@media (max-width: 760px) {
  html,
  body {
    overflow-x: hidden;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: auto;
    max-width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
    padding: 8px;
    background: transparent;
    pointer-events: none;
  }
  .site-header__left {
    flex: 0 1 auto;
    min-width: 0;
    max-width: calc(100% - 86px);
    gap: 6px;
    padding: 7px;
  }
  .theme-tools {
    flex: 0 0 auto;
    margin-left: auto;
    gap: 4px;
    padding: 7px;
  }
  .site-brand {
    flex: 0 1 auto;
    min-width: 0;
  }
  .site-brand img {
    width: 26px;
    height: 26px;
  }
  .site-brand__primary {
    margin-left: 7px;
  }
  .site-brand__primary,
  .site-brand__secondary {
    display: inline-block;
    overflow: hidden;
    vertical-align: top;
  }
  .site-nav { flex: 0 1 auto; min-width: 0; }
  .site-nav a { min-width: 32px; width: 32px; height: 32px; padding: 0; }
  .icon-button { width: 32px; height: 32px; }
  .site-nav span { display: none; }
  .site-main { padding-top: 82px; }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    margin-top: 0;
    line-height: 1.45;
  }
  .site-footer__meta {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    width: 100%;
  }
  .site-footer__built,
  .site-footer__contact {
    display: flex;
    align-items: center;
    max-width: 100%;
  }
  .site-footer__contact {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .site-footer__sep { display: none; }
}

@media (max-width: 520px) {
  .site-brand__secondary {
    display: none;
  }
}

@media (max-width: 390px) {
  .site-header {
    gap: 6px;
    padding: 7px 6px;
  }
  .site-header__left,
  .theme-tools {
    padding: 6px;
  }
  .site-brand__primary {
    display: none;
  }
  .site-nav a,
  .icon-button {
    width: 30px;
    min-width: 30px;
    height: 30px;
  }
  .site-nav svg,
  .icon-button svg {
    width: 17px;
    height: 17px;
  }
}