/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
  /* анимация отыграла — снимаем слой, освобождаем видеопамять */
  will-change: auto;
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal-stagger.is-revealed > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.is-revealed > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.is-revealed > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.is-revealed > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.is-revealed > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.is-revealed > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.is-revealed > *:nth-child(6) { transition-delay: 0.40s; }

.reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.reveal-scale.is-revealed {
  opacity: 1;
  transform: scale(1);
}

/* Counter */
[data-count] { font-variant-numeric: tabular-nums; }

/* ============================================================
   PERFORMANCE — pause infinite animations off-screen
   Применяется JS-классом .is-anim-paused к секциям, когда они
   не видны (IntersectionObserver). Экономит CPU/GPU.
   ============================================================ */
.is-anim-paused .bento__sparkle,
.is-anim-paused .bento__ring,
.is-anim-paused .bento__feature-foot-dot,
.is-anim-paused .bento__foreman-dot,
.is-anim-paused .bento__foreman-pulse,
.is-anim-paused .bento__pin-pulse,
.is-anim-paused .bento__marquee-track,
.is-anim-paused .bento__pay-step.is-active .bento__pay-dot,
.is-anim-paused .hero__photo-card-dot,
.is-anim-paused .badge::before {
  animation-play-state: paused !important;
}

/* GPU-acceleration hints (применяются только на ключевых элементах) */
.hero__photo,
.hero__num,
.hero__title,
.bento__sparkle,
.bento__marquee-track,
.bento__feature-num-digit {
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* CSS containment — изоляция layout для тяжёлых секций */
.section { contain: layout style; }
.bento__card { contain: layout paint style; }
.hero__photo-wrap { contain: paint; }