:root{--bg:#0e1310;--surface:#161e18;--ink:#eaf0e6;--muted:#9fae9c;--line:#273329;--accent:#7fd67a;color-scheme:dark light}
@media (prefers-color-scheme:light){:root{--bg:#f5f7f2;--surface:#fff;--ink:#141d17;--muted:#56645a;--line:#e0e5db;--accent:#2a6b2e}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:1rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:40rem;margin:0 auto;padding:2.5rem 1.1rem}
h1{font-size:2rem;letter-spacing:-.02em;margin:0 0 .4rem}
.lede{color:var(--muted);margin:0 0 1.5rem;font-size:1.05rem}
.cards{list-style:none;padding:0;margin:0 0 1.5rem}
.cards a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1rem 1.1rem;color:var(--ink);text-decoration:none}
.cards a:hover,.cards a:focus-visible{border-color:var(--accent)}
.cards strong{display:block;font-size:1.1rem;margin-bottom:.15rem}
.cards span{color:var(--muted)}
.note{color:var(--muted);font-size:.92rem}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}