:root
{
    --product-space-xs: 0.4rem;
    --product-space-sm: 0.75rem;
    --product-space-md: 1.25rem;
    --product-space-lg: 2rem;
    --product-space-xl: 3rem;

    --product-radius-sm: var(--radius-control);
    --product-radius: var(--radius);
    --product-radius-lg: var(--radius-hero);

    --product-background: var(--surface-soft);
    --product-surface: var(--surface);
    --product-surface-alt: var(--surface-subtle);
    --product-text: var(--text);
    --product-muted: var(--muted);
    --product-border: var(--line);
    --product-primary: var(--accent);
    --product-primary-hover: var(--accent-strong);
    --product-success: var(--good);
    --product-warning: var(--warn);
    --product-danger: var(--danger);
}


/* ============================================================================================= */
/* Product page */
/* ============================================================================================= */

.product-image{
    width: 100%;
}


.product-page
{
    color: var(--product-text);
}


.product-page__header
{
    border-bottom: 1px solid var(--product-border);
    background: var(--product-surface-alt);
    padding-left: 2rem;
    padding-right: 2rem;
}


/* #viewport owns the public page width and horizontal gutter. */
.product-page__header-inner,
.product-page__content
{
    width: 100%;
}


.product-page__header-inner
{
    padding-block: var(--product-space-xl);
}


.product-page__brand
{
    margin: 0 0 var(--product-space-xs);
    color: var(--product-primary);
    font-size: 0.84rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}


.product-page__header h1
{
    max-width: 58rem;
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 1.06;
}


.product-page__content
{
    padding-block: var(--product-space-xl);
}


/* ============================================================================================= */
/* Hero */
/* ============================================================================================= */

.product-hero
{
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
    gap: var(--product-space-xl);
    align-items: start;
}


.product-hero__media,
.product-hero__summary
{
    min-width: 0;
}


.product-hero__summary
{
    padding: var(--product-space-lg);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-lg);
    background: var(--product-surface);
}


.product-hero__short-description
{
    margin-top: var(--product-space-lg);
    color: var(--product-muted);
    font-size: 1rem;
    line-height: 1.7;
}


.product-hero__facts
{
    margin-top: var(--product-space-lg);
    padding-top: var(--product-space-lg);
    border-top: 1px solid var(--product-border);
}


/* ============================================================================================= */
/* Gallery */
/* ============================================================================================= */

.product-gallery__main
{
    display: grid;
    place-items: center;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-lg);
    background: var(--product-surface);
}


.product-gallery__main-image
{
    display: block;
    width: 100%;
    height: 100%;
    padding: var(--product-space-md);
    object-fit: contain;
}


.product-gallery__placeholder
{
    display: grid;
    place-items: center;
    aspect-ratio: 1 / 1;
    border: 1px dashed var(--product-border);
    border-radius: var(--product-radius-lg);
    background: var(--product-surface-alt);
    color: var(--product-muted);
}


.product-gallery__thumbnails
{
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--product-space-sm);
    margin-top: var(--product-space-sm);
}


.product-gallery__thumbnail
{
    aspect-ratio: 1 / 1;
    overflow: hidden;
    padding: var(--product-space-xs);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-sm);
    background: var(--product-surface);
    cursor: pointer;
}


.product-gallery__thumbnail:hover,
.product-gallery__thumbnail.is-active
{
    border-color: var(--product-primary);
}


.product-gallery__thumbnail img
{
    width: 100%;
    height: 100%;
    object-fit: contain;
}


/* ============================================================================================= */
/* Price / stock */
/* ============================================================================================= */

.product-price
{
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--product-space-sm);
}


.product-price__current
{
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1;
}


.product-price__regular
{
    color: var(--product-muted);
    font-size: 1.05rem;
    text-decoration: line-through;
}


.product-price__offer-label
{
    padding: 0.28rem 0.5rem;
    border-radius: 99rem;
    background: var(--product-primary);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}


.product-stock
{
    display: flex;
    align-items: center;
    gap: var(--product-space-sm);
    margin-top: var(--product-space-md);
    font-size: 0.9rem;
    font-weight: 700;
}


.product-stock__dot
{
    width: 0.58rem;
    height: 0.58rem;
    border-radius: 50%;
    background: currentColor;
}


