/* =====================================================
   Luma Jewelry — Single Product Page (Pavoi-style)
   ===================================================== */

/* Container — Pavoi fluid width (matched to pavoi.com) */
.luma-container {
    width: 100%;
    padding-left: max(32px, calc((100vw - 1440px) / 2));
    padding-right: max(32px, calc((100vw - 1440px) / 2));
}

@media (max-width: 767.98px) {
    .luma-container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* --- Breadcrumb --- */
.luma-single-breadcrumb {
    padding: 16px 0;
    border-bottom: 1px solid var(--luma-gray-200);
    margin-bottom: 32px;
}

.luma-single-breadcrumb .woocommerce-breadcrumb {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.84px;
    color: var(--luma-gray-600);
    margin: 0;
}

.luma-single-breadcrumb .woocommerce-breadcrumb a {
    color: var(--luma-gray-600);
    text-decoration: none;
}

.luma-single-breadcrumb .woocommerce-breadcrumb a:hover {
    color: var(--luma-black);
}

.luma-single-breadcrumb .woocommerce-breadcrumb .delimiter {
    margin: 0 8px;
    color: var(--luma-gray-300);
}

.luma-single-breadcrumb .woocommerce-breadcrumb .current {
    color: var(--luma-black);
}

/* Reset WooCommerce outer wrappers */
.woocommerce div.product {
    position: static;
}

.woocommerce-notices-wrapper {
    max-width: 1440px;
    margin: 0 auto 20px;
    padding: 0 24px;
}

/* --- Two-Column Layout --- */
.luma-single-product {
    display: flex;
    gap: 48px;
    margin-bottom: 60px;
}

/* =====================================================
   PRODUCT GALLERY
   ===================================================== */
.luma-product-gallery {
    flex: 0 0 55%;
    max-width: 55%;
    display: flex;
    gap: 16px;
    position: relative;
    align-items: flex-start;
}

/* Thumbnails — vertical strip */
.luma-product-gallery__thumbs {
    flex: 0 0 80px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 560px;
    overflow-y: auto;
    scrollbar-width: thin;
    padding-right: 4px;
}

.luma-product-gallery__thumbs::-webkit-scrollbar {
    width: 3px;
}

.luma-product-gallery__thumbs::-webkit-scrollbar-thumb {
    background: var(--luma-gray-300);
    border-radius: 10px;
}

.luma-product-gallery__thumb {
    flex: 0 0 80px;
    width: 80px;
    height: 80px;
    border: 1.5px solid var(--luma-gray-200);
    border-radius: var(--luma-radius-sm);
    overflow: hidden;
    cursor: pointer;
    padding: 0;
    background: transparent;
    transition: border-color 0.2s ease;
    position: relative;
}

.luma-product-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.luma-product-gallery__thumb:hover {
    border-color: var(--luma-gray-500);
}

.luma-product-gallery__thumb.is-active {
    border-color: var(--luma-dark);
    box-shadow: 0 0 0 1px var(--luma-dark);
}

/* Main Image */
.luma-product-gallery__main {
    flex: 1;
    position: relative;
    border-radius: var(--luma-radius-md);
    overflow: hidden;
    background: var(--luma-gray-50);
}

.luma-product-gallery__main--placeholder {
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.luma-product-gallery__placeholder {
    text-align: center;
    color: var(--luma-gray-300);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}

.luma-product-gallery__main-inner {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    cursor: zoom-in;
}

.luma-product-gallery__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.luma-product-gallery__img.is-active {
    opacity: 1;
    pointer-events: auto;
}

/* Mobile dots */
.luma-product-gallery__dots {
    display: none;
    justify-content: center;
    gap: 8px;
    padding: 12px 0;
    position: absolute;
    bottom: 8px;
    left: 0;
    right: 0;
    z-index: 2;
}

.luma-product-gallery__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0,0,0,0.2);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: var(--luma-transition);
}

.luma-product-gallery__dot.is-active {
    background: var(--luma-dark);
}

/* Mobile prev/next */
.luma-product-gallery__prev,
.luma-product-gallery__next {
    display: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.85);
    border: 1px solid var(--luma-gray-200);
    color: var(--luma-black);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 0;
    transition: var(--luma-transition);
}

.luma-product-gallery__prev { left: 8px; }
.luma-product-gallery__next { right: 8px; }

.luma-product-gallery__prev:hover,
.luma-product-gallery__next:hover {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}

