.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    to right,
    var(--hero-overlay-0) 0%,
    var(--hero-overlay-0) 32%,
    var(--hero-overlay-mid) 50%,
    transparent 68%
  );
}

.hero-fade-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--hero-fade));
}

#drone-canvas {
  display: block;
  padding-bottom: 5rem;
}

/* ── Scroll reveal ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}