* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    color: white;
    background-color: rgb(16, 46, 92);
}

.container {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
        "header"
        "menu"
        "contenido"
        "lateral"
        "footer";
    min-height: 100vh;
    max-width: 1200px;
    margin: auto;
}

header,
footer {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background-color: rgba(20, 212, 20, 0.808);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
}

header { grid-area: header; }
footer { grid-area: footer; }

.menu {
    grid-area: menu;
    display: flex;
    flex-wrap: wrap;
    background-color: rgba(53, 124, 20, 0.685);
}

.menu a {
    flex: 1 1 50%;
    padding: 1rem;
    text-align: center;
    color: white;
    text-decoration: none;
    background-color: rgba(110, 40, 168, 0.692);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.menu a:hover {
    background-color: rgba(204, 18, 18, 0.856);
}

.contenido {
    grid-area: contenido;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem;
}

.contenido article {
    padding: 2rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
}

.lateral {
    grid-area: lateral;
    padding: 1rem;
    background-color: rgba(53, 124, 20, 0.685);
}

/* Tablet */
@media (min-width: 600px) {
    .menu a { flex: 1 1 25%; }
    .contenido { grid-template-columns: repeat(2, 1fr); }
}

/* Escritorio */
@media (min-width: 900px) {
    .container {
        grid-template-columns: 200px 1fr 200px;
        grid-template-areas:
            "header header header"
            "menu contenido lateral"
            "footer footer footer";
    }

    .menu {
        flex-direction: column;
        flex-wrap: nowrap;
    }

    .menu a { flex: 0 0 auto; }
}