@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr 1fr;
  }

  .steps-inner {
    gap: 40px;
  }

  .session-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .call-toolbar {
    flex-wrap: wrap;
  }

  .control-button {
    min-width: 49px;
  }

  .next-button {
    margin-left: 0;
  }
}

@media (max-width: 700px) {
  .section-wrap {
    width: min(100% - 36px, 540px);
  }

  .site-header {
    height: 65px;
    padding-inline: 18px;
  }

  .menu-toggle {
    display: inline-grid !important;
  }

  .primary-nav {
    position: absolute;
    top: 64px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: 9px 18px 17px;
    border-bottom: 1px solid var(--line);
    background: #19191bf5;
  }

  .primary-nav.is-open {
    display: flex;
    flex-direction: column;
  }

  .primary-nav>a:not(.button) {
    padding: 12px 4px;
  }

  .primary-nav .button {
    margin-top: 8px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 55px;
    padding-bottom: 69px;
  }

  .hero h1 {
    max-width: 500px;
    font-size: 48px;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-art {
    width: min(100%, 520px);
    justify-self: center;
    margin-top: 14px;
  }

  .scroll-cue {
    bottom: 18px;
  }

  .feature-section {
    padding-block: 63px 68px;
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .section-heading h2,
  .community-section h2 {
    font-size: 35px;
  }

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

  .feature-item {
    min-height: 179px;
    padding: 21px 13px 18px 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-item+.feature-item {
    padding-left: 14px;
  }

  .feature-item:nth-child(2) {
    border-right: 0;
  }

  .feature-item:nth-child(3) {
    padding-left: 0;
  }

  .feature-item:nth-child(4) {
    border-right: 0;
  }

  .feature-icon {
    margin-bottom: 17px;
  }

  .steps-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 66px;
  }

  .steps-list {
    gap: 20px 17px;
  }

  .steps-list li {
    gap: 10px;
  }

  .community-section {
    min-height: 375px;
    padding-block: 66px;
  }

  .community-section>p:not(.eyebrow) {
    font-size: 12px;
  }

  .site-footer {
    padding: 30px 18px 16px;
  }

  .footer-main {
    grid-template-columns: 1fr auto;
    row-gap: 12px;
  }

  .footer-main>p {
    grid-row: 2;
  }

  .footer-main nav {
    grid-column: 1 / -1;
    grid-row: 3;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 12px 19px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 4px;
  }

  .info-page {
    min-height: 70vh;
    padding-block: 64px;
  }

  .info-page h1 {
    font-size: 43px;
  }

  .info-lead {
    margin-bottom: 35px;
    font-size: 14px;
  }

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

  .info-grid section {
    padding: 17px 0;
  }

  .info-grid section+section {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .guideline-list {
    grid-template-columns: 1fr;
  }

  .info-links {
    flex-direction: column;
    gap: 14px;
  }

  .chat-header {
    height: 60px;
    padding-inline: 16px;
  }

  .chat-main {
    width: min(100% - 24px, 580px);
    padding-block: 24px;
  }

  .prep-layout {
    grid-template-columns: 1fr;
    gap: 22px;
    margin: 0 auto;
  }

  .prep-copy {
    position: static;
    padding-top: 5px;
  }

  .prep-copy h1 {
    font-size: 42px;
  }

  .prep-copy>p:not(.eyebrow) {
    max-width: 500px;
    font-size: 12px;
  }

  .prep-copy .eyebrow {
    margin-bottom: 12px;
  }

  .privacy-callout {
    display: none;
  }

  .prep-panel {
    padding: 18px;
  }

  .preview-frame {
    height: 180px;
  }

  .session-topline {
    align-items: flex-start;
  }

  .session-topline h1 {
    font-size: 20px;
  }

  .session-meta {
    flex-direction: column-reverse;
    align-items: flex-end;
    gap: 6px;
  }

  .session-meta .button {
    min-height: 35px;
  }

  .session-grid {
    display: block;
  }

  .remote-frame {
    height: min(58svh, 520px);
    min-height: 310px;
  }

  .local-frame {
    right: 9px;
    bottom: 9px;
    width: 28%;
    min-width: 100px;
  }

  .call-toolbar {
    justify-content: space-around;
    gap: 0;
  }

  .control-button {
    min-width: 43px;
    min-height: 49px;
    font-size: 8px;
  }

  .control-button .icon {
    font-size: 16px;
  }

  .next-button {
    min-height: 40px;
    padding-inline: 12px;
    font-size: 11px;
  }

  .chat-panel {
    height: min(62svh, 450px);
    margin-top: 13px;
  }

  .chat-panel.mobile-collapsed {
    display: none;
  }

  .mobile-chat-close {
    display: inline-grid;
  }

  .session-footnote {
    align-items: flex-start;
    line-height: 1.4;
  }
}

@media (max-width: 390px) {
  .hero h1 {
    font-size: 42px;
  }

  .steps-list {
    grid-template-columns: 1fr;
  }

  .control-button {
    min-width: 38px;
  }

  .safety-control span {
    display: none;
  }

  .next-button {
    padding-inline: 9px;
  }

  .chat-main {
    width: calc(100% - 18px);
  }

  .prep-panel {
    padding: 14px;
  }
}

@media (max-width: 760px) {
  .session-screen.text-only .session-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .session-screen.text-only .chat-panel {
    height: min(66svh, 620px);
    min-height: 360px;
  }

  .session-screen.text-only .message-list {
    padding: 18px 15px;
  }
}

@media (max-width: 390px) {
  .session-screen.text-only .session-topline {
    align-items: center;
  }

  .session-screen.text-only .session-topline h1 {
    font-size: 19px;
  }

  .session-screen.text-only .chat-panel {
    height: min(64svh, 560px);
    min-height: 330px;
    border-radius: 14px;
  }

  .session-screen.text-only .chat-panel-heading {
    min-height: 66px;
    padding-inline: 13px;
  }

  .session-screen.text-only .message {
    max-width: 88%;
  }

  .session-screen.text-only .call-toolbar {
    gap: 3px;
  }

  .session-screen.text-only .control-button {
    min-width: 48px;
  }
}