diff --git a/package.json b/package.json
index 9aaf9286..165975dc 100644
--- a/package.json
+++ b/package.json
@@ -94,9 +94,9 @@
     "product:truth": "node scripts/check-product-truth.mjs",
     "mobbin:run": "node scripts/run-design-system-proving-lab.mjs",
     "mobbin:check": "node scripts/run-design-system-proving-lab.mjs --dry-run",
-    "ci": "node scripts/test-service-engine.mjs && node scripts/test-sales-intake-contract.mjs && node scripts/test-active-offer-projection.mjs && node scripts/test-active-operator-surfaces.mjs && node scripts/test-direction-proof-gate.mjs && node scripts/test-client-readiness-contract.mjs && node scripts/test-validated-service-client.mjs && node scripts/test-client-acceptance-gates.mjs && node scripts/test-operator-check-strictness.mjs && node scripts/check-product-truth.mjs && node scripts/check-human-service-kit.mjs && node scripts/test-design-system-proving-lab.mjs && node scripts/check-retention-automation.mjs && node scripts/test-retention-automation.mjs && node scripts/check-agency-defaults.mjs && node scripts/check-outbound-claim-safety.mjs && node scripts/check-outbound-send-readiness.mjs && node scripts/test-outbound-send-readiness.mjs && node scripts/test-public-conversion-signal.mjs && node scripts/test-public-structured-data.mjs && node scripts/test-public-brand-disambiguation.mjs && node scripts/test-public-heading-hierarchy.mjs && node scripts/test-public-link-targets.mjs && node scripts/test-public-social-preview.mjs && node scripts/test-public-theme-color.mjs && node scripts/test-public-soft-404.mjs && node scripts/test-public-deploy-bundle.mjs && node scripts/test-deploy-public-site-workflow.mjs && node scripts/test-pages-release.mjs && node scripts/test-pr-duplicates.mjs && node scripts/test-public-support-contact-voice.mjs && node scripts/test-public-app-copy-voice.mjs && node scripts/test-public-meta-descriptions.mjs && node scripts/test-public-footer-copy.mjs && node scripts/test-public-promptly-support-heading-hierarchy.mjs && node scripts/test-public-product-lane-consistency.mjs && find scripts -name '*.mjs' -print0 | xargs -0 -n1 node --check",
+    "ci": "node scripts/test-service-engine.mjs && node scripts/test-sales-intake-contract.mjs && node scripts/test-active-offer-projection.mjs && node scripts/test-active-operator-surfaces.mjs && node scripts/test-direction-proof-gate.mjs && node scripts/test-client-readiness-contract.mjs && node scripts/test-validated-service-client.mjs && node scripts/test-client-acceptance-gates.mjs && node scripts/test-operator-check-strictness.mjs && node scripts/check-product-truth.mjs && node scripts/check-human-service-kit.mjs && node scripts/test-design-system-proving-lab.mjs && node scripts/check-retention-automation.mjs && node scripts/test-retention-automation.mjs && node scripts/check-agency-defaults.mjs && node scripts/check-outbound-claim-safety.mjs && node scripts/check-outbound-send-readiness.mjs && node scripts/test-outbound-send-readiness.mjs && node scripts/test-public-conversion-signal.mjs && node scripts/test-public-structured-data.mjs && node scripts/test-public-brand-disambiguation.mjs && node scripts/test-public-heading-hierarchy.mjs && node scripts/test-public-link-targets.mjs && node scripts/test-public-social-preview.mjs && node scripts/test-public-theme-color.mjs && node scripts/test-public-soft-404.mjs && node scripts/test-public-deploy-bundle.mjs && node scripts/test-deploy-public-site-workflow.mjs && node scripts/test-pages-release.mjs && node scripts/test-pr-duplicates.mjs && node scripts/test-public-support-contact-voice.mjs && node scripts/test-public-app-copy-voice.mjs && node scripts/test-public-meta-descriptions.mjs && node scripts/test-public-footer-copy.mjs && node scripts/test-public-promptly-support-heading-hierarchy.mjs && node scripts/test-public-product-lane-consistency.mjs && node scripts/test-public-brand-tagline.mjs && find scripts -name '*.mjs' -print0 | xargs -0 -n1 node --check",
     "check": "npm test",
-    "test": "node scripts/test-service-engine.mjs && node scripts/test-sales-intake-contract.mjs && node scripts/test-active-offer-projection.mjs && node scripts/test-active-operator-surfaces.mjs && node scripts/test-direction-proof-gate.mjs && node scripts/test-client-readiness-contract.mjs && node scripts/test-validated-service-client.mjs && node scripts/test-client-acceptance-gates.mjs && node scripts/test-operator-check-strictness.mjs && node scripts/check-product-truth.mjs && node scripts/check-human-service-kit.mjs && node scripts/test-design-system-proving-lab.mjs && node scripts/check-retention-automation.mjs && node scripts/test-retention-automation.mjs && node scripts/check-agency-defaults.mjs && node scripts/check-outbound-claim-safety.mjs && node scripts/check-outbound-send-readiness.mjs && node scripts/test-outbound-send-readiness.mjs && node scripts/test-public-conversion-signal.mjs && node scripts/test-public-structured-data.mjs && node scripts/test-public-brand-disambiguation.mjs && node scripts/test-public-heading-hierarchy.mjs && node scripts/test-public-link-targets.mjs && node scripts/test-public-social-preview.mjs && node scripts/test-public-theme-color.mjs && node scripts/test-public-soft-404.mjs && node scripts/test-public-deploy-bundle.mjs && node scripts/test-deploy-public-site-workflow.mjs && node scripts/test-pages-release.mjs && node scripts/test-pr-duplicates.mjs && node scripts/test-public-support-contact-voice.mjs && node scripts/test-public-app-copy-voice.mjs && node scripts/test-public-meta-descriptions.mjs && node scripts/test-public-footer-copy.mjs && node scripts/test-public-promptly-support-heading-hierarchy.mjs && node scripts/test-public-product-lane-consistency.mjs && find scripts -name '*.mjs' -print0 | xargs -0 -n1 node --check",
+    "test": "node scripts/test-service-engine.mjs && node scripts/test-sales-intake-contract.mjs && node scripts/test-active-offer-projection.mjs && node scripts/test-active-operator-surfaces.mjs && node scripts/test-direction-proof-gate.mjs && node scripts/test-client-readiness-contract.mjs && node scripts/test-validated-service-client.mjs && node scripts/test-client-acceptance-gates.mjs && node scripts/test-operator-check-strictness.mjs && node scripts/check-product-truth.mjs && node scripts/check-human-service-kit.mjs && node scripts/test-design-system-proving-lab.mjs && node scripts/check-retention-automation.mjs && node scripts/test-retention-automation.mjs && node scripts/check-agency-defaults.mjs && node scripts/check-outbound-claim-safety.mjs && node scripts/check-outbound-send-readiness.mjs && node scripts/test-outbound-send-readiness.mjs && node scripts/test-public-conversion-signal.mjs && node scripts/test-public-structured-data.mjs && node scripts/test-public-brand-disambiguation.mjs && node scripts/test-public-heading-hierarchy.mjs && node scripts/test-public-link-targets.mjs && node scripts/test-public-social-preview.mjs && node scripts/test-public-theme-color.mjs && node scripts/test-public-soft-404.mjs && node scripts/test-public-deploy-bundle.mjs && node scripts/test-deploy-public-site-workflow.mjs && node scripts/test-pages-release.mjs && node scripts/test-pr-duplicates.mjs && node scripts/test-public-support-contact-voice.mjs && node scripts/test-public-app-copy-voice.mjs && node scripts/test-public-meta-descriptions.mjs && node scripts/test-public-footer-copy.mjs && node scripts/test-public-promptly-support-heading-hierarchy.mjs && node scripts/test-public-product-lane-consistency.mjs && node scripts/test-public-brand-tagline.mjs && find scripts -name '*.mjs' -print0 | xargs -0 -n1 node --check",
     "site:publish": "node scripts/publish-public-site.mjs",
     "site:publish:check": "node scripts/publish-public-site.mjs --prepare-only",
     "site:check-live-promptly-support-heading-hierarchy": "node scripts/test-public-live-promptly-support-heading-hierarchy.mjs",
diff --git a/public/404.html b/public/404.html
index 01f1e3c2..9d9b8351 100644
--- a/public/404.html
+++ b/public/404.html
@@ -24,7 +24,7 @@
           <span class="brand-mark" aria-hidden="true">TS</span>
           <span class="brand-copy">
             <strong>Tiny Studio</strong>
-            <span>Independent iPhone apps</span>
+            <span>Products for people and teams</span>
           </span>
         </a>
         <nav class="top-nav" aria-label="Primary">
diff --git a/public/contact/index.html b/public/contact/index.html
index 109c04e8..41823afe 100644
--- a/public/contact/index.html
+++ b/public/contact/index.html
@@ -68,7 +68,7 @@
           <span class="brand-mark" aria-hidden="true">TS</span>
           <span class="brand-copy">
             <strong>Tiny Studio</strong>
-            <span>Independent iPhone apps</span>
+            <span>Products for people and teams</span>
           </span>
         </a>
         <nav class="top-nav" aria-label="Primary">
diff --git a/public/privacy-choices/index.html b/public/privacy-choices/index.html
index 47dab1b7..7b8934b4 100644
--- a/public/privacy-choices/index.html
+++ b/public/privacy-choices/index.html
@@ -68,7 +68,7 @@
           <span class="brand-mark" aria-hidden="true">TS</span>
           <span class="brand-copy">
             <strong>Tiny Studio</strong>
-            <span>Independent iPhone apps</span>
+            <span>Products for people and teams</span>
           </span>
         </a>
         <nav class="top-nav" aria-label="Primary">
diff --git a/public/privacy/index.html b/public/privacy/index.html
