body{
                margin:0;
                text-align: center;
                font-family: 'Montserrat', sans-serif;
                background-color: #FFF;
            }

            h2{
                font-size:400%;
                margin:0;
            }
            
            h3{
                font-size:200%;
            }

            header{
                background-color:white;
            }

            nav{
                padding: 30px 0;
            }

            nav a{
                font-size : 200%;
                color: black;
                margin: 0 15px;
                text-decoration: none;
            }

            nav a:hover{
                text-decoration: underline
            }
            
            .nav{
                padding-right: 50px;
                text-align: end;
            }

            .hero{
                background-image: url(2073775-fond-de-parc-nature-flou-gratuit-photo.jpg);
                background-size:cover;
                background-position: center;
            }
            
            
            
            .hero-div img{
                width: 10%;
            }

            .hero h1{

            }

            .section0{
                background-image:url(vecteezy_blurred-nature-bokeh-of-green-park_2073830.jpg);
                background-size:cover;
                background-position: center;
                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
                padding:20px;
            }

            .section1{
                padding: 20px;
                
            }

            .section1 h2{
                margin:0;
            }
            

            .section2{
                padding-bottom: 20px;
                padding-left: 20px;
                padding-right: 20px;
            }

            .content-section{
                display: flex;
                justify-content: space-evenly;
                margin-top: 20px;

            }

            .content-section div{
                color: black;
                text-align: center;
                background-image:url(depositphotos_23563359-stock-photo-texture-of-wood-background-closeup.jpg);
                background-size:cover;
                background-position: center;
                width: 30%;
                padding: 20px;
                border-bottom: 20px;
                box-shadow: 0 5px 10px black;
                transition: transform 0.3s;
                border-radius: 8px;
            }

            .content-section div:hover{
                transform: translateY(-10px);
            }
            
            .content-section_1 div:hover{
                transform: translateY(-10px);
            }

            .content-section div img{
                width: 100%;
                border-radius: 8px;
            }

            .content-section div li{
                color: black;
                margin: 0 15px;
                text-decoration: none;
            }
            
            .content-section p{
                font-size:150%;
            }

            .section3{
                background-image: url(2073831-fond-de-parc-nature-flou-gratuit-photo.jpg);
                background-size:cover;
                background-position: center;
                text-align: center;
                padding:20px;
            }

            .div1{
                box-shadow: 0 5px 10px black;
                padding:20px;
                text-align: left;
                border-radius: 8px;
                background-image:url(depositphotos_23563359-stock-photo-texture-of-wood-background-closeup.jpg);
                background-position:center;
                background-size:cover;
                margin:30px;
            }



            li{
                font-size:150%;
                text-align: left;
                padding: 5px 0;
            }

            .div1 li{
                color: black;
                margin: 0 15px;
                text-decoration: none;
            }

            .div1 li:hover{
                text-decoration: underline
            }

            .section4{
                padding:20px;
            }

            .section5{
                color: white;
                padding:0;
                background-image: url(deux-boxeurs-hommes-forts-exercant-boxe-thailandaise-silhouette-mma-vue-travers-cage-dans-anneau-salle-sport-vue-cote-focus-cage-gros-plan_183219-7338.avif);
                background-size: cover;
                background-position: center
            }

            .content-section_1{
                text-align: center;
                display: flex;
                justify-content: space-evenly;
            }
            
            .content-section_1 img{
                box-shadow: 0 5px 10px black;
                margin:20px;
                width:70%;
            }

            .content-section_1 div{
                color:white;
                text-align: center;
                background-color: #5f6a6a;
                background-size:cover;
                background-position: center;
                width: 30%;
                margin: 20px;
                padding: 20px;
                border-bottom: 20px;
                float: center;
                border-radius: 8px;
                box-shadow: 0 5px 10px black;
                transition: transform 0.3s;
            }

            .content-section_1 div li{
                text-align: left;
                font-size:120%;
            }
            
            .section {
                padding: 60px 20px;
                max-width: 1200px;
                margin: 0 auto;
            }
            
            .content-section2{
                display: flex;
                justify-content: space-evenly;
                
            }
            
            .content-section2 h2{
                font-size: 400%;
            }
            
            .content-section2 h1{
                font-size: 600%;
            }
            
            .content-section2 div{
                color: black;
                text-align: center;
                font-family: Arial, sans-serif;
                width: 30%;
                padding: 30px;
                border-bottom: 20px;
                float: center;
                
                text-shadow: 0 4px 4px black;
                
            }
            
            .content-section2 div img{
                width: 90%;
                box-shadow: 0 5px 10px black;
            }
            
            .content-section2-div{
                margin-top:100px;
                margin-bottom: 100px;
            }
            
