    /* ── DARK THEME (default) ── */
    :root {
      --navy:         #0a1628;
      --navy-mid:     #122040;
      --steel:        #1e3a5f;
      --steel-light:  #2d5282;
      --accent:       #f97316;
      --accent-dark:  #ea580c;
      --gold:         #f59e0b;
      --silver:       #94a3b8;
      --chrome:       #e2e8f0;
      --white:        #ffffff;
      --text-muted:   #94a3b8;

      /* Semantic tokens — all components use these */
      --bg-base:      #0a1628;
      --bg-section:   rgba(8,18,34,0.85);
      --bg-card:      rgba(18,32,64,0.6);
      --bg-card-solid:#0f1c36;
      --bg-nav:       rgba(10,22,40,0.92);
      --text-primary: #ffffff;
      --text-body:    #e2e8f0;
      --text-muted2:  #94a3b8;
      --border-c:     rgba(255,255,255,0.07);
      --border-hover: rgba(249,115,22,0.3);
      --shadow:       rgba(0,0,0,0.35);
      --input-bg:     rgba(10,22,40,0.8);
      --hero-grid:    rgba(255,255,255,0.03);
      --divider:      rgba(255,255,255,0.08);
      --ticker-text:  rgba(255,255,255,0.9);
    }

    /* ── LIGHT THEME ── */
    [data-theme="light"] {
      --navy:         #f0f4ff;
      --navy-mid:     #e4ecf9;
      --steel:        #c8d9f0;
      --steel-light:  #b0c8e8;
      --silver:       #64748b;
      --chrome:       #1e293b;

      --bg-base:      #f5f7fa;
      --bg-section:   rgba(235,241,252,0.95);
      --bg-card:      rgba(255,255,255,0.9);
      --bg-card-solid:#ffffff;
      --bg-nav:       rgba(248,250,255,0.95);
      --text-primary: #0f172a;
      --text-body:    #1e293b;
      --text-muted2:  #64748b;
      --border-c:     rgba(0,0,0,0.08);
      --border-hover: rgba(249,115,22,0.45);
      --shadow:       rgba(0,0,0,0.1);
      --input-bg:     #ffffff;
      --hero-grid:    rgba(0,0,0,0.04);
      --divider:      rgba(0,0,0,0.08);
      --ticker-text:  rgba(255,255,255,0.95);
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Barlow', sans-serif;
      background: var(--bg-base);
      color: var(--text-primary);
      overflow-x: hidden;
      transition: background 0.35s ease, color 0.35s ease;
    }

    /* smooth theme transitions on key elements */
    nav, section, footer, .card, .modal, .detail-panel,
    .feature-card, .cat-card, .product-card, .inquiry-form,
    .contact-info-card, .about-card-main, .industry-card,
    .cert-badge, .compare-bar, .ticker {
      transition: background 0.35s ease, border-color 0.35s ease, color 0.35s ease, box-shadow 0.35s ease;
    }

    /* ── THEME TOGGLE BUTTON ── */
    .theme-toggle {
      width: 44px; height: 24px;
      background: rgba(255,255,255,0.12);
      border: 1px solid var(--border-c);
      border-radius: 100px;
      position: relative;
      cursor: pointer;
      transition: background 0.3s;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      padding: 2px;
    }

    [data-theme="light"] .theme-toggle {
      background: rgba(0,0,0,0.1);
    }

    .theme-toggle-knob {
      width: 18px; height: 18px;
      background: white;
      border-radius: 50%;
      position: absolute;
      left: 3px;
      transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), background 0.3s;
      display: flex; align-items: center; justify-content: center;
      font-size: 10px;
      box-shadow: 0 1px 4px rgba(0,0,0,0.3);
    }

    [data-theme="light"] .theme-toggle-knob {
      transform: translateX(20px);
      background: var(--accent);
    }

    .theme-toggle-icon {
      font-size: 0.7rem;
      display: flex; align-items: center; justify-content: space-between;
      width: 100%; padding: 0 5px;
      pointer-events: none;
    }

