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

ul li{

}
/* mais a changer pour adapter au site  */
body{    
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

main{
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, rgb(10, 15, 13) 0%, rgb(0, 28, 51) 50%, rgb(0, 0, 0) 100%);
}

.unesection{
    /* background-color: aqua; */
    box-shadow: 16px 16px rgba(0, 183, 189, 0.26), -1em -1em .4em rgba(29, 83, 163, 0.623);
    background: linear-gradient(135deg, #00b7bd 0%, #1d53a3 100%);
    background: linear-gradient(90deg, #00b7bd, #1d53a3);
    margin: 10% 0;
    padding: 5% 5% 2% 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 25px;
    width: 100%;
}

.unesection p,.unesection li,.unesection span{
    font-size: 2.7em;
}

h4{
    margin-bottom: 3%;
    font-size: 40px !important;
    font-weight: 500;
    line-height: 1.2;
}

.laformation h3{
    text-align: center;
    font-size: 44px;
}

.laformation{
    padding: 0% 2%;
    /* width: 50%; */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.laformation img{
    width: 600px;
    height: 350px;
    margin-block: 20px;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
    border-radius: 10px;
}

.laformation p{
    margin-block: 5%;
}

.realisation{
    transform: translateY(-10%);
    height: 0;
    visibility: hidden;
    opacity: 0;
    overflow: hidden;
}

.activeRealisation{
    /* display: flex; */
    transform: translateY(0%);
    transition: all ease-out 0.7s;
    opacity: 1;
    height: 100%;
    visibility: visible;
}

span{
    border-top: 1px dotted rgb(0 87 111);
    border-bottom: 1px dotted rgb(0 87 111);
    padding: 6px 0px;
    width: 100%;
    display: block;
}

.objpouroutil{
    /* width: 50%; */
    margin-inline: 10px;
}

.objectifs{
    margin-block: 5%;
}

.pourquoi{
    margin-block: 5%;
}

.outilutilise{
    margin-block: 5%;
}

.notions{
    /* width: 50%; */
    margin-inline: 10px;
}

.mmm{
    margin-block: 2%;
}

ul{
    list-style-type: none;
}

/* =================== test =================== */

.chevron-chevron{
    height: 100px;
    width: 100%;
}

.box-chevron{
    height: 100%;
    width: 100%;
    position: relative;
    border: solid;
    cursor: pointer;
}
.cont-lignes-chevron {
    width: 54px;
    height: 42px;
    /* background: teal; */
    cursor: pointer;
    position: absolute;
    top: 70%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cont-lignes-active-chevron{
    transform: rotate(180deg);
    transition: all 0.5s ease-in-out;
    top: 10%;
    left: 48%;
} 

.lignes-chevron{
    width: 35px;
    height: 6px;
    border-radius: 5px;
    background: #000;
    position: absolute;
    transition: all 0.5s ease-in-out;
}
.lignes-chevron:nth-child(1){
    right: 20px;
    transform: rotate(45deg);
}
.lignes-chevron:nth-child(2){
    left: 20px;
    transform: rotate(135deg);
}
.lienCertification{
    color: #bdbdbd;
    padding-block: 20px;
    padding-inline: 10px;
    background-color: #010057;
    border-radius: 10px;
}

/* ============================================ */

@media(min-width: 1000px){
    main{
        padding-inline: 100px;
    }

    h4{
        font-size: 40px !important
    }

    
}

@media(max-width:1300px){
    .unesection p,.unesection li,.unesection span{
        font-size: 2.3em;
    }

    .laformation img{
        width: 380px;
        height: 250px;
        margin-block: 20px;
        box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
    }
}

@media(max-width: 1000px){
    .unesection{
        max-width: 720px;
    }

    .unesection p,.unesection li,.unesection span{
        font-size: 1.4em;
    }

    
}

@media(max-width: 900px){
    .unesection{
        max-width: 520px;
    }

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

    .laformation{
        width: 100%;
    }

    .objpouroutil{
        width: 100%;
    }

    .notions{
        width: 100%;
    }
}

@media(max-width: 530px){
    .unesection{
        width: 100%;
        height: 90%;
        max-width: 420px;
    }

    .laformation h3{
        font-size: 2em;
    }

    .box-chevron{
        border-top: solid 10px;
        border-inline: none;
        border-bottom: none;
    }

    .unesection p,.unesection li,.unesection span{
        font-size: 1.2em;
    }
}