.yx-mss-page,
  .yx-mss-page * {
    box-sizing: border-box;
  }

  .yx-mss-page {
    --yx-ink: #212121;
    --yx-muted: #707070;
    --yx-line: #deddd8;
    --yx-paper: #f3f2ee;
    --yx-soft: #f8f7f4;
    --yx-white: #ffffff;
    --yx-red: #da251d;
    width: 100%;
    overflow: hidden;
    background: var(--yx-white);
    color: var(--yx-ink);
    font-family: "Poppins", Arial, Helvetica, sans-serif;
  }

  .yx-mss-page img {
    display: block;
    max-width: 100%;
  }

  .yx-mss-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
  }

  .yx-mss-section {
    padding: 110px 24px;
  }

  .yx-mss-section-label {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 26px;
  }

  .yx-mss-section-label span {
    color: var(--yx-red);
    font-size: 11px;
    font-weight: 700;
  }

  .yx-mss-section-label p {
    margin: 0;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  .yx-mss-section-title {
    margin: 0;
    font-size: clamp(34px, 3.8vw, 52px);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -1.5px;
  }

  .yx-mss-section-text {
    margin: 25px 0 0;
    color: var(--yx-muted);
    font-size: 14px;
    line-height: 1.8;
  }

  /* ===== HERO ===== */
  .yx-mss-hero {
    min-height: 700px;
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    background: var(--yx-paper);
  }

  .yx-mss-hero-copy {
    padding: 100px clamp(35px, 6vw, 100px);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .yx-mss-eyebrow {
    margin: 0 0 25px;
    color: var(--yx-red);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  .yx-mss-hero h1 {
    margin: 0;
    font-size: clamp(48px, 5vw, 76px);
    font-weight: 600;
    line-height: 0.96;
    letter-spacing: -3px;
  }

  .yx-mss-hero-description {
    max-width: 560px;
    margin: 35px 0 0;
    color: #5e5e5e;
    font-size: 16px;
    line-height: 1.8;
  }

  .yx-mss-hero-meta {
    margin-top: 48px;
    padding-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px 25px;
    border-top: 1px solid #cbc9c2;
  }

  .yx-mss-hero-meta span {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.2px;
  }

  .yx-mss-hero-image {
    min-height: 700px;
    margin: 0;
    padding: 25px;
    background: #d9d7d0;
  }

  .yx-mss-hero-image img {
    width: 100%;
    height: 100%;
    min-height: 650px;
    object-fit: cover;
  }

  /* ===== HIGHLIGHTS ===== */
  .yx-mss-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--yx-line);
  }

  .yx-mss-highlight {
    min-height: 140px;
    padding: 35px clamp(25px, 4vw, 60px);
    display: flex;
    align-items: flex-start;
    gap: 28px;
    border-right: 1px solid var(--yx-line);
  }

  .yx-mss-highlight:last-child {
    border-right: 0;
  }

  .yx-mss-highlight span {
    color: var(--yx-red);
    font-size: 10px;
    font-weight: 700;
  }

  .yx-mss-highlight h2 {
    max-width: 220px;
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.7px;
  }

  /* ===== 01 OVERVIEW ===== */
  .yx-mss-overview-heading {
    margin-bottom: 55px;
  }

  .yx-mss-overview-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    background: var(--yx-paper);
  }

  .yx-mss-overview-image {
    min-height: 620px;
    margin: 0;
    overflow: hidden;
  }

  .yx-mss-overview-image img {
    width: 100%;
    height: 100%;
    min-height: 620px;
    object-fit: cover;
  }

  .yx-mss-overview-copy {
    padding: clamp(45px, 5vw, 75px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 55px;
  }

  .yx-mss-overview-copy > p {
    margin: 0;
    color: #555555;
    font-size: 15px;
    line-height: 1.9;
  }

  .yx-mss-spec-list {
    margin: 0;
    border-top: 1px solid #cbc9c2;
  }

  .yx-mss-spec-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 20px;
    padding: 16px 0;
    border-bottom: 1px solid #cbc9c2;
  }

  .yx-mss-spec-row dt {
    color: var(--yx-muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.4px;
  }

  .yx-mss-spec-row dd {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
  }

  /* ===== 02 STRUCTURAL DESIGN ===== */
  .yx-mss-structural {
    background: #171717;
    color: var(--yx-white);
  }

  .yx-mss-structural-heading {
    margin-bottom: 55px;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 70px;
  }

  .yx-mss-structural-heading .yx-mss-section-text {
    max-width: 620px;
    color: #aaaaaa;
  }

  .yx-mss-drawing-stage {
    min-height: 720px;
    display: grid;
    grid-template-columns: 1fr 270px;
    background: #f4f3ef;
    color: var(--yx-ink);
  }

  .yx-mss-drawing-image {
    min-height: 720px;
    margin: 0;
    padding: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .yx-mss-drawing-image img {
    width: 100%;
    height: 100%;
    max-height: 650px;
    object-fit: contain;
  }

