Add v0 prompt for Nextra landing page

Detailed prompt for generating the SaaS landing page with Vercel v0.
Includes: hero, features, pricing, testimonials, FAQ, and styling specs.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/nextra-landing-page-prompt.md

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+# Nextra Landing Page — v0 Prompt
+
+Paste this prompt into Vercel v0 to generate the landing page.
+
+---
+
+Create a complete SaaS landing page for "Nextra" - a visual AI agent workflow builder.
+
+## Brand
+- Name: Nextra
+- Tagline: "Build AI agent swarms, visually"
+- Style: Dark mode (#0a0a0f background), purple/violet primary (#8b5cf6),
+  subtle gradients, modern SaaS aesthetic like Linear or Vercel
+- Font: Inter or Geist Sans
+
+## Hero Section
+- Large headline: "Build AI Agent Swarms, Visually"
+- Subheadline: "Drag-and-drop workflow builder for AI agents. Connect LLMs,
+  tools, and custom logic. No code required — but code when you need it."
+- Two CTAs: "Start Building Free" (primary, purple) and "Watch Demo" (ghost/outline)
+- Hero visual: Abstract representation of connected nodes/flow diagram with
+  glowing edges, or a stylized screenshot of a flow canvas
+- Floating badges: "No credit card required" and "Free tier available"
+
+## Social Proof Bar
+- Logos section: "Trusted by teams at" with placeholder company logos (greyed out)
+- Or: "Join 1,000+ builders" with avatar stack
+
+## Features Section (6 cards in 2x3 grid)
+1. **Visual Flow Builder**
+   Icon: boxes with connecting lines
+   "Drag, drop, and connect. Your AI workflow becomes a visual diagram
+   that anyone can understand."
+
+2. **Multi-LLM Support**
+   Icon: brain or sparkles
+   "Connect to Claude, GPT-4, Grok, Llama, or your own models.
+   Automatic failover keeps your flows running."
+
+3. **Secure Custom Code**
+   Icon: code brackets with shield
+   "Write custom logic in sandboxed WebAssembly. Full power, zero risk.
+   Your code can't escape the sandbox."
+
+4. **Instant Triggers**
+   Icon: lightning bolt
+   "Webhooks, schedules, or manual runs. Your agents wake up when you
+   need them, sleep when you don't."
+
+5. **Marketplace**
+   Icon: grid of boxes / store
+   "Browse community tools and templates. Publish your own.
+   Build once, share everywhere."
+
+6. **Team Ready**
+   Icon: users
+   "Enterprise SSO, role-based access, audit logs.
+   Built for teams that ship."
+
+## How It Works Section (3 steps, horizontal)
+Step 1: "Design Your Flow"
+- Illustration: Canvas with a few connected nodes
+- "Drag blocks from the palette. Connect them visually.
+  See your YAML config update in real-time."
+
+Step 2: "Configure & Connect"
+- Illustration: Settings panel / API key input
+- "Add your LLM keys, configure triggers, set up webhooks.
+  Everything in one place."
+
+Step 3: "Deploy & Scale"
+- Illustration: Rocket or cloud with checkmark
+- "One click to deploy. Your agents run 24/7 on our infrastructure.
+  Scale to zero when idle, scale up on demand."
+
+## Pricing Section
+Header: "Simple, transparent pricing"
+Subheader: "Start free. Scale when you're ready."
+
+3 pricing cards:
+
+**Free** - $0/month
+- 1 workflow
+- Built-in tools only
+- 1,000 runs/month
+- Community support
+- CTA: "Get Started"
+
+**Pro** - $29/month
+- Unlimited workflows
+- Marketplace access
+- Custom WASM code
+- 100,000 runs/month
+- Project memory
+- Priority support
+- CTA: "Start Free Trial" (primary, highlighted card)
+
+**Enterprise** - Custom
+- Everything in Pro
+- SSO & SAML
+- Role-based access
+- Dedicated support
+- SLA guarantee
+- Private marketplace
+- CTA: "Contact Sales"
+
+## Code/YAML Preview Section
+Header: "Visual builder. YAML under the hood."
+Subheader: "See exactly what you're building. Export anytime."
+
+Split view showing:
+- Left: Mini canvas with 3-4 connected nodes
+- Right: Corresponding YAML code with syntax highlighting
+
+Caption: "What you see is what you get. Power users can edit YAML directly."
+
+## Testimonials Section (3 cards)
+Use placeholder testimonials:
+
+"Nextra replaced our entire agent orchestration layer. What took us
+weeks to build, we now do in hours."
+— Sarah Chen, CTO at [Placeholder]
+
+"Finally, a tool that lets non-engineers build AI workflows without
+sacrificing power for our dev team."
+— Marcus Johnson, Head of AI at [Placeholder]
+
+"The WASM sandboxing sold us. We can let customers run custom code
+without worrying about security."
+— Elena Rodriguez, Security Lead at [Placeholder]
+
+## FAQ Section (accordion style)
+4-5 questions:
+- "What's included in the free tier?"
+- "Can I use my own LLM API keys?"
+- "How does the WASM sandboxing work?"
+- "Can I export my workflows?"
+- "Is there an API?"
+
+## Final CTA Section
+Header: "Ready to build your first AI swarm?"
+Subheader: "Start free. No credit card required. Deploy in minutes."
+Large CTA button: "Get Started Free"
+Secondary link: "Talk to Sales →"
+
+## Footer
+- Logo + tagline
+- Columns: Product (Features, Pricing, Docs, Changelog), Company (About, Blog, Careers, Contact), Legal (Privacy, Terms, Security)
+- Social icons: Twitter/X, GitHub, Discord
+- Copyright: "© 2025 Nextra. All rights reserved."
+
+## Additional Details
+- Add subtle grid/dot pattern background in hero
+- Use glassmorphism for cards (subtle blur, border)
+- Animate elements on scroll (fade up)
+- Mobile responsive
+- Include dark mode toggle in nav (but default to dark)
+- Nav: Logo | Features | Pricing | Docs | Login | "Get Started" button