/* Core styles/functionality */
.tab {
    position: relative;
}

.tab input {
    position: absolute;
    opacity: 0;
    z-index: -1;
}

.tab__content {
    max-height: 0;
    overflow: hidden;
    transition: all 0.35s;
}

.tab input:checked~.tab__content {
    max-height: 40rem;
    border: 1px dashed;
}

/* Visual styles */
.accordion {
    color: #fff;
    position: relative;
    aspect-ratio: 8/5;
    padding: 1em 2.5em;
    transition: all 0.5s;
}

.tab__label,
.tab__close {
    display: flex;
    color: white;
    cursor: pointer;
}

.tab__label {
    justify-content: space-between;
    padding: 1rem;
    border: 1px dashed;
    text-transform: uppercase;
}

.tab__label::after {
    content: "\276F";
    width: 1em;
    height: 1em;
    text-align: center;
    transform: rotate(90deg);
    transition: all 0.35s;
}

.tab input:checked+.tab__label::after {
    transform: rotate(270deg);
}

.tab__content p {
    margin: 0;
    padding: 1rem;
    text-transform: lowercase;
}

.tab__close {
    justify-content: flex-end;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.tab__readme {
    padding: 0.5rem 1rem;
    font-size: .8rem;
    text-align: center;
    text-transform: none;
    line-height: 130%;
}


/* Arrow animation */
.tab input:not(:checked)+.tab__label:hover::after {
    animation: bounce .5s infinite;
}

@keyframes bounce {
    25% {
        transform: rotate(90deg) translate(.25rem);
    }

    75% {
        transform: rotate(90deg) translate(-.25rem);
    }
}

.header-accordion {
    margin-top: 10em;
}

.header-content {
    text-align: center;
    margin: 4em 0;
}