* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* Color scheme */
  --textcolor: #black;
  --bgcolor: #fff;
  --highlight: #black;
  --padding: 2em;
}

/* ------- General ------- */
a {
  text-decoration: none;
  color: var(--highlight);
}

a:hover {
--highlight: #505050;
}


span.link {
  font-family: Bold, sans-serif;
  line-height: 1.4;
  color: #black;
  cursor: pointer;
}


body {
  font-size: 0.9em;
  font-family: Arial, sans-serif;
  line-height: 1.4;
  color: var(--textcolor);
  background: var(--bgcolor);
  position: relative;
  margin: 0 auto;
}




/* ------- Header ------- */
header {
  padding: var(--padding) calc(var(--padding)*2) 0 calc(var(--padding)*2);
  display: flex;
  justify-content: space-between;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 3;
  align-items: center;
}

header h1 {
  font-size: 1em;
}

footer img {
  height: 1.4em;
}

footer{
padding: 0  calc(var(--padding)*2) var(--padding) calc(var(--padding)*2);
position: fixed;
 bottom:0;
 z-index: 1000;


}

nav {
  display: flex;
  flex-direction: column;
  z-index: 2;
  position: fixed;
  padding: calc(var(--padding)*3) var(--padding) 0 calc(var(--padding)*2);
  width: 20vw;
}

nav:target{
  /*color: red;*/
}

main {
  overflow: scroll;
  height: 100vh;
  position: relative;
}


nav a {
  width: max-content;
  margin-bottom: 1.4em;
  /* si tu mets un margin top, après la navigation n'est plus alignée avec la grille d'image */

}

/* ------- Sections ------- */
section {
  position: absolute;
  padding: calc(var(--padding)*3) calc(var(--padding)*2) calc(var(--padding)*2) var(--padding);
  width: 80vw;
  left: 20vw;
  background: var(--bgcolor);
  min-height: 100vh;
}

section, section:target ~ #insitu  {
  display: none;
}
#insitu, section:target {
  display: block;
}


img, svg, video, audio {
  display: block;
  max-width: 100%;
  height: auto;
  fill: currentColor;
}

/* ------- Images Grid ------- */
.grid {
  display: grid;
  grid-gap: 1vmin;
  /*grid-template-columns: repeat(var(3, auto-fill), minmax(300px, 1fr));*/
  grid-template-columns: repeat(auto-fit, minmax(min(100%/1, max(300px, 100%/4)), 1fr));
  grid-auto-flow: dense;
  background-color: var(--bgcolor);
  align-items: start;
}

.grid a {
  position: relative;
  border: 0;
}

.grid a:hover {
  transform: scale(.975);
}

/* For a square ratio */
.grid a:before {
  content: "";
  display: block;
  padding-top: 100%;
}

.grid a img {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ------- Lightbox ------- */

.arrows {
  display: none;
}

.arrows.show{
  display: block;
  position: fixed;
  font-size: 2em;
  font-weight: 200;
  line-height: 0;
  bottom: .75em;
  right: .5em;
  z-index: 4;
  display: flex;
  cursor: pointer;
}

.disable{
  opacity: 0.5;
  cursor: default;

}

.lightbox {
  display: none;
  color: var(--textcolor);
}

.lightbox a{
  display: none;

}

.lightbox:target {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  background: var(--bgcolor);
  border: 0;
  z-index: 3;
}

.projet {
  padding: var(--padding) var(--padding) var(--padding) var(--padding);
  display: flex;
  flex-direction: row;
  overflow: auto;
  width: 100%;
}


.lightbox:target:after { /* × to close */
  content: "\00D7";
  position: fixed;
  font-size: 2em;
  font-weight: 200;
  line-height: 0;
  top: .75em;
  right: .5em;
  z-index: 4;
  cursor: pointer;
}


.image-container img:last-child{
  padding-bottom: var(--padding);
}

.texte-container {
  padding: 0 var(--padding) 0 var(--padding);
  left: 0;
  top: 20vh;
  align-self: start;
  position: sticky;


  /* height: 100%; */
  /*- vh une unité comme un pourcentage 100 = hauteur de la page - */
}



.texte-container article p{
  font-family: 'Helvetica';
  font-weight: 100;

}


/*- titre ----- */
.texte-container .titre{
  font-size: 1em;
  color: var(--highlight);
  margin-bottom: 0.5em;
}


/*- il n'y a que l'élément qu'on change qu'on réécrit- */
.texte-container .français .titre{
  font-size: 1em;

}

.texte-container > .français, .texte-container > .anglais{
  min-width: 300px;
  max-width: 500px;
  padding-right: var(--padding);

}

.texte-container > .français{


}

.texte-container > .anglais{

}

/*- sous-titre ----- */
.texte-container .sous-titre{
  margin-bottom: 1em;
}

/*- titre ----- */
.texte-container .description{
  margin-bottom: 1em;
    line-height: inherit;
}

.texte-container article{
  margin-bottom: 10em;
}


.texte-container article p{
  margin-bottom: 0.3em;
}

.lightbox{
  cursor: auto;
}

.lightbox img, .lightbox video {
  z-index: 4;
  max-width: clamp(20vw, 50vw, 800px);
  /* object-fit: cover; */
}


/* ------- Smaller screens ------- */

@media only screen and (max-width: 680px) {
 * {
    --padding: 1em;
  }

  header{
  	padding: var(--padding) var(--padding) 0 var(--padding);

  }

  footer{
  	  	padding: 0 var(--padding) var(--padding) var(--padding);

  }

   nav {
    width: 100%;
    padding: calc(var(--padding)*3) var(--padding) 0 var(--padding);
    flex-direction: row;
  }

  nav a {
    padding: 0 var(--padding) 0 0;
  }


  section {

    padding: calc(var(--padding)*5) calc(var(--padding)*3);
    left: 0;
    width: 100vw;

  }

  .projet {
    flex-direction: column-reverse;
    padding: calc(var(--padding)*5) calc(var(--padding)*3);

  }

  .projet .texte-container {
    position: relative;
  }

  .lightbox img, .lightbox video {
    max-width: 100%;
}

  .image-container img:last-child{
    padding-bottom: 0;
  }

  .image-container img:first-child{
    padding-top: var(--padding);
  }*/
  /* *{
    font-size: 0.5em;
  } */

  /* Fix for older webkit versions
}