.container {
            max-width: 100%;
            background-color: #ffffff;
            margin: auto;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0px 6px 18px rgba(0, 0, 0, 0.1);
        }
        .step {
            display: none;
        }

        .active {
            display: block;
        }
        input {
            padding: 15px 20px;
            width: 100%;
            font-size: 1em;
            border: 1px solid #e3e3e3;
            border-radius: 5px;
        }
        select {
            padding: 15px 20px;
            width: 100%;
            font-size: 1em;
            border: 1px solid #e3e3e3;
            border-radius: 5px;
            background-color: #ffffff;
        }
        textarea {
            padding: 15px 20px;
            width: 100%;
            font-size: 1em;
            border: 1px solid #e3e3e3;
            border-radius: 5px;
        }
        
        input[type="radio"] {
            /* ...existing styles */
            display: grid;
            place-content: center;
          }
          
        input[type="radio"]::before {
            content: "";
            width: 0.65em;
            height: 0.65em;
            border-radius: 50%;
            transform: scale(0);
            transition: 120ms transform ease-in-out;
            box-shadow: inset 1em 1em var(--form-control-color);
        }
          
        input[type="radio"]:checked::before {
            transform: scale(1);
        }
          
        input:focus {
            border: 1px solid #009688;
            outline: 0;
        }

        

        .invalid {
            border: 1px solid #ffaba5;
        }

        #nextBtn,
        #prevBtn,
        #submitBtn {
            background-color: #009688;
            color: #ffffff;
            border: none;
            padding: 13px 30px;
            font-size: 1em;
            cursor: pointer;
            border-radius: 5px;
            flex: 1;
            margin-top: 5px;
            transition: background-color 0.3s ease;
        }

        #prevBtn {
            background-color: #ffffff;
            color: #009688;
            border: 1px solid #009688;
        }

        #prevBtn:hover,
        #nextBtn:hover,
        #submitBtn:hover {
            background-color: #00796b;
            color: #ffffff;
        }

        .progress {
            margin-bottom: 20px;
        }