/* CSS Animations & Keyframes */

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Pulse Animation */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Slide Animations */
@keyframes slideInUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

/* Rotation Animation */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Scale Animation */
@keyframes scaleIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Bounce Animation */
@keyframes bounce {
  0%,
  20%,
  53%,
  80%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  40%,
  43% {
    transform: translate3d(0, -30px, 0);
  }
  70% {
    transform: translate3d(0, -15px, 0);
  }
  90% {
    transform: translate3d(0, -4px, 0);
  }
}

/* Gradient Animation */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Loading Spinner */
@keyframes spinner {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Apply Animations to Elements */
.fade-in {
  animation: fadeIn 1s ease-out forwards;
  opacity: 0;
}

.fade-in-delay {
  animation: fadeIn 1s ease-out 0.3s forwards;
  opacity: 0;
}

.fade-in-delay-2 {
  animation: fadeIn 1s ease-out 0.6s forwards;
  opacity: 0;
}

.slide-in-up {
  animation: slideInUp 0.8s ease-out forwards;
}

.slide-in-down {
  animation: slideInDown 0.8s ease-out forwards;
}

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

.bounce-in {
  animation: bounce 1s ease-out forwards;
}

/* Hover Animations */
.hover-lift {
  transition: all 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
  transform: scale(1.02);
}

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

.hover-rotate:hover {
  transform: rotate(5deg);
}

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

.btn-animate::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.btn-animate:hover::before {
  left: 100%;
}

/* Text Animations */
.text-gradient {
  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 3s ease infinite;
}

/* Loading States */
.loading {
  position: relative;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #667eea;
  border-radius: 50%;
  animation: spinner 1s linear infinite;
}

/* Mobile Menu Animations */
.mobile-menu {
  transition: all 0.3s ease;
  transform: translateX(-100%);
  opacity: 0;
}

.mobile-menu.active {
  transform: translateX(0);
  opacity: 1;
}

.hamburger span {
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Scroll Animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease;
}

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

/* Parallax Effect */
.parallax {
  transform: translateZ(0);
  will-change: transform;
}

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

/* Focus Animations */
.focus-ring {
  transition: all 0.3s ease;
}

.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  transform: scale(1.02);
}

/* Ripple Effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.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;
}

.ripple:active::before {
  width: 300px;
  height: 300px;
}

/* Stagger Animations */
.stagger-item {
  opacity: 0;
  transform: translateY(30px);
}

.stagger-item:nth-child(1) {
  animation: fadeIn 0.6s ease-out 0.1s forwards;
}
.stagger-item:nth-child(2) {
  animation: fadeIn 0.6s ease-out 0.2s forwards;
}
.stagger-item:nth-child(3) {
  animation: fadeIn 0.6s ease-out 0.3s forwards;
}
.stagger-item:nth-child(4) {
  animation: fadeIn 0.6s ease-out 0.4s forwards;
}
.stagger-item:nth-child(5) {
  animation: fadeIn 0.6s ease-out 0.5s forwards;
}

/* Performance Optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

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