task: Create a completely new, premium and professional landing page for "NOVA Digital". Business: AI Automation & Web Development Agency Target audience: Small and medium-sized businesses Services: AI automation, custom web applications, SaaS development, API integrations Main CTA: Book a Free Consultation Secondary CTA: View Our Services Design: • Modern premium SaaS/agency style • Clean and visually impressive • Strong hero section • Professional typography and spacing • Subtle animations and hover effects • Fully responsive on desktop, tablet and mobile • High-quality visual hierarchy Sections: 1. Hero 2. Trusted/Why Choose Us 3. Services 4. How It Works 5. Featured Work / Portfolio 6. Benefits 7. Testimonials 8. FAQ 9. Final CTA 10. Footer Technical requirements: • Replace the existing index.html, style.css and app.js with the new website. • Use only HTML, CSS and JavaScript. • No external backend or database. • Keep the project self-contained. • Do not modify or delete `.agents`, `.processed_tasks.json`, or `slack_event_worker.py`. • Make sure all navigation links and buttons work. • Make the page polished enough to be shown to a real client. • Before completion, verify that the generated files are valid and work together.