body {
      box-sizing: border-box;
    }
    
    * {
      font-family: 'Plus Jakarta Sans', sans-serif;
    }
    
    .form-section {
      transition: all 0.3s ease;
    }
    
    .form-section:hover {
      transform: translateY(-2px);
    }
    
    .checkbox-custom:checked {
      background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
    }
    
    .radio-custom:checked {
      background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3ccircle cx='8' cy='8' r='3'/%3e%3c/svg%3e");
    }
    
    input:focus, textarea:focus, select:focus {
      outline: none;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }
    
    .progress-step {
      transition: all 0.3s ease;
    }
    
    .progress-step.active {
      transform: scale(1.1);
    }
    
    .fade-in {
      animation: fadeIn 0.4s ease-out;
    }
    
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }
    
    .toast {
      animation: slideIn 0.3s ease-out;
    }
    
    @keyframes slideIn {
      from { transform: translateX(100%); opacity: 0; }
      to { transform: translateX(0); opacity: 1; }
    }