/* ===== ADVANCED ANIMATIONS & EFFECTS ===== */

/* Intersection Observer Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.animate-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-left.animate {
  opacity: 1;
  transform: translateX(0);
}

.animate-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-right.animate {
  opacity: 1;
  transform: translateX(0);
}

.animate-fade-in {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

.animate-fade-in.animate {
  opacity: 1;
}

.animate-scale-up {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Staggered Animation Delays */
.animate-on-scroll:nth-child(1) {
  transition-delay: 0ms;
}
.animate-on-scroll:nth-child(2) {
  transition-delay: 100ms;
}
.animate-on-scroll:nth-child(3) {
  transition-delay: 200ms;
}
.animate-on-scroll:nth-child(4) {
  transition-delay: 300ms;
}
.animate-on-scroll:nth-child(5) {
  transition-delay: 400ms;
}
.animate-on-scroll:nth-child(6) {
  transition-delay: 500ms;
}
.animate-on-scroll:nth-child(7) {
  transition-delay: 600ms;
}
.animate-on-scroll:nth-child(8) {
  transition-delay: 700ms;
}
.animate-on-scroll:nth-child(9) {
  transition-delay: 800ms;
}

/* Advanced Hero Animations */
@keyframes heroTextReveal {
  0% {
    opacity: 0;
    transform: translateY(100px) scale(0.8);
    filter: blur(5px);
  }
  50% {
    opacity: 0.5;
    transform: translateY(50px) scale(0.9);
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes particleFloat {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
    opacity: 0.3;
  }
  25% {
    transform: translateY(-20px) translateX(10px);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-10px) translateX(-15px);
    opacity: 1;
  }
  75% {
    transform: translateY(-30px) translateX(5px);
    opacity: 0.5;
  }
}

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

@keyframes glowPulse {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(102, 126, 234, 0.6);
  }
}

@keyframes textGlow {
  0%,
  100% {
    text-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
  }
  50% {
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.8);
  }
}

@keyframes rotateX {
  0% {
    transform: perspective(1000px) rotateX(0deg);
  }
  50% {
    transform: perspective(1000px) rotateX(10deg);
  }
  100% {
    transform: perspective(1000px) rotateX(0deg);
  }
}

@keyframes slideInFromBottom {
  0% {
    opacity: 0;
    transform: translateY(100px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInFromLeft {
  0% {
    opacity: 0;
    transform: translateX(-100px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromRight {
  0% {
    opacity: 0;
    transform: translateX(100px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes flipIn {
  0% {
    opacity: 0;
    transform: rotateY(-90deg);
  }
  100% {
    opacity: 1;
    transform: rotateY(0deg);
  }
}

@keyframes elasticIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  40% {
    transform: scale(1.1);
  }
  60% {
    transform: scale(0.9);
  }
  80% {
    transform: scale(1.03);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes zoomInRotate {
  0% {
    opacity: 0;
    transform: scale(0.5) rotate(-180deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes waveEffect {
  0%,
  100% {
    clip-path: polygon(
      0 45%,
      15% 44%,
      32% 50%,
      54% 60%,
      70% 61%,
      84% 59%,
      100% 52%,
      100% 100%,
      0% 100%
    );
  }
  50% {
    clip-path: polygon(
      0 60%,
      16% 65%,
      34% 66%,
      51% 62%,
      67% 50%,
      84% 45%,
      100% 46%,
      100% 100%,
      0% 100%
    );
  }
}

/* Morphing Background Shapes */
@keyframes morphShape1 {
  0%,
  100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
  50% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }
}

@keyframes morphShape2 {
  0%,
  100% {
    border-radius: 40% 60% 60% 40% / 60% 30% 70% 40%;
  }
  50% {
    border-radius: 60% 40% 30% 70% / 40% 60% 50% 60%;
  }
}

/* Advanced Hover Effects */
.card-3d-hover {
  transition: all 0.3s ease;
  transform-style: preserve-3d;
}

.card-3d-hover:hover {
  transform: perspective(1000px) rotateX(5deg) rotateY(5deg) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.magnetic-hover {
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.magnetic-hover:hover {
  transform: scale(1.05) translateZ(0);
}

.glow-on-hover {
  transition: all 0.3s ease;
}

.glow-on-hover:hover {
  box-shadow: 0 0 30px rgba(102, 126, 234, 0.6);
  transform: translateY(-5px);
}

.tilt-on-hover {
  transition: all 0.3s ease;
  transform-style: preserve-3d;
}

.tilt-on-hover:hover {
  transform: perspective(1000px) rotateX(10deg) rotateY(-10deg);
}

/* Text Animation Effects */
.text-reveal {
  overflow: hidden;
  position: relative;
}

.text-reveal::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.8),
    transparent
  );
  animation: textRevealSweep 2s ease-in-out;
}

@keyframes textRevealSweep {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.typewriter {
  overflow: hidden;
  border-right: 3px solid;
  white-space: nowrap;
  animation: typewriter 3s steps(40, end), blinkCursor 1s step-end infinite;
}

@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blinkCursor {
  from,
  to {
    border-color: transparent;
  }
  50% {
    border-color: currentColor;
  }
}

.text-gradient-animate {
  background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
  background-size: 400% 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
}

.text-shadow-pop {
  transition: all 0.3s ease;
}

.text-shadow-pop:hover {
  text-shadow: 0 0 20px rgba(102, 126, 234, 0.8);
  transform: scale(1.05);
}

/* Loading Animations */
.loading-dots::after {
  content: "";
  animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
  0%,
  20% {
    content: "";
  }
  40% {
    content: ".";
  }
  60% {
    content: "..";
  }
  80%,
  100% {
    content: "...";
  }
}

.skeleton-loading {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeletonLoading 1.5s infinite;
}

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

/* Particle System */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: particleFloat 6s linear infinite;
}

.particle:nth-child(odd) {
  animation-duration: 8s;
  animation-delay: -2s;
}

.particle:nth-child(even) {
  animation-duration: 10s;
  animation-delay: -4s;
}

/* Interactive Button Effects */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

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

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

.btn-shine::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transform: rotate(45deg) translate(-200%, -200%);
  transition: transform 0.6s;
}

.btn-shine:hover::after {
  transform: rotate(45deg) translate(200%, 200%);
}

/* Advanced Progress Indicators */
.progress-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: conic-gradient(
    var(--primary-color) 0deg,
    var(--border-color) 0deg
  );
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: progressCircle 2s ease-out;
}

.progress-circle::before {
  content: "";
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-card);
  position: absolute;
}

.progress-circle .progress-text {
  position: relative;
  z-index: 1;
  font-weight: 600;
  color: var(--primary-color);
}

@keyframes progressCircle {
  from {
    background: conic-gradient(
      var(--primary-color) 0deg,
      var(--border-color) 0deg
    );
  }
  to {
    background: conic-gradient(
      var(--primary-color) 270deg,
      var(--border-color) 270deg
    );
  }
}

/* Morphing Icon Animations */
.morphing-icon {
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.morphing-icon:hover {
  transform: rotate(180deg) scale(1.2);
}

/* Advanced Grid Animations */
.grid-item-enter {
  animation: gridItemEnter 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes gridItemEnter {
  0% {
    opacity: 0;
    transform: scale(0.5) rotateY(-90deg);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1) rotateY(-45deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotateY(0deg);
  }
}

/* Parallax Effect Classes */
.parallax-slow {
  transform: translateZ(0);
  transition: transform 0.1s ease-out;
}

.parallax-medium {
  transform: translateZ(0);
  transition: transform 0.1s ease-out;
}

.parallax-fast {
  transform: translateZ(0);
  transition: transform 0.1s ease-out;
}

/* Advanced Modal Animations */
@keyframes modalBounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3) translate(-50%, -50%);
  }
  50% {
    opacity: 1;
    transform: scale(1.05) translate(-50%, -50%);
  }
  70% {
    transform: scale(0.9) translate(-50%, -50%);
  }
  100% {
    opacity: 1;
    transform: scale(1) translate(-50%, -50%);
  }
}

@keyframes modalSlideInFromTop {
  0% {
    opacity: 0;
    transform: translateY(-100vh);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modalFadeInScale {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Theme Transition Animations */
.theme-transition {
  transition: background-color 0.5s ease, color 0.5s ease,
    border-color 0.5s ease;
}

.theme-transition * {
  transition: background-color 0.5s ease, color 0.5s ease,
    border-color 0.5s ease;
}

/* Advanced CSS Shapes */
.blob-shape {
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  animation: morphShape1 8s ease-in-out infinite;
}

.blob-shape-2 {
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: morphShape2 10s ease-in-out infinite;
}

/* Custom Scroll Animations */
.scroll-reveal-up {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}

.scroll-reveal-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s ease;
}

.scroll-reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s ease;
}

.scroll-reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s ease;
}

.scroll-reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Interactive Elements */
.interactive-element {
  cursor: pointer;
  transition: all 0.3s ease;
}

.interactive-element:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.interactive-element:active {
  transform: translateY(0);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

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

  .particle,
  .floating-item,
  .shape {
    animation: none;
  }

  .typewriter {
    animation: none;
    border-right: none;
    white-space: normal;
    width: auto;
  }
}

/* Fade In Up Animation */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
}

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

/* ===== FLOATING ITEMS ANIMATION ===== */
@keyframes floatAround {
  0%, 100% {
    transform: translateY(0px) translateX(0px) rotate(0deg);
  }
  25% {
    transform: translateY(-15px) translateX(10px) rotate(5deg);
  }
  50% {
    transform: translateY(-10px) translateX(-8px) rotate(-3deg);
  }
  75% {
    transform: translateY(-20px) translateX(5px) rotate(2deg);
  }
}

@keyframes floatGently {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-10px) translateX(-50%);
  }
  60% {
    transform: translateY(-5px) translateX(-50%);
  }
}