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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

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

@keyframes confetti-fall {
  0% {
    transform: translateY(-10px) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

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

@keyframes bounce-in {
  0% { transform: scale(0); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px var(--color-primary); }
  50% { box-shadow: 0 0 20px var(--color-primary), 0 0 40px var(--color-secondary); }
}

/* ===== Partner Animations ===== */
@keyframes partner-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes partner-gentle-sway {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(4deg); }
  75% { transform: rotate(-4deg); }
}

@keyframes partner-jump-spin {
  0% { transform: rotate(0deg) translateY(0); }
  50% { transform: rotate(180deg) translateY(-24px); }
  100% { transform: rotate(360deg) translateY(0); }
}

@keyframes partner-droop {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(6px) rotate(-3deg); }
}

@keyframes partner-tilt {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-8deg); }
  75% { transform: rotate(8deg); }
}

@keyframes partner-idle-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-4px) rotate(1deg); }
  66% { transform: translateY(-2px) rotate(-1deg); }
}

@keyframes blink {
  0%, 95%, 100% { transform: scaleY(1); }
  97% { transform: scaleY(0.1); }
}

/* ===== Utility Classes ===== */
.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease;
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease;
}

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

.animate-shake {
  animation: shake 0.4s ease;
}

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

/* ===== Confetti Container ===== */
.confetti-piece {
  position: fixed;
  width: 10px;
  height: 10px;
  animation: confetti-fall 3s ease-out forwards;
  z-index: 999;
  pointer-events: none;
  border-radius: 2px;
}

/* ===== Staggered children ===== */
.stagger > * {
  animation: fadeInUp 0.5s ease both;
}

.stagger > *:nth-child(1) { animation-delay: 0s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.2s; }
.stagger > *:nth-child(4) { animation-delay: 0.3s; }
.stagger > *:nth-child(5) { animation-delay: 0.4s; }
.stagger > *:nth-child(6) { animation-delay: 0.5s; }