feat(a11y): implement screen reader support and accessibility optimizations

components/DatasheetDownload.tsx

@@ -42,6 +42,7 @@ export default function DatasheetDownload({ datasheetPath, className }: Datashee
               fill="none"
               stroke="currentColor"
               viewBox="0 0 24 24"
+              aria-hidden="true"
             >
               <path
                 strokeLinecap="round"
@@ -69,7 +70,13 @@ export default function DatasheetDownload({ datasheetPath, className }: Datashee
 
           {/* Arrow Icon */}
           <div className="flex h-10 w-10 items-center justify-center rounded-full bg-white/5 text-white/20 group-hover:bg-accent group-hover:text-white group-hover:translate-x-1 transition-all duration-500">
-            <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <svg
+              className="h-6 w-6"
+              fill="none"
+              stroke="currentColor"
+              viewBox="0 0 24 24"
+              aria-hidden="true"
+            >
               <path
                 strokeLinecap="round"
                 strokeLinejoin="round"