:root {
    --hover-cyan: lightgray;
    --card-radius: 32px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 32px;
    margin: 0 auto;
}

.grid-item {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--card-radius);
    overflow: hidden;
    background-color: #1a1a1a;
}

.card-closed {
    filter: grayscale(100%);
    opacity: 0.7;
}

.strikethrough {
    text-decoration: line-through;
}

.container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    text-decoration: none;
    position: relative;
    cursor: none;
}

.card-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.interface {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 24px;
    box-sizing: border-box;
}

.button-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.class-label {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 6px 14px;
    border-radius: 100px;
}

.class-label p {
    color: white;
    margin: 0;
    font-family: 'Roboto Mono', monospace;
    font-size: 32px;
    text-transform: uppercase;
}

.button-circle {
    width: 44px;
    height: 44px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translate(-15px, 15px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.button-circle svg {
    width: 24px;
    height: 24px;
    fill: black;
}

.card-title {
    color: white;
    font-family: 'Roboto Mono', monospace;
    font-size: clamp(48px, 5vw, 100px);
    font-weight: 800;
    margin: 0;
    line-height: 1.1;
}

.grid-item:hover .bg-image {
    transform: scale(1.1);
}

.grid-item:hover .button-circle {
    opacity: 1;
    transform: translate(0, 0);
    background: var(--hover-cyan);
}

@media (max-width: 800px) {
    .grid-container {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 12px;
    }

    .grid-item {
        border-radius: 24px;
    }

    .interface {
        padding: 20px;
    }

    .button-circle {
        opacity: 0.8;
        transform: none;
        width: 36px;
        height: 36px;
    }
}