Hover – Fényfolyosó

.we-hover-light {
    width: 100%;
    max-width: 440px;
    height: 190px;
    margin: 60px auto;

    position: relative;
    overflow: hidden;

    display: flex;
    flex-direction: column;
    justify-content: center;

    padding: 35px 40px;
    box-sizing: border-box;

    background:
        radial-gradient(
            circle at 50% 50%,
            rgba(142,232,212,.08),
            transparent 60%
        ),
        #0b1014;

    border: 1px solid rgba(142,232,212,.22);
    border-radius: 18px;

    color: #f2f4f0;
    font-family: Arial, sans-serif;

    transition:
        transform .45s cubic-bezier(.22,1,.36,1),
        border-color .45s ease,
        box-shadow .45s ease;
}


/* FÉNYCSÍK */

.we-hover-light::before {
    content: "";

    position: absolute;

    top: -30%;
    left: -35%;

    width: 22%;
    height: 160%;

    background: linear-gradient(
        90deg,
        transparent,
        rgba(142,232,212,.15),
        rgba(255,255,255,.85),
        rgba(142,232,212,.15),
        transparent
    );

    transform: skewX(-18deg) translateX(-250%);

    opacity: 0;
}


/* FINOM BELSŐ FÉNY */

.we-hover-light::after {
    content: "";

    position: absolute;
    inset: 0;

    border-radius: inherit;

    background:
        radial-gradient(
            circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(142,232,212,.12),
            transparent 35%
        );

    opacity: 0;

    transition: opacity .4s ease;

    pointer-events: none;
}


/* HOVER */

.we-hover-light:hover {
    transform: translateY(-7px);

    border-color: rgba(142,232,212,.65);

    box-shadow:
        0 18px 45px rgba(0,0,0,.45),
        0 0 30px rgba(142,232,212,.10);
}


.we-hover-light:hover::before {
    opacity: 1;

    animation:
        weLightPass
        .9s
        cubic-bezier(.22,1,.36,1)
        forwards;
}


.we-hover-light:hover::after {
    opacity: 1;
}


/* SZÖVEG */

.we-hover-light-label {
    position: relative;
    z-index: 2;

    margin-bottom: 12px;

    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;

    color: #8ee8d4;
}


.we-hover-light strong {
    position: relative;
    z-index: 2;

    font-size: 27px;
    font-weight: 500;
}


.we-hover-light small {
    position: relative;
    z-index: 2;

    margin-top: 10px;

    font-size: 13px;

    color: rgba(242,244,240,.62);
}


/* FÉNY ÁTSZALAD */

@keyframes weLightPass {

    0% {
        transform: skewX(-18deg) translateX(-250%);
    }

    100% {
        transform: skewX(-18deg) translateX(700%);
    }

}

Ehhez az animációhoz nincs külön JavaScript.