:root {
    --main-bg-color: #fefefe;
    --main-fg-color: #333;
    --softer-fg-color: #444;
}

@media (prefers-color-scheme: dark) {
    :root {
        --main-bg-color: #333;
        --main-fg-color: #fefefe;
        --softer-fg-color: #ddd;
    }
}

html {
    font-size: clamp(20px, 3.5vw, 24px);
}

body {
    margin-top: clamp(40px, 5vw, 60px);
    margin-bottom: 40px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
    max-width: 650px;
    line-height: 1.5;
    
    color:var(--main-fg-color);
    background:var(--main-bg-color);
    
    font-family: Neuton, 'Noto Serif', Charter, 'Bitstream Charter', 'Sitka Text', Cambria, serif;
}

a {
    color: var(--softer-fg-color);
    text-decoration: underline;
    text-decoration-style: solid;
    text-decoration-thickness: 0.02rem;
    text-decoration-color: var(--softer-fg-color);
}

h1, h2, h3 {
    line-height: 1.2;
    font-family: "Rethink Sans", Avenir, Montserrat, Corbel, 'URW Gothic', source-sans-pro, sans-serif;
    font-weight: 600;
}

h1 {
    font-size: 1.4rem;
    margin-bottom: 1.1rem;
}

p {
    margin-top: 10px;
}

h1::after {
    content: url(/static/images/beaver.svg);
    padding-left: 0.5rem;
    font-size: 1.4rem;
    vertical-align: -7px;
    white-space: nowrap;
}

hr {
    height:min(0.06rem, 2px);
    border-width:0;
    color: var(--main-fg-color);
    background-color: var(--main-fg-color);
    margin-top: clamp(30px, 2rem, 45px);
    margin-bottom: clamp(30px, 2rem, 45px);
}

ul, dl {
    margin-top: 0.8rem;
}

details {
}

details summary {
    font-family: "Rethink Sans";
    font-weight: 500;
    font-size: 0.9rem;
}

dt {
    display: list-item;
    list-style-position: outside;
    margin-left: 40px;
    line-height: 1.3;
    margin-bottom: 0.1rem;
}

dd {
    font-size: 0.9em;
    line-height: 1.3;
    font-weight: 300;
    margin-bottom: 0.5rem;
}