diff --git a/index.html b/index.html
index b202392..c742b80 100644
--- a/index.html
+++ b/index.html
@@ -19,6 +19,7 @@
 		<link href="./styles/elements/projects.css" type="text/css" rel="stylesheet">
 		<link href="./styles/elements/cv.css" type="text/css" rel="stylesheet">
 		<link href="./styles/elements/infos.css" type="text/css" rel="stylesheet">
+		<link href="./styles/elements/language.css" type="text/css" rel="stylesheet">
 	</head>
 
 	<!--
@@ -33,15 +34,15 @@
 
 	<body id="body">
 
-		<!--
-			maybe move this outside, so that i can change my mind to put it or not wihtout having to change the grid rows height ?
-			or else, if all rows can be the same, like 1fr or auto, it will also works
-		-->
+
+		<div class="language">
+			<input type="checkbox" id="language">
+			<label for="language"><span id="fr">fr</span><span id="en">en</span></label>
+		</div>
+
 		<div id="top_banner" class="banner banner_size_0 banner_speed_50 banner_reverse grid_full_width" aria-label="banner delimitation in ASCII art"></div>
 
 
-
-
 		<!--
 			HERO SECTION
 		-->
@@ -78,40 +79,112 @@
 
 			<details class="cv margin_top_big">
 				<summary>
-					<h2 class="close">voir le CV</h2>
-					<h2 class="open">cacher le CV</h2>
+					<h2 class="close">
+						<span class="fr">voir le CV</span>
+						<span class="en">see the CV</span>
+					</h2>
+					<h2 class="open">
+						<span class="fr">cacher le CV</span>
+						<span class="en">hide the CV</span>
+					</h2>
 				</summary>
-				<a id="cv_download" class="margin_bottom_big" href="docs/hugo_lamy_cv_2024.pdf" target="_blank" rel="noopener noreferrer" title="link to a pdf version of this section CV">télécharger en pdf</a>
-				<h2>COMPÉTENCES</h2>
+				<a id="cv_download" class="margin_bottom_big" href="docs/hugo_lamy_cv_2024.pdf" target="_blank" rel="noopener noreferrer" title="link to a pdf version of this section CV">
+					<span class="fr">télécharger en pdf</span>
+					<span class="en">download in pdf</span>
+				</a>
+				<h2>
+					<span class="fr">COMPÉTENCES</span>
+					<span class="en">SKILLS</span>
+				</h2>
 				<ul>
-					<li>Langages : C, C++, bash, JavaScript, PHP, CSS, HTML</li>
-					<li>Technologies : Node.js, Git, Gitaction, Docker, Wordpress, Nginx, MariaDB, Nest.js, Svelte, WebSocket, Express, npm, react</li>
-					<li>Plus : emails, sending emails, receiving emails, deleting emails (the it crowd S01E01)</li>
-					<li>Autres : magie, vélo, noeuds, mathématiques, politique</li>
+					<li>
+						<span class="fr">Langages : C, C++, bash, JavaScript, PHP, CSS, HTML</span>
+						<span class="en">Languages : C, C++, bash, JavaScript, PHP, CSS, HTML</span>
+					</li>
+					<li>
+						<span class="fr">Technologies : Node.js, Git, Gitaction, Docker, Wordpress, Nginx, MariaDB, Nest.js, Svelte, WebSocket, Express, npm, react</span>
+						<span class="en">Technologies : Node.js, Git, Gitaction, Docker, Wordpress, Nginx, MariaDB, Nest.js, Svelte, WebSocket, Express, npm, react</span>
+					</li>
+					<li>
+						<span class="fr">Plus : emails, sending emails, receiving emails, deleting emails (the it crowd S01E01)</span>
+						<span class="en">Plus : emails, sending emails, receiving emails, deleting emails (the it crowd S01E01)</span>
+					</li>
+					<li>
+						<span class="fr">Autres : magie, vélo, noeuds, mathématiques, politique</span>
+						<span class="en">Other : magie, vélo, noeuds, mathématiques, politique</span>
+					</li>
 				</ul>
-				<h2>EXPÉRIENCES</h2>
+				<h2>
+					<span class="fr">EXPÉRIENCES</span>
+					<span class="en">EXPÉRIENCES</span>
+				</h2>
 				<ul>
-					<li><a href="https://www.carteprof.org" target="_blank" rel="noopener noreferrer" title="link to carteprof website"></a>, 2021 : Backend, plugin wordpress, authentification, sessions, paiements, roles et bdd</li>
-					<li><a href="https://www.bloc-house.org" target="_blank" rel="noopener noreferrer" title="link to bloc-house website"></a>, 2021 : Full-stack, reprise d’un site en php et javascript</li>
-					<li><a href="https://2022.lejourdesprofs.org/#programme" target="_blank" rel="noopener noreferrer" title="link to lejourdesprofs website"></a>, 2022 : Backend, plugin WordPress API GoogleMaps</li>
-					<li><a href="https://kosmopolit.bitbucket.io" target="_blank" rel="noopener noreferrer" title="link to kosmopolit website"></a>, 2021 : Front-end, intégration en css atomique statique</li>
+					<li><a href="https://www.carteprof.org" target="_blank" rel="noopener noreferrer" title="link to carteprof website"></a>
+						<span class="fr">, 2021 : Backend, plugin wordpress, authentification, sessions, paiements, roles et bdd</span>
