.single-product .site-main { padding-top: clamp(1.25rem, 3vw, 2.5rem); }
.single-product div.product { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.single-product div.product::before,
.single-product div.product::after { display: none; }
.single-product div.product .woocommerce-product-gallery { float: none; width: auto; margin: 0; min-width: 0; }
.single-product div.product .summary { float: none; width: auto; margin: 0; min-width: 0; position: sticky; top: 1rem; }
.single-product div.product .woocommerce-product-gallery__wrapper { border: 1px solid var(--ret-line); border-radius: var(--ret-radius); overflow: hidden; background: #fff; }
.single-product div.product .woocommerce-product-gallery__image a { display: block; }
.single-product div.product .woocommerce-product-gallery__image img { width: 100%; height: auto; object-fit: contain; background: #fff; }
.single-product .flex-control-thumbs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .55rem; margin-top: .75rem !important; }
.single-product .flex-control-thumbs li { width: auto !important; float: none !important; border: 1px solid var(--ret-line); border-radius: .6rem; overflow: hidden; }
.single-product .flex-control-thumbs img { margin: 0 !important; }

.ret-product-eyebrow { margin: 0 0 .55rem; color: var(--ret-accent); font-size: .76rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.single-product div.product .product_title { margin-bottom: .8rem; max-width: 18ch; }
.single-product .woocommerce-product-rating { margin-bottom: 1rem !important; }
.single-product div.product p.price,
.single-product div.product span.price { margin: .3rem 0 .25rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.ret-product-unit-price { margin: 0 0 1.1rem; color: var(--ret-muted); font-size: .92rem; }
.ret-product-unit-price.is-empty:empty { display: none; }
.ret-product-unit-price .rec-unit-price { display: inline-flex; align-items: center; padding: .3rem .55rem; border: 1px solid var(--ret-line); border-radius: 999px; background: var(--ret-surface-soft); font-weight: 700; color: var(--ret-ink); }
.single-product .woocommerce-product-details__short-description { margin: 1.25rem 0; font-size: 1rem; line-height: 1.7; }
.single-product .woocommerce-product-details__short-description > :first-child { margin-top: 0; }
.single-product .woocommerce-product-details__short-description > :last-child { margin-bottom: 0; }

.single-product div.product form.cart { display: flex; flex-wrap: wrap; gap: .7rem; align-items: stretch; margin: 1.35rem 0; }
.single-product div.product form.cart .variations { flex: 1 0 100%; margin: 0; }
.single-product div.product form.cart .variations th,
.single-product div.product form.cart .variations td { display: block; padding: 0 0 .6rem; text-align: left; }
.single-product div.product form.cart .variations label { display: block; margin-bottom: .35rem; color: var(--ret-ink); font-size: .9rem; font-weight: 800; }
.single-product div.product form.cart .variations select { width: 100%; min-height: 46px; padding: .6rem .75rem; border: 1px solid var(--ret-line); border-radius: var(--ret-radius-sm); background: #fff; }
.single-product div.product form.cart .quantity { margin: 0 !important; }
.single-product div.product form.cart .quantity .qty { height: 100%; min-height: 48px; }
.single-product div.product form.cart .single_add_to_cart_button { flex: 1 1 220px; min-height: 48px; margin: 0; border-radius: var(--ret-radius-sm); font-weight: 850; }
.single-product div.product form.cart .single_add_to_cart_button.disabled { opacity: .55; }
.single-product .reset_variations { display: inline-block; margin-top: .35rem; font-size: .86rem; }
.single-product .woocommerce-variation-price { margin: .7rem 0; }
.single-product .woocommerce-variation-availability { margin-bottom: .5rem; }
.single-product .stock { color: var(--ret-muted); font-weight: 700; }
.single-product .stock.in-stock { color: #217a4a; }
.single-product .stock.out-of-stock { color: var(--ret-danger); }
.single-product .product_meta { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--ret-line); color: var(--ret-muted); font-size: .86rem; line-height: 1.8; }
.single-product .product_meta > span { display: block; }

.ret-variation-buttons { display: flex; flex-wrap: wrap; gap: .45rem; margin: .1rem 0 .2rem; }
.ret-variation-button { min-height: 42px; padding: .55rem .8rem; border: 1px solid var(--ret-line); border-radius: .65rem; background: #fff; color: var(--ret-ink); font: inherit; font-size: .9rem; font-weight: 800; cursor: pointer; }
.ret-variation-button:hover { border-color: var(--ret-ink); }
.ret-variation-button[aria-pressed="true"] { border-color: var(--ret-accent); background: var(--ret-accent); color: #fff; }
.ret-variation-button:disabled { opacity: .35; cursor: not-allowed; }
.ret-variation-enhanced .variations select { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

