.piramida-whatsapp-btn{position:fixed;bottom:2rem;right:2rem;background-color:#25d366;color:#fff;width:56px;height:56px;border-radius:50%;text-decoration:none;display:flex;align-items:center;justify-content:center;font-weight:500;font-size:.95rem;box-shadow:0 4px 12px #25d36666;transition:all .3s ease;z-index:999;overflow:hidden;white-space:nowrap}.piramida-whatsapp-btn:hover{background-color:#20ba5a;transform:translateY(-2px);box-shadow:0 6px 16px #25d36680}.piramida-whatsapp-btn svg{flex-shrink:0;width:28px;height:28px;transition:margin .3s ease}.piramida-whatsapp-btn span{opacity:0;max-width:0;transition:all .3s ease;overflow:hidden}.piramida-whatsapp-btn.expanded{width:auto;padding:.75rem 1.5rem;border-radius:50px}.piramida-whatsapp-btn.expanded svg{margin-right:.25rem}.piramida-whatsapp-btn.expanded span{opacity:1;max-width:200px}@media(max-width:768px){.piramida-whatsapp-btn{bottom:1.5rem;right:1.5rem;width:56px;height:56px}.piramida-whatsapp-btn svg{width:28px;height:28px}.piramida-whatsapp-btn.expanded{padding:.65rem 1.25rem;font-size:.875rem}}@media(max-width:480px){.piramida-whatsapp-btn{bottom:1rem;right:1rem;width:50px;height:50px}.piramida-whatsapp-btn svg{width:24px;height:24px}.piramida-whatsapp-btn.expanded{padding:.6rem 1rem;font-size:.8rem}}