* {
    margin: 0px;
    padding: 0px;
    outline: none;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}

html {
    height: 100%;
    font-size: 62.5%;
}

body {
    font-family: Arial, sans-serif;
    color: #fff;
    background: #000000;
    height: 100%;
    text-align: center;
    font-size: 1.4rem;
}

main {
    position: relative;
    min-height: 100vh;
    display: grid;
    justify-items: center;
    align-content: space-between;
    padding: 2vh 4vw;
    background-color: #000000;
}

/* La fille : pleine largeur, hauteur naturelle (pas toute la hauteur de l'ecran), fondu vers le noir */
main::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    aspect-ratio: 500 / 400;
    background: url("../images/bg-hh.png") top center / 100% auto no-repeat;
    -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 55%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}

main > * {
    position: relative;
    z-index: 1;
}

.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* header */
.logo {
    width: 20rem;
}

.genre {
    margin-top: 0.6rem;
    font-family: 'Carter One', cursive;
    font-size: 1.8rem;
    letter-spacing: 1px;
    color: #bd1952;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.8);
}

/* cta */
.cta {
    display: grid;
    grid-gap: 2vh;
}

#disclaimer1 {
    font-size: 2.5rem;
    color: #fff;
    font-family: 'Carter One', cursive;
    line-height: 1;
}

#disclaimer1 > span {
    color: #bd1952;
}

#disclaimer2 {
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
}

.cta button {
    font-size: 31px;
    padding: 22px;
    width: 90%;
    background: linear-gradient(#bd1952, #991442);
    box-shadow: 0px 0px 10px 0px #bd1952;
    color: #fff;
    display: inline-block;
    text-decoration: none;
    font-weight: 800;
    border: none;
    border-radius: 8px;
}

.tarif {
    /* Nouvelle regulation FR — regles 1-2-3 */
    font-size: 14px;
    line-height: 1.3;
    white-space: normal;
    overflow: visible;
    width: 90%;
    max-width: 360px;
    margin: 0 auto;
    padding: 6px 12px;
    background-color: #000000;   /* fond opaque */
    color: #FFFFFF;              /* contraste 21:1 */
    border-radius: 8px;
}

/* pictos */
.pictos {
    display: flex;
    align-items: center;
    justify-content: space-around;
     width: 100%;
}

 .pictos svg {
    width: 30px;
    fill: rgba(255, 255, 255, 0.2);
}

 .pictos:not(.pictos) {
    grid-template-rows: repeat(3, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 5px 0px;
}

 .pictos:not(.pictos) a {
    font-size: 10px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

/* footer */
.prefooter{
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    padding: 4vh 0;
}

    .internetplus {
        width: 10rem;
    }

    .synop {
        width: 220px;
        max-width: 70%;
        height: auto;
        background: #fff;
        padding: 6px 10px;
        border-radius: 6px;
    }

.menu-footer {
    display: flex;
    flex-direction: column;
    background: rgba(41, 43, 47, 1);
    font-family: "Rubik",
        Arial, Verdana, sans-serif;
    font-size: 12px;
    text-align: center;
    color: rgba(255, 255, 255, 1);
}

.menu-footer a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 10px;
    padding: 20px 0;
    font-weight: bold;
    text-transform: capitalize;
}

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

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

#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;
}