/* Site footer, shared by the landing, hosted, about, enterprise, AI
   instructions and legal pages. Colors come from the theme variables each
   page defines (--text, --text-dim, --accent, --border, --bg-surface,
   --bg-card, --max-width). Selectors are classed so they win over each page's
   own element rules (h2, ul, li, a). */

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px 48px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.site-footer .footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}
.site-footer .footer-name {
  color: var(--text);
  font-weight: 600;
}

.site-footer .footer-columns {
  display: flex;
  gap: 56px;
}
.site-footer .footer-column h2 {
  margin: 0 0 10px;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}
.site-footer .footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.site-footer .footer-column li {
  margin: 0;
}
.site-footer .footer-column a {
  color: var(--text-dim);
}
.site-footer .footer-column a:hover {
  color: var(--accent);
}

/* Language menu. The summary names the page's own language; the panel lists
   the others in the same order on every page. Labels are each language's own
   name, so they are identical bytes in every version. A <details> opens and
   closes with no script and is keyboard reachable through its summary. */
.lang-switch {
  position: relative;
}
.lang-switch summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  user-select: none;
}
.lang-switch summary::-webkit-details-marker {
  display: none;
}
.lang-switch summary:hover {
  border-color: var(--accent);
}
.lang-switch summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.lang-switch svg {
  width: 15px;
  height: 15px;
  flex: none;
}
.lang-switch .lang-chevron {
  width: 12px;
  height: 12px;
  transition: transform 0.15s;
}
.lang-switch[open] .lang-chevron {
  transform: rotate(180deg);
}
/* Opens upward: the footer is the end of the page, so there is no room below. */
.lang-switch .lang-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  z-index: 20;
  min-width: 100%;
  display: flex;
  flex-direction: column;
  padding: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}
.lang-switch .lang-menu a {
  padding: 6px 10px;
  border-radius: 4px;
  color: var(--text);
  white-space: nowrap;
}
.lang-switch .lang-menu a:hover,
.lang-switch .lang-menu a:focus-visible {
  background: var(--bg-card);
  color: var(--accent);
  text-decoration: none;
}
.lang-switch .lang-menu a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

@media (max-width: 640px) {
  .site-footer {
    flex-direction: column;
    padding: 24px 16px 32px;
  }
  .site-footer .footer-columns {
    flex-direction: column;
    gap: 22px;
  }
}