.pf-logo-slider {
    --pf-gap: 28px;
    --pf-logo-height: 72px;
    --pf-visible: var(--pf-visible-desktop);

    position: relative;
    width: 100%;

    display: grid;
    grid-template-columns:
        52px
        minmax(0, 1fr)
        52px;

    align-items: center;
    gap: 10px;
}


/*
 * Viewport
 */
.pf-logo-slider__viewport {
    /*
     * A logók ennyire maradnak távol
     * a viewport két szélétől.
     */
    --pf-edge-safe: 42px;

    overflow: hidden;
    min-width: 0;

    /*
     * Ez a lényeg:
     * a track már csak a fade-en BELÜLI,
     * teljesen látható területen helyezkedik el.
     */
    padding-left: var(--pf-edge-safe);
    padding-right: var(--pf-edge-safe);

    box-sizing: border-box;

    /*
     * A halványulás kizárólag a
     * biztonsági zónában történik.
     */
    -webkit-mask-image:
        linear-gradient(
            to right,

            transparent 0,

            #000
            var(--pf-edge-safe),

            #000
            calc(
                100%
                - var(--pf-edge-safe)
            ),

            transparent 100%
        );

    mask-image:
        linear-gradient(
            to right,

            transparent 0,

            #000
            var(--pf-edge-safe),

            #000
            calc(
                100%
                - var(--pf-edge-safe)
            ),

            transparent 100%
        );

    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;

    -webkit-mask-size: 100% 100%;
    mask-size: 100% 100%;
}


/*
 * Mozgó track
 */
.pf-logo-slider__track {
    display: flex;

    gap:
        var(--pf-gap);

    transition:
        transform
        var(
            --pf-transition-speed,
            500ms
        )
        cubic-bezier(
            .22,
            .61,
            .36,
            1
        );

    will-change: transform;
}


/*
 * Slide
 */
.pf-logo-slider__slide {
    flex:
        0 0
        calc(
            (
                100%
                -
                (
                    var(--pf-gap)
                    *
                    (
                        var(--pf-visible)
                        - 1
                    )
                )
            )
            /
            var(--pf-visible)
        );

    min-width: 0;

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

    padding: 12px 8px;
}


/*
 * Logó link / konténer
 */
.pf-logo-slider__link,
.pf-logo-slider__logo {
    width: 100%;
    min-height: 96px;

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

    text-decoration: none;

    transition:
        transform
        var(
            --pf-transition-speed,
            500ms
        )
        ease;
}


/*
 * Logók
 */
.pf-logo-slider__image {
    display: block;

    width: auto;
    height: auto;

    max-width: 100%;

    max-height:
        var(
            --pf-logo-height
        );

    object-fit: contain;

    opacity:
        var(
            --pf-logo-opacity,
            0.72
        );

    transition:
        opacity
        var(
            --pf-transition-speed,
            500ms
        )
        ease,

        transform
        var(
            --pf-transition-speed,
            500ms
        )
        ease,

        filter
        var(
            --pf-transition-speed,
            500ms
        )
        ease;
}


/*
 * EREDETI SZÍNEK
 *
 * Ha az újraszínezés checkbox
 * nincs bekapcsolva.
 */
.pf-logo-slider--original
.pf-logo-slider__image {
    filter: none;
}


/*
 * EGYEDI SZÍNEZÉS
 *
 * A PHP által létrehozott SVG
 * color matrix filtert használjuk.
 */
.pf-logo-slider--recolor
.pf-logo-slider__image {
    filter:
        var(
            --pf-logo-tint-filter
        );
}


/*
 * Hover
 */
.pf-logo-slider__link:hover,
.pf-logo-slider__link:focus-visible,
.pf-logo-slider__logo:hover {
    transform: translateY(-2px);
}


/*
 * Hoverkor a logó mindig
 * az eredeti gyári színeire vált.
 */
.pf-logo-slider__link:hover .pf-logo-slider__image,
.pf-logo-slider__link:focus-visible .pf-logo-slider__image,
.pf-logo-slider__logo:hover .pf-logo-slider__image {
    filter: none;

    opacity:
        var(
            --pf-logo-hover-opacity,
            1
        );

    transform:
        scale(1.04);
}

/*
 * Ha nincs újraszínezés bekapcsolva,
 * akkor hoverkor se változzon a filter.
 */
.pf-logo-slider--original .pf-logo-slider__image {
    filter: none;
}

/*
 * Navigációs nyilak
 */
.pf-logo-slider__nav {
    width: 52px;
    height: 64px;

    padding: 0;
    margin: 0;

    border:
        0 !important;

    border-radius:
        0 !important;

    background:
        transparent !important;

    box-shadow:
        none !important;

    color:
        var(
            --pf-arrow-color,
            #777777
        );

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

    cursor: pointer;

    opacity: 0.75;

    outline: none;

    appearance: none;
    -webkit-appearance: none;

    transition:
        opacity 180ms ease,
        transform 180ms ease,
        color 180ms ease;
}


/*
 * Maga a nyíl
 */
.pf-logo-slider__nav span {
    display: block;

    font-size: 42px;

    line-height: 1;

    font-weight: 300;

    transform:
        translateY(-1px);

    pointer-events: none;
}


/*
 * Nyíl hover
 */
.pf-logo-slider__nav:hover,
.pf-logo-slider__nav:focus-visible {
    background:
        transparent !important;

    border:
        0 !important;

    box-shadow:
        none !important;

    opacity: 1;

    transform:
        scale(1.10);

    color:
        var(
            --pf-arrow-color,
            #777777
        );
}


/*
 * Billentyűzet fókusz
 */
.pf-logo-slider__nav:focus-visible {
    outline:
        2px solid
        var(
            --pf-arrow-color,
            #777777
        );

    outline-offset: 2px;
}


/*
 * Üres slider
 */
.pf-logo-slider-empty {
    padding: 16px;

    border:
        1px dashed #bbb;

    border-radius: 8px;
}


/*
 * Tablet
 */
@media (
    max-width: 1024px
) {

    .pf-logo-slider {
        --pf-visible:
            var(
                --pf-visible-tablet
            );

        --pf-gap: 22px;

        grid-template-columns:
            46px
            minmax(0, 1fr)
            46px;
    }

    .pf-logo-slider__nav {
        width: 46px;
        height: 58px;
    }

    .pf-logo-slider__nav span {
        font-size: 38px;
    }
}


/*
 * Mobil
 */
@media (
    max-width: 640px
) {

    .pf-logo-slider {
        --pf-visible:
            var(
                --pf-visible-mobile
            );

        --pf-gap: 16px;

        grid-template-columns:
            34px
            minmax(0, 1fr)
            34px;

        gap: 4px;
    }

    .pf-logo-slider__nav {
        width: 34px;
        height: 52px;
    }

    .pf-logo-slider__nav span {
        font-size: 34px;
    }

    .pf-logo-slider__slide {
        padding-inline: 4px;
    }

    .pf-logo-slider__link,
    .pf-logo-slider__logo {
        min-height: 80px;
    }
}


/*
 * Reduced motion
 */
@media (
    prefers-reduced-motion: reduce
) {

    .pf-logo-slider__track,
    .pf-logo-slider__image,
    .pf-logo-slider__link,
    .pf-logo-slider__logo,
    .pf-logo-slider__nav {
        transition: none;
    }
}