.product-section {
    display: flex;
    gap: 40px;
    padding: 80px 60px;
    background: #fde0b2;
}

/* LEFT */
.product-menu {
    width: 260px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.menu-item {
    background: #c62828;
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
}

.menu-item.active {
    background: #a00000;
}

.download-box {
    margin-top: 30px;
}

.download-btn {
    display: block;
    background: #fff;
    border: 3px solid #c62828;
    color: #c62828;
    padding: 20px;
    text-align: center;
    border-radius: 20px;
    text-decoration: none;
    font-weight: bold;
}

/* RIGHT */
.product-content {
    flex: 1;
    background: #f5e6d3;
    border-radius: 40px;
    padding: 40px;
}

.content-item {
    display: none;
}

.content-item.active {
    display: block;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.content-grid img,
.main-image {
    width: 100%;
    border-radius: 20px;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    max-width: 1000px;
    overflow: hidden;
}

.slider-track {
    display: flex;
    transition: transform 0.4s ease;
}

.slider-track img {
    width: 100%;
    flex-shrink: 0;
    border-radius: 12px;
}

/* BUTTON */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    font-size: 22px;
    padding: 10px 14px;
    cursor: pointer;
    z-index: 10;
    border-radius: 50%;
}

.slider-btn.prev { left: 10px; }
.slider-btn.next { right: 10px; }

.slider-btn:hover {
    background: rgba(0,0,0,0.8);
}
/* ZOOM MODAL */
.zoom-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    inset: 0;
    background: rgba(0,0,0,0.85);
    justify-content: center;
    align-items: center;
}

.zoom-modal.active {
    display: flex;
}

.zoom-image {
    max-width: 90%;
    max-height: 90%;
    transition: transform 0.2s ease;
    cursor: zoom-in;
}

.zoom-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
}