#book-this-tour-form-container {
    box-shadow: 0 0 20px rgba(111, 111, 111, 0.356);
    padding: 20px;
    width: 400px;
    margin-top: 60px;
    border-radius: 10px;
}
#book-this-tour-form-container h2 {
    text-align: center;
}

#book-this-tour-form-container form {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    padding-block: 20px;
}
#book-this-tour-form-container form > div {
    display: flex;
    position: relative;
    margin: 20px 0;
    justify-content: center;
    flex-direction: column;
    width: 100%;
    align-items: center;
}
#book-this-tour-form-container form > div .error-message {
    margin-top: 70px;
}
#book-this-tour-form-container form #persons-count > div {
    display: flex;
    position: relative;
    margin: 20px 0;
    justify-content: center;
    flex-direction: column;
    width: 100%;
    align-items: center;
}
#book-this-tour-form-container input {
    z-index: 1;
    padding: 0 10px;
    font-size: 18px;
    background-color: transparent;
    height: 40px;
    border: none;
    outline: none;
    width: 100%;
}
#book-this-tour-form-container select {
    z-index: 1;
    padding: 0 10px;
    font-size: 18px;
    background-color: transparent;
    height: 40px;
    border: none;
    outline: none;
    width: 100%;
}
#book-this-tour-form-container input.hidden-date {
    opacity: 0;
    transition: 1s ease;
    cursor: pointer;
}
#book-this-tour-form-container input.hidden-date:focus,
#book-this-tour-form-container input.hidden-date:valid {
    opacity: 1;
}
#book-this-tour-form-container form div .i {
    height: 2px;
    z-index: 111;
    width: 100%;
    border-radius: 13px;

    transition: 0.4s;
    background-color: rgba(121, 121, 121, 0.365);
}
#book-this-tour-form-container form div .i::before {
    content: "";
    height: 2px;
    width: 0%;
    background-color: rgba(21, 255, 0, 0.856);
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 0;
    transition: width 0.4s;
    border-radius: 13px;
}
#book-this-tour-form-container form div .i.error::before {
    background-color: rgb(255, 9, 9) !important;
    width: 100%;
}
#book-this-tour-form-container form div input:focus ~ .i::before,
#book-this-tour-form-container form div input:valid ~ .i::before {
    width: 100%;
}
#book-this-tour-form-container form div select:focus ~ .i::before,
#book-this-tour-form-container form div select:valid ~ .i::before {
    width: 100%;
}

#book-this-tour-form-container form div span {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 20px;
    transition: 0.4s;
}
#book-this-tour-form-container form div input:focus ~ span,
#book-this-tour-form-container form div input:valid ~ span {
    transform: translateY(-26px);

    text-decoration: underline;
    font-size: 14px;
}
#book-this-tour-form-container form div select:valid ~ span {
    transform: translateY(-26px);

    text-decoration: underline;
    font-size: 14px;
}
#book-this-tour-form-container form div span.error {
    transform: translateY(-26px);

    text-decoration: underline;
    font-size: 14px;
}
#book-this-tour-form-container #persons-count {
    flex-direction: row;
    gap: 10px;
    margin: 0;
}

#book-this-tour-form-container form > div button {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    width: 100%;
    padding: 10px 20px;
    border-radius: 30px;
    border: none;
    margin-top: 20px;
    color: white;
    transition: 0.3s ease;
    font-weight: 600;
    font-size: 26px;
    background: linear-gradient(
        to left,
        var(--card3-gradient-color1),
        var(--card3-gradient-color2)
    );
}

#book-this-tour-form-container form > div button.submittingForm {
    transform: translate(0px, 0px);
    background: rgb(229, 255, 80);
}

#book-this-tour-form-container form > div button.submitFormSuccessfully {
    background: rgb(17, 204, 0);
}

#book-this-tour-form-container form > div button.formNotSubmitted {
    background: red;
}

#book-this-tour-form-container form > div button:hover {
    background: linear-gradient(
        to left,
        var(--card1-gradient-color1),
        var(--card1-gradient-color2)
    );
    scale: 0.93;
}
input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-appearance: none !important;
            appearance: none !important;
    background-color: transparent !important;
    background-image: none !important;
    color: inherit !important;
    border: 1px solid inherit !important;
    box-shadow: 0 0 0px 1000px transparent inset !important;
    -webkit-text-fill-color: inherit !important;
    -webkit-transition: background-color 5000s ease-in-out 0s !important;
    transition: background-color 5000s ease-in-out 0s !important;
}

/* Responsive Styles */
@media only screen and (max-width: 1020px) {
    #book-this-tour-form-container {
        width: 370px;
        padding: 10px;
    }
}

@media only screen and (max-width: 920px) {
    #book-this-tour-form-container {
        width: 350px;
    }
    #book-this-tour-form-container h2 {
        font-size: 20px;
    }
}

@media only screen and (max-width: 820px) {
    #book-this-tour-form-container {
        width: 500px;
        margin-top: 0;
    }
}

@media only screen and (max-width: 720px) {
    #book-this-tour-form-container h2 {
        font-size: 19px;
    }
}

@media only screen and (max-width: 620px) {
    #book-this-tour-form-container {
        width: 400px;
        margin-top: 0;
    }
    #book-this-tour-form-container h2 {
        font-size: 18px;
    }
}

@media only screen and (max-width: 520px) {
    #book-this-tour-form-container {
        width: 400px;
        margin-top: 0;
    }
    #book-this-tour-form-container input,
    #book-this-tour-form-container select {
        font-size: 16px;
    }
    #book-this-tour-form-container form div span {
        font-size: 18px;
    }
}

@media only screen and (max-width: 420px) {
    #book-this-tour-form-container {
        width: 90%;
        margin-top: 0;
    }
    #book-this-tour-form-container h2 {
        font-size: 17px;
    }
    #book-this-tour-form-container form > div button {
        width: 80%;
        font-size: 21px;
    }
}

@media only screen and (max-width: 320px) {
    #book-this-tour-form-container {
        width: 95%;
        margin-top: 0;
    }
    #book-this-tour-form-container h2 {
        font-size: 16px;
    }
    #book-this-tour-form-container input,
    #book-this-tour-form-container select {
        font-size: 15px;
    }
    #book-this-tour-form-container form div span {
        font-size: 16px;
    }
    #book-this-tour-form-container form > div button {
        font-size: 18px;
    }
    #book-this-tour-form-container form #persons-count .error-message {
        font-size: 9px;
    }
}