/* Editorial product detail. Shared brand tokens and forms are loaded separately. */
body.single-product {
    background: var(--df-paper);
    color: var(--df-body);
    padding-top: var(--header-height, 80px);
}
body.single-product #wrapper,
body.single-product .content-bg {
    background: var(--df-paper);
}
body.single-product .content-area {
    margin: 0;
}
body.single-product .site-container {
    max-width: none;
    padding: 0;
}
body.single-product .content-wrap {
    display: block;
}
.product-detail {
    max-width: calc(var(--df-max-width) + 2 * var(--df-gutter));
    margin-inline: auto;
    padding: 32px var(--df-gutter) 88px;
    font-family: var(--df-sans);
    letter-spacing: normal;
    font-size: 1rem;
    line-height: 1.6;
}
.product-detail *,
.product-detail *::before,
.product-detail *::after {
    box-sizing: border-box;
}
.product-detail [hidden] {
    display: none !important;
}
.no-js .product-detail [data-contact-form] {
    display: none;
}
.no-js .product-detail__inquiry {
    grid-template-columns: minmax(0, 1fr);
}
.product-detail h1,
.product-detail h2,
.product-detail h3 {
    font-family: var(--df-serif);
    color: var(--df-ink);
    font-weight: 500;
}
.product-detail h1 {
    margin: 0;
    font-size: clamp(2.75rem, 4.8vw, 4.5rem);
    line-height: 1.06;
    letter-spacing: -0.04em;
    overflow-wrap: anywhere;
}
.product-detail h2 {
    margin: 0 0 28px;
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    line-height: 1.12;
    letter-spacing: -0.025em;
}
.product-detail h3 {
    margin: 0 0 16px;
    font-size: 1.5rem;
    line-height: 1.25;
}
.product-detail p {
    line-height: 1.6;
}
.product-detail a {
    color: var(--df-blue);
    text-underline-offset: 4px;
}
.product-detail a:hover {
    color: var(--df-blue-dark);
}
.product-detail :where(a, button, input, textarea, select, [tabindex]):focus-visible {
    outline: 3px solid var(--df-focus);
    outline-offset: 4px;
}
.product-detail button {
    min-height: 44px;
    padding: 10px 16px;
    border: 1px solid var(--df-line-strong);
    background: transparent;
    color: var(--df-blue);
    border-radius: 0;
    font: 600 1rem/1.4 var(--df-sans);
    cursor: pointer;
}
.product-detail button:hover {
    background: var(--df-paper-deep);
}
.product-detail__breadcrumb {
    margin-bottom: 32px;
    color: var(--df-muted);
    font-size: 0.875rem;
}
.product-detail__breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.product-detail__breadcrumb li {
    min-width: 0;
    overflow-wrap: anywhere;
}
.product-detail__breadcrumb a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--df-muted);
}
.product-detail__breadcrumb span {
    margin-left: 10px;
    color: var(--df-faint);
}
.product-detail__hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    grid-template-areas: 'image identity' 'image summary';
    column-gap: clamp(28px, 5vw, 72px);
}
.product-detail__identity {
    grid-area: identity;
    min-width: 0;
    padding-top: 12px;
}
.product-detail__alias {
    margin: 12px 0 0;
    color: var(--df-muted);
    font-size: 1.25rem;
}
.product-detail__identifiers {
    margin: 24px 0 0;
    font-size: 0.9rem;
}
.product-detail__identifiers div {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin-top: 6px;
}
.product-detail dt {
    color: var(--df-muted);
    font-weight: 400;
}
.product-detail dd {
    margin: 0;
    color: var(--df-ink);
    overflow-wrap: anywhere;
    font-variant-numeric: tabular-nums;
}
.product-detail__summary {
    grid-area: summary;
    min-width: 0;
    padding-top: 24px;
}
.product-detail__overview {
    margin-bottom: 24px;
}
.product-detail__copy {
    min-width: 0;
    font-size: 1.0625rem;
    line-height: 1.65;
    overflow-wrap: anywhere;
}
.product-detail__copy > :first-child {
    margin-top: 0;
}
.product-detail__copy > :last-child {
    margin-bottom: 0;
}
.product-detail__copy img,
.product-detail__copy iframe {
    max-width: 100%;
}
.product-detail__copy img {
    height: auto;
}
.product-detail__copy table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
}
.product-detail__facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    border-block: 1px solid var(--df-line);
    margin: 0 0 28px;
    padding: 22px 0;
}
.product-detail__facts dt {
    font-size: 0.8rem;
    margin-bottom: 6px;
}
.product-detail__facts dd {
    font-size: 1.125rem;
}
.product-detail__actions {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
}
.product-detail__actions .df-action {
    max-width: 100%;
    border-radius: 0;
}
.product-detail__actions .df-action__label {
    white-space: normal;
}
.product-detail__gallery {
    grid-area: image;
    min-width: 0;
}
.product-detail__image {
    position: relative;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    background: transparent;
}
