body {

  margin: 0;

  font-family: "Questrial", sans-serif;



}

*,*:before,*:after {

	box-sizing:inherit;margin:0; padding:0; border:0 none; position: relative;}

html {

    background: #313A3D;

    box-sizing:border-box;

    font-family: 'Questrial', sans-serif;

    

    color: #000;

}



	

    body > article {

        display: flex;

        flex-wrap: wrap;

    }

    article figure {

        background: #eee;

        width: calc( 50% + 1px);

        height: 100vh;

        margin: 0 auto 10vh 0;

        position: sticky;

        top: 0;

        overflow: hidden;

        box-shadow: 4px -4px 8px rgba(0,0,0,.4);

            }

    article figure::after {

        content: '';

        position: absolute;

        top: 5vmin;

        right: 5vmin;

        bottom: 5vmin;



        pointer-events: none;

            }

    figure:nth-of-type(2n)::after {


        left: 5vmin;

    }

	.arrow-link {

  display: inline-block;

  position: relative;

}

.arrow-link > .arrow-link__icon {

  position: absolute;

  margin-top: 8px;

  margin-left: 3px;

  will-change: transform;

  transition: -webkit-transform 0.5s ease-in-out;

  transition: transform 0.5s ease-in-out;

  transition: transform 0.5s ease-in-out, -webkit-transform 0.5s ease-in-out;

}

.arrow-link > .arrow-link__text {

  position: relative;

  display: inline-block;

  margin-top: 15px;

  margin-left: 40px;

}

.arrow-link:hover > .arrow-link__icon, .arrow-link:focus > .arrow-link__icon {

  -webkit-transform: translateX(5px);

          transform: translateX(5px);

}



    article section {

        background: #e5e5e5;

		background: url("../image/wood.jpg");

    background-repeat: repeat;

        width: calc(50% + 1px);

        height: 100vh;

        margin: 0 0 10vh auto;

        position: sticky;

        top: 0;

        // overflow: hidden;

        padding: 5vmin;

        box-shadow: -4px -4px 8px rgba(0,0,0,.4);

            }

    article figure:nth-of-type(1),

    article section:nth-of-type(1) {

        margin: 0 0 10vh 0;

        width: 50%;

            }

    article figure:nth-of-type(2n) {

        margin: 0 0 10vh auto;

        box-shadow: -4px -4px 8px rgba(0,0,0,.4);

            }

    article section:nth-of-type(2n) {

        margin: 0 auto 10vh 0;

        box-shadow: 4px -4px 8px rgba(0,0,0,.4);

        }

    article figure:last-of-type,

    article section:last-of-type {

        margin-bottom: 0;

    }

    article section::before {

        background: inherit;

        z-index: 1;

        content: '';

        position: absolute;

        top: 50%;

        left:0;

        width: 7vmin;

        height: 7vmin;

        transform: translate(calc(-50% + 1px), -50%) rotate(-45deg);

        clip-path: polygon(-15% -15%, 110% 0%, 0% 110%);

        box-shadow: -4px -2px 8px rgba(0,0,0,.4);

        border-radius: 1.5vmin 0 0 0;

    }

    article section:nth-of-type(2n)::before {

        left:auto;

        right: 0;

        transform: translate(calc(50% - 1px), -50%) rotate(-45deg) scale(-1);

    }

    article section::after {

        content: '';

        position: absolute;


        outline-offset: -5vmin;

        backdrop-filter: invert(1);

        pointer-events: none;

    }

    article section:nth-of-type(2n):after {

        right: 5vmin;



    }

    article figure img {

        min-width: 100%;

        min-height: 100%;

        object-fit: cover;

        object-position: center;

	}





    article section > div {

        display: flex;

        flex-direction: column;

        align-items: center;

        height: 100%;

        padding: 1rem;

    }

    article h1,

    article h2 {

        margin: 15% 0 auto;

        font-size: calc(4vmin + 2vmax);

        text-align: center;

        font-weight: 700;

        line-height: 1;

        word-spacing: .5rem;

    }

    article p {

        text-align: right;

        width: 100%;

        font-weight: 400;

        font-size: calc(1.5vmin + 1.75vmax);

        margin-bottom: 5%;

    }

    article a {

        color: transparent;

        -webkit-text-stroke: 2px #212121;

        text-decoration: none;

    letter-spacing: 2px;

	text-align: right;

        width: 100%;

        font-weight: 400;

        font-size: calc(1.5vmin + 1.75vmax);

        margin-bottom: 5%;

