/* Viewport */
.speaker-viewport{
    overflow: hidden;
    width: 100%;
}

/* Sliding row */
.speaker-cards-row{
    display: flex;
    flex-wrap: nowrap;
    transition: transform .6s ease;
    will-change: transform;
}

/* Each card */
.speaker-cards-row > div{
    flex: 0 0 25%;
    max-width: 25%;
    padding: 10px;
}

/* Tablet */
@media(max-width:1024px){
    .speaker-cards-row > div{
        flex: 0 0 33.3333%;
        max-width: 33.3333%;
    }
}

/* Mobile — show 1 PERFECT card */
@media(max-width:768px){
    .speaker-cards-row > div{
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Nav buttons */
.slider-nav{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    cursor: pointer;
    z-index: 5;
    font-size: 18px;
}

.slider-prev{ left: 10px; }
.slider-next{ right: 10px; }

.slider-nav:hover{
    background: #6c40ff;
}

/* Make viewport relative for buttons */
.speaker-viewport{
    position: relative;
}