body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #e6f0ff, #cce0ff); /* Gradiente azul claro */
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    display: flex;
    flex-direction: column; /* Cambia a columna para apilar tarjetas */
    gap: 20px;
    max-width: 1200px; /* Ancho máximo para mejor lectura */
    padding: 20px;
}

.card {
    background-color: #ffffff; /* Fondo blanco para modo claro */
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%; /* Ocupa todo el ancho disponible */
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

    .card h2 {
        font-size: 24px;
        color: #2c3e50; /* Azul oscuro */
        margin-bottom: 15px;
        text-align: center;
        transition: color 0.3s ease;
    }

    .card p {
        font-size: 14px;
        color: #34495e; /* Gris azulado */
        line-height: 1.6;
        transition: color 0.3s ease;
    }

    .card ul {
        list-style-type: none;
        padding: 0;
    }

        .card ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: #34495e;
            transition: color 0.3s ease;
        }

            .card ul li i {
                margin-right: 10px;
                color: #3498db; /* Azul */
                transition: color 0.3s ease;
            }

    .card a {
        text-decoration: none;
        color: #3498db;
        font-weight: bold;
        transition: color 0.3s ease;
    }

        .card a:hover {
            text-decoration: underline;
        }

/* Estilos para el modo oscuro */
body.dark-mode {
    background: linear-gradient(135deg, #0a1f3d, #1c2e4a); /* Gradiente azul oscuro */
    color: #f1f1f1;
}

    body.dark-mode .card {
        background-color: #1c2e4a; /* Azul oscuro */
        color: #ecf0f1;
    }

        body.dark-mode .card h2 {
            color: #ffffff; /* Blanco */
        }

        body.dark-mode .card p {
            color: #dcdde1; /* Gris claro */
        }

        body.dark-mode .card ul li {
            color: #dcdde1; /* Gris claro */
        }

            body.dark-mode .card ul li i {
                color: #3a7bd5; /* Azul medio */
            }

        body.dark-mode .card a {
            color: #3a7bd5; /* Azul medio */
        }

            body.dark-mode .card a:hover {
                color: #5a9bff; /* Azul claro */
            }