/* ============================================
   QUANTUM AI RECEPTIONIST - ANIMATIONS
   Premium Motion Design
   ============================================ */

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

@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(-50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.9; }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.4); }
  50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}

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

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

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

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes slideInUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14% { transform: scale(1.1); }
  28% { transform: scale(1); }
  42% { transform: scale(1.1); }
  70% { transform: scale(1); }
}

/* ============================================
   ANIMATION UTILITY CLASSES
   ============================================ */
.animate-fade-in-up { animation: fadeInUp var(--duration-500) var(--ease-out) forwards; }
.animate-fade-in-down { animation: fadeInDown var(--duration-500) var(--ease-out) forwards; }
.animate-fade-in-left { animation: fadeInLeft var(--duration-500) var(--ease-out) forwards; }
.animate-fade-in-right { animation: fadeInRight var(--duration-500) var(--ease-out) forwards; }
.animate-scale-in { animation: scaleIn var(--duration-300) var(--ease-out) forwards; }
.animate-float { animation: float 4s var(--ease-in-out) infinite; }
.animate-pulse { animation: pulse 2s var(--ease-in-out) infinite; }
.animate-glow-pulse { animation: glowPulse 2s var(--ease-in-out) infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce-in { animation: bounceIn var(--duration-500) var(--ease-out) forwards; }
.animate-heartbeat { animation: heartbeat 1.5s var(--ease-out) infinite; }

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-500) var(--ease-out),
              transform var(--duration-500) var(--ease-out);
}

[data-animate].animate-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-up"] { transform: translateY(30px); }
[data-animate="fade-down"] { transform: translateY(-30px); }
[data-animate="fade-left"] { transform: translateX(-30px); }
[data-animate="fade-right"] { transform: translateX(30px); }
[data-animate="scale"] { transform: scale(0.95); }

/* Stagger Delays */
[data-animate-delay="1"] { transition-delay: 0.1s; }
[data-animate-delay="2"] { transition-delay: 0.2s; }
[data-animate-delay="3"] { transition-delay: 0.3s; }
[data-animate-delay="4"] { transition-delay: 0.4s; }
[data-animate-delay="5"] { transition-delay: 0.5s; }
[data-animate-delay="6"] { transition-delay: 0.6s; }
[data-animate-delay="7"] { transition-delay: 0.7s; }
[data-animate-delay="8"] { transition-delay: 0.8s; }

/* ============================================
   HOVER ANIMATIONS
   ============================================ */
.hover-lift {
  transition: transform var(--duration-300) var(--ease-out),
              box-shadow var(--duration-300) var(--ease-out);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.hover-glow {
  transition: box-shadow var(--duration-300) var(--ease-out);
}

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

.hover-scale {
  transition: transform var(--duration-300) var(--ease-out);
}

.hover-scale:hover {
  transform: scale(1.02);
}

/* ============================================
   BUTTON SHINE EFFECT
   ============================================ */
.btn-shine {
  position: relative;
  overflow: hidden;
}

.btn-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-shine);
  transition: left var(--duration-500) var(--ease-out);
}

.btn-shine:hover::after {
  left: 100%;
}

/* ============================================
   LOADING ANIMATIONS
   ============================================ */
.loading-dots {
  display: inline-flex;
  gap: var(--space-1);
}

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

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loadingDot {
  0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* ============================================
   SKELETON LOADING
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, var(--card-bg) 25%, var(--card-bg-hover) 50%, var(--card-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  [data-animate] {
    opacity: 1;
    transform: none;
  }
}