    }

	

	nav {

		position:fixed;

		z-index:3;

		background: rgba(0,0,0,0.2);

    display: flex;

    height: 100%;

    justify-content: center;

    text-align: center;

    width: 100%;

	height:10vh;

}

nav a {

	transition-property: all;

  transition-duration: .6s;

  transition-timing-function: ease;

    text-decoration: none;

    letter-spacing: 0px;

	font-size: calc(1vmin + 1.5vmax);

	color: #fff;

	margin:auto;

    width: 100%;

}



nav .sel:hover,

nav .sel:active {

  letter-spacing: 5px;

}



nav .sel:after {

  backface-visibility: hidden;

  border-bottom: 2px solid rgba(255, 255, 255, 0);

  bottom: 0px;

  content: " ";

  display: block;

  margin: 0 auto;

  position: relative;

  transition: all 280ms ease-in-out;

  width: 0;

}



nav .sel:hover:after {

  backface-visibility: hidden;

  border-color: #fff;

  transition: width 350ms ease-in-out;

  width: 70%;

}





 /* ---- particles.js cont1ainer ---- */ 

 #particles-js{ position:absolute;

 

 width: 100%;

 height: 100%; 

 background-color: #dc0a19; 

 background-image: url("../image/PcbBleu.png");

 background-repeat: no-repeat;

 background-size: cover;

 background-position: 50% 50%;

 } 





.centrer>img

{

  /*

  Bounce 

  -webkit-animation: loader 2.5s infinite cubic-bezier(0.5, -0.5, 0.75, 1.25);

  */

  margin: 50px 0;

  display: block;

  width: 147px;

  height: 116px;

}



.centrer {

  width: 100%;

  height: 100vh;

  Position:fixed;

  z-index:99999;

  display:flex;

  background: #fff;

  justify-content:center;

  align-items:center;

}

#top{

	z-index: 999;

    position: fixed;

    bottom: 20px;

    right: 20px;

    background: rgb(0, 0, 0);

    background: rgba(0, 0, 0, 0.7);

    width: 50px;

    height: 50px;

    display: block;

    text-decoration: none;

    -webkit-border-radius: 35px;

    -moz-border-radius: 35px;

    border-radius: 35px;

    display: none;

    -webkit-transition: all 0.3s linear;

    -moz-transition: all 0.3s ease;

    -ms-transition: all 0.3s ease;

    -o-transition: all 0.3s ease;

    transition: all 0.3s ease;

}

#top i{

    color: #fff;

    margin: 0;

    position: relative;

    left: 16px;

    top: 13px;

    font-size: 19px;

    -webkit-transition: all 0.3s ease;

    -moz-transition: all 0.3s ease;

    -ms-transition: all 0.3s ease;

    -o-transition: all 0.3s ease;

    transition: all 0.3s ease;

}

#top:hover{

    background: rgba(0, 0, 0, 0.9);

}

#top:hover i{

    color: #fff;

    top: 5px;

}

.slick-dots {

  position: fixed;

  z-index: 100;

  width: 40px;

  height: auto;

  bottom: auto;

  top: 50%;

  right: 0;

  -webkit-transform: translateY(-50%);

          transform: translateY(-50%);

  left: auto;

  color: #fff;

  display: block;

}

 .slick-dots li {

  display: block;

  width: 100%;

  height: auto;

}

.slick-dots li a {

  position: relative;

  cursor:pointer;

  color:transparent;

  font-size:0px;

  width: 20px;

  height: 15px;

  text-align: center;

    font-size: 0;

    line-height: 0;

    display: block;



    padding: 5px;

    cursor: pointer;

    color: transparent;

    border: 0;

    outline: 0;

    background: 0 0;



}

.slick-dots li.noir a:before {

	background: #fff!important;

  color: #fff!important;

}

.slick-dots li a:before {

  content: '';

  background: #000;

  color: #000;

  height: 2px;

  width: 20px;

  border-radius: 0;

  position: absolute;

  top: 50%;

  right: 0;

  left: auto;

  -webkit-transform: translateY(-50%);

          transform: translateY(-50%);

  transition: all .3s ease-in-out;

  opacity: 0.6;

}

.slick-dots li.slick-active a:before {

  width: 40px;

  opacity: 1;

}



.demo a {

  position: absolute;

  bottom: 20px;

  left: 50%;

  z-index: 2;

  display: inline-block;

  -webkit-transform: translate(0, -50%);

  transform: translate(0, -50%);

  color: #fff;

  font : normal 400 20px/1 'Questrial', sans-serif;

  letter-spacing: .1em;

  text-decoration: none;

  transition: opacity .3s;

}

.demo a:hover {

  opacity: .5;

}

.mostly-customized-scrollbar {





}