<?php
header('Content-Type: application/xml; charset=utf-8');
$host=$_SERVER['HTTP_HOST'] ?? '';
$scheme=(!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
$base=$host ? $scheme.'://'.$host : '';
$today=date('Y-m-d');
$urls=['/','/brand-story/','/recommendations/','/cases/','/guide/','/insights/','/about/'];
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
$ns='http://www'.'.'.'sitemaps'.'.'.'org/schemas/sitemap/0.9';
echo "<urlset xmlns=\"$ns\">\n";
foreach($urls as $u){
  echo "  <url><loc>".htmlspecialchars($base.$u,ENT_XML1,'UTF-8')."</loc><lastmod>$today</lastmod><changefreq>weekly</changefreq><priority>".($u==='/'?'1.0':'0.8')."</priority></url>\n";
}
echo "</urlset>\n";
?>
