body {
      box-sizing: border-box;
    }
    
    * {
      box-sizing: border-box;
    }
    
    .hero-gradient {
      background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    }
    
    .card-hover {
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    
    .card-hover:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    
    .whatsapp-float {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 1000;
      transition: transform 0.3s ease;
    }
    
    .whatsapp-float:hover {
      transform: scale(1.1);
    }
    
    .badge-icon {
      width: 48px;
      height: 48px;
    }
    
    .success-message {
      animation: slideIn 0.5s ease;
    }
    
    @keyframes slideIn {
      from {
        opacity: 0;
        transform: translateY(-20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }