/* Canonical homepage: one fixed layer, with the existing image hero above it. */
body.neural-main{isolation:isolate;background:var(--dark-canvas,#49305e)}
body.neural-main main{background:transparent}
body.neural-main #neural-background{position:fixed;inset:var(--nav-height,84px) 0 0;background:var(--dark-canvas,#49305e);--fiber-opacity:.25}
body.neural-main #neural-background>canvas{opacity:.65}
body.neural-main[data-network=plain] #neural-background>:is(img,canvas){visibility:hidden}
body.neural-main :is(.story-stage,[data-scene],.section-white,.section-lavender,.purpose-beat,.support-community,.community-story,.disciplines,footer){background:transparent}
body.neural-main[data-appearance=light] #neural-background{background:#f9f5fd}
body.neural-main footer{background:rgba(25,18,32,.35)}
body.neural-main.scene-mode [data-scene]{opacity:max(0,calc((var(--scene-opacity,0) - .5)*2))}
/* .home-hero keeps its opaque base, photo strip, overlay, centering and sizing. */

body.neural-main[data-chrome] footer{background:var(--chrome-bg)}