.product-stock--in-stock
{
    color: var(--product-success);
}


.product-stock--backorder
{
    color: var(--product-warning);
}


.product-stock--out-of-stock
{
    color: var(--product-danger);
}


/* ============================================================================================= */
/* Purchase controls */
/* ============================================================================================= */

.product-purchase
{
    display: grid;
    grid-template-columns: minmax(8rem, 10rem) minmax(10rem, 1fr);
    gap: var(--product-space-sm);
    margin-top: var(--product-space-lg);
}


.product-purchase__quantity
{
    display: grid;
    gap: var(--product-space-xs);
}


.product-purchase__quantity > label
{
    color: var(--product-muted);
    font-size: 0.78rem;
    font-weight: 700;
}


.product-quantity-control
{
    display: grid;
    grid-template-columns: 2.75rem minmax(2.8rem, 1fr) 2.75rem;
    min-height: 3rem;
    overflow: hidden;
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-sm);
}


.product-quantity-control button,
.product-quantity-control input
{
    border: 0;
    background: var(--product-surface);
    color: var(--product-text);
    font: inherit;
}


.product-quantity-control button
{
    cursor: pointer;
    font-size: 1.1rem;
}


.product-quantity-control button:hover
{
    background: var(--product-surface-alt);
}


.product-quantity-control input
{
    width: 100%;
    min-width: 0;
    text-align: center;
    font-weight: 750;
    appearance: textfield;
}


.product-quantity-control input::-webkit-inner-spin-button,
.product-quantity-control input::-webkit-outer-spin-button
{
    margin: 0;
    appearance: none;
}


.product-add-to-cart
{
    align-self: end;
    min-height: 3rem;
    padding-inline: var(--product-space-lg);
    border: 0;
    border-radius: var(--product-radius-sm);
    background: var(--product-primary);
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
}


.product-add-to-cart:hover
{
    background: var(--product-primary-hover);
}


.product-add-to-cart:disabled
{
    cursor: not-allowed;
    opacity: 0.45;
}


.product-purchase__message
{
    grid-column: 1 / -1;
    min-height: 1.3rem;
    color: var(--product-success);
    font-size: 0.84rem;
}


.product-purchase__message[data-state="error"]
{
    color: var(--product-danger);
}


/* ============================================================================================= */
/* Product facts / compliance */
/* ============================================================================================= */

.product-facts
{
    display: grid;
    gap: 0;
    margin: 0;
}


.product-facts__item
{
    display: grid;
    grid-template-columns: minmax(8rem, 0.8fr) minmax(0, 1.2fr);
    gap: var(--product-space-md);
    padding-block: var(--product-space-sm);
    border-bottom: 1px solid var(--product-border);
}


.product-facts__item:last-child
{
    border-bottom: 0;
}


.product-facts dt
{
    color: var(--product-muted);
    font-size: 0.82rem;
    font-weight: 650;
}


.product-facts dd
{
    margin: 0;
    font-size: 0.88rem;
    font-weight: 700;
    overflow-wrap: anywhere;
}


.product-compliance
{
    display: flex;
    flex-wrap: wrap;
    gap: var(--product-space-xs);
    margin-top: var(--product-space-md);
}


.product-compliance__badge
{
    padding: 0.35rem 0.55rem;
    border: 1px solid var(--product-border);
    border-radius: 99rem;
    font-size: 0.72rem;
    font-weight: 750;
}


.product-compliance__badge.is-compliant
{
    color: var(--product-success);
}


.product-compliance__badge.is-not-compliant
{
    color: var(--product-muted);
}


/* ============================================================================================= */
/* Lower sections */
/* ============================================================================================= */

.product-page__sections
{
    display: grid;
    gap: var(--product-space-xl);
    margin-top: calc(var(--product-space-xl) * 1.4);
}


.product-page__section-grid
{
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--product-space-lg);
}


.product-section
{
    min-width: 0;
    padding: var(--product-space-lg);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-lg);
    background: var(--product-surface);
}


.product-section__heading
{
    margin-bottom: var(--product-space-md);
}


.product-section__eyebrow
{
    display: block;
    margin-bottom: var(--product-space-xs);
    color: var(--product-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}


.product-section h2
{
    margin: 0;
    font-size: clamp(1.35rem, 2vw, 1.8rem);
}


.product-prose
{
    color: var(--product-muted);
    line-height: 1.75;
}


.product-list
{
    display: grid;
    gap: var(--product-space-sm);
    margin: 0;
    padding-left: 1.25rem;
    color: var(--product-muted);
    line-height: 1.6;
}


