@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-color: #502781;
    display: flex;
    align-items: center;
    justify-content: center;
}

main {
    width: 90%;
    height: 90%;
    border-radius: 2vw;
    overflow: hidden;
    background-color: #6C48B2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: 1vw;
}

.text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 1vw;
    text-align: center;
    color: #fff;
}

.yellow {
    font-weight: 900;
    font-size: 1.2vw;
    color: #FEDA00;
}

.message {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 1vw;
    text-align: center;
    text-transform: uppercase;
    color: #fff;
    position: fixed;
    top: 1vw;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, .8);
    padding: 1vw 2vw;
    border-radius: 1vw;
    z-index: 10;
    display: none;
}

button {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1vw;
    text-align: center;
    text-transform: uppercase;
    color: #fff;
    padding: 1vw 3vw;
    background-color: #FF1A6C;
    border: none;
    border-radius: .5vw;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 0 1vw rgba(0, 0, 0, .2);
}

button:hover {
    transform: translateY(-3px);
}
        
button:active {
    transform: translateY(1px);
}   

.game {
    display: grid;
    grid-template-columns: repeat(3, 33%);
    grid-template-rows: repeat(2, 50%);
    gap: 1vw;
    perspective: 50vw;
}

.card {
    width: 10vw;
    height: 26vh;
    position: relative;
    transform-style: preserve-3d;
    cursor: pointer;
    user-select: none;
    animation: deal 0.8s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
    opacity: 0;
}

.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 1vw;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all .6s ease;
}

.card-front {
    transform: rotateY(180deg);
}

.card-back {
    background-image: url('./img/cover.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    border-radius: 1vw;
    object-fit: cover;
    filter: drop-shadow(0 0 .5vw rgba(0, 0, 0, .3));
}

@keyframes deal {
    0% { transform: translateY(-500px) rotateY(180deg) rotateZ(30deg); opacity: 0; }
    100% { transform: translateY(0) rotateY(0) rotateZ(0); opacity: 1; }
}

.card:nth-child(1) { animation-delay: .1s; }
.card:nth-child(2) { animation-delay: .2s; }
.card:nth-child(3) { animation-delay: .3s; }
.card:nth-child(4) { animation-delay: .4s; }
.card:nth-child(5) { animation-delay: .5s; }
.card:nth-child(6) { animation-delay: .6s; }

.card.flipped .card-front { transform: rotateY(0deg); }
.card.flipped .card-back { transform: rotateY(180deg); }

.card.zoomed {
    scale: 2;
    z-index: 10;
    position: absolute;
    left: 35%;
    top: 27%;
    transform: translate(50%, 50%);
    transition: all .4s ease;
}
    
.card-img {
    border-radius: 1vw;
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 .5vw rgba(0, 0, 0, .3));
}

@media (max-width: 960px) {
    .text {
        font-size: 1.5vw;
    }
    .yellow {
        font-size: 2vw;
    }
    .card {
        width: 20vw;
        height: 26vh;
    }
    button {
        padding: 2vw 6vw;
        font-size: 2vw;
    }
}

@media (max-width: 480px) {
    body {
        background-color: #512f7f;
    }
    main {
        padding: 4vw;
    }
    .game {
        grid-template-columns: repeat(2, 50%);
        grid-template-rows: repeat(3, 33%);
    }
    .text {
        font-size: 4vw;
    }
    .yellow {
        font-size: 5vw;
    }
    .card {
        width: 23vw;
        height: 17vh;
    }
    button {
        padding: 5vw 15vw;
        font-size: 4vw;
        border-radius: 2vw;
    }
    .message {
        font-size: 3vw;
        top: 5vw;
        padding: 2vw 5vw;
        border-radius: 1vw;
    }
    .card.zoomed {
        scale: 3;
        left: 25%;
        top: 30%;
    }
}