    /* Pill wrapper in nav */
    .theme-pill {
      display: flex;
      align-items: center;
      gap: 7px;
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--border-c);
      border-radius: 100px;
      padding: 5px 10px 5px 8px;
      cursor: pointer;
      transition: all 0.2s;
      user-select: none;
    }

    [data-theme="light"] .theme-pill {
      background: rgba(0,0,0,0.06);
    }

    .theme-pill:hover { border-color: var(--accent); }

    .theme-pill-label {
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--text-muted2);
      transition: color 0.2s;
    }

    h1, h2, h3, h4, .display {
      font-family: 'Barlow Condensed', sans-serif;
      letter-spacing: 0.02em;
    }

    /* ── NOISE TEXTURE OVERLAY ── */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 0;
      opacity: 0.3;
      transition: opacity 0.35s;
    }

    [data-theme="light"] body::before { opacity: 0.12; }

    /* ── NAV ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      background: var(--bg-nav);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-c);
      transition: all 0.3s;
    }

    .nav-inner {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo-mark {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .logo-icon {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, var(--accent), var(--accent-dark));
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 900;
      font-size: 1.2rem;
      color: white;
      letter-spacing: -1px;
      flex-shrink: 0;
    }

    .logo-text { display: flex; flex-direction: column; }
    .logo-name {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 1.1rem;
      color: white;
      line-height: 1;
      letter-spacing: 0.05em;
      color: var(--text-primary);
    }
    .logo-sub {
      font-size: 0.65rem;
      color: var(--silver);
      letter-spacing: 0.15em;
      text-transform: uppercase;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
      list-style: none;
    }

    .nav-links a {
      color: var(--text-body);
      text-decoration: none;
      font-size: 0.875rem;
      font-weight: 500;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      transition: color 0.2s;
      position: relative;
    }
    .nav-links a:hover { color: var(--accent); }

    .nav-cta {
      background: var(--accent);
      color: white !important;
      padding: 10px 22px;
      border-radius: 6px;
      font-weight: 700 !important;
      transition: background 0.2s, transform 0.2s !important;
    }
    .nav-cta:hover {
      background: var(--accent-dark) !important;
      transform: translateY(-1px);
    }

    /* ── HERO ── */
    .hero {
      min-height: 100vh;
      position: relative;
      display: flex;
      align-items: center;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 80% 60% at 60% 50%, rgba(30, 58, 95, 0.5) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 20% 80%, rgba(249, 115, 22, 0.1) 0%, transparent 60%),
        var(--bg-base);
    }

    .hero-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(var(--hero-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--hero-grid) 1px, transparent 1px);
      background-size: 60px 60px;
    }

    /* Diagonal accent stripe */
    .hero-stripe {
      position: absolute;
      top: 0; right: 0;
      width: 45%;
      height: 100%;
      background: linear-gradient(160deg, rgba(249,115,22,0.06) 0%, transparent 60%);
      clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 2rem;
      padding-top: 5rem;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
      width: 100%;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(249,115,22,0.15);
      border: 1px solid rgba(249,115,22,0.3);
      border-radius: 100px;
      padding: 6px 16px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 1.5rem;
    }

    .hero-badge span {
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.3); }
    }

    .hero-headline {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 900;
      font-size: clamp(3rem, 6vw, 5.5rem);
      line-height: 0.95;
      letter-spacing: -0.01em;
      margin-bottom: 1.5rem;
      color: var(--text-primary);
    }

    .hero-headline .accent { color: var(--accent); }

    .hero-sub {
      font-size: 1.1rem;
      color: var(--text-muted2);
      line-height: 1.7;
      max-width: 480px;
      margin-bottom: 2.5rem;
      font-weight: 300;
    }

    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 3rem;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), var(--accent-dark));
      color: white;
      padding: 14px 32px;
      border-radius: 8px;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-decoration: none;
      transition: transform 0.2s, box-shadow 0.2s;
      box-shadow: 0 4px 20px rgba(249,115,22,0.35);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      border: none;
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(249,115,22,0.5);
    }

