.product-matrix-main {
      background: #fff;
      color: var(--text);
    }

    .product-matrix-hero {
      padding-block: clamp(86px, 8vw, 136px) clamp(46px, 5vw, 72px);
      background: #fff;
    }

    .product-matrix-hero h1,
    .product-series h2 {
      margin: 0;
      color: var(--text-heading);
      font-size: clamp(48px, 5vw, 78px);
      line-height: 1.12;
      letter-spacing: 0;
    }

    .product-matrix-hero p {
      max-width: 780px;
      margin: 22px 0 0;
      color: var(--text-muted);
      font-size: clamp(18px, 1.45vw, 22px);
      line-height: 1.75;
    }

    .product-series {
      padding-block: clamp(58px, 7vw, 108px);
      background: #fff;
    }

    .product-series:nth-of-type(even) { background: #f7f8fa; }
    .product-series + .product-series { border-top: 1px solid var(--line); }
    .product-series h2 { margin-bottom: clamp(34px, 4vw, 58px); }

    .matrix-product-card {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
      min-height: 660px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff;
      box-shadow: 0 22px 60px rgba(17,45,95,.08);
      overflow: hidden;
    }

    .matrix-gallery {
      display: grid;
      grid-template-rows: minmax(430px, 1fr) 104px;
      min-width: 0;
      padding: 28px;
      background: #e8ebf0;
    }

    .matrix-gallery-main {
      width: 100%;
      height: 100%;
      object-fit: contain;
      background: linear-gradient(145deg, #f7f8fa, #e8ebf0);
    }

    .matrix-thumbs {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 10px;
    }

    .matrix-thumbs img {
      width: 100%;
      height: 94px;
      object-fit: contain;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
    }

    .matrix-summary {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: clamp(42px, 5vw, 72px);
      min-width: 0;
    }

    .matrix-label {
      margin: 0 0 18px;
      color: var(--brand-cosmic);
      font-size: 15px;
      font-weight: 700;
      letter-spacing: .04em;
    }

    .matrix-summary h3,
    .matrix-system-card h3 {
      margin: 0;
      color: var(--text-heading);
      font-size: clamp(36px, 3.6vw, 56px);
      line-height: 1.12;
    }

    .matrix-summary > p:not(.matrix-label) {
      margin: 16px 0 34px;
      color: var(--text-muted);
      font-size: clamp(20px, 1.8vw, 28px);
      line-height: 1.45;
    }

    .matrix-specs {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      margin-bottom: 34px;
    }

    .matrix-specs span {
      display: grid;
      gap: 8px;
      padding: 18px 16px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #f7f8fa;
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.45;
    }

    .matrix-specs b {
      display: block;
      color: var(--text-heading);
      font-size: clamp(24px, 2.1vw, 34px);
      line-height: 1.08;
      white-space: nowrap;
    }

    .matrix-feature-list,
    .matrix-spec-list {
      display: grid;
      gap: 14px;
      margin: 0 0 34px;
      padding: 0;
      list-style: none;
    }

    .matrix-feature-list li,
    .matrix-spec-list li {
      display: grid;
      gap: 4px;
      padding: 0 0 14px;
      border-bottom: 1px solid var(--line);
      color: var(--text-muted);
      line-height: 1.65;
    }

    .matrix-feature-list strong,
    .matrix-spec-list strong {
      color: var(--text-heading);
      font-size: 18px;
      line-height: 1.35;
    }

    .matrix-summary .actions {
      justify-content: flex-start;
      gap: 18px;
    }

    .matrix-summary .button,
    .matrix-system-card a {
      border-color: var(--brand-ink);
      background: var(--brand-ink);
      color: #fff;
    }

    .matrix-summary .button.secondary {
      border-color: var(--line-strong);
      background: #fff;
      color: var(--brand-ink);
    }

    .matrix-system-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 28px;
    }

    .matrix-system-card {
      display: grid;
      grid-template-rows: 400px 1fr;
      min-height: 680px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff;
      box-shadow: 0 20px 56px rgba(17,45,95,.07);
      overflow: hidden;
    }

    .matrix-system-card img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 34px;
      background: #e8ebf0;
    }

    .matrix-system-card div { padding: clamp(34px, 4vw, 56px); }

    .matrix-system-card p:not(.matrix-label) {
      margin: 18px 0 44px;
      color: var(--text-muted);
      font-size: 18px;
      line-height: 1.7;
    }

    .matrix-system-card a {
      min-height: 48px;
      width: fit-content;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 0 22px;
      border: 1px solid var(--brand-ink);
      border-radius: var(--radius-sm);
      font-weight: 700;
    }

    .product-note-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 18px;
    }

    .product-note-grid article {
      min-height: 150px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
    }

    .product-note-grid h3 {
      margin: 0 0 10px;
      color: var(--text-heading);
      font-size: 20px;
    }

