*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --navy:   #0A1628;
      --navy2:  #0F1F3D;
      --cyan:   #00C2E0;
      --cyan2:  #00E5FF;
      --amber:  #F59E0B;
      --white:  #F8FAFB;
      --steel:  #8B9DB8;
      --card:   #111E35;
      --border: rgba(0,194,224,0.18);
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--navy);
      color: var(--white);
      font-family: 'Inter', sans-serif;
      font-size: 16px;
      line-height: 1.65;
      overflow-x: hidden;
    }

    /* ── NAV ── */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 48px;
      height: 70px;
      background: rgba(10,22,40,0.9);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
    }
    nav .logo {
      background: #ffffff;
      border-radius: 8px;
      padding: 6px 16px;
      display: flex;
      align-items: center;
      box-shadow: 0 2px 12px rgba(0,0,0,0.25);
    }
    nav .logo img { height: 34px; display: block; }
    nav ul { list-style: none; display: flex; gap: 36px; }
    nav ul li a {
      color: var(--steel);
      text-decoration: none;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      transition: color 0.2s;
    }
    nav ul li a:hover { color: var(--cyan); }
    .nav-cta {
      background: var(--cyan);
      color: var(--navy) !important;
      padding: 9px 22px;
      border-radius: 4px;
      font-weight: 600 !important;
      letter-spacing: 0.04em;
    }
    .nav-cta:hover { background: var(--cyan2) !important; color: var(--navy) !important; }

    /* ── HERO ── */
    .hero {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 1fr 1fr;
      position: relative;
      overflow: hidden;
      padding-top: 70px;
    }
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 60% 80% at 70% 50%, rgba(0,194,224,0.07) 0%, transparent 70%),
        radial-gradient(ellipse 40% 60% at 20% 80%, rgba(245,158,11,0.05) 0%, transparent 60%);
      pointer-events: none;
    }

    /* Circuit SVG decorative lines */
    .circuit-lines {
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: 0.18;
    }

    .hero-left {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 80px 64px 80px 80px;
      position: relative;
      z-index: 2;
    }

    .hero-eyebrow {
      font-family: 'Syne', sans-serif;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 28px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .hero-eyebrow::before {
      content: '';
      display: block;
      width: 32px;
      height: 1px;
      background: var(--cyan);
    }

    .hero h1 {
      font-family: 'Syne', sans-serif;
      font-size: clamp(38px, 5vw, 62px);
      font-weight: 800;
      line-height: 1.08;
      letter-spacing: -0.02em;
      margin-bottom: 28px;
    }
    .hero h1 span {
      color: var(--cyan);
      display: block;
    }

    .hero-sub {
      font-size: 15px;
      color: var(--steel);
      max-width: 440px;
      line-height: 1.75;
      margin-bottom: 44px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      align-items: center;
      flex-wrap: wrap;
    }
    .btn-primary {
      background: var(--cyan);
      color: var(--navy);
      padding: 14px 32px;
      border-radius: 4px;
      font-weight: 600;
      font-size: 14px;
      text-decoration: none;
      letter-spacing: 0.04em;
      transition: background 0.2s, transform 0.15s;
      display: inline-block;
    }
    .btn-primary:hover { background: var(--cyan2); transform: translateY(-1px); }
    .btn-ghost {
      color: var(--white);
      padding: 14px 28px;
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: 4px;
      font-weight: 500;
      font-size: 14px;
      text-decoration: none;
      letter-spacing: 0.03em;
      transition: border-color 0.2s, color 0.2s;
      display: inline-block;
    }
    .btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

    .hero-stats {
      display: flex;
      gap: 44px;
      margin-top: 60px;
      padding-top: 44px;
      border-top: 1px solid var(--border);
    }
    .stat-val {
      font-family: 'Syne', sans-serif;
      font-size: 30px;
      font-weight: 800;
      color: var(--cyan);
      line-height: 1;
    }
    .stat-label {
      font-size: 11px;
      color: var(--steel);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-top: 6px;
    }

    .hero-right {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 80px 40px;
    }
    /* The diagonal split */
    .hero-right::before {
      content: '';
      position: absolute;
      top: 0; left: -60px; right: 0; bottom: 0;
      background: var(--navy2);
      clip-path: polygon(60px 0, 100% 0, 100% 100%, 0 100%);
    }
    .hero-product-img {
      position: relative;
      z-index: 3;
      max-height: 520px;
      max-width: 100%;
      object-fit: contain;
      filter: drop-shadow(0 30px 60px rgba(0,194,224,0.25));
      animation: floatImg 6s ease-in-out infinite;
    }
    @keyframes floatImg {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-14px); }
    }

    /* ── SECTION SHARED ── */
    section { padding: 100px 80px; }
    .section-eyebrow {
      font-family: 'Syne', sans-serif;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 16px;
      display: flex; align-items: center; gap: 12px;
    }
    .section-eyebrow::before {
      content: ''; display: block; width: 24px; height: 1px; background: var(--cyan);
    }
    .section-title {
      font-family: 'Syne', sans-serif;
      font-size: clamp(28px, 3.5vw, 44px);
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }
    .section-sub {
      color: var(--steel);
      font-size: 15px;
      max-width: 560px;
      line-height: 1.75;
    }

    /* ── ABOUT ── */
    #about {
      background: var(--navy);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
    }
    .about-pillars {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 48px;
    }
    .pillar {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 24px;
    }
    .pillar-icon {
      font-size: 22px;
      margin-bottom: 10px;
    }
    .pillar h4 {
      font-family: 'Syne', sans-serif;
      font-size: 14px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 6px;
    }
    .pillar p {
      font-size: 12.5px;
      color: var(--steel);
      line-height: 1.6;
    }
    .about-visual {
      position: relative;
    }
    .about-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 40px;
      position: relative;
      overflow: hidden;
    }
    .about-card::after {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--cyan), var(--amber));
    }
    .about-card-title {
      font-family: 'Syne', sans-serif;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--cyan);
    }
    .about-card p {
      color: var(--steel);
      font-size: 14px;
      line-height: 1.8;
    }

    /* ── PRODUCTS ── */
    #products {
      background: var(--navy2);
    }
    .products-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 60px;
    }
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .product-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      transition: transform 0.25s, border-color 0.25s;
      display: flex;
      flex-direction: column;
    }
    .product-card:hover {
      transform: translateY(-6px);
      border-color: rgba(0,194,224,0.5);
    }
    .product-img-wrap {
      background: #0D1929;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 40px 32px;
      min-height: 260px;
    }
    .product-img-wrap img {
      max-height: 200px;
      max-width: 100%;
      object-fit: contain;
      filter: drop-shadow(0 16px 40px rgba(0,194,224,0.2));
      transition: transform 0.3s;
    }
    .product-card:hover .product-img-wrap img {
      transform: scale(1.05);
    }
    .product-info {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .product-tag {
      display: inline-block;
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--cyan);
      background: rgba(0,194,224,0.1);
      padding: 4px 10px;
      border-radius: 2px;
      margin-bottom: 14px;
    }
    .product-name {
      font-family: 'Syne', sans-serif;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 16px;
      line-height: 1.25;
    }
    .product-specs {
      list-style: none;
      flex: 1;
    }
    .product-specs li {
      display: flex;
      justify-content: space-between;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.05);
      font-size: 13px;
    }
    .spec-key { color: var(--steel); }
    .spec-val { color: var(--white); font-weight: 500; }
    .product-card-footer {
      padding: 20px 28px;
      border-top: 1px solid var(--border);
    }
    .inquiry-btn {
      width: 100%;
      background: transparent;
      border: 1px solid var(--cyan);
      color: var(--cyan);
      padding: 10px;
      border-radius: 4px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.06em;
      cursor: pointer;
      text-transform: uppercase;
      transition: background 0.2s, color 0.2s;
      text-decoration: none;
      display: block;
      text-align: center;
    }
    .inquiry-btn:hover { background: var(--cyan); color: var(--navy); }

