/* Reset basique */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

/* Header & Menu */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #333;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.logo {
  font-weight: bold;
  font-size: 1.5rem;
  text-transform: uppercase;
}

.menu {
  list-style: none;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.menu a {
  text-decoration: none;
  color: #fff;
  background-color: #333;
  padding: 8px 15px;
  border-radius: 4px;
  transition: background 0.2s;
}

.menu a:hover, .menu a.active {
  background-color: #555;
  text-decoration: underline;
}

/* Sections */
section {
  margin-bottom: 3rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid #ddd;
}

h1, h2 {
  margin-bottom: 1rem;
  color: #222;
}

/* Pied de page*/
footer {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.9em;
  color: #666;
}

footer p {
    margin-bottom: 5px;
    color: #333;
}

.last-update {
    font-size: 0.75em;
    font-style: italic;
    color: #888;
    display: block;
    margin-top: 0.5rem;
}