    .product-note-grid p {
      margin: 0;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* Keep the action-capture overview as one desktop viewport without changing its layout. */
    @media (min-width: 1024px) {
      .product-series-input {
        height: clamp(780px, calc(100svh - 122px), 920px);
        padding-block: clamp(24px, 3vh, 34px);
      }

      .product-series-input > .container {
        height: 100%;
        display: grid;
        grid-template-rows: auto minmax(0, 1fr) auto;
        gap: clamp(10px, 1.4vh, 16px);
      }

      .product-series-input h2 {
        margin: 0;
        font-size: clamp(38px, 4.4vh, 48px);
        line-height: 1.05;
      }

      .product-series-input .matrix-product-card {
        height: 100%;
        min-height: 0;
      }

      .product-series-input .matrix-gallery {
        grid-template-rows: minmax(0, 1fr) 76px;
        padding: clamp(16px, 2vh, 22px);
      }

      .product-series-input .matrix-gallery-stage {
        min-width: 0;
        min-height: 0;
        display: grid;
        place-items: center;
        overflow: hidden;
        background: linear-gradient(145deg, #f7f8fa, #e8ebf0);
      }

      .product-series-input .matrix-gallery-stage .matrix-gallery-main {
        width: auto;
        height: auto;
        max-width: 92%;
        max-height: 92%;
        min-width: 0;
        min-height: 0;
        object-fit: contain;
        background: transparent;
      }

      .product-series-input .matrix-thumbs {
        align-items: center;
        gap: 8px;
        margin-top: 8px;
      }

      .product-series-input .matrix-thumbs img {
        height: 58px;
        padding: 6px;
      }

      .product-series-input .matrix-summary {
        min-height: 0;
        justify-content: flex-start;
        padding: clamp(24px, 3vh, 32px) clamp(28px, 2.8vw, 44px);
      }

      .product-series-input .matrix-label {
        margin-bottom: 8px;
        font-size: 12px;
      }

      .product-series-input .matrix-summary h3 {
        font-size: clamp(30px, 2.4vw, 40px);
        line-height: 1.08;
      }

      .product-series-input .matrix-summary > p:not(.matrix-label) {
        margin: 10px 0 18px;
        font-size: clamp(15px, 1.2vw, 17px);
        line-height: 1.48;
      }

      .product-series-input .matrix-specs {
        gap: 10px;
        margin-bottom: 20px;
      }

      .product-series-input .matrix-specs span {
        gap: 5px;
        padding: 12px 10px;
        font-size: 12px;
        line-height: 1.35;
      }

      .product-series-input .matrix-specs b {
        font-size: clamp(19px, 1.55vw, 25px);
      }

      .product-series-input .matrix-feature-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px 18px;
        margin-bottom: 20px;
      }

      .product-series-input .matrix-feature-list li {
        align-content: start;
        gap: 4px;
        padding-bottom: 10px;
        font-size: 13.5px;
        line-height: 1.45;
      }

      .product-series-input .matrix-feature-list strong {
        font-size: 16px;
        line-height: 1.3;
      }

      .product-series-input .matrix-summary .actions {
        gap: 10px;
      }

      .product-series-input .matrix-summary .button {
        min-height: 40px;
        padding-inline: 16px;
        font-size: 13px;
      }

      .product-series-input .product-note-grid {
        gap: 12px;
        margin-top: 0;
      }

      .product-series-input .product-note-grid article {
        min-height: 94px;
        padding: 14px 16px;
      }

      .product-series-input .product-note-grid h3 {
        margin-bottom: 6px;
        font-size: 16px;
      }

      .product-series-input .product-note-grid p {
        font-size: 13px;
        line-height: 1.45;
      }
    }

    @media (min-width: 1024px) {
      .product-series-exo,
      .product-series-systems {
        height: clamp(780px, calc(100svh - 122px), 920px);
        padding-block: clamp(24px, 3vh, 34px);
      }

      .product-series-exo > .container,
      .product-series-systems > .container {
        height: 100%;
        display: grid;
        grid-template-rows: auto minmax(0, 1fr) auto;
        gap: clamp(10px, 1.4vh, 16px);
      }

      .product-series-systems > .container {
        grid-template-rows: auto minmax(0, 1fr);
        align-content: start;
        gap: clamp(28px, 3.4vh, 40px);
      }

      .product-series-exo h2,
      .product-series-systems h2 {
        margin: 0;
        font-size: clamp(38px, 4.4vh, 48px);
        line-height: 1.05;
      }

      .product-series-exo .matrix-product-card {
        height: 100%;
        min-height: 0;
      }

      .product-series-exo .matrix-gallery {
        grid-template-rows: minmax(0, 1fr) 76px;
        padding: clamp(16px, 2vh, 22px);
      }

