window.addEventListener('DOMContentLoaded', function() {
  const urlParams = new URLSearchParams(window.location.search);
  const branch = urlParams.get('branch');
  if (branch) {
    localStorage.setItem('sfa_scans', branch);
  }

  // Progression checks
  const scans = localStorage.getItem('sfa_scans');
  if (scans) {
    const scanCount = parseInt(scans, 10) || 0;
    if (scanCount >= 1) {
      // Unlock outpost files
      document.querySelector('.outpost-files').style.display = 'block';
    }
    if (scanCount >= 3) {
      // Bypass Rebus and unlock Level 3 clearance
      document.querySelector('.level3-clearance').style.display = 'block';
    }
    if (scanCount >= 7) {
      // Unlock Level 4 fragment
      document.querySelector('.level4-fragment').style.display = 'block';
    }
  }
});