/* ============================================
   HAIKU NEWS THEME - ANIMATIONS
   ============================================ */

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

/* Fade in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Fade in with slide down */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in with slide up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in with slide left */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Fade in with slide right */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale up animation */
@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* Bounce animation */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Shimmer loading animation */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Subtle glow animation */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(139, 115, 85, 0.2);
  }
  50% {
    box-shadow: 0 0 15px rgba(139, 115, 85, 0.4);
  }
}

/* Slide background animation */
@keyframes slideBackground {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* ============================================
   PAGE LOAD ANIMATIONS
   ============================================ */

/* Stagger animation for cards */
.wp-block-query {
  animation: fadeIn 0.6s ease-out;
}

.haiku-article-card {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

.haiku-article-card:nth-child(1) {
  animation-delay: 0.1s;
}

.haiku-article-card:nth-child(2) {
  animation-delay: 0.2s;
}

.haiku-article-card:nth-child(3) {
  animation-delay: 0.3s;
}

.haiku-article-card:nth-child(4) {
  animation-delay: 0.4s;
}

.haiku-article-card:nth-child(5) {
  animation-delay: 0.5s;
}

.haiku-article-card:nth-child(6) {
  animation-delay: 0.6s;
}

/* Header animation */
.haiku-header {
  animation: fadeInDown 0.5s ease-out;
}

/* Hero section animation */
.haiku-hero-section {
  animation: fadeIn 0.8s ease-out;
}

.haiku-hero-section h1 {
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.haiku-hero-section p {
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.haiku-hero-section .wp-block-buttons {
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

/* Footer animation */
.haiku-footer {
  animation: fadeInUp 0.5s ease-out;
}

/* ============================================
   HOVER & INTERACTIVE ANIMATIONS
   ============================================ */

/* Button hover effects */
button,
.button,
input[type="button"],
input[type="submit"] {
  transition: all var(--transition-base) ease;
  position: relative;
  overflow: hidden;
}

button:hover,
.button:hover,
input[type="button"]:hover,
input[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

button:active,
.button:active,
input[type="button"]:active,
input[type="submit"]:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Link hover effects */
a {
  transition: color var(--transition-base),
              text-decoration var(--transition-base),
              border-color var(--transition-base);
  position: relative;
}

a:hover {
  animation: none; /* Prevent multiple animations */
}

/* Underline animation on hover */
a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

a:hover::after {
  width: 100%;
}

a.no-underline::after {
  display: none;
}

/* ============================================
   CARD & COMPONENT ANIMATIONS
   ============================================ */

/* Article card hover effect */
.haiku-article-card {
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal),
              background-color var(--transition-normal);
}

.haiku-article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.haiku-article-card img {
  transition: transform var(--transition-normal),
              filter var(--transition-normal);
}

.haiku-article-card:hover img {
  transform: scale(1.03);
  filter: brightness(1.1);
}

/* Category tag hover */
.wp-block-post-terms a {
  transition: color var(--transition-base),
              background-color var(--transition-base);
  padding: 2px 8px;
  border-radius: var(--border-radius-xs);
}

.wp-block-post-terms a:hover {
  background-color: rgba(139, 115, 85, 0.1);
  color: var(--color-accent-dark);
}

/* ============================================
   FORM ANIMATIONS
   ============================================ */

/* Input focus animation */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="url"],
input[type="tel"],
input[type="number"],
textarea,
select {
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
  animation: glow 0.3s ease-out;
}

/* Form validation animations */
input:valid {
  border-color: var(--color-success);
}

input:invalid {
  border-color: var(--color-error);
}

/* ============================================
   NAVIGATION ANIMATIONS
   ============================================ */

/* Navigation link hover */
.haiku-nav a {
  position: relative;
  transition: color var(--transition-base);
}

.haiku-nav a::before {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.haiku-nav a:hover::before,
.haiku-nav a.active::before {
  width: 100%;
}

/* Mobile menu animation */
.haiku-nav.active {
  animation: slideBackground 0.3s ease-out;
}

/* Dropdown menu animation */
.wp-block-navigation__submenu-container {
  animation: fadeInDown 0.2s ease-out;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.wp-block-navigation-item:hover .wp-block-navigation__submenu-container {
  opacity: 1;
  pointer-events: auto;
  animation: fadeInDown 0.2s ease-out;
}

/* ============================================
   SEARCH ANIMATION
   ============================================ */

.haiku-search-bar-wrapper {
  animation: slideBackground 0.3s ease-out;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  max-height: 0;
  overflow: hidden;
}

.haiku-search-bar-wrapper.active {
  opacity: 1;
  pointer-events: auto;
  max-height: 200px;
}

/* Search input animation */
.wp-block-search__input {
  transition: border-color var(--transition-base),
              background-color var(--transition-base),
              box-shadow var(--transition-base);
}

.wp-block-search__input:focus {
  animation: glow 0.3s ease-out;
}

/* ============================================
   LOADING STATES
   ============================================ */

/* Skeleton loader animation */
.skeleton-loader {
  background: linear-gradient(
    90deg,
    var(--color-border-light) 25%,
    var(--color-bg-light) 50%,
    var(--color-border-light) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

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

/* Bounce animation for CTA buttons */
.haiku-cta-bounce {
  animation: bounce 1s ease-in-out infinite;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

/* Fade in on scroll - using IntersectionObserver in JS */
.fade-in-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out,
              transform 0.6s ease-out;
}

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

/* Scale up on scroll */
.scale-in-scroll {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease-out,
              transform 0.6s ease-out;
}

.scale-in-scroll.visible {
  opacity: 1;
  transform: scale(1);
}

/* Slide in from left on scroll */
.slide-in-left-scroll {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out,
              transform 0.6s ease-out;
}

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

/* Slide in from right on scroll */
.slide-in-right-scroll {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out,
              transform 0.6s ease-out;
}

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

/* ============================================
   MODAL & OVERLAY ANIMATIONS
   ============================================ */

/* Modal fade in */
.modal {
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal),
              visibility var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

/* Modal content slide up */
.modal-content {
  transform: translateY(30px);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: translateY(0);
}

/* Backdrop fade */
.modal-backdrop {
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal.active .modal-backdrop {
  opacity: 1;
}

/* ============================================
   REDUCED MOTION SUPPORT
   ============================================ */

@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;
  }

  /* Keep essentials visible */
  .haiku-article-card {
    opacity: 1;
    animation: none;
  }

  button:hover,
  .button:hover {
    transform: none;
  }

  .haiku-article-card:hover {
    transform: none;
  }

  a::after {
    width: auto;
    animation: none;
  }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Use GPU acceleration for transforms */
.haiku-article-card,
.haiku-hero-section,
.haiku-cta-bounce {
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Optimize expensive animations */
@media (max-width: 768px) {
  /* Reduce animations on mobile for better performance */
  .haiku-article-card {
    animation: none;
  }

  .haiku-article-card:hover {
    transform: none;
  }

  .haiku-article-card img {
    transform: none;
  }

  /* Keep hover visible on touch devices */
  @media (hover: none) and (pointer: coarse) {
    a:hover::after {
      width: 100%;
    }
  }
}