo-link {
    margin-left: auto;
    margin-right: 1rem;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: #222;

    background-image: url("nolan.jpeg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

a {
    color: #005fa9;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* Header */

.site-header {
    background: #888;
    color: white;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 1rem;
}

.header-content h1 {
    font-size: 2rem;
    font-weight: normal;
}

.logo-link img {
    max-height: 80px;
}

/* Hamburger button */

.menu-toggle {
    display: none;

    background: none;
    border: none;

    color: white;
    font-size: 2rem;

    cursor: pointer;
}

/* Layout */

.page-layout {
    max-width: 1400px;
    margin: 0 auto;

    display: grid;
    grid-template-columns: 250px 1fr;

    background: white;
}

/* Sidebar */

.sidebar {
    background: #f3f3f3;
    padding: 1rem;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 0.5rem;
}

.sidebar a {
    display: block;
    padding: 0.75rem;
    border-radius: 4px;
}

.sidebar a:hover {
    background: white;
    text-decoration: none;
}

/* Main content */

.content {
    padding: 2rem;
}

.content h2 {
    color: #b00000;
    margin-bottom: 1rem;
}

/* Search box */

#pubSearch {
    width: 100%;
    padding: 12px;

    margin-bottom: 24px;

    font-size: 16px;

    border: 1px solid #ccc;
    border-radius: 4px;
}

/* Publications */

p.text {
    margin-bottom: 1rem;
}

/* Mobile */

@media (max-width: 768px) {

    body {
        background-image: none;
        background-color: #fafafa;
    }

    .header-content {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .menu-toggle {
        display: block;
    }
.menu-toggle {
    margin-left: auto;
}

    .page-layout {
        display: block;
    }

    .sidebar {
        display: none;
        width: 100%;
        padding: 1rem;
    }

    .sidebar.show {
        display: block;
    }

    .content {
        padding: 1rem;
    }

    .header-content h1 {
        font-size: 1.6rem;
    }
}