Removing logo and navigation bar from one page

Site URL: https://www.neverlandmovement.com

hi, I'm trying to make a landing page and remove my logo and navigation bar but am unable to figure it out. any help would be appreciated thank you

Add to Design > Custom CSS

/* remove logo - nav */
body#collection-5f014ea2e831d94de9830307 {
header.Header.Header--top {
    display: none !important;
}
.Mobile-bar.Mobile-bar--top {
    display: none;
}
}