/**
 * Batch-3 product details desktop visual.
 * Wave1: piezometer + dynamic-level-gauge.
 * Wave2: enclosure + rs485 + gateway + logger.
 * Wave3: cable-force-meter-4g + submersible-level-sensor.
 * Inherit batch2 / zoom-vision / column-hubs tokens.
 * Scope: listed SKUs at min-width 1024px only.
 */
@media (min-width: 1024px) {
  .v21-producthero-piezometer,
  .v21-producthero-dynamic,
  .v21-piezometer-detail,
  .v21-dynamic-detail {
    --orange: var(--ait-color-action, #3b6fd8);
    --deep: var(--ait-color-ink, #172033);
    --paper: #f6f8fb;
  }

  body.ait-v21 .v21-producthero.v21-producthero-piezometer,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: center;
    min-height: 650px;
    padding: 64px 96px !important;
    background: #fff !important;
    color: var(--ait-color-ink, #172033) !important;
    overflow: hidden;
    position: relative;
    isolation: isolate;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
  }

  body.ait-v21 .v21-producthero.v21-producthero-piezometer::before,
  body.ait-v21 .v21-producthero.v21-producthero-piezometer::after,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic::before,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic::after {
    content: none !important;
    background: none !important;
    display: none !important;
  }

  .v21-producthero-piezometer > div,
  .v21-producthero-dynamic > div {
    max-width: none;
    grid-column: 1;
    position: relative;
    z-index: 2;
    color: var(--ait-color-ink, #172033) !important;
  }

  .v21-producthero-piezometer > picture.v21-producthero-media,
  .v21-producthero-piezometer > img.v21-producthero-media,
  .v21-producthero-dynamic > picture.v21-producthero-media,
  .v21-producthero-dynamic > img.v21-producthero-media {
    grid-column: 2;
    position: relative !important;
    inset: auto !important;
    display: block;
    width: 100%;
    max-width: 100%;
    height: 500px;
    z-index: 1;
    background: transparent !important;
    padding: 0 !important;
    filter: none !important;
    transform: none !important;
  }

  .v21-producthero-piezometer > img.v21-producthero-media,
  .v21-producthero-piezometer > picture.v21-producthero-media img,
  .v21-producthero-dynamic > img.v21-producthero-media,
  .v21-producthero-dynamic > picture.v21-producthero-media img {
    width: 100%;
    height: 500px;
    object-fit: contain;
    object-position: center;
    filter: none !important;
    mix-blend-mode: normal !important;
  }

  .v21-producthero-piezometer .eyebrow,
  .v21-producthero-dynamic .eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: none;
    color: var(--ait-color-action, #3b6fd8) !important;
  }

  body.ait-v21 .v21-producthero.v21-producthero-piezometer h1,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic h1 {
    font-size: 52px !important;
    line-height: 1.18 !important;
    letter-spacing: 0 !important;
    font-weight: 650;
    margin: 16px 0 20px;
    color: var(--ait-color-ink, #172033) !important;
    text-shadow: none !important;
  }

  .v21-producthero-piezometer > div > h2,
  .v21-producthero-dynamic > div > h2 {
    display: block;
    margin: 0 0 14px;
    font-size: 22px;
    line-height: 1.4;
    font-weight: 650;
    color: var(--ait-color-ink, #172033) !important;
  }

  .v21-producthero-piezometer > div > p:not(.eyebrow):not(.model),
  .v21-producthero-dynamic > div > p:not(.eyebrow):not(.model) {
    font-size: 18px;
    line-height: 1.7;
    color: var(--ait-color-ink-secondary, #43516a);
    max-width: 36em;
  }

  .v21-producthero-piezometer .v21-btn.hot,
  .v21-producthero-dynamic .v21-btn.hot,
  .v21-piezometer-detail .v21-btn.hot,
  .v21-dynamic-detail .v21-btn.hot {
    background: var(--ait-color-action, #3b6fd8) !important;
    border-color: var(--ait-color-action, #3b6fd8) !important;
    color: #fff !important;
  }

  .v21-producthero-piezometer .v21-btn.ghost,
  .v21-producthero-dynamic .v21-btn.ghost,
  .v21-piezometer-detail .v21-btn.ghost,
  .v21-dynamic-detail .v21-btn.ghost {
    background: transparent !important;
    border-color: transparent !important;
    color: var(--ait-color-link, #315fae) !important;
    box-shadow: none;
  }

  .v21-piezometer-tags,
  .v21-dynamic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
  }

  .v21-piezometer-tags li,
  .v21-dynamic-tags li {
    padding: 6px 10px;
    border: 1px solid var(--ait-color-line, #dce3ed) !important;
    background: #f6f8fb !important;
    color: var(--ait-color-ink-secondary, #43516a) !important;
    font-size: 13px;
    border-radius: 4px;
  }

  .v21-piezometer-nav,
  .v21-dynamic-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    align-items: center;
    padding: 18px 96px;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
    background: #fff;
  }

  .v21-piezometer-nav a,
  .v21-dynamic-nav a {
    color: var(--ait-color-ink-secondary, #43516a);
    text-decoration: none;
    font-size: 14px;
  }

  .v21-piezometer-nav .v21-open-form,
  .v21-dynamic-nav .v21-open-form {
    margin-left: auto;
    min-height: 40px;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--ait-color-action, #3b6fd8);
    background: #fff;
    color: var(--ait-color-action, #3b6fd8);
    font-weight: 600;
    cursor: pointer;
  }

  .v21-piezometer-detail,
  .v21-dynamic-detail {
    background: #fff;
    color: var(--ait-color-ink, #172033);
  }

  .v21-piezometer-detail > section,
  .v21-dynamic-detail > section,
  .v21-piezometer-detail > aside,
  .v21-dynamic-detail > aside {
    padding: 56px 96px;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
  }

  .v21-piezometer-decision,
  .v21-piezometer-version,
  .v21-dynamic-version {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
    background: var(--paper);
  }

  .v21-piezometer-version strong,
  .v21-dynamic-version strong {
    display: block;
    margin-bottom: 6px;
  }

  .v21-piezometer-intro,
  .v21-dynamic-principle,
  .v21-piezometer-install,
  .v21-dynamic-install {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: center;
  }

  .v21-piezometer-heading .eyebrow,
  .v21-dynamic-heading .eyebrow,
  .v21-piezometer-intro .eyebrow,
  .v21-dynamic-principle .eyebrow,
  .v21-dynamic-problem .eyebrow,
  .v21-piezometer-install .eyebrow,
  .v21-dynamic-install .eyebrow,
  .v21-piezometer-cta .eyebrow,
  .v21-dynamic-cta .eyebrow {
    color: var(--ait-color-action, #3b6fd8) !important;
    text-transform: none;
    letter-spacing: 0.06em;
    font-size: 12px;
    font-weight: 600;
  }

  .v21-piezometer-cap-grid,
  .v21-dynamic-cap-grid,
  .v21-piezometer-scene-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
  }

  .v21-piezometer-cap-grid article,
  .v21-dynamic-cap-grid article,
  .v21-piezometer-scene-grid article {
    padding: 20px;
    border: 1px solid var(--ait-color-line, #dce3ed);
    border-radius: 8px;
    background: #fff;
  }

  .v21-piezometer-diagram-grid,
  .v21-dynamic-diagram-grid,
  .v21-piezometer-case-grid,
  .v21-dynamic-case-grid,
  .v21-enrichment-gallery.six {
    display: grid;
    gap: 16px;
    margin-top: 24px;
  }

  .v21-piezometer-diagram-grid,
  .v21-dynamic-diagram-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .v21-piezometer-case-grid,
  .v21-dynamic-case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .v21-enrichment-gallery.six {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .v21-piezometer-detail figure,
  .v21-dynamic-detail figure {
    margin: 0;
    border: 1px solid var(--ait-color-line, #dce3ed);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
  }

  .v21-piezometer-detail figure img,
  .v21-dynamic-detail figure img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
  }

  .v21-piezometer-detail figcaption,
  .v21-dynamic-detail figcaption {
    padding: 10px 12px;
    font-size: 13px;
    color: var(--ait-color-ink-secondary, #43516a);
    border-top: 1px solid var(--ait-color-line, #dce3ed);
  }

  .v21-dynamic-compare {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 16px;
    align-items: stretch;
    margin-top: 24px;
  }

  .v21-dynamic-compare article {
    padding: 20px;
    border: 1px solid var(--ait-color-line, #dce3ed);
    border-radius: 8px;
    background: #fff;
  }

  .v21-dynamic-problem-fig {
    margin-top: 24px !important;
  }

  .v21-piezometer-intro ol,
  .v21-dynamic-principle ol,
  .v21-piezometer-install ol,
  .v21-dynamic-install ol {
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
  }

  .v21-piezometer-intro ol li,
  .v21-dynamic-principle ol li,
  .v21-piezometer-install ol li,
  .v21-dynamic-install ol li {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
  }

  .v21-piezometer-intro ol b,
  .v21-dynamic-principle ol b,
  .v21-piezometer-install ol b,
  .v21-dynamic-install ol b,
  .v21-piezometer-cap-grid b,
  .v21-dynamic-cap-grid span {
    color: var(--ait-color-action, #3b6fd8);
    font-weight: 700;
  }

  .v21-piezometer-spec-grid,
  .v21-dynamic-spec-groups {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
  }

  .v21-dynamic-spec-groups {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .v21-piezometer-spec-grid article,
  .v21-dynamic-spec-groups article {
    padding: 18px;
    border: 1px solid var(--ait-color-line, #dce3ed);
    border-radius: 8px;
    background: var(--paper);
  }

  .v21-piezometer-spec-grid dl,
  .v21-dynamic-spec-groups dl {
    margin: 12px 0 0;
  }

  .v21-piezometer-spec-grid dl > div,
  .v21-dynamic-spec-groups dl > div {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid #e7edf5;
    font-size: 14px;
  }

  .v21-piezometer-spec-grid dt,
  .v21-dynamic-spec-groups dt {
    color: var(--ait-color-ink-secondary, #43516a);
  }

  .v21-piezometer-faq details,
  .v21-dynamic-faq details {
    border: 1px solid var(--ait-color-line, #dce3ed);
    border-radius: 8px;
    padding: 14px 16px;
    margin-top: 10px;
    background: #fff;
  }

  .v21-piezometer-cta,
  .v21-dynamic-cta {
    display: flex;
    justify-content: space-between;
    gap: 32px;
    align-items: center;
    background: var(--paper);
  }

  .v21-piezometer-heading-sub,
  .v21-dynamic-heading-sub {
    margin-top: 40px;
  }

  .v21-piezometer-note,
  .v21-dynamic-legal {
    margin-top: 16px;
    font-size: 13px;
    color: var(--ait-color-ink-secondary, #43516a);
  }

  /* --- Wave2 heroes + detail roots (mirror Wave1) --- */
  .v21-producthero-enclosure,
  .v21-producthero-rs485,
  .v21-producthero-gateway,
  .v21-producthero-logger,
  .v21-converter-detail,
  .v21-gateway-detail,
  .v21-logger-detail,
  .e817-visual-chain,
  .e817-product-views,
  .e817-version,
  .v21-enclosure-version {
    --orange: var(--ait-color-action, #3b6fd8);
    --deep: var(--ait-color-ink, #172033);
    --paper: #f6f8fb;
  }

  body.ait-v21 .v21-producthero.v21-producthero-enclosure,
  body.ait-v21 .v21-producthero.v21-producthero-rs485,
  body.ait-v21 .v21-producthero.v21-producthero-gateway,
  body.ait-v21 .v21-producthero.v21-producthero-logger {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: center;
    min-height: 650px;
    padding: 64px 96px !important;
    background: #fff !important;
    color: var(--ait-color-ink, #172033) !important;
    overflow: hidden;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
  }

  body.ait-v21 .v21-producthero.v21-producthero-enclosure::before,
  body.ait-v21 .v21-producthero.v21-producthero-enclosure::after,
  body.ait-v21 .v21-producthero.v21-producthero-rs485::before,
  body.ait-v21 .v21-producthero.v21-producthero-rs485::after,
  body.ait-v21 .v21-producthero.v21-producthero-gateway::before,
  body.ait-v21 .v21-producthero.v21-producthero-gateway::after,
  body.ait-v21 .v21-producthero.v21-producthero-logger::before,
  body.ait-v21 .v21-producthero.v21-producthero-logger::after {
    content: none !important;
    display: none !important;
  }

