/* ============================================================
   ASA TRANSPORTES — Footer CSS
   Rodapé com 4 colunas, logo, links e redes sociais
   ============================================================ */

.site-footer {
  background: var(--color-azul-900);
  color: var(--color-branco-80);
  padding-top: var(--space-16);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-azul-400), transparent);
}

/* ── Grid 4 colunas ── */
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-branco-10);
}

/* ── Coluna Logo ── */
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__logo-img {
  height: 110px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-branco-60);
  line-height: var(--leading-relaxed);
  max-width: 28ch;
}

/* ── Colunas de links ── */
.footer__col-title {
  font-size: var(--text-xs);
  font-weight: var(--font-extrabold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-branco);
  margin-bottom: var(--space-5);
  position: relative;
}

.footer__col-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-azul-400);
  border-radius: var(--radius-full);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__nav-link {
  font-size: var(--text-sm);
  color: var(--color-branco-60);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__nav-link::before {
  content: '→';
  opacity: 0;
  transition: all var(--transition-fast);
  transform: translateX(-6px);
  font-size: var(--text-xs);
}

.footer__nav-link:hover {
  color: var(--color-azul-300);
  padding-left: var(--space-2);
}

.footer__nav-link:hover::before {
  opacity: 1;
  transform: translateX(0);
}

/* ── Contato ── */
.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-branco-60);
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-azul-300);
  margin-top: 2px;
  flex-shrink: 0;
}

.footer__contact-item a {
  color: var(--color-branco-60);
  transition: color var(--transition-fast);
}

.footer__contact-item a:hover {
  color: var(--color-azul-300);
}

/* ── Redes Sociais ── */
.footer__social-list {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer__social-link {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-lg);
  background: var(--color-branco-10);
  border: 1px solid var(--color-branco-10);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  color: var(--color-branco-60);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__social-link:hover {
  transform: translateY(-3px);
  color: var(--color-branco);
}

.footer__social-link--facebook:hover {
  background: #1877f2;
  border-color: #1877f2;
}

.footer__social-link--instagram:hover {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  border-color: transparent;
}

.footer__social-link--whatsapp:hover {
  background: var(--color-verde-wa);
  border-color: var(--color-verde-wa);
}

/* ── Bottom Bar ── */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-5);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-branco-60);
}

.footer__dev {
  font-size: var(--text-xs);
  color: var(--color-branco-60);
}

.footer__dev a {
  color: var(--color-azul-300);
  transition: color var(--transition-fast);
}

.footer__dev a:hover {
  color: var(--color-branco);
}