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/** @type {import('next').NextConfig} */
const nextConfig = {
  reactStrictMode: true,

  // Performance optimizations
  swcMinify: true,
  compress: true,

  // Image optimization
  images: {
    formats: ['image/webp', 'image/avif'],
    minimumCacheTTL: 60,
    dangerouslyAllowSVG: true,
    contentSecurityPolicy: "default-src 'self'; script-src 'none'; sandbox;",
  },

  // Experimental features for better performance
  experimental: {
    optimizeCss: true,
    scrollRestoration: true,
  },

  // Headers for better caching and security
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: [
          {
            key: 'X-Frame-Options',
            value: 'DENY',
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff',
          },
          {
            key: 'Referrer-Policy',
            value: 'origin-when-cross-origin',
          },
        ],
      },
      {
        source: '/(.*)\\.(ico|png|jpg|jpeg|gif|webp|svg|mp4|webm)',
        headers: [
          {
            key: 'Cache-Control',
            value: 'public, max-age=31536000, immutable',
          },
        ],
      },
    ];
  },

  // Bundle analyzer (optional - uncomment to analyze bundle size)
  // webpack: (config, { isServer }) => {
  //   if (!isServer) {
  //     config.resolve.fallback = {
  //       ...config.resolve.fallback,
  //       fs: false,
  //     };
  //   }
  //   return config;
  // },
};

export default nextConfig;