/config/database.php → PDO connection with UTF-8 & exception handling
/config/config.php → App constants, sessions, error reporting
/includes/header.php, navbar.php, footer.php, modals.php → Reusable templates
/includes/functions.php, auth.php → CSRF, queries, password_verify() auth
/pages/about.php, what-we-do.php, sponsor.php, stories.php, gallery.php, news.php, contact.php, donate.php
/admin/index.php → Admin dashboard with application approval & children CRUD
/sponsor/index.php → Sponsor profile portal & sponsored child updates
/api/children.php, sponsor.php, donate.php, contact.php → JSON REST endpoints
/database/schema.sql, seed.sql → Complete relational MySQL schema
