/* Style de base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
}

/* En-tête */
header {
  background-color: #2c3e50;
  color: #fff;
  padding: 20px 0;
}

header h1 {
  text-align: center;
  margin-bottom: 10px;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a:hover {
  text-decoration: underline;
}

/* Section Hero */
.hero {
  background: linear-gradient(135deg, #3498db, #8e44ad);
  color: #fff;
  padding: 80px 20px;
  text-align: center;
}

.hero h2 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

/* Sections classiques */
.section {
  background-color: #fff;
  padding: 60px 20px;
  margin-top: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.section h2 {
  margin-bottom: 20px;
  font-size: 2em;
  color: #2c3e50;
}

/* Footer */
footer {
  background-color: #2c3e50;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

/* Responsive */
@media (max-width: 600px) {
  nav ul {
    flex-direction: column;
  }

  nav ul li {
    margin: 10px 0;
  }

  .hero h2 {
    font-size: 1.8em;
  }

  .section h2 {
    font-size: 1.5em;
  }
}