Brand name shown as «تدریسینو ریاضی» everywhere users see it (splash, login, onboarding, footer, subscription, share); splash nowrap + balanced titles for narrow phones

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/screens/ProfileScreen.tsx

@@ -148,7 +148,7 @@ function SubscriptionCard({ onOpen }: { onOpen: () => void }) {
       <div className="flex items-center gap-3">
         <span className={`glyph flex h-11 w-11 flex-shrink-0 items-center justify-center rounded-2xl ${s.active ? 'bg-white/20' : 'bg-[#FFF4D6] text-[#E0A200]'}`}><Crown size={20} /></span>
         <span className="min-w-0 flex-1">
-          <span className={`block text-xs font-bold ${s.active ? 'text-white/80' : 'text-muted'}`}>اشتراک تدریسینو</span>
+          <span className={`block text-xs font-bold ${s.active ? 'text-white/80' : 'text-muted'}`}>اشتراک تدریسینو ریاضی</span>
           <span className="block text-base font-black">{s.active ? (s.planTitle ?? 'فعال') : 'اشتراک نداری'}</span>
         </span>
         <span className="text-left">