:root{--bg:#0e1116;--ink:#e8eaed;--muted:#9aa0a8;--accent:#7dd3a8;--line:#23272f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,segoe ui,sans-serif;line-height:1.65}.site-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 2rem;border-bottom:1px solid var(--line)}.brand{font-weight:700;color:var(--ink);text-decoration:none;font-size:1.15rem}nav a{color:var(--muted);text-decoration:none;margin-left:1.5rem;font-size:.95rem}nav a:hover{color:var(--accent)}main{max-width:46rem;margin:0 auto;padding:2.5rem 1.5rem 4rem}.hero h1{font-size:2.6rem;margin:0 0 .5rem;letter-spacing:-.02em}.tagline{font-size:1.35rem;font-style:italic;color:var(--accent);margin:0 0 1rem}.lede{color:var(--muted)}.content h2{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--line)}.content a{color:var(--accent)}.content img{max-width:100%;height:auto;display:block;margin:2rem auto;border:1px solid var(--line);border-radius:8px}.article-list{list-style:none;padding:0;margin-top:2rem}.article-list li{margin-bottom:1.5rem}.article-list .date{color:var(--muted);font-size:.85rem;margin-left:.75rem;font-family:ui-monospace,SFMono-Regular,monospace}.date{color:var(--muted);font-size:.9rem}.site-footer{border-top:1px solid var(--line);padding:2rem;text-align:center}.site-footer .certs{color:var(--muted);font-size:.85rem;max-width:46rem;margin:0 auto 1rem}.site-footer .meta{color:var(--muted);font-size:.75rem;opacity:.7}.site-footer .disclaimer{color:var(--muted);font-size:.8rem;opacity:.7;max-width:46rem;margin:1rem auto 0;line-height:1.5}@media(max-width:640px){.hero h1{font-size:2rem}.site-header{padding:1rem;flex-direction:column;gap:.75rem}nav a{margin:0 .75rem}}