.product-detail__zoom-surface img,
.product-detail__image > img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.product-detail__image-error {
    position: absolute;
    inset: auto 20px 20px;
    text-align: center;
    color: var(--df-muted);
}
.product-detail__gallery-toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 0.875rem;
    color: var(--df-muted);
}
.product-detail__thumbnails {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 6px;
    margin: 10px -6px 0;
}
.product-detail__thumbnails a {
    width: 64px;
    height: 64px;
    flex: 0 0 auto;
    border: 1px solid var(--df-line);
}
.product-detail__thumbnails a[aria-current] {
    outline: 2px solid var(--df-blue);
    outline-offset: 2px;
}
.product-detail__thumbnails img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.product-detail__gallery-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}
.product-detail__sections {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 32px;
    margin-top: 56px;
    border-block: 1px solid var(--df-line);
    padding: 12px 0;
}
.product-detail__sections a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 0.95rem;
}
.product-detail__section {
    padding-top: 56px;
    margin-top: 56px;
    border-top: 1px solid var(--df-line);
    scroll-margin-top: calc(var(--header-height, 80px) + 24px);
}
.product-detail__sections + .product-detail__section {
    margin-top: 0;
    border-top: 0;
}
.product-detail__details-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: start;
}
.product-detail__details-grid > :only-child {
    grid-column: 1 / -1;
    max-width: 850px;
    width: 100%;
}
.product-detail table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    border: 0;
    font-size: 0.95rem;
}
.product-detail :where(th, td) {
    padding: 15px 16px;
    border: 0;
    border-bottom: 1px solid var(--df-line);
    text-align: left;
    vertical-align: top;
    overflow-wrap: anywhere;
    font-variant-numeric: tabular-nums;
}
.product-detail__specs th {
    width: 48%;
    padding-left: 0;
    color: var(--df-muted);
    font-weight: 400;
}
.product-detail__intro {
    margin: -10px 0 24px;
    max-width: 65ch;
    color: var(--df-muted);
}
.product-detail__comparison {
    table-layout: fixed;
}
.product-detail__comparison thead th {
    font-weight: 500;
    color: var(--df-muted);
    font-size: 0.8rem;
}
.product-detail__comparison th:first-child {
    width: 32%;
}
.product-detail__comparison tbody th {
    font-weight: 600;
}
.product-detail__comparison .is-current {
    background: var(--df-paper-deep);
}
.product-detail__current {
    display: block;
    color: var(--df-muted);
    font-size: 0.75rem;
    font-weight: 400;
    margin-top: 6px;
}
.product-detail__mobile-label {
    display: none;
}
.product-detail__inquiry {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(28px, 5vw, 72px);
}
.product-detail__inquiry h2 {
    max-width: 13ch;
}
.product-detail__inquiry-copy > p {
    color: var(--df-muted);
}
.product-detail__inquiry-copy > p a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
}
.product-detail__inquiry-model {
    padding-block: 20px;
    margin-block: 24px;
    border-block: 1px solid var(--df-line);
}
.product-detail__inquiry-model > span {
    display: block;
    color: var(--df-muted);
    font-size: 0.875rem;
}
.product-detail__inquiry-model > a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 1.3rem;
    overflow-wrap: anywhere;
}
.product-detail__inquiry-model p {
    margin: 4px 0;
    font-size: 0.875rem;
    overflow-wrap: anywhere;
}

/* The image remains a transparent surface; overlays never intercept its input. */
.product-detail .product-detail__zoom-surface,
.product-detail .product-detail__zoom-surface:hover {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    cursor: crosshair;
    touch-action: pan-y pinch-zoom;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.product-detail .product-detail__zoom-surface:disabled {
    cursor: default;
}
.product-detail__zoom-surface img {
    pointer-events: none;
    -webkit-user-drag: none;
}
.product-detail .is-zoom-touch .product-detail__zoom-surface {
    touch-action: pinch-zoom;
}
.product-detail__zoom-preview {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 33.333333%;
    aspect-ratio: 1;
    overflow: hidden;
    pointer-events: none;
    border: 1px solid var(--df-line-strong);
    background: var(--df-paper);
    box-shadow: 0 4px 16px rgb(40 36 31 / 8%);
    contain: layout paint;
}
.product-detail__zoom-preview img {
    position: absolute;
    left: 0;
    top: 0;
    display: block;
    max-width: none;
    max-height: none;
    transform-origin: 0 0;
}
.product-detail__zoom-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    fill: none;
}
/* Scaled dash geometry keeps sixteen equal runs around the perimeter.
