/* Rendimiento · Fase 2.3 */
.hero,
.hero__media,
.hero__content,
[data-motion],
[data-gallery-2027] .gallery-premium-2027__track,
[data-gallery-2027] .gallery-premium-2027__card,
.timeline-premium__line {
  backface-visibility: hidden;
}

.is-dragging,
.is-animating,
[data-motion].is-visible {
  will-change: transform, opacity;
}

section:not(.hero) {
  content-visibility: auto;
  contain-intrinsic-size: 1px 900px;
}

[data-gallery-2027] {
  contain: layout paint style;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}