@charset "UTF-8";

/* Shared navigation for the homepage and every editorial guide. */
.site-header .header-inner {
  min-height: 88px;
  flex-wrap: nowrap;
  gap: 28px;
  padding-block: 0;
}

.site-header .wordmark {
  flex-shrink: 0;
}

.site-header .nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 9px 13px;
  border: 1px solid #bfc9c2;
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
  font: 600 15px/1.5 var(--font-sans);
  cursor: pointer;
}

.site-header .nav-toggle:hover {
  background: var(--white);
}

.site-header .nav-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform .15s;
}

.site-header .nav-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.site-header .site-navigation {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  gap: 28px;
}

.site-header .primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: nowrap;
  order: initial;
  width: auto;
  margin: 0;
  gap: 22px;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 550;
}

.site-header .primary-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 0;
  white-space: nowrap;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.site-header .primary-nav a[aria-current="page"] {
  color: var(--blue);
  text-decoration-line: underline;
}

.site-header .primary-nav a:hover {
  color: var(--blue);
}

.site-header .header-github {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-height: 44px;
  margin: 0;
  padding: 10px 14px;
  gap: 9px;
  font-size: 15px;
  line-height: 1.5;
  white-space: nowrap;
}

.site-footer {
  padding-block: 55px 23px;
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1.1fr;
  align-items: start;
  gap: 35px;
}

.site-footer .footer-grid > * {
  min-width: 0;
}

.site-footer .footer-description {
  max-width: 32ch;
  margin-top: 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.site-footer .footer-column {
  display: block;
  order: initial;
  width: auto;
  margin: 0;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.5;
}

.site-footer .footer-column h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.5;
  letter-spacing: 0;
}

.site-footer .footer-column ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer .footer-column li {
  margin: 0;
  padding: 0;
}

.site-footer .footer-column a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 9px 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.site-footer .footer-column a:hover,
.site-footer .footer-column a[aria-current="page"] {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer .footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 37px;
  padding-top: 23px;
  font-size: 14px;
  line-height: 1.75;
}

.site-footer .footer-disclaimer {
  max-width: 90ch;
}

.site-footer .footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
}

.site-footer .back-top {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-left: auto;
  gap: 8px;
  font-size: 14px;
}

.site-footer .back-top:hover {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 1100px) {
  /* Without JavaScript the expanded links stay in the normal document flow. */
  .site-header:not([data-menu-ready="true"]) {
    position: static;
  }

  .site-header .header-inner {
    min-height: 72px;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0 16px;
    padding-block: 14px;
  }

  .site-header[data-menu-ready="true"] .nav-toggle {
    display: inline-flex;
  }

  .site-header .site-navigation {
    flex: 0 0 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 12px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }

  .site-header[data-menu-ready="true"] .site-navigation {
    max-height: calc(100dvh - 100px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .site-header[data-menu-ready="true"][data-menu-open="false"] .site-navigation {
    display: none;
  }

  .site-header .primary-nav {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 2px;
    font-size: 16px;
  }

  .site-header .primary-nav a {
    padding: 11px 12px;
    border-radius: 5px;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .site-header .primary-nav a:hover,
  .site-header .primary-nav a[aria-current="page"] {
    background: var(--pale);
  }

  .site-header .header-github {
    justify-content: space-between;
    padding: 11px 12px;
    margin: 0 0 4px;
    font-size: 16px;
  }

  html[data-navigation-ready="true"] {
    scroll-padding-top: 90px;
  }
}

@media (min-width: 1001px) and (max-width: 1100px) {
  /* This range retains the article sidebar beside the now-compact header. */
  html[data-navigation-ready="true"] .article-page .article-sidebar {
    top: 100px;
    max-height: calc(100dvh - 132px);
  }
}

@media (max-width: 1000px) {
  .site-footer .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 48px;
  }
}

@media (max-width: 600px) {
  .site-footer {
    padding-block: 39px 20px;
  }

  .site-footer .footer-grid {
    gap: 28px 24px;
  }

  .site-footer .footer-brand,
  .site-footer .footer-column:last-child {
    grid-column: 1 / -1;
  }

  .site-footer .footer-description {
    max-width: 38ch;
    margin-top: 14px;
  }

  .site-footer .footer-bottom {
    margin-top: 26px;
    padding-top: 20px;
  }

  .site-footer .footer-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .site-footer .back-top {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header .nav-toggle svg {
    transition: none;
  }
}

@media print {
  .site-header,
  .site-footer .footer-grid,
  .site-footer .back-top {
    display: none;
  }

  .site-footer {
    padding: 12pt 0 0;
    margin-top: 20pt;
    background: transparent;
  }

  .site-footer .footer-bottom {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 9pt;
  }
}