.ret-product-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .55rem; margin: 1.25rem 0; }
.ret-product-action { display: flex; align-items: center; gap: .6rem; min-width: 0; padding: .75rem; border: 1px solid var(--ret-line); border-radius: .75rem; background: #fff; text-decoration: none; }
.ret-product-action > span:first-child { display: grid; place-items: center; flex: 0 0 34px; min-height: 34px; border-radius: .55rem; background: var(--ret-surface-soft); color: var(--ret-accent); font-size: .72rem; font-weight: 900; }
.ret-product-action strong,
.ret-product-action small { display: block; }
.ret-product-action strong { color: var(--ret-ink); font-size: .83rem; line-height: 1.2; }
.ret-product-action small { margin-top: .18rem; color: var(--ret-muted); font-size: .7rem; line-height: 1.25; }

.single-product div.product > .woocommerce-tabs,
.single-product div.product > .related,
.single-product div.product > .up-sells,
.single-product div.product > .ret-product-profile,
.single-product div.product > .ret-product-cross-sells,
.single-product div.product > .ret-product-faq { grid-column: 1 / -1; width: 100%; }
.single-product .woocommerce-tabs { padding-top: clamp(2rem, 5vw, 4rem); }
.single-product .woocommerce-tabs .panel { max-width: 900px; line-height: 1.75; }
.single-product .woocommerce-tabs .panel h2:first-child { font-size: clamp(1.5rem, 3vw, 2.1rem); }

.ret-product-profile,
.ret-product-cross-sells,
.ret-product-faq { clear: both; padding-top: clamp(2.5rem, 6vw, 5rem); }
.ret-product-section-head { max-width: 760px; margin-bottom: 1.35rem; }
.ret-product-section-head h2 { margin: .15rem 0 .55rem; font-size: clamp(1.65rem, 3vw, 2.35rem); letter-spacing: -.025em; }
.ret-product-section-head > p:last-child { margin: 0; color: var(--ret-muted); }
.ret-product-specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin: 0; }
.ret-product-spec { padding: 1rem; border: 1px solid var(--ret-line); border-radius: var(--ret-radius-sm); background: #fff; }
.ret-product-spec dt { margin-bottom: .35rem; color: var(--ret-muted); font-size: .78rem; font-weight: 750; }
.ret-product-spec dd { margin: 0; color: var(--ret-ink); font-size: 1.02rem; font-weight: 850; }
.ret-product-spec small { display: block; margin-top: .6rem; color: var(--ret-muted); font-size: .68rem; line-height: 1.35; }
.ret-product-applications,
.ret-product-technical-note { margin-top: 1rem; padding: 1.1rem; border: 1px solid var(--ret-line); border-radius: var(--ret-radius-sm); background: var(--ret-surface-soft); }
.ret-product-applications h3,
.ret-product-technical-note h3 { margin: 0 0 .75rem; font-size: 1rem; }
.ret-product-applications ul { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0; padding: 0; list-style: none; }
.ret-product-applications li { padding: .4rem .65rem; border-radius: 999px; background: #fff; border: 1px solid var(--ret-line); font-size: .84rem; }
.ret-product-technical-note p { margin: 0; line-height: 1.65; }
.ret-product-source { margin: .7rem 0 0 !important; color: var(--ret-muted); font-size: .72rem; }

.ret-product-cross-sells ul.products { margin-top: 0; }
.ret-product-faq-list { max-width: 900px; border-top: 1px solid var(--ret-line); }
.ret-product-faq-list details { border-bottom: 1px solid var(--ret-line); }
.ret-product-faq-list summary { position: relative; padding: 1rem 2rem 1rem 0; cursor: pointer; font-weight: 850; list-style: none; }
.ret-product-faq-list summary::-webkit-details-marker { display: none; }
.ret-product-faq-list summary::after { content: '+'; position: absolute; right: .35rem; top: 50%; transform: translateY(-50%); font-size: 1.35rem; }
.ret-product-faq-list details[open] summary::after { content: '−'; }
.ret-product-faq-list details > div { padding: 0 2rem 1rem 0; color: var(--ret-muted); line-height: 1.7; }
.ret-product-faq-list details > div p { margin: 0; }
.ret-product-faq-list details > div small { display: block; margin-top: .65rem; font-size: .72rem; }

