body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
  line-height: 1.6;
}

/* Navigation styles */
.main-nav {
  margin-top: 12px;
}
.main-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
.main-nav a {
  text-decoration: none;
  color: inherit;
  font-weight: 500;
  padding: 6px 8px;
  border-radius: 4px;
  transition: background-color .15s, color .15s;
}
.main-nav a:hover,
.main-nav a:focus {
  background: rgba(0,0,0,0.06);
  outline: none;
}
.main-nav a.active {
  background: var(--accent, #111);
  color: #fff;
}

.main-nav a:visited {
  color: #ffffff; /* Même couleur pour les liens visités */
}


a {
  color: #007acc; /* Bleu comme ton bouton */
  text-decoration: none;
}

a:visited {
  color: #007acc; /* Même couleur pour les liens visités */
}

header {
  background: #007acc;
  color: white;
  text-align: center;
  padding: 2rem 0;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

header p {
  margin: 0.5rem 0 0;
  font-weight: 300;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

section {
  background: white;
  margin: 1rem 0;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h2 {
  color: #007acc;
  margin-top: 0;
}

.button {
  display: inline-block;
  padding: 12px 20px;
  margin: 1rem 0;
  background-color: #007acc;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s;
}

.button:hover {
  background-color: #005f99;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #333;
  color: white;
  margin-top: 2rem;
}

/* Optional: Add responsive design */
@media (max-width: 600px) {
  header h1 {
    font-size: 2rem;
  }
  section {
    padding: 1rem;
  }
}