+						<span class="en">, 2021 : Backend, plugin wordpress, authentification, sessions, paiements, roles et bdd</span>
+					</li>
+					<li><a href="https://www.bloc-house.org" target="_blank" rel="noopener noreferrer" title="link to bloc-house website"></a>
+						<span class="fr">, 2021 : Full-stack, reprise d’un site en php et javascript</span>
+						<span class="en">, 2021 : Full-stack, reprise d’un site en php et javascript</span>
+					</li>
+					<li><a href="https://2022.lejourdesprofs.org/#programme" target="_blank" rel="noopener noreferrer" title="link to lejourdesprofs website"></a>
+						<span class="fr">, 2022 : Backend, plugin WordPress API GoogleMaps</span>
+						<span class="en">, 2022 : Backend, plugin WordPress API GoogleMaps</span>
+					</li>
+					<li><a href="https://kosmopolit.bitbucket.io" target="_blank" rel="noopener noreferrer" title="link to kosmopolit website"></a>
+						<span class="fr">, 2021 : Front-end, intégration en css atomique statique</span>
+						<span class="en">, 2021 : Front-end, intégration en css atomique statique</span>
+					</li>
 				</ul>
-				<h2>FORMATION INFORMATIQUE</h2>
+				<h2>
+					<span class="fr">FORMATION INFORMATIQUE</span>
+					<span class="en">FORMATION INFORMATIQUE</span>
+				</h2>
 				<ul>
-					<li>École 42, Paris, 2021-2022, tronc commun - niveau 10 (C, C++, système, algorithime, réseaux)</li>
-					<li>SIMPLON, développeur full-stack JavaScript, 2018 (Javascript, Node.js, React.js, HTML, CSS)</li>
+					<li>
+						<span class="fr">École 42, Paris, 2021-2022, tronc commun - niveau 10 (C, C++, système, algorithime, réseaux)</span>
+						<span class="en">École 42, Paris, 2021-2022, tronc commun - niveau 10 (C, C++, système, algorithime, réseaux)</span>
+					</li>
+					<li>
+						<span class="fr">SIMPLON, développeur full-stack JavaScript, 2018 (Javascript, Node.js, React.js, HTML, CSS)</span>
+						<span class="en">SIMPLON, développeur full-stack JavaScript, 2018 (Javascript, Node.js, React.js, HTML, CSS)</span>
+					</li>
 				</ul>
-				<h2>FORMATION ARCHITECTURE</h2>
+				<h2>
+					<span class="fr">FORMATION ARCHITECTURE</span>
+					<span class="en">FORMATION ARCHITECTURE</span>
+				</h2>
 				<ul>
-					<li>Master 1, ENSAPM, ESA, ENSAV, île-de-france, France, 2008-2014</li>
-					<li>3 stages : PERSPECTIVA (Houston, Texas, 2009, 3 mois), AS (Paris, 2012, 6 mois), JC QUINTON (Paris 2014, 6 mois)</li>
+					<li>
+						<span class="fr">Master 1, ENSAPM, ESA, ENSAV, île-de-france, France, 2008-2014</span>
+						<span class="en">Master 1, ENSAPM, ESA, ENSAV, île-de-france, France, 2008-2014</span>
+					</li>
+					<li>
+						<span class="fr">3 stages : PERSPECTIVA (Houston, Texas, 2009, 3 mois), AS (Paris, 2012, 6 mois), JC QUINTON (Paris 2014, 6 mois)</span>
+						<span class="en">3 stages : PERSPECTIVA (Houston, Texas, 2009, 3 mois), AS (Paris, 2012, 6 mois), JC QUINTON (Paris 2014, 6 mois)</span>
+					</li>
 				</ul>
-				<h2>ENGAGEMENT ASSOCIATIF</h2>
+				<h2>
+					<span class="fr">ENGAGEMENT ASSOCIATIF</span>
+					<span class="en">ENGAGEMENT ASSOCIATIF</span>
+				</h2>
 				<ul>
-					<li>Vulgarisation et recherche contraception testiculaire, ZEROMILLIONS, Paris, France, 2021-2024</li>
-					<li>Aide au logement, travail, administratif, et projets de vie de personnes précaires, 2018-2024</li>
-					<li>Distribution de nourriture, MIGRANTS-WILSON & SECOURS POPULAIRE, 2020-2022</li>
-					<li>Cogestion des bénévoles d'un camp de réfugiés, UTOPIA 56, Grande-Synthe, France, 2016</li>
+					<li>
+						<span class="fr">Vulgarisation et recherche contraception testiculaire, ZEROMILLIONS, Paris, France, 2021-2024</span>
+						<span class="en">Vulgarisation et recherche contraception testiculaire, ZEROMILLIONS, Paris, France, 2021-2024</span>
+					</li>
+					<li>
+						<span class="fr">Aide au logement, travail, administratif, et projets de vie de personnes précaires, 2018-2024</span>
+						<span class="en">Aide au logement, travail, administratif, et projets de vie de personnes précaires, 2018-2024</span>
+					</li>
+					<li>
+						<span class="fr">Distribution de nourriture, MIGRANTS-WILSON & SECOURS POPULAIRE, 2020-2022</span>
+						<span class="en">Distribution de nourriture, MIGRANTS-WILSON & SECOURS POPULAIRE, 2020-2022</span>
+					</li>
+					<li>
+						<span class="fr">Cogestion des bénévoles d'un camp de réfugiés, UTOPIA 56, Grande-Synthe, France, 2016</span>
+						<span class="en">Cogestion des bénévoles d'un camp de réfugiés, UTOPIA 56, Grande-Synthe, France, 2016</span>
+					</li>
 				</ul>
 			</details>
 
