@media (max-width: 1080px) {
  .container { width: min(calc(100% - 40px), var(--container)); }
  .section-heading { grid-template-columns: 1fr 2fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .capability-row { grid-template-columns: .15fr 1fr .8fr auto; gap: 1.5rem; }
  .architecture-map { transform: scale(.82); }
  .arch-orbit--three { width: 580px; height: 580px; }
}

@media (max-width: 820px) {
  .site-header, .site-header.is-scrolled { height: 66px; background: rgba(15,15,15,.95); }
  .nav-shell { grid-template-columns: 1fr auto; }
  .menu-toggle { display: grid; gap: 5px; justify-self: end; z-index: 2; }
  .menu-toggle span:not(.sr-only) { display: block; width: 25px; height: 1px; background: var(--color-on-dark); transition: var(--transition-base); }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 66px 0 auto; padding: 2rem 20px; display: grid; gap: 0; background: var(--color-ink); border-top: 1px solid var(--color-border-dark); transform: translateY(-130%); transition: transform var(--transition-base); }
  .site-nav.is-open { transform: none; }
  .site-nav a { padding: 1rem 0; border-bottom: 1px solid var(--color-border-dark); font-size: .85rem; }
  .nav-cta { display: none; }
  .hero h1 { font-size: clamp(3.2rem, 12vw, 6rem); }
  .hero__rail { grid-template-columns: 1fr; }
  .hero__rail span { display: none; }
  .hero__rail span:first-child { display: block; }
  .manifesto__grid, .technology__grid, .difference__grid { grid-template-columns: 1fr; gap: 4rem; }
  .metric-rail { grid-template-columns: repeat(2, 1fr); }
  .metric-rail article:nth-child(2) { border-right: 0; }
  .metric-rail article:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); }
  .section-heading { display: block; }
  .section-heading > p:last-child { max-width: 500px; }
  .capability-row { grid-template-columns: 40px 1fr auto; padding-block: 2rem; }
  .capability-row__number { padding-top: .6rem; }
  .capability-row__title { gap: 1rem; }
  .capability-row p { grid-column: 2 / 4; }
  .solutions__heading { grid-template-columns: 1fr; }
  .solution-panel { grid-template-columns: 1fr; }
  .solution-panel__visual { min-height: 420px; border-right: 0; border-bottom: 1px solid var(--color-border); }
  .architecture-map { min-height: 600px; transform: scale(.78); margin-inline: -15%; }
  .difference__sticky { position: static; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-email { justify-self: start; grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding-block: 5rem; }
  h2 { font-size: clamp(2.7rem, 15vw, 4.2rem); }
  .hero__content { align-items: flex-start; text-align: left; padding-top: 7rem; }
  .hero h1 { font-size: clamp(3rem, 16vw, 4.8rem); }
  .hero__lede { font-size: .95rem; }
  .button-row { align-items: stretch; flex-direction: column; width: 100%; }
  .button-row .btn { width: 100%; }
  .button-row .text-link { align-self: flex-start; }
  .signal-core { width: 9rem; height: 9rem; left: 75%; top: 40%; }
  .metric-rail { grid-template-columns: 1fr; }
  .metric-rail article { min-height: 125px; border-right: 0; border-bottom: 1px solid var(--color-border) !important; }
  .metric-rail article:last-child { border-bottom: 0 !important; }
  .capability-row { grid-template-columns: 28px 1fr auto; gap: 1rem; }
  .capability-row__title .icon-node { display: none; }
  .capability-row h3 { font-size: 2.5rem; }
  .solution-tabs { display: flex; overflow-x: auto; }
  .solution-tabs button { min-width: 160px; }
  .solution-panel__visual { min-height: 300px; }
  .solution-panel__copy { padding: 2rem 1.5rem 3rem; }
  .technology__grid { gap: 1rem; }
  .architecture-map { min-height: 420px; transform: scale(.56); margin-inline: -45%; }
  .difference__list article { padding: 2.5rem 0 2.5rem 3rem; }
  .difference__list article > span { top: 2.5rem; }
  .cta-section { min-height: 620px; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 1.5rem; }
  .footer__bottom nav { gap: 1rem; flex-wrap: wrap; }
  .modal { padding: .75rem; }
  .modal__panel { padding: 3rem 1.5rem 2rem; }
}