.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-sm);
}

.footer__brand-icon {
  width: 30px;
  height: 30px;
  border: 1.5px solid var(--color-accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 900;
  color: var(--color-accent);
}

.footer__brand-name {
  font-family: var(--font-primary);
  font-size: var(--size-lg);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-silver);
}

.footer__brand-desc {
  font-size: var(--size-sm);
  color: var(--color-text-dim);
  line-height: 1.7;
  max-width: 280px;
}

.footer__col-title {
  font-family: var(--font-primary);
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-silver);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: var(--size-sm);
  color: var(--color-text-dim);
  transition: var(--transition);
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copy {
  font-size: var(--size-xs);
  color: var(--color-text-dim);
  letter-spacing: 0.04em;
}

.footer__copy span {
  color: var(--color-accent);
}

.footer__socials {
  display: flex;
  gap: var(--space-sm);
}

.footer__social {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--size-sm);
  color: var(--color-text-dim);
  transition: var(--transition);
}

.footer__social:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 0 10px rgba(0,212,255,0.2);
}

@media (max-width: 900px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}