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

body {
    min-height: 100vh;
    font-family: 'Poppins', sans-serif;
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}


.container {
    align-items: center;
    perspective: 1500px;
}


.card {
    width: 230px;
    height: 350px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 1s;
    cursor: pointer;
    border-radius: 12px;

    box-shadow:
        0 15px 30px rgba(0, 0, 0, 0.3),
        0 5px 10px rgba(0, 0, 0, 0.2);
}

.container:hover .card {
    transform: rotateY(180deg) translateY(-3px);

}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.card-front {
    border-radius: 12px;
}


.card-back {
    transform: rotateY(180deg);
    border-radius: 12px;
}

.card-back img {
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

.queen {
    width: 120px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Valores dos Q */
.value {
    position: absolute;
    font-size: 40px;
    font-weight: bold;
}

.top {
    top: 10px;
    left: 10px;
}

.bottom {
    bottom: 10px;
    right: 10px;
    transform: rotate(180deg);
}

.naipe-top {
    position: absolute;
    top: 70px;
    left: 15px;
    width: 30px;
}

.naipe-bottom {
    position: absolute;
    bottom: 70px;
    right: 15px;
    width: 30px;
    transform: rotate(180deg);
}

.site-footer {
    text-align: center;
    padding: 10px;
    background-color: #0f172a;
    color: #e2e8f0;
}


.navbar {
    display: flex;
    padding: 10px;
    background-color: #1e293b;
    margin-bottom: 20px;
}

.navbar ul {
    display: flex;
    list-style: none;
    background-color: #1e293b;
}

.navbar li a {
    display: block;
    color: #f8fafc;
    text-decoration: none;
    padding: 14px 20px;
}

.navbar li a:hover {
    background-color: #3b82f6;
    color: #ffffff;
}

@media (max-width: 1024px) {

    .card {
        width: 200px;
        height: 310px;
    }

    .queen {
        width: 100px;
    }

    .value {
        font-size: 32px;
    }

    .naipe-top,
    .naipe-bottom {
        width: 24px;
    }

}

@media (max-width: 768px) {

    .navbar {
        justify-content: center;
    }

    .navbar ul {
        justify-content: center;
        width: 100%;
    }

    .card {
        width: 170px;
        height: 270px;
    }

    .queen {
        width: 85px;
    }

    .value {
        font-size: 26px;
    }

    .naipe-top {
        top: 55px;
        left: 10px;
        width: 20px;
    }

    .naipe-bottom {
        bottom: 55px;
        right: 10px;
        width: 20px;
    }

}

@media (max-width: 480px) {

    .card {
        width: 150px;
        height: 240px;
    }

    .queen {
        width: 70px;
    }

    .value {
        font-size: 22px;
    }

    .navbar li a {
        padding: 10px 14px;
        font-size: 14px;
    }

}