Build the Future - AI Platform Hero

You are an expert frontend developer. Create a stunning, premium React landing page hero section.

REQUIREMENTS:
- TypeScript (.tsx file)
- Tailwind CSS only (no external CSS)
- Dark theme with deep purple/blue gradient background
- Glass morphism cards with backdrop blur
- Animated gradient orbs floating in background
- Bold modern typography (use font-bold, tracking-tight)
- Headline: "Build the Future" / Subheadline: "AI-powered development platform for modern teams"
- Two CTA buttons: "Start Free" (primary gradient) and "Watch Demo" (outline)
- Use lucide-react icons: Sparkles, Play, ArrowRight
- Smooth hover transitions (scale, glow effects)
- Fully responsive (mobile-first)
- min-h-screen, centered content
- NO PROPS - all content hardcoded
- Export as default function