/* Footer profissional */
    .main-footer {
      background-color: #333;
      color: white;
      padding: 40px 0 20px;
      margin-top: 40px;
    }

    .footer-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .footer-logo {
      font-size: 1.5rem;
      font-weight: bold;
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-logo i {
      color: var(--primary);
    }

    .footer-about p {
      font-size: 0.9rem;
      line-height: 1.5;
      color: #ccc;
    }

    .footer-links h3, .footer-contact h3 {
      font-size: 1.1rem;
      margin-bottom: 15px;
      color: white;
    }

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

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      color: #ccc;
      text-decoration: none;
      transition: color 0.3s;
    }

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

    .social-links {
      display: flex;
      gap: 15px;
      margin-top: 15px;
    }

    .social-links a {
      color: white;
      background-color: #444;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
    }

    .social-links a:hover {
      background-color: var(--primary);
      transform: translateY(-3px);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 20px;
      margin-top: 30px;
      border-top: 1px solid #444;
      font-size: 0.8rem;
      color: #999;
    }