/* Animations & Transitions */

/* Fade In Up (used for GSAP initial states if JS is disabled) */
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  will-change: opacity, transform;
}

/* Base utility classes for animations */
.transition-all {
  transition: all var(--anim-duration) var(--anim-easing);
}

.transition-slow {
  transition: all var(--anim-duration-slow) var(--anim-easing);
}

/* Modals & Dialogs */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--anim-duration) var(--anim-easing),
              visibility var(--anim-duration) var(--anim-easing);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 40px;
  max-width: 600px;
  width: 90%;
  transform: scale(0.9);
  opacity: 0;
  transition: all var(--anim-duration-slow) var(--anim-easing);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
  opacity: 1;
}

/* Lightbox */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--anim-duration) ease-in-out;
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transform: scale(0.95);
  transition: transform var(--anim-duration) ease-in-out;
}

.lightbox-overlay.active .lightbox-img {
  transform: scale(1);
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--color-off-white);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  pointer-events: none;
}

/* CSS Keyframes */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}