.nav-orbit.void-portal {
  width: min(620px, 100%);
  aspect-ratio: 1.45;
  justify-self: center;
  isolation: isolate;
  background: none;
}
.void-portal::before, .void-portal::after { display: none; }
.home-hero .nav-orbit.void-portal { margin-bottom: 0; opacity: 1; }
.void-portal-surface { position: absolute; inset: 0; }
.void-portal-surface.is-ready {
  background: radial-gradient(ellipse at 50% 40%, #159bc51c, transparent 58%), radial-gradient(ellipse at 50% 86%, #35dcff20, transparent 36%);
}
/* Static fallback while loading, or when WebGL is unavailable. */
.void-portal-surface::before {
  content: "";
  position: absolute;
  inset: 8% 2% 25%;
  background: url('../assets/campagne/Acte%203/Horizon.optimized.webp') center / contain no-repeat;
  opacity: .75;
  mask-image: radial-gradient(ellipse, #000 35%, transparent 72%);
}
.void-portal-surface.is-ready::before { display: none; }
.void-portal-surface canvas { display: block; width: 100%; height: 100%; }
.void-portal .star-core {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--horizon-base-y, 86%);
  bottom: auto;
  transform: translateY(-50%);
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
  padding: 3px 10px;
  height: auto;
  min-height: 56px;
  border: 1px solid #64eaff45;
  background: linear-gradient(135deg, #061a2bf5, #06101ff5);
  border-radius: 6px;
  box-shadow: 0 0 18px #23ddff22, inset 0 0 12px #49dfff0d;
  pointer-events: none;
  text-shadow: 0 2px 8px #000, 0 0 20px #070312;
}
.void-portal .star-core span { color: #8be4ed; letter-spacing: 4px; }
.void-portal .star-core strong { color: #e0fbff; font-size: 24px; line-height: 1.2; font-weight: 400; text-shadow: 0 0 18px #50d9eb; }
.void-portal .star-core small { color: #abd4de; font-size: 10px; letter-spacing: 1.6px; }
@media (max-width: 820px) {
  .home-hero .nav-orbit.void-portal {
    position: relative;
    width: min(480px, 100%);
    right: auto;
    bottom: auto;
    justify-self: center;
    opacity: 1;
    margin: 8px 0 0;
  }
}