/**
 * Enhanced Animations and Transitions
 * Smooth, performant animations for elevated UX
 */

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

@keyframes fadeInDown {
  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);
  }
}

/* Scale Animations */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

/* Bounce Animation */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

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

/* Glow Animation */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.6);
  }
}

/* Gradient Animation */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

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

/* Utility Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-scale-in {
  animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-bounce {
  animation: bounce 1s ease infinite;
}

.animate-shake {
  animation: shake 0.5s ease;
}

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

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

.animate-gradient {
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

/* Stagger Delays */
.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; }

/* Hover Effects */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hover-glow {
  transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.hover-scale {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Page Transitions */
.page-enter {
  animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-exit {
  animation: scaleOut 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Loading State Animations */
.loading-dots::after {
  content: '.';
  animation: loadingDots 1.5s steps(4, end) infinite;
}

@keyframes loadingDots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60% { content: '...'; }
  80%, 100% { content: ''; }
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Enhanced Feature Cards */
.feature-card {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.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; }

/* Hero Section Animation */
.hero-title {
  animation: fadeInDown 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-description {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.hero-cta {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

/* Button Press Animation */
.btn-press {
  transition: transform 0.1s ease;
}

.btn-press:active {
  transform: scale(0.96);
}

/* Underline Animation */
.underline-animate {
  position: relative;
}

.underline-animate::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: rgba(59, 130, 246, 1);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.underline-animate:hover::after {
  width: 100%;
}

/* Performance Optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

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

  .animate-fade-in-up,
  .animate-fade-in-down,
  .animate-fade-in-left,
  .animate-fade-in-right,
  .animate-scale-in,
  .animate-bounce,
  .animate-shake,
  .animate-glow,
  .animate-float,
  .animate-gradient {
    animation: none !important;
  }
}