Initial commit: Astro 6 migration with teal design

nginx.conf

@@ -0,0 +1,28 @@
+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml application/javascript application/json;
+
+    # Cache static assets
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    # Main page
+    location / {
+        try_files $uri $uri/ $uri.html =404;
+    }
+
+    # SPA fallback for Astro static output
+    location ~ ^/[^.]*$ {
+        try_files $uri $uri.html =404;
+    }
+}