:root {
  --night-boost: rgba(7, 19, 13, 0.94);
}

.site-header,
.site-footer,
.site-footer.footer-night {
  background: var(--night-boost);
}

.page-hero,
.hero,
.card,
.step,
.banner,
.game-surface,
.achievement,
.faq-item,
.legal-card,
.contact-layout > * {
  backdrop-filter: blur(5px);
}

.stack-card:hover,
.btn:hover {
  filter: drop-shadow(0 0 10px rgba(123, 229, 149, 0.18));
}