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


html {
    scroll-behavior: smooth;
}

body{
    margin:0px;
    padding: 0px;
    font-family: calibri;
}

/* EN SAVOIR PLUS */

.savoir{
    display: flex;
    justify-content: center;
    width: 100%;
    height: 3em;
    /* background-color: red; */
}

.bouton{
    width: 120px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #896CEE;
    color: #fff;
    text-transform: uppercase;
    border-radius: 5px;
    margin-top: 1em;
    zoom: 1.1;
    transition: all 0.3s;


}

.bouton:hover{
    box-shadow: 0px -1px 35px 11px rgba(174,133,254,0.4);
    -webkit-box-shadow: 0px -1px 35px 11px rgba(174,133,254,0.4);
    -moz-box-shadow: 0px -1px 35px 11px rgba(174,133,254,0.4);
}

/* MENU */

.logo img{
    height: 50px;
}

nav{
    display: flex;
    align-items: center;
    justify-content: space-around;
    position: fixed;
    top: 0;
    left: 0;
    padding: 10px 30px;
    background-color:#fff;
    box-shadow: 2px 2px 20px rgba(90,118,253,0.13);
    z-index: 1;
    width: 100%;

    box-shadow: 1px 1px 1px rgb(156, 156, 156);
}

nav ul{
    display: flex;
}

nav ul li a{
    height:40px;
    line-height: 43px;
    margin: 8px;
    padding: 0px 22px;
    display: flex;
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 400;
    color:#111;
    letter-spacing: 1px;
}

nav ul li a:hover{
    background-color: #896CEE;
    color:#fff;
    box-shadow: 5px 10px 30px rgba(90,118,253,0.5);
    transition: all ease 0.2s;
}

nav .menu-btn{
    display: none;
}

/* RESPONSIVE MENU */

@media(max-width:1100px){
    nav{
        justify-content: space-between;
        height: 65px;
    }
    .menu{
        display: none;
        position: absolute;
        top: 65px;
        left: 0px;
        background-color: #fff;
        border-bottom: 1px solid rgba(38,38,38,0.03);
        width:100%;
    }
    .menu li{
        width:100%;
    }
    nav .menu li a{
        width:100%;
        height: 40px;
        justify-content: center;
        align-items: center;
        margin:0px;
        padding: 25px;
        border:1px solid rgba(38,38,38,0.03);
    }
    nav .menu-icon{
        cursor: pointer;
        float: right;
        padding: 28px 20px;
        position: relative;
        user-select: none;
    }
    nav .menu-icon .nav-icon{
        background-color: #333333;
        display: block;
        height: 2px;
        position: relative;
        transition: background 0.2s ease-out;
        width:18px;
    }
    nav .menu-icon .nav-icon:before,
    nav .menu-icon .nav-icon:after{
        background: #333333;
        content: '';
        display: block;
        height: 100%;
        position: absolute;
        transition: all ease-out 0.2s;
        width:100%;
    }
    nav .menu-icon .nav-icon:before{
        top: 5px;
    }
    nav .menu-icon .nav-icon:after{
        top:-5px;
    }
    nav .menu-btn:checked ~ .menu-icon .nav-icon{
        background: transparent;
    }
    nav .menu-btn:checked ~ .menu-icon .nav-icon:before{
        transform: rotate(-45deg);
        top: 0;
    }
    nav .menu-btn:checked ~ .menu-icon .nav-icon:after{
        transform: rotate(45deg);
        top: 0;
    }
    nav .menu-btn{
        display: none;
    }
    nav .menu-btn:checked ~ .menu{
        display: block;
    }
}

/* SECTION1 */

.section_1{
    display: flex;
    justify-content: space-around;
    align-items: center;  
    flex-wrap: wrap;

    width:100%;
    height:100vh;

    background: #ae85fe;
    clip-path: polygon(0 0, 100% 0, 100% 80%, 0% 100%);
 
}

.section_1 .img{
    width:500px;
    margin:20px;
}
.section_1 .img img{
    width: 100%;
    height: 100%;
}
.section_1 .text{
    width:500px;
    margin:20px;
    display: flex;
    flex-direction: column;
}

.section_1 .text h1{
    font-size: 3.5rem;
    line-height: 55px;
    color:#FFF;
    letter-spacing: 1px;
    font-weight: 700;
}
.section_1 .text p{
    font-size: 1rem;
    color:rgb(248, 248, 248);
    margin-top: 1em;
}

.section_1 .bouton{
    width:120px;
    height:40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #896CEE;
    color:#fff;
    text-transform: uppercase;

    border-radius: 5px;

    margin-top: 1em;
}
.section_1 .bouton:hover{
    background-color: #FFF;
    transition: all ease 0.3s;
    color: #ae85fe;
}


.wave-emoji{
    -webkit-animation-duration:1.8s;
    animation-duration:1.8s;
    -webkit-animation-iteration-count:infinite;
    animation-iteration-count:infinite;
    -webkit-animation-name:wave;
    animation-name:wave;
    display:inline-block;
    -webkit-transform-origin:70% 70%;transform-origin:70% 70%
}

