/* ── Footer ── */
footer {
  background: var(--nav-bg);
  color: #ccc;
  padding: 2.5rem 5vw;
  border-top: 2px solid var(--green);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-desc {
  font-size: 0.83rem;
  line-height: 1.65;
  color: #999;
}

.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-col ul li { margin-bottom: 0.35rem; }
.footer-col ul li a { font-size: 0.83rem; color: #999; }
.footer-col ul li a:hover { color: #fff; text-decoration: none; }

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #666;
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.3rem; }
}