index 012e8f9c..1381c7e0 100644
--- a/public/privacy/index.html
+++ b/public/privacy/index.html
@@ -68,7 +68,7 @@
           <span class="brand-mark" aria-hidden="true">TS</span>
           <span class="brand-copy">
             <strong>Tiny Studio</strong>
-            <span>Independent iPhone apps</span>
+            <span>Products for people and teams</span>
           </span>
         </a>
         <nav class="top-nav" aria-label="Primary">
diff --git a/public/support/index.html b/public/support/index.html
index de7caa65..20611508 100644
--- a/public/support/index.html
+++ b/public/support/index.html
@@ -74,7 +74,7 @@
           <span class="brand-mark" aria-hidden="true">TS</span>
           <span class="brand-copy">
             <strong>Tiny Studio</strong>
-            <span>Independent iPhone apps</span>
+            <span>Products for people and teams</span>
           </span>
         </a>
         <nav class="top-nav" aria-label="Primary">
diff --git a/public/terms/index.html b/public/terms/index.html
index a8f7accd..ada0b6a9 100644
--- a/public/terms/index.html
+++ b/public/terms/index.html
@@ -68,7 +68,7 @@
           <span class="brand-mark" aria-hidden="true">TS</span>
           <span class="brand-copy">
             <strong>Tiny Studio</strong>
-            <span>Independent iPhone apps</span>
+            <span>Products for people and teams</span>
           </span>
         </a>
         <nav class="top-nav" aria-label="Primary">
diff --git a/scripts/test-public-brand-tagline.mjs b/scripts/test-public-brand-tagline.mjs
new file mode 100644
index 00000000..467de3b4
--- /dev/null
+++ b/scripts/test-public-brand-tagline.mjs
@@ -0,0 +1,86 @@
+import { readFileSync } from "node:fs"
+import { fileURLToPath } from "node:url"
+import { dirname, join } from "node:path"
+
+const ROOT = join(dirname(fileURLToPath(import.meta.url)), "..")
+const read = (p) => readFileSync(join(ROOT, p), "utf8")
+
+let failures = 0
+let checks = 0
+const ok = (cond, msg) => {
+  checks++
+  if (cond) console.log(`  ok ${msg}`)
+  else {
+    failures++
+    console.error(`  FAIL ${msg}`)
+  }
+}
+
+// The header brand span (the studio logo + tagline shared across every page).
+// Extract only the tagline inside `.brand-copy` so footer paragraphs and body
+// copy cannot mask a regression in the header.
+const brandTagline = (html) => {
+  const match = html.match(
+    /<span class="brand-copy">[\s\S]*?<span>([\s\S]*?)<\/span>[\s\S]*?<\/span>/
+  )
+  return match ? match[1].replace(/\s+/g, " ").trim() : null
+}
+
+const STUDIO_TAGLINE = "Products for people and teams"
+const APP_TAGLINE = "Independent iPhone apps"
+
+// The 6 studio-level pages brand the whole studio and must match the
+// homepage's current positioning (products for people and one sharper
+// software system for teams), not the apps-only tagline.
+const STUDIO_PAGES = [
+  "public/support/index.html",
+  "public/contact/index.html",
+  "public/privacy/index.html",
+  "public/privacy-choices/index.html",
+  "public/terms/index.html",
+  "public/404.html"
+]
+
+// The 6 app pages describe specific apps, where the apps-only tagline is
+// accurate.
+const APP_PAGES = [
+  "public/promptly/index.html",
+  "public/promptly/support/index.html",
+  "public/promptly/privacy/index.html",
+  "public/drishti/index.html",
+  "public/drishti/support/index.html",
+  "public/drishti/privacy/index.html"
+]
+
+console.log("test-public-brand-tagline: every public page's header brand span carries the right studio tagline")
+
+console.log("A. the homepage brand span carries the studio tagline")
+const home = read("public/index.html")
+ok(brandTagline(home) === STUDIO_TAGLINE, "homepage brand span reads 'Products for people and teams'")
+
+console.log("B. the 6 studio-level pages carry the studio tagline, not the apps-only one")
+for (const file of STUDIO_PAGES) {
+  const html = read(file)
+  ok(brandTagline(html) === STUDIO_TAGLINE, `${file} brand span reads 'Products for people and teams'`)
+  ok(!brandTagline(html).includes(APP_TAGLINE), `${file} brand span does not say 'Independent iPhone apps'`)
+}
+
+console.log("C. the 6 app pages keep the apps-only tagline")
+for (const file of APP_PAGES) {
+  const html = read(file)
+  ok(brandTagline(html) === APP_TAGLINE, `${file} brand span reads 'Independent iPhone apps'`)
+}
+
+console.log("D. npm test/ci wiring")
+const pkg = JSON.parse(read("package.json"))
+ok(
+  pkg.scripts.test.includes("test-public-brand-tagline.mjs"),
+  "npm test runs the public brand tagline test"
+)
+ok(
+  pkg.scripts.ci.includes("test-public-brand-tagline.mjs"),
+  "npm run ci runs the public brand tagline test"
+)
+
+console.log(`\n${checks} checks, ${failures} failures`)
+process.exit(failures === 0 ? 0 : 1)