/* RETURN TO PORTFOLIO TAB */
.portfolio-return-tab{
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);

    z-index: 9999;

    writing-mode: vertical-rl;
    text-orientation: mixed;

    display: flex;
    align-items: center;
    justify-content: center;

    min-height: 150px;
    padding: 1rem 0.7rem;

    border-radius: 14px 0 0 14px;

    background: rgba(10, 12, 22, 0.9);

    border: 1px solid rgba(19, 245, 207, 0.35);
    border-right: none;

    color: #13f5cf;

    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;

    box-shadow:
        0 0 18px rgba(19, 245, 207, 0.20),
        inset 0 1px 0 rgba(255,255,255,0.08);

    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    transition:
        color .2s ease,
        border-color .2s ease,
        box-shadow .2s ease,
        transform .2s ease;
}

.portfolio-return-tab:hover{
    color: #ffffff;

    border-color: rgba(63,156,255,0.8);

    box-shadow:
        0 0 22px rgba(19,245,207,0.35),
        0 0 38px rgba(63,156,255,0.25);

    transform: translateY(-50%) translateX(-2px);
}