body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f7fa;
    color: #1e293b;
  }
  
  header {
    background-color: #0f172a;
    color: white;
    padding: 40px 20px;
    text-align: center;
  }
  
  h1 {
    margin: 0;
    font-size: 2em;
  }
  
  main.projet-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
  }
  
  section {
    background-color: white;
    margin-bottom: 30px;
    padding: 20px 25px;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  }
  
  h2 {
    color: #0f172a;
    margin-top: 0;
  }
  
  ul, ol {
    padding-left: 20px;
  }
  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
  }
  
  .image-grid img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  }
  
  a {
    color: #2563eb;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  .gallery-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-top: 20px;
  }
  
  .card {
    background-color: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
  }
  
  .card:hover {
    transform: translateY(-5px);
  }
  
  .card img {
    width: 100%;
    height: auto;
    object-fit: cover;
  }
  
  .caption {
    padding: 15px;
  }
  
  .caption h3 {
    margin: 0 0 10px;
    font-size: 1.1em;
    color: #0f172a;
  }
  
  .caption p {
    font-size: 0.95em;
    color: #475569;
  }
  
  /* Menu burger */
.menu-toggle {
  font-size: 2rem;
  cursor: pointer;
  color: white;
  position: absolute;
  left: 20px;
  top: 20px;
  z-index: 1001;
}

/* Menu latéral */
#side-menu {
  position: fixed;
  top: 0;
  left: -250px;
  width: 250px;
  height: 100%;
  background-color: #0f172a;
  color: white;
  padding-top: 60px;
  transition: left 0.3s ease;
  z-index: 1000;
  box-shadow: 2px 0 5px rgba(0,0,0,0.2);
}

#side-menu ul {
  list-style: none;
  padding: 0;
}

#side-menu ul li {
  padding: 15px 25px;
  border-bottom: 1px solid #1e293b;
}

#side-menu ul li a {
  color: white;
  text-decoration: none;
  font-size: 1.1rem;
}

#side-menu ul li a:hover {
  text-decoration: underline;
}
footer {
  background-color: #0f172a;
  color: white;
  text-align: center;
  padding: 20px 10px;
  margin-top: 40px;
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
}

.footer-content {
  max-width: 900px;
  margin: 0 auto;
}

.footer-links {
  margin-top: 10px;
}

.footer-links a {
  color: #94a3b8;
  margin: 0 10px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: white;
}