.desc-buy-col {
    position: fixed;
    top: 50%;
    right: 15%;
    /* Změna z 40px na 15% */
    transform: translateY(-50%);
    width: 350px;
    /* Změna z 220px na 300px */
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 18px 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .08);
    text-align: center;
    z-index: 999;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transition: opacity .2s ease;
}


/* Viditelný stav na desktopu (když odskroluješ z hlavního tlačítka) */

.desc-buy-col.is-visible {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
}


/* ZASEKNUTÝ STAV: Když dorazí k elementu trava-detail */

.desc-buy-col.is-stuck {
    position: absolute !important;
    top: var(--stuck-top, auto) !important;
    /* right: 40px !important; <-- ODEBRÁNO */
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
}

.desc-buy-col .sbw-img {
    max-width: 100%;
    height: auto;
    margin-bottom: 12px;
    border-radius: 4px;
}

.desc-buy-col .sbw-price {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 6px;
}

.desc-buy-col .sbw-availability {
    color: #009901;
    font-size: 14px;
    margin-bottom: 4px;
}

.desc-buy-col .sbw-delivery {
    color: #777;
    font-size: 13px;
    margin-bottom: 14px;
}

.desc-buy-col .sbw-btn {
    width: 100%;
    padding: 12px;
    border: none !important;
    border-radius: 6px;
    background: #e08f2a !important;
    color: #fff !important;
    font-weight: 600;
    cursor: pointer;
    font-size: 15px;
}

.desc-buy-col .sbw-btn:hover {
    background: #c97a1f !important;
}


/* DOČASNÉ SKRYTÍ NA MOBILU */

@media (max-width: 900px) {
    .desc-buy-col,
    .desc-buy-col.is-stuck,
    .desc-buy-col.is-visible {
        display: none !important;
        /* Až budeš chtít box na mobilu vrátit, smaž tento řádek a odkomentuj kód níže */
        /* position: static !important;
    width: 100%;
    margin: 20px 0;
    top: auto;
    transform: none;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    */
    }
}