Change strapline to "A framework-free reactive hypermedium"

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

sx/sx/layouts.sx

@@ -34,7 +34,7 @@
             "(<sx>)")))
       ;; Tagline — clicking "reactive" cycles colour.
       (p :style (str (mb 1) (cssx (:text (colour "stone" 500) (size "lg"))))
-        "Framework free "
+        "A framework-free "
         (span
           :style (str (cssx (:text (colour (deref current-family) (deref shade))
                               (weight "bold")))
@@ -44,7 +44,7 @@
               (swap! idx inc)
               (reset! shade (+ 400 (* (mod (* (deref idx) 137) 5) 50))))))
           "reactive")
-        " hypermedia")
+        " hypermedium")
       ;; Lake: server morphs copyright on navigation without disturbing signals.
       (lake :id "copyright"
         (p :style (cssx (:text (colour "stone" 400) (size "xs")))

sx/sxc/home.sx

@@ -6,7 +6,7 @@
     (h1 :class "text-5xl font-bold text-stone-900 mb-4"
       (span :class "text-violet-600 font-mono" "(<sx>)"))
     (p :class "text-2xl text-stone-600 mb-4"
-      "Framework free reactive hypermedia")
+      "A framework-free reactive hypermedium")
     (p :class "text-sm text-stone-400"
       "© Giles Bradshaw 2026")
     (p :class "text-lg text-stone-500 max-w-2xl mx-auto mb-12"