body {
    background-color: #f0f2f5;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    /* Bloqueo de selección de texto */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.main-wrapper {
    max-width: 1100px;
    margin: 0 auto; /* Centra la página */
    background-color: #ffffff;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    min-height: 100vh;
}

header { padding: 20px; text-align: center; border-bottom: 4px solid #004a99; }
.logo { max-width: 150px; height: auto; }

/* Menú */
nav { background: #333; }
nav ul { list-style: none; padding: 0; margin: 0; display: flex; justify-content: center; }
nav ul li a { color: white; padding: 15px 25px; text-decoration: none; display: block; }
nav ul li a:hover { background: #004a99; transition: 0.3s; }

/* Productos */
.item-servicio { display: flex; align-items: center; margin: 15px 0; padding: 10px; border-radius: 8px; background: #fafafa; }
.item-servicio img { width: 100px; height: 100px; object-fit: cover; margin-right: 20px; border-radius: 5px; }

/* Imágenes protegidas */
img { pointer-events: none; }