:root {
      --primary-color: #198754;
      --primary-dark: #0f5132;
      --text-dark: #343a40;
    }
    
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      scroll-behavior: smooth;
      color: var(--text-dark);
    }
    
    /* Navbar Superior */
    .navbar {
      background-color: white;
      box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
      padding: 15px 0;
    }
    
    .navbar-brand {
      display: flex;
      align-items: center;
      font-weight: 700;
      color: var(--primary-dark);
      gap: 0.5rem;
      font-size: 1.5rem;
    }
    
    .logo-icon {
      font-size: 1.8rem;
      color: var(--primary-color);
    }
    
    .nav-link {
      font-weight: 500;
      color: var(--text-dark) !important;
      padding: 8px 15px !important;
      transition: all 0.3s ease;
      position: relative;
    }
    
    .nav-link:hover {
      color: var(--primary-color) !important;
    }
    
    .nav-link.active {
      color: var(--primary-color) !important;
    }
    
    .nav-link.active:after {
      content: '';
      position: absolute;
      width: 60%;
      height: 2px;
      background: var(--primary-color);
      bottom: 0;
      left: 20%;
    }
    
    .btn-login {
      border: 2px solid var(--primary-color);
      font-weight: 600;
      padding: 8px 20px;
      transition: all 0.3s ease;
    }
    
    .btn-login:hover {
      background: var(--primary-color);
      color: white !important;
    }
    
    /* Hero Section */
    .hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                  url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
      background-size: cover;
      background-position: center;
      color: white;
      padding: 150px 0 100px;
      text-align: center;
    }
    
    .hero-title {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
    }
    
    .hero-subtitle {
      font-size: 1.3rem;
      margin-bottom: 2.5rem;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    
    /* About Section */
    .about-section {
      padding: 80px 0;
    }
    
    .about-img {
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      height: 100%;
    }
    
    .about-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    
    .about-img:hover img {
      transform: scale(1.03);
    }
    
    .section-title {
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 2rem;
      position: relative;
      display: inline-block;
    }
    
    .section-title:after {
      content: '';
      position: absolute;
      width: 50px;
      height: 3px;
      background: var(--primary-color);
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
    }
    
    /* Rodapé Simplificado */
    footer {
      background: var(--primary-dark);
      color: white;
      padding: 30px 0 20px;
      text-align: center;
    }
    
    .footer-logo {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 15px;
      display: inline-block;
    }
    
    .footer-links {
      margin-bottom: 20px;
    }
    
    .footer-links a {
      color: rgba(255, 255, 255, 0.8);
      margin: 0 10px;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    
    .footer-links a:hover {
      color: white;
    }
    
    .copyright {
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.9rem;
    }
    
    /* Responsividade */
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.2rem;
      }
      
      .hero-subtitle {
        font-size: 1.1rem;
      }
      
      .about-section {
        padding: 50px 0;
      }
    }