@media (prefers-reduced-motion:reduce){.whatsapp-button{transition:none;animation:none}}@media (max-width:640px){.whatsapp-button{width:3.5rem;height:3.5rem;bottom:1rem;right:1rem}}@media (prefers-color-scheme:light){.whatsapp-button{box-shadow:0 4px 12px #25d3664d}}@media (prefers-color-scheme:dark){.whatsapp-button{box-shadow:0 4px 20px #25d36666}}