/* ===== PAGE TRANSITIONS ===== */
.page-enter {
  animation: pageEnter 0.4s var(--ease-out) both;
}

.page-exit {
  animation: pageExit 0.2s var(--ease-out) both;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pageExit {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-8px);
  }
}

/* ===== STAGGER ANIMATION ===== */
.stagger-item {
  opacity: 0;
  animation: staggerIn 0.4s var(--ease-out) forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }

@keyframes staggerIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== COUNTER ANIMATION ===== */
.animate-counter {
  display: inline-block;
}

/* ===== CARD HOVER GLOW ===== */
.glow-hover {
  position: relative;
}

.glow-hover::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--accent-gradient);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--duration-base);
  filter: blur(8px);
}

.glow-hover:hover::after {
  opacity: 0.15;
}

/* ===== PULSE ===== */
.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ===== SPIN ===== */
.spin {
  animation: spin 1s linear infinite;
}

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

/* ===== FADE IN ===== */
.fade-in {
  animation: fadeIn 0.3s var(--ease-out);
}

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

/* ===== SLIDE UP ===== */
.slide-up {
  animation: slideUp 0.3s var(--ease-out);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

/* ===== RIPPLE EFFECT ===== */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  width: 100px;
  height: 100px;
  margin-top: -50px;
  margin-left: -50px;
  top: 50%;
  left: 50%;
  transform: scale(0);
  opacity: 1;
  transition: transform 0.5s, opacity 0.5s;
}

.ripple:active::after {
  transform: scale(4);
  opacity: 0;
  transition: 0s;
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}