/* Estilos generales */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    color: #2c3e50;
    background-color: #ecf0f1;
}

/* Encabezado */
header {
    background-color: #2980b9;
    color: white;
    padding: 3rem 1rem;
    text-align: center;
}

header h1 { margin: 0; font-size: 2.5rem; }

/* Contenedor principal */
main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Secciones y Artículos */
section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h2 {
    color: #2980b9;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

h3 { color: #e67e22; }

/* Código y Preformateado */
code {
    background: #f8f9fa;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: Consolas, monospace;
    color: #e74c3c;
}

pre {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 1.5rem;
    overflow-x: auto;
    border-radius: 5px;
}

/* Listas y Footer */
ul, ol { margin-left: 1.5rem; }

footer {
    text-align: center;
    padding: 2rem;
    background: #34495e;
    color: #bdc3c7;
    font-size: 0.9rem;
}