/* =========================================================
   GR PARTNERS - partners.css
   - full width jak whyus
   - ciągły loop (animacja na TRACK)
   - działa z JS który klonuje CAŁĄ .gr-partners__row
   ========================================================= */

.gr-partners {
    /* FULL WIDTH */
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    width: 100vw;

    background: #d8e8cf;
    padding: 88px 0 96px;

    --gr-gap: 40px;
    --gr-loop-gap: 40px;
    --gr-loop-duration: 24s;
}

/* szeroki container w środku */
.gr-partners .gr-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 48px;
}

.gr-center {
    text-align: center;
    margin-bottom: 36px;
}

.gr-h3 {
    font-size: 34px;
    font-weight: 600;
    margin: 0;
    color: #111827;
}

.gr-muted {
    margin-top: 12px;
    font-size: 16px;
    color: #6b7280;
}

/* =========================================================
   CAROUSEL
   ========================================================= */

.gr-partners__viewport {
    overflow: hidden;
    width: 100%;
}

/* TRACK musi być flex, bo są 2 rows obok siebie */
.gr-partners__track {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    width: max-content;
}

/* jedna lista */
.gr-partners__row {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--gr-gap);
    width: max-content;
    padding: 16px 12px;
}

/* przerwa między 1 listą a klonem (drugi row) */
.gr-partners__row + .gr-partners__row {
    padding-left: var(--gr-loop-gap);
}

/* =========================================================
   CARD
   ========================================================= */

.gr-partners__item {
    flex: 0 0 auto;

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

    width: 260px;
    height: 140px;

    background: #ffffff;
    border-radius: 22px;

    border: 1px solid #edf0f4;
    box-shadow:
            0 18px 35px rgba(0, 0, 0, 0.06),
            0 4px 10px rgba(0, 0, 0, 0.04);

    transition: transform .25s ease, box-shadow .25s ease;
}

.gr-partners__item:hover {
    transform: translateY(-4px);
    box-shadow:
            0 26px 50px rgba(0, 0, 0, 0.10),
            0 8px 18px rgba(0, 0, 0, 0.06);
}

.gr-partners__item img {
    max-height: 64px;
    max-width: 180px;
    width: auto;
    height: auto;
    object-fit: contain;

    filter: none;
    opacity: 1;

    transition: transform .25s ease;
}

.gr-partners__item:hover img {
    transform: scale(1.04);
}

/* =========================================================
   LOOP
   - animacja na TRACK
   - JS ustawia --gr-loop-width jako np. "850px" (DODATNIE)
   - MY zawsze przesuwamy w lewo -> * -1
   - fallback gdy JS nie ustawi: -50%
   ========================================================= */

.gr-partners--loop .gr-partners__track {
    animation: grPartnersMarquee var(--gr-loop-duration, 24s) linear infinite;
    will-change: transform;
}

.gr-partners--loop:hover .gr-partners__track {
    animation-play-state: paused;
}

@keyframes grPartnersMarquee {
    from { transform: translateX(0); }
    to {
        transform: translateX(
                calc(var(--gr-loop-width, 50%) * -1)
        );
    }
}

/* =========================================================
   STATIC fallback
   ========================================================= */

.gr-partners--static .gr-partners__track {
    width: 100%;
    justify-content: center;
}

.gr-partners--static .gr-partners__row {
    width: 100%;
    justify-content: center;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 991px) {
    .gr-partners {
        padding: 64px 0 72px;
        --gr-gap: 28px;
        --gr-loop-gap: 28px;
    }

    .gr-partners .gr-container {
        padding: 0 24px;
    }

    .gr-h3 { font-size: 28px; }

    .gr-partners__item {
        width: 220px;
        height: 120px;
        border-radius: 20px;
    }

    .gr-partners__item img {
        max-height: 58px;
        max-width: 160px;
    }
}

@media (max-width: 575px) {
    .gr-partners .gr-container {
        padding: 0 16px;
    }

    .gr-center { margin-bottom: 28px; }
    .gr-h3 { font-size: 24px; }
    .gr-muted { font-size: 14px; }

    .gr-partners {
        --gr-gap: 22px;
        --gr-loop-gap: 22px;
    }

    .gr-partners__item {
        width: 200px;
        height: 110px;
        border-radius: 18px;
    }

    .gr-partners__item img {
        max-height: 52px;
        max-width: 150px;
    }
}

/* =========================================================
   ACCESSIBILITY
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    .gr-partners--loop .gr-partners__track {
        animation: none !important;
        transform: none !important;
    }
}