  .yx-mss-drawing-notes {
    display: grid;
    grid-template-rows: repeat(4, 1fr);
    border-left: 1px solid #cdccc6;
  }

  .yx-mss-drawing-notes span {
    padding: 23px;
    display: flex;
    align-items: flex-end;
    border-bottom: 1px solid #cdccc6;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
  }

  .yx-mss-drawing-notes span:last-child {
    border-bottom: 0;
  }

  /* ===== 03 CONFIGURATION ===== */
  .yx-mss-configuration {
    background: var(--yx-paper);
  }

  .yx-mss-configuration-heading {
    margin-bottom: 55px;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 70px;
  }

  .yx-mss-configuration-heading .yx-mss-section-text {
    max-width: 620px;
  }

  .yx-mss-config-showcase {
    display: grid;
    gap: 22px;
  }

  .yx-mss-config-feature {
    overflow: hidden;
    border: 1px solid var(--yx-line);
    background: var(--yx-white);
  }

  .yx-mss-config-wide {
    min-height: 420px;
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
  }

  .yx-mss-config-reverse {
    grid-template-columns: minmax(0, 1fr) 360px;
  }

  .yx-mss-config-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .yx-mss-config-stacked {
    display: flex;
    flex-direction: column;
  }

  .yx-mss-config-copy {
    padding: 42px 38px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .yx-mss-config-stacked .yx-mss-config-copy {
    min-height: 195px;
    justify-content: flex-start;
    border-bottom: 1px solid var(--yx-line);
  }

  .yx-mss-config-index {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--yx-red);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
  }

  .yx-mss-config-index::after {
    content: "";
    width: 35px;
    height: 1px;
    background: var(--yx-red);
  }

  .yx-mss-config-copy h3 {
    margin: 25px 0 0;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: 1px;
  }

  .yx-mss-config-copy p {
    margin: 16px 0 0;
    color: #666666;
    font-size: 13px;
    line-height: 1.75;
  }

  .yx-mss-config-image {
    min-height: 590px;
    margin: 0;
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--yx-soft);
  }

  .yx-mss-config-image img {
    width: 100%;
    height: 100%;
    max-height: 540px;
    object-fit: contain;
  }

  .yx-mss-config-wide .yx-mss-config-image {
    min-height: 420px;
    border-left: 1px solid var(--yx-line);
  }

  .yx-mss-config-wide .yx-mss-config-image img {
    max-height: 375px;
  }

  .yx-mss-config-reverse .yx-mss-config-image {
    border-right: 1px solid var(--yx-line);
    border-left: 0;
  }

  .yx-mss-config-note {
    margin: 22px 0 0;
    color: #777777;
    font-size: 10px;
    letter-spacing: 0.7px;
  }

  /* ===== 04 CONNECTION DETAILS ===== */
  .yx-mss-detail-heading {
    margin-bottom: 55px;
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 30px 70px;
  }

  .yx-mss-detail-heading .yx-mss-section-title {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .yx-mss-detail-heading .yx-mss-section-text {
    max-width: 390px;
    margin-top: 0;
  }

  .yx-mss-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .yx-mss-detail-card {
    overflow: hidden;
    border: 1px solid var(--yx-line);
    background: var(--yx-white);
  }

  .yx-mss-detail-image {
    height: 480px;
    margin: 0;
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--yx-line);
    background: var(--yx-soft);
  }

  .yx-mss-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .yx-mss-detail-copy {
    padding: 24px 27px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 25px;
  }

  .yx-mss-detail-copy h3 {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
  }

  .yx-mss-detail-copy p {
    max-width: 260px;
    margin: 0;
    color: #777777;
    font-size: 12px;
    line-height: 1.6;
    text-align: right;
  }

  /* ===== 05 FABRICATION ===== */
  .yx-mss-fabrication {
    background: #171717;
    color: var(--yx-white);
  }

  .yx-mss-fabrication-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(50px, 7vw, 100px);
  }

  .yx-mss-fabrication-image {
    min-height: 850px;
    margin: 0;
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #3f3f3f;
    background: #292929;
  }

  .yx-mss-fabrication-image img {
    width: 100%;
    height: 100%;
    max-height: 800px;
    object-fit: contain;
  }

  .yx-mss-fabrication-content {
    align-self: center;
  }

  .yx-mss-fabrication-content .yx-mss-section-text {
    color: #aaaaaa;
  }

  .yx-mss-process-list {
    margin-top: 45px;
    border-top: 1px solid #3b3b3b;
  }

  .yx-mss-process-item {
    padding: 22px 0;
    display: grid;
    grid-template-columns: 45px 1fr;
    gap: 20px;
    border-bottom: 1px solid #3b3b3b;
  }

  .yx-mss-process-item > span {
    color: var(--yx-red);
    font-size: 10px;
    font-weight: 700;
  }

