/* ============================================
   DentAlign - Animations & Effects
   ============================================ */

/* ========== KEYFRAMES ========== */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scaleInBounce {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 179, 198, 0.4);
  }
  50% {
    box-shadow: 0 0 0 20px rgba(0, 179, 198, 0);
  }
}

/* Shimmer Effect */
@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* Wave Animation */
@keyframes wave {
  0%, 100% {
    transform: translateY(0);
  }
  25% {
    transform: translateY(-5px);
  }
  75% {
    transform: translateY(5px);
  }
}

/* Morph Animation */
@keyframes morph {
  0%, 100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
  25% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }
  50% {
    border-radius: 50% 60% 30% 60% / 30% 60% 70% 40%;
  }
  75% {
    border-radius: 60% 40% 60% 30% / 70% 30% 50% 60%;
  }
}

/* Typing Effect */
@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  0%, 50% { border-color: transparent; }
  51%, 100% { border-color: var(--color-primary); }
}

/* ========== ANIMATION CLASSES ========== */

.animate-fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-out) forwards;
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-slower) var(--ease-out) forwards;
}

.animate-fade-in-down {
  animation: fadeInDown var(--duration-slower) var(--ease-out) forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft var(--duration-slower) var(--ease-out) forwards;
}

.animate-fade-in-right {
  animation: fadeInRight var(--duration-slower) var(--ease-out) forwards;
}

.animate-scale-in {
  animation: scaleIn var(--duration-slow) var(--ease-out) forwards;
}

.animate-scale-bounce {
  animation: scaleInBounce var(--duration-slower) var(--ease-spring) forwards;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-spin-slow {
  animation: spinSlow 8s linear infinite;
}

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

.animate-pulse-glow {
  animation: pulseGlow 2s var(--ease-in-out) infinite;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-morph {
  animation: morph 8s ease-in-out infinite;
}

/* ========== HOVER EFFECTS ========== */

/* Lift on hover */
.hover-lift {
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

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

/* Scale on hover */
.hover-scale {
  transition: transform var(--duration-normal) var(--ease-out);
}

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

/* Glow on hover */
.hover-glow {
  transition: box-shadow var(--duration-normal) var(--ease-out);
}

.hover-glow:hover {
  box-shadow: var(--shadow-glow-strong);
}

/* Rotate on hover */
.hover-rotate {
  transition: transform var(--duration-normal) var(--ease-out);
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

/* ========== 3D TILT EFFECT ========== */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.tilt-card-inner {
  transition: transform var(--duration-normal) var(--ease-out);
  transform-style: preserve-3d;
}

/* ========== PARALLAX LAYERS ========== */
.parallax-container {
  position: relative;
  overflow: hidden;
}

.parallax-layer {
  position: absolute;
  inset: 0;
  will-change: transform;
}

.parallax-layer-back {
  transform: translateZ(-1px) scale(2);
}

.parallax-layer-front {
  transform: translateZ(0);
}

/* ========== REVEAL ON SCROLL ========== */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reveal variants */
.reveal-left {
  transform: translateX(-60px);
}

.reveal-left.is-revealed {
  transform: translateX(0);
}

.reveal-right {
  transform: translateX(60px);
}

.reveal-right.is-revealed {
  transform: translateX(0);
}

.reveal-scale {
  transform: scale(0.9);
}

.reveal-scale.is-revealed {
  transform: scale(1);
}

/* ========== STAGGER ANIMATIONS ========== */
.stagger-container .reveal:nth-child(1) { transition-delay: 0s; }
.stagger-container .reveal:nth-child(2) { transition-delay: 0.1s; }
.stagger-container .reveal:nth-child(3) { transition-delay: 0.2s; }
.stagger-container .reveal:nth-child(4) { transition-delay: 0.3s; }
.stagger-container .reveal:nth-child(5) { transition-delay: 0.4s; }
.stagger-container .reveal:nth-child(6) { transition-delay: 0.5s; }

/* ========== SHIMMER LOADING ========== */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 0%,
    var(--bg-secondary) 50%,
    var(--bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ========== GRADIENT BORDER ANIMATION ========== */
.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-primary);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.gradient-border:hover::before {
  opacity: 1;
}

/* ========== NUMBER COUNTER ANIMATION ========== */
.counter {
  font-variant-numeric: tabular-nums;
}

/* ========== TEXT REVEAL ========== */
.text-reveal {
  overflow: hidden;
}

.text-reveal span {
  display: inline-block;
  transform: translateY(100%);
  animation: textReveal 0.8s var(--ease-out) forwards;
}

@keyframes textReveal {
  to {
    transform: translateY(0);
  }
}

/* ========== CURSOR FOLLOWER ========== */
.cursor-follower {
  position: fixed;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transition: transform 0.15s var(--ease-out),
              width 0.3s var(--ease-out),
              height 0.3s var(--ease-out);
}

.cursor-follower.is-hovering {
  width: 60px;
  height: 60px;
}