# NOTE: GitHub Pages does not serve custom headers from this file.
# These headers only take effect on hosts that support _headers
# (Cloudflare Pages, Netlify). A CSP meta tag in index.html provides
# baseline protection regardless of hosting platform.
/*
  Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: https://avatars.githubusercontent.com https://img.youtube.com; connect-src 'self'; frame-src https://www.youtube.com; frame-ancestors 'none'
  X-Frame-Options: DENY
  X-Content-Type-Options: nosniff
  Referrer-Policy: strict-origin-when-cross-origin
  Permissions-Policy: camera=(), microphone=(), geolocation=()
  Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
