/* Lightweight animation utilities and performance-focused micro-interactions */

/* Reveal utility (vanilla-friendly + GSAP-friendly). Use alongside existing classes.
   Add class="reveal" to a section or element to get a gentle fade-up on scroll. */
.reveal, .reveal-up, .card {
  transform: translateY(12px);
  opacity: 0;
  transition: transform 0.65s cubic-bezier(.22,.98,.1,.99), opacity 0.65s ease;
  will-change: transform, opacity;
  backface-visibility: hidden;
}

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

.reveal-up { transform: translateY(18px); }

/* Hover-zoom utility for images and cards. Non-invasive; add .hover-zoom or .card-hover */
.hover-zoom, .card-hover {
  transition: transform 300ms cubic-bezier(.2,.8,.2,1), box-shadow 300ms ease;
  transform-origin: center;
  will-change: transform;
}

.hover-zoom:hover:not(.no-hover), .card-hover:hover:not(.no-hover),
.hover-zoom:focus-within:not(.no-hover), .card-hover:focus-within:not(.no-hover) {
  transform: translateY(-6px) scale(1.015);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

/* Image wrapper helper: keep overflow hidden and apply gentle scale on hover */
.img-wrap { overflow: hidden; display: block; }
.img-wrap img {
  transition: transform 450ms cubic-bezier(.2,.8,.2,1);
  transform-origin: center;
  will-change: transform;
}
.img-wrap:hover img, .img-wrap:focus-within img { transform: scale(1.04); }

/* CTA subtle lift */
.btn, .btn-cta { transition: transform 180ms ease, box-shadow 180ms ease; }
.btn:hover, .btn-cta:hover, .btn:focus, .btn-cta:focus { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }

/* Respect user's reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-up, .card, .card-hover, .hover-zoom, .img-wrap img, .btn, .btn-cta {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
    will-change: auto !important;
  }
}

/* Slightly reduce motion durations on small screens */
@media (max-width: 800px) {
  .reveal, .reveal-up, .card { transition-duration: 0.45s; }
  .img-wrap img { transition-duration: 300ms; }
}