@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.6;
    transform: translateX(-50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) scale(1.1);
  }
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero entrance */
.hero-brand {
  animation: fade-up 0.8s ease forwards;
}

.hero-slogan {
  opacity: 0;
  animation: fade-up 0.8s ease 0.2s forwards;
}

.hero-desc {
  opacity: 0;
  animation: fade-up 0.8s ease 0.4s forwards;
}

.hero .btn-primary {
  opacity: 0;
  animation: fade-up 0.8s ease 0.6s forwards;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

.hair-item.reveal-item {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.hair-item.reveal-item.visible {
  opacity: 1;
  transform: scale(1);
}