/* Scroll Reveal Utilities */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Ambient Motion */
@keyframes ambientFloat {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(1deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.float-anim {
  animation: ambientFloat 8s ease-in-out infinite;
}

@keyframes slowZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

.hero-visual img {
  animation: slowZoom 20s linear infinite alternate;
}

/* Steam/Particle Effects */
.particle-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  animation: rise 10s infinite ease-in;
  opacity: 0;
}

@keyframes rise {
  0% {
    transform: translateY(100vh) scale(1);
    opacity: 0;
  }
  20% {
    opacity: 0.4;
  }
  80% {
    opacity: 0.2;
  }
  100% {
    transform: translateY(-20vh) scale(2);
    opacity: 0;
  }
}