    /* ── WHY US ── */
    #why {
      background: var(--navy);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 100px;
      align-items: center;
    }
    .why-list {
      list-style: none;
      margin-top: 40px;
    }
    .why-list li {
      display: flex;
      gap: 20px;
      padding: 22px 0;
      border-bottom: 1px solid var(--border);
    }
    .why-list li:last-child { border-bottom: none; }
    .why-num {
      font-family: 'Syne', sans-serif;
      font-size: 13px;
      font-weight: 700;
      color: var(--cyan);
      opacity: 0.6;
      min-width: 28px;
    }
    .why-text h4 {
      font-family: 'Syne', sans-serif;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .why-text p {
      font-size: 13.5px;
      color: var(--steel);
      line-height: 1.7;
    }
    .why-visual {
      position: relative;
    }
    .why-highlight-box {
      background: linear-gradient(135deg, var(--card) 0%, #0A2040 100%);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 48px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .why-highlight-box::before {
      content: '';
      position: absolute;
      top: -40px; right: -40px;
      width: 160px; height: 160px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0,194,224,0.15) 0%, transparent 70%);
    }
    .why-highlight-box::after {
      content: '';
      position: absolute;
      bottom: -40px; left: -40px;
      width: 120px; height: 120px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(245,158,11,0.12) 0%, transparent 70%);
    }
    .big-num {
      font-family: 'Syne', sans-serif;
      font-size: 80px;
      font-weight: 800;
      color: var(--cyan);
      line-height: 1;
      margin-bottom: 8px;
      letter-spacing: -0.04em;
    }
    .big-label {
      font-size: 14px;
      color: var(--steel);
      text-transform: uppercase;
      letter-spacing: 0.14em;
      margin-bottom: 40px;
    }
    .why-metrics {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 32px;
    }
    .metric-box {
      background: rgba(0,194,224,0.06);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 20px;
    }
    .metric-val {
      font-family: 'Syne', sans-serif;
      font-size: 26px;
      font-weight: 800;
      color: var(--amber);
      margin-bottom: 4px;
    }
    .metric-label {
      font-size: 11px;
      color: var(--steel);
      text-transform: uppercase;
      letter-spacing: 0.1em;
    }

    /* ── CONTACT ── */
    #contact {
      background: var(--navy2);
      text-align: center;
    }
    .contact-card {
      max-width: 760px;
      margin: 60px auto 0;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 56px;
      position: relative;
      overflow: hidden;
    }
    .contact-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--cyan), var(--amber), var(--cyan));
      background-size: 200%;
      animation: gradientSlide 3s linear infinite;
    }
    @keyframes gradientSlide {
      0% { background-position: 0% 0%; }
      100% { background-position: 200% 0%; }
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-bottom: 44px;
      text-align: left;
    }
    .contact-item h4 {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--steel);
      margin-bottom: 8px;
    }
    .contact-item p, .contact-item a {
      font-size: 14px;
      color: var(--white);
      text-decoration: none;
      line-height: 1.6;
    }
    .contact-item a:hover { color: var(--cyan); }

    /* ── FOOTER ── */
    footer {
      background: var(--navy);
      border-top: 1px solid var(--border);
      padding: 32px 80px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    footer .footer-logo {
      background: #ffffff;
      border-radius: 6px;
      padding: 5px 14px;
      display: inline-flex;
      align-items: center;
    }
    footer .footer-logo img { height: 26px; display: block; opacity: 1; }
    footer p {
      font-size: 12px;
      color: var(--steel);
    }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      nav ul { display: none; }
      .products-header { flex-direction: column; align-items: flex-start; gap: 20px; }
      .contact-grid { grid-template-columns: 1fr; }
      footer { flex-direction: column; gap: 12px; text-align: center; padding: 24px; }
      .about-pillars { grid-template-columns: 1fr; }
      .why-metrics { grid-template-columns: 1fr; }
    }
  

    /* ── COMBINED TAB CATALOGUE ── */
    .hero h1 { font-size: clamp(38px, 4.4vw, 60px); }
    .hero h1 .hero-white-line { color: var(--white); }
    .products-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .product-card--tab .product-img-wrap {
      background: linear-gradient(145deg, #071328, #173875);
      min-height: 260px;
      padding: 22px;
    }
    .product-card--tab .product-img-wrap img {
      max-height: 230px;
      border-radius: 6px;
      box-shadow: 0 18px 38px rgba(0,0,0,.38);
    }
    #tab-catalogue {
      background:
        radial-gradient(circle at 15% 15%, rgba(0,194,224,.10), transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(245,158,11,.08), transparent 30%),
        var(--navy);
      overflow: hidden;
    }
    .tab-showcase {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
      gap: 72px;
      align-items: center;
    }
    .tab-copy .section-title { max-width: 760px; }
    .tab-lead {
      color: var(--steel);
      font-size: 16px;
      line-height: 1.8;
      max-width: 720px;
      margin-bottom: 28px;
    }
    .tab-spec-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin: 30px 0 34px;
    }
    .tab-spec {
      background: rgba(17,30,53,.82);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 17px 15px;
      min-height: 94px;
    }
    .tab-spec strong {
      display: block;
      font-family: 'Syne', sans-serif;
      color: var(--white);
      font-size: 19px;
      line-height: 1.15;
      margin-bottom: 6px;
    }
    .tab-spec span {
      color: var(--steel);
      font-size: 10px;
      letter-spacing: .11em;
      text-transform: uppercase;
    }
    .tab-actions { display: flex; gap: 14px; flex-wrap: wrap; }
    .tab-cover-wrap {
      position: relative;
      display: flex;
      justify-content: center;
      min-height: 570px;
      align-items: center;
    }
    .tab-cover-glow {
      position: absolute;
      width: 78%;
      height: 78%;
      border-radius: 50%;
      background: rgba(0,194,224,.16);
      filter: blur(70px);
    }
    .tab-cover {
      position: relative;
      width: min(420px, 92%);
      border-radius: 12px;
      box-shadow: 0 34px 90px rgba(0,0,0,.48), 0 0 0 1px rgba(255,255,255,.08);
      transform: rotate(2deg);
      transition: transform .3s ease;
    }
    .tab-cover:hover { transform: rotate(0) translateY(-6px); }
    .suite-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
      margin-top: 54px;
    }
    .suite-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 26px;
    }
    .suite-card .suite-num {
      display: inline-flex;
      width: 34px;
      height: 34px;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      background: rgba(0,194,224,.12);
      color: var(--cyan);
      font-weight: 700;
      margin-bottom: 18px;
    }
    .suite-card h3 {
      font-family: 'Syne', sans-serif;
      font-size: 16px;
      margin-bottom: 10px;
    }
    .suite-card p { color: var(--steel); font-size: 13px; line-height: 1.7; }
    .catalogue-browser {
      margin-top: 76px;
      background: var(--navy2);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 28px 80px rgba(0,0,0,.30);
    }
    .catalogue-toolbar {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 16px 22px;
      border-bottom: 1px solid var(--border);
      background: rgba(10,22,40,.72);
    }
    .catalogue-title {
      font-family: 'Syne', sans-serif;
      font-weight: 700;
      font-size: 15px;
    }
    .catalogue-counter { color: var(--steel); font-size: 12px; margin-top: 2px; }
    .catalogue-controls { display: flex; gap: 9px; align-items: center; }
    .catalogue-control {
      border: 1px solid rgba(255,255,255,.16);
      background: transparent;
      color: var(--white);
      min-width: 42px;
      height: 40px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 17px;
      transition: border-color .2s, color .2s, background .2s;
    }
    .catalogue-control:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,194,224,.06); }
    .catalogue-stage {
      min-height: 720px;
      padding: 36px;
      display: flex;
      justify-content: center;
      align-items: flex-start;
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
        #071326;
      background-size: 28px 28px;
    }
    .catalogue-stage button {
      background: none;
      border: 0;
      cursor: zoom-in;
      display: block;
      width: min(100%, 760px);
    }
    .catalogue-stage img {
      display: block;
      width: 100%;
      height: auto;
      border-radius: 6px;
      box-shadow: 0 18px 50px rgba(0,0,0,.48);
      background: white;
    }
    .catalogue-thumbs {
      display: grid;
      grid-template-columns: repeat(6, minmax(0, 1fr));
      gap: 12px;
      padding: 20px;
      border-top: 1px solid var(--border);
      background: rgba(10,22,40,.52);
    }
    .catalogue-thumb {
      background: transparent;
      border: 1px solid rgba(255,255,255,.10);
      border-radius: 7px;
      padding: 7px;
      cursor: pointer;
      color: var(--steel);
      text-align: left;
      transition: border-color .2s, background .2s, transform .2s;
    }
    .catalogue-thumb:hover { border-color: rgba(0,194,224,.55); transform: translateY(-2px); }
    .catalogue-thumb.is-active { border-color: var(--cyan); background: rgba(0,194,224,.08); }
    .catalogue-thumb img {
      width: 100%;
      aspect-ratio: 3 / 4.24;
      object-fit: cover;
      object-position: top;
      display: block;
      border-radius: 3px;
      background: white;
    }
    .catalogue-thumb span {
      display: block;
      font-size: 10px;
      line-height: 1.35;
      padding: 7px 2px 1px;
      min-height: 36px;
    }
    dialog.catalogue-dialog {
      width: min(96vw, 1080px);
      max-height: 94vh;
      background: #061020;
      color: white;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 52px 18px 18px;
      overflow: auto;
    }
    dialog.catalogue-dialog::backdrop { background: rgba(0,0,0,.82); backdrop-filter: blur(6px); }
    .dialog-close {
      position: fixed;
      top: 18px;
      right: 24px;
      z-index: 2;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,.22);
      background: #0f1f3d;
      color: white;
      font-size: 22px;
      cursor: pointer;
    }
    .dialog-image { width: 100%; height: auto; display: block; border-radius: 5px; background: white; }
    .contact-item--full { grid-column: 1 / -1; }
    .contact-card .contact-item a { overflow-wrap: anywhere; }

