:root{--bg-main:#f8f2e6;--bg-soft:#fff8ec;--panel:#ffffff;--ink:#192333;--muted:#4f5a64;--saffron:#c86c14;--teal:#126f73;--indigo:#21466f;--line:#e4d8c4;--shadow:0 12px 34px rgba(16,32,50,0.1);--radius:16px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at 12% 8%,#f3d9b7 0,transparent 23%),radial-gradient(circle at 92% 12%,#c7dcec 0,transparent 24%),linear-gradient(140deg,var(--bg-main),var(--bg-soft));color:var(--ink);font-family:Manrope,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.site{width:min(1120px,92%);margin:0 auto;padding:18px 0 42px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}.brand{font-size:1.2rem;font-weight:800;letter-spacing:.02em;color:var(--indigo)}.navlinks{display:flex;gap:8px;flex-wrap:wrap}.navlinks a{padding:8px 12px;border:1px solid #d2dce5;border-radius:999px;font-weight:700;font-size:.84rem;background:#ffffffbb}.hero,.panel,.section{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero{padding:20px}.hero h1{margin:0;font-size:clamp(1.5rem,2.8vw,2.5rem);color:#12365a}.hero p{color:var(--muted);max-width:72ch}.kicker{margin:0 0 8px;text-transform:uppercase;letter-spacing:.08em;color:var(--teal);font-size:.74rem;font-weight:800}.grid{display:grid;grid-gap:12px;gap:12px}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.section{margin-top:14px;padding:16px}.section h2{margin:0;color:#17395f;font-size:1.35rem}.section p{color:var(--muted)}.card{border:1px solid #d7dde4;border-radius:12px;background:#ffffff;padding:12px}.card h3{margin:0 0 6px;color:#19476d;font-size:.98rem}.card p{margin:0;font-size:.86rem}.cta-row{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}.playground-grid{margin-top:14px;display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}label{display:grid;grid-gap:6px;gap:6px;font-size:.82rem;color:var(--muted);font-weight:700}input,select{width:100%;padding:10px 11px;border-radius:10px;border:1px solid #cfd8e2;background:#fff;color:var(--ink)}button.btn{border:none;cursor:pointer}button.btn:disabled{opacity:.7;cursor:not-allowed}.btn{display:inline-block;padding:10px 14px;border-radius:10px;font-weight:800;font-size:.88rem}.btn.primary{background:linear-gradient(120deg,var(--saffron),#e7a04e);color:#2f1900}.btn.secondary{background:linear-gradient(120deg,var(--teal),#37a2a4);color:#fff}pre{margin:0;background:#0f2335;color:#ecf3fb;border-radius:12px;padding:14px;overflow:auto;font-size:.8rem;line-height:1.4}ul{margin:8px 0 0;padding-left:20px}li{margin-bottom:6px;color:var(--muted)}@media (max-width:960px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.playground-grid{grid-template-columns:1fr}}@media (max-width:700px){.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}