/* ============================================================================
 * components/footer.css — shared ForceX footer
 * ============================================================================
 * Depends on: core/tokens.css, layout/containers.css
 * Rendered by: /assets/js/components/fx-footer.js
 * ========================================================================== */

.fx-global-footer {
  background: var(--header-bg);
  border-top: 1px solid var(--border);
  color: var(--muted2);
  font-family: var(--font-sans);
  margin-top: var(--space-12);
  position: relative;
  z-index: var(--z-base);
}

:root[data-theme="light"] .fx-global-footer {
  border-top-color: var(--header-border);
}

:root[data-theme="light"] .fx-global-footer__brand-mark {
  opacity: 0.72;
}

.fx-global-footer__main {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: minmax(240px, 1.1fr) minmax(0, 2.4fr);
  padding-bottom: var(--space-12);
  padding-top: var(--space-12);
}

.fx-global-footer__brand {
  max-width: 360px;
}

.fx-global-footer__logo {
  color: var(--text);
  display: inline-flex;
  margin-bottom: var(--space-5);
  text-decoration: none;
}

.fx-global-footer__brand-mark {
  background: currentColor;
  display: block;
  height: 15px;
  opacity: 0.58;
  -webkit-mask: url("/assets/img/brand/fx_logo.svg") center / contain no-repeat;
  mask: url("/assets/img/brand/fx_logo.svg") center / contain no-repeat;
  width: 84px;
}

.fx-global-footer__brand p,
.fx-global-footer__rail p {
  color: var(--muted);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.fx-global-footer__columns {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-content: stretch;
}

.fx-global-footer__columns section {
  align-content: start;
  display: grid;
  gap: var(--space-3);
}

.fx-global-footer__columns h2 {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  margin: 0 0 var(--space-4);
  text-transform: uppercase;
}

.fx-global-footer__columns a,
.fx-global-footer__columns span {
  color: var(--muted2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.fx-global-footer__columns a {
  transition: color var(--motion-fast) var(--easing-base);
}

.fx-global-footer__columns a:hover {
  color: var(--text);
}

.fx-global-footer__data-quality-link {
  display: inline-block;
  line-height: 1.45;
  max-width: 170px;
  white-space: normal;
}

.fx-global-footer__columns .is-disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.62;
}

.fx-global-footer__rail {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.fx-global-footer__rail-inner {
  align-items: center;
  display: flex;
  gap: var(--space-6);
  justify-content: space-between;
  min-height: 72px;
}

.fx-global-footer__social {
  align-items: center;
  display: flex;
  gap: var(--space-3);
}

.fx-global-footer__social a,
.fx-global-footer__social span {
  align-items: center;
  color: var(--muted2);
  display: inline-flex;
  height: 32px;
  justify-content: center;
  text-decoration: none;
  transition:
    color var(--motion-fast) var(--easing-base),
    opacity var(--motion-fast) var(--easing-base);
  width: 32px;
}

.fx-global-footer__social a:hover {
  color: var(--accent-lt);
}

.fx-global-footer__social .is-disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.45;
}

.fx-global-footer__social svg {
  fill: currentColor;
  height: 20px;
  width: 20px;
}

@media (max-width: 920px) {
  .fx-global-footer__main,
  .fx-global-footer__columns {
    grid-template-columns: 1fr;
  }

  .fx-global-footer__brand {
    max-width: 520px;
  }
}

@media (max-width: 640px) {
  .fx-global-footer__main,
  .fx-global-footer__columns,
  .fx-global-footer__rail-inner {
    gap: var(--space-6);
  }

  .fx-global-footer__rail-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: var(--space-5);
    padding-top: var(--space-5);
  }
}