/* =====================================================
   PRODUCT SUMMARY
   ===================================================== */
.luma-product-summary {
    flex: 1;
    min-width: 0;
    padding-top: 8px;
}

/* Rating */
.luma-product-summary__rating {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.luma-stars {
    display: flex;
    gap: 2px;
    color: var(--luma-black);
}

.luma-product-summary__rating-count {
    font-size: 13px;
    color: var(--luma-gray-500);
    font-weight: 500;
}

/* Title */
.luma-product-summary__title {
    font-family: var(--luma-font-body);
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.42px;
    line-height: 1.3;
    color: var(--luma-black);
    margin: 0 0 12px;
    text-transform: uppercase;
}

/* Price */
.luma-product-summary__price {
    margin-bottom: 16px;
}

.luma-product-summary__price .price {
    font-size: 20px;
    font-weight: 600;
    color: var(--luma-black);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.luma-product-summary__price del {
    font-size: 16px;
    font-weight: 400;
    color: var(--luma-gray-500);
    opacity: 0.7;
}

.luma-product-summary__price ins {
    text-decoration: none;
    color: var(--luma-dark);
}

/* Short Description */
.luma-product-summary__desc {
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--luma-gray-600);
    margin-bottom: 20px;
}

/* Afterpay */
.luma-product-summary__afterpay {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--luma-gray-600);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* =====================================================
   VARIATION FORM (Pavoil-style)
   ===================================================== */
.luma-variations-form {
    margin-bottom: 0;
}

.luma-variations-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

.luma-variations-list__item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.luma-variations-list__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.72px;
    color: var(--luma-black);
}

.luma-variations-list__selected-value {
    font-size: 11px;
    font-weight: 500;
    color: var(--luma-gray-500);
}

/* Color Swatches */
.luma-variation-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.luma-variation-swatch {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    padding: 3px;
    border: 2px solid transparent;
    background: transparent;
    cursor: pointer;
    position: relative;
    transition: var(--luma-transition);
}

.luma-variation-swatch:hover {
    border-color: var(--luma-gray-300);
}

.luma-variation-swatch.is-selected {
    border-color: var(--luma-dark);
}

.luma-swatch__color {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    border: 1px solid rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--luma-gray-500);
}

/* Pill select wrapper */
.luma-variation-options {
    width: 100%;
}

/* Styled Select */
.luma-variation-select {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--luma-font-body);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.42px;
    color: var(--luma-black);
    background-color: var(--luma-white);
    border: 1.5px solid var(--luma-gray-200);
    border-radius: var(--luma-radius-sm);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23405051'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 10px;
    cursor: pointer;
    transition: border-color 0.2s ease;
    max-width: 100%;
}

.luma-variation-select:hover {
    border-color: var(--luma-dark);
}

.luma-variation-select:focus {
    outline: none;
    border-color: var(--luma-dark);
    box-shadow: 0 0 0 2px rgba(64,80,81,0.1);
}

/* Reset variations link */
.reset_variations {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.84px;
    color: var(--luma-gray-500);
    margin-top: 4px;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.reset_variations:hover {
    color: var(--luma-dark);
}

/* =====================================================
   ADD TO CART
   ===================================================== */
.luma-product-summary__addtocart-wrapper form.cart,
.luma-variations-form .single_variation_wrap {
    margin-bottom: 0;
}

/* Quantity selector */
.luma-product-summary .quantity,
.luma-variations-form .quantity {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--luma-gray-200);
    border-radius: var(--luma-radius-sm);
    overflow: hidden;
    height: 48px;
    margin-bottom: 12px;
    width: fit-content;
}

.luma-product-summary .quantity input[type="number"],
.luma-variations-form .quantity input[type="number"] {
    width: 60px;
    height: 100%;
    border: none;
    text-align: center;
    font-size: 14px;
    font-family: var(--luma-font-body);
    font-weight: 600;
    color: var(--luma-black);
    background: transparent;
    -moz-appearance: textfield;
    padding: 0;
}

.luma-product-summary .quantity input[type="number"]::-webkit-inner-spin-button,
.luma-product-summary .quantity input[type="number"]::-webkit-outer-spin-button,
.luma-variations-form .quantity input[type="number"]::-webkit-inner-spin-button,
.luma-variations-form .quantity input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.luma-product-summary .quantity button,
.luma-variations-form .quantity button {
    width: 48px;
    height: 100%;
    border: none;
    background: transparent;
    font-size: 18px;
    font-weight: 400;
    color: var(--luma-black);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: var(--luma-transition);
}

