header .brand{flex:none}
header .brand picture{display:flex;align-items:center}
.brand-logo{display:block;width:84px;height:84px;object-fit:contain}
@media(max-width:900px){.brand-logo{width:72px;height:72px}}
@media(max-width:640px){.brand-logo{width:64px;height:64px}}