    @media (max-width: 1200px) {
      #products .products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .tab-spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .suite-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .catalogue-thumbs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    }
    @media (max-width: 900px) {
      #tab-catalogue nav { padding: 0 14px; gap: 12px; }
      #tab-catalogue nav .logo { padding: 5px 10px; }
      #tab-catalogue nav .logo img { height: 28px; }
      .tab-showcase { grid-template-columns: 1fr; gap: 30px; }
      .tab-cover-wrap { min-height: 460px; }
      .catalogue-stage { display: none; min-height: auto; padding: 18px; }
      .catalogue-thumbs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    }
    @media (max-width: 640px) {
      #products .products-grid, .suite-grid, .tab-spec-grid { grid-template-columns: 1fr; }
      .catalogue-toolbar { align-items: flex-start; }
      .catalogue-title { max-width: 220px; }
      .catalogue-thumbs { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 12px; }
      .catalogue-stage { padding: 12px; }
      .tab-cover-wrap { min-height: 390px; }
    }



/* ══════════════════════════════════════════════════
   全面自适应样式 — Comprehensive Responsive Styles
   断点: 1200px / 900px / 768px / 640px / 480px
   ══════════════════════════════════════════════════ */

/* ── 汉堡菜单按钮 (移动端) ── */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 200;
  padding: 0;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: transform .3s, opacity .3s;
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }
.hamburger.is-open span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* 移动端导航菜单面板 */
@media (max-width: 900px) {
  .hamburger { display: block; }
  nav ul#navMenu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 150;
    padding: 40px 24px;
  }
  nav ul#navMenu.is-open {
    display: flex !important;
  }
  nav ul#navMenu li a {
    font-size: 16px !important;
    padding: 12px 24px !important;
    white-space: normal !important;
  }
  nav ul#navMenu .nav-cta {
    padding: 14px 32px !important;
    font-size: 15px !important;
  }
}

/* ── ≤1200px: 平板横屏 ── */
@media (max-width: 1200px) {
  section { padding: 80px 48px; }
  .hero-left { padding: 60px 48px 60px 60px; }
  .hero-right { padding: 60px 32px; }
  #about { gap: 48px; }
  #why { gap: 60px; }
  .why-highlight-box { padding: 36px; }
  .contact-card { padding: 40px; }
  .tab-showcase { gap: 48px; }
}

/* ── ≤900px: 平板竖屏/大手机 ── */
@media (max-width: 900px) {
  /* 导航 */
  nav { padding: 0 20px; height: 60px; }
  nav .logo img { height: 28px; }
  nav .logo { padding: 5px 12px; }

  /* Hero 区域堆叠 */
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 60px;
  }
  .hero-left {
    padding: 48px 24px 36px;
    text-align: center;
    align-items: center;
  }
  .hero-left .hero-sub { max-width: 100%; }
  .hero-left .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; gap: 28px; }
  .hero-right {
    padding: 24px 24px 60px;
    min-height: 360px;
  }
  .hero-right::before { clip-path: none; left: 0; }

  /* 通用 section */
  section { padding: 64px 24px; }
  .section-title { margin-bottom: 16px; }

  /* About 堆叠 */
  #about {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 64px 24px;
  }
  .about-pillars { grid-template-columns: 1fr; gap: 16px; }

  /* Products */
  #products { padding: 64px 24px; }
  .products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .products-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 40px;
  }

  /* Why Us 堆叠 */
  #why {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 64px 24px;
  }
  .why-highlight-box { padding: 32px; }
  .why-metrics { grid-template-columns: 1fr 1fr; gap: 16px; }

  /* Tab Showcase 堆叠 */
  .tab-showcase { grid-template-columns: 1fr; gap: 32px; }
  .tab-cover-wrap { min-height: 400px; }
  .tab-spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .suite-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* Contact */
  .contact-card { padding: 28px 20px; }
  .contact-grid { grid-template-columns: 1fr; gap: 20px; }

  /* Footer */
  footer {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    padding: 24px 20px;
  }

  /* Catalogue */
  .catalogue-stage { display: none; }
  .catalogue-browser { display: block; }
  .catalogue-thumbs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}

/* ── ≤768px: 中等手机 ── */
@media (max-width: 768px) {
  .hero h1 { font-size: clamp(30px, 7vw, 42px); }
  .hero-sub { font-size: 14px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-val { font-size: 24px; }
  .stat-label { font-size: 10px; }

  .section-title { font-size: clamp(24px, 5vw, 36px); }

  .big-num { font-size: 56px; }
  .why-highlight-box { padding: 28px; }
  .why-list li { padding: 16px 0; gap: 14px; }
  .why-text h4 { font-size: 14px; }
  .why-text p { font-size: 13px; }

