/* =========================
   Scroll Reveal Animations
   ========================= */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.6s cubic-bezier(.2,.8,.2,1),
    transform 0.6s cubic-bezier(.2,.8,.2,1);
  will-change: opacity, transform;
}
.reveal-left {
  opacity: 0;
  transform: translateX(-26px);
  transition:
    opacity 0.6s cubic-bezier(.2,.8,.2,1),
    transform 0.6s cubic-bezier(.2,.8,.2,1);
  will-change: opacity, transform;
}

.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(16px);
  transition:
    opacity 0.6s cubic-bezier(.2,.8,.2,1),
    transform 0.6s cubic-bezier(.2,.8,.2,1);
  will-change: opacity, transform;
}

.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Softer motion for media */
.reveal-media {
  opacity: 0;
  transform: scale(0.98);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal-media.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.20s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.35s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.5s; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-media,
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

.site-header {
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  background: rgba(11,15,23,0.55);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}