.luma-product-summary .quantity button:hover,
.luma-variations-form .quantity button:hover {
    background: var(--luma-gray-100);
}

/* Add to Cart Button */
.luma-product-summary .single_add_to_cart_button,
.luma-product-summary .button.single_add_to_cart_button,
.luma-variations-form .single_add_to_cart_button,
.luma-variations-form .button.single_add_to_cart_button {
    width: 100%;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--luma-font-body);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--luma-white);
    background-color: var(--luma-dark);
    border: none;
    border-radius: var(--luma-radius-sm);
    cursor: pointer;
    transition: var(--luma-transition);
    text-align: center;
    line-height: 1;
}

.luma-product-summary .single_add_to_cart_button:hover,
.luma-variations-form .single_add_to_cart_button:hover {
    background-color: var(--luma-dark-hover);
}

.luma-product-summary .single_add_to_cart_button:disabled,
.luma-variations-form .single_add_to_cart_button:disabled {
    background-color: var(--luma-gray-300);
    cursor: not-allowed;
    color: var(--luma-gray-500);
}

/* Variation single_variation_wrap */
.luma-variations-form .single_variation_wrap .woocommerce-variation-price {
    margin-bottom: 14px;
}

.luma-variations-form .single_variation_wrap .woocommerce-variation-price .price {
    font-size: 20px;
    font-weight: 600;
    color: var(--luma-black);
    margin: 0;
}

.luma-variations-form .single_variation_wrap .woocommerce-variation-availability {
    margin-bottom: 12px;
    font-size: 12px;
    font-weight: 500;
}

.luma-variations-form .single_variation_wrap .woocommerce-variation-availability .in-stock {
    color: #22C55E;
}

.luma-variations-form .woocommerce-variation-add-to-cart {
    display: flex !important;
    flex-wrap: wrap;
    gap: 12px;
}

.luma-variations-form .woocommerce-variation-add-to-cart .quantity {
    margin-bottom: 0;
}

.luma-variations-form .woocommerce-variation-add-to-cart .single_add_to_cart_button {
    flex: 1;
}

/* =====================================================
   IN STOCK NOTICE
   ===================================================== */
.luma-product-summary__in-stock {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--luma-black);
    margin-top: 14px;
    margin-bottom: 14px;
}

/* =====================================================
   WISHLIST
   ===================================================== */
.luma-product-summary__wishlist {
    margin-bottom: 20px;
}

.luma-product-summary__wishlist .yith-wcwl-add-to-wishlist {
    margin: 0;
}

.luma-product-summary__wishlist .yith-wcwl-add-button a,
.luma-product-summary__wishlist .yith-wcwl-wishlistaddedbrowse a,
.luma-product-summary__wishlist .yith-wcwl-wishlistexistsbrowse a {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.84px;
    color: var(--luma-gray-600);
    text-decoration: underline;
    text-underline-offset: 3px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.luma-product-summary__wishlist .yith-wcwl-add-button a:hover {
    color: var(--luma-dark);
}

/* =====================================================
   FEATURES / TRUST BADGES
   ===================================================== */
.luma-product-summary__features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--luma-gray-200);
    margin-top: 20px;
}

.luma-product-summary__feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--luma-gray-600);
}

.luma-product-summary__feature-item svg,
.luma-product-summary__feature-item .feature-icon {
    color: var(--luma-gold);
    flex-shrink: 0;
}

/* Gold sale price highlight */
.luma-product-summary__price ins {
    color: var(--luma-gold);
}

/* =====================================================
   PRODUCT TABS
   ===================================================== */
.luma-product-tabs-section {
    background: var(--luma-gray-50);
    padding: 48px 0 60px;
    border-top: 1px solid var(--luma-gray-200);
}

.luma-product-tabs__nav {
    display: flex;
    gap: 0;
    border-bottom: 1.5px solid var(--luma-gray-200);
    margin-bottom: 32px;
    overflow-x: auto;
    scrollbar-width: none;
}

.luma-product-tabs__nav::-webkit-scrollbar {
    display: none;
}

.luma-product-tabs__tab {
    padding: 12px 24px;
    font-family: var(--luma-font-body);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.84px;
    color: var(--luma-gray-500);
    background: transparent;
    border: none;
    border-bottom: 2.5px solid transparent;
    margin-bottom: -1.5px;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--luma-transition);
}

