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

@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(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

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

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

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

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

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

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

@keyframes morphBlob {
  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% 30% 60% 40% / 60% 40% 30% 70%;
  }
}

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

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

@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--glow-blue);
  }
  50% {
    box-shadow: 0 0 40px var(--glow-blue), 0 0 60px var(--glow-cyan);
  }
}

@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes particleFloat {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) rotate(var(--tr));
    opacity: 0;
  }
}

/* ================================
   ANIMATION UTILITIES
================================ */
.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease forwards;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease forwards;
}

.animate-scale-in {
  animation: scaleIn 0.6s ease forwards;
}

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

.animate-float-slow {
  animation: floatSlow 8s ease-in-out infinite;
}

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

.animate-glow {
  animation: glow 3s ease-in-out infinite;
}

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

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

/* ================================
   STAGGER ANIMATIONS
================================ */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s ease forwards;
}

.stagger > *:nth-child(1) { animation-delay: 0.1s; }
.stagger > *:nth-child(2) { animation-delay: 0.2s; }
.stagger > *:nth-child(3) { animation-delay: 0.3s; }
.stagger > *:nth-child(4) { animation-delay: 0.4s; }
.stagger > *:nth-child(5) { animation-delay: 0.5s; }
.stagger > *:nth-child(6) { animation-delay: 0.6s; }
.stagger > *:nth-child(7) { animation-delay: 0.7s; }
.stagger > *:nth-child(8) { animation-delay: 0.8s; }
.stagger > *:nth-child(9) { animation-delay: 0.9s; }
.stagger > *:nth-child(10) { animation-delay: 1s; }

/* ================================
   HOVER EFFECTS
================================ */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.hover-glow:hover {
  box-shadow: 0 0 30px var(--glow-blue);
}

.hover-scale {
  transition: transform var(--transition-base);
}

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

.hover-rotate {
  transition: transform var(--transition-base);
}

.hover-rotate:hover {
  transform: rotate(3deg);
}

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

.blur-load {
  filter: blur(10px);
  transition: filter 0.5s ease;
}

.blur-load.loaded {
  filter: blur(0);
}

/* ================================
   SCROLL REVEAL CLASSES
================================ */
[data-animate] {
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate="fade-up"] {
  transform: translateY(40px);
}

[data-animate="fade-down"] {
  transform: translateY(-40px);
}

[data-animate="fade-left"] {
  transform: translateX(-40px);
}

[data-animate="fade-right"] {
  transform: translateX(40px);
}

[data-animate="scale"] {
  transform: scale(0.9);
}

[data-animate].in-view {
  opacity: 1;
  transform: translate(0) scale(1);
}