/* === Scroll Animations === */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }

/* Fade variants */
.animate-fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-fade-left.is-visible,
.animate-fade-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.animate-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* === Keyframe Animations === */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.2);
  }
  50% {
    box-shadow: 0 0 25px rgba(0, 180, 216, 0.5);
  }
}

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

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

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Utility animation classes */
.animate-glow {
  animation: pulse-glow 3s ease-in-out infinite;
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* Loading spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll,
  .animate-fade-left,
  .animate-fade-right,
  .animate-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .animate-glow,
  .animate-float,
  .hero__logo {
    animation: none;
  }

  .spinner {
    animation-duration: 1.5s;
  }
}