/* Elements start hidden/offset, GSAP ScrollTrigger animates them to .is-visible.
   If JS fails to load, the fallback below still reveals content after 1s. */
.reveal {
  opacity: 0;
  transform: translateY(40px);
}

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

.no-js .reveal {
  animation: fallback-reveal 0.01s forwards;
  animation-delay: 1s;
}

@keyframes fallback-reveal {
  to {
    opacity: 1;
    transform: none;
  }
}

/* Hero load-in */
.hero-load-item {
  opacity: 0;
  transform: translateY(28px);
}

.hero-line {
  overflow: hidden;
  display: block;
}

.hero-line span {
  display: inline-block;
  transform: translateY(110%);
}

/* Parallax image break */
.parallax-frame {
  overflow: hidden;
}

.parallax-frame img {
  will-change: transform;
}

/* Process section (scroll-pinned) */
.process-pin {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.process-step {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transform: translateY(24px);
  pointer-events: none;
  transition: opacity 0.45s var(--ease-out-quart), transform 0.45s var(--ease-out-quart);
}

.process-step.is-active {
  opacity: 1;
  transform: translateY(0);
}

.process-progress {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.process-progress-item {
  display: flex;
  align-items: center;
  gap: 16px;
  opacity: 0.4;
  transition: opacity var(--dur-med) ease;
}

.process-progress-item.is-active {
  opacity: 1;
}

.process-progress-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  flex-shrink: 0;
  transition: background var(--dur-med) ease, border-color var(--dur-med) ease;
}

.process-progress-item.is-active .process-progress-dot {
  background: var(--gradient-primary);
  border-color: transparent;
}

/* Mobile fallback: pinning a 4-viewport-height section feels heavy-handed on
   small screens, so process-scroll.js swaps to a plain stacked-card reveal. */
.process-mobile-stack.process-pin {
  height: auto;
  position: static;
}

.process-mobile-stack .process-pin-inner {
  display: block;
  height: auto;
}

.process-mobile-stack .process-steps {
  height: auto;
}

.process-mobile-stack .process-step {
  position: static;
  opacity: 1;
  transform: none;
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}

.process-mobile-stack .process-progress {
  margin-top: 32px;
}

/* Reduced motion: strip everything down to simple opacity fades */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    transform: none;
  }

  .hero-line span {
    transform: none;
  }

  #smoke-canvas {
    display: none;
  }

  .hero-3d-canvas {
    display: none;
  }

  .cursor-dot {
    display: none !important;
  }

  .process-pin {
    height: auto;
    position: static;
  }

  .process-step {
    position: static;
    opacity: 1;
    padding: 48px 0;
    border-bottom: 1px solid var(--color-border);
  }
}