  .v21-producthero-enclosure > div,
  .v21-producthero-rs485 > div,
  .v21-producthero-gateway > div,
  .v21-producthero-logger > div {
    grid-column: 1;
    color: var(--ait-color-ink, #172033) !important;
  }

  .v21-producthero-enclosure > picture.v21-producthero-media,
  .v21-producthero-enclosure > img.v21-producthero-media,
  .v21-producthero-rs485 > picture.v21-producthero-media,
  .v21-producthero-rs485 > img.v21-producthero-media,
  .v21-producthero-gateway > picture.v21-producthero-media,
  .v21-producthero-gateway > img.v21-producthero-media,
  .v21-producthero-logger > picture.v21-producthero-media,
  .v21-producthero-logger > img.v21-producthero-media {
    grid-column: 2;
    width: 100%;
    height: 500px;
    object-fit: contain;
  }

  .v21-producthero-enclosure .eyebrow,
  .v21-producthero-rs485 .eyebrow,
  .v21-producthero-gateway .eyebrow,
  .v21-producthero-logger .eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: none;
    color: var(--ait-color-action, #3b6fd8) !important;
  }

  .v21-enclosure-tags,
  .v21-converter-tags,
  .v21-gateway-tags,
  .v21-logger-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
  }

  .v21-enclosure-tags li,
  .v21-converter-tags li,
  .v21-gateway-tags li,
  .v21-logger-tags li {
    padding: 6px 10px;
    border: 1px solid var(--ait-color-line, #dce3ed) !important;
    background: #f6f8fb !important;
    font-size: 13px;
    border-radius: 4px;
  }

  .v21-converter-nav,
  .v21-gateway-nav,
  .v21-logger-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    align-items: center;
    padding: 18px 96px;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
    background: #fff;
  }

  .v21-converter-detail,
  .v21-gateway-detail,
  .v21-logger-detail {
    background: #fff;
    color: var(--ait-color-ink, #172033);
  }

  .v21-converter-detail > section,
  .v21-converter-detail > aside,
  .v21-gateway-detail > section,
  .v21-gateway-detail > aside,
  .v21-logger-detail > section,
  .v21-logger-detail > aside,
  .e817-product-views,
  .e817-version,
  .v21-enclosure-version {
    padding: 56px 96px;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
  }

  .e817-visual-chain {
    padding: 56px 96px;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
    background: #fff;
  }

  .e817-visual-chain .eyebrow,
  .v21-converter-heading .eyebrow,
  .v21-gateway-heading .eyebrow,
  .v21-logger-heading .eyebrow,
  .v21-enclosure-heading .eyebrow,
  .v21-converter-problem .eyebrow,
  .v21-converter-cta .eyebrow,
  .v21-gateway-cta .eyebrow,
  .v21-logger-cta .eyebrow {
    color: var(--ait-color-action, #3b6fd8) !important;
    text-transform: none;
    letter-spacing: 0.06em;
    font-size: 12px;
    font-weight: 600;
  }

  .v21-converter-cap-grid,
  .v21-converter-value-grid,
  .v21-gateway-cap-grid,
  .v21-gateway-value-grid,
  .v21-logger-grid,
  .v21-logger-scene-grid,
  .v21-enclosure-view-grid,
  .v21-logger-visual-grid,
  .v21-gateway-visual-grid,
  .v21-converter-spec-grid,
  .v21-gateway-spec-grid,
  .v21-logger-spec-grid {
    display: grid;
    gap: 16px;
    margin-top: 24px;
  }

  .v21-converter-cap-grid,
  .v21-converter-value-grid,
  .v21-gateway-value-grid,
  .v21-logger-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .v21-gateway-cap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .v21-enclosure-view-grid,
  .v21-logger-visual-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .v21-gateway-visual-grid,
  .v21-converter-visual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .v21-converter-spec-grid,
  .v21-gateway-spec-grid,
  .v21-logger-spec-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .v21-converter-detail figure,
  .v21-gateway-detail figure,
  .v21-logger-detail figure,
  .e817-product-views figure {
    margin: 0;
    border: 1px solid var(--ait-color-line, #dce3ed);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
  }

  .v21-converter-detail figure img,
  .v21-gateway-detail figure img,
  .v21-logger-detail figure img,
  .e817-product-views figure img {
    display: block;
    width: 100%;
    height: auto;
  }

  .v21-converter-flow,
  .v21-gateway-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-top: 20px;
  }

  .v21-converter-cta,
  .v21-gateway-cta,
  .v21-logger-cta,
  .v21-logger-decision,
  .e817-version,
  .v21-enclosure-version {
    background: var(--paper);
  }

  .v21-converter-version,
  .v21-gateway-version,
  .v21-logger-version {
    display: block;
    padding: 18px 96px;
    background: var(--paper);
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
  }

  .v21-converter-problem {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: center;
  }

  .v21-converter-detail .v21-btn.hot,
  .v21-gateway-detail .v21-btn.hot,
  .v21-logger-detail .v21-btn.hot {
    background: var(--ait-color-action, #3b6fd8) !important;
    border-color: var(--ait-color-action, #3b6fd8) !important;
    color: #fff !important;
  }

  /* --- Wave3 heroes + detail roots (mirror Wave1/Wave2) --- */
  .v21-producthero-cable,
  .v21-producthero-water-level,
  .v21-cable-detail,
  .v21-water-level-detail {
    --orange: var(--ait-color-action, #3b6fd8);
    --deep: var(--ait-color-ink, #172033);
    --paper: #f6f8fb;
  }

  body.ait-v21 .v21-producthero.v21-producthero-cable,
  body.ait-v21 .v21-producthero.v21-producthero-water-level {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: center;
    min-height: 650px;
    padding: 64px 96px !important;
    background: #fff !important;
    color: var(--ait-color-ink, #172033) !important;
    overflow: hidden;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
  }

  body.ait-v21 .v21-producthero.v21-producthero-cable::before,
  body.ait-v21 .v21-producthero.v21-producthero-cable::after,
  body.ait-v21 .v21-producthero.v21-producthero-water-level::before,
  body.ait-v21 .v21-producthero.v21-producthero-water-level::after {
    content: none !important;
    display: none !important;
  }

  .v21-producthero-cable > div,
  .v21-producthero-water-level > div {
    grid-column: 1;
    color: var(--ait-color-ink, #172033) !important;
  }

  .v21-producthero-cable > picture.v21-producthero-media,
  .v21-producthero-cable > img.v21-producthero-media,
  .v21-producthero-water-level > picture.v21-producthero-media,
  .v21-producthero-water-level > img.v21-producthero-media {
    grid-column: 2;
    width: 100%;
    height: 500px;
    object-fit: contain;
  }

  .v21-producthero-cable .eyebrow,
  .v21-producthero-water-level .eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: none;
    color: var(--ait-color-action, #3b6fd8) !important;
  }

  .v21-cable-tags,
  .v21-water-level-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
  }

  .v21-cable-tags li,
  .v21-water-level-tags li {
    padding: 6px 10px;
    border: 1px solid var(--ait-color-line, #dce3ed) !important;
    background: #f6f8fb !important;
    font-size: 13px;
    border-radius: 4px;
  }

  .v21-cable-nav,
  .v21-water-level-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    align-items: center;
    padding: 18px 96px;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
    background: #fff;
  }

  .v21-cable-detail,
  .v21-water-level-detail {
    background: #fff;
    color: var(--ait-color-ink, #172033);
  }

  .v21-cable-detail > section,
  .v21-cable-detail > aside,
  .v21-water-level-detail > section,
  .v21-water-level-detail > aside {
    padding: 56px 96px;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
  }

  .v21-cable-heading .eyebrow,
  .v21-cable-principle .eyebrow,
  .v21-cable-proof .eyebrow,
  .v21-cable-cta .eyebrow,
  .v21-water-level-heading .eyebrow,
  .v21-water-level-principle .eyebrow,
  .v21-water-level-install .eyebrow,
  .v21-water-level-cta .eyebrow {
    color: var(--ait-color-action, #3b6fd8) !important;
    text-transform: none;
    letter-spacing: 0.06em;
    font-size: 12px;
    font-weight: 600;
  }

  .v21-cable-cap-grid,
  .v21-cable-visual-grid,
  .v21-cable-case-grid,
  .v21-cable-spec-grid,
  .v21-cable-fit-grid,
  .v21-water-level-cap-grid,
  .v21-water-level-diagram-grid,
  .v21-water-level-system-grid,
  .v21-water-level-spec-grid {
    display: grid;
    gap: 16px;
    margin-top: 24px;
  }

  .v21-cable-cap-grid,
  .v21-cable-fit-grid,
  .v21-water-level-cap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .v21-cable-visual-grid,
  .v21-water-level-diagram-grid,
  .v21-water-level-system-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .v21-cable-spec-grid,
  .v21-water-level-spec-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .v21-cable-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .v21-cable-principle,
  .v21-water-level-principle {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
  }

  .v21-cable-detail figure,
  .v21-water-level-detail figure {
    margin: 0;
    border: 1px solid var(--ait-color-line, #dce3ed);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
  }

  .v21-cable-detail figure img,
  .v21-water-level-detail figure img {
    display: block;
    width: 100%;
    height: auto;
  }

  .v21-cable-proof-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
  }

  .v21-cable-decision,
  .v21-water-level-decision,
  .v21-cable-version,
  .v21-water-level-version,
  .v21-cable-cta,
  .v21-water-level-cta {
    background: var(--paper);
  }

  .v21-cable-version,
  .v21-water-level-version {
    display: block;
    padding: 18px 96px;
    border-bottom: 1px solid var(--ait-color-line, #dce3ed);
  }

  .v21-water-level-install {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

  .v21-cable-faq details,
  .v21-water-level-faq details {
    border: 1px solid var(--ait-color-line, #dce3ed);
    border-radius: 8px;
    padding: 14px 16px;
    margin-top: 10px;
    background: #fff;
  }

  .v21-cable-heading-sub,
  .v21-water-level-heading-sub {
    margin-top: 40px;
  }

  .v21-cable-detail .v21-btn.hot,
  .v21-water-level-detail .v21-btn.hot {
    background: var(--ait-color-action, #3b6fd8) !important;
    border-color: var(--ait-color-action, #3b6fd8) !important;
    color: #fff !important;
  }

  /* --- Round 2: hero white-out, spacing, figures, legacy theme neutralize --- */
  body.ait-v21 .v21-producthero.v21-producthero-piezometer,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic,
  body.ait-v21 .v21-producthero.v21-producthero-enclosure,
  body.ait-v21 .v21-producthero.v21-producthero-rs485,
  body.ait-v21 .v21-producthero.v21-producthero-gateway,
  body.ait-v21 .v21-producthero.v21-producthero-logger,
  body.ait-v21 .v21-producthero.v21-producthero-cable,
  body.ait-v21 .v21-producthero.v21-producthero-water-level {
    background: #fff !important;
    background-image: none !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-producthero.v21-producthero-piezometer::before,
  body.ait-v21 .v21-producthero.v21-producthero-piezometer::after,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic::before,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic::after,
  body.ait-v21 .v21-producthero.v21-producthero-enclosure::before,
  body.ait-v21 .v21-producthero.v21-producthero-enclosure::after,
  body.ait-v21 .v21-producthero.v21-producthero-rs485::before,
  body.ait-v21 .v21-producthero.v21-producthero-rs485::after,
  body.ait-v21 .v21-producthero.v21-producthero-gateway::before,
  body.ait-v21 .v21-producthero.v21-producthero-gateway::after,
  body.ait-v21 .v21-producthero.v21-producthero-logger::before,
  body.ait-v21 .v21-producthero.v21-producthero-logger::after,
  body.ait-v21 .v21-producthero.v21-producthero-cable::before,
  body.ait-v21 .v21-producthero.v21-producthero-cable::after,
  body.ait-v21 .v21-producthero.v21-producthero-water-level::before,
  body.ait-v21 .v21-producthero.v21-producthero-water-level::after {
    content: none !important;
    display: none !important;
    background: none !important;
  }

  body.ait-v21 .v21-producthero-piezometer > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero-piezometer > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-dynamic > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero-dynamic > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-enclosure > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero-enclosure > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-rs485 > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero-rs485 > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-gateway > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero-gateway > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-logger > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero-logger > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-cable > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero-cable > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-water-level > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero-water-level > img.v21-producthero-media {
    background: transparent !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-producthero-piezometer picture img,
  body.ait-v21 .v21-producthero-dynamic picture img,
  body.ait-v21 .v21-producthero-enclosure picture img,
  body.ait-v21 .v21-producthero-rs485 picture img,
  body.ait-v21 .v21-producthero-gateway picture img,
  body.ait-v21 .v21-producthero-logger picture img,
  body.ait-v21 .v21-producthero-cable picture img,
  body.ait-v21 .v21-producthero-water-level picture img,
  body.ait-v21 .v21-producthero-piezometer > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-dynamic > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-enclosure > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-rs485 > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-gateway > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-logger > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-cable > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-water-level > img.v21-producthero-media {
    object-fit: contain !important;
    object-position: center;
    background: #fff !important;
  }

