:root{color-scheme:light;--bg:#fff;--fg:#0b3b2e;--mu:#476a5f;--ln:#d8e3de;--card:#f5f9f7;--ac:#0b5d45;--af:#fff;--gold:#8a6a12}
:root[data-theme="dark"]{--bg:#0d1210;--fg:#e9f2ee;--mu:#a9bdb5;--ln:#2a3833;--card:#151d1a;--ac:#e2bd59;--af:#0d1210;--gold:#e2bd59;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
main,header,footer{max-width:960px;margin:0 auto;padding:16px}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.2}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}header nav a{margin-inline-end:14px}
a{color:var(--ac)}.btn{display:inline-block;background:var(--ac);color:var(--af);padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:600}
button{background:transparent;color:var(--fg);border:1px solid var(--ln);border-radius:8px;padding:6px 12px;font:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;padding:24px 0}.hero img{width:100%;max-width:420px}
.tag{color:var(--gold);font-weight:600;letter-spacing:.02em}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--ln);border-radius:14px;padding:18px}.mu{color:var(--mu)}footer{font-size:.85rem;color:var(--mu);border-top:1px solid var(--ln);margin-top:40px}
select{background:var(--bg);color:var(--fg);border:1px solid var(--ln);border-radius:8px;padding:6px}pre{white-space:pre-wrap}
@media(max-width:700px){.hero{grid-template-columns:1fr}}