/* Estilos generales */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #67;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Encabezado y navegación */
header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

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

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

header nav ul li {
    margin: 0 15px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

header nav ul li a:hover {
    color: #e67e22;
}

/* Sección principal */
main {
    padding: 2rem 0;
}

main h2 {
    text-align: center;
    color: #333;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.feature-cards {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    flex: 1;
    text-align: center;
}

.card img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

/* Pie de página */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .feature-cards {
        flex-direction: column;
    }

    header nav ul {
        flex-direction: column;
    }

    header nav ul li {
        margin: 5px 0;
    }
}