btn.offsetWidth > 0 || btn.offsetHeight > 0);
if (cta) {
cta.scrollIntoView({ behavior: 'smooth', block: 'center' });
}
"
class="fixed bottom-10 left-1/2 -translate-x-1/2 z-[110] w-10 h-10 bg-black text-white rounded-full shadow-xl flex items-center justify-center cursor-pointer hover:bg-slate-800 transition-colors"
style="display: none;">