feat: Add CHORUS teaser website with mobile-responsive design

- Created complete Next.js 15 teaser website with CHORUS brand styling
- Implemented mobile-responsive 3D logo (128px mobile, 512px desktop)
- Added proper Exo font loading via Next.js Google Fonts for iOS/Chrome compatibility
- Built comprehensive early access form with GDPR compliance and rate limiting
- Integrated PostgreSQL database with complete schema for lead capture
- Added scroll indicators that auto-hide when scrolling begins
- Optimized mobile modal forms with proper scrolling and submit button access
- Deployed via Docker Swarm with Traefik SSL termination at chorus.services
- Includes database migrations, consent tracking, and email notifications

🤖 Generated with [Claude Code](https://claude.ai/code)

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

modules/teaser/lib/db.ts

@@ -0,0 +1,86 @@
+import { Pool, PoolClient } from 'pg'
+
+// Database connection configuration
+const dbConfig = {
+  connectionString: process.env.DATABASE_URL,
+  ssl: false, // No SSL needed for internal Docker network
+  max: 20,
+  idleTimeoutMillis: 30000,
+  connectionTimeoutMillis: 5000, // Increased timeout for Docker networking
+}
+
+// Global connection pool
+let globalPool: Pool | undefined
+
+// Initialize database pool
+function initializePool(): Pool {
+  if (!globalPool) {
+    globalPool = new Pool(dbConfig)
+    
+    // Handle pool errors
+    globalPool.on('error', (err) => {
+      console.error('Unexpected error on idle client', err)
+    })
+  }
+  
+  return globalPool
+}
+
+// Get database connection pool
+export function getDbPool(): Pool {
+  return initializePool()
+}
+
+// Execute a query with automatic connection handling
+export async function query<T = any>(text: string, params?: any[]): Promise<T[]> {
+  const pool = getDbPool()
+  
+  try {
+    const result = await pool.query(text, params)
+    return result.rows
+  } catch (error) {
+    console.error('Database query error:', error)
+    throw error
+  }
+}
+
+// Execute a transaction
+export async function transaction<T>(
+  callback: (client: PoolClient) => Promise<T>
+): Promise<T> {
+  const pool = getDbPool()
+  const client = await pool.connect()
+  
+  try {
+    await client.query('BEGIN')
+    const result = await callback(client)
+    await client.query('COMMIT')
+    return result
+  } catch (error) {
+    await client.query('ROLLBACK')
+    throw error
+  } finally {
+    client.release()
+  }
+}
+
+// Health check function
+export async function healthCheck(): Promise<{ status: string; timestamp: string }> {
+  try {
+    const result = await query('SELECT NOW() as timestamp')
+    return {
+      status: 'healthy',
+      timestamp: result[0].timestamp
+    }
+  } catch (error) {
+    throw new Error(`Database health check failed: ${error}`)
+  }
+}
+
+// Close the pool (useful for cleanup)
+export async function closePool(): Promise<void> {
+  if (globalPool) {
+    await globalPool.end()
+    globalPool = undefined
+  }
+}