/* Animations */
.animate-fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.animate-fade-in:nth-child(2) {
  animation-delay: 0.3s;
}

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll[data-delay="200"] {
  transition-delay: 0.2s;
}

.animate-on-scroll[data-delay="400"] {
  transition-delay: 0.4s;
}

.animate-on-scroll[data-delay="600"] {
  transition-delay: 0.6s;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header scroll animation */
.header.scrolled .nav-toggle span {
  background-color: var(--color-neutral-800);
}

/* Mobile menu animation */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Testimonial fade animation */
.testimonial-slide {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
}

.testimonial-slide.active {
  opacity: 1;
  transform: translateX(0);
}

/* Button hover effects */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.3);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn:hover::after {
  animation: ripple 1s ease-out;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 0.5;
  }
  100% {
    transform: scale(20, 20);
    opacity: 0;
  }
}

/* Stat counter animation */
@keyframes countUp {
  from {
    content: attr(data-count);
  }
  to {
    content: attr(data-count);
  }
}

/* Program card hover effect */
.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(var(--color-primary-rgb), 0.1), rgba(var(--color-primary-rgb), 0));
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
  z-index: 1;
}

.program-card:hover::before {
  opacity: 1;
}