:root{color-scheme:light;--ink:#1b2638;--muted:#667389;--accent:#6658e8;--line:#dee3ed;--paper:#fafbfe;--surface:#f0f2f8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-underline-offset:4px}a:hover{color:#4432bf}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}header,main,footer{max-width:1160px;margin:auto;padding:0 32px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:92px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:750;letter-spacing:-.4px}.brand img{width:36px;height:36px}nav{display:flex;gap:24px;flex-wrap:wrap;font-size:14px}nav a{text-decoration:none}main{padding-top:72px;padding-bottom:72px}.eyebrow{font-size:12px;letter-spacing:.15em;font-weight:750;color:var(--accent);text-transform:uppercase}h1{font-size:clamp(36px,5.2vw,64px);line-height:1.1;letter-spacing:-.045em;margin:20px 0 24px;max-width:880px}h2{font-size:28px;line-height:1.25;letter-spacing:-.025em;margin:0 0 16px}h3{font-size:19px;line-height:1.4}.lead{font-size:20px;line-height:1.6;color:var(--muted);max-width:750px}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.button{padding:12px 22px;border-radius:9px;border:1px solid var(--line);text-decoration:none;font-weight:650;font-size:14px;color:var(--ink);background:white}.button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.button:hover{box-shadow:0 3px 12px #1b263812}.tags{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0 30px}.tags span{font-size:12px;padding:5px 10px;border:1px solid var(--line);border-radius:6px;background:white;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:48px 0}.card{padding:30px;background:white;border:1px solid var(--line);border-radius:16px}.card p{color:var(--muted)}.card h2{margin-top:18px}.card.featured{background:#f4f2ff;border-color:#d8d2ff}.mark{width:48px;height:48px}.card .links{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}.preview{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:13px;box-shadow:0 24px 64px #18204013;margin:40px 0 12px}.caption{font-size:13px;color:var(--muted);margin-bottom:52px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:40px 0}.grid3 .card{padding:24px}section{margin-top:64px}pre{background:#182030;color:#e8ecf7;overflow:auto;padding:24px;border-radius:12px;font:14px/1.8 ui-monospace,Consolas,monospace;max-width:100%}code{font-family:ui-monospace,Consolas,monospace}table{width:100%;border-collapse:collapse;margin:24px 0}td,th{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}th{background:var(--surface);font-size:13px}.note{padding:20px 24px;background:var(--surface);border-radius:12px;color:var(--muted);font-size:14px}footer{border-top:1px solid var(--line);padding-top:24px;padding-bottom:36px;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:var(--muted)}@media(max-width:700px){header,main,footer{padding-left:20px;padding-right:20px}header{min-height:82px;align-items:flex-start;padding-top:20px;padding-bottom:20px;gap:16px}nav{gap:12px}main{padding-top:44px}.cards,.grid3{grid-template-columns:1fr}.lead{font-size:18px}.card{padding:24px}footer{flex-direction:column}td,th{padding:12px 8px;font-size:13px}.preview{border-radius:8px}}