@media (max-width: 1080px) {
  .hero__inner,
  .stage__grid,
  .pair,
  .diff__split,
  .diff__shots,
  .close__grid {
    grid-template-columns: 1fr;
  }

  .pair--flip .pair__copy,
  .pair--flip .pair__mock {
    order: initial;
  }

  .hero__scene {
    height: 240px;
  }

  .hero__pillars {
    max-width: 460px;
  }

  .lane {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .diff__title {
    font-size: clamp(2.4rem, 8vw, 4rem);
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-actions .btn--nav-ghost {
    display: none;
  }

  .nav-panel {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    padding: 0.7rem;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 18px 50px rgba(25, 30, 45, 0.12);
  }

  .site-header.is-open .nav-panel {
    background: #ffffff;
    color: var(--color-ink);
  }

  .site-header.is-floating.is-open .nav-panel {
    background: #17181c;
    color: #fff;
  }

  .site-header.is-open .nav-panel {
    display: flex;
  }

  .nav-panel a {
    width: 100%;
    padding: 0.75rem 0.8rem;
  }

  .trust__list {
    gap: 0.85rem 1.4rem;
  }

  .trust__list li {
    font-size: 1.05rem;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-inline: 10px;
  }

  .hero {
    padding-top: 6.2rem;
  }

  .hero__actions,
  .close__actions,
  .stage__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn,
  .close__actions .btn,
  .stage__actions .btn {
    justify-content: center;
  }

  .chip {
    align-self: flex-start;
  }

  .stat-row,
  .diff__notes {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .legal__article {
    padding-top: 7rem;
  }

  .marquee__item {
    font-size: 2.4rem;
  }
}