:root{color-scheme:light dark;font-family:system-ui,-apple-system,sans-serif;line-height:1.65;color:#172a27;background:#f7faf9}body{max-width:42rem;margin:0 auto;padding:3rem 1.5rem 5rem}h1{font-size:2.3rem;line-height:1.15;letter-spacing:-.04em}h2{font-size:1.2rem;margin-top:2rem}p,li{font-size:1rem}a{color:#14685e;text-underline-offset:.2em}nav,footer{margin:2rem 0}footer{border-top:1px solid #ccd9d5;padding-top:1rem;font-size:.9rem}@media(prefers-color-scheme:dark){:root{color:#e7f0ec;background:#10201c}a{color:#9fdcd0}footer{border-color:#3b514a}}