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

/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  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);
  }
}

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

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

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

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

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

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translateY(0);
  }
  40%, 43% {
    transform: translateY(-15px);
  }
  70% {
    transform: translateY(-7px);
  }
  90% {
    transform: translateY(-3px);
  }
}

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

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

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

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

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

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

/* ===== ANIMATION CLASSES ===== */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

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

.animate-fade-in-down {
  animation: fadeInDown 0.8s ease-out forwards;
}

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

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

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out forwards;
}

.animate-slide-in-down {
  animation: slideInDown 0.6s ease-out forwards;
}

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

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-reverse {
  animation: floatReverse 4s ease-in-out infinite;
}

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

.animate-bounce {
  animation: bounce 2s infinite;
}

.animate-rotate {
  animation: rotate 2s linear infinite;
}

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

.animate-gradient {
  background: linear-gradient(-45deg, var(--accent-color), var(--accent-dark), var(--secondary-accent), var(--accent-color));
  background-size: 400% 400%;
  animation: gradient 3s ease infinite;
}

/* ===== ANIMATION DELAYS ===== */
.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-500 { animation-delay: 0.5s; }
.animate-delay-700 { animation-delay: 0.7s; }
.animate-delay-1000 { animation-delay: 1s; }

/* ===== HOVER ANIMATIONS ===== */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

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

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

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

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

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(74, 144, 226, 0.3);
}

.hover-border {
  position: relative;
  overflow: hidden;
}

.hover-border::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.2), transparent);
  transition: left var(--transition-slow);
}

.hover-border:hover::before {
  left: 100%;
}

/* ===== LOADING ANIMATIONS ===== */
.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(74, 144, 226, 0.3);
  border-radius: 50%;
  border-top-color: var(--accent-color);
  animation: rotate 1s linear infinite;
}

.loading-dots {
  display: inline-block;
}

.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
  0%, 20% {
    color: rgba(74, 144, 226, 0);
    text-shadow: 0.25em 0 0 rgba(74, 144, 226, 0),
                 0.5em 0 0 rgba(74, 144, 226, 0);
  }
  40% {
    color: var(--accent-color);
    text-shadow: 0.25em 0 0 rgba(74, 144, 226, 0),
                 0.5em 0 0 rgba(74, 144, 226, 0);
  }
  60% {
    text-shadow: 0.25em 0 0 var(--accent-color),
                 0.5em 0 0 rgba(74, 144, 226, 0);
  }
  80%, 100% {
    text-shadow: 0.25em 0 0 var(--accent-color),
                 0.5em 0 0 var(--accent-color);
  }
}

.loading-pulse {
  background-color: var(--accent-light);
  border-radius: var(--radius-md);
  animation: pulse-loading 1.5s ease-in-out infinite;
}

@keyframes pulse-loading {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

/* ===== SCROLL ANIMATIONS ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}

.scroll-reveal.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);
}

/* ===== BUTTON ANIMATIONS ===== */
.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:active::before {
  width: 300px;
  height: 300px;
}

.btn-bounce {
  transition: transform 0.2s ease;
}

.btn-bounce:active {
  transform: scale(0.95);
}

/* ===== NAVIGATION ANIMATIONS ===== */
.nav-slide-in {
  transform: translateY(-100%);
  animation: slideInDown 0.5s ease-out forwards;
}

.nav-fade-in {
  opacity: 0;
  animation: fadeIn 0.5s ease-out forwards;
}

/* ===== HERO ANIMATIONS ===== */
.hero-title-animate {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.2s forwards;
}

.hero-description-animate {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.4s forwards;
}

.hero-button-animate {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.6s forwards;
}

/* ===== CARD ANIMATIONS ===== */
.card-hover {
  transition: all var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

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

/* ===== TEXT ANIMATIONS ===== */
.text-gradient {
  background: linear-gradient(45deg, var(--accent-color), var(--secondary-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-typewriter {
  overflow: hidden;
  border-right: 2px solid var(--accent-color);
  white-space: nowrap;
  margin: 0 auto;
  animation: typewriter 3.5s steps(40, end), blink 0.75s step-end infinite;
}

/* ===== MOBILE ANIMATIONS ===== */
@media (max-width: 767px) {
  /* Reduce animation intensity for mobile */
  .hover-lift:hover {
    transform: translateY(-4px);
  }
  
  .card-hover:hover {
    transform: translateY(-4px) scale(1.01);
  }
  
  /* Faster animations for better mobile performance */
  .animate-fade-in,
  .animate-fade-in-up,
  .animate-fade-in-down,
  .animate-fade-in-left,
  .animate-fade-in-right {
    animation-duration: 0.4s;
  }
}

/* ===== 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;
  }
  
  .scroll-reveal,
  .scroll-reveal-left,
  .scroll-reveal-right {
    opacity: 1;
    transform: none;
  }
  
  .animate-float,
  .animate-float-reverse,
  .animate-pulse,
  .animate-bounce,
  .animate-rotate {
    animation: none;
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.animate-gpu {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: transform;
}

.animate-smooth {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== INTERSECTION OBSERVER ANIMATIONS ===== */
.fade-in-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left-on-scroll {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left-on-scroll.in-view {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right-on-scroll {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right-on-scroll.in-view {
  opacity: 1;
  transform: translateX(0);
}