:root{--paper:#F1EFEA;--card:#FAF9F6;--ink:#1C1F24;--soft:#555A63;--accent:#2B4E85;--rule:#DAD7CF}
@media (prefers-color-scheme:dark){:root{--paper:#141619;--card:#1E2125;--ink:#ECEDEF;--soft:#A9AEB6;--accent:#9DBAEB;--rule:#33373D}}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif}
main{max-width:720px;margin:0 auto;padding:32px 20px 64px}
h1,h2{font-family:"New York",ui-serif,Georgia,serif;line-height:1.25}
h1{font-size:34px;margin:12px 0 4px}h2{font-size:22px;margin-top:36px}
a{color:var(--accent)}
.lead{color:var(--soft);font-size:19px}
header{display:flex;align-items:center;gap:14px}
header img{width:64px;height:64px;border-radius:14px}
nav{margin:24px 0;display:flex;gap:18px;flex-wrap:wrap;font-weight:600}
.card{background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:18px 20px;margin:14px 0}
footer{color:var(--soft);font-size:14px;margin-top:48px}