/* Fade In Animation */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

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

/* Staggered Fade In */
.fade-in:nth-child(1) {
  animation-delay: 0.2s;
}

.fade-in:nth-child(2) {
  animation-delay: 0.4s;
}

.fade-in:nth-child(3) {
  animation-delay: 0.6s;
}

/* Slide Up Animation */
.slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 0.8s ease forwards;
}

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

/* Staggered Slide Up */
.slide-up:nth-child(1) {
  animation-delay: 0.2s;
}

.slide-up:nth-child(2) {
  animation-delay: 0.4s;
}

.slide-up:nth-child(3) {
  animation-delay: 0.6s;
}

.slide-up:nth-child(4) {
  animation-delay: 0.8s;
}

/* Slide In Animations */
.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  animation: slideInLeft 0.8s ease forwards;
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  animation: slideInRight 0.8s ease forwards;
}

@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);
  }
}

/* Intersection Observer Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fade-in.is-visible {
  opacity: 1;
}

.animate-slide-up {
  transform: translateY(30px);
}

.animate-slide-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-slide-left {
  transform: translateX(-50px);
}

.animate-slide-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-slide-right {
  transform: translateX(50px);
}

.animate-slide-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Animation Delays */
.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

/* Menu Toggle Animation */
.menu-toggle.active .bar:first-child {
  transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .bar:last-child {
  transform: translateY(-9px) rotate(-45deg);
}