/* Product Layout */
.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 4rem 5%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.product-gallery {
    position: relative;
    background-color: var(--color-bg-light);
    border-radius: 8px;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.product-gallery img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2rem;
}

.product-info-detail {
    display: flex;
    flex-direction: column;
}

.product-category-detail {
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.product-title-detail {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
    line-height: 1.1;
}

.product-certifications {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-bg-light);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.product-price-detail {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.product-description-detail {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.add-to-cart-wrapper {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-add {
    flex-grow: 1;
    text-align: center;
    font-size: 1rem;
}

/* Accordions */
.product-accordions details {
    border-bottom: 1px solid var(--color-border);
}

.product-accordions details:first-of-type {
    border-top: 1px solid var(--color-border);
}

.product-accordions summary {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text);
    padding: 1.2rem 0;
    cursor: pointer;
    list-style: none;
    /* Hide default arrow */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-accordions summary::-webkit-details-marker {
    display: none;
}

.product-accordions summary::after {
    content: '+';
    color: var(--color-accent);
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}

.product-accordions details[open] summary::after {
    content: '−';
}

.product-accordions .accordion-content {
    padding-bottom: 1.5rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

@media (max-width: 900px) {
    .product-detail-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-gallery {
        height: 400px;
    }
}