/* /websites keeps its real-time devices and pinned chapters; the shared header floats over them, the type grows */
html body header.rd-hdr{position:fixed!important;top:0;left:0;right:0}
html body .ch h1{font:400 var(--step-5)/1.05 var(--rd-d)!important;letter-spacing:-.01em!important}
html body .ch h2{font:400 var(--step-4)/1.12 var(--rd-d)!important;letter-spacing:-.01em!important}
html body .sheet h2,html body .why h2{font:400 var(--step-4)/1.12 var(--rd-d)!important;letter-spacing:-.01em!important}
html body .hdr{display:none!important}
@media (max-width:899.98px){html body .ch .b{bottom:calc(84px + env(safe-area-inset-bottom))!important}}
/* 21 Oct 2026: the page's own headline (rd_pages.py) is a two-sentence invitation; set smaller so it clears the screens */
html body .ch h1#h1{font-size:clamp(30px,3.4vw,52px)!important;line-height:1.04!important;max-width:15ch}