/* Estilos Generales */
body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

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

/* Cabecera */
header {
    background-color: #007BFF;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

/* Navegación */
nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
}

nav li {
    margin: 0 15px;
}

nav a {
    color: #007BFF;
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: #0056b3;
}

/* Contenido Principal */
.main-content {
    background-color: #fff;
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
}

.main-content h2 {
    border-bottom: 2px solid #007BFF;
    padding-bottom: 10px;
}

.main-content img {
    max-width: 100%;
    border-radius: 10px;
    margin-top: 20px;
}

/* Botón Demo */
.demo-button {
    display: block;
    width: 200px;
    margin: 20px auto;
    padding: 10px;
    background-color: #007BFF;
    text-align: center;
    border: none;
    color: #fff;
    cursor: pointer;
    text-decoration: none;
    border-radius: 50px;
    transition: background-color 0.3s;
}

.demo-button:hover {
    background-color: #0056b3;
}

/* Media Queries para Responsividad */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
    }

    nav li {
        margin: 10px 0;
    }
}