:root {
    color-scheme: dark;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #080a0d;
    color: #f3f5f4;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: #080a0d;
    line-height: 1.75;
}

header, main, footer {
    width: min(760px, calc(100% - 40px));
    margin-inline: auto;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    border-bottom: 1px solid #252a2d;
}

.brand { color: #f3f5f4; font-weight: 800; text-decoration: none; }
.back { color: #65d88f; text-decoration: none; }

main { padding: 48px 0 72px; }
h1 { font-size: clamp(2rem, 8vw, 3rem); line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 1.25rem; margin: 40px 0 10px; padding-top: 16px; border-top: 1px solid #252a2d; }
p, li { color: #c9cfcc; }
ul { padding-left: 1.3rem; }
.updated { color: #7d8782; margin-top: 0; }
a { color: #65d88f; }

footer {
    padding: 24px 0 40px;
    border-top: 1px solid #252a2d;
    color: #7d8782;
    font-size: 0.85rem;
}