/* Base Animation Classes */
.animate-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

.delay-4 {
  animation-delay: 0.8s;
}

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

/* Fade In Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Slide In Left Animation */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide In Right Animation */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

/* Scale Animation */
@keyframes scale {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Rotate Animation */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Blur In Animation */
@keyframes blurIn {
  from {
    opacity: 0;
    filter: blur(10px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

/* Card Hover Effects */
.post-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  will-change: transform, box-shadow;
}

.post-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

.post-image {
  transition: transform 0.5s ease;
  will-change: transform;
}

/* Button Hover Effects */
.btn {
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
  will-change: transform, box-shadow, background-color;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 14px rgba(0, 0, 0, 0.1);
}

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

/* Social Icons Hover Effect */
.social-links a {
  transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.social-links a:hover {
  transform: translateY(-5px) rotate(10deg);
}

/* Loading Animation */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.loading {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite linear;
}

/* Scroll Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Card Grid Animation */
.blog-posts {
  perspective: 1000px;
}

.blog-posts .post-card {
  opacity: 0;
  transform: rotateY(10deg) translateY(50px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.blog-posts .post-card.animate {
  opacity: 1;
  transform: rotateY(0) translateY(0);
}

/* Animated Underline */
.animated-underline {
  position: relative;
  display: inline-block;
}

.animated-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.animated-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Theme Toggle Animation */
.theme-toggle i {
  transition: transform 0.5s ease, opacity 0.3s ease;
}

.theme-toggle:hover i {
  transform: rotate(180deg);
}

/* Hamburger Menu Animation */
.hamburger span {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:first-child {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:last-child {
  transform: translateY(-8px) rotate(-45deg);
}

/* Parallax Scrolling Effect */
.parallax {
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

/* Tooltip Animation */
.tooltip {
  position: relative;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  z-index: 10;
}

.tooltip:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Modal Animation */
.modal {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

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

.modal-content {
  transform: translateY(30px) scale(0.9);
  transition: transform 0.3s ease;
}

.modal.active .modal-content {
  transform: translateY(0) scale(1);
}

/* Toast Animation */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 15px 20px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transform: translateY(100px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.toast.success {
  border-left: 4px solid var(--success-color);
}

.toast.error {
  border-left: 4px solid var(--error-color);
}

.toast.warning {
  border-left: 4px solid var(--warning-color);
}

.toast.info {
  border-left: 4px solid var(--primary-color);
}

/* Image Zoom Effect */
.zoom-effect {
  overflow: hidden;
}

.zoom-effect img {
  transition: transform 0.5s ease;
}

.zoom-effect:hover img {
  transform: scale(1.1);
}

/* Typing Animation */
.typing {
  overflow: hidden;
  border-right: 2px solid var(--primary-color);
  white-space: nowrap;
  margin: 0 auto;
  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(--primary-color) }
}