server {
    listen 80;
    server_name lahrcarpetcleaning.com www.lahrcarpetcleaning.com;
    root /usr/share/nginx/html;
    index index.html;

    # 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;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Permissions-Policy "geolocation=(), microphone=(), camera=()" always;
    add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data:; media-src 'self'; connect-src 'self'; frame-ancestors 'none';" always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Remove server version fingerprint
    server_tokens off;

    # Block dot files and hidden directories
    location ~ /\. {
        deny all;
        return 404;
    }

    # Block tools directory
    location ^~ /tools/ {
        deny all;
        return 404;
    }

    # Block sensitive file types
    location ~* \.(env|log|sh|py|pyc|md|yml|yaml|conf|dockerfile|dockerignore|bak|backup|sql|key|pem|json|planning|cpanel)$ {
        deny all;
        return 404;
    }

    # Block README and Dockerfile at root
    location ~* ^/(README|Dockerfile|docker-compose\.yml|\.cpanel\.yml)$ {
        deny all;
        return 404;
    }

    location / {
        try_files $uri $uri/ $uri/index.html =404;
    }

    error_page 404 /404.html;
    error_page 500 502 503 504 /500.html;

    location ~* \.(jpg|jpeg|png|gif|ico|css|js|svg|webp|woff|woff2|ttf|mp4|webm)$ {
        expires 30d;
        add_header Cache-Control "public, immutable";
    }
}