fix: update relative path for global stylesheet reference in legal pages

Author: leonism

src/pages/en/cookies.astro

@@ -190,7 +190,7 @@ const lang = LOCALES.en;
 </Layout>
 
 <style>
-  @reference "../styles/global.css";
+  @reference "../../styles/global.css";
   .prose h2 {
     @apply mb-6 mt-12 text-2xl font-bold text-slate-900 first:mt-0 dark:text-white;
   }

src/pages/en/privacy.astro

@@ -275,7 +275,7 @@ const lang = LOCALES.en;
 </Layout>
 
 <style>
-  @reference "../styles/global.css";
+  @reference "../../styles/global.css";
   .prose h2 {
     @apply mb-6 mt-12 text-2xl font-bold text-slate-900 first:mt-0 dark:text-white;
   }

src/pages/en/terms.astro

@@ -243,7 +243,7 @@ const lang = LOCALES.en;
 </Layout>
 
 <style>
-  @reference "../styles/global.css";
+  @reference "../../styles/global.css";
   .prose h2 {
     @apply mb-6 mt-12 text-2xl font-bold text-slate-900 first:mt-0 dark:text-white;
   }