/* ==========================================================================
   FOOTER — Site footer with links, social icons, and copyright.
   ========================================================================== */

.otb-footer {
  background: rgba(0, 0, 0, 0.85);
  color: var(--color-gray-400);
  padding: var(--spacing-lg) 0;
  margin-top: 0;
  font-size: var(--font-size-xs);
  position: relative;
  width: 100%;
}

.otb-footer a {
  color: var(--color-gray-300);
  text-decoration: none;
}

.otb-footer a:hover,
.otb-footer a:focus-visible {
  color: var(--color-white);
  text-decoration: underline;
}

.otb-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

/* ---------- NAV LINKS ---------- */

.otb-footer__links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.otb-footer__links a {
  text-transform: uppercase;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
}

/* ---------- SOCIAL LINKS ---------- */

.otb-footer__social {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.otb-footer__social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.otb-footer__social-link .otb-icon {
  flex-shrink: 0;
}

/* ---------- THEME TOGGLE ---------- */

.otb-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-gray-600);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  padding: 0;
  cursor: pointer;
  color: var(--color-gray-400);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.otb-theme-toggle:hover,
.otb-theme-toggle:focus-visible {
  color: var(--color-white);
  border-color: var(--color-white);
}

.otb-theme-toggle svg {
  display: block;
}

/* ---------- ORG LOGO ---------- */

.otb-footer__org-logo {
  display: block;
  width: 140px;
  height: auto;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.otb-footer__org a:hover .otb-footer__org-logo,
.otb-footer__org a:focus-visible .otb-footer__org-logo {
  opacity: 1;
}

/* ---------- META / COPYRIGHT ---------- */

.otb-footer__meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.otb-footer__meta p {
  margin: 0;
}

/* ---------- RESPONSIVE ---------- */

@media (min-width: 769px) {
  .otb-footer__inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    text-align: left;
  }
}