/* ------------------------
   1. Reset e Base Styles
-------------------------*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #e9ecef 0%, #f8fafc 100%);
  color: #333;
  line-height: 1.6;
  padding: 60px 0;
}

/* ------------------------
   2. Layout Principale
-------------------------*/
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 32px;
  background-color: #fff;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08);
  border-radius: 18px;
  border: 1px solid #f0f0f0;
}

/* ------------------------
   3. Tipografia
-------------------------*/
h1 {
  font-size: 36px;
  color: #0077cc;
  text-align: center;
  margin-bottom: 20px;
}

p {
  font-size: 20px;
  max-width: 700px;
  margin: 0 auto 20px;
  color: #222;
  text-align: center;
  line-height: 1.6;
}

/* ------------------------
   4. Immagini
-------------------------*/
img {
  width: 100%;
  max-width: 200px;
  height: auto;
  display: block;
  margin: 0 auto 30px;
}

/* ------------------------
   5. Link
-------------------------*/
a {
  font-size: 20px;
  font-weight: bold;
  display: block;
  text-align: center;
  margin-top: 20px;
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  color: #004080;
  text-decoration: underline;
}

/* ------------------------
   6. Sezioni: About, Learning, Roadmap
-------------------------*/
.about, .learning, .roadmap {
  max-width: 700px;
  margin: 40px auto;
  text-align: center;
}

.about h2, .learning h2, .roadmap h2 {
  font-size: 24px;
  color: #0077cc;
  margin-bottom: 10px;
}

.learning ul, .roadmap ul {
  list-style: none;
  padding: 0;
}

.learning li, .roadmap li {
  font-size: 18px;
  margin: 6px 0;
  color: #333;
  line-height: 1.4;
}

.roadmap {
  background: #f9f9f9;
  padding: 24px 32px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.roadmap li::before {
  content: "•";
  color: #0077cc;
  font-weight: bold;
  display: inline-block;
  width: 20px;
}

/* ------------------------
   7. Responsive (Mobile)
-------------------------*/
@media (max-width: 600px) {
  .container {
    padding: 20px;
    max-width: 90%;
  }

  h1 {
    font-size: 28px;
  }

  p, a {
    font-size: 18px;
  }
}