            .section-img{
                background-color: white;
                display: flex;
                justify-content: space-evenly;
            }
            
            .section-img div{
                width: 30%;
                padding: 30px;
            }
            
            .section-img img{
                width: 50%;
                box-shadow: 0 5px 10px black;
            }
            
            .section-img2{
                background-color: white;
                display: flex;
                justify-content: space-evenly;
            }
            
            .section-img2 div{
                width: 30%;
                padding: 30px;
            }
            
            .section-img2 img{
                width: 60%;
                box-shadow: 0 5px 10px black;
            }
            
            footer {
                height: 100px;
                background-color: white;
                color: black;
                display: flex;
                justify-content: flex-end;
            }

            .divfooter{
                display: flex;
                padding-right: 50px;
                padding-top: 20px;
                padding-left: 50px;
                padding-bottom: 20px;
                justify-content:center;
            }
            
            .divfooter div{
                padding-right: 20px;
                padding-left: 20px;
            }
            
            .divfooter div img{
                height: 60px;
            }
            
            .section6 {
   text-align: center;
    padding: 20px;
    margin: 0 auto;              /* centre la section */
    display: flex;
    justify-content: center;     /* centre le contenu horizontalement */
    align-items: center;         /* centre verticalement si nécessaire */            }
            
            .content-section_3 a{
                width: 100%;
            }
            
            .content-section_3 div{
                color: black;
                text-align: center;
                background-image:url(depositphotos_23563359-stock-photo-texture-of-wood-background-closeup.jpg);
                background-size:cover;
                background-position: center;
                width:90%;
                padding: 20px;
                border-bottom: 20px;
                box-shadow: 0 5px 10px black;
                transition: transform 0.3s;
                border-radius: 8px;
                
            }

            .content-section_3 div:hover{
                transform: translateY(-10px);
            }

            .content-section_3 div img{
                width: 100%;
                border-radius: 8px;
            }

            .content-section_3 div li{
                color: black;
                margin: 0 15px;
                text-decoration: none;
            }
            
            .content-section_3 p{
                font-size:150%;
            }
			/* --- Responsive design --- */

/* Tablettes et petits écrans */
@media (max-width: 1024px) {
  h2 { font-size: 250%; }
  h3 { font-size: 150%; }

  nav a {
    font-size: 120%;
    margin: 0 10px;
  }

  .content-section,
  .content-section_1,
  .content-section2,
  .section-img,
  .section-img2 {
    flex-direction: column;
    align-items: center;
  }

  .content-section div,
  .content-section_1 div,
  .content-section2 div,
  .section-img div,
  .section-img2 div {
    width: 90%;
    margin-bottom: 20px;
  }

  .content-section_1 img,
  .section-img img,
  .section-img2 img {
    width: 100%;
  }

  iframe {
    width: 100%;
    height: auto;
  }
}

/* Smartphones */
@media (max-width: 600px) {
  nav {
    padding: 10px 0;
  }

  nav a {
    display: block;
    margin: 10px 0;
  }

  h1 { font-size: 200%; }
  h2 { font-size: 180%; }
  h3 { font-size: 130%; }

  .section {
    padding: 20px 10px;
  }

  .div1, .content-section div {
    padding: 10px;
  }

  .hero {
    background-position: top;
  }

  .hero img {
    width: 60%;
  }

  .section6 {
    margin: 0;
    flex-direction: column;
  }

  footer {
    flex-direction: column;
    align-items: center;
    height: auto;
    text-align: center;
  }

  .divfooter {
    flex-direction: column;
    padding: 10px;
  }

  .divfooter div {
    padding: 5px;
  }
}
#backToTop {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px 15px;
  font-size: 18px;
  border: none;
  border-radius: 50%;
  background-color: #000;
  color: #fff;
  cursor: pointer;
  display: none;
}
#backToTop:hover {
  background-color: #444;
}
/* Améliore le centrage global des images et sections */
img {
  max-width: 100%;
  height: auto;
}

/* Évite les débordements horizontaux sur mobile */
body, html {
  overflow-x: hidden;
}

/* Ajuste le titre sur mobile */
.content-section2-div h1 {
  font-size: 300%;
}

/* Supprime les marges latérales rigides */
.section6 {
  margin: 0;
  padding: 20px;
}
.menu-toggle {
  display: none;
  font-size: 2em;
  cursor: pointer;
  padding: 10px 20px;
}

@media (max-width: 600px) {
  nav {
    display: none;
    flex-direction: column;
    background: white;
    width: 100%;
  }

  .menu-toggle {
    display: block;
    text-align: right;
  }

  nav.active {
    display: flex;
  }
}
header {
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}
a, button {
  transition: all 0.3s ease;
}