/* ========================================
   KI-Sum AI - Animation Styles
   ======================================== */

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

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-10px) rotate(1deg);
  }
  66% {
    transform: translateY(5px) rotate(-1deg);
  }
}

@keyframes particle-float {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(var(--tx, 0), var(--ty, -100px)) scale(0);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.5);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 245, 255, 0.8);
  }
}

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

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

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

/* Background Animations */
.stars-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  opacity: 0;
  animation: twinkle 10s infinite;
}

/* Neural Network Background */
.neural-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  pointer-events: none;
  z-index: 1;
}

/* Particle Effect */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-color);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  animation: particle-float 3s ease-out forwards;
}

/* Hover Effects */
.hover-lift {
  transition: transform 0.3s ease;
}

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

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

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

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

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

/* Scroll Animations */
.scroll-fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

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

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

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

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

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

.stagger-item.visible {
  animation: fadeInUp 0.6s ease 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; }
.stagger-item:nth-child(7) { animation-delay: 0.7s; }
.stagger-item:nth-child(8) { animation-delay: 0.8s; }

/* Loading States */
.skeleton {
  animation: skeleton-loading 1s linear infinite alternate;
}

@keyframes skeleton-loading {
  0% {
    background-color: rgba(255, 255, 255, 0.05);
  }
  100% {
    background-color: rgba(255, 255, 255, 0.1);
  }
}

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

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

/* Interactive Animations */
.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, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* Page Transitions */
.page-transition-fade {
  animation: fadeIn 0.5s ease;
}

.page-transition-slide {
  animation: slideInRight 0.5s ease;
}

/* Mobile Menu Animations */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* Card Hover States */
.card-hover-glow {
  position: relative;
  overflow: hidden;
}

.card-hover-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(0, 245, 255, 0.1) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card-hover-glow:hover::after {
  opacity: 1;
}

/* Typewriter Effect */
.typewriter {
  overflow: hidden;
  white-space: nowrap;
  margin: 0 auto;
  letter-spacing: 0.15em;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

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

/* Reveal Animation */
.reveal {
  position: relative;
  overflow: hidden;
}

.reveal::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-bg);
  transform: translateX(-100%);
  animation: reveal 1s ease forwards;
}

@keyframes reveal {
  to {
    transform: translateX(100%);
  }
}

/* Floating Animation */
.floating {
  animation: float 6s ease-in-out infinite;
}

/* Glitch Effect */
.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  animation: glitch-1 0.5s infinite;
  color: var(--accent-color);
  z-index: -1;
}

.glitch::after {
  animation: glitch-2 0.5s infinite;
  color: var(--secondary-accent);
  z-index: -2;
}

@keyframes glitch-1 {
  0%, 100% {
    clip-path: inset(0 0 0 0);
    transform: translate(0);
  }
  20% {
    clip-path: inset(20% 0 60% 0);
    transform: translate(-2px, 2px);
  }
  40% {
    clip-path: inset(60% 0 20% 0);
    transform: translate(2px, -2px);
  }
}

@keyframes glitch-2 {
  0%, 100% {
    clip-path: inset(0 0 0 0);
    transform: translate(0);
  }
  20% {
    clip-path: inset(60% 0 20% 0);
    transform: translate(2px, 2px);
  }
  40% {
    clip-path: inset(20% 0 60% 0);
    transform: translate(-2px, -2px);
  }
}

/* Type Writer Styles*/
.typewriter-text {
  border-right: 2px solid var(--accent-color);
  animation: blink-caret 1s step-end infinite;
  min-height: 1.2em;
  display: inline-block;
}

.typewriter-text.completed {
  border-right: none;
  animation: none;
}

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

.feature-card {
  min-height: 280px;
}

.industry-card {
  overflow: hidden;
}

.example-item {
  transition: all 0.3s ease;
  margin: 0.5rem 0;
  opacity: 1;
  transform: translateY(0);
}

.example-item.show {
  opacity: 1;
  transform: translateY(0);
}

.hidden-example {
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}