@media (max-width: 980px) {
    .single-product div.product { grid-template-columns: minmax(0, 1fr) minmax(300px, .9fr); gap: 2rem; }
    .ret-product-actions { grid-template-columns: 1fr; }
    .ret-product-specs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
    .single-product div.product { display: block; }
    .single-product div.product .summary { position: static; margin-top: 1.5rem; }
    .single-product div.product .product_title { max-width: none; font-size: clamp(1.85rem, 8vw, 2.5rem); }
    .single-product .flex-control-thumbs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .ret-product-actions { grid-template-columns: 1fr 1fr; }
    .ret-product-specs { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .ret-product-actions { grid-template-columns: 1fr; }
    .single-product div.product form.cart .quantity { flex: 0 0 74px; }
    .single-product div.product form.cart .single_add_to_cart_button { flex-basis: calc(100% - 84px); }
}

/* === 0.4.3 full-width product + bounded sticky === */
/* The product page gets a wider commercial canvas than catalog/content pages. */
.single-product .site-main,
.single-product.ret-commerce-screen .ret-main {
    width: min(calc(100% - clamp(1.5rem, 4vw, 5rem)), 1560px);
    max-width: none;
    margin-inline: auto;
    padding-top: clamp(1.25rem, 2.5vw, 2.5rem);
    padding-bottom: var(--ret-space-7);
}

/* WooCommerce keeps the outer product node. Our primary wrapper owns only gallery + purchase summary.
   Tabs, long description and related products remain after this wrapper, which is the sticky boundary. */
.single-product div.product {
    display: block;
    width: 100%;
    max-width: none;
    min-width: 0;
}
.single-product .ret-product-primary {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(380px, .75fr);
    gap: clamp(2.5rem, 4.5vw, 5.75rem);
    align-items: start;
    width: 100%;
    min-width: 0;
    padding-bottom: clamp(3rem, 6vw, 6rem);
    border-bottom: 1px solid var(--ret-line);
}

/* Fix grid placement explicitly so sale badges or third-party nodes cannot displace gallery/summary. */
.single-product .ret-product-primary > .woocommerce-product-gallery {
    grid-column: 1;
    grid-row: 1;
    float: none;
    width: 100%;
    max-width: none;
    min-width: 0;
    margin: 0;
}
.single-product .ret-product-primary > .summary {
    grid-column: 2;
    grid-row: 1;
    float: none;
    width: 100%;
    max-width: none;
    min-width: 0;
    margin: 0;
    align-self: start;
    position: sticky;
    top: 1.25rem;
    /* Deliberately no max-height/overflow. The page scrolls normally and the parent wrapper stops the sticky. */
}
.single-product.admin-bar .ret-product-primary > .summary {
    top: calc(32px + 1.25rem);
}
.single-product .ret-product-primary > .onsale {
    position: absolute;
    z-index: 8;
    top: 1rem;
    left: 1rem;
    margin: 0 !important;
}

/* Give the gallery enough physical height for a useful sticky travel distance on desktop. */
.single-product .ret-product-primary .woocommerce-product-gallery__wrapper {
    width: 100%;
}
.single-product .ret-product-primary .woocommerce-product-gallery__image > a {
    display: grid;
    place-items: center;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #fff;
}
.single-product .ret-product-primary .woocommerce-product-gallery__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Everything after the primary wrapper starts cleanly below it. */
.single-product div.product > .woocommerce-tabs,
.single-product div.product > .ret-product-profile,
.single-product div.product > .ret-product-cross-sells,
.single-product div.product > .ret-product-faq,
.single-product div.product > .up-sells,
.single-product div.product > .related {
    position: relative;
    z-index: 1;
    clear: both;
    width: 100%;
    max-width: none;
}
.single-product .woocommerce-tabs {
    padding-top: clamp(2.75rem, 5vw, 5rem);
}
.single-product .woocommerce-tabs .panel {
    width: min(100%, 1120px);
    max-width: 1120px;
    line-height: 1.78;
}
.single-product .related.products,
.single-product .up-sells.products,
.single-product .ret-product-cross-sells {
    width: 100%;
}

