* {
    margin: 0;
    padding: 0;
}

:root {
    --c1: #06141B;
    --c2: #11212D;
    --c3: #253745;
    --c4: #4A5C6A;
    --c5: #9BAAB3;
    --c6: #CCD0CF;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--c5);
}

.header__top {
    width: 100%;
    height: 80px;
    margin-bottom: 20px;
    background: var(--c4);
    display: grid;
    grid-template-rows: 100%;
    align-items: center;
}

.top__nav {
    width: 100%;
    display: grid;
    align-items: center;
    text-align: center;
    grid-template-columns: 1fr 1fr;
    background: var(--c3);
    height: 60%;
}

.header__bottom--tablet {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: var(--c3);
    display: flex;
    justify-content: space-around;
    padding: 0.6rem 0;
    border-top: 1px solid var(--c1);
    z-index: 1000;
}

.header__bottom--movil {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    padding-bottom: 10px;
    background: var(--c3);
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--c1);
    z-index: 1000;
}

.nav__a {
    text-decoration: none;
    color: var(--c6);
    font-size: 18px;
}

.nav__a:hover {
    transform: scale(1.1);
    transition: 0.3s;
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -ms-transition: 0.3s;
    -o-transition: 0.3s;
}

.contenido {
    margin: 5px;
}

.contenido__mensaje {
    background: var(--c6);
    border-radius: 5px;
    display: grid;
    grid-template-rows: 1fr 1fr;
    text-align: center;
    align-items: center;
    margin-bottom: 10px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
}

.contenido__inicio--img {
    max-width: 60%;
    object-fit: fill;

}

.contenido__cartas {
    width: 100%;
    background: var(--c3);
    border-radius: 10px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    text-align: center;
    align-items: center;
    margin-bottom: 10px;
    gap: 5px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
}

.cartas__clases {
    margin: 10px;
    text-align: center;
    border-radius: 20px;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    background: var(--c6);
    box-shadow: 0 6px 20px #11212d3d;
    padding: 8%;
}

details.cartas__detalles {
    margin-top: 10px;
    background: var(--c5);
    padding: 10px;
    border-radius: 10px;
    font-size: 15px;
    cursor: pointer;
    border: 1px solid var(--c1);
    transition: all 0.5s ease;
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
    -ms-transition: all 0.5s ease;
    -o-transition: all 0.5s ease;
}

details.cartas__detalles:hover {
    transform: scale(1.05);
    transition: 0.3s;
}

.contenido__cartas {
    width: 100%;
}

.cartas__clases {
    text-align: center;
    border-radius: 20px;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
    padding: 8%
}

.contenido__inicio--img {
    width: 100%;
    object-fit: contain;
    aspect-ratio: 1 / 1;
    height: 125px;
    border-radius: 15%;
    margin-bottom: 10px;
}

.footer {
    background: var(--c4);
    border-radius: 5px;
    color: var(--c6);
    width: 100%;
    text-align: center;
    margin-bottom: 48px;
    padding-top: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
}

.footer__redes {
    padding: 10px;
}

details.footer__detealles {
    margin-top: 10px;
    background: var(--c3);
    padding: 10px;
    border-radius: 10px;
    font-size: 15px;
    cursor: pointer;
    border: 1px solid var(--c6);
    transition: all 0.5s ease;
}

/* escritorio */
@media (min-width: 768px) {

    .header__bottom--tablet,
    .header__bottom--movil,
    .footer__detealles {
        display: none;
    }
}

/* tablet */
@media (max-width: 767px) and (min-width: 481px) {

    .top__nav,
    .header__top,
    .header__bottom--movil,
    .footer__detealles {
        display: none;
    }

    .contenido__cartas {
        background: var(--c3);
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr 1fr;
        text-align: center;
        align-items: center;
        margin-bottom: 10px;
        gap: 5px;

    }

}

/* celular */
@media (max-width: 480px) {

    .top__nav,
    .header__top,
    .footer__informacion {
        display: none;
    }

    .bottom__nav {
        display: grid;
        grid-template-columns: 1fr;
        max-width: 100%;
        object-fit: contain;
        aspect-ratio: 1 / 1;
    }

    .nav__a {
        display: flex;
        justify-content: space-around;
        padding: 5px;
    }

    .nav__a:hover {
        transform: scale(1.1);
        transition: 0.3s;
    }

    .nav__a--img {
        width: 50%;
        height: 50%;
    }

    .contenido__cartas {
        background: var(--c3);
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr 1fr;
        align-items: center;
        text-align: center;
        margin-bottom: 10px;
        gap: 5px;
    }
}