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/is-wsl/readme.md

@@ -0,0 +1,21 @@
+# is-wsl
+
+> Check if the process is running inside [Windows Subsystem for Linux](https://msdn.microsoft.com/commandline/wsl/about) (Bash on Windows)
+
+Can be useful if you need to work around unimplemented or buggy features in WSL. Supports both WSL 1 and WSL 2.
+
+## Install
+
+```sh
+npm install is-wsl
+```
+
+## Usage
+
+```js
+import isWsl from 'is-wsl';
+
+// When running inside Windows Subsystem for Linux
+console.log(isWsl);
+//=> true
+```