🎨 Fix CSS: Import global.css + plain CSS styles

CSS was not being imported! Fixed:

✅ Added 'import ../styles/global.css' to BaseLayout.astro
✅ Rewrote CSS with plain CSS (not @apply which wasn't working)
✅ Cookie banner has inline styles as backup
✅ Font size: 16px base
✅ Solid colors: green-600 (#16a34a), gray-900 (#111827)
✅ Footer has policy links

Build: 12 pages ✅

dealplustech-astro/node_modules/is-unicode-supported/index.d.ts

@@ -0,0 +1,12 @@
+/**
+Detect whether the terminal supports Unicode.
+
+@example
+```
+import isUnicodeSupported from 'is-unicode-supported';
+
+isUnicodeSupported();
+//=> true
+```
+*/
+export default function isUnicodeSupported(): boolean;