/* Page Transitions and Enhanced Interactions */

/* Smooth page load */
body {
  opacity: 1;
  transition: opacity 0.4s ease;
}

/* Ripple effect for buttons */
.btn,
.btn-primary,
.btn-secondary,
.project-btn-primary,
.modal-btn-primary {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* Bounce animation for social icons */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.social-link:hover i {
  animation: bounce 0.5s ease;
}

/* Loading skeleton for images */
.image-loading {
  position: relative;
  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-skeleton 1.5s infinite;
}

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

.image-loaded {
  animation: fade-in 0.4s ease;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.image-error {
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-error::after {
  content: '⚠️ Image failed to load';
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--space-4);
}

/* Enhanced card hover transitions */
.project-card,
.project-card-full,
.bento-item {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Smooth focus states */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  transition: outline-offset 0.2s ease;
}

/* Enhanced button states */
.btn:active {
  transform: scale(0.98);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

/* Smooth link underlines */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  .ripple {
    display: none;
  }
}

/* Loading state for project cards */
.project-card.loading,
.project-card-full.loading {
  pointer-events: none;
}

.project-card.loading .project-content,
.project-card-full.loading .project-content-full {
  opacity: 0.5;
}

/* Smooth image transitions */
.project-image,
.project-image-full {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.project-image.loading,
.project-image-full.loading {
  opacity: 0;
}

/* Enhanced hover glow effect */
.project-card:hover,
.bento-item:hover {
  box-shadow: 
    var(--shadow-2xl),
    0 0 30px rgba(99, 102, 241, 0.2);
}

/* Smooth color transitions */
* {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: 0.2s;
  transition-timing-function: ease;
}

/* Override for elements that shouldn't have color transitions */
.project-image,
.project-image-full,
canvas,
video {
  transition-property: transform, opacity;
}

/* Pulse animation for loading states */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Smooth modal transitions */
.project-modal {
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-content {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

/* Enhanced scroll indicator */
.scroll-indicator {
  animation: float 3s ease-in-out infinite;
}

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

/* Smooth header transitions */
header {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

header.scrolled {
  box-shadow: var(--shadow-lg);
}

/* Enhanced form focus states */
.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  transition: all 0.2s ease;
}

/* Smooth tag hover effects */
.tag:hover,
.modal-tag:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

/* Enhanced footer link hovers */
.footer-link:hover {
  color: var(--color-primary);
  transform: translateX(4px);
  transition: all 0.2s ease;
}

/* Smooth stat number animations */
.stat-number {
  transition: transform 0.3s ease;
}

.stat-card:hover .stat-number {
  transform: scale(1.1);
}