  .v21-piezometer-decision,
  .v21-dynamic-decision,
  .v21-logger-decision,
  .v21-cable-decision,
  .v21-water-level-decision,
  .v21-piezometer-version,
  .v21-dynamic-version,
  .v21-gateway-version,
  .v21-logger-version,
  .v21-enclosure-version,
  .e817-version.v21-enclosure-version,
  .v21-cable-version,
  .v21-water-level-version {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
  }

  .v21-piezometer-nav,
  .v21-dynamic-nav,
  .v21-converter-nav,
  .v21-gateway-nav,
  .v21-logger-nav,
  .v21-cable-nav,
  .v21-water-level-nav {
    padding-top: 12px !important;
    padding-bottom: 12px !important;
    margin-bottom: 0 !important;
  }

  .v21-piezometer-detail > section,
  .v21-dynamic-detail > section,
  .v21-converter-detail > section,
  .v21-gateway-detail > section,
  .v21-logger-detail > section,
  .v21-cable-detail > section,
  .v21-water-level-detail > section,
  .v21-enclosure-views {
    padding-top: 48px !important;
    padding-bottom: 48px !important;
  }

  .v21-piezometer-detail figure img,
  .v21-dynamic-detail figure img,
  .v21-converter-detail figure img,
  .v21-gateway-detail figure img,
  .v21-logger-detail figure img,
  .v21-cable-detail figure img,
  .v21-water-level-detail figure img,
  .v21-enclosure-view-grid figure img,
  .e817-product-views figure img {
    object-fit: contain !important;
    background: #fff !important;
    max-height: 420px;
    width: 100%;
    height: auto;
  }

  .v21-piezometer-detail,
  .v21-dynamic-detail,
  .v21-converter-detail,
  .v21-gateway-detail,
  .v21-logger-detail,
  .v21-cable-detail,
  .v21-water-level-detail {
    background: #fff !important;
    color: var(--ait-color-ink, #172033) !important;
  }

  .v21-gateway-detail .v21-gateway-fit aside,
  .v21-logger-detail .v21-logger-fit,
  .v21-gateway-detail section,
  .v21-logger-detail section,
  .v21-gateway-detail aside,
  .v21-logger-detail aside {
    background: #fff !important;
    background-image: none !important;
  }

  .v21-gateway-detail [class*="cap-grid"] article,
  .v21-logger-detail [class*="grid"] article,
  .v21-gateway-visual-grid figure,
  .v21-logger-visual-grid figure {
    background: #f6f8fb !important;
    border-color: var(--ait-color-line, #dce3ed) !important;
  }

  .v21-gateway-detail .v21-btn.hot,
  .v21-logger-detail .v21-btn.hot,
  .v21-converter-detail .v21-btn.hot,
  .v21-piezometer-detail .v21-btn.hot,
  .v21-dynamic-detail .v21-btn.hot,
  .v21-cable-detail .v21-btn.hot,
  .v21-water-level-detail .v21-btn.hot {
    background: #3b6fd8 !important;
    border-color: #3b6fd8 !important;
    color: #fff !important;
  }

  .v21-gateway-detail .v21-btn.dark,
  .v21-logger-detail .v21-btn.dark,
  .v21-converter-detail .v21-btn.dark,
  .v21-piezometer-detail .v21-btn.dark,
  .v21-dynamic-detail .v21-btn.dark,
  .v21-cable-detail .v21-btn.dark,
  .v21-water-level-detail .v21-btn.dark {
    background: #3b6fd8 !important;
    border-color: #3b6fd8 !important;
    color: #fff !important;
  }

  .v21-gateway-visual-grid figure,
  .v21-logger-visual-grid figure,
  .v21-gateway-arch-fig,
  .v21-logger-visual-grid figure img {
    min-height: 220px;
  }

  .v21-gateway-visual-grid figure img,
  .v21-logger-visual-grid figure img,
  .v21-gateway-arch-fig img,
  .v21-logger-visual-grid img {
    min-height: 180px;
    object-fit: contain !important;
  }


  /* ROUND-2b: kill live silver/recovery hero gradients (load-order safe) */
  body.ait-v21 section.v21-producthero.v21-producthero-piezometer,
  body.ait-v21 section.v21-producthero.v21-producthero-dynamic,
  body.ait-v21 section.v21-producthero.v21-producthero-enclosure,
  body.ait-v21 section.v21-producthero.v21-producthero-rs485,
  body.ait-v21 section.v21-producthero.v21-producthero-gateway,
  body.ait-v21 section.v21-producthero.v21-producthero-logger,
  body.ait-v21 section.v21-producthero.v21-producthero-cable,
  body.ait-v21 section.v21-producthero.v21-producthero-water-level {
    background: #fff !important;
    background-color: #fff !important;
    background-image: none !important;
    box-shadow: none !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-piezometer::before,
  body.ait-v21 section.v21-producthero.v21-producthero-piezometer::after,
  body.ait-v21 section.v21-producthero.v21-producthero-dynamic::before,
  body.ait-v21 section.v21-producthero.v21-producthero-dynamic::after,
  body.ait-v21 section.v21-producthero.v21-producthero-enclosure::before,
  body.ait-v21 section.v21-producthero.v21-producthero-enclosure::after,
  body.ait-v21 section.v21-producthero.v21-producthero-rs485::before,
  body.ait-v21 section.v21-producthero.v21-producthero-rs485::after,
  body.ait-v21 section.v21-producthero.v21-producthero-gateway::before,
  body.ait-v21 section.v21-producthero.v21-producthero-gateway::after,
  body.ait-v21 section.v21-producthero.v21-producthero-logger::before,
  body.ait-v21 section.v21-producthero.v21-producthero-logger::after,
  body.ait-v21 section.v21-producthero.v21-producthero-cable::before,
  body.ait-v21 section.v21-producthero.v21-producthero-cable::after,
  body.ait-v21 section.v21-producthero.v21-producthero-water-level::before,
  body.ait-v21 section.v21-producthero.v21-producthero-water-level::after {
    content: none !important;
    display: none !important;
    opacity: 0 !important;
    background: none !important;
    background-image: none !important;
  }

  .v21-piezometer-decision,
  .v21-logger-decision,
  .v21-water-level-decision {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px !important;
    padding: 20px 96px !important;
    align-items: start;
  }

  .v21-piezometer-decision > div > p,
  .v21-logger-decision > div > p,
  .v21-water-level-decision > div > p {
    margin: 0;
    font-size: 16px !important;
    line-height: 1.55 !important;
    font-weight: 600 !important;
    color: var(--ait-color-ink, #172033) !important;
  }

  .v21-piezometer-decision > div > span,
  .v21-logger-decision > div > span,
  .v21-water-level-decision > div > span {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--ait-color-ink-secondary, #43516a);
  }



  /* ROUND-3 piezometer: soft gradient hero (no white card), kill orange/green */
  body.ait-v21 section.v21-producthero.v21-producthero-piezometer {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    background-color: #eaf0f8 !important;
    background-image: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    box-shadow: none !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-piezometer::before,
  body.ait-v21 section.v21-producthero.v21-producthero-piezometer::after {
    content: none !important;
    display: none !important;
    opacity: 0 !important;
    background: none !important;
    background-image: none !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-producthero.v21-producthero-piezometer > img.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-piezometer > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-piezometer > picture.v21-producthero-media img {
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    object-fit: contain !important;
    mix-blend-mode: normal !important;
    filter: none !important;
  }

  /* neutralize legacy recovery / theme orange-amber / deep-teal within this SKU */
  body.ait-v21 .v21-producthero-piezometer,
  body.ait-v21 .v21-piezometer-detail {
    --orange: #3b6fd8 !important;
    --wp--preset--color--luminous-vivid-orange: #3b6fd8 !important;
    --wp--preset--color--luminous-vivid-amber: #3b6fd8 !important;
    --wp--preset--color--vivid-green-cyan: #3b6fd8 !important;
    --wp--preset--color--light-green-cyan: #e8eef7 !important;
  }

  body.ait-v21 .v21-piezometer-detail,
  body.ait-v21 .v21-piezometer-detail section,
  body.ait-v21 .v21-piezometer-detail aside,
  body.ait-v21 .v21-piezometer-detail article,
  body.ait-v21 .v21-piezometer-detail .v21-piezometer-cap-grid article,
  body.ait-v21 .v21-piezometer-detail .v21-piezometer-spec-grid article,
  body.ait-v21 .v21-piezometer-detail details,
  body.ait-v21 .v21-piezometer-detail table,
  body.ait-v21 .v21-piezometer-detail th,
  body.ait-v21 .v21-piezometer-detail td {
    background: #fff !important;
    background-image: none !important;
    color: #172033 !important;
    border-color: #dce3ed !important;
  }

  body.ait-v21 .v21-piezometer-detail th,
  body.ait-v21 .v21-piezometer-detail thead,
  body.ait-v21 .v21-piezometer-detail [class*="highlight"],
  body.ait-v21 .v21-piezometer-detail [style*="orange"],
  body.ait-v21 .v21-piezometer-detail [style*="#ff"],
  body.ait-v21 .v21-piezometer-detail [style*="#e6"],
  body.ait-v21 .v21-piezometer-detail [style*="#f3"],
  body.ait-v21 .v21-piezometer-detail [style*="#0a"],
  body.ait-v21 .v21-piezometer-detail [style*="#06"],
  body.ait-v21 .v21-piezometer-detail [style*="#0d"],
  body.ait-v21 .v21-piezometer-detail [style*="#1a5"],
  body.ait-v21 .v21-piezometer-detail [style*="#2d6"] {
    background: #f6f8fb !important;
    background-image: none !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-piezometer-detail h1,
  body.ait-v21 .v21-piezometer-detail h2,
  body.ait-v21 .v21-piezometer-detail h3,
  body.ait-v21 .v21-piezometer-detail dt,
  body.ait-v21 .v21-piezometer-detail summary {
    color: #172033 !important;
  }

  body.ait-v21 .v21-piezometer-detail .eyebrow,
  body.ait-v21 .v21-piezometer-detail .v21-piezometer-cap-grid b,
  body.ait-v21 .v21-piezometer-detail ol > li > b {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-piezometer-detail .v21-btn.hot,
  body.ait-v21 .v21-producthero-piezometer .v21-btn.hot {
    background: #3b6fd8 !important;
    border-color: #3b6fd8 !important;
    color: #fff !important;
  }

  body.ait-v21 .v21-piezometer-detail figure {
    border: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    border-radius: 0 !important;
    overflow: visible !important;
  }

  body.ait-v21 .v21-piezometer-detail .v21-enrichment-gallery figure img {
    background: #eef2f7 !important;
    border-radius: 0;
    object-fit: cover !important;
    width: 100%;
    aspect-ratio: 16 / 10;
    max-height: 168px !important;
  }

