@media (max-width: 1120px) {
  .landing-hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .session-shell {
    grid-template-columns: 330px minmax(360px, 1fr);
  }
  .inspector {
    display: none;
  }
}

@media (max-width: 760px) {
  body { font-size: 13px; }
  .site-nav {
    position: static;
    padding: 14px 16px;
  }
  .nav-left {
    gap: 8px;
  }
  .home-link {
    min-width: 40px;
    padding: 0 10px;
    font-size: 0;
  }
  .home-link::before {
    margin-right: 0;
    font-size: 14px;
  }
  .site-nav nav {
    display: none;
  }
  .landing-hero {
    min-height: auto;
    max-width: 100vw;
    padding: 42px 16px 34px;
  }
  .hero-copy,
  .hero-stage,
  .relay-map,
  .preview-console {
    width: 100%;
    max-width: calc(100vw - 32px);
  }
  .hero-copy h1,
  .lede {
    max-width: 100%;
  }
  .hero-copy h1 {
    font-size: 42px;
  }
  .relay-map,
  .preview-grid,
  .tunnel-preview,
  .landing-band,
  .usage-grid,
  .usage-tunnel,
  .usage-notes {
    grid-template-columns: 1fr;
  }
  .syntax-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }
  .syntax-toolbar::before {
    order: -1;
  }
  .pulse-line {
    height: 32px;
    width: 2px;
    justify-self: center;
    background: repeating-linear-gradient(180deg, var(--amber) 0 10px, transparent 10px 18px);
  }
  .landing-band {
    margin: 0 16px 40px;
  }
  .usage-shell {
    padding: 42px 16px 40px;
  }
  .usage-hero h1 {
    font-size: 42px;
  }
  .usage-tunnel {
    padding: 18px;
  }
  .viewer {
    height: auto;
    overflow: auto;
  }
  .session-header {
    height: auto;
    grid-template-columns: 1fr;
    align-items: start;
    padding: 12px;
  }
  .header-actions {
    flex-wrap: wrap;
  }
  .session-shell {
    height: auto;
    display: block;
  }
  .command-dock,
  .stream-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .stream-panel {
    height: 70vh;
  }
  .stream-panel.composer-open {
    height: auto;
    min-height: 100vh;
    grid-template-rows: auto minmax(220px, 32vh) minmax(420px, 1fr);
  }
  .composer-head,
  .composer-run-row {
    align-items: stretch;
  }
  .composer-head {
    flex-direction: column;
  }
  .composer-actions {
    justify-content: flex-start;
  }
  .composer-timeout {
    align-items: stretch;
    flex-direction: column;
  }
  .composer-timeout input,
  .composer-run-row button[type="submit"] {
    width: 100%;
  }
  .event {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}