* {
    box-sizing: border-box;
    margin: 0;
    background-color: #222;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 5vh clamp(1rem, 5vw, 3rem) 1rem;
    font-family: system-ui, sans-serif;
    line-height: 1.5;
    color: white;
    ;
}

body>* {
    --layout-spacing: max(8vh, 3rem);
    --max-width: 70ch;
    width: min(100%, var(--max-width));
    margin-left: auto;
    margin-right: auto;
}

nav {
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
}

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    padding-left: 1rem;
}

main {
    /*margin-top: var(--layout-spacing);*/
}

footer {
    margin-top: auto;
    padding-top: var(--layout-spacing);
}

footer p {
    border-top: 1px solid #ccc;
    padding-top: 0.25em;
    font-size: 0.9rem;
    color: #ACACAC;
}

 :is(h1, h2, h3) {
    line-height: 1.2;
}

 :is(h2, h3):not(:first-child) {
    margin-top: 2em;
}

article *+* {
    margin-top: 1em;
}

a {
    color: lightblue;
    text-underline-offset: 0.15em;
}