📋 Setup Guide (remove this section when live)

Step 1 — Get your Shopify Storefront API Token

1. Shopify Admin → Settings → Apps and sales channels
2. Click "Develop apps" → "Create an app" (name it "Checkout App")
3. Go to Configure Storefront API scopes, enable:
   unauthenticated_read_checkouts, unauthenticated_write_checkouts, unauthenticated_read_product_listings
4. Click Install app → copy the Storefront API access token
5. Paste it as SHOPIFY_STOREFRONT_TOKEN in the CONFIG block in the script

Step 2 — Get PayWb / Webpay Credentials

1. Log in to your PayWb merchant dashboard
2. Go to API Settings → copy your Merchant ID and API Key
3. Paste them as PAYWB_MERCHANT_ID and PAYWB_API_KEY in the CONFIG block
4. Also confirm the correct API endpoint URL with PayWb's documentation
5. Set mode: 'sandbox' for testing, 'live' when ready

Step 3 — Redirect Shopify cart to this page

1. Shopify Admin → Online Store → Themes → Edit code
2. Open cart.liquid or your cart drawer template
3. Find the checkout button and change its href/action to:
   https://checkout.samridhi-hub.com?cart={{cart.token}}
4. Save — now "Checkout" on your Shopify store lands on this page!

Step 4 — Deploy to Cloudflare Pages

1. Log in to dash.cloudflare.com → go to Workers & Pages
2. Click "Create application" → "Pages" → "Upload assets"
3. Upload this checkout.html file (rename it index.html first)
4. Once deployed, go to Custom domains and add checkout.samridhi-hub.com
5. In your Cloudflare DNS, a CNAME record will be auto-created pointing to your Pages deployment