/* Footer Styles */
.site-footer {
  padding: 3rem 1rem 2rem;
  font-size: 0.875rem;
  color: #57606a;
  background-color: #fff;
  border-top: 1px solid #e1e4e8;
  width: 100%;
}

.footer-container {
  max-width: 80%;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-column h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #24292e;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e1e4e8;
}

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

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

.footer-link {
  color: #57606a;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}

.footer-link:hover {
  color: #0366d6;
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid #6e6e6e;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.footer-logo img {
  height: 28px;
  width: auto;
}

.footer-copyright {
  color: #6a737d;
  font-size: 0.8125rem;
  margin: 0.5rem 0;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: #6a737d;
  transition: color 0.2s ease;
  font-size: 1.1rem;
}

.footer-social a:hover {
  color: #0366d6;
}

/* Dark Mode - Opcional */
@media (prefers-color-scheme: dark) {
  .site-footer {
    background-color: #0c0c0c;
    border-top-color: #30363d;
    color: #8b949e;
  }
  
  .footer-column h3 {
    color: #f0f6fc;
    border-bottom-color: #30363d;
  }
  
  .footer-link {
    color: #8b949e;
  }
  
  .footer-link:hover {
    color: #58a6ff;
  }
  
  .footer-copyright {
    color: #8b949e;
  }
  
  .footer-social a {
    color: #8b949e;
  }
  
  .footer-social a:hover {
    color: #58a6ff;
  }
}

/* Responsividade */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  
  .footer-social {
    margin-top: 1rem;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    padding: 0 1rem;
  }
  
  .site-footer {
    padding: 2rem 1rem;
  }
  
  .footer-column {
    margin-bottom: 1.5rem;
  }
  
  .footer-column h3 {
    margin-bottom: 0.75rem;
  }
}