Round prices UP and change portfolio name to "Puffin Portfolio"

Changes:
- Changed portfolio description from "Portfolio {ID}" to "Puffin Portfolio"
- Round pricePerTon UP using Math.ceil() instead of exact decimals
- Round total cost UP using Math.ceil()

Example: $237.19 per ton → $238 per ton

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

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

server/routes/checkout.js

@@ -70,7 +70,7 @@ router.post('/create-session', async (req, res) => {
           currency: 'usd',
           product_data: {
             name: `Carbon Offset - ${tons} tons`,
-            description: `Portfolio ${portfolioId} at $${pricePerTon}/ton`,
+            description: `Puffin Portfolio at $${Math.ceil(pricePerTon)}/ton`,
             // images: ['https://puffinoffset.com/images/carbon-offset.png'], // Optional: Add your logo when available
           },
           unit_amount: baseAmount, // Base amount in cents

src/components/OffsetOrder.tsx

@@ -166,8 +166,8 @@ export function OffsetOrder({ tons, monetaryAmount, onBack, calculatorType }: Pr
 
   const renderPortfolioPrice = (portfolio: Portfolio) => {
     try {
-      // Get the price per ton from the portfolio
-      const pricePerTon = portfolio.pricePerTon || 18; // Default based on Wren Climate Fund average
+      // Get the price per ton from the portfolio and round UP to next whole number
+      const pricePerTon = Math.ceil(portfolio.pricePerTon || 18);
       return formatCurrency(pricePerTon, currencies.USD);
     } catch (err) {
       console.error('Error formatting portfolio price:', err);
@@ -175,8 +175,9 @@ export function OffsetOrder({ tons, monetaryAmount, onBack, calculatorType }: Pr
     }
   };
 
-  // Calculate offset cost using the portfolio price
-  const offsetCost = monetaryAmount || (portfolio ? actualOffsetTons * (portfolio.pricePerTon || 18) : 0);
+  // Calculate offset cost using the portfolio price (rounded UP)
+  const roundedPricePerTon = portfolio ? Math.ceil(portfolio.pricePerTon || 18) : 18;
+  const offsetCost = monetaryAmount || (portfolio ? Math.ceil(actualOffsetTons * roundedPricePerTon) : 0);
 
   return (
     <motion.div