:root {
    --fontFamily: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --textColor: #212121;
    --focusColor: #38606b;
    --textLight: #aac;
}

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

html, body {
    box-sizing: border-box;
}

body {
    display: grid;
    gap: 2rem;
    justify-content: center;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    font: 400 16px/24px var(--fontFamily);
}

.links {
    display: flex;
    flex-flow: row;
    gap: 1rem;
    margin-top: 2rem;
}

main {
    margin-block: auto;
}

a,
a:link,
a:visited {
    color: var(--textColor);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

a:hover {
    border-bottom-color: var(--focusColor);
    color: var(--focusColor);
}

.page-title {
    font-weight: 600;
    font-size: 5rem;
    line-height: 5rem;
}

.sub-title {
    font-weight: 400;
    font-size: 1.4rem;
    text-align: center;
}

.copy  {
    margin-top: auto;
    padding-block: 1rem;
    text-align: center;
    color: var(--textLight);
}