@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-slow {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

@keyframes float-up {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-100px);
  }
}

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

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes golden-pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
  }
  50% {
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.8);
  }
}

@keyframes appreciation-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.95;
  }
}

.animate-slide-in {
  animation: slide-in 0.5s ease-out forwards;
}

.animate-pulse-slow {
  animation: pulse-slow 3s ease-in-out infinite;
}

.sparkle {
  position: absolute;
  font-size: 2rem;
  pointer-events: none;
  animation: float-up 2s ease-out forwards;
  z-index: 5;
}

.holographic-border {
  position: relative;
  background: linear-gradient(45deg, #FFD700, #9B59B6, #FFD700);
  background-size: 200% 200%;
  animation: shimmer 3s linear infinite;
}

.golden-border {
  border: 3px solid #FFD700;
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.6);
}

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

.appreciation-pulse {
  animation: appreciation-pulse 3s ease-in-out infinite;
}

.future-glow {
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
  animation: golden-pulse 2s ease-in-out infinite;
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradient-shift 5s ease infinite;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar for dark mode */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(156, 163, 175, 0.5);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(156, 163, 175, 0.7);
}

.dark ::-webkit-scrollbar-thumb {
  background: rgba(75, 85, 99, 0.5);
}

.dark ::-webkit-scrollbar-thumb:hover {
  background: rgba(75, 85, 99, 0.7);
}