  body.ait-v21 .v21-piezometer-detail .v21-piezometer-case-grid figure img {
    background: #eef2f7 !important;
    border-radius: 0;
    object-fit: cover !important;
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 200px !important;
  }

  body.ait-v21 .v21-piezometer-detail .v21-enrichment-gallery.four {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 12px !important;
    margin-top: 16px !important;
    max-width: 100%;
  }

  body.ait-v21 .v21-piezometer-detail .v21-enrichment-gallery.four figure {
    max-width: 100%;
  }

  body.ait-v21 .v21-piezometer-detail .v21-enrichment-gallery.four figcaption {
    padding: 8px 10px !important;
    font-size: 12px !important;
  }

  body.ait-v21 .v21-piezometer-intro figure img,
  body.ait-v21 .v21-piezometer-diagram-grid figure img,
  body.ait-v21 .v21-piezometer-install figure img,
  body.ait-v21 .v21-piezometer-install-media img {
    object-fit: contain !important;
    aspect-ratio: auto;
    max-height: 420px !important;
    background: linear-gradient(160deg, #f4f7fb 0%, #e4edf7 100%) !important;
    border-radius: 14px !important;
    padding: 16px;
  }

  body.ait-v21 .v21-piezometer-case-grid.three {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 16px !important;
    margin-top: 20px !important;
  }

  body.ait-v21 .v21-piezometer-detail .v21-enrichment-gallery figure,
  body.ait-v21 .v21-piezometer-case-grid figure {
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    overflow: hidden !important;
    background: #fff !important;
  }

  body.ait-v21 .v21-piezometer-detail .v21-enrichment-gallery figcaption,
  body.ait-v21 .v21-piezometer-case-grid figcaption {
    padding: 10px 12px;
    font-size: 13px;
    color: #43516a;
    border-top: 1px solid #e7edf5;
    background: #fff !important;
  }

  body.ait-v21 .v21-piezometer-scene-grid,
  body.ait-v21 .v21-piezometer-detail .v21-enrichment-gallery.six {
    display: none !important;
  }

  body.ait-v21 .v21-piezometer-spec-grid article {
    background: #f6f8fb !important;
  }

  body.ait-v21 .v21-piezometer-spec-grid article h3,
  body.ait-v21 .v21-piezometer-spec-grid dt {
    color: #315fae !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-piezometer-heading-sub {
    margin-top: 36px !important;
  }



  /* ROUND-4 piezometer: kill green bars, cutout plates, denser caps, no yellow note */
  body.ait-v21 .v21-piezometer-intro ol li,
  body.ait-v21 .v21-piezometer-install ol li,
  body.ait-v21 .v21-piezometer-detail ol li {
    border: 0 !important;
    border-left: 0 !important;
    border-right: 0 !important;
    border-top: 0 !important;
    border-bottom: 1px solid #e7edf5 !important;
    padding: 10px 0 !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-piezometer-intro ol li::before,
  body.ait-v21 .v21-piezometer-intro ol li::after,
  body.ait-v21 .v21-piezometer-install ol li::before,
  body.ait-v21 .v21-piezometer-install ol li::after,
  body.ait-v21 .v21-piezometer-detail ol li::before,
  body.ait-v21 .v21-piezometer-detail ol li::after {
    content: none !important;
    display: none !important;
    background: none !important;
    border: 0 !important;
    width: 0 !important;
    height: 0 !important;
  }

  body.ait-v21 .v21-piezometer-cutout-plate {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    background-image: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 28px 24px 18px !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  body.ait-v21 .v21-piezometer-cutout-plate img {
    background: transparent !important;
    background-image: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    max-height: 380px !important;
    width: 100%;
    object-fit: contain !important;
    mix-blend-mode: normal !important;
  }

  body.ait-v21 .v21-piezometer-cutout-plate figcaption {
    background: transparent !important;
    border-top: 0 !important;
    color: #43516a !important;
    padding: 12px 4px 0 !important;
  }

  body.ait-v21 .v21-piezometer-capabilities {
    padding-top: 36px !important;
    padding-bottom: 36px !important;
  }

  body.ait-v21 .v21-piezometer-cap-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 12px !important;
    margin-top: 16px !important;
  }

  body.ait-v21 .v21-piezometer-cap-grid article {
    padding: 14px 14px 12px !important;
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
  }

  body.ait-v21 .v21-piezometer-cap-grid article h3 {
    margin: 6px 0 6px !important;
    font-size: 16px !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-piezometer-cap-grid article p {
    margin: 0 !important;
    font-size: 14px !important;
    line-height: 1.55 !important;
    color: #2a3548 !important;
    opacity: 1 !important;
  }

  body.ait-v21 .v21-piezometer-diagram-grid {
    margin-top: 16px !important;
    gap: 14px !important;
  }

  body.ait-v21 .v21-piezometer-diagram-grid figure {
    background: linear-gradient(160deg, #f4f7fb 0%, #e4edf7 100%) !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    padding: 18px 18px 0 !important;
  }

  body.ait-v21 .v21-piezometer-diagram-grid figure img {
    max-height: 220px !important;
    width: auto !important;
    max-width: 70% !important;
    margin: 0 auto !important;
    display: block !important;
    background: transparent !important;
    padding: 0 !important;
    object-fit: contain !important;
  }

  body.ait-v21 .v21-piezometer-diagram-grid figcaption {
    background: transparent !important;
    border-top: 0 !important;
    text-align: center;
    padding: 10px 8px 14px !important;
  }

  body.ait-v21 .v21-piezometer-detail > section.v21-piezometer-capabilities,
  body.ait-v21 .v21-piezometer-detail > section.v21-piezometer-specs {
    padding-top: 40px !important;
    padding-bottom: 40px !important;
  }

  body.ait-v21 .v21-piezometer-spec-grid {
    gap: 12px !important;
    margin-top: 16px !important;
  }

  body.ait-v21 .v21-piezometer-spec-grid article {
    padding: 14px !important;
    background: #f6f8fb !important;
  }

  body.ait-v21 .v21-piezometer-spec-grid dl > div {
    padding: 5px 0 !important;
    font-size: 13px !important;
  }

  body.ait-v21 .v21-piezometer-spec-grid dt {
    color: #315fae !important;
  }

  body.ait-v21 .v21-piezometer-spec-grid dd {
    color: #172033 !important;
  }

  body.ait-v21 .v21-piezometer-note,
  body.ait-v21 .v21-piezometer-detail .v21-piezometer-note,
  body.ait-v21 p.v21-piezometer-note {
    background: #f6f8fb !important;
    background-image: none !important;
    border: 1px solid #dce3ed !important;
    border-left: 3px solid #3b6fd8 !important;
    color: #43516a !important;
    padding: 10px 14px !important;
    border-radius: 8px !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-piezometer-note::before,
  body.ait-v21 .v21-piezometer-note::after {
    content: none !important;
    display: none !important;
    background: none !important;
  }

  body.ait-v21 .v21-piezometer-install figure.v21-piezometer-install-media img,
  body.ait-v21 .v21-piezometer-intro figure:not(.v21-piezometer-cutout-plate) img {
    background: transparent !important;
    padding: 0 !important;
  }

  /* ROUND-4b: higher-specificity cutout plate + hero radial kill */
  body.ait-v21 .v21-piezometer-detail figure.v21-piezometer-cutout-plate,
  body.ait-v21 .v21-piezometer-detail figure.v21-piezometer-cutout-plate.v21-piezometer-install-media {
    background: linear-gradient(125deg, #eef3f9 0%, #dce8f5 48%, #c8d9ef 100%) !important;
    background-color: #e3ecf6 !important;
    background-image: linear-gradient(125deg, #eef3f9 0%, #dce8f5 48%, #c8d9ef 100%) !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 28px 24px 18px !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  body.ait-v21 .v21-piezometer-detail figure.v21-piezometer-cutout-plate img {
    background: transparent !important;
    background-image: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    max-height: 380px !important;
    object-fit: contain !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-piezometer {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    background-image: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
  }

  body.ait-v21 .v21-producthero-piezometer .eyebrow,
  body.ait-v21 .v21-producthero-piezometer .eyebrow::before,
  body.ait-v21 .v21-producthero-piezometer .eyebrow::after {
    border: 0 !important;
    border-left: 0 !important;
    background-image: none !important;
  }



  /* ROUND-1 dynamic: compact scenes/cases, kill green bars, soft plates, denser caps */
  body.ait-v21 .v21-piezometer-detail .v21-enrichment-gallery.six {
    display: none !important;
  }

  body.ait-v21 .v21-dynamic-detail .v21-enrichment-gallery.six {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 12px !important;
    margin-top: 16px !important;
  }

  body.ait-v21 .v21-dynamic-detail .v21-enrichment-gallery.six figure img {
    object-fit: cover !important;
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 168px !important;
  }

  body.ait-v21 .v21-dynamic-detail .v21-enrichment-gallery.six figcaption {
    padding: 8px 10px !important;
    font-size: 12px !important;
  }

  body.ait-v21 .v21-dynamic-principle ol li,
  body.ait-v21 .v21-dynamic-install ol li,
  body.ait-v21 .v21-dynamic-detail ol li {
    border: 0 !important;
    border-left: 0 !important;
    border-right: 0 !important;
    border-top: 0 !important;
    border-bottom: 1px solid #e7edf5 !important;
    padding: 10px 0 !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-dynamic-principle ol li::before,
  body.ait-v21 .v21-dynamic-principle ol li::after,
  body.ait-v21 .v21-dynamic-install ol li::before,
  body.ait-v21 .v21-dynamic-install ol li::after,
  body.ait-v21 .v21-dynamic-detail ol li::before,
  body.ait-v21 .v21-dynamic-detail ol li::after {
    content: none !important;
    display: none !important;
  }

  body.ait-v21 .v21-dynamic-cap-grid {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 14px !important;
    margin-top: 18px !important;
  }

  body.ait-v21 .v21-dynamic-cap-grid article {
    padding: 14px 14px 16px !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    background: #fff !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-dynamic-cap-grid article h3 {
    margin: 8px 0 6px !important;
    font-size: 16px !important;
    color: #1a2333 !important;
  }

  body.ait-v21 .v21-dynamic-cap-grid article p {
    margin: 0 !important;
    font-size: 13px !important;
    line-height: 1.55 !important;
    color: #43516a !important;
  }

  body.ait-v21 .v21-dynamic-cap-grid span,
  body.ait-v21 .v21-dynamic-principle ol b,
  body.ait-v21 .v21-dynamic-install ol b,
  body.ait-v21 .v21-dynamic-detail .eyebrow {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-dynamic-diagram-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 16px !important;
    margin-top: 20px !important;
  }

  body.ait-v21 .v21-dynamic-diagram-grid figure,
  body.ait-v21 .v21-dynamic-principle > figure,
  body.ait-v21 .v21-dynamic-install > figure,
  body.ait-v21 .v21-dynamic-problem-fig {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 20px 18px 14px !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  body.ait-v21 .v21-dynamic-diagram-grid figure img,
  body.ait-v21 .v21-dynamic-principle > figure img,
  body.ait-v21 .v21-dynamic-install > figure img,
  body.ait-v21 .v21-dynamic-problem-fig img {
    background: transparent !important;
    object-fit: contain !important;
    max-height: 320px !important;
    width: 100%;
    border-radius: 0 !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-dynamic-case-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 14px !important;
    margin-top: 16px !important;
  }

  body.ait-v21 .v21-dynamic-case-grid figure img {
    object-fit: cover !important;
    aspect-ratio: 4 / 3;
    max-height: 180px !important;
    width: 100%;
  }

  body.ait-v21 .v21-dynamic-detail .v21-enrichment-gallery figure,
  body.ait-v21 .v21-dynamic-case-grid figure {
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    overflow: hidden !important;
    background: #fff !important;
  }

  body.ait-v21 .v21-dynamic-compare {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) !important;
    gap: 14px !important;
    align-items: stretch !important;
    margin-top: 18px !important;
  }

  body.ait-v21 .v21-dynamic-compare article {
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
    background: #fff !important;
    padding: 16px 18px !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-dynamic-compare article b {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-dynamic-spec-groups article {
    background: #f6f8fb !important;
  }

  body.ait-v21 .v21-dynamic-spec-groups article h3,
  body.ait-v21 .v21-dynamic-spec-groups dt {
    color: #315fae !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-dynamic-legal,
  body.ait-v21 .v21-dynamic-detail .v21-dynamic-legal {
    background: transparent !important;
    border: 0 !important;
    color: #5a6a82 !important;
    padding: 8px 0 0 !important;
    font-size: 13px !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-dynamic {
    background: linear-gradient(135deg, #f7f9fc 0%, #eef3f9 42%, #e4edf7 100%) !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-dynamic::before,
  body.ait-v21 section.v21-producthero.v21-producthero-dynamic::after {
    display: none !important;
  }


