.guide-hero{padding:76px 0 64px;background-image:linear-gradient(rgba(42,53,80,.3) 1px,transparent 1px),linear-gradient(90deg,rgba(42,53,80,.3) 1px,transparent 1px);background-size:40px 40px}.guide-hero h1{font:700 clamp(40px,6vw,70px)/1.03 var(--display);letter-spacing:-2px;max-width:950px;margin:18px 0}.guide-hero .lead{max-width:780px}.guide-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:var(--muted);font:11px var(--mono);text-transform:uppercase;letter-spacing:.8px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px;align-items:start}.article{max-width:820px}.article h2{font:700 34px/1.15 var(--display);margin:58px 0 16px}.article h2:first-child{margin-top:0}.article h3{font:600 21px var(--display);margin:32px 0 10px}.article p,.article li{color:#c0cad8}.article ul,.article ol{padding-left:22px}.article li{margin:8px 0}.callout{border-left:3px solid var(--orange);background:var(--panel);padding:20px 24px;margin:28px 0}.callout strong{display:block;color:#fff;margin-bottom:5px}.comparison{border:1px solid var(--line);margin:26px 0;overflow-x:auto}.comparison table{width:100%;border-collapse:collapse;min-width:620px}.comparison th,.comparison td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}.comparison th{background:var(--panel2);font:600 12px var(--mono);color:var(--blue);text-transform:uppercase}.comparison td:first-child{color:#fff;font-weight:600}.comparison tr:last-child td{border-bottom:0}.toc{position:sticky;top:96px;border:1px solid var(--line);background:var(--panel);padding:22px}.toc strong{display:block;font:600 12px var(--mono);color:var(--blue);text-transform:uppercase;margin-bottom:12px}.toc a{display:block;color:var(--muted);font-size:13px;padding:7px 0;border-bottom:1px solid rgba(42,53,80,.6)}.toc a:hover{color:#fff}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related a{display:block;border:1px solid var(--line);background:var(--panel);padding:20px}.related b{display:block;margin-bottom:6px}.related span{color:var(--muted);font-size:13px}@media(max-width:820px){.article-layout{grid-template-columns:1fr}.toc{position:static;order:-1}.related{grid-template-columns:1fr}.guide-hero{padding-top:54px}}