HEADLESS_PROVIDER=mock NEXT_PUBLIC_SITE_URL=https://shop.cruzcloud.net NEXT_PUBLIC_WHATSAPP_URL=https://wa.link/rvcqqc FREE_SHIPPING_THRESHOLD=250000 # Shopify Storefront API (optional) SHOPIFY_STOREFRONT_URL= SHOPIFY_STOREFRONT_TOKEN= SHOPIFY_API_VERSION=2025-07 # Medusa REST (optional) MEDUSA_BACKEND_URL= MEDUSA_PUBLISHABLE_KEY=