/* Edge colours from the film softly spill into the paper around its top and sides. */
.hero-ambient{position:fixed;z-index:-1;left:0;top:0;pointer-events:none;will-change:transform,opacity}
.hero-ambient::before{content:'';position:absolute;inset:-18% -22% 30%;background:
  radial-gradient(ellipse 16% 42% at 18% 20%,var(--ambient-top-left,transparent),transparent 100%),
  radial-gradient(ellipse 27% 40% at 50% 14%,var(--ambient-top,transparent),transparent 100%),
  radial-gradient(ellipse 16% 42% at 82% 20%,var(--ambient-top-right,transparent),transparent 100%),
  radial-gradient(ellipse 15% 36% at 17% 60%,var(--ambient-left,transparent),transparent 100%),
  radial-gradient(ellipse 15% 36% at 83% 60%,var(--ambient-right,transparent),transparent 100%);
  opacity:.86}
html.has-hero-ambient .hero{background:transparent}
@media(max-width:760px){.hero-ambient::before{inset:-12% -14% 32%;opacity:.72}}
@media(prefers-reduced-motion:reduce){.hero-ambient{display:none}}