  /* ROUND-1b dynamic: kill hero white card like piezometer */
  body.ait-v21 section.v21-producthero.v21-producthero-dynamic {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    background-color: #eaf0f8 !important;
    box-shadow: none !important;
  }
  body.ait-v21 .v21-producthero.v21-producthero-dynamic > img.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-dynamic > picture.v21-producthero-media img {
    background: transparent !important;
    background-color: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    object-fit: contain !important;
  }


  /* ROUND-1 water-level: mirror piezometer layout contract (no copy change) */
  body.ait-v21 section.v21-producthero.v21-producthero-water-level {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    background-color: #eaf0f8 !important;
    box-shadow: none !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-water-level::before,
  body.ait-v21 section.v21-producthero.v21-producthero-water-level::after {
    content: none !important;
    display: none !important;
  }

  body.ait-v21 .v21-producthero.v21-producthero-water-level > img.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-water-level > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-water-level > picture.v21-producthero-media img {
    background: transparent !important;
    background-color: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    object-fit: contain !important;
  }

  body.ait-v21 .v21-water-level-detail {
    background: #fff !important;
  }

  body.ait-v21 .v21-water-level-detail,
  body.ait-v21 .v21-water-level-detail section,
  body.ait-v21 .v21-water-level-detail aside,
  body.ait-v21 .v21-water-level-detail article {
    --orange: #3b6fd8 !important;
  }

  body.ait-v21 .v21-water-level-nav {
    border-bottom: 1px solid #e7edf5 !important;
    background: #fff !important;
  }

  body.ait-v21 .v21-water-level-decision {
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
  }

  body.ait-v21 .v21-water-level-version {
    background: transparent !important;
    border: 0 !important;
    color: #5a6a82 !important;
  }

  body.ait-v21 .v21-water-level-principle ol li,
  body.ait-v21 .v21-water-level-install ol li,
  body.ait-v21 .v21-water-level-install ul li,
  body.ait-v21 .v21-water-level-detail ol li,
  body.ait-v21 .v21-water-level-detail ul li {
    border: 0 !important;
    border-left: 0 !important;
    border-right: 0 !important;
    border-top: 0 !important;
    border-bottom: 1px solid #e7edf5 !important;
    padding: 10px 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    list-style: none !important;
  }

  body.ait-v21 .v21-water-level-principle ol,
  body.ait-v21 .v21-water-level-install ol,
  body.ait-v21 .v21-water-level-install ul {
    margin: 16px 0 0 !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-water-level-principle ol li::before,
  body.ait-v21 .v21-water-level-principle ol li::after,
  body.ait-v21 .v21-water-level-install ol li::before,
  body.ait-v21 .v21-water-level-install ol li::after,
  body.ait-v21 .v21-water-level-install ul li::before,
  body.ait-v21 .v21-water-level-install ul li::after,
  body.ait-v21 .v21-water-level-detail ol li::before,
  body.ait-v21 .v21-water-level-detail ol li::after,
  body.ait-v21 .v21-water-level-detail ul li::before,
  body.ait-v21 .v21-water-level-detail ul li::after {
    content: none !important;
    display: none !important;
  }

  body.ait-v21 .v21-water-level-cutout-plate {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 28px 24px 18px !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  body.ait-v21 .v21-water-level-cutout-plate img {
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
    max-height: 380px !important;
    width: 100%;
    object-fit: contain !important;
  }

  body.ait-v21 .v21-water-level-cutout-plate figcaption {
    background: transparent !important;
    border-top: 0 !important;
    color: #43516a !important;
    padding: 12px 4px 0 !important;
  }

  body.ait-v21 .v21-water-level-cap-grid {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 12px !important;
    margin-top: 16px !important;
  }

  body.ait-v21 .v21-water-level-cap-grid article {
    padding: 14px 14px 12px !important;
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-water-level-cap-grid article h3 {
    margin: 6px 0 6px !important;
    font-size: 16px !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-water-level-cap-grid article p {
    margin: 0 !important;
    font-size: 13px !important;
    line-height: 1.55 !important;
    color: #43516a !important;
  }

  body.ait-v21 .v21-water-level-cap-grid b,
  body.ait-v21 .v21-water-level-principle ol b,
  body.ait-v21 .v21-water-level-detail .eyebrow {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-water-level-diagram-grid,
  body.ait-v21 .v21-water-level-system-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 16px !important;
    margin-top: 20px !important;
  }

  body.ait-v21 .v21-water-level-diagram-grid figure,
  body.ait-v21 .v21-water-level-system-grid figure,
  body.ait-v21 .v21-water-level-dimensions {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 20px 18px 14px !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-water-level-diagram-grid figure img,
  body.ait-v21 .v21-water-level-system-grid figure img,
  body.ait-v21 .v21-water-level-dimensions img {
    background: transparent !important;
    object-fit: contain !important;
    max-height: 300px !important;
    width: 100%;
    padding: 0 !important;
  }

  body.ait-v21 .v21-water-level-detail .v21-enrichment-gallery.four {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 12px !important;
    margin-top: 16px !important;
  }

  body.ait-v21 .v21-water-level-detail .v21-enrichment-gallery.four figure img {
    object-fit: cover !important;
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 168px !important;
  }

  body.ait-v21 .v21-water-level-detail .v21-enrichment-gallery.four figcaption {
    padding: 8px 10px !important;
    font-size: 12px !important;
  }

  body.ait-v21 .v21-water-level-detail .v21-enrichment-gallery figure {
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    overflow: hidden !important;
    background: #fff !important;
  }

  body.ait-v21 .v21-water-level-spec-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 16px !important;
  }

  body.ait-v21 .v21-water-level-spec-grid article {
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
  }

  body.ait-v21 .v21-water-level-spec-grid article h3,
  body.ait-v21 .v21-water-level-spec-grid dt {
    color: #315fae !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-water-level-note,
  body.ait-v21 .v21-water-level-detail .v21-water-level-note {
    background: transparent !important;
    border: 0 !important;
    color: #5a6a82 !important;
    padding: 8px 0 0 !important;
    font-size: 13px !important;
  }

  body.ait-v21 .v21-water-level-faq details {
    border: 1px solid #dce3ed !important;
    border-radius: 8px !important;
    background: #fff !important;
  }

  body.ait-v21 .v21-water-level-cta {
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
  }

  body.ait-v21 .v21-water-level-detail .v21-btn.hot {
    background: #3b6fd8 !important;
    border-color: #3b6fd8 !important;
    color: #fff !important;
  }



  /* ROUND-1b water: kill baked white plate on hero media */
  body.ait-v21 section.v21-producthero.v21-producthero-water-level > img.v21-producthero-media,
  body.ait-v21 section.v21-producthero.v21-producthero-water-level > picture.v21-producthero-media,
  body.ait-v21 section.v21-producthero.v21-producthero-water-level > picture.v21-producthero-media img {
    background: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
    border: 0 !important;
    border-radius: 0 !important;
    padding: 0 !important;
    mix-blend-mode: normal !important;
    filter: none !important;
  }



  /* ROUND-2 water: cutouts, system 4G logger, shrink dims, specs denser, CTA contrast */
  body.ait-v21 .v21-water-level-cutout-plate img,
  body.ait-v21 .v21-water-level-detail figure.v21-water-level-cutout-plate img {
    background: transparent !important;
    background-image: none !important;
    max-height: 240px !important;
    width: auto !important;
    max-width: 78% !important;
    margin: 0 auto !important;
    display: block !important;
    object-fit: contain !important;
    padding: 0 !important;
    border-radius: 0 !important;
    mix-blend-mode: normal !important;
  }

  body.ait-v21 .v21-water-level-diagram-grid figure:first-child img {
    background: transparent !important;
    max-height: 200px !important;
    width: auto !important;
    max-width: 68% !important;
    margin: 0 auto !important;
    display: block !important;
    object-fit: contain !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-water-level-diagram-grid figure:last-child img {
    max-height: 220px !important;
    object-fit: cover !important;
  }

  body.ait-v21 .v21-water-level-dimensions {
    padding: 16px 18px 12px !important;
  }

  body.ait-v21 .v21-water-level-dimensions img {
    max-height: 150px !important;
    width: auto !important;
    max-width: 88% !important;
    margin: 0 auto !important;
    display: block !important;
    background: transparent !important;
    object-fit: contain !important;
  }

  body.ait-v21 .v21-water-level-system-grid figure {
    background: linear-gradient(160deg, #f4f7fb 0%, #e4edf7 100%) !important;
    border: 1px solid #dce3ed !important;
    padding: 16px 16px 0 !important;
  }

  body.ait-v21 .v21-water-level-system-grid figure img {
    max-height: 220px !important;
    width: auto !important;
    max-width: 86% !important;
    margin: 0 auto !important;
    display: block !important;
    background: transparent !important;
    object-fit: contain !important;
  }

  body.ait-v21 .v21-water-level-system-grid figcaption,
  body.ait-v21 .v21-water-level-diagram-grid figcaption,
  body.ait-v21 .v21-water-level-dimensions .v21-water-level-note,
  body.ait-v21 .v21-water-level-dimensions p {
    color: #43516a !important;
    opacity: 1 !important;
  }

  body.ait-v21 .v21-water-level-spec-grid {
    gap: 12px !important;
    margin-top: 16px !important;
  }

  body.ait-v21 .v21-water-level-spec-grid article {
    padding: 14px !important;
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-water-level-spec-grid article h3 {
    margin: 0 0 8px !important;
    font-size: 15px !important;
    color: #172033 !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-water-level-spec-grid dl {
    margin: 0 !important;
    display: block !important;
    grid-template-columns: none !important;
  }

  body.ait-v21 .v21-water-level-spec-grid dl > div {
    display: grid !important;
    grid-template-columns: 108px minmax(0, 1fr) !important;
    gap: 8px !important;
    padding: 6px 0 !important;
    border-bottom: 1px solid #e7edf5 !important;
    font-size: 13px !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-water-level-spec-grid dl > div:last-child {
    border-bottom: 0 !important;
  }

  body.ait-v21 .v21-water-level-spec-grid dt {
    color: #315fae !important;
    background: transparent !important;
    margin: 0 !important;
  }

  body.ait-v21 .v21-water-level-spec-grid dd {
    color: #172033 !important;
    margin: 0 !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-water-level-cta,
  body.ait-v21 .v21-water-level-detail > section.v21-water-level-cta {
    background: #f6f8fb !important;
    background-image: none !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-water-level-cta .eyebrow,
  body.ait-v21 .v21-water-level-cta h2,
  body.ait-v21 .v21-water-level-cta p,
  body.ait-v21 .v21-water-level-cta div,
  body.ait-v21 .v21-water-level-detail > section.v21-water-level-cta .eyebrow,
  body.ait-v21 .v21-water-level-detail > section.v21-water-level-cta h2,
  body.ait-v21 .v21-water-level-detail > section.v21-water-level-cta p {
    color: #172033 !important;
    opacity: 1 !important;
  }

  body.ait-v21 .v21-water-level-cta .eyebrow,
  body.ait-v21 .v21-water-level-detail > section.v21-water-level-cta .eyebrow {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-water-level-cta .v21-btn.ghost,
  body.ait-v21 .v21-water-level-detail .v21-water-level-cta .v21-btn.ghost {
    background: transparent !important;
    border: 1px solid #3b6fd8 !important;
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-water-level-detail figure img {
    background: transparent !important;
  }



