/* ---- CSS du tutoriel (style sombre + harmonisé) ---- */

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

body {
  font-family: Georgia, "Times New Roman", serif;
  background: linear-gradient(to right, black, gray);
  color: white;
  padding-left: 11em;
  line-height: 1.6em;
}

/* --- NAVBAR --- */
ul.navbar {
  list-style: none;
  position: fixed; /* reste visible au scroll */
  top: 2em;
  left: 1em;
  padding: 0;
  margin: 0;
  width: 10em;
  z-index: 1000;
}

ul.navbar li {
  background: linear-gradient(to right, black, #3a3a3a);
  margin: 0.5em 0;
  padding: 0.6em 1em;
  border-radius: 8px;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

ul.navbar li:hover {
  background: linear-gradient(to right, #555, black);
  transform: translateX(5px);
}

ul.navbar a {
  text-decoration: none;
  color: white;
  font-weight: bold;
  display: block;
  font-family: Georgia, "Times New Roman", serif;
}

/* --- TITRES --- */
h1 {
  text-align: center;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 2.4em;
  letter-spacing: 1px;
  margin-top: 2em;
}

h2 {
  color: white;
  font-family: Helvetica, Arial, sans-serif;
  margin-bottom: 0.5em;
}

/* --- PARAGRAPHES ET LISTES --- */
p, ul {
  font-size: 1.1em;
  line-height: 1.6em;
  text-align: center;
  max-width: 800px;
  margin: 1em auto;
}

ul li {
  margin-left: 1.5em;
  margin-top: 0.3em;
  text-align: left;
}

/* --- SECTIONS DU TUTORIEL --- */
.tuto-section {
  width: 70%;
  margin: 2em auto;
  padding: 1.8em;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(4px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
}

/* --- FOOTER / ADRESSE --- */
address {
  margin-top: 3em;
  padding: 1.2em 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  color: white;
  font-style: normal;
}