* {
    margin: 0;
    padding: 0;
    border: 0;
    font: inherit;
    outline: 0;
    box-sizing: border-box;
}

img {
    max-width: 100%;
}

html {
    width: 100%;
    height: 100%;
    font-size: 62.5%;
    background: #000;
}

body {
    font-family: 'arial', serif;
    width: 100%;
    min-height: 100vh;
    text-align: center;
}

main{
    height:100vh;
    display: grid;
    grid-template-rows: auto 1fr;
    background: linear-gradient(transparent,rgb(128 4 42 / 60%), transparent), url('../images/bg.gif');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.boxLogo {
    text-align: center;
    padding: 10px;
}

    .boxLogo img {
        width: 20rem;
    }

.cta {
    text-align: center;
    align-self: center;
    display: grid;
    justify-items: center;
    grid-gap: 2vh;
    margin-top: 10vh;
}

.cta h1 {
    font-size: 2.2rem;
    color: #fff;
    font-family: 'Carter One', cursive;
    line-height: 2.4rem;
}

.num {
    font-size: 1.4rem;
    color: #fff;
    width: 90%;
}

#submitBtn {
    width: 80%;
    font-size: 2.6rem;
    padding: 3vh;
    color: #fff;
    text-decoration: none;
    font-weight: 800;
    border-radius: 8px;
}

.tarif {
    font-size: 1.2rem;
    color: #fff;
    font-family: 'Arial', sans-serif;
    background: #A26649;
    padding: 5px;
    border-radius: 2px;
    font-weight: bold;
}

.description {
    background: #bd1952;
    width: 100%;
    padding: 30px;
}

.description p {
    color: white;
    font-size: 14px;
    line-height: 20px;
    text-align: justify;
}

/*FOOTER*/
footer {
    display: grid;
    grid-gap: 4vh;
    padding: 4vh 0;
    background: #000;
}

    .subFooter {
        display: flex;
        justify-content: space-evenly;
    }

        .int {
            width: 10rem;
        }

        .synop {
            width: 2rem;
        }

    .menuFooter {
        display: grid;
        justify-items: center;
        width: 80%;
        margin: auto;
        grid-gap: 2vh;
    }

        footer a {
            color: #a5a5a5;
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: 700;
            text-transform: capitalize;
            padding: 2vh;
        }

/* num trifi */
form {
    display: grid;
    justify-items: center;
    grid-gap: 2vh;
}

#submitBtn:disabled {
    background: linear-gradient(#ccc, #ccc);
    color: #666;
    box-shadow: none;
}

#submitBtn:enabled {
    background: linear-gradient(#bd1952, #991442);
    box-shadow: 0px 0px 10px 0px #bd1952;
}

#enter {
    font-size: 1.4rem !important;
}

#phoneNumber{
    font-size: 3rem;
    border-radius: 50px;
    text-align: center;
    padding: 2vh 0;
    width: 75%;
    letter-spacing: 2px;
}
#phoneNumber::placeholder{
    color:lightgrey;
}
#phoneNumber:invalid{
    border: 5px solid red;
}
#phoneNumber:valid{
    border: 5px solid green;
}

#error{
    color: red;
    font-size: 1.6rem;
}

#mandatory_fr_lp_text {
    text-align: justify !important;
}