  /* ROUND-2c water: kill white plate on hero/cutouts, force cutout sources */
  body.ait-v21 section.v21-producthero.v21-producthero-water-level > img.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-water-level > img.v21-producthero-media,
  body.ait-v21 .v21-producthero-water-level > img.v21-producthero-media {
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    box-shadow: none !important;
    border: 0 !important;
    border-radius: 0 !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-water-level-detail figure.v21-water-level-cutout-plate img,
  body.ait-v21 .v21-water-level-detail .v21-water-level-cutout-plate img,
  body.ait-v21 .v21-water-level-detail .v21-water-level-diagram-grid figure:first-child img,
  body.ait-v21 .v21-water-level-detail .v21-water-level-system-grid figure img {
    background: transparent !important;
    background-color: transparent !important;
  }



  /* ROUND-2d water: CTA body copy darker */
  body.ait-v21 .v21-water-level-cta > div > p:not(.eyebrow),
  body.ait-v21 .v21-water-level-detail > section.v21-water-level-cta > div > p:not(.eyebrow) {
    color: #2a3548 !important;
    opacity: 1 !important;
  }



  /* ROUND-3 water: system 4G+gateway scale, dims padding, scene remap */
  body.ait-v21 .v21-water-level-system-grid figure:first-child img {
    max-height: 210px !important;
    width: auto !important;
    max-width: 72% !important;
    margin: 0 auto !important;
    display: block !important;
    object-fit: contain !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-water-level-system-grid figure:last-child img {
    max-height: 190px !important;
    width: auto !important;
    max-width: 58% !important;
    margin: 0 auto 8px !important;
    display: block !important;
    object-fit: contain !important;
    object-position: center !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-water-level-dimensions {
    padding: 22px 24px 16px !important;
    background: #fff !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
  }

  body.ait-v21 .v21-water-level-dimensions img {
    max-height: 160px !important;
    width: auto !important;
    max-width: 92% !important;
    margin: 0 auto !important;
    display: block !important;
    object-fit: contain !important;
    background: #fff !important;
    padding: 0 !important;
  }



  /* ROUND-3b water: install diagram matches probe position, not 4G kit */
  body.ait-v21 .v21-water-level-install figure.v21-water-level-install-media {
    background: #fff !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
    padding: 20px 18px 14px !important;
  }

  body.ait-v21 .v21-water-level-install figure.v21-water-level-install-media img {
    max-height: 260px !important;
    width: auto !important;
    max-width: 88% !important;
    margin: 0 auto !important;
    display: block !important;
    object-fit: contain !important;
    background: #fff !important;
  }



  /* ROUND-2 dynamic: light capabilities + CTA contrast + case fill */
  body.ait-v21 .v21-dynamic-capabilities,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-capabilities {
    background: #fff !important;
    background-image: none !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-dynamic-capabilities h2,
  body.ait-v21 .v21-dynamic-capabilities h3,
  body.ait-v21 .v21-dynamic-capabilities p,
  body.ait-v21 .v21-dynamic-capabilities .v21-dynamic-heading h2,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-capabilities h2,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-capabilities h3,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-capabilities p {
    color: #172033 !important;
  }

  body.ait-v21 .v21-dynamic-capabilities .eyebrow,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-capabilities .eyebrow {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-dynamic-cap-grid article {
    background: #fff !important;
    border: 1px solid #dce3ed !important;
    color: #172033 !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-dynamic-cap-grid article h3,
  body.ait-v21 .v21-dynamic-cap-grid article p {
    color: #172033 !important;
  }

  body.ait-v21 .v21-dynamic-cap-grid article p {
    color: #43516a !important;
  }

  body.ait-v21 .v21-dynamic-diagram-grid figure,
  body.ait-v21 .v21-dynamic-detail .v21-dynamic-diagram-grid figure {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    border: 0 !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-dynamic-diagram-grid figure img {
    background: transparent !important;
    object-fit: contain !important;
    max-height: 280px !important;
    width: 100% !important;
  }

  body.ait-v21 .v21-dynamic-case-grid,
  body.ait-v21 .v21-dynamic-detail .v21-dynamic-case-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 14px !important;
  }

  body.ait-v21 .v21-dynamic-case-grid figure,
  body.ait-v21 .v21-dynamic-detail .v21-dynamic-case-grid figure {
    display: block !important;
    margin: 0 !important;
    overflow: hidden !important;
    background: #fff !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
  }

  body.ait-v21 .v21-dynamic-case-grid figure img,
  body.ait-v21 .v21-dynamic-detail .v21-dynamic-case-grid figure img,
  body.ait-v21 .v21-dynamic-detail figure.v21-dynamic-case-grid img {
    width: 100% !important;
    max-width: none !important;
    height: auto !important;
    max-height: none !important;
    aspect-ratio: 4 / 3 !important;
    object-fit: cover !important;
    object-position: center !important;
    display: block !important;
    background: #fff !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-dynamic-cta,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-cta {
    background: #f6f8fb !important;
    background-image: none !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-dynamic-cta .eyebrow,
  body.ait-v21 .v21-dynamic-cta h2,
  body.ait-v21 .v21-dynamic-cta p,
  body.ait-v21 .v21-dynamic-cta div,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-cta .eyebrow,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-cta h2,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-cta p {
    color: #172033 !important;
    opacity: 1 !important;
  }

  body.ait-v21 .v21-dynamic-cta .eyebrow,
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-cta .eyebrow {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-dynamic-cta p:not(.eyebrow),
  body.ait-v21 .v21-dynamic-detail > section.v21-dynamic-cta p:not(.eyebrow) {
    color: #43516a !important;
  }

  body.ait-v21 .v21-dynamic-cta .v21-btn.ghost,
  body.ait-v21 .v21-dynamic-detail .v21-dynamic-cta .v21-btn.ghost {
    background: transparent !important;
    border: 1px solid #3b6fd8 !important;
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-dynamic-cta .v21-btn.hot,
  body.ait-v21 .v21-dynamic-detail .v21-dynamic-cta .v21-btn.hot {
    background: #3b6fd8 !important;
    border-color: #3b6fd8 !important;
    color: #fff !important;
  }

  body.ait-v21 .v21-dynamic-install figure img {
    background: transparent !important;
    object-fit: contain !important;
    max-height: 320px !important;
    width: 100% !important;
  }



  /* ROUND-1 enclosure: mirror piezometer/water layout contract (no copy rewrite) */
  body.ait-v21 section.v21-producthero.v21-producthero-enclosure {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    background-color: #eaf0f8 !important;
    background-image: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    box-shadow: none !important;
    color: #172033 !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-enclosure::before,
  body.ait-v21 section.v21-producthero.v21-producthero-enclosure::after {
    content: none !important;
    display: none !important;
  }

  body.ait-v21 .v21-producthero.v21-producthero-enclosure > img.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-enclosure > picture.v21-producthero-media,
  body.ait-v21 .v21-producthero.v21-producthero-enclosure > picture.v21-producthero-media img {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    object-fit: contain !important;
    filter: none !important;
  }

  body.ait-v21 .v21-producthero-enclosure,
  body.ait-v21 .e817-intro,
  body.ait-v21 .e817-views,
  body.ait-v21 .e817-facts,
  body.ait-v21 .e817-system,
  body.ait-v21 .e817-faq,
  body.ait-v21 .e817-cta,
  body.ait-v21 .e817-visual-chain,
  body.ait-v21 .v21-enclosure-views {
    --orange: #3b6fd8 !important;
  }

  body.ait-v21 .e817-nav {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: flex-start !important;
    gap: 8px 18px !important;
    padding: 12px 96px !important;
    border-bottom: 1px solid #e7edf5 !important;
    background: #fff !important;
  }

  body.ait-v21 .e817-nav a {
    padding: 4px 0 !important;
    border-radius: 0 !important;
    color: #315fae !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    background: transparent !important;
  }

  body.ait-v21 .e817-nav a:hover,
  body.ait-v21 .e817-nav a:focus {
    background: transparent !important;
    color: #3b6fd8 !important;
  }

  body.ait-v21 .e817-intro,
  body.ait-v21 .e817-facts,
  body.ait-v21 .e817-system,
  body.ait-v21 .e817-faq,
  body.ait-v21 .e817-cta,
  body.ait-v21 .e817-visual-chain,
  body.ait-v21 .v21-enclosure-views,
  body.ait-v21 .e817-version,
  body.ait-v21 .v21-enclosure-version {
    display: block !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 48px 96px !important;
    background: #fff !important;
    background-image: none !important;
    color: #172033 !important;
    border-bottom: 1px solid #e7edf5 !important;
    gap: 0 !important;
  }

  body.ait-v21 .e817-intro h2,
  body.ait-v21 .e817-heading h2,
  body.ait-v21 .e817-facts h2,
  body.ait-v21 .e817-system h2,
  body.ait-v21 .e817-faq h2,
  body.ait-v21 .e817-cta h2,
  body.ait-v21 .e817-visual-chain h2,
  body.ait-v21 .v21-enclosure-heading h2 {
    margin: 8px 0 12px !important;
    font-size: 28px !important;
    line-height: 1.3 !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-producthero-enclosure h1 {
    font-size: 40px !important;
    line-height: 1.15 !important;
    letter-spacing: -0.02em !important;
    color: #172033 !important;
    margin: 8px 0 10px !important;
  }

  body.ait-v21 .v21-producthero-enclosure > div > h2 {
    font-size: 20px !important;
    font-weight: 600 !important;
    color: #1f3a4d !important;
    margin: 0 0 12px !important;
  }

  body.ait-v21 .e817-intro h2 br,
  body.ait-v21 .e817-heading h2 br {
    display: block !important;
  }

  body.ait-v21 .e817-intro p,
  body.ait-v21 .e817-heading p,
  body.ait-v21 .e817-facts p,
  body.ait-v21 .e817-faq p,
  body.ait-v21 .e817-cta p,
  body.ait-v21 .e817-visual-chain p,
  body.ait-v21 .v21-enclosure-heading p {
    color: #43516a !important;
    font-size: 15px !important;
    line-height: 1.7 !important;
  }

  body.ait-v21 .e817-intro .eyebrow,
  body.ait-v21 .e817-heading .eyebrow,
  body.ait-v21 .e817-facts .eyebrow,
  body.ait-v21 .e817-system .eyebrow,
  body.ait-v21 .e817-faq .eyebrow,
  body.ait-v21 .e817-cta .eyebrow,
  body.ait-v21 .e817-visual-chain .eyebrow,
  body.ait-v21 .v21-enclosure-heading .eyebrow {
    color: #3b6fd8 !important;
    text-transform: none !important;
    letter-spacing: 0.06em !important;
    font-size: 12px !important;
    font-weight: 600 !important;
  }

  body.ait-v21 .e817-intro ol,
  body.ait-v21 .e817-system ol {
    list-style: none !important;
    margin: 16px 0 0 !important;
    padding: 0 !important;
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 12px !important;
    background: transparent !important;
  }

  body.ait-v21 .e817-system ol {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }

  body.ait-v21 .e817-intro li,
  body.ait-v21 .e817-system li {
    display: block !important;
    grid-template-columns: none !important;
    min-height: 0 !important;
    padding: 14px 14px 12px !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    background: #f6f8fb !important;
    box-shadow: none !important;
    align-items: start !important;
  }

  body.ait-v21 .e817-intro li b,
  body.ait-v21 .e817-system li b,
  body.ait-v21 .e817-view-grid figcaption b,
  body.ait-v21 .e817-role-card b {
    color: #3b6fd8 !important;
    display: block !important;
    margin-bottom: 6px !important;
  }

  body.ait-v21 .e817-intro li strong,
  body.ait-v21 .e817-system li strong,
  body.ait-v21 .e817-intro li span,
  body.ait-v21 .e817-system li span {
    color: #172033 !important;
    display: block !important;
  }

  body.ait-v21 .e817-intro li span,
  body.ait-v21 .e817-system li span {
    margin-top: 6px !important;
    color: #43516a !important;
    font-size: 13px !important;
    line-height: 1.55 !important;
  }

  body.ait-v21 .e817-views-legacy,
  body.ait-v21 section.e817-views:not(.v21-enclosure-views) {
    display: none !important;
  }

  body.ait-v21 .v21-enclosure-view-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 14px !important;
    margin-top: 20px !important;
  }