    .btn-secondary {
      background: transparent;
      color: var(--text-primary);
      padding: 14px 32px;
      border-radius: 8px;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-decoration: none;
      border: 1px solid var(--border-c);
      transition: all 0.2s;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
    }
    .btn-secondary:hover {
      border-color: rgba(255,255,255,0.5);
      background: rgba(255,255,255,0.05);
    }

    .hero-stats {
      display: flex;
      gap: 2rem;
    }

    .stat-item { text-align: left; }
    .stat-num {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 900;
      font-size: 2rem;
      color: var(--accent);
      line-height: 1;
    }
    .stat-label {
      font-size: 0.75rem;
      color: var(--silver);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-top: 2px;
    }

    /* Bolt visual */
    .hero-visual {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .bolt-showcase {
      position: relative;
      width: 400px;
      height: 400px;
    }

    .bolt-ring {
      position: absolute;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.06);
      animation: rotate 20s linear infinite;
    }
    .bolt-ring:nth-child(1) { inset: 0; animation-duration: 25s; }
    .bolt-ring:nth-child(2) { inset: 40px; animation-direction: reverse; animation-duration: 18s; }
    .bolt-ring:nth-child(3) { inset: 80px; animation-duration: 30s; }

    @keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

    .bolt-center {
      position: absolute;
      inset: 120px;
      background: radial-gradient(circle, rgba(30,58,95,0.8), rgba(10,22,40,0.9));
      border-radius: 50%;
      border: 1px solid rgba(249,115,22,0.3);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 60px rgba(249,115,22,0.15), inset 0 0 40px rgba(30,58,95,0.5);
    }

    .bolt-icon {
      font-size: 4rem;
      filter: drop-shadow(0 0 20px rgba(249,115,22,0.4));
    }

    .floating-card {
      position: absolute;
      background: var(--bg-card-solid);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-c);
      border-radius: 12px;
      padding: 12px 16px;
      font-size: 0.8rem;
      white-space: nowrap;
    }

    .floating-card:nth-child(5) { top: 30px; left: -20px; animation: float1 4s ease-in-out infinite; }
    .floating-card:nth-child(6) { top: 30px; right: -20px; animation: float2 5s ease-in-out infinite; }
    .floating-card:nth-child(7) { bottom: 30px; left: 10px; animation: float1 6s ease-in-out infinite; }
    .floating-card:nth-child(8) { bottom: 30px; right: 10px; animation: float2 4.5s ease-in-out infinite; }

    @keyframes float1 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
    @keyframes float2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

    .fc-label { color: var(--silver); font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; }
    .fc-value { color: white; font-weight: 600; margin-top: 2px; }
    .fc-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }
    .fc-dot.green { background: #22c55e; box-shadow: 0 0 6px #22c55e; }

    /* ── SECTION BASE ── */
    section { position: relative; z-index: 1; }

    .section-inner {
      max-width: 1400px;
      margin: 0 auto;
      padding: 5rem 2rem;
    }

    .section-header { text-align: center; margin-bottom: 3.5rem; }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 0.75rem;
    }

    .section-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: clamp(2rem, 4vw, 3rem);
      line-height: 1.05;
      color: var(--text-primary);
      margin-bottom: 1rem;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted2);
      max-width: 580px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* ── TICKER BAND ── */
    .ticker {
      background: var(--accent);
      padding: 10px 0;
      overflow: hidden;
      position: relative;
    }

    .ticker-track {
      display: flex;
      gap: 4rem;
      animation: ticker 25s linear infinite;
      white-space: nowrap;
    }

    @keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

    .ticker-item {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 0.85rem;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.9);
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .ticker-dot { color: rgba(255,255,255,0.5); }

    /* ── CATEGORIES ── */
    .categories-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1.25rem;
    }

