* {margin: 0;padding: 0;box-sizing: border-box;border: 0;}.btn-ws span{font-size: 30px;}/* WhatsApp Button */.btn-ws {position: fixed;bottom: 30px;right: 30px;width: 60px;height: 60px;background-color: #25d366;color: white;border-radius: 50%;text-align: center;text-decoration: none;box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);display: flex;align-items: center;justify-content: center;animation: pulse 2s infinite;}@keyframes pulse {0% {box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);}70% {box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);}100% {box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);}}/* Animations */@keyframes fadeIn {from { opacity: 0; transform: translateY(20px); }to { opacity: 1; transform: translateY(0); }}.animate-fadeIn {animation: fadeIn 1s ease forwards;}.delay-1 { animation-delay: 0.2s; }.delay-2 { animation-delay: 0.4s; }.delay-3 { animation-delay: 0.6s; }.btn-ws:hover {background-color: #41fa7a;}/*@media (min-width:576px) {.btn-ws {right: 10px;}}@media (min-width:1024px) {.btn-ws {right: 20px;}}*/