Initial Astro website with Tailwind

- Homepage mit Hero, Stats, Features, Pricing, Industries, Waitlist
- 5 Branchenseiten (Großhandel, Handwerk, Steuerberater, Inkasso, Lieferanten)
- Tailwind CSS mit Brand-Colors (Navy + Signal-Red)
- Docker-Build für Coolify Deployment
- Component-basierte Architektur

Dockerfile

@@ -0,0 +1,46 @@
+# Build Stage
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+# Dependencies
+COPY package*.json ./
+RUN npm ci
+
+# Source
+COPY . .
+
+# Build
+RUN npm run build
+
+# Production Stage
+FROM nginx:alpine
+
+# Copy built files
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Nginx config for SPA routing
+RUN echo 'server { \
+    listen 80; \
+    root /usr/share/nginx/html; \
+    index index.html; \
+    \
+    location / { \
+        try_files $uri $uri/ $uri.html /index.html; \
+    } \
+    \
+    # Cache static assets \
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ { \
+        expires 1y; \
+        add_header Cache-Control "public, immutable"; \
+    } \
+    \
+    # Security headers \
+    add_header X-Frame-Options "SAMEORIGIN" always; \
+    add_header X-Content-Type-Options "nosniff" always; \
+    add_header X-XSS-Protection "1; mode=block" always; \
+}' > /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]