/* ===================================
   BIDIRECTIONAL SCROLL ANIMATIONS
   Elements appear from direction and disappear when scrolling past
   =================================== */

/* Slide from Left - Enter & Exit */
.slide-left {
  opacity: 0;
  transform: translateX(-100px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.slide-left.in-view {
  opacity: 1;
  transform: translateX(0);
}

.slide-left.out-view {
  opacity: 0;
  transform: translateX(100px);
}

/* Slide from Right - Enter & Exit */
.slide-right {
  opacity: 0;
  transform: translateX(100px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.slide-right.in-view {
  opacity: 1;
  transform: translateX(0);
}

.slide-right.out-view {
  opacity: 0;
  transform: translateX(-100px);
}

/* Slide from Top - Enter & Exit */
.slide-top {
  opacity: 0;
  transform: translateY(-100px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.slide-top.in-view {
  opacity: 1;
  transform: translateY(0);
}

.slide-top.out-view {
  opacity: 0;
  transform: translateY(100px);
}

/* Slide from Bottom - Enter & Exit */
.slide-bottom {
  opacity: 0;
  transform: translateY(100px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.slide-bottom.in-view {
  opacity: 1;
  transform: translateY(0);
}

.slide-bottom.out-view {
  opacity: 0;
  transform: translateY(-100px);
}

/* Fade with Scale - Enter & Exit */
.fade-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-scale.in-view {
  opacity: 1;
  transform: scale(1);
}

.fade-scale.out-view {
  opacity: 0;
  transform: scale(1.2);
}

/* Rotate Fade - Enter & Exit */
.rotate-fade {
  opacity: 0;
  transform: rotate(-10deg) scale(0.9);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.rotate-fade.in-view {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.rotate-fade.out-view {
  opacity: 0;
  transform: rotate(10deg) scale(0.9);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }