/* ============================================
   ANIMATIONS.CSS - Modern Animation System
   ============================================ */

/* Keyframe Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

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

@keyframes rotateGradient {
  0% {
    filter: hue-rotate(0deg);
  }
  100% {
    filter: hue-rotate(360deg);
  }
}

/* Scroll Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
}

.fade-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.fade-left {
  animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-right {
  animation: fadeInRight 0.8s ease-out forwards;
}

.scale-in {
  animation: scaleIn 0.6s ease-out forwards;
}

/* Staggered Animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* Hover Effects */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.hover-scale {
  transition: transform 0.3s ease;
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(102, 126, 234, 0.6);
  transform: translateY(-2px);
}

/* Button Animations */
.btn-animated {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-animated::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-animated:hover::before {
  width: 300px;
  height: 300px;
}

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

/* Gradient Animations */
.gradient-animate {
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

.gradient-rotate {
  animation: rotateGradient 10s linear infinite;
}

/* Loading & Shimmer Effects */
.shimmer {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* Float Animation */
.float-animation {
  animation: float 6s ease-in-out infinite;
}

/* Icon Animations */
.icon-bounce {
  transition: transform 0.3s ease;
}

.icon-bounce:hover {
  animation: pulse 0.6s ease;
}

.icon-rotate {
  transition: transform 0.3s ease;
}

.icon-rotate:hover {
  transform: rotate(360deg);
}

/* Card Hover Effects */
.card-hover {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-hover:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

/* Text Animations */
.text-gradient-animate {
  background-size: 200% auto;
  animation: gradientShift 3s linear infinite;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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