/* ==========================================================================
   ANIMATIONS — Keyframes and reusable animation classes
   ========================================================================== */

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes float-reverse {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(15px) rotate(-2deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

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

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes blob-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%; }
}

/* Transform-only blob movement — GPU composited, no per-frame repaint */
@keyframes blob-drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33% { transform: translate3d(4%, -6%, 0) scale(1.08); }
  66% { transform: translate3d(-5%, 4%, 0) scale(0.96); }
}

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

@keyframes ripple {
  0% { transform: scale(0); opacity: 0.6; }
  100% { transform: scale(4); opacity: 0; }
}

@keyframes rocket-launch {
  0% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}

@keyframes star-pop {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes draw-line {
  to { stroke-dashoffset: 0; }
}

/* Utility animation classes */
.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float-reverse 7s ease-in-out infinite;
  animation-delay: -2s;
}

.animate-pulse-glow {
  animation: pulse-glow 4s ease-in-out infinite;
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
}

.animate-blob {
  animation: blob-morph 12s ease-in-out infinite;
}

.animate-spin-slow {
  animation: spin-slow 20s linear infinite;
}

/* Stagger children helper */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(30px);
}

/* Clip path reveal */
.clip-reveal {
  clip-path: inset(100% 0 0 0);
}

.clip-reveal.is-visible {
  clip-path: inset(0 0 0 0);
  transition: clip-path 1s var(--ease-out-expo);
}

/* Text scramble container */
.scramble-text {
  display: inline-block;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-card) 25%,
    var(--color-border) 50%,
    var(--color-bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* Gradient border */
.gradient-border {
  position: relative;
}

.gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

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

.glow-hover:hover {
  box-shadow: 0 0 30px var(--color-accent-glow), var(--shadow-md);
}