.official-brand img{display:block;width:176px;height:66px;object-fit:contain;background:#000}.footer-logo img{width:260px;height:125px}.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:20;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;font-weight:900;box-shadow:0 8px 28px rgba(0,0,0,.24)}.whatsapp-float:hover{transform:translateY(-2px)}@media(max-width:520px){.official-brand img{width:126px;height:58px}.footer-logo img{width:220px;height:110px}}