  .tab-spec-grid { gap: 10px; }
  .tab-spec { padding: 14px 12px; min-height: auto; }
  .tab-spec strong { font-size: 16px; }
  .tab-cover-wrap { min-height: 340px; }

  .suite-card { padding: 20px; }
  .suite-grid { gap: 12px; }

  .product-img-wrap { min-height: 200px; padding: 28px 20px; }
  .product-info { padding: 20px; }
  .product-name { font-size: 16px; }

  .contact-card { padding: 24px 16px; margin-top: 40px; }

  .catalogue-thumbs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 12px; }
}

/* ── ≤480px: 小手机 ── */
@media (max-width: 480px) {
  nav { height: 56px; padding: 0 16px; }
  nav .logo img { height: 24px; }
  nav .logo { padding: 4px 10px; }

  .hero-left { padding: 40px 16px 28px; }
  .hero-right { padding: 16px 16px 48px; min-height: 280px; }
  .hero h1 { font-size: clamp(26px, 8vw, 36px); }
  .hero-eyebrow { font-size: 10px; }
  .hero-stats { gap: 16px; }
  .stat-val { font-size: 20px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost { width: 100%; text-align: center; }

  section { padding: 48px 16px; }
  .section-title { font-size: clamp(22px, 6vw, 30px); }
  .section-sub { font-size: 14px; }

  #about, #why { padding: 48px 16px; }
  #about { gap: 32px; }
  #why { gap: 32px; }

  .about-pillars { grid-template-columns: 1fr; gap: 12px; }
  .pillar { padding: 18px; }
  .about-card { padding: 24px; }

  .products-grid { grid-template-columns: 1fr !important; }
  .tab-spec-grid { grid-template-columns: 1fr !important; }
  .suite-grid { grid-template-columns: 1fr !important; }
  .catalogue-thumbs { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }

  .big-num { font-size: 44px; }
  .big-label { font-size: 12px; margin-bottom: 24px; }
  .why-highlight-box { padding: 24px 16px; }
  .why-metrics { grid-template-columns: 1fr; }
  .metric-val { font-size: 22px; }

  .tab-cover-wrap { min-height: 280px; }
  .tab-spec { padding: 12px 10px; }

  .contact-grid { gap: 16px; }
  .contact-item h4 { font-size: 10px; }
  .contact-item p, .contact-item a { font-size: 13px; }

  dialog.catalogue-dialog {
    padding: 40px 12px 12px;
    width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }
}

/* ── 超宽屏优化 (≥1600px) ── */
@media (min-width: 1600px) {
  section { padding: 120px 120px; }
  .hero-left { padding: 100px 80px 100px 120px; }
  #about { gap: 100px; }
  #why { gap: 120px; }
}



/* ── FLAGSHIP TAB EMPHASIS ── */
.hero-right .hero-product-img {
  max-height: 610px;
  width: auto;
  border-radius: 14px;
  filter: drop-shadow(0 34px 70px rgba(0,194,224,0.30));
}
.flagship-card {
  grid-column: span 2;
  border-color: rgba(0,194,224,0.62);
  box-shadow: 0 18px 48px rgba(0,194,224,0.10);
  position: relative;
}
.flagship-card .product-img-wrap {
  min-height: 360px;
  background: radial-gradient(circle at 50% 45%, rgba(0,194,224,0.12), #0D1929 68%);
}
.flagship-card .product-img-wrap img { max-height: 310px; }
.flagship-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 4;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--cyan);
  color: var(--navy);
  font-family: 'Syne', sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.flagship-note {
  margin-top: 18px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
@media (max-width: 900px) {
  .flagship-card { grid-column: auto; }
  .flagship-card .product-img-wrap { min-height: 280px; }
  .hero-right .hero-product-img { max-height: 500px; }
}



/* ── Catalogue usability fix: persistent side-by-side preview ── */
.catalogue-layout-note {
  color: var(--cyan);
  font-size: 11px;
  margin-top: 5px;
  letter-spacing: .02em;
}
@media (min-width: 901px) {
  .catalogue-browser {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 330px);
    grid-template-rows: auto minmax(620px, 78vh);
  }
  .catalogue-toolbar {
    grid-column: 1 / -1;
    grid-row: 1;
  }
  .catalogue-stage {
    grid-column: 1;
    grid-row: 2;
    min-height: 620px;
    height: min(78vh, 820px);
    padding: 24px;
    align-items: center;
    overflow: hidden;
  }
  .catalogue-stage button {
    width: 100%;
    height: 100%;
    max-width: none;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .catalogue-stage img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
  }
  .catalogue-thumbs {
    grid-column: 2;
    grid-row: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    min-height: 620px;
    height: min(78vh, 820px);
    overflow-y: auto;
    overscroll-behavior: contain;
    border-top: 0;
    border-left: 1px solid var(--border);
    padding: 16px;
    scrollbar-width: thin;
    scrollbar-color: rgba(0,194,224,.55) rgba(255,255,255,.04);
  }
  .catalogue-thumbs::-webkit-scrollbar { width: 8px; }
  .catalogue-thumbs::-webkit-scrollbar-track { background: rgba(255,255,255,.04); }
  .catalogue-thumbs::-webkit-scrollbar-thumb {
    background: rgba(0,194,224,.55);
    border-radius: 8px;
  }
  .catalogue-thumb span { min-height: 42px; }
}
@media (max-width: 900px) {
  .catalogue-browser { display: block; }
  .catalogue-stage { display: none; }
  .catalogue-thumbs {
    border-top: 1px solid var(--border);
    border-left: 0;
  }
  .catalogue-layout-note::after { content: ' Tap any page to open it full-screen.'; }
}


/* ══════════════════════════════════════════════════
   Multi-page website additions
   ══════════════════════════════════════════════════ */
nav ul li a.is-active {
  color: var(--cyan);
}
nav ul li a.nav-cta.is-active {
  background: var(--cyan2);
  color: var(--navy) !important;
}
body.inner-page main {
  min-height: calc(100vh - 150px);
}
body.inner-page main > section:first-child {
  padding-top: 150px;
  min-height: calc(100vh - 70px);
}
body.page-flagship main > #tab-catalogue {
  padding-top: 130px;
}
body.page-contact main > #contact {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.home-jump-note {
  position: absolute;
  right: 22px;
  bottom: 18px;
  z-index: 5;
  color: var(--steel);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
@media (max-width: 900px) {
  body.inner-page main > section:first-child,
  body.page-flagship main > #tab-catalogue {
    padding-top: 100px;
    min-height: auto;
  }
}
@media (max-width: 480px) {
  body.inner-page main > section:first-child,
  body.page-flagship main > #tab-catalogue {
    padding-top: 84px;
  }
}

