/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

/* Fade In Animations - Optimized for Speed */
.fade-in {
  animation: fadeIn 0.4s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.4s ease-out;
}

.fade-in-down {
  animation: fadeInDown 0.4s ease-out;
}

.fade-in-left {
  animation: fadeInLeft 0.4s ease-out;
}

.fade-in-right {
  animation: fadeInRight 0.4s ease-out;
}

/* Keyframes */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 20px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -20px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-20px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(20px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes slideInUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

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

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

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

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

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-5px);
}

.hover-scale {
  transition: transform var(--transition-normal);
}

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

.hover-rotate {
  transition: transform var(--transition-normal);
}

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

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: rotate 0.6s linear infinite;
}

/* Skeleton Loader */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--bg-tertiary) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger Animation */
.stagger-item {
  opacity: 0;
  transform: translateY(20px);
}

.stagger-item.animate {
  animation: fadeInUp 0.6s ease-out forwards;
}

.stagger-item:nth-child(1) {
  animation-delay: 0.1s;
}
.stagger-item:nth-child(2) {
  animation-delay: 0.2s;
}
.stagger-item:nth-child(3) {
  animation-delay: 0.3s;
}
.stagger-item:nth-child(4) {
  animation-delay: 0.4s;
}
.stagger-item:nth-child(5) {
  animation-delay: 0.5s;
}
.stagger-item:nth-child(6) {
  animation-delay: 0.6s;
}

/* Text Animations */
.text-gradient {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-animated {
  background: linear-gradient(
    90deg,
    var(--primary-color) 0%,
    var(--accent-color) 50%,
    var(--primary-color) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

/* Transition Utilities */
.transition-fast {
  transition: all var(--transition-fast);
}

.transition-normal {
  transition: all var(--transition-normal);
}

.transition-slow {
  transition: all var(--transition-slow);
}

/* Page Transitions */
.page-enter {
  animation: fadeInUp 0.6s ease-out;
}

.page-exit {
  animation: fadeOut 0.4s ease-in;
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Modal Animations */
.modal-backdrop {
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  animation: scaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.ripple::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* Ripple Effect - Dynamic Span Element (used by JavaScript) */
.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Dark Mode Ripple Effect */
[data-theme="dark"] .ripple-effect {
  background: rgba(0, 0, 0, 0.3);
}

/* Ripple Effect Span */
/* For dynamically created ripple spans (empty spans used for click effect) */
.ripple-effect:empty {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

/* Ripple animation for text spans inside buttons */
.btn span.ripple-effect:not(:empty) {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    animation: ripple-text-pulse 0.6s ease-out;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes ripple-text-pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.05);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Parallax Effect */
.parallax {
  transition: transform 0.1s ease-out;
}

/* Glowing Effect */
.glow {
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%,
  100% {
    box-shadow: 0 0 5px var(--primary-color), 0 0 10px var(--primary-color);
  }
  50% {
    box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color);
  }
}

/* Typing Effect */
.typing {
  overflow: hidden;
  border-right: 2px solid var(--primary-color);
  white-space: nowrap;
  animation: typing 3.5s steps(40, end), blink 0.75s step-end infinite;
}

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

@keyframes blink {
  from,
  to {
    border-color: transparent;
  }
  50% {
    border-color: var(--primary-color);
  }
}

/* Attention Seekers */
.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-5px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(5px);
  }
}

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

@keyframes wobble {
  0%,
  100% {
    transform: translateX(0);
  }
  15% {
    transform: translateX(-25px) rotate(-5deg);
  }
  30% {
    transform: translateX(20px) rotate(3deg);
  }
  45% {
    transform: translateX(-15px) rotate(-3deg);
  }
  60% {
    transform: translateX(10px) rotate(2deg);
  }
  75% {
    transform: translateX(-5px) rotate(-1deg);
  }
}

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

/* Reduce Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}