body{
    padding: 0;
    margin: 0;
    font-family: 'Archivo', sans-serif;
    background-color: #E0E8EE;
    box-sizing: border-box;	
    font-size: 16px;
}

html {
	scroll-behavior: smooth;
}

p{
    grid-column: 1/-1;
    margin-bottom: 23px;
    margin-top: 0;
    line-height: 140%;
}

.nav-horizontal {
    display: flex;
    background-color: #0A2F64;
    padding: 5px;
}

.img--nav{
    width: 20%;
    height: 20%;
    padding-top: 15px;
    padding-left: 25px;
}
.img--header{
    width: 100%;
}
.nav-vertical {
    display: flex;
    flex-direction: column;
    position: fixed;
    right: 0px;
    top: 50%;
    transform: translate(85%,-50%);
    transition:all 0.7s;
    z-index: 10;
    background-color: #0A2F64;
    padding: 10px;
    border-radius: 10px;
}

.nav-vertical:hover{
    transform: translate(0%,-50%);
}

.nav-vertical a{
    font-weight: 600;
    text-decoration: none;
    color:#E0E8EE;
    background-color: #0A2F64;
    transition: all 0.3s;
    padding: 5px;
}

.nav-vertical a:hover{
    color:rgb(255, 118, 69);
}


.title{
    line-height: 105%;
    font-size: 23px;
    font-weight: 600;
}

.title--big {
    text-align: center;
    font-size: 33px;
    font-weight: bold;
    color: #0A2F64;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 600px;
    word-wrap: break-word;
    /*force le titre à rester sur une ligne - utilisation ChatGPT*/
}

.title--col1{
    grid-column: 1/-1;
}

.title--col2{
    grid-column: 2/-1;
}
.title--col3{
    grid-column: 3/-1;
}

.img--header{
    grid-column: 1/-1;
    width: 100%;
}

.p--col2col8{
    margin: 0;
}

.img--pos{
    grid-column: 1/-1;
    width: 100%;
    margin-bottom: 23px;
}

.section--color1{
    color: #0A2F64;
}

.section--color2{
    color: #21508d;
}

.img--analyse{
    width: 50%;
    grid-column: 1/-1;
    margin-bottom: 23px;
    justify-self: center;
}
.p--chiffre{
    font-size: 119px;
    align-items: center;
    font-weight: 500;
    grid-column: 1/-1;
    text-align: center;
    margin: 0;
    background: linear-gradient(0.25turn, #196DD9, #0D3A73);
    background-clip: text;
    color: transparent;
}

.p--commun1{
    font-size: 20px;
    font-weight: 600;
}

.problemes-container {
    grid-column: 1/-1;
}

.problemes-container ul {
    grid-column: 1/-1;
    margin-bottom: 12px;
}
.viewer{
    grid-column: 1/-1;  
    cursor: pointer;
}

/* footer footer footer footer footer footer footer footer footer footer footer footer footer footer footer footer footer footer footer footer footer*/
footer{
    display: grid; 
    column-gap: 16px;
    background: linear-gradient(0.25turn, #196DD9, #0D3A73);
    height: 300px;
    margin-top: 25px;
    clip-path: polygon(0% 0%, 100% 5%, 100% 100%, 0% 100%);
}

.footer__liste{
    vertical-align: auto;
    list-style: none;
    grid-column: 1/-1;
    padding: 0;
    margin-top: 20px;
}

.footer__el{
    margin-bottom: 16px;
    color: white;
}

.backToTop {
    grid-column: 5/-1;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #0056b3;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: opacity 0.3s, transform 0.3s;
    display:  flex;
}

.backToTop:hover {
    background-color: #032142;
    transform: scale(1.1);
}

.backToTop svg {
    width: 24px;
    height: 24px;
    fill: white;
}
.img--heaj{
    grid-column: 1/3;
    grid-row: 2/-1;
    width: 100%;
    cursor: pointer;
    transition: opacity 0.3s transition 0.3s;
    filter: brightness(0) saturate(100%) invert(100%) sepia(98%) saturate(7%) hue-rotate(124deg) brightness(103%) contrast(102%);
}
.img--heaj:hover{
    filter: none;
    opacity: 1;
}

