/* ========================================
   Scroll Reveal Animation System
   Using Intersection Observer for performance
   ======================================== */

/* Base reveal state (hidden) */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Revealed state */
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Animation variants */
[data-reveal="fade"] {
  transform: none;
}

[data-reveal="fade"].revealed {
  transform: none;
}

[data-reveal="slide-left"] {
  transform: translateX(-30px);
}

[data-reveal="slide-left"].revealed {
  transform: translateX(0);
}

[data-reveal="slide-right"] {
  transform: translateX(30px);
}

[data-reveal="slide-right"].revealed {
  transform: translateX(0);
}

[data-reveal="slide-up"] {
  transform: translateY(30px);
}

[data-reveal="slide-up"].revealed {
  transform: translateY(0);
}

[data-reveal="scale"] {
  transform: scale(0.9);
}

[data-reveal="scale"].revealed {
  transform: scale(1);
}

[data-reveal="rotate"] {
  transform: rotate(-5deg);
}

[data-reveal="rotate"].revealed {
  transform: rotate(0deg);
}

/* Respect motion preferences */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none !important;
    transition: none !important;
  }
}