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

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

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

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

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

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

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.02); opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(60px);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

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

@keyframes lineExpand {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.fade-in { animation: fadeIn 0.8s ease-out; }
.fade-in-up { animation: fadeInUp 0.8s ease-out; }
.fade-in-down { animation: fadeInDown 0.8s ease-out; }
.slide-in-left { animation: slideInLeft 0.8s ease-out; }
.slide-in-right { animation: slideInRight 0.8s ease-out; }
.scale-in { animation: scaleIn 0.6s ease-out; }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.hover-zoom {
  overflow: hidden;
}

.hover-zoom img,
.hover-zoom video {
  transition: transform var(--transition-slow);
}

.hover-zoom:hover img,
.hover-zoom:hover video {
  transform: scale(1.1);
}

/* Modern blur reveal */
.blur-reveal {
  opacity: 0;
  filter: blur(20px);
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.blur-reveal.active {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* Magnetic hover effect */
.magnetic {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Text clip animation */
.text-clip {
  overflow: hidden;
}

.text-clip > * {
  animation: textReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Line animation */
.line-animate {
  transform-origin: left;
  animation: lineExpand 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Smooth scroll snap */
.scroll-snap {
  scroll-snap-type: y mandatory;
}

.scroll-snap > section {
  scroll-snap-align: start;
}

/* Modern card hover */
.card-3d {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
}

.card-3d:hover {
  transform: perspective(1000px) rotateX(2deg) rotateY(-2deg) translateZ(10px);
}

/* Underline animation */
.underline-hover {
  position: relative;
}

.underline-hover::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.underline-hover:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Glow effect on hover */
.glow-hover {
  transition: box-shadow 0.3s ease;
}

.glow-hover:hover {
  box-shadow: 0 0 40px rgba(255, 255, 255, 0.1);
}