body{
	margin: 0;
	background:white ;
}

.txt_rouge{color: red;font-weight: bold;}
.txt_jaune{color: gold;font-weight: bold;}

ul{
	margin: 0;
	padding: 0;
}



header{
}

#presentation{
	position: relative;
	height: 100vh;
	top: 0;

}
h1{
	text-align: center;
	margin-bottom: 10vh;
	font-size: 3em;
}

h2{
	padding: 0;
	margin: 0;
	text-align: center;
	font-size: 2.5em;
}


h3{
	text-align: center;
	font-size: 2em;
}

p {
	margin: 0;
}

nav{
	font-size: 20px ;
	top: 0;
	left: 0;
	z-index: 1;
	position: fixed;
	display: flex;
	align-items: center;
	justify-content: space-around;
	flex-direction: row-reverse;
	background: #000000;
	width: 100%;

}

.button {
	width: 9.5em;
	height: 2.3em;
	margin: 0.5em;
	background: rgb(255, 0, 0);
	color: rgb(0, 0, 0);
	border: none;
	border-radius: 1.625em;
	font-size: 20px;
	font-weight: bold;
	cursor: pointer;
	position: relative;
	z-index: 1;
	overflow: hidden;
}
   
.button:hover {
	color: rgb(255, 0, 0);
}

.button:after {
	content: "";
	background: rgb(0, 0, 0);
	position: absolute;
	z-index: -1;
	left: -20%;
	right: -20%;
	top: 0;
	bottom: 0;
	transform: skewX(-45deg) scale(0, 1);
	transition: all 0.5s;
}
   
.button:hover:after {
	transform: skewX(-45deg) scale(1, 1);
	-webkit-transition: all 0.5s;
	transition: all 0.5s;
}


#icone{
	height: 7vh;
	width: 7vw;
}


main{
	display: flex;
	flex-direction: column;
}

#background-video{
	filter: blur(3px);
	height: 100vh;
	width: 100vw;
	object-fit: cover;
	position: fixed;
	left: 0;
	right: 0;
	top: 0;
	z-index: -5;
}




#btn_up{
	background-color: white;
	border-radius: 50px;
	position: fixed;
	right: 2vw;
	bottom: 2vh;
	height: 4vh;
	width: 4vh;

	transition: transform ease 1s;
}

#btn_up:hover{
	transition: transform ease 0.4s;
	transform: scale(1.5);
}
nav li{
	display: inline-block;
}

.page{
	list-style-type: none;
	text-decoration: none;
	color: rgb(255,255,255);

}
.page p{
	margin-right: 10vh;
	color: rgb(255,0,0);
	transition: color linear 0.7s;

}

.page p:hover{
	color: gold;
	transform: scale(1.3,1.3);
	transition: transform cubic-bezier(0,0.6,0.4,1.03) 1s;


}
.page p:not(:hover){transition: color linear 0.7s;transition: transform ease 0.4s ;}

#page_courante p{
	font-size: 1.4em;
	color: rgb(0,255,25);
}








main p{
	font-size: 25px;
}


#img_gauche_txt_droite{

	display: flex;
	flex-direction: row-reverse;
	justify-content: space-around;
	align-items: center;
	padding-bottom: 20vh;

}



#img_gauche_txt_droite p{
	background-color: rgba(250,250,250,0.2);
	backdrop-filter: blur(10px);
	border-radius: 30px;
	width: 40%;
	padding: 1%;
}


#img_droite_txt_gauche{
	display: inline-flex;
	flex-direction: row;
	justify-content: space-around;
	align-items: center;
	padding-bottom: 20vh;
}


#img_droite_txt_gauche p{
	background-color: rgba(250,250,250,0.2);
	backdrop-filter: blur(10px);
	border-radius: 30px;
	padding: 1%;
	width: 40%;
}



.img_main{
	backdrop-filter: blur(10px);
	height: 20rem;
	width: 25rem;
	border-radius: 15px;
	transition: transform ease 0.4s;
	filter: saturate(0.2);
}

.img_txt:hover .img_main{
	box-shadow: 0 40px 60px rgba(150,0,0,0.7);
	transform: scale(1.2,1.2);
	transition: transform ease 0.8s;
	filter: saturate(1);
}

#img_gauche_txt_droite:not(:hover) p{
	background-color: rgba(150,150,150,0.4);
}

#img_droite_txt_gauche:not(:hover) p{
	background-color: rgba(150,150,150,0.4);
}



#fond_2{
	z-index: -1;
	backdrop-filter: blur(10px);
	text-align: center;
	display: block;
	flex-direction: column;
	background-color: rgba(0, 0, 0, 0.5);
	color: white;
	padding-bottom:20%;
}





















footer{
	display: flex;
	padding: 2%;
	align-items: center;
	flex-direction: row-reverse;
	justify-content: space-around;
	background-color: #00010c;
	color: white;
}


footer #reseaux li{
	list-style-type: none;
	text-decoration: none;
	display: inline-block;
}
footer #reseaux p{
	
	padding-left: 15px;
	font-size: 25px;
}

footer #reseaux li img{
	width: 3vw;
	height: 3vh;
}

footer #reseaux li img:not(:hover){
	transition: transform linear 0.5s;
	opacity: 50%;
}
footer #reseaux li img:hover{
	transition: transform linear 0.2s;
	transform: scale(1.5);
}



footer #autres a{
	color:white ;
	list-style-type: none;
	text-decoration: none;
}


footer #coordonne p{
	margin-bottom: 1rem;
}