    .cat-card {
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 16px;
      padding: 2rem 1.5rem;
      text-align: center;
      text-decoration: none;
      color: var(--text-primary);
      transition: all 0.3s;
      position: relative;
      overflow: hidden;
      cursor: pointer;
    }

    .cat-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(249,115,22,0.08) 0%, transparent 60%);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .cat-card:hover {
      border-color: rgba(249,115,22,0.35);
      transform: translateY(-4px);
      box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(249,115,22,0.15);
    }

    .cat-card:hover::before { opacity: 1; }

    .cat-icon {
      font-size: 2.5rem;
      margin-bottom: 1rem;
      display: block;
    }

    .cat-name {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1.2rem;
      margin-bottom: 0.5rem;
      color: var(--text-primary);
    }

    .cat-count {
      font-size: 0.75rem;
      color: var(--text-muted2);
      letter-spacing: 0.06em;
    }

    .cat-arrow {
      display: inline-block;
      margin-top: 1rem;
      color: var(--accent);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      opacity: 0;
      transform: translateY(4px);
      transition: all 0.3s;
    }

    .cat-card:hover .cat-arrow { opacity: 1; transform: translateY(0); }

    /* ── WHY US ── */
    .whyus { background: var(--bg-section); }

    .whyus-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 1.5rem;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 16px;
      padding: 2rem;
      transition: all 0.3s;
      position: relative;
      overflow: hidden;
    }

    .feature-card::after {
      content: '';
      position: absolute;
      top: 0; left: 0;
      width: 3px;
      height: 0;
      background: var(--accent);
      transition: height 0.4s;
      border-radius: 0 0 3px 3px;
    }

    .feature-card:hover::after { height: 100%; }
    .feature-card:hover { border-color: rgba(249,115,22,0.2); }

    .feature-icon {
      width: 52px;
      height: 52px;
      background: rgba(249,115,22,0.12);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 1.25rem;
      transition: background 0.3s;
    }

    .feature-card:hover .feature-icon { background: rgba(249,115,22,0.2); }

    .feature-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1.15rem;
      margin-bottom: 0.6rem;
      color: var(--text-primary);
    }

    .feature-desc {
      font-size: 0.875rem;
      color: var(--text-muted2);
      line-height: 1.65;
    }

    /* ── PRODUCTS ── */
    .products-section { background: var(--bg-base); }

    .filter-bar {
      display: flex;
      gap: 0.75rem;
      flex-wrap: wrap;
      margin-bottom: 2.5rem;
      align-items: center;
    }

    .filter-label {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--silver);
      margin-right: 0.5rem;
    }

    .filter-btn {
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 100px;
      padding: 8px 20px;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-muted2);
      cursor: pointer;
      transition: all 0.2s;
      letter-spacing: 0.05em;
    }

    .filter-btn:hover,
    .filter-btn.active {
      background: var(--accent);
      border-color: var(--accent);
      color: white;
    }

    .search-box {
      margin-left: auto;
      display: flex;
      align-items: center;
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 8px;
      padding: 8px 14px;
      gap: 8px;
    }

    .search-box input {
      background: none;
      border: none;
      outline: none;
      color: var(--text-primary);
      font-size: 0.85rem;
      width: 200px;
    }

    .search-box input::placeholder { color: var(--text-muted2); }

    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.5rem;
    }

    .product-card {
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 16px;
      overflow: hidden;
      transition: all 0.3s;
      position: relative;
    }

    .product-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-4px);
      box-shadow: 0 16px 48px var(--shadow);
    }

    .product-img {
      height: 180px;
      background: linear-gradient(135deg, rgba(30,58,95,0.8), rgba(18,32,64,0.9));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 4rem;
      position: relative;
      overflow: hidden;
    }

    .product-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at center, rgba(249,115,22,0.08), transparent);
    }

    .product-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--accent);
      color: white;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 100px;
    }

    .compare-check {
      position: absolute;
      top: 12px;
      right: 12px;
      width: 28px;
      height: 28px;
      background: rgba(0,0,0,0.4);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.2s;
    }