.luma-product-tabs__tab:hover {
    color: var(--luma-gold);
}

.luma-product-tabs__tab.is-active {
    color: var(--luma-gold);
    border-bottom-color: var(--luma-gold);
}

.luma-product-tabs__panel {
    display: none;
}

.luma-product-tabs__panel.is-active {
    display: block;
    animation: lumaFadeIn 0.3s ease;
}

@keyframes lumaFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.luma-product-tabs__panel-content {
    font-size: 14px;
    line-height: 1.7;
    color: var(--luma-gray-600);
    max-width: unset;
}

.luma-product-tabs__panel-content h2,
.luma-product-tabs__panel-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--luma-black);
    margin-bottom: 12px;
}

.luma-product-tabs__panel-content p {
    margin-bottom: 14px;
}

.luma-product-tabs__panel-content .woocommerce-Reviews-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--luma-black);
}

/* =====================================================
   RELATED PRODUCTS
   ===================================================== */
.luma-related-section {
    padding: 60px 0 80px;
}

.luma-related-section__title {
    font-family: var(--luma-font-body);
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.84px;
    color: var(--luma-black);
    margin: 0 0 20px;
    text-align: center;
}

.luma-related-section__title::after {
    content: '';
    display: block;
    width: 36px;
    height: 2px;
    background: var(--luma-gold);
    margin: 14px auto 28px;
}

.luma-related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.luma-related-card {
    text-align: center;
}

.luma-related-card__image {
    display: block;
    border-radius: var(--luma-radius-md);
    overflow: hidden;
    margin-bottom: 14px;
    background: var(--luma-gray-50);
    aspect-ratio: 1 / 1;
    position: relative;
}

.luma-related-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.luma-related-card__image:hover img {
    transform: scale(1.04);
}

.luma-related-card__info {
    padding: 0 4px;
}

.luma-related-card__title {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.36px;
    color: var(--luma-black);
    margin: 0 0 8px;
    line-height: 1.3;
}

.luma-related-card__title a {
    color: inherit;
    text-decoration: none;
}

.luma-related-card__title a:hover {
    color: var(--luma-dark);
}

.luma-related-card__price {
    font-size: 13px;
    font-weight: 600;
    color: var(--luma-black);
}

.luma-related-card__price del {
    font-weight: 400;
    color: var(--luma-gray-500);
    opacity: 0.7;
    font-size: 12px;
    margin-right: 6px;
}

.luma-related-card__price ins {
    text-decoration: none;
    color: var(--luma-dark);
}

/* =====================================================
   RESPONSIVE — Tablet
   ===================================================== */
@media (max-width: 991px) {
    .luma-single-product {
        flex-direction: column;
        gap: 32px;
    }

    .luma-product-gallery {
        flex: 1;
        max-width: 100%;
        flex-direction: column;
        gap: 0;
    }

    /* Horizontal thumbnails instead of vertical */
    .luma-product-gallery__thumbs {
        display: none; /* hidden on mobile, uses dots instead */
    }

    /* Main image area */
    .luma-product-gallery__main {
        width: 100%;
    }

    .luma-product-gallery__main-inner {
        aspect-ratio: 1 / 1;
    }

    /* Show mobile nav */
    .luma-product-gallery__dots {
        display: flex;
    }

    .luma-product-gallery__prev,
    .luma-product-gallery__next {
        display: flex;
    }

    .luma-product-summary {
        flex: 1;
        padding-top: 0;
    }

    .luma-product-summary__title {
        font-size: 20px;
    }

    .luma-related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* =====================================================
   RESPONSIVE — Mobile
   ===================================================== */
@media (max-width: 575px) {
    .luma-single-breadcrumb {
        padding: 12px 0;
        margin-bottom: 16px;
    }

    .luma-single-breadcrumb .woocommerce-breadcrumb {
        font-size: 10px;
    }

    .luma-single-product {
        gap: 20px;
        margin-bottom: 40px;
    }

    .luma-product-gallery__main-inner {
        aspect-ratio: 1 / 1;
    }

    .luma-product-summary__title {
        font-size: 18px;
    }

    .luma-product-summary__price .price {
        font-size: 18px;
    }

    .luma-product-tabs-section {
        padding: 32px 0 40px;
    }

    .luma-product-tabs__tab {
        padding: 10px 16px;
        font-size: 11px;
    }

    .luma-related-section {
        padding: 40px 0 60px;
    }

    .luma-related-section__title {
        font-size: 16px;
        margin-bottom: 24px;
    }

