.footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  margin-top: 5rem;
  padding: 3rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.875rem;
}

.footer-logo {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
}

.footer-desc {
  color: var(--color-text-3);
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.footer-social {
  display: flex;
  gap: 0.5rem;
}

.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-3);
  font-size: 0.875rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-3);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--color-text-2);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--color-text-3);
}

.footer-copyright a {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-legal {
  display: flex;
  gap: 1.25rem;
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--color-text-3);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-legal a:hover {
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .footer-brand-col {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-legal {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
}