/* ══════════════════════════════════════════════════
   Flagship TAB — rich HTML product presentation
   ══════════════════════════════════════════════════ */
.page-flagship main > section { padding-left: clamp(24px, 6vw, 96px); padding-right: clamp(24px, 6vw, 96px); }
.page-flagship .tab-product-hero {
  min-height: 100vh;
  padding-top: 130px;
  display: grid;
  grid-template-columns: minmax(420px,.85fr) minmax(520px,1.15fr);
  gap: 54px;
  align-items: center;
  background: radial-gradient(circle at 75% 42%, rgba(0,194,224,.13), transparent 34%), var(--navy);
  overflow: hidden;
}
.product-hero-copy h1 { font-family:'Syne',sans-serif; font-size:clamp(42px,5vw,72px); line-height:1.04; letter-spacing:-.035em; margin:0 0 26px; }
.product-hero-copy h1 span { color:var(--cyan); }
.product-hero-copy > p { color:var(--steel); max-width:650px; font-size:16px; line-height:1.8; }
.product-hero-badges { display:flex; flex-wrap:wrap; gap:10px; margin:30px 0 34px; }
.product-hero-badges span { border:1px solid var(--border); background:rgba(0,194,224,.07); color:var(--white); border-radius:999px; padding:8px 13px; font-size:11px; letter-spacing:.08em; text-transform:uppercase; }
.product-photo-stage { position:relative; min-width:0; }
.product-photo-stage img { position:relative; z-index:2; width:100%; display:block; border-radius:18px; box-shadow:0 38px 90px rgba(0,0,0,.48); }
.product-photo-glow { position:absolute; inset:12% 8%; background:rgba(0,194,224,.22); filter:blur(80px); border-radius:50%; }
.product-overview-section,.software-suite-section,.full-spec-section { background:var(--navy2); }
.product-section-heading { display:flex; justify-content:space-between; align-items:flex-end; gap:50px; margin-bottom:54px; }
.product-section-heading > div { max-width:760px; }
.centered-heading { text-align:center; align-items:center; flex-direction:column; gap:8px; }
.centered-heading .section-eyebrow { justify-content:center; }
.centered-heading .section-sub { max-width:760px; }
.spec-feature-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.spec-feature-grid article { padding:26px 22px; border:1px solid var(--border); border-radius:12px; background:linear-gradient(145deg,rgba(17,30,53,.98),rgba(10,32,64,.78)); min-height:165px; }
.spec-icon { display:flex; width:46px; height:46px; align-items:center; justify-content:center; border-radius:10px; background:rgba(0,194,224,.12); color:var(--cyan); font-family:'Syne',sans-serif; font-size:12px; font-weight:800; margin-bottom:24px; }
.spec-feature-grid strong,.spec-feature-grid small { display:block; }
.spec-feature-grid strong { font-family:'Syne',sans-serif; font-size:20px; margin-bottom:7px; }
.spec-feature-grid small { color:var(--steel); font-size:12px; }
.product-split-section,.accessory-showcase-section { display:grid; grid-template-columns:minmax(330px,.8fr) minmax(430px,1.2fr); gap:80px; align-items:center; }
.product-dark-panel { background:radial-gradient(circle at 15% 50%,rgba(0,194,224,.10),transparent 35%),var(--navy); }
.product-visual-card,.accessory-image-card { background:#fff; border-radius:18px; padding:16px; box-shadow:0 30px 80px rgba(0,0,0,.4); overflow:hidden; }
.product-visual-card img,.accessory-image-card img { display:block; width:100%; border-radius:10px; }
.product-detail-copy > p,.accessory-copy > p { color:var(--steel); font-size:15px; line-height:1.8; }
.feature-check-list { list-style:none; margin-top:34px; display:grid; gap:10px; }
.feature-check-list li { position:relative; padding:19px 20px 19px 52px; border:1px solid var(--border); border-radius:9px; background:rgba(17,30,53,.72); }
.feature-check-list li::before { content:'✓'; position:absolute; left:20px; top:19px; color:var(--cyan); font-weight:800; }
.feature-check-list strong,.feature-check-list span { display:block; }
.feature-check-list strong { font-size:14px; margin-bottom:4px; }
.feature-check-list span { color:var(--steel); font-size:12.5px; line-height:1.55; }
.software-card-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; }
.software-card-grid article { position:relative; background:var(--card); border:1px solid var(--border); border-radius:13px; padding:30px; overflow:hidden; min-height:225px; }
.software-card-grid article::after { content:''; position:absolute; width:110px; height:110px; border-radius:50%; right:-45px; bottom:-50px; background:rgba(0,194,224,.07); }
.software-number { color:var(--cyan); font-family:'Syne',sans-serif; font-size:12px; font-weight:800; letter-spacing:.14em; margin-bottom:32px; }
.software-card-grid h3 { font-family:'Syne',sans-serif; font-size:18px; margin-bottom:12px; }
.software-card-grid p { color:var(--steel); font-size:13px; line-height:1.7; }
.accessory-showcase-section { grid-template-columns:minmax(430px,1fr) minmax(360px,.8fr); background:var(--navy); }
.accessory-points { display:grid; gap:12px; margin-top:32px; }
.accessory-points div { border-left:2px solid var(--cyan); padding:7px 0 7px 18px; }
.accessory-points strong,.accessory-points span { display:block; }
.accessory-points strong { font-size:14px; margin-bottom:5px; }
.accessory-points span { color:var(--steel); font-size:12.5px; }
.power-connect-section { background:linear-gradient(135deg,#08172c,#102b51); }
.power-main-card { display:flex; justify-content:space-between; align-items:center; gap:30px; border:1px solid var(--border); background:rgba(17,30,53,.75); border-radius:18px; padding:42px; }
.power-main-card > div:first-child { max-width:720px; }
.power-main-card p { color:var(--steel); }
.power-number { font-family:'Syne',sans-serif; font-size:clamp(54px,8vw,110px); font-weight:800; color:var(--cyan); letter-spacing:-.07em; white-space:nowrap; }
.power-number span { font-size:18px; letter-spacing:.02em; margin-left:8px; }
.mini-capability-grid { display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:12px; margin-top:18px; }
.mini-capability-grid article { border:1px solid var(--border); background:rgba(17,30,53,.72); border-radius:10px; padding:22px 16px; }
.mini-capability-grid strong,.mini-capability-grid span { display:block; }
.mini-capability-grid strong { font-family:'Syne',sans-serif; color:var(--amber); font-size:17px; margin-bottom:8px; }
.mini-capability-grid span { color:var(--steel); font-size:11px; text-transform:uppercase; letter-spacing:.07em; }
.spec-table-wrap { overflow-x:auto; border:1px solid var(--border); border-radius:14px; }
.product-spec-table { width:100%; border-collapse:collapse; min-width:850px; background:var(--card); }
.product-spec-table th,.product-spec-table td { padding:18px 20px; text-align:left; border-bottom:1px solid rgba(255,255,255,.07); vertical-align:top; }
.product-spec-table th { width:16%; color:var(--cyan); font-size:11px; text-transform:uppercase; letter-spacing:.08em; background:rgba(0,194,224,.035); }
.product-spec-table td { width:34%; color:var(--white); font-size:13px; }
.product-spec-table tr:last-child th,.product-spec-table tr:last-child td { border-bottom:0; }
.deployment-section { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; background:var(--navy); }
.deployment-card { padding:34px; border:1px solid var(--border); border-radius:12px; background:linear-gradient(145deg,var(--card),#0c2343); }
.deployment-card > span { display:inline-flex; width:38px; height:38px; align-items:center; justify-content:center; background:rgba(0,194,224,.11); color:var(--cyan); border-radius:8px; font-weight:700; margin-bottom:25px; }
.deployment-card h3 { font-family:'Syne',sans-serif; margin-bottom:11px; }
.deployment-card p { color:var(--steel); font-size:13px; line-height:1.7; }
.product-final-cta { display:flex; justify-content:space-between; align-items:center; gap:50px; background:radial-gradient(circle at 80% 50%,rgba(0,194,224,.16),transparent 30%),var(--navy2); }
.product-final-cta > div:first-child { max-width:720px; }
.product-final-cta p { color:var(--steel); }
@media(max-width:1100px){
  .page-flagship .tab-product-hero { grid-template-columns:1fr; }
  .product-photo-stage { max-width:1000px; }
  .spec-feature-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .mini-capability-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media(max-width:900px){
  .page-flagship .tab-product-hero { padding-top:105px; gap:38px; }
  .product-section-heading,.product-final-cta { align-items:flex-start; flex-direction:column; gap:18px; }
  .product-split-section,.accessory-showcase-section { grid-template-columns:1fr; gap:42px; }
  .product-visual-card { max-width:620px; margin:auto; }
  .software-card-grid,.deployment-section { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .power-main-card { align-items:flex-start; flex-direction:column; }
}
@media(max-width:640px){
  .product-hero-copy h1 { font-size:clamp(34px,11vw,48px); }
  .spec-feature-grid,.software-card-grid,.deployment-section { grid-template-columns:1fr; }
  .mini-capability-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .product-photo-stage img { border-radius:10px; }
  .power-main-card { padding:26px 20px; }
  .power-number { font-size:56px; }
}

