/* Fond violet avec effet réseau */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #5f2c82, #49a09d);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    position: relative;
    overflow: hidden;
  }
  
  .background {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('/Images/bg-network.png'); /* Remplace cette image par un réseau violet si tu veux */
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
  }
  
  /* Titre */
  header {
    z-index: 1;
    text-align: center;
    padding: 40px 20px 10px;
  }
  
  header h1 {
    margin: 0;
    font-size: 2.5rem;
  }
  
  /* Grille des projets */
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    max-width: 800px;
    width: 100%;
    padding: 40px 20px;
    z-index: 1;
  }
  
  /* Carte effet glass */
  .glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 40px 10px;
    text-align: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  .glass-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
  }

  .glass-card-projet {
    background: rgba(0, 255, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 40px 10px;
    text-align: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  .glass-card-projet:hover {
    transform: translateY(-5px);
    background: rgba(0, 255, 0, 0.1);
    cursor: pointer;
  }