/* Stili Generali e Colori */
:root {
    --primary-color: #6a8eef; /* Azzurro cielo */
    --secondary-color: #8edc9d; /* Verde menta */
    --accent-color-orange: #ffb38e; /* Arancione tenue */
    --accent-color-yellow: #f8e18f; /* Giallo sole */
    --text-color: #333;
    --background-color: #f7f9fc;
    --card-bg: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: Arial, sans-serif; /* Un font semplice e leggibile */
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 0;
    text-align: center;
    box-shadow: var(--box-shadow);
}

header h1 {
    margin: 0;
    font-size: 2.5em;
    letter-spacing: 1px;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

header nav ul li {
    margin: 0 15px;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    padding: 5px 10px;
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
}

header nav ul li a:hover,
header nav ul li a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Main Content */
main {
    padding: 40px 0;
}

.hero {
    text-align: center;
    margin-bottom: 40px;
}

.hero h2 {
    font-size: 2.8em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 30px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.card h3 {
    margin-top: 0;
    font-size: 1.8em;
    margin-bottom: 10px;
}

.card p {
    font-size: 1.1em;
    color: #666;
}

/* Colori Specifici delle Card */
.card-blue { border-bottom: 5px solid var(--primary-color); }
.card-green { border-bottom: 5px solid var(--secondary-color); }
.card-orange { border-bottom: 5px solid var(--accent-color-orange); }
.card-yellow { border-bottom: 5px solid var(--accent-color-yellow); }

/* Form Elements (per le pagine specifiche) */
form {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 600px;
    margin: 30px auto;
}

form label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--primary-color);
}

form input[type="text"],
form input[type="password"],
form input[type="number"],
form input[type="date"],
form textarea {
    width: calc(100% - 20px);
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font