.box-simple-shadow {
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 0 15px rgba(0,0,0,0.1);
        padding: 30px;
        margin: 20px auto;
        max-width: 700px;
    }

    .box-simple-shadow h1 {
        font-size: 24px;
        margin-bottom: 10px;
        text-align: center;
        color: #333;
    }

    .box-simple-shadow p {
        font-size: 15px;
        color: #555;
        text-align: center;
        margin-bottom: 25px;
    }

    .box-simple-shadow form {
        margin-top: 20px;
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-group label {
        font-weight: 600;
        margin-bottom: 5px;
        display: block;
        color: #444;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group textarea {
        width: 100%;
        padding: 12px 15px;
        border-radius: 8px;
        border: 1px solid #ddd;
        font-size: 15px;
        background-color: #f9f9f9;
        transition: border-color 0.3s ease, background-color 0.3s ease;
    }

    .form-group input[type="text"]:focus,
    .form-group input[type="email"]:focus,
    .form-group textarea:focus {
        border-color: #4e2681;
        background-color: #fff;
        outline: none;
    }

    .form-group textarea {
        min-height: 120px;
        resize: vertical;
    }

    .btn-lg {
        width: 100%;
        padding: 12px 20px;
        border-radius: 8px;
        font-size: 16px;
        font-weight: bold;
        transition: background-color 0.3s ease;
    }

    .btn-info {
        background-color: #4e2681;
        border: none;
        color: #fff;
    }

    .btn-info:hover {
        background-color: #3a1d63;
    }

    .logo-display img {
        display: block;
        margin: 0 auto 20px auto;
        border-radius: 50%;
        width: 80px;
        height: 80px;
    }

    @media (max-width: 600px) {
        .box-simple-shadow {
            padding: 20px;
        }

        .box-simple-shadow h1 {
            font-size: 20px;
        }
    }