/* ============================================================
   animations.css — Nucleotech Service, LDA
   ============================================================ */

/* --- Keyframes --- */

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

/* --- Reveal on scroll --- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Animation delay utilities --- */

.anim-delay-1 {
  transition-delay: 0.1s;
}

.anim-delay-2 {
  transition-delay: 0.2s;
}

.anim-delay-3 {
  transition-delay: 0.3s;
}

.anim-delay-4 {
  transition-delay: 0.4s;
}

.anim-delay-5 {
  transition-delay: 0.5s;
}

/* --- Utility animation classes --- */

.anim-fade-in-up {
  animation: fadeInUp 0.6s ease both;
}

.anim-fade-in {
  animation: fadeIn 0.6s ease both;
}

.anim-bounce {
  animation: bounce 1.8s ease-in-out infinite;
}

.anim-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.anim-shimmer {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.08) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}