    .compare-check:hover, .compare-check.checked {
      background: var(--accent);
      border-color: var(--accent);
    }

    .product-body { padding: 1.25rem; }

    .product-category {
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 0.4rem;
    }

    .product-name {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1.2rem;
      color: var(--text-primary);
      margin-bottom: 0.75rem;
      line-height: 1.2;
    }

    .spec-row {
      display: flex;
      justify-content: space-between;
      padding: 6px 0;
      border-bottom: 1px solid var(--border-c);
      font-size: 0.8rem;
    }

    .spec-row:last-child { border-bottom: none; }
    .spec-key { color: var(--text-muted2); }
    .spec-val { color: var(--text-primary); font-weight: 600; }

    .product-footer {
      padding: 1rem 1.25rem;
      border-top: 1px solid var(--border-c);
      display: flex;
      gap: 0.75rem;
    }

    .btn-quote {
      flex: 1;
      background: linear-gradient(135deg, var(--accent), var(--accent-dark));
      color: white;
      border: none;
      border-radius: 8px;
      padding: 10px;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 0.85rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      cursor: pointer;
      transition: all 0.2s;
    }

    .btn-quote:hover { opacity: 0.9; transform: scale(1.02); }

    .btn-sheet {
      background: var(--bg-card);
      color: var(--text-muted2);
      border: 1px solid var(--border-c);
      border-radius: 8px;
      padding: 10px 12px;
      font-size: 0.9rem;
      cursor: pointer;
      transition: all 0.2s;
    }

    .btn-sheet:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

    /* ── INDUSTRIES ── */
    .industries { background: var(--bg-section); }

    .industries-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
      gap: 1rem;
    }

    .industry-card {
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 12px;
      padding: 1.5rem 1rem;
      text-align: center;
      transition: all 0.3s;
      cursor: pointer;
    }

    .industry-card:hover {
      border-color: var(--border-hover);
      background: rgba(249,115,22,0.06);
      transform: translateY(-3px);
    }

    .ind-icon { font-size: 2rem; margin-bottom: 0.75rem; display: block; }
    .ind-name {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-body);
    }

    /* ── TRUST / CERTIFICATIONS ── */
    .trust { background: var(--bg-section); }

    .certs-row {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 2.5rem;
      flex-wrap: wrap;
    }

    .cert-badge {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
      padding: 1.5rem 2rem;
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 16px;
      transition: all 0.3s;
      min-width: 140px;
    }

    .cert-badge:hover {
      border-color: rgba(245,158,11,0.4);
      background: rgba(245,158,11,0.06);
    }

    .cert-logo { font-size: 2rem; }
    .cert-name {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 1.1rem;
      color: var(--gold);
    }
    .cert-desc { font-size: 0.7rem; color: var(--text-muted2); text-align: center; }

    .clients-marquee {
      overflow: hidden;
      margin-top: 3rem;
      padding: 2rem 0;
      border-top: 1px solid var(--border-c);
    }

    .clients-track {
      display: flex;
      gap: 3rem;
      animation: ticker 20s linear infinite;
      white-space: nowrap;
    }

    .client-item {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted2); opacity: 0.5;
      padding: 0 1rem;
      flex-shrink: 0;
      transition: color 0.2s;
    }

    /* ── CTA BAND ── */
    .cta-band {
      background: linear-gradient(135deg, #1a3560, #0f2040);
    }
    [data-theme="light"] .cta-band {
      background: linear-gradient(135deg, #1a3560, #0f2040);
    }
    .cta-band-inner {
      border-top: 1px solid rgba(249,115,22,0.2);
      border-bottom: 1px solid rgba(249,115,22,0.2);
      position: relative;
      overflow: hidden;
    }

    .cta-band::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -10%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(249,115,22,0.1), transparent 60%);
      pointer-events: none;
    }

    .cta-inner {
      max-width: 1400px;
      margin: 0 auto;
      padding: 4rem 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      flex-wrap: wrap;
      position: relative;
    }

