/* =====================================================
   INSTAROOMS - Custom Animations
   Smooth Transitions & Micro-Interactions  
   ===================================================== */

/* === FADE ANIMATIONS === */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@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);
  }
}

/* === SLIDE ANIMATIONS === */
@keyframes slideInUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

/* === SCALE ANIMATIONS === */
@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes scaleUp {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.05);
  }
}

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

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

/* === PULSE ANIMATIONS === */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(67, 97, 238, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(67, 97, 238, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(67, 97, 238, 0);
  }
}

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

/* === ROTATE ANIMATIONS === */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-200deg);
  }
  to {
    opacity: 1;
    transform: rotate(0);
  }
}

/* === FLIP ANIMATIONS === */
@keyframes flipInX {
  from {
    transform: perspective(400px) rotateX(90deg);
    opacity: 0;
  }
  to {
    transform: perspective(400px) rotateX(0deg);
    opacity: 1;
  }
}

@keyframes flipInY {
  from {
    transform: perspective(400px) rotateY(90deg);
    opacity: 0;
  }
  to {
    transform: perspective(400px) rotateY(0deg);
    opacity: 1;
  }
}

/* === SHIMMER EFFECT === */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.shimmer {
  background: linear-gradient(
    90deg,
    var(--gray-200) 0%,
    var(--gray-100) 50%,
    var(--gray-200) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* === GRADIENT ANIMATION === */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

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

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

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

/* === RIPPLE EFFECT === */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  pointer-events: none;
}

.ripple-effect:active::after {
  animation: ripple 0.6s ease-out;
}

/* === TYPING EFFECT === */
@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blinkCursor {
  50% {
    border-color: transparent;
  }
}

.typing-effect {
  overflow: hidden;
  border-right: 2px solid var(--primary);
  white-space: nowrap;
  animation: typing 3s steps(40) 1s 1 normal both,
             blinkCursor 0.75s step-end infinite;
}

/* === ANIMATION UTILITY CLASSES === */
.animate-fadeIn {
  animation: fadeIn 0.5s ease-in-out;
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInDown {
  animation: fadeInDown 0.6s ease-out;
}

.animate-fadeInLeft {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fadeInRight {
  animation: fadeInRight 0.6s ease-out;
}

.animate-zoomIn {
  animation: zoomIn 0.5s ease-out;
}

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

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

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

.animate-rotate {
  animation: rotate 2s linear infinite;
}

/* === DELAY CLASSES === */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* === DURATION CLASSES === */
.duration-fast { animation-duration: 0.3s; }
.duration-normal { animation-duration: 0.5s; }
.duration-slow { animation-duration: 1s; }

/* === CARD FLIP EFFECT === */
.flip-card {
  perspective: 1000px;
  width: 100%;
  height: 300px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
}

.flip-card-back {
  transform: rotateY(180deg);
}

/* === SCROLL PROGRESS BAR === */
.scroll-progress {
  position: fixed;
  top: 70px;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-primary);
  z-index: var(--z-sticky);
  transition: width 0.1s ease-out;
}

/* === HOVER EFFECTS === */
.hover-lift {
  transition: var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

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

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

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

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(67, 97, 238, 0.4);
}

.hover-underline {
  position: relative;
}

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

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

/* === IMAGE ZOOM ON HOVER === */
.image-zoom {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

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

.image-zoom:hover img {
  transform: scale(1.15);
}

/* === STAGGERED ANIMATION === */
.stagger-item {
  animation: fadeInUp 0.6s ease-out backwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

/* === PAGE TRANSITION === */
.page-transition {
  animation: fadeInUp 0.5s ease-out;
}

/* === LOADING DOTS === */
.loading-dots {
  display: inline-flex;
  gap: var(--spacing-2);
}

.loading-dots span {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: bounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

/* === SMOOTH SCROLL BAR === */
html {
  scroll-behavior: smooth;
}

/* === PARALLAX EFFECT === */
.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

@media (max-width: 768px) {
  .parallax {
    background-attachment: scroll;
  }
}

/* === CONFETTI ANIMATION === */
@keyframes confetti-fall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(360deg);
    opacity: 0;
  }
}

.confetti {
  position: fixed;
  width: 10px;
  height: 10px;
  background: var(--primary);
  animation: confetti-fall 3s linear infinite;
}

/* === NUMBER COUNTER ANIMATION === */
.counter {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-3xl);
}

/* === BUTTON LOADING STATE === */
.btn.loading {
  position: relative;
  pointer-events: none;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: var(--white);
  border-radius: 50%;
  animation: rotate 0.6s linear infinite;
}

/* === SKELETON PULSE === */
@keyframes skeleton-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

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

/* === HEART BEAT === */
@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  10%, 30% {
    transform: scale(0.9);
  }
  20%, 40%, 60%, 80% {
    transform: scale(1.1);
  }
  50%, 70% {
    transform: scale(1.05);
  }
}

.heartbeat {
  animation: heartbeat 1.3s ease-in-out infinite;
}

/* === NOTIFICATION BADGE PULSE === */
@keyframes badge-pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.notification-badge {
  animation: badge-pulse 2s ease-in-out infinite;
}