html {
    scroll-behavior:smooth;
    width: 100%;
    overflow-x: hidden;
}

body {
    margin:0;
    font-family: 'Zen Kaku Gothic Antique', sans-serif;
    overflow-x: hidden;
}


html::-webkit-scrollbar-track {
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    background-color:#fff
}

html::-webkit-scrollbar {
    width: 12px;
    background-color:#fff
}

html::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow: inset 0 0 6px transparent;
    background-color:#e6e6e6
}
body{ 
    text-align: center;
}
h1, h2, h3 {
    font-family: 'Zen Kaku Gothic Antique', sans-serif;
}
h1{
    font-weight: bold;
    color: #D8C9BF;
    font-size : 50px;
    line-height: 1em;
}
h3{
    font-weight: normal;
    font-size : 25px;
}
.header-1{
    background-color: #90BCB3;
    width: 100%; 
    padding: 1%;
    font-weight: bold;
}
.header-1 p{
    margin: 0;
    color: #fff;
}
.header-2{
    background-color: #F7F7F7;
    width: 100%;
    padding: 1%;
}
.header-21{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo{
    width: 200px;
    height: 80px;
    margin-left: 4%;
}
.header-21 a{
    padding-right: 8em;
}
.btn1{
    height: 2.5em;
    width: 6em;
    border-radius: 15px;
    background-color: #90BCB3;
    color: #fff;
    border: 2px solid #4F6270;
    font-weight: bold;
    cursor : pointer;
}
nav{
    padding-left: 0;
}
nav ul,.infos-footer{
    padding-top: 1%;
    margin:0;
    display: flex;
    align-items: center;
    justify-content: space-around;
    color: #D8C9BF;
    
}
nav li:first-child{
    font-weight: bold;
}
a{
    text-decoration:none;
    color: inherit;
    transition:0.3s
}
li{
   list-style:none; 
}
section{
    padding-bottom: 2em;
    padding-top: 2em;
}
.section-1{
    padding-top: 4em;
    padding-bottom: 4em
}
.section-2{
    background-color: #E7E5E4;
    color: #fff;
}
.section-2 ul, .section-contact ul{
    margin: 2em;
    display: grid;
    padding-left: 0;
    grid-template-columns: repeat(3, 1fr);
    text-align: start;
    align-items: center;
    margin: auto;
}
.section-2 li{
    height: 80%;
    width: 80%;
    margin: auto;
    box-shadow: 30px 25px 2em rgb(0, 0, 0,0.4);
    
}
.section-2 li img{
    object-fit: cover;
    height: 100%;
    width: 100%;
}
.btn2{
    width: 10em;
    margin: 2em;
}
.section-grid{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    text-align: start;
}
.section-3, .section-swf{
    background-color: #F7F7F7;
}
.grid{
    padding: 2em;
}
.grid-2{
    margin: auto;
}
.infos-footer{
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}
footer section{
    padding: inherit;
    padding-bottom: 1em;
}
.section-sinsim, section-software{
    background-color: #fff;
    
}

.section-contact ul{
    padding-top: 5em;
    padding-bottom: 5em;
    margin-right: 0;
    margin-left: 0;
    background-color: #F7F7F7;
}
.section-contact li div{
     height: 80%;
    width: 80%;
    margin: auto;
    align-items: center;
}
.section-contact li div{
    margin: auto;
    text-align: center;
}
.section-contact li h3{
    margin-bottom: 0;
}
.section-contact li p{
    margin-top: 2%;;
}
.section-mentions-legales p {
    padding-right: 5em;
    padding-left: 5em;
}

/*rendre le site responsive;*/
@media all and (max-width: 800px) {
    html {
    width: 100vh;
}
    .section-grid{
    grid-template-columns: repeat(1, 1fr);
} 
    .element-description{
    grid-row: 1;
}
.element-video{
    grid-row: 2;
}
    @media (orientation: landscape) {
       html {
    width: 100%;
}
    .section-grid{
    grid-template-columns: repeat(1, 1fr);
} 
    .element-description{
    grid-row: 1;
}
}