@keyframes fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

.animate-fade-up {
  animation: fade-up 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.35s; }
.animate-delay-4 { animation-delay: 0.5s; }
.animate-delay-5 { animation-delay: 0.65s; }

.hero__content > * {
  animation: fade-up 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero__content .eyebrow { animation-delay: 0.05s; }
.hero__title { animation-delay: 0.15s; }
.hero__lead { animation-delay: 0.25s; }
.hero__actions { animation-delay: 0.35s; }
.hero__stats { animation-delay: 0.45s; }

.hero__visual {
  animation: fade-in 1s ease 0.3s both;
}

.hero__device {
  animation: float 5s ease-in-out infinite;
}

.promo-bar {
  animation: fade-in 0.6s ease both;
}

.section__header {
  animation: fade-up 0.7s ease both;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

.tech-item.reveal.is-visible {
  transition-delay: calc(var(--i, 0) * 0.07s);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal { opacity: 1; transform: none; }
}