:root{--bg:#f7f5f0;--card:#fff;--ink:#1b1f26;--muted:#5d6570;--line:#e3dfd6;--acc:#f5a524;--acc-ink:#1a1200;--link:#1d4ed8}
@media (prefers-color-scheme:dark){:root{--bg:#0f1218;--card:#161b24;--ink:#eef1f5;--muted:#a7b0c0;--line:#273044;--link:#8ab4ff}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 Onest,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--link)}.wrap{width:min(1080px,100% - 32px);margin:0 auto}.narrow{width:min(720px,100% - 32px);margin:0 auto}
header{border-bottom:1px solid var(--line)}header .wrap{display:flex;align-items:center;gap:16px;min-height:62px;flex-wrap:wrap}
.brand{font:700 1.15rem Geologica,sans-serif;text-decoration:none;color:var(--ink);letter-spacing:-.01em}
.brand b{background:var(--acc);color:var(--acc-ink);padding:1px 6px;border-radius:5px;margin-right:2px}
.brand small{font:600 .72rem Onest,sans-serif;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-left:10px}
.langs{margin-left:auto;display:flex;gap:6px}.langs a{font:600 .8rem "JetBrains Mono",monospace;text-decoration:none;color:var(--muted);padding:4px 8px;border-radius:6px;border:1px solid var(--line)}
.langs a.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.hero{padding:56px 0 24px}.hero h1{font:700 clamp(2rem,5vw,3.2rem)/1.08 Geologica,sans-serif;letter-spacing:-.03em;margin:0 0 14px}
.hero p{color:var(--muted);font-size:1.12rem;max-width:62ch;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;padding:28px 0 56px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;color:var(--ink);transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-2px);border-color:var(--acc)}.card h2{font:700 1.22rem/1.25 Geologica,sans-serif;margin:0 0 10px;letter-spacing:-.01em}
.card p{color:var(--muted);margin:0 0 16px;font-size:.98rem}.card span{margin-top:auto;font:600 .8rem "JetBrains Mono",monospace;color:var(--muted)}
article{padding:44px 0 24px}article h1{font:700 clamp(1.9rem,4.4vw,2.8rem)/1.12 Geologica,sans-serif;letter-spacing:-.025em;margin:8px 0 12px}
.meta{font:500 .82rem "JetBrains Mono",monospace;color:var(--muted)}.back{font-size:.9rem;text-decoration:none}
article h2{font:700 1.5rem/1.25 Geologica,sans-serif;margin:38px 0 10px;letter-spacing:-.015em}article h3{font:700 1.15rem Geologica,sans-serif;margin:26px 0 8px}
article p,article li{max-width:68ch}article li{margin:6px 0}article ul,article ol{padding-left:1.3em}
.lead{font-size:1.15rem;color:var(--muted)}
.cta{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:34px 0;padding:20px 22px;border-radius:14px;background:#11151c;color:#eef1f5;border-left:5px solid var(--acc)}
.cta b{font:700 1.15rem Geologica,sans-serif}.cta p{margin:4px 0 0;color:#a7b0c0;max-width:52ch;font-size:.96rem}
.btn{display:inline-block;background:var(--acc);color:var(--acc-ink);font-weight:700;text-decoration:none;padding:12px 18px;border-radius:10px;white-space:nowrap}
.src{font-size:.92rem;color:var(--muted)}footer{border-top:1px solid var(--line);padding:30px 0 40px;color:var(--muted);font-size:.92rem}
footer .wrap{display:grid;grid-template-columns:2fr 1fr;gap:28px}footer h3{font:700 1rem Geologica,sans-serif;color:var(--ink);margin:0 0 6px}
footer a{display:block;margin:4px 0}@media (max-width:640px){footer .wrap{grid-template-columns:1fr}.brand small{display:none}.cta .btn{width:100%;text-align:center}}