/* ══════════════════════════════════════════════════
   Corporate office & production photography
   ══════════════════════════════════════════════════ */
.page-about main > section:first-child,
.page-why main > section:first-child { padding-top: 70px; }
.about-photo-hero { position:relative; min-height:clamp(560px,72vw,800px); padding:0 !important; overflow:hidden; display:flex; align-items:flex-end; }
.about-photo-hero > img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center; }
.about-photo-overlay { position:absolute; inset:0; background:linear-gradient(90deg,rgba(5,15,31,.88) 0%,rgba(5,15,31,.52) 42%,rgba(5,15,31,.08) 75%),linear-gradient(0deg,rgba(5,15,31,.72),transparent 48%); }
.about-photo-copy { position:relative; z-index:2; width:min(760px,90%); margin:0 0 clamp(48px,7vw,90px) clamp(24px,6vw,96px); }
.about-photo-copy h1 { font-family:'Syne',sans-serif; font-size:clamp(38px,5.4vw,72px); line-height:1.04; letter-spacing:-.035em; margin:0 0 24px; }
.about-photo-copy h1 span { color:var(--cyan); }
.about-photo-copy p { max-width:650px; color:#d8e1ed; font-size:16px; line-height:1.8; }
.about-intro-section { display:grid; grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr); gap:70px; align-items:center; background:var(--navy); }
.about-tenets-card { margin:0; }
.tenet-stat-row { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-top:30px; }
.tenet-stat-row div { padding:16px 12px; border:1px solid var(--border); border-radius:8px; background:rgba(0,194,224,.05); }
.tenet-stat-row strong,.tenet-stat-row span { display:block; }
.tenet-stat-row strong { color:var(--cyan); font-family:'Syne',sans-serif; font-size:14px; }
.tenet-stat-row span { color:var(--steel); font-size:10px; margin-top:4px; text-transform:uppercase; letter-spacing:.06em; }
.manufacturing-story-section { background:var(--navy2); }
.wide-corporate-photo { margin:0; border-radius:18px; overflow:hidden; border:1px solid var(--border); background:var(--card); box-shadow:0 30px 80px rgba(0,0,0,.35); }
.wide-corporate-photo img { width:100%; display:block; aspect-ratio:16/9; object-fit:cover; }
.wide-corporate-photo figcaption { padding:13px 18px; color:var(--steel); font-size:11px; text-transform:uppercase; letter-spacing:.08em; }
.production-step-grid,.quality-principle-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; margin-top:24px; }
.production-step-grid article,.quality-principle-grid article { border:1px solid var(--border); border-radius:11px; background:var(--card); padding:25px; }
.production-step-grid article > span,.quality-principle-grid article > span { display:block; color:var(--cyan); font-family:'Syne',sans-serif; font-size:11px; font-weight:800; letter-spacing:.12em; margin-bottom:22px; }
.production-step-grid h3,.quality-principle-grid h3 { font-family:'Syne',sans-serif; font-size:16px; margin-bottom:10px; }
.production-step-grid p,.quality-principle-grid p { color:var(--steel); font-size:12.5px; line-height:1.65; }
.why-quality-hero { display:grid; grid-template-columns:minmax(360px,.78fr) minmax(520px,1.22fr); gap:64px; align-items:center; background:var(--navy); }
.quality-photo-card { overflow:hidden; border-radius:18px; border:1px solid var(--border); background:var(--card); box-shadow:0 30px 80px rgba(0,0,0,.4); }
.quality-photo-card img { width:100%; display:block; aspect-ratio:16/10; object-fit:cover; }
.quality-photo-caption { display:flex; justify-content:space-between; gap:18px; padding:18px 20px; }
.quality-photo-caption strong,.quality-photo-caption span { display:block; }
.quality-photo-caption strong { font-size:13px; color:var(--white); }
.quality-photo-caption span { color:var(--steel); font-size:11px; text-align:right; }
.quality-principles-section { background:var(--navy2); }
@media(max-width:1050px){
  .about-intro-section,.why-quality-hero { grid-template-columns:1fr; }
  .quality-photo-card { max-width:1000px; }
  .production-step-grid,.quality-principle-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media(max-width:900px){
  .page-about main > section:first-child,.page-why main > section:first-child { padding-top:60px; }
  .about-photo-copy { margin-left:24px; }
  .about-photo-overlay { background:linear-gradient(0deg,rgba(5,15,31,.9),rgba(5,15,31,.18) 75%); }
}
@media(max-width:640px){
  .about-photo-hero { min-height:600px; }
  .about-photo-hero > img { object-position:58% center; }
  .tenet-stat-row,.production-step-grid,.quality-principle-grid { grid-template-columns:1fr; }
  .quality-photo-caption { flex-direction:column; }
  .quality-photo-caption span { text-align:left; }
}

