@media (max-width: 1180px) {
  :root { --shell: min(100% - 48px, 980px); }
  .head { grid-template-columns: 1fr auto; }
  .review-state { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 72px; }
  .hero-copy { max-width: 850px; }
  .control-orbit { max-width: 930px; }
  .section-head { grid-template-columns: 1fr; gap: 28px; }
  .loop-rail { grid-template-columns: repeat(3, 1fr); }
  .loop-step:nth-child(3) { border-right: 0; }
  .loop-step:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .loop-panel { grid-template-columns: 100px 1fr; }
  .loop-criteria { grid-column: 2; display: grid; grid-template-columns: repeat(3, 1fr); }
  .loop-criteria div { padding-right: 18px; }
  .principle { grid-template-columns: 120px 1fr; }
  .principle > p:last-child { grid-column: 2; }
  .benchmark { grid-template-columns: 1fr; gap: 42px; }
  .benchmark-intro { max-width: 690px; }
  .founder { grid-template-columns: 160px 1fr; }
  .founder-doctrine { grid-column: 2; padding: 30px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  :root { --shell: calc(100vw - 32px); --header: 68px; }
  .brand { gap: 10px; }
  .brand small { margin-left: 8px; font-size: 8px; letter-spacing: .12em; }
  .menu { display: block; justify-self: end; }
  .nav {
    position: fixed;
    inset: var(--header) 0 auto;
    max-height: calc(100dvh - var(--header));
    overflow-y: auto;
    overscroll-behavior: contain;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 16px 26px;
    border-bottom: 1px solid var(--line);
    background: rgba(5,7,10,.98);
  }
  .nav.open { display: flex; }
  .nav a { padding: 16px 8px; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav .action { margin-top: 12px; text-align: center; }
  .hero { padding: 60px 0 30px; }
  .hero h1 { font-size: clamp(49px, 13.2vw, 72px); }
  .facts { grid-template-columns: 1fr; }
  .control-orbit { padding: 18px; }
  .orbit-stage { height: 330px; }
  .orbit-head h2 { font-size: 19px; }
  .hero-foot { flex-wrap: wrap; gap: 8px 10px; }
  .hero-foot i { flex: 0 0 20px; }
  .thesis, .section, .collaborate { padding: 105px 0; }
  .thesis h2 { font-size: clamp(47px, 12vw, 70px); margin-bottom: 48px; }
  .thesis-grid { grid-template-columns: 1fr; gap: 30px; }
  .mission-axioms { grid-template-columns: 1fr; }
  .mission-axioms article { min-height: 180px; }
  .human-purpose { grid-template-columns: 1fr; gap: 36px; padding: 42px 34px; }
  .section-head { margin-bottom: 56px; }
  .section-head h2, .collab-copy h2 { font-size: clamp(43px, 11vw, 64px); }
  .loop-rail { grid-template-columns: repeat(2, 1fr); }
  .loop-step:nth-child(3) { border-right: 1px solid var(--line); }
  .loop-step:nth-child(even) { border-right: 0; }
  .loop-step:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .loop-panel { grid-template-columns: 1fr; gap: 26px; padding: 34px 24px; }
  .loop-index { font-size: 54px; }
  .loop-criteria { grid-column: 1; grid-template-columns: 1fr; }
  .principle { grid-template-columns: 1fr; gap: 28px; margin-top: 60px; }
  .principle > p:last-child { grid-column: 1; }
  .evidence-ledger { grid-template-columns: 1fr; }
  .ledger-lead { min-height: 300px; border-right: 0; border-bottom: 1px solid var(--line); }
  .evidence-ledger dl { grid-template-columns: 1fr; }
  .evidence-ledger dl > div { min-height: 110px; border-right: 0; }
  .evidence-ledger .passed { grid-column: 1; }
  .benchmark { margin-top: 80px; }
  .benchmark-panel { padding: 26px 20px; }
  .benchmark-state { flex-direction: column; }
  .bar-row { grid-template-columns: 120px minmax(0, 1fr) 58px; gap: 14px; }
  .boundary-grid { grid-template-columns: 1fr; margin-top: 80px; }
  .disclosure-standard { grid-template-columns: 1fr; gap: 34px; padding: 34px 28px; }
  .disclosure-standard dl { border-top: 1px solid var(--line); border-left: 0; }
  .disclosure-standard dl > div { padding: 24px 18px; }
  .roadmap li { grid-template-columns: 1fr; gap: 16px; padding-left: 40px; }
  .road-gate { text-align: left; }
  .program-rule { grid-template-columns: 1fr; gap: 10px; padding-left: 40px; }
  .founder { grid-template-columns: 1fr; padding: 32px; }
  .founder-doctrine { grid-column: 1; }
  .partner-grid { grid-template-columns: 1fr; }
  .partner-grid article { min-height: 160px; }
  .contact-state { align-items: stretch; flex-direction: column; }
  .foot { grid-template-columns: 1fr; }
  .foot .copyright { text-align: left; }
}

@media (max-width: 520px) {
  .brand { gap: 8px; }
  .brand b { font-size: 15px; }
  .brand small { margin-left: 6px; font-size: 7px; letter-spacing: .08em; }
  .hero h1 { font-size: clamp(45px, 13.8vw, 62px); }
  .actions { flex-direction: column; }
  .button { width: 100%; }
  .control-orbit { margin-inline: -6px; }
  .orbit-head { flex-direction: column; }
  .orbit-stage { height: 290px; }
  .orbit-corner { display: none; }
  .control-copy { flex-direction: column; gap: 5px; }
  .hero-foot span { font-size: 8px; }
  .thesis, .section, .collaborate { padding: 88px 0; }
  .thesis h2, .section-head h2, .collab-copy h2 { font-size: clamp(40px, 12.4vw, 56px); }
  .loop-step { min-height: 80px; padding: 15px 13px; }
  .loop-panel h3 { font-size: 34px; }
  .ledger-lead { padding: 26px; }
  .evidence-ledger dl > div { padding: 24px; }
  .benchmark-tabs { display: flex; }
  .benchmark-tabs button { flex: 1; }
  .bar-row { grid-template-columns: 1fr 56px; }
  .bar-row .bar-track { grid-column: 1 / -1; grid-row: 2; }
  .boundary-grid > div { min-height: 0; padding: 30px 24px; }
  .not-claims ul { grid-template-columns: 1fr; }
  .disclosure-standard { padding: 30px 24px; }
  .disclosure-standard dl { grid-template-columns: 1fr; }
  .disclosure-standard dl > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .disclosure-standard dl > div:last-child { border-bottom: 0; }
  .mission-axioms article { padding: 24px; }
  .human-purpose { padding: 32px 24px; }
  .human-purpose-copy > p:first-child { font-size: 20px; }
  .founder-mark { width: 130px; height: 130px; }
  .founder { padding: 26px 22px; }
  .contact-state { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}