    .luma-variations-form .woocommerce-variation-add-to-cart {
        flex-direction: column;
    }

    .luma-variations-form .woocommerce-variation-add-to-cart .quantity {
        width: 100% !important;
        justify-content: center;
    }

    .luma-variations-form .woocommerce-variation-add-to-cart .single_add_to_cart_button {
        width: 100%;
    }
}

/* =====================================================
   ENHANCED INTERACTIONS — Pavoi-inspired
   ===================================================== */

/* Gallery — Crossfade between images */
.luma-product-gallery__img {
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Gallery zoom cursor — only on desktop */
@media (hover: hover) and (pointer: fine) {
    .luma-product-gallery__main-inner {
        cursor: crosshair;
    }

    .luma-product-gallery__main-inner:hover .luma-product-gallery__img.is-active {
        transform: scale(1.02);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
}

/* Thumbnail — smooth active transition */
.luma-product-gallery__thumb {
    transition: border-color 0.25s ease,
                box-shadow 0.25s ease,
                transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.luma-product-gallery__thumb:active {
    transform: scale(0.94);
}

.luma-product-gallery__thumb.is-active {
    animation: lumaScaleIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes lumaScaleIn {
    from { opacity: 0; transform: scale(0.92); }
    to   { opacity: 1; transform: scale(1); }
}

/* Swatch — select animation */
.luma-variation-swatch {
    transition: border-color 0.2s ease,
                transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.2s ease;
}

.luma-variation-swatch.is-selected {
    box-shadow: 0 0 0 2px rgba(0,0,0,0.06);
    animation: lumaScaleIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.luma-variation-swatch:active {
    transform: scale(0.9);
}

/* Tab panel — enhanced crossfade */
.luma-product-tabs__panel.is-active {
    animation: lumaCrossfade 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

@keyframes lumaCrossfade {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Tab underline — sliding indicator */
.luma-product-tabs__tab {
    position: relative;
}

.luma-product-tabs__tab::after {
    content: '';
    position: absolute;
    bottom: -1.5px;
    left: 50%;
    width: 0;
    height: 2.5px;
    background: var(--luma-gold);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.luma-product-tabs__tab:hover::after {
    width: 50%;
    left: 25%;
}

.luma-product-tabs__tab.is-active::after {
    width: 100%;
    left: 0;
}

/* Add to Cart — loading spinner */
.single_add_to_cart_button.is-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
    background-color: var(--luma-dark) !important;
}

.single_add_to_cart_button.is-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    margin: auto;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: var(--luma-white);
    border-radius: 50%;
    animation: lumaSpin 0.6s linear infinite;
}

@keyframes lumaSpin {
    to { transform: rotate(360deg); }
}

/* Quantity button — scale feedback */
.quantity button:active {
    transform: scale(0.88);
    transition: transform 0.1s ease;
}

/* Sticky mobile add-to-cart bar */
@media (max-width: 767px) {
    .luma-product-summary__addtocart-sticky {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: var(--luma-white);
        padding: 12px 16px;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
        animation: lumaFadeInDown 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    }

    @keyframes lumaFadeInDown {
        from { opacity: 0; transform: translateY(100%); }
        to   { opacity: 1; transform: translateY(0); }
    }

    /* Mobile zoom — disable zoom, enable swipe */
    .luma-product-gallery__main-inner {
        cursor: default;
        touch-action: pan-x;
    }

    /* Swipe feedback */
    .luma-product-gallery__main.is-swiping .luma-product-gallery__img {
        transition: none !important;
    }
}

/* Price animation on variation change */
.woocommerce-variation-price .price {
    animation: lumaFadeIn 0.3s ease;
}

@keyframes lumaFadeIn {
    from { opacity: 0; transform: translateY(3px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Breadcrumb link hover animation */
.luma-single-breadcrumb .woocommerce-breadcrumb a {
    position: relative;
    transition: color 0.2s ease;
}

.luma-single-breadcrumb .woocommerce-breadcrumb a::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--luma-black);
    transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.luma-single-breadcrumb .woocommerce-breadcrumb a:hover::after {
    width: 100%;
}

/* Gallery next/prev — smooth transition */
.luma-product-gallery__prev,
.luma-product-gallery__next {
    transition: opacity 0.3s ease,
                transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                background 0.25s ease;
}

.luma-product-gallery__prev:active,
.luma-product-gallery__next:active {
    transform: translateY(-50%) scale(0.92);
}