#section-intro {
    background-color: var(--color-primary6);
    overflow: hidden;
}

#section-intro video {
    position: absolute;
    z-index: 0;
    top: 0px;
    left: 0px;
    min-width: 100%;
    min-height: 100%;
    opacity: .4;
}

#section-intro .bg-card-intro {
    background: rgba(24, 37, 65, .1);
    background: linear-gradient(0deg, rgba(255, 255, 255, .2) 0%, rgba(0, 0, 0, 0) 100%);
    -webkit-backdrop-filter: blur(25px);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 1);
    -webkit-transition: .3s ease;
    -moz-transition: .3s ease;
    -ms-transition: .3s ease;
    transition: .3s ease;
}

#section-intro .bg-card-intro:before {
    content: "";
    position: absolute;
    top: 50%;
    left: 100%;
    width: 100px;
    height: 1px;
    background-color: var(--color-primary1);
}

#section-intro .bg-card-intro:hover {
    border-color: var(--color-primary7);
}


#section-intro .intro-services:last-child .bg-card-intro:before {
    display: none;
}

@media only screen and (max-width:40em) {
    #section-intro {
        padding-top: 100px;
    }

    #section-intro .bg-card-intro:before {
        content: "";
        position: absolute;
        top: 100%;
        left: 50%;
        width: 1px;
        height: 50px;
    }
}

#section-intro .arrow {
    position: absolute;
    z-index: 0;
    top: 50%;
    right: 0px;
    transform: translateY(-50%);
    color: var(--color-primary1);
    margin-right: 5px;
    -webkit-transition: .3s ease;
    -moz-transition: .3s ease;
    -ms-transition: .3s ease;
    transition: .3s ease;
}

#section-intro .bg-card-intro:hover .arrow {
    margin-right: 0px;
}

/* 2) CSS */
#intro-text {
    overflow: hidden;
    /* aby nebolo nič mimo */
    display: inline-block;
}

.word {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.6s ease-out forwards;
    animation-delay: var(--d);
}

/* jemný posun a fade-in */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}