  body.ait-v21 .v21-enclosure-view-grid figure,
  body.ait-v21 .e817-visual-chain figure {
    margin: 0 !important;
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 20px 18px 14px !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  body.ait-v21 .v21-enclosure-view-grid figure img,
  body.ait-v21 .e817-visual-chain figure img {
    display: block !important;
    width: auto !important;
    max-width: 86% !important;
    max-height: 280px !important;
    margin: 0 auto !important;
    object-fit: contain !important;
    background: transparent !important;
    filter: none !important;
  }

  body.ait-v21 .v21-enclosure-view-grid figcaption,
  body.ait-v21 .e817-visual-chain figcaption {
    background: transparent !important;
    border-top: 0 !important;
    text-align: center !important;
    color: #43516a !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    padding: 10px 8px 0 !important;
  }

  body.ait-v21 .e817-facts dl {
    margin: 16px 0 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }

  body.ait-v21 .e817-facts dl div {
    display: grid !important;
    grid-template-columns: 108px minmax(0, 1fr) !important;
    gap: 8px !important;
    padding: 12px 14px !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    background: #f6f8fb !important;
  }

  body.ait-v21 .e817-facts dt {
    color: #315fae !important;
    font-weight: 600 !important;
    font-size: 13px !important;
  }

  body.ait-v21 .e817-facts dd {
    margin: 0 !important;
    color: #172033 !important;
    font-weight: 500 !important;
    font-size: 14px !important;
  }

  body.ait-v21 .e817-visual-copy {
    display: block !important;
    max-width: 760px;
  }

  body.ait-v21 .e817-visual-chain .e817-visual-stage {
    display: grid !important;
    grid-template-columns: minmax(0, 0.7fr) auto minmax(0, 1.2fr) auto minmax(0, 0.7fr) !important;
    gap: 12px !important;
    align-items: center !important;
    margin-top: 20px !important;
  }

  body.ait-v21 .e817-role-card {
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    padding: 14px !important;
    color: #172033 !important;
  }

  body.ait-v21 .e817-visual-stage > i {
    color: #3b6fd8 !important;
    font-style: normal !important;
    font-weight: 700 !important;
  }

  body.ait-v21 .e817-faq details {
    border: 1px solid #dce3ed !important;
    border-radius: 8px !important;
    padding: 14px 16px !important;
    margin-top: 10px !important;
    background: #fff !important;
  }

  body.ait-v21 .e817-faq summary {
    cursor: pointer !important;
    color: #172033 !important;
    font-size: 16px !important;
    font-weight: 650 !important;
  }

  body.ait-v21 .e817-cta {
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-top: 1px solid #dce3ed !important;
    border-radius: 12px !important;
    margin: 24px 96px 48px !important;
    padding: 28px 32px !important;
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 24px !important;
    align-items: center !important;
  }

  body.ait-v21 .e817-cta .eyebrow,
  body.ait-v21 .e817-cta h2,
  body.ait-v21 .e817-cta p {
    color: #172033 !important;
  }

  body.ait-v21 .e817-cta .eyebrow {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .e817-cta p:not(.eyebrow) {
    color: #43516a !important;
  }

  body.ait-v21 .e817-cta .v21-btn.hot,
  body.ait-v21 .v21-producthero-enclosure .v21-btn.hot {
    background: #3b6fd8 !important;
    border-color: #3b6fd8 !important;
    color: #fff !important;
  }

  body.ait-v21 .e817-cta .v21-btn.ghost {
    background: transparent !important;
    border: 1px solid #3b6fd8 !important;
    color: #3b6fd8 !important;
  }

  body.ait-v21 .e817-version,
  body.ait-v21 .v21-enclosure-version {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
    background: transparent !important;
    color: #5a6a82 !important;
  }




  /* ROUND-2 enclosure: product cutouts on gradient plates */
  body.ait-v21 section.v21-producthero.v21-producthero-enclosure > img.v21-producthero-media,
  body.ait-v21 section.v21-producthero.v21-producthero-enclosure > picture.v21-producthero-media,
  body.ait-v21 section.v21-producthero.v21-producthero-enclosure > picture.v21-producthero-media img {
    background: linear-gradient(160deg, #eef3f9 0%, #dce8f5 48%, #c5d6ee 100%) !important;
    background-color: #e3ecf6 !important;
    background-image: linear-gradient(160deg, #eef3f9 0%, #dce8f5 48%, #c5d6ee 100%) !important;
    padding: 28px 24px !important;
    border-radius: 18px !important;
    box-shadow: none !important;
    border: 0 !important;
    object-fit: contain !important;
    mix-blend-mode: normal !important;
    filter: none !important;
  }

  body.ait-v21 .v21-enclosure-view-grid figure,
  body.ait-v21 .e817-visual-chain figure {
    background: linear-gradient(160deg, #eef3f9 0%, #dce8f5 48%, #c5d6ee 100%) !important;
    background-image: linear-gradient(160deg, #eef3f9 0%, #dce8f5 48%, #c5d6ee 100%) !important;
    border: 0 !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-enclosure-view-grid figure img,
  body.ait-v21 .e817-visual-chain figure img,
  body.ait-v21 .e817-product-views figure img {
    background: transparent !important;
    background-image: none !important;
    mix-blend-mode: normal !important;
    filter: none !important;
  }



  /* ROUND-1 converter: mirror enclosure/water layout contract (no copy rewrite) */
  body.ait-v21 section.v21-producthero.v21-producthero-rs485 {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    background-color: #eaf0f8 !important;
    background-image: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    box-shadow: none !important;
    color: #172033 !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-rs485::before,
  body.ait-v21 section.v21-producthero.v21-producthero-rs485::after {
    content: none !important;
    display: none !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-rs485 > img.v21-producthero-media,
  body.ait-v21 section.v21-producthero.v21-producthero-rs485 > picture.v21-producthero-media,
  body.ait-v21 section.v21-producthero.v21-producthero-rs485 > picture.v21-producthero-media img {
    background: linear-gradient(160deg, #eef3f9 0%, #dce8f5 48%, #c5d6ee 100%) !important;
    background-color: #e3ecf6 !important;
    background-image: linear-gradient(160deg, #eef3f9 0%, #dce8f5 48%, #c5d6ee 100%) !important;
    padding: 28px 24px !important;
    border-radius: 18px !important;
    box-shadow: none !important;
    border: 0 !important;
    object-fit: contain !important;
    mix-blend-mode: normal !important;
    filter: none !important;
  }

  body.ait-v21 .v21-producthero-rs485,
  body.ait-v21 .v21-converter-detail,
  body.ait-v21 .v21-converter-detail section,
  body.ait-v21 .v21-converter-detail aside {
    --orange: #3b6fd8 !important;
  }

  body.ait-v21 .v21-converter-nav {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: flex-start !important;
    gap: 8px 18px !important;
    padding: 12px 96px !important;
    border-bottom: 1px solid #e7edf5 !important;
    background: #fff !important;
  }

  body.ait-v21 .v21-converter-nav a {
    padding: 4px 0 !important;
    color: #315fae !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-converter-detail > section,
  body.ait-v21 .v21-converter-detail > aside {
    display: block !important;
    margin: 0 !important;
    padding: 48px 96px !important;
    background: #fff !important;
    color: #172033 !important;
    border-bottom: 1px solid #e7edf5 !important;
  }

  body.ait-v21 .v21-converter-heading h2,
  body.ait-v21 .v21-converter-problem h2,
  body.ait-v21 .v21-converter-chain h2,
  body.ait-v21 .v21-converter-cta h2 {
    margin: 8px 0 12px !important;
    font-size: 28px !important;
    line-height: 1.3 !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-converter-heading .eyebrow,
  body.ait-v21 .v21-converter-problem .eyebrow,
  body.ait-v21 .v21-converter-chain .eyebrow,
  body.ait-v21 .v21-converter-cta .eyebrow {
    color: #3b6fd8 !important;
    text-transform: none !important;
    letter-spacing: 0.06em !important;
    font-size: 12px !important;
    font-weight: 600 !important;
  }

  body.ait-v21 .v21-converter-cap-grid,
  body.ait-v21 .v21-converter-value-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
    margin-top: 16px !important;
  }

  body.ait-v21 .v21-converter-cap-grid article,
  body.ait-v21 .v21-converter-value-grid article,
  body.ait-v21 .v21-converter-spec-grid article {
    padding: 14px 14px 12px !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    background: #f6f8fb !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-converter-cap-grid b,
  body.ait-v21 .v21-converter-value-grid b,
  body.ait-v21 .v21-converter-flow span b {
    color: #3b6fd8 !important;
    display: block !important;
    margin-bottom: 6px !important;
  }

  body.ait-v21 .v21-converter-cap-grid h3,
  body.ait-v21 .v21-converter-value-grid h3,
  body.ait-v21 .v21-converter-spec-grid h3 {
    margin: 0 0 8px !important;
    font-size: 16px !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-converter-cap-grid p,
  body.ait-v21 .v21-converter-value-grid p,
  body.ait-v21 .v21-converter-heading p,
  body.ait-v21 .v21-converter-problem p,
  body.ait-v21 .v21-converter-chain p {
    color: #43516a !important;
    font-size: 14px !important;
    line-height: 1.6 !important;
  }

  body.ait-v21 .v21-converter-problem ul {
    list-style: none !important;
    margin: 16px 0 0 !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-converter-problem li {
    padding: 8px 0 !important;
    border-bottom: 1px solid #e7edf5 !important;
    color: #172033 !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-converter-detail figure {
    margin: 16px 0 0 !important;
    background: linear-gradient(160deg, #eef3f9 0%, #dce8f5 48%, #c5d6ee 100%) !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 20px 18px 14px !important;
    box-shadow: none !important;
  }

  body.ait-v21 .v21-converter-detail figure img {
    display: block !important;
    width: auto !important;
    max-width: 86% !important;
    max-height: 280px !important;
    margin: 0 auto !important;
    object-fit: contain !important;
    background: transparent !important;
  }

  body.ait-v21 .v21-converter-detail figcaption {
    background: transparent !important;
    text-align: center !important;
    color: #43516a !important;
    font-size: 13px !important;
    padding: 10px 8px 0 !important;
  }

  body.ait-v21 .v21-converter-flow {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 12px !important;
    align-items: stretch !important;
    margin-top: 20px !important;
  }

  body.ait-v21 .v21-converter-flow > i {
    display: none !important;
  }

  body.ait-v21 .v21-converter-flow span {
    display: block !important;
    padding: 14px !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    background: #f6f8fb !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-converter-flow small {
    display: block !important;
    margin-top: 6px !important;
    color: #43516a !important;
    font-size: 13px !important;
  }

  body.ait-v21 .v21-converter-map {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.1fr) auto minmax(0, 1fr) !important;
    gap: 12px !important;
    align-items: stretch !important;
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
    padding: 16px !important;
  }

  body.ait-v21 .v21-converter-side,
  body.ait-v21 .v21-converter-core {
    background: #fff !important;
    border: 1px solid #dce3ed !important;
    border-radius: 10px !important;
    padding: 14px !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-converter-map > b {
    color: #3b6fd8 !important;
    align-self: center !important;
  }

  body.ait-v21 .v21-converter-spec-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }

  body.ait-v21 .v21-converter-spec-grid dl {
    margin: 0 !important;
  }

  body.ait-v21 .v21-converter-spec-grid dt {
    color: #315fae !important;
    font-size: 13px !important;
  }

  body.ait-v21 .v21-converter-spec-grid dd {
    margin: 0 0 8px !important;
    color: #172033 !important;
  }

  body.ait-v21 .v21-converter-faq details {
    border: 1px solid #dce3ed !important;
    border-radius: 8px !important;
    padding: 14px 16px !important;
    margin-top: 10px !important;
    background: #fff !important;
  }

  body.ait-v21 .v21-converter-cta {
    background: #f6f8fb !important;
    border: 1px solid #dce3ed !important;
    border-radius: 12px !important;
    margin: 24px 96px 48px !important;
    padding: 28px 32px !important;
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 24px !important;
    align-items: center !important;
  }

  body.ait-v21 .v21-converter-cta .eyebrow {
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-converter-cta h2,
  body.ait-v21 .v21-converter-cta p {
    color: #172033 !important;
  }

  body.ait-v21 .v21-converter-cta p:not(.eyebrow) {
    color: #43516a !important;
  }

  body.ait-v21 .v21-converter-cta .v21-btn.hot,
  body.ait-v21 .v21-producthero-rs485 .v21-btn.hot {
    background: #3b6fd8 !important;
    border-color: #3b6fd8 !important;
    color: #fff !important;
  }

  body.ait-v21 .v21-converter-cta .v21-btn.ghost {
    background: transparent !important;
    border: 1px solid #3b6fd8 !important;
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-converter-version {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
    background: transparent !important;
    color: #5a6a82 !important;
  }

  body.ait-v21 .v21-producthero-rs485 h1 {
    font-size: 40px !important;
    line-height: 1.15 !important;
    color: #172033 !important;
  }

