@media (prefers-reduced-motion: no-preference) {
  :root {
    --zn-motion-fast: 180ms;
    --zn-motion-base: 460ms;
    --zn-motion-soft: cubic-bezier(.2, .8, .2, 1);
  }

  body::before {
    animation: zn-page-glow 12s ease-in-out infinite alternate;
  }

  .zn-main-header,
  .zn-mobile-bar,
  .site-footer,
  .footer-v2 {
    animation: zn-fade-up var(--zn-motion-base) var(--zn-motion-soft) both;
  }

  main > section,
  .hero,
  .section,
  .zn-payment-hero,
  .zn-payment-methods,
  .zn-payment-info,
  .zn-services-hero,
  .zn-services-catalog,
  .tariff-card,
  .news-card,
  .equipment-card,
  .coverage-card,
  .about-card,
  .contact-card {
    animation: zn-fade-up 560ms var(--zn-motion-soft) both;
    animation-delay: var(--zn-delay, 80ms);
  }

  main > section:nth-of-type(2),
  .zn-payment-methods,
  .zn-services-catalog {
    --zn-delay: 140ms;
  }

  main > section:nth-of-type(3),
  .zn-payment-info {
    --zn-delay: 210ms;
  }

  .zn-main-header .main-nav a,
  .zn-service-link,
  .zn-mobile-action,
  .zn-payment-method,
  .payment-card,
  .zn-service-card,
  .btn,
  button,
  .footer-social {
    transition:
      transform var(--zn-motion-fast) ease,
      box-shadow var(--zn-motion-fast) ease,
      border-color var(--zn-motion-fast) ease,
      background var(--zn-motion-fast) ease,
      color var(--zn-motion-fast) ease,
      opacity var(--zn-motion-fast) ease;
  }

  .zn-main-header .main-nav a:hover,
  .zn-service-link:hover,
  .zn-mobile-action:hover,
  .zn-payment-method:hover,
  .payment-card:hover,
  .zn-service-card:hover,
  .footer-social:hover {
    transform: translateY(-2px);
  }

  .btn.primary,
  .zn-order-link,
  .zn-service-order,
  .zn-services-cart-toggle,
  .quick-pay-submit {
    position: relative;
    overflow: hidden;
  }

  .btn.primary::after,
  .zn-order-link::after,
  .zn-service-order::after,
  .zn-services-cart-toggle::after,
  .quick-pay-submit::after {
    content: "";
    position: absolute;
    inset: -120% auto -120% -45%;
    width: 34%;
    transform: rotate(18deg);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .38), transparent);
    opacity: 0;
  }

  .btn.primary:hover::after,
  .zn-order-link:hover::after,
  .zn-service-order:hover::after,
  .zn-services-cart-toggle:hover::after,
  .quick-pay-submit:hover::after {
    animation: zn-shine 820ms ease;
  }

  .brand-full-logo,
  .footer-full-logo,
  .zn-mobile-brand img {
    transition: transform 240ms ease, filter 240ms ease;
  }

  .brand-full-logo:hover,
  .footer-full-logo:hover,
  .zn-mobile-brand:hover img {
    transform: scale(1.025);
  }

  .zn-main-header .main-nav a.active,
  .zn-main-header .main-nav a:hover {
    box-shadow: 0 10px 24px rgba(102, 155, 0, .16);
  }
}

@keyframes zn-fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zn-shine {
  from {
    left: -45%;
    opacity: 0;
  }
  18% {
    opacity: 1;
  }
  to {
    left: 118%;
    opacity: 0;
  }
}

@keyframes zn-page-glow {
  from {
    filter: saturate(1);
  }
  to {
    filter: saturate(1.08);
  }
}

@media (max-width: 760px) and (prefers-reduced-motion: no-preference) {
  main > section,
  .zn-payment-hero,
  .zn-payment-methods,
  .zn-services-hero,
  .zn-services-catalog {
    animation-duration: 380ms;
    animation-delay: 40ms;
  }

  .zn-payment-method:hover,
  .payment-card:hover,
  .zn-service-card:hover {
    transform: none;
  }
}