/* ============================================================
   PRODUCT DETAIL PAGE STYLES
   ============================================================ */

.pdp-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding: 40px 0 80px;
}

/* --- Image Gallery --- */
.pdp-gallery {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    align-self: start;
}

.pdp-main-image {
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--off-white);
    margin-bottom: 12px;
    cursor: zoom-in;
}

.pdp-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease-out);
}

.pdp-main-image:hover img {
    transform: scale(1.05);
}

.pdp-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.pdp-thumb {
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.6;
    transition: all 0.3s var(--ease-out);
    background: var(--off-white);
}

.pdp-thumb.active,
.pdp-thumb:hover {
    opacity: 1;
    border-color: var(--black);
}

.pdp-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Product Info --- */
.pdp-info {
    padding-top: 8px;
}

.pdp-brand {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 8px;
    font-weight: 700;
}

.pdp-title {
    font-family: var(--font-head);
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 12px;
    line-height: 1.2;
}

.pdp-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.pdp-stars {
    color: var(--gold);
    font-size: 14px;
    letter-spacing: 2px;
}

.pdp-review-count {
    font-size: 13px;
    color: var(--grey);
}

.pdp-price-block {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--light-grey);
}

.pdp-price {
    font-size: 28px;
    font-weight: 700;
}

.pdp-original-price {
    font-size: 18px;
    color: var(--grey);
    text-decoration: line-through;
}

.pdp-discount {
    font-size: 13px;
    color: var(--error);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pdp-tax-note {
    font-size: 12px;
    color: var(--grey);
    margin-top: 4px;
}

/* Color Selector */
.pdp-section-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
    color: var(--dark-grey);
}

.pdp-section-label span {
    font-weight: 400;
    color: var(--grey);
    text-transform: capitalize;
    letter-spacing: 0;
}

.pdp-colors {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
}

.pdp-color-swatch {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-fast);
    position: relative;
}

.pdp-color-swatch:hover,
.pdp-color-swatch.active {
    border-color: var(--black);
    transform: scale(1.1);
}

/* Size Selector */
.pdp-sizes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.pdp-size {
    min-width: 52px;
    padding: 12px 20px;
    border: 1.5px solid var(--light-grey);
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.pdp-size:hover {
    border-color: var(--black);
}

.pdp-size.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.pdp-size.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    text-decoration: line-through;
}

.pdp-size-guide {
    font-size: 12px;
    color: var(--grey);
    text-decoration: underline;
    margin-bottom: 28px;
    display: inline-block;
    cursor: pointer;
    transition: var(--transition-fast);
}

.pdp-size-guide:hover {
    color: var(--black);
}

/* Quantity */
.pdp-quantity {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 28px;
}

.qty-btn {
    width: 48px;
    height: 48px;
    border: 1.5px solid var(--light-grey);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition-fast);
    background: var(--white);
    color: var(--black);
    user-select: none;
}

.qty-btn:hover {
    background: var(--off-white);
}

.qty-value {
    width: 56px;
    height: 48px;
    border-top: 1.5px solid var(--light-grey);
    border-bottom: 1.5px solid var(--light-grey);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

/* Action Buttons */
.pdp-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
}

.pdp-add-to-cart {
    flex: 1;
    padding: 18px 32px;
    background: var(--black);
    color: var(--white);
    border: 1.5px solid var(--black);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.pdp-add-to-cart:hover {
    background: var(--gold);
    border-color: var(--gold);
}

.pdp-wishlist-btn {
    width: 56px;
    height: 56px;
    border: 1.5px solid var(--light-grey);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    background: var(--white);
}

.pdp-wishlist-btn:hover {
    border-color: var(--black);
}

.pdp-wishlist-btn svg {
    width: 20px;
    height: 20px;
    stroke: var(--black);
    fill: none;
}

.pdp-wishlist-btn.active svg {
    fill: var(--error);
    stroke: var(--error);
}

/* Delivery info */
.pdp-delivery {
    padding: 20px;
    background: var(--off-white);
    margin-bottom: 28px;
}

.pdp-delivery-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 13px;
    color: var(--dark-grey);
}

.pdp-delivery-item svg {
    width: 18px;
    height: 18px;
    stroke: var(--gold);
    fill: none;
    flex-shrink: 0;
}

/* Accordions */
.pdp-accordions {
    border-top: 1px solid var(--light-grey);
    margin-top: 8px;
}

/* --- You Might Also Like --- */
.related-section {
    padding: 80px 0;
    background: var(--off-white);
}

.related-scroll {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* --- Mobile Sticky Add to Cart --- */
.pdp-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--light-grey);
    padding: 12px 16px;
    z-index: 900;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}

.pdp-sticky-bar .pdp-add-to-cart {
    width: 100%;
    padding: 16px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .pdp-layout {
        gap: 40px;
    }

    .related-scroll {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .pdp-layout {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 24px 0 100px;
    }

    .pdp-gallery {
        position: static;
    }

    .pdp-title {
        font-size: 26px;
    }

    .pdp-sticky-bar {
        display: block;
    }

    .related-scroll {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .related-scroll {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}