:root{--bg:#fff;--surface:#fff;--surface-2:#f7f8fa;--fg:#111;--muted:#6b7280;--primary:#111;--primary-strong:#000;--border:#e5e7eb}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{color:var(--fg);background:var(--bg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji}.container{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:20px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;display:flex;gap:16px;align-items:center;padding:14px 0;margin:0 auto;background:var(--surface);border-bottom:1px solid var(--border)}.brand{font-weight:800;letter-spacing:.2em;color:var(--fg);text-transform:uppercase}.brand,.nav a{text-decoration:none}.nav a{color:var(--muted);padding:8px 10px;border-radius:8px;transition:color .2s,background .2s}.nav a:hover{color:var(--fg);background:var(--surface-2)}.hero{padding:80px 0 50px;text-align:left}.eyebrow{color:var(--muted);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:12px}.hero h1{font-size:clamp(36px,6vw,56px);margin:10px 0 14px;line-height:1.1}.gradient-text,.hero h1{color:var(--fg)}.hero p{color:var(--muted);max-width:740px;font-size:18px}.cta{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}.button{background:var(--primary);color:#fff;padding:12px 16px;border-radius:10px;text-decoration:none;font-weight:600;border:1px solid var(--primary-strong)}.button:hover{filter:brightness(1.05)}.button.secondary{background:var(--surface);color:var(--fg);border:1px solid #111}.button.secondary:hover{background:#f3f4f6}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:18px;gap:18px;padding:0;margin:34px 0 8px;list-style:none}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;transition:transform .15s ease,background .15s ease,border-color .15s ease}.card:hover{transform:translateY(-1px);background:var(--surface-2);border-color:#d1d5db}.card h3{margin:10px 0 6px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:14px}.icon{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:#f3f4f6;border:1px solid var(--border)}.prose{max-width:860px;margin:44px auto;padding:18px 0}.prose h1{margin-bottom:12px}.prose h2{margin-top:28px}.prose li,.prose p{color:var(--fg)}.footer{border-top:1px solid var(--border);margin-top:60px;padding:24px 0;background:var(--surface)}.footer .container{display:flex;gap:16px;align-items:center}.spacer{flex:1 1}