/* ══════════════════════════════════════════════════
   DC Power Supply — product detail page
   ══════════════════════════════════════════════════ */
.page-dc-power main > section { padding-left:clamp(24px,6vw,96px); padding-right:clamp(24px,6vw,96px); }
.page-dc-power .dc-product-hero {
  min-height:100vh;
  padding-top:130px;
  display:grid;
  grid-template-columns:minmax(420px,.88fr) minmax(520px,1.12fr);
  gap:56px;
  align-items:center;
  background:radial-gradient(circle at 75% 42%,rgba(0,194,224,.13),transparent 34%),var(--navy);
  overflow:hidden;
}
.page-dc-power .dc-hero-photo { position:relative; min-width:0; }
.page-dc-power .dc-hero-photo img { position:relative; z-index:2; width:100%; display:block; border-radius:18px; box-shadow:0 38px 90px rgba(0,0,0,.48); }
.page-dc-power .dc-key-specs,.page-dc-power .dc-gallery-section,.page-dc-power .full-spec-section { background:var(--navy2); }
.page-dc-power .dc-spec-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.page-dc-power .dc-spec-grid article { padding:26px 22px; border:1px solid var(--border); border-radius:12px; background:linear-gradient(145deg,rgba(17,30,53,.98),rgba(10,32,64,.78)); min-height:165px; }
.page-dc-power .dc-spec-grid strong,.page-dc-power .dc-spec-grid small { display:block; }
.page-dc-power .dc-spec-grid strong { font-family:'Syne',sans-serif; font-size:18px; margin-bottom:7px; }
.page-dc-power .dc-spec-grid small { color:var(--steel); font-size:12px; line-height:1.55; }
.page-dc-power .dc-use-section { display:grid; grid-template-columns:minmax(520px,1.1fr) minmax(380px,.9fr); gap:72px; align-items:center; background:radial-gradient(circle at 20% 45%,rgba(0,194,224,.09),transparent 32%),var(--navy); }
.page-dc-power .dc-use-photo { overflow:hidden; border-radius:18px; border:1px solid var(--border); box-shadow:0 30px 80px rgba(0,0,0,.4); }
.page-dc-power .dc-use-photo img { width:100%; display:block; aspect-ratio:4/3; object-fit:cover; }
.page-dc-power .dc-input-section { background:linear-gradient(135deg,#08172c,#102b51); }
.page-dc-power .dc-input-card { display:flex; justify-content:space-between; align-items:center; gap:40px; border:1px solid var(--border); background:rgba(17,30,53,.75); border-radius:18px; padding:42px; }
.page-dc-power .dc-input-card > div:first-child { max-width:720px; }
.page-dc-power .dc-input-card p { color:var(--steel); max-width:680px; }
.page-dc-power .dc-input-number { font-family:'Syne',sans-serif; font-size:clamp(48px,7vw,92px); font-weight:800; color:var(--cyan); letter-spacing:-.06em; white-space:nowrap; line-height:1; }
.page-dc-power .dc-input-number span { font-size:16px; letter-spacing:.04em; margin-left:8px; color:var(--white); }
.page-dc-power .dc-voltage-note { margin-top:18px; border:1px solid rgba(245,158,11,.38); background:rgba(245,158,11,.07); border-radius:12px; padding:22px 24px; }
.page-dc-power .dc-voltage-note strong { display:block; color:var(--amber); font-family:'Syne',sans-serif; font-size:14px; margin-bottom:6px; }
.page-dc-power .dc-voltage-note p { color:#d7dfeb; font-size:13px; line-height:1.75; }
.page-dc-power .dc-plug-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; margin-top:18px; }
.page-dc-power .dc-plug-grid article { border:1px solid var(--border); background:rgba(17,30,53,.72); border-radius:10px; padding:22px 18px; }
.page-dc-power .dc-plug-grid strong,.page-dc-power .dc-plug-grid span { display:block; }
.page-dc-power .dc-plug-grid strong { font-family:'Syne',sans-serif; color:var(--white); font-size:16px; margin-bottom:8px; }
.page-dc-power .dc-plug-grid span { color:var(--steel); font-size:11px; line-height:1.55; text-transform:uppercase; letter-spacing:.05em; }
.page-dc-power .dc-gallery-grid { display:grid; grid-template-columns:1.2fr .8fr; gap:18px; }
.page-dc-power .dc-gallery-grid figure { margin:0; background:#fff; border-radius:16px; overflow:hidden; border:1px solid var(--border); box-shadow:0 24px 60px rgba(0,0,0,.28); }
.page-dc-power .dc-gallery-grid img { width:100%; height:100%; min-height:360px; display:block; object-fit:cover; }
.page-dc-power .dc-gallery-grid figcaption { background:#fff; color:#4d5b6b; padding:11px 15px; font-size:10px; text-transform:uppercase; letter-spacing:.1em; border-top:1px solid #e8edf2; }
.page-dc-power .dc-gallery-large img { object-position:center; }
.page-dc-power .dc-panel-section { background:var(--navy); }
.page-dc-power .dc-panel-grid { display:grid; grid-template-columns:1.35fr .65fr; gap:18px; }
.page-dc-power .dc-panel-card { border:1px solid var(--border); background:linear-gradient(145deg,var(--card),#0c2343); border-radius:14px; padding:32px; }
.page-dc-power .dc-panel-label { display:inline-block; color:var(--cyan); font-family:'Syne',sans-serif; font-size:11px; font-weight:800; letter-spacing:.14em; margin-bottom:24px; }
.page-dc-power .dc-panel-card ul { list-style:none; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px 18px; }
.page-dc-power .dc-panel-card li { position:relative; padding:11px 12px 11px 30px; background:rgba(0,194,224,.045); border-radius:7px; color:#dfe7f1; font-size:12.5px; }
.page-dc-power .dc-panel-card li::before { content:'•'; position:absolute; left:13px; color:var(--cyan); }
.page-dc-power .dc-panel-card:last-child ul { grid-template-columns:1fr; }
.page-dc-power .dc-final-cta p { max-width:760px; }
@media(max-width:1100px){
  .page-dc-power .dc-product-hero { grid-template-columns:1fr; }
  .page-dc-power .dc-hero-photo { max-width:980px; }
  .page-dc-power .dc-spec-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .page-dc-power .dc-use-section { grid-template-columns:1fr; gap:42px; }
}
@media(max-width:900px){
  .page-dc-power .dc-product-hero { padding-top:105px; gap:38px; }
  .page-dc-power .dc-input-card { align-items:flex-start; flex-direction:column; }
  .page-dc-power .dc-plug-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .page-dc-power .dc-gallery-grid,.page-dc-power .dc-panel-grid { grid-template-columns:1fr; }
  .page-dc-power .dc-gallery-grid img { min-height:280px; }
}
@media(max-width:640px){
  .page-dc-power .dc-spec-grid,.page-dc-power .dc-plug-grid { grid-template-columns:1fr; }
  .page-dc-power .dc-hero-photo img { border-radius:10px; }
  .page-dc-power .dc-input-card { padding:26px 20px; }
  .page-dc-power .dc-input-number { font-size:48px; white-space:normal; }
  .page-dc-power .dc-input-number span { display:block; margin:8px 0 0; }
  .page-dc-power .dc-panel-card { padding:24px 18px; }
  .page-dc-power .dc-panel-card ul { grid-template-columns:1fr; }
  .page-dc-power .dc-gallery-grid img { min-height:220px; }
}

/* Product portfolio layout with DC bench power supply */
@media (min-width:901px){ .page-products .products-grid { grid-template-columns:repeat(3,minmax(0,1fr)); } }
.page-products .product-card--dc .product-img-wrap { background:#f5f7fa; }
.page-products .product-card--dc .product-img-wrap img { max-height:230px; filter:none; }

/* ══════════════════════════════════════════════════
   Global display typography refinement — Sep 2026
   Taller, more elegant large headings across the site.
   Content is unchanged; only visual proportions, spacing
   and responsive sizing are refined.
   ══════════════════════════════════════════════════ */
.hero h1,
.section-title,
.product-hero-copy h1,
.about-photo-copy h1 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Section headlines: slightly larger/taller, less squat than the previous display treatment. */
.section-title {
  font-size: clamp(31px, 3.75vw, 50px);
  line-height: 1.18;
  letter-spacing: -0.032em;
  text-wrap: balance;
}

/* Homepage hero */
.hero h1 {
  font-size: clamp(42px, 4.65vw, 66px);
  line-height: 1.13;
  letter-spacing: -0.038em;
}

/* Product and photographic hero headlines */
.product-hero-copy h1,
.about-photo-copy h1 {
  font-size: clamp(44px, 5.15vw, 76px);
  line-height: 1.11;
  letter-spacing: -0.042em;
}

/* Give long section headings enough breathing room without making them feel loose. */
.product-detail-copy .section-title,
.product-section-heading .section-title,
.centered-heading .section-title {
  line-height: 1.20;
}

@media (max-width: 900px) {
  .section-title {
    font-size: clamp(29px, 5.4vw, 42px);
    line-height: 1.20;
  }
  .hero h1 {
    font-size: clamp(34px, 7vw, 48px);
    line-height: 1.15;
  }
  .product-hero-copy h1,
  .about-photo-copy h1 {
    font-size: clamp(36px, 8vw, 54px);
    line-height: 1.13;
  }
}