@-webkit-keyframes wave{
    0%{-webkit-transform:rotate(0deg);
      transform:rotate(0deg)}
    10%{-webkit-transform:rotate(-10deg);
      transform:rotate(-10deg)}
    20%{-webkit-transform:rotate(12deg);
      transform:rotate(12deg)}
    30%{-webkit-transform:rotate(-10deg);
      transform:rotate(-10deg)}
    40%{-webkit-transform:rotate(9deg);
      transform:rotate(9deg)}
    50%{-webkit-transform:rotate(0deg);
      transform:rotate(0deg)}
  
    to{-webkit-transform:rotate(0deg);
      transform:rotate(0deg)}
}
  
@keyframes wave{
    0%{-webkit-transform:rotate(0deg);
      transform:rotate(0deg)}
    10%{-webkit-transform:rotate(-10deg);
      transform:rotate(-10deg)}
    20%{-webkit-transform:rotate(12deg);
      transform:rotate(12deg)}
    30%{-webkit-transform:rotate(-10deg);
      transform:rotate(-10deg)}
    40%{-webkit-transform:rotate(9deg);
      transform:rotate(9deg)}
    50%{-webkit-transform:rotate(0deg);
      transform:rotate(0deg)}
  
    to{-webkit-transform:rotate(0deg);
      transform:rotate(0deg)}
}

/* SECTION 2 */

.section_2 .head-box{
    margin-top: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-direction: column;
}
.section_2 .head-box h2{
    line-height: 55px;
    font-size: 2.2rem;
    color:#22252e;
    letter-spacing: 1px;
    font-weight: 700;
}
.section_2 .head-box p{
    font-size: 1rem;
    color:#777474;
    width:50%;
}
.section_2 .box-container{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 5em;
    height: auto;
    /* background-color: #111; */
}
.section_2 .box{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width:300px;
    height: 30em;
    text-align: center;
    box-shadow: 2px 2px 20px rgba(90,118,253,0.15);
    border-radius: 10px;
    background-color: #fff;
    margin: 20px;
    flex-grow: 1;
    padding: 1em;

    transition: 0.5s;
}

.section_2 .box:hover{
    box-shadow: 0 10px 30px rgba(0,0,0,.5);
}

.section_2 .box img{
    height:150px;
    margin:10px;
}
.section_2 .box h1{
    font-size: 1.5rem;
    color: #22252e;
    letter-spacing: 1px;
    font-weight: 700;
}
.section_2 .box p{
    font-size: 1rem;
    color: #777474;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 500px;
}

/* Données */

.section_2 .fa-desktop{
    color: #ae85fe;
}

.section_2 .fa-network-wired{
    color: #264CE3;
}

.section_2 .fa-server{
    color: #7377AD;
}

/* Languages */

.section_2 .fa-python{
    color: #F7CF44;
}

.section_2 .fa-html5{
    color: #DE4D26;
}

.section_2 .fa-css3-alt{
    color: #264CE3;
}

.section_2 .fa-js-square{
    color: #EFD81D;
}

.section_2 .fa-php{
    color: #7377AD;
}

.section_2 .box-top{
    margin-bottom: 1.5em;
}

/* Algo */

.section_2 .fa-database{
    color: #D20F23;
}

.section_2 .fa-abacus{
    color: #D57A23;
}

.section_2 .fa-calculator-alt{
    color: #D7DE23;
}

/* Machine */

.section_2 .fa-desktop{
    color: #ae85fe;
}

.section_2 .fa-inbox-in{
    color: #264CE3;
}

.section_2 .fa-calculator{
    color: #D20F23;
}

/* SECTION 3 */

.section_3{
    width:100%;
    height: auto;
    display: flex;
    justify-content: space-evenly;
    align-items: center;  
    flex-wrap: wrap;
    clip-path: polygon(0 20%, 100% 0%, 100% 80%, 0% 100%);
    background: #ae85fe;

}

.section_3  .container{
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    height: auto;
    /* background-color: #46484D; */
}


.section_3 .top-s3{
    margin-top: 10em;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 5em;
    /* background-color: green; */
}

.top-s3 h2{
    line-height: 55px;
    font-size: 2.2rem;
    color:#fff;
    letter-spacing: 1px;
    font-weight: 700;

    text-align: center;
}

.top-s3 p{
    font-size: 1rem;
    color:#f8f8f8;
    text-align: center;
}

.section_3 .img img{
    width: auto;
    height: auto;
    margin-top: 3em;
}

.section_3 .container-bot{
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
    height: auto;
    /* background-color: paleturquoise; */
    margin-top: 2em;

}

.section_3 .container-box{

    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;

    height: auto;
    /* background-color: red; */
    margin-bottom: 15em;
}

.section_3 .container-box .box{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    flex-wrap: wrap;
    padding: 1em;
    margin-bottom: 2em;


    background: #fff;
    min-height: 130px;
    width: 100%;

    border-radius: 1em;
    box-shadow: 0 10px 30px rgba(0,0,0,.5);
    transition: 0.5s;
}


