:root{--bg:#f6f5f1;--ink:#1c1f24;--muted:#5d636d;--rule:#d9d6cc;--accent:#9a3412}
@media (prefers-color-scheme:dark){:root{--bg:#14171b;--ink:#ecebe6;--muted:#9aa0a8;--rule:#2b3036;--accent:#fb923c}}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:400 17px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  display:flex;align-items:center;justify-content:center;padding:24px 16px}
main{max-width:520px;width:100%}
.mark{font-weight:800;letter-spacing:-.02em;font-size:clamp(34px,8vw,52px);margin:0}
.mark span{color:var(--accent)}
.rule{height:3px;width:56px;background:var(--accent);margin:22px 0}
h1{font-size:20px;font-weight:600;margin:0 0 8px}
p{color:var(--muted);margin:0}
footer{margin-top:40px;padding-top:16px;border-top:1px solid var(--rule);font-size:13px;color:var(--muted)}