@media (max-width: 640px) {
  .section-title {
    font-size: clamp(27px, 7.2vw, 35px);
    line-height: 1.22;
    letter-spacing: -0.026em;
  }
  .hero h1 {
    font-size: clamp(31px, 8.7vw, 40px);
    line-height: 1.16;
  }
  .product-hero-copy h1,
  .about-photo-copy h1 {
    font-size: clamp(34px, 10vw, 46px);
    line-height: 1.15;
    letter-spacing: -0.034em;
  }
}

/* ══════════════════════════════════════════════════
   StarBrain 35L Travel Backpack — product detail page
   ══════════════════════════════════════════════════ */
.page-backpack main > section { padding-left:clamp(24px,6vw,96px); padding-right:clamp(24px,6vw,96px); }
.page-backpack .backpack-product-hero {
  min-height:100vh;
  padding-top:130px;
  display:grid;
  grid-template-columns:minmax(420px,.88fr) minmax(520px,1.12fr);
  gap:56px;
  align-items:center;
  background:radial-gradient(circle at 76% 42%,rgba(0,194,224,.13),transparent 34%),var(--navy);
  overflow:hidden;
}
.page-backpack .backpack-hero-photo { position:relative; min-width:0; }
.page-backpack .backpack-hero-photo img { position:relative; z-index:2; width:100%; display:block; border-radius:18px; box-shadow:0 38px 90px rgba(0,0,0,.38); }
.page-backpack .backpack-key-specs,.page-backpack .backpack-organization-section,.page-backpack .full-spec-section { background:var(--navy2); }
.page-backpack .backpack-spec-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.page-backpack .backpack-spec-grid article { padding:26px 22px; border:1px solid var(--border); border-radius:12px; background:linear-gradient(145deg,rgba(17,30,53,.98),rgba(10,32,64,.78)); min-height:165px; }
.page-backpack .backpack-spec-grid strong,.page-backpack .backpack-spec-grid small { display:block; }
.page-backpack .backpack-spec-grid strong { font-family:'Inter',sans-serif; font-size:19px; line-height:1.22; margin-bottom:7px; }
.page-backpack .backpack-spec-grid small { color:var(--steel); font-size:12px; line-height:1.55; }
.page-backpack .backpack-use-section { display:grid; grid-template-columns:minmax(520px,1.1fr) minmax(380px,.9fr); gap:72px; align-items:center; background:radial-gradient(circle at 20% 45%,rgba(0,194,224,.09),transparent 32%),var(--navy); }
.page-backpack .backpack-use-photo { overflow:hidden; border-radius:18px; border:1px solid var(--border); box-shadow:0 30px 80px rgba(0,0,0,.38); background:#eef4f7; }
.page-backpack .backpack-use-photo img { width:100%; display:block; aspect-ratio:16/9; object-fit:cover; }
.page-backpack .backpack-feature-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.page-backpack .backpack-feature-grid article { padding:30px 26px; border:1px solid var(--border); border-radius:13px; background:linear-gradient(145deg,var(--card),#0c2343); min-height:225px; }
.page-backpack .backpack-feature-grid article > span { color:var(--cyan); font-family:'Syne',sans-serif; font-size:12px; font-weight:800; letter-spacing:.14em; }
.page-backpack .backpack-feature-grid h3 { font-family:'Inter',sans-serif; font-size:20px; line-height:1.25; margin:32px 0 12px; }
.page-backpack .backpack-feature-grid p { color:var(--steel); font-size:13px; line-height:1.7; }
.page-backpack .backpack-material-section { display:grid; grid-template-columns:minmax(380px,.9fr) minmax(500px,1.1fr); gap:72px; align-items:center; background:linear-gradient(135deg,#08172c,#102b51); }
.page-backpack .backpack-material-copy > p { color:var(--steel); max-width:680px; font-size:15px; line-height:1.8; }
.page-backpack .backpack-material-points { display:grid; gap:12px; margin-top:30px; }
.page-backpack .backpack-material-points div { display:flex; justify-content:space-between; gap:20px; border-bottom:1px solid var(--border); padding:14px 0; }
.page-backpack .backpack-material-points strong { color:var(--white); font-size:13px; }
.page-backpack .backpack-material-points span { color:var(--steel); font-size:13px; text-align:right; }
.page-backpack .backpack-reference-card { margin:0; background:#fff; border-radius:18px; padding:16px; overflow:hidden; box-shadow:0 30px 80px rgba(0,0,0,.32); }
.page-backpack .backpack-reference-card img { display:block; width:100%; border-radius:10px; }
.page-backpack .backpack-reference-card figcaption { color:#667587; font-size:10px; letter-spacing:.10em; text-transform:uppercase; padding:12px 3px 1px; }
.page-backpack .backpack-custom-section { display:flex; justify-content:space-between; gap:50px; align-items:flex-end; background:var(--navy); }
.page-backpack .backpack-custom-section > div:first-child { max-width:820px; }
.page-backpack .backpack-custom-section p { color:var(--steel); }
.page-products .product-card--backpack .product-img-wrap { background:#f4f8fb; }
.page-products .product-card--backpack .product-img-wrap img { max-height:230px; filter:none; object-fit:cover; }
@media(max-width:1100px){
  .page-backpack .backpack-product-hero { grid-template-columns:1fr; }
  .page-backpack .backpack-hero-photo { max-width:980px; }
  .page-backpack .backpack-spec-grid,.page-backpack .backpack-feature-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .page-backpack .backpack-use-section,.page-backpack .backpack-material-section { grid-template-columns:1fr; gap:42px; }
}
@media(max-width:900px){
  .page-backpack .backpack-product-hero { padding-top:105px; gap:38px; }
  .page-backpack .backpack-custom-section { align-items:flex-start; flex-direction:column; }
}
@media(max-width:640px){
  .page-backpack .backpack-spec-grid,.page-backpack .backpack-feature-grid { grid-template-columns:1fr; }
  .page-backpack .backpack-hero-photo img,.page-backpack .backpack-use-photo,.page-backpack .backpack-reference-card { border-radius:10px; }
  .page-backpack .backpack-material-points div { flex-direction:column; gap:4px; }
  .page-backpack .backpack-material-points span { text-align:left; }
}

/* Travel Backpack — approved-image refinement */
.page-backpack .backpack-material-section--text-only {
  grid-template-columns: minmax(0, 1fr);
}
.page-backpack .backpack-material-section--text-only .backpack-material-copy {
  max-width: 980px;
}
.page-backpack .backpack-material-section--text-only .backpack-material-points {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}
.page-backpack .backpack-material-section--text-only .backpack-material-points div {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  background: rgba(255,255,255,.025);
}
.page-backpack .backpack-material-section--text-only .backpack-material-points strong,
.page-backpack .backpack-material-section--text-only .backpack-material-points span {
  display: block;
  text-align: left;
}
.page-backpack .backpack-material-section--text-only .backpack-material-points span {
  margin-top: 7px;
  line-height: 1.55;
}
.page-products .product-card--backpack .product-img-wrap {
  padding: 12px;
}
.page-products .product-card--backpack .product-img-wrap img {
  width: 100%;
  height: 230px;
  max-height: 230px;
  object-fit: contain;
  border-radius: 8px;
}
@media(max-width:760px){
  .page-backpack .backpack-material-section--text-only .backpack-material-points {
    grid-template-columns: 1fr;
  }
}