/* Fade In Up */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide In Left */
.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.slide-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide In Right */
.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.slide-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Zoom In Up */
.zoom-in-up {
  opacity: 0;
  transform: scale(0.95) translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.zoom-in-up.is-visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* Floating animation for books */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

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

/* Gold shimmer effect */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.shimmer-btn {
  position: relative;
  overflow: hidden;
}

.shimmer-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-20deg) translateX(-150%);
  transition: all 0.5s ease;
  animation: shimmer 3s infinite;
}

/* Background Scroll for dot patterns */
@keyframes bgScroll {
  from { background-position: 0 0; }
  to { background-position: 0 60px; }
}

/* Infinite Scroll (Logo strip) */
@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.scroll-track {
  display: flex;
  width: calc(200%);
  animation: scroll 30s linear infinite;
}

.scroll-track:hover {
  animation-play-state: paused;
}