@@ -192,26 +265,6 @@
 				</figure>
 			</div>
 
-<!--
-			<article class="project">
-				<p>description</p>
-				<img src="./docs/projects/fdf_pyramide_2.gif"/>
-				<img src="./docs/projects/fdf_demo.gif"/>
-			</article>
-
-			<article class="project">
-				<p>description</p>
-				<img src="./docs/projects/cube3d_raycasting.gif"/>
-				<img src="./docs/projects/cube3d_image.gif"/>
-			</article>
-
-			<article class="project">
-				<p>description</p>
-				<img src="./docs/projects/ljdp_map_clusters.gif"/>
-				<img src="./docs/projects/ljdp_map_filters.gif"/>
-			</article>
--->
-
 			<div class="mouse"><div class="frames mouse_2 pre"></div></div>
 			<div class="banner banner_size_3 banner_speed_20 banner_reverse grid_full_width" aria-label="banner delimitation in ASCII art"></div>
 
diff --git a/styles/elements/language.css b/styles/elements/language.css
new file mode 100644
index 0000000..a734fd0
--- /dev/null
+++ b/styles/elements/language.css
@@ -0,0 +1,28 @@
+.language {
+	position: fixed;
+	margin: 100px;
+}
+.language input {
+	display: none;
+}
+
+.language input:not(:checked) + label #fr {
+	display: inline;
+}
+.language input:not(:checked) + label #en {
+	display: none;
+}
+.language:has(input:not(:checked)) ~ * span.en {
+	display: none;
+}
+
+.language input:checked + label #fr {
+	display: none;
+}
+.language input:checked + label #en {
+	display: inline;
+}
+.language:has(input:checked) ~ * span.fr {
+	display: none;
+}
+