.img--heaj img{
    width: 100%;

}


.gridcol {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(4, auto);
    column-gap: 16px;
    padding-left: 32px;
    padding-right: 32px;
}

@media (min-width: 580px) {

.gridcol {
    padding-left: 80px;
    padding-right: 96px;
}

}

@media (min-width: 780px) {

body{
    font-size: 20px;
}

p{
    margin-bottom: 42px;
}
.img--nav{
    width: 10%;
    margin-bottom: 10px;
}
.title--big{
    font-size: 63px;
}
.section{
    margin-bottom: 78px;
}
.section--presentation{
    margin-bottom: 0;
}
.img--pos{
    grid-column: 2/-2;
}
.p--chiffre{
    font-size: 199px;
}
.p--probleme{
    margin-bottom: 0;
}
.problemes-container{
    font-size: 20px;
}

.footer__liste{
    grid-column: 3/-2;
    justify-content: center;
}

.footer__el{
    margin-bottom: 15px;
    font-size: 20px;
}

.img--heaj{
    grid-column: 1/2;
    grid-row: 1/-1;
    margin-top: 22px;
}

.foot{
    align-content: center;
}

.backToTop {
    grid-column: 7/-1;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #0056b3;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: opacity 0.3s, transform 0.3s;
    display:  flex;
    margin-top: 20px;
}
.gridcol {
    grid-template-columns: repeat(7, 1fr);
    column-gap: 20px;
    padding-left: 120px;
    padding-right: 120px;
}

}

@media (min-width: 1250px) {

    main {
        max-width: 1250px;
        margin: 0 auto;
        width: 100%;
    }
 

    .title{
        font-size: 47px;
    }
    .title--big{
        font-size: 84px;
        left: 50%;
        margin-top: 15%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 2500px;
        word-wrap: break-word;
        /*force le titre à rester sur une ligne - utilisation ChatGPT*/
    }

    .p--col2col6{
        grid-column: 2/6;
    }
    .img--contexte{
        grid-column: 6/-1;
        grid-row: 2/5;
        margin-bottom: 0;
    }
    .p--col3col6{
        grid-column: 3/-2;
    }
    .p--col3col7{
        grid-column: 3/-1;
    }
    .img--analyse{
        padding-top: 100px;
        grid-column: 1/3;
        grid-row: 2/6;
        width: 100%;
        margin: 0;
    }
    .p--col4col8{
        grid-column: 4/-1;
    }
    .p--chiffre{
        grid-column: 1/4;
        z-index: 10;
        grid-row: 6/-1;
    }
    
    .p--col1col5{
        grid-column: 1/5;
    }
    .p--col1col6{
        grid-column: 1/-3;
        font-weight: 600;
    }

    .img--repartition{
        grid-column: 1/4;
        margin: 0;
        grid-row: 2/4;
    }

    .img--photo1{
        grid-column: 6/-1;
        grid-row: 2/4;
    }
    .img--photo2{
        grid-column: 1/4;
        grid-row: 4/5;
        width: 100%;
    }
    .img--plan2d{
        grid-column: 5/-1;
        grid-row: 4/6;
    }

    .problemes-container{
        grid-column: 2/-1;
    }
    .p--col2col8{
        grid-column: 2/-1;
        margin: 0;
    }
    .p--conclusion{
        grid-column: 3/-2;
    }
    footer{
        height: 350px;
        margin: 0;
        clip-path: polygon(0% 0%, 100% 15%, 100% 100%, 0% 100%);

    }
    .footer__liste{
        grid-row: 2/-1;
    }
    .backToTop{
        grid-row: 2/-1;
    }
    .img--heaj{
        grid-row: 2/-1;
        grid-column: 1/1;
    }
    .img--heaj img{
        width: 75%;
    }
    .gridcol {
        grid-template-columns: repeat(7, 1fr);
        grid-template-rows: repeat(10, auto);
        column-gap: 20px;
        padding-left: 120px;
        padding-right: 120px;
    }

    .gridpc {
        display: grid;
        grid-template-columns: repeat(7, 1fr);
        grid-template-rows: repeat(10, auto);
        column-gap: 20px;
        padding-left: 60px;
        padding-right: 60px;
    }
}