/* Branded primary purchase CTA. */
.single-product div.product form.cart .single_add_to_cart_button,
.single-product div.product form.cart button.single_add_to_cart_button,
.single-product div.product .woocommerce-variation-add-to-cart .single_add_to_cart_button {
    min-height: 50px;
    padding: .8rem 1.15rem;
    border: 1px solid var(--ret-accent) !important;
    border-radius: var(--ret-radius-sm);
    background: var(--ret-accent) !important;
    color: #fff !important;
    box-shadow: none !important;
    font-weight: 850;
    line-height: 1.1;
    transition: background-color .16s ease, border-color .16s ease, transform .16s ease;
}
.single-product div.product form.cart .single_add_to_cart_button:hover,
.single-product div.product form.cart .single_add_to_cart_button:focus-visible {
    border-color: var(--ret-accent-strong) !important;
    background: var(--ret-accent-strong) !important;
    color: #fff !important;
}
.single-product div.product form.cart .single_add_to_cart_button:hover { transform: translateY(-1px); }
.single-product div.product form.cart .single_add_to_cart_button.disabled,
.single-product div.product form.cart .single_add_to_cart_button:disabled {
    border-color: var(--ret-line) !important;
    background: #cfd6d1 !important;
    color: #5d675f !important;
    transform: none;
    cursor: not-allowed;
}

/* Variation buttons remain a visual layer over WooCommerce's native selects. */
.single-product form.variations_form.ret-variation-enhanced .variations select {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
}
.single-product .ret-variation-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    margin: .15rem 0 .35rem;
}
.single-product .ret-variation-button {
    min-width: 54px;
    min-height: 44px;
    padding: .62rem .9rem;
    border: 1px solid var(--ret-line);
    border-radius: 999px;
    background: #fff;
    color: var(--ret-ink);
    font: inherit;
    font-size: .9rem;
    font-weight: 800;
    line-height: 1.1;
    cursor: pointer;
    transition: background-color .16s ease, border-color .16s ease, color .16s ease, transform .16s ease;
}
.single-product .ret-variation-button:hover:not(:disabled) {
    border-color: var(--ret-accent);
    color: var(--ret-accent-strong);
    transform: translateY(-1px);
}
.single-product .ret-variation-button[aria-pressed="true"] {
    border-color: var(--ret-accent);
    background: var(--ret-accent);
    color: #fff;
}
.single-product .ret-variation-button:disabled,
.single-product .ret-variation-button.is-disabled {
    border-color: var(--ret-line);
    background: var(--ret-surface-soft);
    color: var(--ret-muted);
    opacity: .5;
    cursor: not-allowed;
    transform: none;
}

/* Medium desktop: keep two columns but give the purchase panel more room. */
@media (max-width: 1280px) {
    .single-product .site-main,
    .single-product.ret-commerce-screen .ret-main {
        width: min(calc(100% - 2rem), 1280px);
    }
    .single-product .ret-product-primary {
        grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr);
        gap: clamp(2rem, 3.5vw, 3.5rem);
    }
}

/* Tablet and below: a normal document flow is safer than a cramped sticky purchase panel. */
@media (max-width: 1024px) {
    .single-product .ret-product-primary {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        padding-bottom: 3rem;
    }
    .single-product .ret-product-primary > .woocommerce-product-gallery,
    .single-product .ret-product-primary > .summary {
        grid-column: 1;
        grid-row: auto;
    }
    .single-product .ret-product-primary > .summary,
    .single-product.admin-bar .ret-product-primary > .summary {
        position: static;
        top: auto;
        margin-top: 0;
    }
}

@media (max-width: 782px) {
    .single-product.admin-bar .ret-product-primary > .summary { top: auto; }
}

@media (max-width: 760px) {
    .single-product .site-main,
    .single-product.ret-commerce-screen .ret-main {
        width: min(calc(100% - 1.25rem), 100%);
    }
    .single-product .ret-product-primary {
        display: block;
    }
    .single-product .ret-product-primary > .summary {
        margin-top: 1.5rem;
    }
    .single-product .ret-product-primary .woocommerce-product-gallery__image > a {
        aspect-ratio: auto;
    }
    .single-product .ret-product-primary .woocommerce-product-gallery__image img {
        height: auto;
    }
}

