/* ============================================
   SCROLL-TRIGGERED ANIMATIONS
   Controlled by Intersection Observer in main.js
   ============================================ */

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide in from left */
[data-animate="slide-left"] {
  transform: translateX(-32px);
}
[data-animate="slide-left"].visible {
  transform: translateX(0);
}

/* Slide in from right */
[data-animate="slide-right"] {
  transform: translateX(32px);
}
[data-animate="slide-right"].visible {
  transform: translateX(0);
}

/* Scale reveal */
[data-animate="scale"] {
  transform: scale(0.92);
}
[data-animate="scale"].visible {
  transform: scale(1);
}

/* ============================================
   PAGE LOAD ANIMATIONS
   ============================================ */

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================
   HOVER TRANSITIONS
   ============================================ */

.btn {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ============================================
   RESPECT REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  [data-animate],
  [data-animate].visible,
  .btn,
  .btn:hover {
    transition: none;
    transform: none;
    opacity: 1;
  }
}