/* ─── FADE-IN ON SCROLL ───────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children within grids */
.portfolio-grid .fade-in:nth-child(2),
.why-grid       .fade-in:nth-child(2) { transition-delay: 0.1s; }

.portfolio-grid .fade-in:nth-child(3),
.why-grid       .fade-in:nth-child(3) { transition-delay: 0.2s; }

.why-grid .fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ─── REDUCED MOTION ─────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration:   0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration:  0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .fade-in.visible {
    opacity: 1;
    transform: none;
  }
}