/* Shared scroll reveal — light motion for marketing pages (not platform.html) */
:root {
  --fx-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fx-duration: 0.65s;
}

.fx-progress {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  z-index: 90;
  pointer-events: none;
  background: transparent;
}

.fx-progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #ea580c, #0f766e);
  transition: width 0.05s linear;
}

.fx-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity var(--fx-duration) var(--fx-ease),
    transform var(--fx-duration) var(--fx-ease);
  will-change: opacity, transform;
}

.fx-reveal.fx-in {
  opacity: 1;
  transform: none;
}

.fx-reveal-left {
  opacity: 0;
  transform: translateX(-18px);
  transition:
    opacity var(--fx-duration) var(--fx-ease),
    transform var(--fx-duration) var(--fx-ease);
}

.fx-reveal-left.fx-in {
  opacity: 1;
  transform: none;
}

.fx-reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity var(--fx-duration) var(--fx-ease),
    transform var(--fx-duration) var(--fx-ease);
}

.fx-reveal-scale.fx-in {
  opacity: 1;
  transform: none;
}

.fx-d1 { transition-delay: 0.06s; }
.fx-d2 { transition-delay: 0.12s; }
.fx-d3 { transition-delay: 0.18s; }
.fx-d4 { transition-delay: 0.24s; }
.fx-d5 { transition-delay: 0.3s; }
.fx-d6 { transition-delay: 0.36s; }

/* Soft section entrance (optional wrapper) */
.fx-section-tone {
  transition: background-color 0.5s var(--fx-ease);
}

@media (prefers-reduced-motion: reduce) {
  .fx-reveal,
  .fx-reveal-left,
  .fx-reveal-scale {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .fx-progress {
    display: none;
  }
}