      .product-series-exo .matrix-gallery-stage {
        min-width: 0;
        min-height: 0;
        display: grid;
        place-items: center;
        overflow: hidden;
        background: linear-gradient(145deg, #f7f8fa, #e8ebf0);
      }

      .product-series-exo .matrix-gallery-stage .matrix-gallery-main {
        width: auto;
        height: auto;
        max-width: 92%;
        max-height: 92%;
        min-width: 0;
        min-height: 0;
        object-fit: contain;
        background: transparent;
      }

      .product-series-exo .matrix-thumbs {
        align-items: center;
        gap: 8px;
        margin-top: 8px;
      }

      .product-series-exo .matrix-thumbs img {
        height: 58px;
        padding: 6px;
      }

      .product-series-exo .matrix-summary {
        min-height: 0;
        justify-content: flex-start;
        padding: clamp(24px, 3vh, 32px) clamp(28px, 2.8vw, 44px);
      }

      .product-series-exo .matrix-label {
        margin-bottom: 8px;
        font-size: 12px;
      }

      .product-series-exo .matrix-summary h3 {
        font-size: clamp(30px, 2.25vw, 38px);
        line-height: 1.08;
      }

      .product-series-exo .matrix-summary > p:not(.matrix-label) {
        margin: 10px 0 18px;
        font-size: clamp(15px, 1.2vw, 17px);
        line-height: 1.48;
      }

      .product-series-exo .matrix-specs {
        gap: 10px;
        margin-bottom: 20px;
      }

      .product-series-exo .matrix-specs span {
        gap: 5px;
        padding: 12px 10px;
        font-size: 12px;
        line-height: 1.35;
      }

      .product-series-exo .matrix-specs b {
        font-size: clamp(18px, 1.45vw, 24px);
      }

      .product-series-exo .matrix-feature-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px 18px;
        margin-bottom: 20px;
      }

      .product-series-exo .matrix-feature-list li {
        align-content: start;
        gap: 4px;
        padding-bottom: 10px;
        font-size: 13.5px;
        line-height: 1.45;
      }

      .product-series-exo .matrix-feature-list strong {
        font-size: 16px;
        line-height: 1.3;
      }

      .product-series-exo .matrix-summary .actions {
        gap: 10px;
      }

      .product-series-exo .matrix-summary .button {
        min-height: 40px;
        padding-inline: 16px;
        font-size: 13px;
      }

      .product-series-exo .product-note-grid {
        gap: 12px;
        margin-top: 0;
      }

      .product-series-exo .product-note-grid article {
        min-height: 94px;
        padding: 14px 16px;
      }

      .product-series-exo .product-note-grid h3 {
        margin-bottom: 6px;
        font-size: 16px;
      }

      .product-series-exo .product-note-grid p {
        font-size: 13px;
        line-height: 1.45;
      }

      .product-series-systems .matrix-system-grid {
        width: 92%;
        height: clamp(560px, 64vh, 650px);
        min-height: 0;
        align-self: start;
        justify-self: center;
        gap: clamp(16px, 2vw, 24px);
      }

      .product-series-systems .matrix-system-card {
        height: 100%;
        min-height: 0;
        grid-template-rows: minmax(0, 58%) minmax(0, 42%);
      }

      .product-series-systems .matrix-system-card img {
        min-height: 0;
        padding: clamp(16px, 2vh, 22px);
      }

      .product-series-systems .matrix-system-card > div {
        min-height: 0;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding: clamp(20px, 2.5vh, 28px) clamp(24px, 2.4vw, 34px);
      }

      .product-series-systems .matrix-label {
        margin-bottom: 8px;
        font-size: 12px;
      }

      .product-series-systems .matrix-system-card h3 {
        font-size: clamp(29px, 2.55vw, 38px);
        line-height: 1.1;
      }

      .product-series-systems .matrix-system-card p:not(.matrix-label) {
        margin: 10px 0 14px;
        font-size: clamp(14px, 1.05vw, 16px);
        line-height: 1.5;
      }

      .product-series-systems .matrix-system-card a {
        min-height: 38px;
        margin-top: 8px;
        padding-inline: 16px;
        font-size: 12px;
      }
    }

    @media (max-width: 1023px) {
      .matrix-product-card,
      .matrix-system-grid { grid-template-columns: 1fr; }
      .matrix-product-card { min-height: 0; }
      .matrix-gallery { grid-template-rows: 360px 96px; }
      .matrix-thumbs img { height: 86px; }
      .matrix-specs { grid-template-columns: 1fr; }
      .matrix-system-card { min-height: 0; grid-template-rows: 320px 1fr; }
      .product-note-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 640px) {
      .matrix-gallery { padding: 16px; grid-template-rows: 280px 84px; }
      .matrix-thumbs img { height: 74px; }
      .matrix-summary { padding: 30px 22px 36px; }
      .matrix-summary .actions { display: grid; }
      .matrix-summary .button { width: 100%; }
    }