/* Rubik'Sorgues - Style sobre et moderne */
:root {
  --primary-color: #2c3e50;
  --secondary-color: #2980b9;
  --accent-color: #f39c12;
  --background-color: #f8f9fa;
  --text-color: #2d3436;
  --light-gray: #dfe6e9;
  --font-stack: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
  font-family: var(--font-stack);
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  padding: 20px;
}

header {
  background-color: var(--primary-color);
  color: white;
  padding: 20px 0;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

nav {
  background-color: var(--secondary-color);
  padding: 10px 0;
  text-align: center;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: 500;
}

nav a:hover {
  color: var(--accent-color);
}

main {
  max-width: 1000px;
  margin: 40px auto;
  padding: 20px;
  background-color: white;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  border-radius: 8px;
}

section {
  margin-bottom: 30px;
}

h2 {
  color: var(--secondary-color);
  margin-bottom: 10px;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  color: #888;
  border-top: 1px solid var(--light-gray);
  margin-top: 40px;
}

/* Boutons */
.btn {
  display: inline-block;
  background-color: var(--secondary-color);
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.3s;
}

.btn:hover {
  background-color: var(--accent-color);
}