.product-list p,
.product-data-list p
{
    margin: 0;
}


.product-data-list
{
    display: grid;
    gap: 0;
    margin: 0;
}


.product-data-list__row
{
    display: grid;
    grid-template-columns: minmax(8rem, 0.75fr) minmax(0, 1.25fr);
    gap: var(--product-space-md);
    padding-block: var(--product-space-sm);
    border-bottom: 1px solid var(--product-border);
}


.product-data-list__row:last-child
{
    border-bottom: 0;
}


.product-data-list dt
{
    color: var(--product-muted);
    font-size: 0.85rem;
    font-weight: 700;
}


.product-data-list dd
{
    margin: 0;
    min-width: 0;
}


.product-downloads
{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: var(--product-space-md);
}


.product-download
{
    display: flex;
    align-items: center;
    gap: var(--product-space-md);
    padding: var(--product-space-md);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius);
    background: var(--product-surface-alt);
    color: var(--product-text);
    text-decoration: none;
}


.product-download:hover
{
    border-color: var(--product-primary);
}


.product-download__icon
{
    display: grid;
    place-items: center;
    flex: 0 0 2.5rem;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--product-primary);
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 800;
}


.product-download__text
{
    display: grid;
    gap: 0.2rem;
}


.product-download__text small
{
    color: var(--product-muted);
}

/* ============================================================================================= */
/* Product BOM                                                                                   */
/* ============================================================================================= */

.product-bom
{
    width: 100%;
}


.product-bom__table-wrapper
{
    width: 100%;
    overflow-x: auto;

    border: 0.0625rem solid var(--product-border);
    border-radius: 0.75rem;

    background: var(--product-surface);

    box-shadow:
    0 0.25rem 1rem
    rgba(0, 0, 0, 0.04);
}


.product-bom__table
{
    width: 100%;

    border-collapse: collapse;
    border-spacing: 0;
}


.product-bom__table th,
.product-bom__table td
{
    padding: 1rem 1.25rem;

    text-align: left;
    vertical-align: middle;
}


.product-bom__table thead
{
    background: var(--product-surface-alt);
}


.product-bom__table th
{
    font-size: 0.8rem;
    font-weight: 700;

    text-transform: uppercase;
    letter-spacing: 0.05em;

    color: var(--product-muted);
}


.product-bom__table tbody tr
{
    border-top: 0.0625rem solid var(--product-border);

    transition:
    background-color 0.15s ease;
}


.product-bom__table tbody tr:hover
{
    background: var(--product-surface-alt);
}


.product-bom__name
{
    width: 60%;

    font-weight: 600;

    color: var(--product-text);
}


.product-bom__quantity
{
    width: 15%;

    font-variant-numeric: tabular-nums;

    color: var(--product-text);
}


.product-bom__reference
{
    width: 25%;

    font-family: monospace;
    font-size: 0.9rem;

    color: var(--product-muted);
}


.product-bom__empty
{
    opacity: 0.45;
}


/* ============================================================================================= */
/* Product BOM - Mobile                                                                          */
/* ============================================================================================= */

@media (max-width: 40rem)
{
    .product-bom__table th,
    .product-bom__table td
    {
        padding: 0.8rem 1rem;
    }

    .product-bom__name
    {
        min-width: 12rem;
    }

    .product-bom__reference
    {
        min-width: 7rem;
    }
}


/* ============================================================================================= */
/* Responsive */
/* ============================================================================================= */

@media (max-width: 58rem)
{

    .product-hero
    {
        grid-template-columns: 1fr;
    }


    .product-page__section-grid
    {
        grid-template-columns: 1fr;
    }
}


@media (max-width: 38rem)
{
    .product-page__header-inner
    {
        padding-block: var(--product-space-lg);
    }


    .product-page__content
    {
        padding-block: var(--product-space-lg);
    }


    .product-hero__summary,
    .product-section
    {
        padding: var(--product-space-md);
    }


    .product-purchase
    {
        grid-template-columns: 1fr;
    }


    .product-purchase__message
    {
        grid-column: auto;
    }


    .product-gallery__thumbnails
    {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }


    .product-facts__item,
    .product-data-list__row
    {
        grid-template-columns: 1fr;
        gap: var(--product-space-xs);
    }
}