/* ================================================================================================ portal.css — the one place the portal's type, colour and banners are defined. Built 2026-09-04 on Mathew's direction: "banners and fonts and colors as a shared system, except VCG colors are particular but banners and fonts same." WHY IT EXISTS. Before this, ten screens carried ten copies of the same intentions and none of them agreed. Five different banner implementations — `.banner` at three different sizes across the hub and the two VCG screens, `.sparc-su-banner` in the coach tool, `.err` on the board, `.note` on the preview — and Reference carried two of them at once, because it inherited the coach tool's when those screens moved onto it. Four screens of the ten loaded no brand font at all and were quietly running in Arial, the hub among them. HOW IT IS MEANT TO BE USED. Every page links this FIRST, then its own