/* ============================================================
   ACS FOOTER
   ============================================================ */

.site-footer {
  background: var(--color-dark);
  border-top: 1px solid var(--color-rule-dark);
  padding-block: var(--space-xl);
}

.site-footer .container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

/* Brand column */
.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-md);
}
.footer-brand__mark {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-inverse);
  background: transparent;
  border: 1px solid var(--color-orange);
  padding: 4px 7px;
  line-height: 1;
  box-sizing: border-box;
}
.footer-brand__name {
  font-size: var(--text-sm);
  color: var(--color-text-muted-inverse);
}
.footer-brand__tagline {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-text-muted-inverse);
  max-width: 260px;
  line-height: var(--leading-normal);
}

/* Link columns */
.footer-col__heading {
  font-size: var(--text-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-text-muted-inverse);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-rule-dark);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted-inverse);
  transition: color var(--transition-fast);
}
.footer-col a:hover {
  color: var(--color-text-inverse);
}

/* Bottom bar */
.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-rule-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--color-text-muted-inverse);
}

@media (max-width: 768px) {
  .site-footer {
    padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
  }

  .site-footer .container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }
  .footer-brand__logo {
    justify-content: center;
  }
  .footer-brand__tagline {
    margin-inline: auto;
  }
  .footer-col ul {
    align-items: center;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
    justify-content: center;
  }
}