:root{
  --bg:#ffffff; --fg:#16181d; --muted:#5b6270; --line:#e3e6ec; --accent:#1a4fd6;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#101216; --fg:#e9ecf2; --muted:#9aa3b2; --line:#272c35; --accent:#7ea2ff; }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--fg);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.wrap{max-width:44rem;margin:0 auto;padding:3.5rem 1.25rem 4rem}
h1{font-size:1.9rem;line-height:1.25;margin:0 0 1.25rem;letter-spacing:-.02em}
h2{font-size:1.1rem;margin:2.25rem 0 .5rem;letter-spacing:-.01em}
p{margin:0 0 1rem;max-width:38rem}
a{color:var(--accent)}
.lead{font-size:1.1rem;color:var(--fg)}
.muted{color:var(--muted)}
address{font-style:normal;margin:0 0 1rem}
footer{margin-top:3.5rem;padding-top:1.25rem;border-top:1px solid var(--line);
  font-size:.9rem;color:var(--muted)}
footer a{color:var(--muted)}
footer nav{margin-bottom:.5rem}
footer nav a{margin-right:1rem;display:inline-block}