<!DOCTYPE html>
<html lang="it">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Corso Python - Home</title>
    <link rel="stylesheet" href="">
     <style>
        /* --- STILE INTEGRATO (Non toccare questa parte) --- */
        
        /* 1. Impostazioni Generali */
        * { box-sizing: border-box; margin: 0; padding: 0; }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f0f2f5; /* Grigio sfondo moderno */
            color: #333;
            line-height: 1.6;
        }

        /* 2. Barra di Navigazione Fissa in alto */
        .navbar {
            background-color: #2c3e50; /* Blu scuro */
            color: white;
            padding: 15px 30px;
            position: sticky; /* Rimane incollata in alto */
            top: 0;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        .nav-title {
            font-size: 1.3rem;
            font-weight: bold;
            color: #ecf0f1;
        }

        /* 3. Il Pulsante "Torna alla Home" */
        .btn-home {
            background-color: #e74c3c; /* Rosso visibile */
            color: white;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 4px;
            font-weight: bold;
            font-size: 0.95rem;
            border: none;
            transition: background 0.3s;
        }

        .btn-home:hover {
            background-color: #c0392b; /* Rosso più scuro */
        }

        /* 4. Contenitore Centrale */
        .container {
            max-width: 800px;
            margin: 40px auto;
            padding: 0 20px;
        }

        /* 5. Le "Schede" Bianche (Card) */
        .card {
            background: white;
            padding: 30px;
            margin-bottom: 25px;
            border-radius: 10px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            border-left: 6px solid #3776ab; /* Riga blu Python a sinistra */
        }

        h1 { color: #2c3e50; margin-bottom: 10px; }
        h2 { color: #3776ab; margin-top: 0; font-size: 1.4rem; }
        p { margin-bottom: 15px; font-size: 1.1rem; }

        /* 6. Riquadri Codice (Neri) */
        pre {
            background-color: #282c34;
            color: #abb2bf;
            padding: 20px;
            border-radius: 8px;
            overflow-x: auto;
            font-family: 'Consolas', monospace;
            font-size: 1rem;
            margin-top: 10px;
        }
        
        /* Colori Sintassi Python */
        .k { color: #c678dd; font-weight: bold; } /* Keyword (viola) */
        .s { color: #98c379; } /* Stringa (verde) */
        .f { color: #61afef; } /* Funzione (azzurro) */

        /* 7. Box Esercizio (Giallo) */
        .exercise {
            background-color: #fff9c4;
            border: 1px solid #fbc02d;
            border-left: 6px solid #fbc02d; /* Riga gialla a sinistra */
        }
        
        /* 8. Bottone "Prossima Lezione" */
        .btn-next {
            display: inline-block;
            background-color: #3776ab;
            color: white;
            padding: 12px 24px;
            text-decoration: none;
            border-radius: 30px; /* Arrotondato */
            font-weight: bold;
            float: right;
            margin-bottom: 40px;
        }
        .btn-next:hover { background-color: #2a5d8a; }

    </style>

</head>
<body>

    <nav class="navbar" style="justify-content: center;">
        <div class="nav-title" style="font-size: 1.5rem;">🐍 Corso Base Python per le Medie Inferiori</div>
    </nav>

    <div class="container">
        <div class="card">
            <h2>Benvenuti al corso!</h2>
            <p>Seleziona un argomento qui sotto per iniziare a programmare.</p>
        </div>

        <div class="menu-grid">
            <div class="menu-item">
                <h3>1. Variabili</h3>
                <p>La memoria del computer</p>
                <a href="lezione1.html" class="btn-next" style="float:none; display:block;">Inizia</a>
            </div>

            <div class="menu-item">
                <h3>2. Decisioni</h3>
                <p>Logica IF ed ELSE</p>
                <a href="lezione2.html" class="btn-next" style="float:none; display:block;">Inizia</a>
            </div>

            <div class="menu-item">
                <h3>3. Cicli</h3>
                <p>Ripetere senza annoiarsi</p>
                <a href="lezione3.html" class="btn-next" style="float:none; display:block;">Inizia</a>
            </div>
        </div>
    </div>

</body>
</html>