body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
  //color: #333;
}

a {
	text-decoration : none;
	//color: black;
	color: #1a73e8; // le bleu d'origine
}

header {
  /*background-color: #222;*/
  /*background: linear-gradient(rgb(2,62,81), rgb(13,118,153));*/
  background-color: rgb(2,62,81);
  color: white;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

mark {
  /*background-color: #fff176;*/
  background-color: #fff9b0;
  /*color: black;
  padding: 0 2px;
  border-radius: 2px;*/
}

/* pour la page fiddle... */
#content {
  display: none; /* caché par défaut */
}



/* Barre de Navigation */

#nav_haute {
	width: auto;
	max-width: 900px;
	margin: auto;
	margin-bottom: 0px;
	padding: 0px 10px 5px 10px;
	color: white;
	display: flex;
	justify-content: center; /* <-- Centre les éléments enfants */
}

.navh_bouton {
	padding-right: 10px;
	margin-right: 10px;
}

.navh_bouton a {
	color: white;
	/*text-decoration: none;*/
}







/* Barre de Navigation Secondaire*/

#nav_secondaire {
	background: rgb(13,118,153); /*rgb(2,62,81);*/
	width: auto;
	max-width: 900px;
	margin: auto;
	margin-bottom: 20px;
	/*padding: 0px 10px 5px 10px;*/
	padding: 10px;
	color: white;
	display: flex;
	border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	/*justify-content: center; <-- Centre les éléments enfants */
}

/*

.navh_bouton {
	padding-right: 10px;
	margin-right: 10px;
}

.navh_bouton a {
	color: white;
}



*/






.container {
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

article {
  background-color: #fff;
  margin-bottom: 30px;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

article h2 {
	color:rgb(13,118,153);
	margin-top: 0;
}

article h3 {
	color: #006600; /*vert*/
	color: rgb(2,62,81); /*bleu plus foncé*/
	color:rgb(13,118,153); /*bleu plus clair*/
	margin-top: 10;
	margin-bottom: 0;
}



article time {
  color: #777;
  font-size: 0.9em;
}

footer {
  /*background-color: #222;*/
  background: rgb(2,62,81);
  color: white;
  text-align: center;
  padding: 15px 10px;
  font-size: 0.9em;
  margin-top: 50px;
}

@media (max-width: 600px) {
  header,
  .container,
  footer {
    padding: 15px;
  }
}



.youtube-icon {
	display: block;
	/*margin: 10px auto;*/
	
	width: 40px;
}





.video-container {
  width: 100%;
  max-width: 450px;
  aspect-ratio: 16/9;
  border-radius: 16px;
  overflow: hidden;
  margin-top: 10px; /* centré automatiquement */
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
}

/* Format vidéo classique (4:3) */
.video-container.ratio-4-3 {
  aspect-ratio: 4/3;
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* style responsive bien ciblé */
@media (max-width: 600px) {
  .video-container {
    border-radius: 20px;
    box-shadow: 0 0 4px rgba(0,0,0,0.1);
    max-width: 100vw; /* empêche tout dépassement */
  }
}

@media (min-width: 1200px) {
  .video-container {
    box-shadow: 0 0 16px rgba(0,0,0,0.25);
  }
}





/* Navigation bas de page*/


#nav_basse{

	width:auto;
	max-width:1000px;
	/*background-color:rgb(225,115,0);*/
	background-color:white;
	margin:auto;
	margin-top:0px;
	
	
	padding: 10px 10px 10px 10px;
	/*height:100px;*/
    /*line-height: 100px;*/
	
	
	
	
	/*color:white;*/
	/*font-family:Verdana;*/
	display:flex;
	
}
#navb_bouton{
	width:33%;
	/*padding-right: 10px;*/
	/*margin:auto;*/
	text-align:center;
	
}
#navb_bouton a{
	color:black;
	
}
#navb_img{
	width: 100%;
	max-width:150px;
	height: auto;
}