* {
    box-sizing: border-box;
}

body {
    font-family: Nunito, sans-serif;
    background-color: rgb(237, 50, 55);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}


.wrapper {
     max-width: 800px;
    margin: 40px auto;
    padding: 30px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0)), url(bg.png);
    background-position: center center;
    background-size: cover;
    border-radius: 12px;
    position: relative;
}

        h1 {
            text-align: center;
            color: #fff;
            margin-bottom: 20px;
            font-size: 24px;
            font-weight: 600;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            font-weight: 500;
            color: #fff;
            margin-bottom: 8px;
            display: block;
        }
        .form-group input[type="text"],
        .form-group input[type="email"],
        .form-group textarea,
        .form-group input[type="text"],
        .form-group input[type="email"],
        .form-group input[type="date"],
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px;
            border: 1px solid #BDC3C7;
            border-radius: 5px;
            box-sizing: border-box;
            background: rgba(255, 255, 255, 0.1);
            font-size: 16px;
            background-color: #e8eeef;
            color: #111;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03) inset;
            transition: border-color 0.3s ease;
        }
        .form-group input[type="text"]:focus,
        .form-group input[type="email"]:focus,
        .form-group input[type="date"]:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #3498DB;
            outline: none;
        }
        .radio-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .radio-group label {
            display: flex;
            align-items: center;
            font-weight: 400;
            color: #fff;
        }
        .form-group button {
            background-color: black;
            color: #FFFFFF;
            border: none;
            border-radius: 8px;
            padding: 12px 20px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            width: 70%;
        }
        .flex-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .flex-row .form-group {
            flex: 1;
            min-width: calc(50% - 20px);
        }
        
         .hidden-options option {
            display: none;
        }
        
        .optgroup-label {
            cursor: pointer;
            font-weight: bold;
            display: block;
            margin-top: 10px;
        }

        /* Optional: style for options when they are visible */
        .optgroup-visible option {
            display: block;
        }
        
footer {
    width: 100%;
    display: inline-block;
    margin: 5px auto;
    color: #f2f2f2;
    text-align: center;
    font-family: sans-serif;
    background-color: rgb(196, 33, 38);
    float: left;
    margin-bottom: 10px;
}

footer .footer {
    padding: 5px;
    font-weight: bold;
    margin: 5px;
}