/* === 0.5.1 product width, sticky travel and cleaner quick actions === */
/* Neutralise any legacy/content wrapper width that can keep single products too narrow. */
body.single-product #primary,
body.single-product #primary.content-area,
body.single-product .content-area,
body.single-product #main.site-main,
body.single-product .site-main {
    float: none !important;
    width: 100% !important;
    max-width: none !important;
    margin-inline: 0 !important;
}

body.single-product #main.site-main,
body.single-product .site-main {
    padding-inline: clamp(1.25rem, 3.5vw, 4.5rem);
}

body.single-product div.product {
    width: min(100%, 1680px);
    max-width: 1680px;
    margin-inline: auto;
}

/* Wider commercial split. The extra bottom room is intentional: it gives the
   sticky summary physical travel before the long description begins. */
body.single-product .ret-product-primary {
    grid-template-columns: minmax(0, 1.25fr) minmax(460px, .85fr);
    gap: clamp(3rem, 4.5vw, 6rem);
    padding-bottom: clamp(10rem, 18vh, 14rem);
}

body.single-product .ret-product-primary > .woocommerce-product-gallery {
    min-width: 0;
}

body.single-product .ret-product-primary > .summary {
    min-width: 0;
    width: 100%;
}

/* Quick actions: icon first, then title and supporting copy below. */
body.single-product .ret-product-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: .75rem;
    margin: 1.35rem 0;
}

body.single-product .ret-product-action {
    display: grid;
    grid-template-columns: 1fr;
    align-content: start;
    gap: .45rem;
    min-height: 132px;
    padding: 1rem;
    border: 1px solid var(--ret-line);
    border-radius: var(--ret-radius-sm);
    background: #fff;
    color: var(--ret-ink);
    text-decoration: none;
    transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease, background-color .16s ease;
}

body.single-product .ret-product-action:hover,
body.single-product .ret-product-action:focus-visible {
    border-color: var(--ret-accent);
    background: var(--ret-surface-soft);
    box-shadow: 0 10px 28px rgba(19, 50, 37, .08);
    transform: translateY(-1px);
}

body.single-product .ret-product-action > span:first-child {
    display: grid;
    place-items: center;
    width: 42px;
    min-height: 42px;
    border-radius: .7rem;
    background: var(--ret-surface-soft);
    color: var(--ret-accent-strong);
    font-size: .78rem;
    font-weight: 900;
}

body.single-product .ret-product-action > span:last-child {
    display: block;
    min-width: 0;
}

body.single-product .ret-product-action strong {
    display: block;
    color: var(--ret-ink);
    font-size: .96rem;
    line-height: 1.22;
}

body.single-product .ret-product-action small {
    display: block;
    margin-top: .38rem;
    color: var(--ret-muted);
    font-size: .78rem;
    line-height: 1.45;
}

@media (max-width: 1380px) {
    body.single-product div.product {
        width: min(100%, 1380px);
    }
    body.single-product .ret-product-primary {
        grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
        gap: clamp(2.5rem, 3.5vw, 4rem);
        padding-bottom: clamp(8rem, 15vh, 11rem);
    }
}

@media (max-width: 1120px) {
    body.single-product #main.site-main,
    body.single-product .site-main {
        padding-inline: clamp(1rem, 2.5vw, 2rem);
    }
    body.single-product .ret-product-primary {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-bottom: 3.5rem;
    }
    body.single-product .ret-product-primary > .woocommerce-product-gallery,
    body.single-product .ret-product-primary > .summary {
        grid-column: 1;
        grid-row: auto;
    }
    body.single-product .ret-product-primary > .summary,
    body.single-product.admin-bar .ret-product-primary > .summary {
        position: static;
        top: auto;
    }
}

@media (max-width: 640px) {
    body.single-product .ret-product-actions {
        grid-template-columns: 1fr;
    }
    body.single-product .ret-product-action {
        min-height: 0;
    }
}


/* === 0.9.1 product canvas + sticky through long description === */
/* The primary grid now contains gallery + tabs in the left track and the purchase summary
   in the right track. Because the summary spans both rows, sticky travel ends at the end
   of the WooCommerce tabs/long description and never reaches related products. */
body.single-product div.product {
    width: min(100%, 1760px);
    max-width: 1760px;
}

body.single-product .ret-product-primary {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(500px, .92fr);
    grid-template-rows: auto auto;
    gap: 0 clamp(2.5rem, 4vw, 5rem);
    align-items: start;
    padding-bottom: 0;
    border-bottom: 0;
}

body.single-product .ret-product-primary > .woocommerce-product-gallery {
    grid-column: 1;
    grid-row: 1;
}

body.single-product .ret-product-primary > .summary {
    grid-column: 2;
    grid-row: 1 / 3;
    position: sticky;
    top: 1.25rem;
    width: 100%;
    max-width: none;
    align-self: start;
}
body.single-product.admin-bar .ret-product-primary > .summary {
    top: calc(32px + 1.25rem);
}

