/* ============================================================
   Footer — multi-coluna com links + selo de acessibilidade
   ============================================================ */

.site-footer {
  background: var(--color-primary-darker);
  color: var(--color-white);
  padding: var(--space-7) 0 var(--space-5);
  font-size: var(--font-size-sm);
}

.site-footer a {
  color: var(--color-white);
  opacity: 0.9;
}
.site-footer a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer__columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.footer__col h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-3);
  text-transform: none;
}

.footer__col ul li {
  margin-bottom: var(--space-2);
}

.footer__col--subgroup {
  margin-top: var(--space-5);
}

.footer__bottom {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.footer__brand img {
  height: 48px;
  width: auto;
}
.footer__brand-cnpj {
  opacity: 0.6;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  margin-left: auto;
}
.footer__social a {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.footer__social a:hover {
  background: rgba(255, 255, 255, 0.2);
}
.footer__social svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.footer__legal {
  width: 100%;
  margin-top: var(--space-4);
  font-size: var(--font-size-xs);
  opacity: 0.7;
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.footer__a11y {
  position: fixed;
  right: 16px;
  bottom: 84px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 20;
}
.footer__a11y button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}
.footer__a11y button:hover {
  background: var(--color-primary-dark);
}
.footer__a11y svg {
  width: 18px;
  height: 18px;
}