.hero-inner {
  grid-template-rows: 1fr auto auto;
  padding-bottom: 2.5rem;
}

.hero-backing {
  grid-column: 1 / -1;
  grid-row: 3;
  justify-self: center;
  width: 100%;
  min-width: 0;
  padding-top: .5rem;
  text-align: center;
}

.hero-backing .backing-label {
  margin: 0 0 1rem;
  font-family: var(--sans);
  font-size: .75rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #969aa2;
}

.backing-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 6vw, 5rem);
  width: 100%;
}

.backing-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: 44px;
  flex-shrink: 1;
  border-radius: 3px;
}

.backing-logo-alliance { width: 196px; }
.backing-logo-nvidia { width: 178px; }

.backing-logo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 40px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: .64;
  transition: opacity .2s ease;
}

.backing-logo:hover img,
.backing-logo:focus-visible img { opacity: 1; }

.backing-logo:focus-visible {
  outline: 2px solid #c4a574;
  outline-offset: 8px;
}

@media (max-width: 860px) {
  .hero-inner { grid-template-rows: auto 1fr auto auto; }
  .hero-backing { grid-row: 4; }
}

@media (max-width: 520px) {
  .backing-logos { gap: 2rem; }
  .backing-logo-alliance { width: 154px; }
  .backing-logo-nvidia { width: 142px; }
  .hero-backing .backing-label {
    font-size: .6875rem;
    margin-bottom: .75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .backing-logo img { transition: none; }
}