/* STRUCT Animations CSS */

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.6);
  }
}

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

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

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

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    transform: translate3d(0, -15px, 0);
  }
  70% {
    transform: translate3d(0, -7px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

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

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

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.slide-up {
  animation: slideUp 0.4s ease-out forwards;
}

.slide-in-left {
  animation: slideInLeft 0.5s ease-out forwards;
}

.slide-in-right {
  animation: slideInRight 0.5s ease-out forwards;
}

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

.glow {
  animation: glow 3s ease-in-out infinite;
}

.gradient-animation {
  background: linear-gradient(-45deg, var(--color-primary), var(--color-secondary), var(--color-accent), var(--color-primary));
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

.typewriter {
  overflow: hidden;
  border-right: 2px solid var(--color-primary);
  white-space: nowrap;
  animation: typewriter 3s steps(40, end), blink 0.75s step-end infinite;
}

.float {
  animation: float 3s ease-in-out infinite;
}

.spin {
  animation: spin 1s linear infinite;
}

.bounce {
  animation: bounce 2s infinite;
}

.shake {
  animation: shake 0.5s ease-in-out;
}

.loading-animation {
  background: linear-gradient(90deg, var(--color-bg-secondary) 25%, var(--color-bg-tertiary) 50%, var(--color-bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

/* Hover Animations */
.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

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

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

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
  transition: box-shadow var(--transition-normal);
}

.hover-blur:hover {
  filter: blur(1px);
  transition: filter var(--transition-fast);
}

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

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

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease-out;
}

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

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease-out;
}

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

/* Staggered Animations */
.stagger-1 {
  animation-delay: 0.1s;
}

.stagger-2 {
  animation-delay: 0.2s;
}

.stagger-3 {
  animation-delay: 0.3s;
}

.stagger-4 {
  animation-delay: 0.4s;
}

.stagger-5 {
  animation-delay: 0.5s;
}

.stagger-6 {
  animation-delay: 0.6s;
}

/* Hero Section Specific Animations */
.hero-title {
  animation: fadeIn 1s ease-out 0.5s both;
}

.hero-subtitle {
  animation: fadeIn 1s ease-out 0.8s both;
}

.hero-actions {
  animation: fadeIn 1s ease-out 1.1s both;
}

/* Feature Cards Animation */
.feature-card {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* Code Block Animations */
.code-block {
  position: relative;
  overflow: hidden;
}

.code-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.2), transparent);
  transition: left 0.5s ease;
}

.code-block:hover::before {
  left: 100%;
}

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

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

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

/* Navigation Animation */
.navbar {
  transform: translateY(-100%);
  animation: slideDown 0.5s ease-out 0.2s both;
}

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

/* Loading States */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Reduced Motion */
@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;
  }
}

/* Dark/Light Theme Transitions */
@media (prefers-color-scheme: light) {
  :root {
    transition: background-color 0.3s ease, color 0.3s ease;
  }
}

/* Focus Animations */
.btn:focus,
.tab-button:focus,
.demo-tab:focus {
  animation: pulse 0.3s ease-in-out;
}

/* Success/Error States */
.success {
  animation: bounce 0.6s ease-in-out;
}

.error {
  animation: shake 0.5s ease-in-out;
}

/* Particle Animation for Hero Background */
@keyframes particle-float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
    opacity: 0.8;
  }
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(0, 255, 136, 0.3), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(0, 102, 255, 0.3), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255, 102, 0, 0.3), transparent);
  background-size: 100px 100px;
  animation: particle-float 20s ease-in-out infinite;
  pointer-events: none;
}