.back-to-top{background:var(--primary);color:#fff;cursor:pointer;width:40px;height:40px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;z-index:999;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.1rem;transition:opacity .3s,transform .3s,background .2s;display:flex;position:fixed;bottom:5.5rem;right:1.75rem;transform:translateY(10px)}.back-to-top--visible{opacity:1;pointer-events:auto;transform:translateY(0)}.back-to-top:hover{background:var(--primary-dark);transform:translateY(-2px)}@media (max-width:480px){.back-to-top{bottom:5rem;right:1rem}}
.wa-btn{z-index:998;color:#fff;opacity:0;pointer-events:none;background:#25d366;border-radius:50px;align-items:center;gap:.5rem;padding:.7rem 1.1rem .7rem .85rem;font-size:.875rem;font-weight:600;text-decoration:none;transition:opacity .35s,transform .35s,box-shadow .25s;display:flex;position:fixed;bottom:2rem;right:2rem;transform:translateY(16px)scale(.95);box-shadow:0 4px 20px #25d36666}.wa-btn--visible{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}.wa-btn:hover{background:#1ebe5d;transform:translateY(-2px)scale(1.02);box-shadow:0 6px 28px #25d36680}.wa-btn__icon{flex-shrink:0;width:22px;height:22px}@keyframes wa-pulse{0%{box-shadow:0 0 #25d3668c}70%{box-shadow:0 0 0 14px #25d36600}to{box-shadow:0 0 #25d36600}}.wa-btn--pulse{animation:1.8s ease-out infinite wa-pulse}@media (max-width:480px){.wa-btn{border-radius:50%;justify-content:center;width:52px;height:52px;padding:0;bottom:1.25rem;right:1.25rem}.wa-btn__label{display:none}.wa-btn__icon{width:26px;height:26px}}