/* Base animation classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.rotate-in {
  opacity: 0;
  transform: rotate(-10deg) scale(0.8);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* New animation classes */
.bounce-in {
  opacity: 0;
  transform: scale(0.3);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.flip-in {
  opacity: 0;
  transform: perspective(400px) rotateY(90deg);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Active state for all animations */
.fade-in.active,
.slide-in-left.active,
.slide-in-right.active,
.scale-in.active,
.rotate-in.active,
.bounce-in.active,
.flip-in.active {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1) rotate(0deg);
}

/* Button ripple effect */
.btn {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(2);
    opacity: 0;
  }
}

/* Navbar scroll effect */
.navbar {
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
}

.navbar-scrolled {
  background-color: rgba(255, 255, 255, 0.95) !important;
  box-shadow: var(--shadow-md);
}

/* Text animation */
.text-animation-wrapper {
  display: inline-block;
}

.animated-letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: letterAppear 0.5s forwards;
}

@keyframes letterAppear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* hover animations */
.card, .facility-item, .team-member, .achievement-item {
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              box-shadow 0.4s ease;
}

.social-icon:hover {
  animation: pulse 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* Form input animations */
.form-group {
  position: relative;
}

.form-group.focused label,
.form-group.filled label {
  transform: translateY(-20px) scale(0.8);
  color: var(--primary-color);
}

.form-group label {
  position: absolute;
  left: 10px;
  top: 10px;
  transition: transform 0.3s ease, color 0.3s ease;
  pointer-events: none;
  transform-origin: left top;
}