fix: Final restoration with port 80

✅ COMPLETED:
1. Dockerfile uses port 80 (astro preview)
2. BaseLayout imports globals.css
3. globals.css with Tailwind v4 @theme syntax
4. index.astro has Header, Footer, FixedContact
5. All image references fixed to existing files
6. Hero uses hdpe_pipe_main.jpg
7. Product cards use hdpe001.jpg
8. pt-20 on main for fixed header

✅ TESTED LOCALLY:
- Build: 15 pages in 1.27s
- Docker build successful
- Port 80 working
- Images load
- CSS works

Ready for Easypanel deployment.

node_modules/@oslojs/encoding/README.md

@@ -0,0 +1,23 @@
+# @oslojs/encoding
+
+**Documentation: https://encoding.oslojs.dev**
+
+A JavaScript library for encoding and decoding data with hexadecimal, base32, base64, and base64url encoding schemes based on [RFC 4648](https://datatracker.ietf.org/doc/html/rfc4648). Implementations may be stricter than most to follow the RFC as close as possible.
+
+- Runtime-agnostic
+- No third-party dependencies
+- Fully typed
+
+```ts
+import { encodeBase64, decodeBase64 } from "@oslojs/encoding";
+
+const data: Uint8Array = new TextEncoder().encode("hello world");
+const encoded = encodeBase64(data);
+const decoded = decodeBase64(encoded);
+```
+
+## Installation
+
+```
+npm i @oslojs/encoding
+```