/* Keyframe Animations */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

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

@keyframes scroll {
  0% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
  }
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

@keyframes wordCycle {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  5% {
    opacity: 1;
    transform: translateY(0);
  }
  20% {
    opacity: 1;
    transform: translateY(0);
  }
  25% {
    opacity: 0;
    transform: translateY(-20px);
  }
  100% {
    opacity: 0;
    transform: translateY(-20px);
  }
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

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

@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 slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes progressFill {
  from {
    width: 0;
  }
  to {
    width: attr(data-width);
  }
}

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

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

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

@keyframes blink-cursor {
  from,
  to {
    border-color: transparent;
  }
  50% {
    border-color: var(--primary-400);
  }
}

/* Animation Classes */
.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

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

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

.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

.bounce-in {
  animation: bounceIn 0.8s ease-out;
}

.pulse {
  animation: pulse 2s infinite;
}

.shake {
  animation: shake 0.5s;
}

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

.scroll-trigger.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.stagger-item.animated {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s ease-out;
}

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

/* Hover Animations */
.hover-lift {
  transition: var(--transition);
}

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

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

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

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

.hover-glow:hover {
  box-shadow: 0 0 20px var(--primary-300);
}

/* Navigation Animation */
.nav-scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .nav-scrolled {
  background: rgba(15, 23, 42, 0.98);
}

/* Text Animation */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-shimmer {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
}

/* Progress Bar Animation */
.progress-animate {
  animation: progressFill 1.5s ease-in-out forwards;
}

/* Loading Animations */
.loading-dots {
  display: inline-block;
  position: relative;
  width: 80px;
  height: 80px;
}

.loading-dots div {
  position: absolute;
  top: 33px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--primary-500);
  animation-timing-function: cubic-bezier(0, 1, 1, 0);
}

.loading-dots div:nth-child(1) {
  left: 8px;
  animation: loading-dots1 0.6s infinite;
}

.loading-dots div:nth-child(2) {
  left: 8px;
  animation: loading-dots2 0.6s infinite;
}

.loading-dots div:nth-child(3) {
  left: 32px;
  animation: loading-dots2 0.6s infinite;
}

.loading-dots div:nth-child(4) {
  left: 56px;
  animation: loading-dots3 0.6s infinite;
}

@keyframes loading-dots1 {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes loading-dots3 {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(0);
  }
}

@keyframes loading-dots2 {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(24px, 0);
  }
}

/* Gradient Animation */
.animated-gradient {
  background: linear-gradient(
    -45deg,
    var(--primary-500),
    var(--secondary-500),
    var(--primary-300),
    var(--secondary-300)
  );
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

/* Typewriter Effect */
.typing-animation {
  overflow: hidden;
  border-right: 2px solid var(--primary-400);
  white-space: nowrap;
  margin: 0 auto;
  animation: typing 3.5s steps(40, end), blink-cursor 0.75s step-end infinite;
}