    .cta-text-wrap { max-width: 600px; }
    .cta-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 900;
      font-size: clamp(1.8rem, 3vw, 2.8rem);
      color: #ffffff;
      line-height: 1.1;
      margin-bottom: 0.75rem;
    }
    .cta-subtitle { font-size: 0.95rem; color: rgba(255,255,255,0.7); line-height: 1.6; }

    /* ── CONTACT ── */
    .contact { background: var(--bg-base); }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 4rem;
      align-items: start;
    }

    .contact-info-card {
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 20px;
      padding: 2.5rem;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      padding: 1rem 0;
      border-bottom: 1px solid var(--border-c);
    }

    .contact-item:last-child { border-bottom: none; }

    .ci-icon {
      width: 44px;
      height: 44px;
      background: rgba(249,115,22,0.1);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      flex-shrink: 0;
    }

    .ci-label { font-size: 0.7rem; color: var(--text-muted2); text-transform: uppercase; letter-spacing: 0.1em; }
    .ci-value { font-weight: 600; color: var(--text-primary); margin-top: 2px; }

    .whatsapp-btn {
      display: flex;
      align-items: center;
      gap: 12px;
      background: #25D366;
      color: white;
      padding: 14px 24px;
      border-radius: 12px;
      text-decoration: none;
      font-weight: 700;
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1rem;
      letter-spacing: 0.05em;
      margin-top: 1.5rem;
      transition: all 0.2s;
    }

    .whatsapp-btn:hover { background: #1fa853; transform: translateY(-2px); }

    .inquiry-form {
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 20px;
      padding: 2.5rem;
    }

    .form-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 1.5rem;
      color: var(--text-primary);
      margin-bottom: 1.75rem;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    .form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 1rem; }
    .form-label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted2); letter-spacing: 0.08em; text-transform: uppercase; }

    .form-control {
      background: var(--input-bg);
      border: 1px solid var(--border-c);
      border-radius: 10px;
      padding: 12px 16px;
      color: var(--text-primary);
      font-family: 'Barlow', sans-serif;
      font-size: 0.9rem;
      outline: none;
      transition: border-color 0.2s;
      width: 100%;
    }

    .form-control:focus { border-color: var(--accent); }
    .form-control::placeholder { color: var(--text-muted2); }

    textarea.form-control { resize: vertical; min-height: 100px; }

    select.form-control option { background: var(--bg-card-solid); color: var(--text-primary); }

    /* ── FOOTER ── */
    footer {
      background: var(--bg-card-solid);
      border-top: 1px solid var(--border-c);
    }

    .footer-inner {
      max-width: 1400px;
      margin: 0 auto;
      padding: 4rem 2rem 2rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 3rem;
      margin-bottom: 3rem;
    }

    .footer-brand p {
      font-size: 0.875rem;
      color: var(--text-muted2);
      line-height: 1.7;
      margin: 1rem 0 1.5rem;
      max-width: 280px;
    }

    .footer-col-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 0.95rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-primary);
      margin-bottom: 1.25rem;
    }

    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
    .footer-links a {
      color: var(--text-muted2);
      text-decoration: none;
      font-size: 0.875rem;
      transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--accent); }

    .footer-bottom {
      border-top: 1px solid var(--border-c);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .footer-bottom p { font-size: 0.8rem; color: var(--text-muted2); }
    .footer-bottom a { color: var(--accent); text-decoration: none; }

    /* ── STICKY CTA ── */
    .sticky-cta {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      align-items: flex-end;
    }

    .sticky-btn {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 20px;
      border-radius: 100px;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 0.9rem;
      letter-spacing: 0.06em;
      text-decoration: none;
      transition: all 0.2s;
      box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    }

    .sticky-wa {
      background: #25D366;
      color: white;
    }

    .sticky-wa:hover { background: #1fa853; transform: translateY(-2px); }

    .sticky-quote {
      background: linear-gradient(135deg, var(--accent), var(--accent-dark));
      color: white;
    }

