body {
    max-width: 960px;
    margin: 2rem auto;
    padding: 0 1rem;
    color: #111;
    background: #fff;
    line-height: 1.5;
}

.site-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #aaa;
}

.site-header h1 {
    margin: 0;
    font-size: 1.3rem;
    white-space: nowrap;
}

.site-header h1 a {
    color: inherit;
    text-decoration: none;
}

.site-header nav {
    margin-left: auto;
    font-size: 0.95rem;
}

.site-header ul {
    display: flex;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
    white-space: nowrap;
}

main {
    margin: 1.5rem 0;
}

.home img {
    display: block;
    width: 100%;
    height: auto;
}

.portrait {
    display: block;
    width: 100%;
    max-width: 18rem;
    height: auto;
    margin-bottom: 1rem;
}

main h2 {
    margin-top: 0;
}

footer {
    padding-top: 0.75rem;
    border-top: 1px solid #aaa;
}

@media (max-width: 420px) {
    body {
        margin-top: 1rem;
        padding: 0 0.75rem;
    }

    .site-header {
        gap: 0.5rem;
    }

    .site-header h1 {
        font-size: 1.1rem;
    }

    .site-header nav {
        font-size: 0.85rem;
    }

    .site-header ul {
        gap: 0.5rem;
    }
}