:root {
  --nf-mx: 0;
  --nf-my: 0;
  --nf-hero-x: 0px;
  --nf-hero-y: 0px;
  --nf-overlay-x: 0px;
  --nf-overlay-y: 0px;
  --nf-particle-x: 0px;
  --nf-particle-y: 0px;
}

.hero-bg-video,
.hero-bright-overlay,
.particle-field,
.glass-card,
.cinema-button,
.hero-cta,
.feature-link-card,
.mechanism-route-card,
.result-metric-card,
.result-metric-link,
.media-report-card,
.poster-frame,
.operation-card,
.roadmap-node,
.timeline-node,
.tag-pill {
  backface-visibility: hidden;
  transform-style: preserve-3d;
}

.hero-bg-video {
  transform: translate3d(var(--nf-hero-x), var(--nf-hero-y), 0) scale(1.025);
  transition: opacity 1.2s ease, filter 0.35s ease;
  will-change: transform, opacity;
}

.hero-bright-overlay {
  transform: translate3d(var(--nf-overlay-x), var(--nf-overlay-y), 0);
  will-change: transform;
}

.particle-field {
  transform: translate3d(var(--nf-particle-x), var(--nf-particle-y), 0);
  will-change: transform;
}

.nf-hovered {
  will-change: transform, opacity;
}

.nf-pressing {
  transform: translate3d(0, -1px, 0) scale(0.985) !important;
}

.nf-ripple-host {
  position: relative;
  overflow: hidden;
}

.nf-click-ripple {
  position: absolute;
  left: var(--nf-ripple-x, 50%);
  top: var(--nf-ripple-y, 50%);
  width: 72px;
  height: 72px;
  border-radius: 9999px;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.28);
  opacity: 0;
  transform: translate3d(-50%, -50%, 0) scale(0.18);
  animation: nf-ripple 560ms ease-out forwards;
}

@keyframes nf-ripple {
  0% {
    opacity: 0.34;
    transform: translate3d(-50%, -50%, 0) scale(0.18);
  }
  100% {
    opacity: 0;
    transform: translate3d(-50%, -50%, 0) scale(1.85);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg-video,
  .hero-bright-overlay,
  .particle-field,
  .nf-hovered,
  .nf-pressing,
  .nf-click-ripple {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}