    .sticky-quote:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(249,115,22,0.4); }

    /* ── MODAL ── */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(8px);
      z-index: 2000;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s;
    }

    .modal-overlay.open { opacity: 1; pointer-events: all; }

    .modal {
      background: var(--bg-card-solid);
      border: 1px solid var(--border-c);
      border-radius: 20px;
      padding: 2.5rem;
      max-width: 520px;
      width: 90%;
      transform: translateY(20px);
      transition: transform 0.3s;
    }

    .modal-overlay.open .modal { transform: translateY(0); }

    .modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.75rem;
    }

    .modal-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 1.5rem;
      color: white;
    }

    .modal-close {
      width: 36px; height: 36px;
      background: var(--bg-card);
      border: none;
      border-radius: 8px;
      color: var(--text-muted2);
      cursor: pointer;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
    }
    .modal-close:hover { background: rgba(255,255,255,0.15); color: white; }

    .success-state {
      text-align: center;
      padding: 2rem;
      display: none;
    }

    .success-icon { font-size: 3rem; margin-bottom: 1rem; }
    .success-title { font-family: 'Barlow Condensed', sans-serif; font-weight: 800; font-size: 1.5rem; color: white; margin-bottom: 0.5rem; }
    .success-text { color: var(--silver); font-size: 0.9rem; }

    /* ── COMPARE BAR ── */
    .compare-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: var(--bg-card-solid);
      backdrop-filter: blur(16px);
      border-top: 1px solid rgba(249,115,22,0.3);
      z-index: 900;
      padding: 1rem 2rem;
      transform: translateY(100%);
      transition: transform 0.3s;
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }

    .compare-bar.visible { transform: translateY(0); }

    .compare-bar-label {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--accent);
      letter-spacing: 0.06em;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .compare-items { display: flex; gap: 1rem; flex: 1; }

    .compare-slot {
      background: rgba(255,255,255,0.05);
      border: 1px dashed rgba(255,255,255,0.15);
      border-radius: 8px;
      padding: 8px 14px;
      font-size: 0.8rem;
      color: var(--silver);
      min-width: 150px;
    }

    .compare-slot.filled {
      border-style: solid;
      border-color: rgba(249,115,22,0.3);
      color: white;
    }

    .compare-actions { display: flex; gap: 0.75rem; margin-left: auto; }

    /* ── PRODUCT DETAIL PANEL ── */
    .detail-panel {
      position: fixed;
      top: 0; right: 0;
      width: min(580px, 100vw);
      height: 100vh;
      background: var(--bg-card-solid);
      border-left: 1px solid var(--border-c);
      z-index: 1500;
      transform: translateX(100%);
      transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
      overflow-y: auto;
    }

    .detail-panel.open { transform: translateX(0); }

    .panel-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 1400;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.4s;
    }

    .panel-overlay.open { opacity: 1; pointer-events: all; }

    .panel-header {
      padding: 2rem 2rem 1.5rem;
      border-bottom: 1px solid rgba(255,255,255,0.07);
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: sticky;
      top: 0;
      background: var(--bg-card-solid);
      z-index: 10;
    }

    .panel-body { padding: 1.5rem 2rem 3rem; }

    .panel-img {
      height: 220px;
      background: linear-gradient(135deg, rgba(30,58,95,0.8), rgba(18,32,64,0.9));
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 5rem;
      margin-bottom: 1.5rem;
    }

    .spec-table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.25rem 0;
    }

    .spec-table th {
      background: rgba(249,115,22,0.1);
      color: var(--accent);
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 0.8rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 10px 14px;
      text-align: left;
    }

    .spec-table td {
      padding: 10px 14px;
      font-size: 0.875rem;
      color: var(--text-body);
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .spec-table tr:last-child td { border-bottom: none; }
    .spec-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

    .standards-row {
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
      margin: 1rem 0;
    }