.section_3 .box h1{
    font-size: 1.5rem;
    color: #22252e;
    letter-spacing: 1px;
    font-weight: 700;
    text-align: center;
}

.section_3 .box p{
    text-align: center;
    font-size: 1rem;
    color: #777474;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 500px;
}


/* SECTION 4 */

.section_4 .top-s4{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    width: 100%;
    height: 5em;
    /* background-color: green; */
}

.top-s4 h2{
    line-height: 55px;
    font-size: 2.2rem;
    color:#22252e;
    letter-spacing: 1px;
    font-weight: 700;
    text-align: center;
}

.top-s4 p{
    font-size: 1rem;
    color:#777474;
    text-align: center;
}

/* NAV */

.section_4{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
    
}

.section_4 .top_nav{
    display: flex;
    justify-content: center;

    transition: all 1s;
    margin-top: 2em;
    margin-bottom: 2em;
    width: 100%;
    height: 40px;
    /* background-color: #a7a7a733; */
}

.section_4 #onglets{
    display: flex;
    justify-content: center;
    height: 100%;
    width: 70%;
    /* background-color: green; */
}

.section_4 #onglets li{
    display: flex;
    justify-content: center;
    align-items: center;

    width: 10em;
    height : 100%;
    line-height : 30px;
    background-color: red;
    text-align : center;
    color :white;
    font-size: 3em;

    background-color: #ae85fe;
    border: solid 1px #46484D;
    box-shadow: 1px 1px 5px rgb(156, 156, 156);
    font-size: 30px;
    transition: all 0.4s;
}

.section_4 #onglets li:hover{
    -webkit-box-shadow: 0px 0px 31px 5px rgba(174,133,254,0.33); 
    box-shadow: 0px 0px 31px 5px rgba(174,133,254,0.33);
}

.section_4 #onglets  li.actif{
    background : white;
    color : black;
    
    -webkit-box-shadow: 0px 19px 31px -9px rgba(174,133,254,0.48); 
    box-shadow: 0px 19px 31px -9px rgba(174,133,254,0.48);

    color: #ae85fe;
    zoom: 1.1;

}


.section_4 #dut{
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}

.section_4 #prepa{
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

/* CONTENU */

.section_4 #contenus{
    display: flex;
    justify-content: center;
    width: 100%;
    /* background-color: aqua; */
    margin-bottom: 5em;
}


.section_4 #contenus li{

    width : 90%;
    margin-top: 2em;
    padding: 1.5em;
    background-color: #ae85fe;
    border-radius: 1em;
    box-shadow: 0 10px 30px rgba(0,0,0,.5);

    /* masque */
    display: none;
}

.section_4 #contenus  li.actif{
    /* j'affiche uniquement le li de class actif */
    display : flex;
    justify-content: space-evenly;
}

.section_4 #contenus li .left{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.section_4 #contenus li .left .image_left{
    display: flex;
    justify-content: center;
    align-items: center;

    background-color: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,.5);
}

.section_4 .left img{
    width: auto;
    height: auto;
    max-width: 80%;
    padding: 1em;
}

.section_4 #contenus li .right{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
   
    height: 100%;
    padding: 2em;
    margin-left: 4em;


    background-color: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,.5);
}

.section_4 #contenus li h1{
    font-size: 2.5rem;
    color: #22252e;
    letter-spacing: 1px;
    font-weight: 700;
    margin-bottom: 0.5em;
    text-align: center;
}

.section_4 #contenus li p{
    text-align: center;
    font-size: 1.8rem;
    color: #777474;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 500px;
}

#contenus li p#text-nav-bot{
    margin-bottom: 1em;
    width: 100%;
}


#contenus li #point{
    margin-bottom: 0.2em;
}

#contenus li p i{
    font-size: 2rem;
    margin-right: 0.2em;
}

#contenus .text-nav-bot{
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    margin-bottom: 1em;
}

#contenus .text-nav-bot p{
    margin-left: 1.5em;
}



/* OTHERS */


.clearfix:before,
  
.clearfix:after {
     content: " "; 
    display: table;
}
  
.clearfix:after {
    clear: both;
}
  
.clearfix {
    zoom: 1;
}

.nav-top:before{
    height: 120px;
    display: block;
    content: '';
}

.nav-top-orien:before{
    height: 80px;
    display: block;
    content: '';
}

/* SECTION 5 */

.section_5{
    width: 100%;
    height: 10em;
    background-color: #ae85fe;
    clip-path: polygon(100% 100%, 100% 0, 45% 100%);
}


/* FOOTER */

footer{
    width:100%;
    height: 2em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #a7a7a733;
    background-color: white;
}

footer .name_footer{
    display: flex;
    background-color: white;
    opacity: 0;
    transition: 0.5s;
}

footer .name_footer:hover{
    opacity: 2;
}

footer .name_footer i{
    color: #ae85fe;
}

footer #NSI {
    margin-right: 1em;
}

footer .name_footer{
    margin-left: 1em;
}