remove menu in homepage in desktop; remove logo in all pages but homepage

Site URL: https://liosan.ink

QUESTION 1: How to remove logo from all pages but homepage ?

QUESTION 2: how to remove written menu in homepage in desktop ?

QUESTION 3: how to make overlay menu button at bottom page as well as top?

Thank you ! 

#1. Add to Design > Custom CSS

/* hide logo */
body:not(.homepage) header#header img {
    visibility: hidden !important;
}

#2. Add this CSS

/* hide nav items on desktop */
@media screen and (min-width:992px) {
.header-nav {
    display: none;
}
}

#3. This need a Business Plan or higher. Do/will you use Personal or Business Plan?