/* Animations and Transitions */

/* Keyframe 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);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes progressFill {
  from { width: 0; }
  to { width: var(--progress-width, 100%); }
}

/* Animation Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.animate-fade-in-down {
  animation: fadeInDown 0.8s ease forwards;
  opacity: 0;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease forwards;
  opacity: 0;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease forwards;
  opacity: 0;
}

.animate-scale-in {
  animation: scaleIn 0.6s ease forwards;
  opacity: 0;
}

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

/* Staggered Animation 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; }
.stagger-6 { animation-delay: 0.6s; }

/* Intersection Observer Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s ease;
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s ease;
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s ease;
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Loading States */
.skeleton {
  position: relative;
  overflow: hidden;
  background-color: #E0E0E0;
}

.skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.5),
    transparent
  );
  animation: shimmer 1.5s infinite;
}

/* Progress Bar Animation */
.progress-bar__fill--animated {
  width: 0;
  animation: progressFill 1.5s ease forwards;
  animation-delay: 0.5s;
}

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

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

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

.hover-shrink:hover {
  transform: scale(0.95);
}

/* Link Underline Animation */
.link-underline {
  position: relative;
  padding-bottom: 2px;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width var(--transition-base);
}

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

/* Button Press Effect */
.btn-press {
  transition: transform var(--transition-base);
}

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

/* Metal Sheen Effect */
.metal-sheen {
  position: relative;
  overflow: hidden;
}

.metal-sheen::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%
  );
  transform: rotate(45deg) translateX(-100%);
  transition: transform 0.6s;
}

.metal-sheen:hover::before {
  transform: rotate(45deg) translateX(100%);
}

/* Smooth Scroll Behavior */
.smooth-scroll {
  scroll-behavior: smooth;
}

/* Parallax Effect */
.parallax {
  position: relative;
  transform: translateZ(0);
  will-change: transform;
}

.parallax-slow {
  transition: transform 0.5s linear;
}

.parallax-medium {
  transition: transform 0.3s linear;
}

.parallax-fast {
  transition: transform 0.1s linear;
}

/* Disable animations for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}