style: add comment for global styles section in CSS

Author: mallory-scotton

style.css

@@ -1,5 +1,7 @@
 @import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700&family=Barlow+Condensed:wght@700&display=swap');
 
+/* ── Global Styles ── */
+
 * {
     margin: 0;
     padding: 0;