.product-page {
    max-width: 1200px;
    margin: 40px auto;
    display: flex;
    gap: 60px;
    padding: 20px;
}

/* LEFT SIDE */
.product-gallery {
    display: flex;
    gap: 20px;
}

.thumbs {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.thumb {
    width: 70px;
    height: 70px;
    object-fit: contain;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 6px;
    cursor: pointer;
    background: #fff;
}

.thumb.active,
.thumb:hover {
    border-color: #3bb77e;
}

/* MAIN IMAGE */
.main-image {
    width: 380px;
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.main-image img {
    width: 100%;
    object-fit: contain;
}

/* RIGHT SIDE */
.product-info h1 {
    font-size: 30px;
    margin-bottom: 16px;
}

.description {
    font-size: 16px;
    color: #555;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* FEATURES */
.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 30px;
    margin-bottom: 25px;
}

.features li {
    list-style: none;
    color: #333;
    font-size: 15px;
    position: relative;
    padding-left: 20px;
}

.features li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: #3bb77e;
}

/* PRICE */
.price-box {
    margin: 25px 0;
}

.price {
    font-size: 32px;
    font-weight: bold;
    color: #2e7d32;
    margin-right: 15px;
}

.price-box del {
    font-size: 18px;
    color: #999;
    margin-right: 10px;
}

.off {
    color: #3bb77e;
    font-weight: 600;
}

/* QTY */
.quantity {
    margin-bottom: 25px;
    font-size: 16px;
}

/* ADD TO CART */
.add-to-cart {
    background: #3bb77e;
    color: #fff;
    font-size: 18px;
    border: none;
    padding: 14px 40px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

.add-to-cart:hover {
    background: #2fa66c;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .product-page {
        flex-direction: column;
    }

    .main-image {
        width: 100%;
    }

    .product-gallery {
        justify-content: center;
    }
}
.cart-action,
.qty-box {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.add-to-cart-btn {
    background: #38b56c;
    color: #fff;
    border: none;
    padding: 10px 26px;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
}

.qty-box {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
}

.qty-btn {
    width: 34px;
    height: 34px;
    border: none;
    background: #f7f7f7;
    font-size: 18px;
    cursor: pointer;
}

.qty-value {
    width: 36px;
    text-align: center;
    font-weight: 600;
}

.hidden {
    display: none;
}
.hidden {
    display: none !important;
}