.footer {
  background-color: var(--primary);
  color: white;
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: white;
}

.footer-col p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: var(--accent);
}

.social-links {
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: all 0.3s ease;
  font-weight: 700;
}

.social-links a:hover {
  background-color: var(--accent);
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .footer-col h3 {
    font-size: 1rem;
  }

  .footer-col p,
  .footer-col a {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .footer {
    padding: 2rem 0 1rem;
  }

  .footer-col h3 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
  }

  .social-links {
    justify-content: center;
  }
}