/* --- ESTILOS GENERALES --- */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333333;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    overflow-x: hidden;
    text-align: justify;
}

.contenedor {
    width: 90%;
    max-width: 850px;
    margin: 0 auto;
}

/* --- CABECERA --- */
header {
    background-color: #2c3e50;
    color: #ffffff;
    padding: 50px 0;
    text-align: center;
}

.curso {
    font-size: 12px;
    letter-spacing: 2px;
    color: #bdc3c7;
    margin: 0;
    text-transform: uppercase;
}

.resaltado {
    color: #00a09d; /* Verde Odoo */
}

.autores {
    margin-top: 15px;
    font-size: 15px;
    font-weight: bold;
}

/* --- BARRA DE NAVEGACIÓN --- */
nav {
    background-color: #714b67; /* Morado Odoo */
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav .contenedor {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav a {
    display: block;
    color: #ffffff;
    text-decoration: none;
    padding: 15px 20px;
    font-weight: bold;
    font-size: 14px;
    transition: background 0.3s;
}

nav a:hover {
    background-color: #5a3c52;
}

/* --- SECCIONES Y PASOS --- */
section {
    padding: 60px 0;
}

h2 {
    color: #714b67;
    border-bottom: 2px solid #714b67;
    padding-bottom: 10px;
    font-size: 26px;
    margin-top: 0;
}

.contenedor-pasos {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 30px;
}

.paso h3 {
    color: #2c3e50;
    font-size: 19px;
    border-left: 5px solid #00a09d;
    padding-left: 12px;
    margin-bottom: 10px;
}

.fondo-gris {
    background-color: #f9f9f9;
    padding: 60px 0;
    border-top: 1px solid #eeeeee;
    border-bottom: 1px solid #eeeeee;
}

.tarjeta-modulo {
    background-color: #ffffff;
    border: 1px solid #dddddd;
    padding: 25px;
    margin-top: 20px;
    border-radius: 10px;
    box-sizing: border-box;
}

/* --- IMÁGENES --- */
.imagen-guia {
    width: 100%;
    height: auto;
    border: 1px solid #cccccc;
    margin-top: 15px;
    display: block;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* --- PIE DE PÁGINA --- */
footer {
    background-color: #2c3e50;
    color: #ffffff;
    text-align: center;
    padding: 40px 20px;
    margin-top: 40px;
}

/* --- MEDIA QUERIES (RESPONSIVE) --- */
@media (max-width: 768px) {
    header { padding: 40px 20px; }
    h1 { font-size: 26px; }
    section { padding: 40px 0; }
}

@media (max-width: 480px) {
    nav a {
        flex: 1 1 45%;
        padding: 12px 5px;
        font-size: 12px;
        text-align: center;
    }
    
    .autores { font-size: 13px; }
    h2 { font-size: 22px; }
    .tarjeta-modulo { padding: 15px; }
}