:root{--ink:#15141A;--plate:#1D1C24;--bone:#EEF1F5;--haze:#9AA3B0;--mercury:#C9D2DC;--rule:#34333F}
@media (prefers-color-scheme: light){:root{--ink:#F3F4F7;--plate:#FFFFFF;--bone:#14161B;--haze:#566070;--mercury:#35465A;--rule:#D9DCE3}}
*{box-sizing:border-box}body{margin:0;background:var(--ink);color:var(--bone);font:17px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text",system-ui,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 20px 80px}h1{font-size:32px;letter-spacing:-.4px;margin:0 0 8px}h2{font-size:20px;margin:36px 0 8px}
p,li{color:var(--bone)}small,.muted{color:var(--haze)}a{color:var(--mercury)}.mark{font:500 12px ui-monospace,SFMono-Regular,monospace;letter-spacing:.8px;text-transform:uppercase;color:var(--haze)}
.card{background:var(--plate);border:1px solid var(--rule);border-radius:20px;padding:20px;margin:20px 0}