   Only the corner markers use a fixed screen-space stroke. */
.product-detail__zoom-march {
    stroke: #4a4a4a;
    stroke-opacity: 0.7;
    stroke-width: 0.2;
    stroke-linecap: butt;
    stroke-dasharray: 14 11;
    animation: product-zoom-index 8s steps(1, end) infinite;
}
.product-detail__zoom-corners {
    stroke: #999;
    stroke-width: 1;
    vector-effect: non-scaling-stroke;
}
/* Each keyframe holds for 500ms. Unequal forward jumps preserve the steady
   cadence; -100 is four dash periods, making the loop seam invisible. */
@keyframes product-zoom-index {
    0% {
        stroke-dashoffset: 0;
    }
    6.25% {
        stroke-dashoffset: -4;
    }
    12.5% {
        stroke-dashoffset: -11;
    }
    18.75% {
        stroke-dashoffset: -16;
    }
    25% {
        stroke-dashoffset: -24;
    }
    31.25% {
        stroke-dashoffset: -30;
    }
    37.5% {
        stroke-dashoffset: -39;
    }
    43.75% {
        stroke-dashoffset: -43;
    }
    50% {
        stroke-dashoffset: -49;
    }
    56.25% {
        stroke-dashoffset: -57;
    }
    62.5% {
        stroke-dashoffset: -62;
    }
    68.75% {
        stroke-dashoffset: -69;
    }
    75% {
        stroke-dashoffset: -73;
    }
    81.25% {
        stroke-dashoffset: -82;
    }
    87.5% {
        stroke-dashoffset: -87;
    }
    93.75% {
        stroke-dashoffset: -93;
    }
    100% {
        stroke-dashoffset: -100;
    }
}
.product-detail .product-detail__zoom-close {
    position: absolute;
    right: 12px;
    bottom: 12px;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--df-paper);
    color: var(--df-ink);
    font-size: 1.75rem;
}
.product-detail .product-detail__zoom-close:hover {
    background: var(--df-paper-deep);
}
.product-detail__thumbnails a,
.product-detail__thumbnails img {
    background: transparent;
}

/* Model destinations are single outlined targets, including their thumbnails. */
.product-detail .product-detail__model-control,
.product-detail .product-detail__category-control {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 8px;
    border: 1px solid var(--df-line-strong);
    color: var(--df-ink);
    background: transparent;
    text-decoration: none;
    border-radius: 2px;
    transition:
        background-color 160ms,
        border-color 160ms;
}
.product-detail .product-detail__model-control {
    width: 100%;
}
.product-detail div.product-detail__model-control {
    border-color: transparent;
}
.product-detail a.product-detail__model-control:hover,
.product-detail a.product-detail__category-control:hover,
.product-detail a.product-detail__model-control:active,
.product-detail a.product-detail__category-control:active {
    color: var(--df-ink);
    background: var(--df-paper-deep);
    border-color: var(--df-ink);
    text-decoration: none;
}
.product-detail__model-thumbnail {
    display: block;
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
}
.product-detail__model-thumbnail img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: transparent;
}
.product-detail__model-name {
    min-width: 0;
    overflow-wrap: anywhere;
}
.product-detail__model-arrow {
    flex-shrink: 0;
    margin-left: auto;
}
.product-detail .product-detail__category-control {
    margin-top: 20px;
    padding: 12px 18px;
    font-size: 0.95rem;
    font-weight: 600;
}

@media (max-width: 991px) {
    .product-detail__details-grid {
        gap: 28px;
    }
    .product-detail__inquiry {
        grid-template-columns: 1fr;
    }
    .product-detail__inquiry h2 {
        max-width: none;
    }
}
@media (max-width: 767px) {
    .product-detail {
        padding-top: 16px;
        padding-bottom: 56px;
    }
    .product-detail__breadcrumb {
        margin-bottom: 20px;
    }
    .product-detail__hero {
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas: 'identity' 'image' 'summary';
        gap: 24px;
    }
    .product-detail__identity,
    .product-detail__summary {
        padding-top: 0;
    }
    .product-detail__details-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .product-detail__sections {
        margin-top: 32px;
        gap: 4px 24px;
    }
    .product-detail__section {
        margin-top: 36px;
        padding-top: 36px;
    }
    .product-detail__comparison,
    .product-detail__comparison tbody {
        display: block;
    }
    .product-detail__comparison thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
    }
    .product-detail__comparison tr {
        display: block;
        padding: 16px;
        border-bottom: 1px solid var(--df-line);
    }
    .product-detail__comparison :where(th, td),
    .product-detail__comparison th:first-child {
        display: block;
        width: auto;
        border: 0;
        padding: 4px 0;
    }
    .product-detail__comparison td {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 16px;
    }
    .product-detail__model-thumbnail {
        flex-basis: 48px;
        width: 48px;
        height: 48px;
    }
    .product-detail__mobile-label {
        display: block;
        color: var(--df-muted);
        font-size: 0.8rem;
    }
    .product-detail__actions .df-action {
        width: 100%;
    }
}
@media (prefers-reduced-motion: reduce) {
    .product-detail *,
    .product-detail *::before,
    .product-detail *::after {
        scroll-behavior: auto;
        transition: none;
        animation: none;
    }
}