:root {
    --primary-color: #2c3e50;
    --text-color: #333;
    --bg-color: #f9f9f9;
    --container-bg: #ffffff;
    --accent-color: #3498db;
    --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --line-height: 1.6;
}

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

body {
    font-family: var(--font-main);
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: 40px 20px;
}

.container {
    max-width: 850px;
    margin: 0 auto;
    background: var(--container-bg);
    padding: 60px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

/* Tipografia */
h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
}

h2 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin: 2rem 0 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
}

p {
    margin-bottom: 1.2rem;
    text-align: justify;
}

/* Listas e Links */
ul, ol {
    margin-bottom: 1.2rem;
    margin-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Seção de rodapé/atualização */
.last-updated {
    font-size: 0.9rem;
    color: #777;
    font-style: italic;
    margin-top: 3rem;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

/* Responsividade */
@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
}