diff --git a/src/app/technology/page.tsx b/src/app/technology/page.tsx
index cefb8e9..f830187 100644
--- a/src/app/technology/page.tsx
+++ b/src/app/technology/page.tsx
@@ -10,22 +10,71 @@ import { getLegacyArticlesBySection } from "@/lib/articles/legacy-source";
 
 export const revalidate = 1800;
 
-export const metadata: Metadata = {
-  title: "Production Technology Deep Dives — Broadcast Beat",
-  description:
-    "Deep-dive analysis of broadcast technology trends: IP workflows, cloud production, AI automation, streaming infrastructure, and ATSC 3.0.",
-  alternates: { canonical: "/technology" },
-  openGraph: {
-    title: "Production Technology Deep Dives — Broadcast Beat",
-    description:
-      "Deep-dive analysis of broadcast technology trends: IP workflows, cloud production, AI automation, streaming infrastructure, and ATSC 3.0.",
-    url: "/technology",
-    type: "website",
+// Category sub-filters keyed off the ?category= query string. Each one
+// pairs a display title with the keywords used to match an article's
+// category, tags, or title (substring, case-insensitive).
+const CATEGORY_FILTERS: Record<string, { title: string; keywords: string[]; description: string }> = {
+  ai: {
+    title: "AI & Automation",
+    keywords: ["ai", "artificial intelligence", "automation", "machine learning", "ml"],
+    description: "Coverage of AI and automation in broadcast — generative tools, ML-driven workflows, automated playout, and editorial-grade AI.",
+  },
+  cloud: {
+    title: "Cloud Production",
+    keywords: ["cloud"],
+    description: "Cloud-native production, remote workflows, hybrid pipelines, and SaaS-delivered broadcast infrastructure.",
+  },
+  "ip-workflows": {
+    title: "IP Workflows",
+    keywords: ["ip", "st 2110", "smpte 2110", "nmos"],
+    description: "ST 2110, NMOS, IP infrastructure, and the migration off SDI.",
+  },
+  streaming: {
+    title: "Streaming",
+    keywords: ["streaming", "ott", "fast", "vod"],
+    description: "OTT, FAST, VOD, low-latency streaming, and direct-to-consumer delivery.",
+  },
+  "atsc-3": {
+    title: "ATSC 3.0 / NextGen TV",
+    keywords: ["atsc", "nextgen"],
+    description: "ATSC 3.0 deployments, 5G Broadcast, datacasting, and the U.S. terrestrial transition.",
   },
 };
 
-export default async function TechnologyPage() {
-  const articles = await getLegacyArticlesBySection("technology");
+interface PageProps {
+  searchParams?: Promise<{ category?: string }>;
+}
+
+export async function generateMetadata({ searchParams }: PageProps): Promise<Metadata> {
+  const sp = await searchParams;
+  const cat = sp?.category && CATEGORY_FILTERS[sp.category];
+  const title = cat ? `${cat.title} — Broadcast Beat` : "Production Technology Deep Dives — Broadcast Beat";
+  const desc = cat?.description || "Deep-dive analysis of broadcast technology trends: IP workflows, cloud production, AI automation, streaming infrastructure, and ATSC 3.0.";
+  return {
+    title,
+    description: desc,
+    alternates: { canonical: sp?.category ? `/technology?category=${sp.category}` : "/technology" },
+    openGraph: { title, description: desc, url: "/technology", type: "website" },
+  };
+}
+
+function articleMatches(a: { title?: string | null; category?: string | null; tags?: string[] | null }, keywords: string[]): boolean {
+  const hay = `${a.title || ""} ${a.category || ""} ${(a.tags || []).join(" ")}`.toLowerCase();
+  return keywords.some((k) => hay.includes(k.toLowerCase()));
+}
+
+export default async function TechnologyPage({ searchParams }: PageProps) {
+  const sp = await searchParams;
+  const filterSlug = sp?.category && CATEGORY_FILTERS[sp.category] ? sp.category : null;
+  const filter = filterSlug ? CATEGORY_FILTERS[filterSlug] : null;
+
+  const baseArticles = await getLegacyArticlesBySection("technology");
+  const articles = filter ? baseArticles.filter((a) => articleMatches(a, filter.keywords)) : baseArticles;
+
+  const h1 = filter ? filter.title : "Production Technology";
+  const subtitle = filter
+    ? filter.description
+    : "Deep-dive coverage of IP infrastructure, AI, cloud production, and the standards shaping broadcast's future";
 
   return (
     <div className="min-h-screen bg-background">
@@ -36,13 +85,59 @@ export default async function TechnologyPage() {
           <div className="flex items-center gap-3 mb-2">
             <span className="section-label">Technology</span>
             <div className="flex-1 h-px bg-[#2a2a2a]" />
+            {filter && (
+              <Link href="/technology" className="text-[#666] hover:text-[#3b82f6] font-body text-[11px] underline">
+                clear filter
+              </Link>
+            )}
+          </div>
+          <h1 className="font-heading text-white text-3xl font-bold">{h1}</h1>
+          <p className="text-[#777] font-body text-sm mt-2">{subtitle}</p>
+
+          {/* Sub-category chips */}
+          <div className="flex items-center gap-2 mt-5 flex-wrap">
+            <Link
+              href="/technology"
+              className={`px-3 py-1.5 rounded-sm font-body text-[11px] font-semibold uppercase tracking-wide transition-all ${
+                !filterSlug
+                  ? "bg-[#3b82f6]/20 text-[#3b82f6] border border-[#3b82f6]/50"
+                  : "bg-[#111] text-[#888] border border-[#2a2a2a] hover:text-[#ccc]"
+              }`}>
+              All
+            </Link>
+            {Object.entries(CATEGORY_FILTERS).map(([slug, def]) => {
+              const isActive = filterSlug === slug;
+              return (
+                <Link
+                  key={slug}
+                  href={`/technology?category=${slug}`}
+                  className={`px-3 py-1.5 rounded-sm font-body text-[11px] font-semibold uppercase tracking-wide transition-all ${
+                    isActive
+                      ? "bg-[#3b82f6]/20 text-[#3b82f6] border border-[#3b82f6]/50"
+                      : "bg-[#111] text-[#888] border border-[#2a2a2a] hover:text-[#ccc]"
+                  }`}>
+                  {def.title}
+                </Link>
+              );
+            })}
           </div>
-          <h1 className="font-heading text-white text-3xl font-bold">Production Technology</h1>
-          <p className="text-[#777] font-body text-sm mt-2">Deep-dive coverage of IP infrastructure, AI, cloud production, and the standards shaping broadcast&apos;s future</p>
         </div>
       </div>
 
       <main className="max-w-container mx-auto px-4 py-8">
+        {articles.length === 0 && (
+          <div className="text-center py-16">
+            <p className="font-body text-[#888] text-base">
+              No articles found{filter ? ` for "${filter.title}"` : ""}.
+            </p>
+            {filter && (
+              <Link href="/technology" className="inline-block mt-3 text-[#3b82f6] hover:underline font-body text-sm">
+                ← Back to all technology coverage
+              </Link>
+            )}
+          </div>
+        )}
+
         {/* Featured technology article */}
         {articles[0] && (
           <div className="mb-10">