.accueil{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content:center;
    margin-top: 50px;
    z-index:0;
  }

  .HAL{
    background-color:#00ABA4;
    color: white;
  }
  
  .auteur{
    background-color:#756EAC;
    color: white;
  }
  
  .hceres{
    background-color:#D95348;
    color: white;
  }
  
  .openAlex{
    background-color:#D95348 ;
    color: white;
  }
  
  
  .bordure_HAL{
    border: 2px solid #00ABA4;
  }
  
  .bordure_auteur{
    border: 2px solid #756EAC;
  }
  
  .bordure_hceres{
    border: 2px solid #D95348;
  }
  
  .bordure_openAlex{
    border: 2px solid #D95348  ;
  }
  
  .content {
      padding: 50px;
  }
  
  
  .container_box {
    display: flex;
    gap: 20px;
    /*width: 60%;*/
    padding-top: 100px;
    position: relative;
    min-width:500px;
    max-width: 1000px;
    margin: 0 auto;
  }
  
  .box {
    border: 2px solid rgb(255, 234, 234);
    position: relative;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }
  
.image-box {
  display: flex;
  justify-content: center;
  align-items: center;
}
  
.content-box {
  padding-top:100px;
  max-width: 1000px;
}
  
.overlay-box {
  position: absolute;
  margin-bottom: 10px;
  top: -20px;
  left: 150px;
  padding: 5px 10px;
  background: white;
  transform: translateX(-10%);
  /*border: 2px solid black;*/
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  max-width: 1000px;
  }
  
  .container-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* gauche / droite */
    gap: 0px;
    width: 100%;
    max-width: 1000px;
    padding : 2rem;
  }

  .container-grid-title {
    display: grid;
    grid-template-columns: 2fr 1fr; /* gauche / droite */
    gap: 0px;
    width: 100%;
    max-width: 600px;
    padding : 0.5rem;
  }

  .container-grid-title h3{
    grid-column: 1;
    grid-row: 1;
  }

  
  .grid-left {
    display: grid;
    grid-template-columns: 1fr 1fr; /* 2 colonnes */
    grid-template-rows: 1fr 1fr;    /* 2 lignes */
    gap: 0px;
  }

  .grid-left img{
    width: 80%;       /* réduit l'image dans sa cellule */
    height: auto;
    margin: auto;
    object-fit: cover;
    /*background: black;*/ /* si pas d'image */
  }


  .cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Conteneur flex principal ── */
.hero {
  display: flex;
  align-items: center;
  justify-content:center;
  gap: 32px;
  padding: 0.5rem;
  max-width: 1000px;
}

.grid-title{
    display: grid;
    grid-template-columns: auto 1fr auto; /* 3 colonnes */
    gap: 175px;
}


/* ── Classe partagée par les deux images ── */
.hero-img {
  flex: 1;
  max-width: 220px;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #ddd;
}

/* ── Classe appliquée aux balises <img> ── */
.cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Titre central ── */
.hero-title {
  flex: 0 0 auto;
  text-align: center;
  /*max-width: 200px;*/
}

.hero-title h1 {
  font-size: 50px;
  font-weight: normal;
  margin: 0 0 8px;
  color: #1a1a1a;
  line-height: 1.25;
}