/* Let the commercial column actually use the room assigned to it. */
body.single-product .ret-product-primary > .summary .product_title {
    max-width: 25ch;
}
body.single-product .ret-product-primary > .summary .woocommerce-product-details__short-description,
body.single-product .ret-product-primary > .summary form.cart,
body.single-product .ret-product-primary > .summary .ret-product-actions,
body.single-product .ret-product-primary > .summary .product_meta {
    width: 100%;
    max-width: none;
}

/* The long description is part of the left track: this is the physical sticky boundary. */
body.single-product .ret-product-primary > .woocommerce-tabs {
    grid-column: 1;
    grid-row: 2;
    width: 100%;
    max-width: none;
    margin-top: clamp(2.75rem, 5vw, 5rem);
    padding-top: clamp(2rem, 4vw, 3.25rem);
    border-top: 1px solid var(--ret-line);
}
body.single-product .ret-product-primary > .woocommerce-tabs .panel {
    width: 100%;
    max-width: none;
}

/* Technical profile and related blocks live outside the sticky boundary. */
body.single-product div.product > .ret-product-profile,
body.single-product div.product > .ret-product-cross-sells,
body.single-product div.product > .ret-product-faq,
body.single-product div.product > .up-sells,
body.single-product div.product > .related {
    width: 100%;
    max-width: none;
}

@media (max-width: 1480px) {
    body.single-product div.product { width: min(100%, 1480px); }
    body.single-product .ret-product-primary {
        grid-template-columns: minmax(0, 1.16fr) minmax(460px, .84fr);
        gap: 0 clamp(2rem, 3.5vw, 4rem);
    }
}

@media (max-width: 1120px) {
    body.single-product .ret-product-primary {
        display: block;
    }
    body.single-product .ret-product-primary > .summary,
    body.single-product.admin-bar .ret-product-primary > .summary {
        position: static;
        top: auto;
        margin-top: 2rem;
    }
    body.single-product .ret-product-primary > .woocommerce-tabs {
        margin-top: 3rem;
        padding-top: 2rem;
    }
}

/* === 0.13.1 product polish: gallery note, compact summary and reordered tools === */
body.single-product .ret-product-primary > .woocommerce-product-gallery {
    grid-column: 1;
    grid-row: 1;
}
body.single-product .ret-product-primary > .ret-product-image-reference {
    grid-column: 1;
    grid-row: 2;
    margin: .75rem 0 0;
    color: var(--ret-muted);
    font-size: .72rem;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: .018em;
}
body.single-product .ret-product-primary > .summary {
    grid-column: 2;
    grid-row: 1 / 4;
}
body.single-product .ret-product-primary > .woocommerce-tabs {
    grid-column: 1;
    grid-row: 3;
    margin-top: clamp(2.25rem, 4vw, 4rem);
}

/* Legacy excerpts contain spacer paragraphs made from non-breaking spaces.
   PHP removes those blocks; these tighter margins keep the remaining purchase
   stack compact without changing real product copy. */
body.single-product .ret-product-primary > .summary .woocommerce-product-details__short-description {
    margin: .9rem 0;
    line-height: 1.62;
}
body.single-product .ret-product-primary > .summary form.cart {
    margin: 1rem 0;
}
body.single-product .ret-product-primary > .summary .ret-product-actions {
    gap: .65rem;
    margin: .85rem 0 0;
}
body.single-product .ret-product-primary > .summary .ret-product-action {
    min-height: 108px;
    padding: .85rem;
}
body.single-product .ret-product-primary > .summary .rec-calculator--compact {
    margin: 1rem 0 .85rem;
}

@media (max-width: 1120px) {
    body.single-product .ret-product-primary > .ret-product-image-reference,
    body.single-product .ret-product-primary > .summary,
    body.single-product .ret-product-primary > .woocommerce-tabs {
        grid-column: auto;
        grid-row: auto;
    }
    body.single-product .ret-product-primary > .ret-product-image-reference {
        margin-bottom: 1.25rem;
    }
}