body{font-family:system-ui,sans-serif;margin:0;background:#0f172a;color:#e5e7eb}.logo-container{display:flex;justify-content:center;padding-top:1rem}.logo{max-width:10%}section{border-top:1px solid #fff;max-width:1100px;margin:2rem auto}.container{max-width:1100px;margin:auto}h1{font-size:48px}h2{font-size:32px;margin-bottom:20px}.hero{text-align:center}.hero-actions{margin-top:20px}.btn{padding:12px 20px;border-radius:6px;text-decoration:none;cursor:pointer;margin-right:10px}.btn-primary{background:#3b82f6;color:#fff}.btn-outline{border:1px solid #3b82f6;color:#3b82f6;background:none}.app-preview{background:#111827;height:300px;display:flex;align-items:center;justify-content:center}