.whatsapp-float{z-index:1000;align-items:center;gap:15px;display:flex;position:fixed;bottom:20px;right:20px}.serena-label{opacity:0;pointer-events:none;white-space:nowrap;background:linear-gradient(135deg,#7c3aed,#6d28d9);border-radius:15px;flex-direction:column;padding:12px 20px;transition:all .4s;display:flex;transform:translate(20px);box-shadow:0 4px 20px #7c3aed66}.whatsapp-float:hover .serena-label{opacity:1;transform:translate(0)}.serena-label-text{color:#fffc;letter-spacing:.5px;text-transform:uppercase;font-size:11px;font-weight:500}.serena-label-name{color:#fff;margin:2px 0;font-size:18px;font-weight:700;line-height:1.2}.serena-label-subtitle{color:#ffffffb3;font-size:11px;font-weight:400}.serena-robot-btn{color:#fff;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:75px;height:75px;text-decoration:none;transition:all .3s;animation:2.5s infinite serena-pulse;display:flex;position:relative;box-shadow:0 4px 25px #8b5cf64d}.serena-robot-btn:before{content:"";z-index:-1;opacity:0;background:radial-gradient(circle,#8b5cf626,#0000);border-radius:50%;transition:opacity .3s;position:absolute;inset:-5px}.serena-robot-btn:hover:before{opacity:1}.serena-robot-btn:hover{color:#fff;text-decoration:none;transform:scale(1.15)rotate(5deg);box-shadow:0 6px 35px #8b5cf680}.serena-robot-btn:active{transform:scale(.95)rotate(0)}.serena-robot-icon{filter:drop-shadow(0 2px 4px #0003);transition:transform .3s}.serena-robot-btn:hover .serena-robot-icon{animation:.6s robot-wave;transform:scale(1.05)}@keyframes serena-pulse{0%{box-shadow:0 4px 25px #8b5cf64d}50%{box-shadow:0 4px 25px #8b5cf64d,0 0 0 15px #8b5cf61a,0 0 0 30px #8b5cf60d}to{box-shadow:0 4px 25px #8b5cf64d}}@keyframes robot-wave{0%,to{transform:rotate(0)}25%{transform:rotate(-10deg)}75%{transform:rotate(10deg)}}@media (max-width:768px){.whatsapp-float{gap:10px;bottom:15px;right:15px}.serena-robot-btn{width:60px;height:60px}.serena-robot-icon{width:38px;height:38px}.serena-label{border-radius:12px;padding:10px 15px}.serena-label-text{font-size:9px}.serena-label-name{font-size:15px}.serena-label-subtitle{font-size:9px}}@media (max-width:480px){.serena-label{display:none}.serena-robot-btn{width:55px;height:55px}.serena-robot-icon{width:35px;height:35px}}@keyframes pulse-animation{0%{transform:scale(1);box-shadow:0 4px 12px #00000026}50%{transform:scale(1.05);box-shadow:0 8px 24px #00000040}to{transform:scale(1);box-shadow:0 4px 12px #00000026}}.pulse-animation{animation:2s ease-in-out infinite pulse-animation}.pulse-animation:hover{animation:none;transform:scale(1.08)}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@media (min-width:992px){.whatsapp-float{bottom:80px}}.sticky-cta-bar .btn:hover{transition:all .2s;transform:translateY(-2px)}.badge{transition:all .3s}.badge:hover{transform:scale(1.05)}