  .yx-mss-process-item h3 {
    margin: 0;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
  }

  .yx-mss-process-item p {
    margin: 8px 0 0;
    color: #888888;
    font-size: 12px;
    line-height: 1.6;
  }

  /* ===== CTA ===== */
  .yx-mss-cta {
    min-height: 300px;
    padding: 65px clamp(25px, 7vw, 110px);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 65px;
    background: var(--yx-red);
    color: var(--yx-white);
  }

  .yx-mss-cta span {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.8px;
  }

  .yx-mss-cta h2 {
    margin: 18px 0 0;
    font-size: clamp(36px, 4.2vw, 60px);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -1.5px;
  }

  .yx-mss-cta p {
    max-width: 520px;
    margin: 0;
    font-size: 14px;
    line-height: 1.8;
  }

  /* ===== TABLET ===== */
  @media (max-width: 980px) {
    .yx-mss-hero,
    .yx-mss-overview-grid,
    .yx-mss-structural-heading,
    .yx-mss-configuration-heading,
    .yx-mss-fabrication-grid,
    .yx-mss-cta {
      grid-template-columns: 1fr;
    }

    .yx-mss-hero-image,
    .yx-mss-hero-image img {
      min-height: 540px;
    }

    .yx-mss-highlights {
      grid-template-columns: 1fr;
    }

    .yx-mss-highlight {
      min-height: 100px;
      border-right: 0;
      border-bottom: 1px solid var(--yx-line);
    }

    .yx-mss-drawing-stage {
      grid-template-columns: 1fr;
    }

    .yx-mss-drawing-notes {
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: none;
      border-top: 1px solid #cdccc6;
      border-left: 0;
    }

    .yx-mss-drawing-notes span {
      min-height: 100px;
    }

    .yx-mss-config-wide,
    .yx-mss-config-reverse {
      grid-template-columns: 1fr;
    }

    .yx-mss-config-reverse .yx-mss-config-copy {
      order: 1;
    }

    .yx-mss-config-reverse .yx-mss-config-image {
      order: 2;
    }

    .yx-mss-config-wide .yx-mss-config-image,
    .yx-mss-config-reverse .yx-mss-config-image {
      min-height: 380px;
      border: 0;
      border-top: 1px solid var(--yx-line);
    }

    .yx-mss-config-pair,
    .yx-mss-detail-grid {
      grid-template-columns: 1fr;
    }

    .yx-mss-detail-heading {
      grid-template-columns: 1fr;
    }

    .yx-mss-detail-heading .yx-mss-section-title {
      grid-column: auto;
      grid-row: auto;
    }
  }

  /* ===== MOBILE ===== */
  @media (max-width: 600px) {
    .yx-mss-section {
      padding: 70px 18px;
    }

    .yx-mss-section-title {
      font-size: 27px;
      line-height: 1.12;
      letter-spacing: -0.6px;
    }

    .yx-mss-hero-copy {
      padding: 70px 22px 55px;
    }

    .yx-mss-hero h1 {
      font-size: 44px;
      letter-spacing: -2px;
    }

    .yx-mss-hero-description {
      font-size: 14px;
    }

    .yx-mss-hero-image {
      min-height: 390px;
      padding: 12px;
    }

    .yx-mss-hero-image img {
      min-height: 365px;
    }

    .yx-mss-overview-image,
    .yx-mss-overview-image img {
      min-height: 380px;
    }

    .yx-mss-overview-copy {
      padding: 32px 22px;
    }

    .yx-mss-spec-row {
      grid-template-columns: 105px 1fr;
    }

    .yx-mss-drawing-image {
      min-height: 430px;
      padding: 18px;
    }

    .yx-mss-drawing-notes {
      grid-template-columns: 1fr;
    }

    .yx-mss-drawing-notes span {
      min-height: 70px;
    }

    .yx-mss-config-showcase,
    .yx-mss-config-pair {
      gap: 14px;
    }

    .yx-mss-config-copy,
    .yx-mss-config-stacked .yx-mss-config-copy {
      min-height: 0;
      padding: 28px 22px;
    }

    .yx-mss-config-copy h3 {
      margin-top: 20px;
      font-size: 16px;
    }

    .yx-mss-config-image,
    .yx-mss-config-wide .yx-mss-config-image {
      min-height: 310px;
      padding: 15px 10px;
    }

    .yx-mss-config-image img,
    .yx-mss-config-wide .yx-mss-config-image img {
      max-height: 280px;
    }

    .yx-mss-detail-image {
      height: 310px;
      padding: 14px;
    }

    .yx-mss-detail-copy {
      flex-direction: column;
      gap: 10px;
      padding: 20px;
    }

    .yx-mss-detail-copy p {
      max-width: none;
      text-align: left;
    }

    .yx-mss-fabrication-image {
      min-height: 480px;
    }

    .yx-mss-cta {
      min-height: 0;
      padding: 55px 22px;
      gap: 30px;
    }
  }