    .std-badge {
      background: rgba(30,58,95,0.7);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 6px;
      padding: 4px 12px;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--chrome);
      font-family: 'Barlow Condensed', sans-serif;
      letter-spacing: 0.05em;
    }

    /* ── ABOUT SECTION ── */
    .about { background: var(--bg-section); }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: center;
    }

    .about-visual {
      position: relative;
    }

    .about-card-main {
      background: var(--bg-card);
      border: 1px solid var(--border-c);
      border-radius: 20px;
      padding: 2.5rem;
      position: relative;
    }

    .about-stats-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1px;
      background: var(--border-c);
      border-radius: 16px;
      overflow: hidden;
      margin-top: 2rem;
    }

    .about-stat {
      background: var(--bg-base);
      padding: 1.5rem;
      text-align: center;
    }

    .about-stat-num {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 900;
      font-size: 2.2rem;
      color: var(--accent);
      line-height: 1;
    }

    .about-stat-label {
      font-size: 0.75rem;
      color: var(--text-muted2);
      margin-top: 4px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .about-text h2 { margin-bottom: 1.25rem; }
    .about-text p { color: var(--text-muted2); line-height: 1.75; margin-bottom: 1rem; font-size: 0.95rem; }

    .timeline { margin-top: 2rem; }

    .timeline-item {
      display: flex;
      gap: 1.25rem;
      padding-bottom: 1.5rem;
      position: relative;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: 17px;
      top: 36px;
      bottom: 0;
      width: 1px;
      background: rgba(255,255,255,0.08);
    }

    .timeline-item:last-child::before { display: none; }

    .tl-dot {
      width: 36px;
      height: 36px;
      background: rgba(249,115,22,0.15);
      border: 1px solid rgba(249,115,22,0.3);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      flex-shrink: 0;
    }

    .tl-year {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 0.85rem;
      color: var(--accent);
    }

    .tl-text { font-size: 0.85rem; color: var(--silver); line-height: 1.5; }

    /* ── DIVIDER ── */
    .divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--divider), transparent);
      margin: 0;
    }

    /* ── RESPONSIVE ── */
    @media (max-width: 1024px) {
      .hero-content { grid-template-columns: 1fr; }
      .hero-visual { display: none; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .about-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hero-headline { font-size: 2.8rem; }
      .section-inner { padding: 3rem 1.25rem; }
      .footer-grid { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      .cta-inner { flex-direction: column; text-align: center; }
      .compare-bar { flex-direction: column; }
    }

    /* ── MOBILE NAV TOGGLE ── */
    .mob-menu {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 8px;
    }

    .mob-menu span {
      display: block;
      width: 24px;
      height: 2px;
      background: white;
      border-radius: 2px;
      transition: all 0.3s;
    }

    @media (max-width: 768px) { .mob-menu { display: flex; } }

    /* ── LOADING REVEAL ── */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .fade-up { animation: fadeUp 0.7s ease forwards; }
    .fade-up-delay-1 { animation-delay: 0.1s; opacity: 0; animation: fadeUp 0.7s 0.1s ease forwards; }
    .fade-up-delay-2 { animation-delay: 0.2s; opacity: 0; animation: fadeUp 0.7s 0.2s ease forwards; }
    .fade-up-delay-3 { animation-delay: 0.3s; opacity: 0; animation: fadeUp 0.7s 0.3s ease forwards; }
    .fade-up-delay-4 { animation-delay: 0.4s; opacity: 0; animation: fadeUp 0.7s 0.4s ease forwards; }

    /* highlight tab */
    .tab-active { background: var(--accent) !important; color: white !important; border-color: var(--accent) !important; }
    
    .load-db-section {
        min-height: 500px;
        background: linear-gradient(135deg,#0a1628,#1e3a5f);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #f97316;
        font-size: 18px;
        font-weight: 700;
        border-radius: 8px;
        border: 2px dashed rgba(249,115,22,0.3);
        flex-direction: column;
        gap: 12px;
    }