SaaS Landing Page Hero & Value Prop Copywriter

import Groq from 'groq-sdk';

const groq = new Groq({ apiKey: process.env.GROQ_API_KEY });

async function runPrompt(variables: Record<string, string>) {
  let promptText = `Write landing page copy for the hero section of a SaaS product.

Product Name: {{product_name}}
Target Audience: {{target_audience}}
Core Problem Solved: {{core_problem}}
Key Benefit: {{key_benefit}}

Deliverables:
1. 3 Headline Options
2. Supporting Sub-headline
3. Primary & Secondary CTA Text
4. 3 Bulleted Value Props`;
  Object.entries(variables).forEach(([key, val]) => {
    promptText = promptText.replace(new RegExp(`{{\\s*${key}\\s*}}`, 'g'), val);
  });

  const completion = await groq.chat.completions.create({
    messages: [
      { role: 'system', content: `You are a Conversion Rate Optimization (CRO) copywriter specializing in B2B and consumer SaaS products.` },
      { role: 'user', content: promptText }
    ],
    model: 'llama-3.3-70b-versatile',
    temperature: 0.7,
  });

  return completion.choices[0]?.message?.content;
}