  /* ROUND-2 converter: lift gray/blue wash; black housing on engineering white */
  body.ait-v21 section.v21-producthero.v21-producthero-rs485:not(#ait-v21-legacy-hero) {
    background: #fff !important;
    background-color: #fff !important;
    background-image: none !important;
  }

  body.ait-v21 section.v21-producthero.v21-producthero-rs485 > img.v21-producthero-media,
  body.ait-v21 section.v21-producthero.v21-producthero-rs485 > picture.v21-producthero-media,
  body.ait-v21 section.v21-producthero.v21-producthero-rs485 > picture.v21-producthero-media img {
    background: linear-gradient(165deg, #f8fafc 0%, #f2f5f9 52%, #e8eef6 100%) !important;
    background-color: #f4f7fb !important;
    background-image: linear-gradient(165deg, #f8fafc 0%, #f2f5f9 52%, #e8eef6 100%) !important;
  }

  body.ait-v21 .v21-converter-cap-grid article,
  body.ait-v21 .v21-converter-value-grid article,
  body.ait-v21 .v21-converter-spec-grid article,
  body.ait-v21 .v21-converter-flow span {
    background: #fff !important;
    border: 1px solid #dce3ed !important;
  }

  body.ait-v21 .v21-converter-detail .v21-converter-problem figure,
  body.ait-v21 .v21-converter-detail .v21-converter-visuals figure {
    background: #fff !important;
    background-image: none !important;
    border: 1px solid #e7edf5 !important;
  }

  body.ait-v21 .v21-converter-detail figure.v21-converter-product-fig {
    background: linear-gradient(165deg, #f8fafc 0%, #f2f5f9 52%, #e8eef6 100%) !important;
    background-image: linear-gradient(165deg, #f8fafc 0%, #f2f5f9 52%, #e8eef6 100%) !important;
    border: 0 !important;
  }

  body.ait-v21 .v21-converter-map {
    background: #fff !important;
    border: 1px solid #e7edf5 !important;
  }

  body.ait-v21 .v21-converter-cta {
    background: #eef4ff !important;
    border: 1px solid #dce3ed !important;
  }

  /* ROUND-3 converter: readable wiring map + thicker structure drawing */
  body.ait-v21 .v21-converter-visual-grid {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 20px !important;
  }

  body.ait-v21 .v21-converter-map {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr) !important;
    grid-template-rows: auto !important;
    grid-auto-flow: column !important;
    gap: 10px !important;
    align-items: stretch !important;
    background: #fff !important;
    border: 0 !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-converter-side,
  body.ait-v21 .v21-converter-core {
    min-height: 0 !important;
    padding: 16px 18px !important;
    text-align: left !important;
    display: block !important;
  }

  body.ait-v21 .v21-converter-core {
    background: #eef4ff !important;
    border-color: #c9d7f0 !important;
  }

  body.ait-v21 .v21-converter-map > b {
    align-self: center !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    font-size: 20px !important;
    line-height: 1 !important;
    color: #3b6fd8 !important;
  }

  body.ait-v21 .v21-converter-side span,
  body.ait-v21 .v21-converter-core span {
    display: block !important;
    margin: 0 0 6px !important;
    color: #3b6fd8 !important;
    font-size: 12px !important;
    font-weight: 600 !important;
  }

  body.ait-v21 .v21-converter-side strong,
  body.ait-v21 .v21-converter-core strong {
    display: block !important;
    color: #172033 !important;
    font-size: 17px !important;
    font-weight: 650 !important;
    line-height: 1.35 !important;
  }

  body.ait-v21 .v21-converter-core small {
    display: block !important;
    margin-top: 8px !important;
    color: #172033 !important;
    font-size: 13px !important;
    line-height: 1.55 !important;
    opacity: 1 !important;
  }

  body.ait-v21 .v21-converter-map ul {
    list-style: none !important;
    margin: 12px 0 0 !important;
    padding: 0 !important;
  }

  body.ait-v21 .v21-converter-map li {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 5px 0 !important;
    color: #172033 !important;
    font-size: 14px !important;
    line-height: 1.4 !important;
    background: transparent !important;
    border: 0 !important;
  }

  body.ait-v21 .v21-converter-map i {
    display: inline-block !important;
    width: 8px !important;
    height: 8px !important;
    border-radius: 50% !important;
    flex: 0 0 8px !important;
  }

  body.ait-v21 .v21-converter-map i.blue { background: #3b6fd8 !important; }
  body.ait-v21 .v21-converter-map i.red { background: #c4473a !important; }
  body.ait-v21 .v21-converter-map i.yellow { background: #d6a21e !important; }
  body.ait-v21 .v21-converter-map i.green { background: #2f9a63 !important; }

  body.ait-v21 .v21-converter-detail .v21-converter-visuals figure {
    padding: 12px 12px 8px !important;
  }

  body.ait-v21 .v21-converter-detail .v21-converter-visuals figure img {
    max-width: 720px !important;
    max-height: 520px !important;
    width: auto !important;
    height: auto !important;
    filter: none !important;
  }

  /* ROUND-4 converter: hug content, fill hollow map cards */
  body.ait-v21 .v21-converter-visual-grid {
    align-items: start !important;
  }

  body.ait-v21 .v21-converter-map {
    align-items: start !important;
    align-content: start !important;
    height: auto !important;
    min-height: 0 !important;
  }

  body.ait-v21 .v21-converter-side,
  body.ait-v21 .v21-converter-core {
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    padding: 14px 16px 16px !important;
  }

  body.ait-v21 .v21-converter-map > b {
    align-self: start !important;
    padding-top: 52px !important;
    height: auto !important;
  }

  body.ait-v21 .v21-converter-core-media {
    display: block !important;
    width: auto !important;
    max-width: 100% !important;
    height: 88px !important;
    object-fit: contain !important;
    object-position: center !important;
    margin: 0 0 10px !important;
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    padding: 0 !important;
  }

  /* ROUND-5 converter: restore site type rhythm (16/1.7 body, 32/1.28 H2) */
  body.ait-v21 section.v21-producthero.v21-producthero-rs485:not(#ait-v21-legacy-hero) h1 {
    font-size: 52px !important;
    line-height: 1.18 !important;
    font-weight: 650 !important;
    margin: 16px 0 20px !important;
  }

  body.ait-v21 .v21-producthero-rs485 > div > h2 {
    font-size: 22px !important;
    line-height: 1.4 !important;
    margin: 0 0 14px !important;
    font-weight: 650 !important;
  }

  body.ait-v21 .v21-producthero-rs485 > div > p:not(.eyebrow) {
    font-size: 18px !important;
    line-height: 1.7 !important;
    max-width: 36em !important;
  }

  body.ait-v21 .v21-converter-detail > section,
  body.ait-v21 .v21-converter-detail > aside {
    padding: 56px 96px !important;
  }

  body.ait-v21 .v21-converter-nav {
    padding: 18px 96px !important;
  }

  body.ait-v21 .v21-converter-heading h2,
  body.ait-v21 .v21-converter-problem h2,
  body.ait-v21 .v21-converter-chain h2,
  body.ait-v21 .v21-converter-cta h2 {
    margin: 10px 0 16px !important;
    font-size: 32px !important;
    line-height: 1.28 !important;
  }

  body.ait-v21 .v21-converter-cap-grid,
  body.ait-v21 .v21-converter-value-grid {
    gap: 16px !important;
    margin-top: 24px !important;
  }

  body.ait-v21 .v21-converter-cap-grid article,
  body.ait-v21 .v21-converter-value-grid article,
  body.ait-v21 .v21-converter-spec-grid article {
    padding: 20px !important;
  }

  body.ait-v21 .v21-converter-cap-grid h3,
  body.ait-v21 .v21-converter-value-grid h3,
  body.ait-v21 .v21-converter-spec-grid h3 {
    margin: 0 0 10px !important;
    font-size: 18px !important;
    line-height: 1.45 !important;
  }

  body.ait-v21 .v21-converter-cap-grid p,
  body.ait-v21 .v21-converter-value-grid p,
  body.ait-v21 .v21-converter-heading p,
  body.ait-v21 .v21-converter-problem p,
  body.ait-v21 .v21-converter-chain p,
  body.ait-v21 .v21-converter-cta p:not(.eyebrow) {
    font-size: 16px !important;
    line-height: 1.7 !important;
  }

  body.ait-v21 .v21-converter-problem li {
    padding: 12px 0 !important;
    font-size: 16px !important;
    line-height: 1.7 !important;
  }

  body.ait-v21 .v21-converter-map li {
    padding: 8px 0 !important;
    font-size: 16px !important;
    line-height: 1.7 !important;
  }

  body.ait-v21 .v21-converter-core small,
  body.ait-v21 .v21-converter-flow small {
    font-size: 14px !important;
    line-height: 1.6 !important;
  }

  body.ait-v21 .v21-converter-detail figcaption {
    font-size: 14px !important;
    line-height: 1.6 !important;
    padding: 12px 8px 4px !important;
  }

  body.ait-v21 .v21-converter-faq details {
    padding: 16px 18px !important;
    margin-top: 12px !important;
  }

  body.ait-v21 .v21-converter-faq summary {
    font-size: 16px !important;
    line-height: 1.5 !important;
  }

  body.ait-v21 .v21-converter-flow {
    gap: 16px !important;
    margin-top: 24px !important;
  }

  body.ait-v21 .v21-converter-cta {
    margin: 24px 96px 56px !important;
    padding: 36px 40px !important;
  }

  /* ROUND-6 converter: three map cards same height and same white */
  body.ait-v21 .v21-converter-map {
    align-items: stretch !important;
    align-content: stretch !important;
  }

  body.ait-v21 .v21-converter-side,
  body.ait-v21 .v21-converter-core {
    align-self: stretch !important;
    height: auto !important;
    min-height: 0 !important;
    background: #fff !important;
    border: 1px solid #dce3ed !important;
    padding: 20px !important;
  }

  body.ait-v21 .v21-converter-core {
    background: #fff !important;
    border-color: #dce3ed !important;
  }

  body.ait-v21 .v21-converter-map > b {
    align-self: center !important;
    padding-top: 0 !important;
    height: auto !important;
  }

  /* ROUND-7 converter: gutters use page bg; shrink structure drawing */
  body.ait-v21 .v21-converter-map {
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  body.ait-v21 .v21-converter-map > b {
    background: transparent !important;
    background-color: transparent !important;
  }

  body.ait-v21 .v21-converter-detail .v21-converter-visuals figure img {
    max-width: 420px !important;
    max-height: 280px !important;
    width: auto !important;
    height: auto !important;
    margin: 0 auto !important;
    display: block !important;
  }

  /* ROUND-8 converter: problem line-art cutout on engineering plate */
  body.ait-v21 .v21-converter-detail .v21-converter-problem figure {
    background: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    background-image: linear-gradient(125deg, #f7f9fc 0%, #e9f0f8 48%, #d9e5f4 100%) !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 28px 24px 18px !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  body.ait-v21 .v21-converter-detail .v21-converter-problem figure img {
    background: transparent !important;
    background-image: none !important;
    mix-blend-mode: normal !important;
    filter: none !important;
    object-fit: contain !important;
  }

  body.ait-v21 .v21-converter-detail .v21-converter-problem figcaption {
    background: transparent !important;
    border-top: 0 !important;
    color: #43516a !important;
  }


}