:root {
    /* Brand */
    --blue: #1a2d6b;
    --logo-sky: #4ab8e8;
    --blue-mid: #1e4d9b;
    --blue-light: #4ab8e8;
    --orange: #f97316;
    --orange-dark: #ea580c;
    /* Dark theme surface palette */
    --bg-base:    #0b0f1a;
    --bg-surface: #111827;
    --bg-card:    #161d2e;
    --bg-card2:   #1a2235;
    --border:     rgba(74,184,232,0.12);
    --border-mid: rgba(74,184,232,0.22);
    /* Text */
    --white: #ffffff;
    --text-primary: #f0f4ff;
    --text-secondary: #94a3b8;
    --text-muted: #4b6080;
    /* Legacy aliases so old classes still work */
    --off-white: #111827;
    --gray-50:  #111827;
    --gray-100: #161d2e;
    --gray-200: rgba(74,184,232,0.15);
    --gray-400: #64748b;
    --gray-600: #94a3b8;
    --gray-800: #f0f4ff;
    --green: #22d3a0;
    --green-light: rgba(34,211,160,0.12);
    --shadow-sm: 0 1px 6px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
    --radius: 12px;
    --radius-lg: 20px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; color: var(--text-primary); background: var(--bg-base); line-height: 1.6; }

  /* NAV */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: linear-gradient(180deg, rgba(11,15,26,0.96) 0%, rgba(13,20,40,0.94) 100%);
    border-bottom: 1px solid rgba(74,184,232,0.15);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 5%;
    height: 88px;
    box-shadow: 0 2px 24px rgba(0,0,0,0.5);
  }
  .nav-logo { display: flex; flex-direction: column; align-items: center; gap: 2px; text-decoration: none; }
  .nav-logo-img { height: 68px; width: auto; display: block; }
  .nav-logo-text { font-size: 0.68rem; font-weight: 600; color: var(--gray-600); line-height: 1.2; text-align: center; margin-top: 3px; letter-spacing: 0.01em; }
  .nav-logo-sub { display: none; }
  .nav-links { display: flex; gap: 28px; list-style: none; }
  .nav-links a { text-decoration: none; color: #94a3b8; font-size: 0.9rem; font-weight: 500; transition: color .2s; }
  .nav-links a:hover { color: var(--logo-sky); }
  .nav-cta {
    background: var(--orange); color: white; border: none;
    padding: 10px 22px; border-radius: 6px; font-size: 0.88rem; font-weight: 600;
    cursor: pointer; text-decoration: none; transition: background .2s;
  }
  .nav-cta:hover { background: var(--orange-dark); }
  .hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: var(--blue); background: none; border: none; }

  /* HERO */
  #hero {
    min-height: 100vh;
    background: linear-gradient(145deg, #060a12 0%, #0b1525 40%, #0f1e38 70%, #071220 100%);
    display: flex; align-items: center;
    padding: 112px 5% 60px;
    position: relative; overflow: hidden;
  }
  #hero::after {
    content: '';
    position: absolute; top: -200px; right: -100px;
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(74,184,232,0.08) 0%, transparent 70%);
    pointer-events: none;
  }
  #hero::before {
    content: '';
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  }
  .hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; }
  .hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(74,184,232,0.12); border: 1px solid rgba(74,184,232,0.35);
    color: #4ab8e8; padding: 6px 16px; border-radius: 100px;
    font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em;
    text-transform: uppercase; margin-bottom: 24px;
  }
  .hero-h1 { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 800; color: white; line-height: 1.18; margin-bottom: 20px; margin-top: 4px; }
  .hero-h1 span { color: var(--orange); }
  .hero-sub { font-size: 1.1rem; color: rgba(255,255,255,0.78); margin-bottom: 36px; max-width: 480px; }
  .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
  .btn-primary {
    background: var(--orange); color: white; border: none;
    padding: 14px 28px; border-radius: 8px; font-size: 0.97rem; font-weight: 700;
    cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
    transition: all .2s; box-shadow: 0 4px 14px rgba(249,115,22,0.4);
  }
  .btn-primary:hover { background: var(--orange-dark); transform: translateY(-1px); }
  .btn-outline {
    background: transparent; color: white;
    border: 2px solid rgba(255,255,255,0.4);
    padding: 13px 28px; border-radius: 8px; font-size: 0.97rem; font-weight: 600;
    cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
    transition: all .2s;
  }
  .btn-outline:hover { border-color: white; background: rgba(255,255,255,0.08); }
  .hero-stats { display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap; }
  .hero-stat { }
  .hero-stat-num { font-size: 1.9rem; font-weight: 800; color: var(--orange); }
  .hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.65); margin-top: 2px; }
  .hero-right {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(74,184,232,0.2);
    border-radius: var(--radius-lg); padding: 32px;
    backdrop-filter: blur(16px);
    box-shadow: 0 0 60px rgba(74,184,232,0.06), inset 0 1px 0 rgba(74,184,232,0.1);
  }
  .hero-right h3 { color: white; font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }
  .quick-calc-row { margin-bottom: 16px; }
  .quick-calc-row label { display: block; color: rgba(255,255,255,0.75); font-size: 0.82rem; margin-bottom: 6px; font-weight: 500; }
  .quick-calc-row input, .quick-calc-row select {
    width: 100%; background: rgba(0,0,0,0.35); border: 1px solid rgba(74,184,232,0.2);
    color: white; padding: 10px 14px; border-radius: 8px; font-size: 0.93rem;
    outline: none; transition: border .2s; color-scheme: dark;
  }
  .quick-calc-row input:focus, .quick-calc-row select:focus { border-color: var(--logo-sky); }
  .quick-calc-row input::placeholder { color: rgba(255,255,255,0.3); }
  .quick-calc-row select option { background: #0b1525; color: white; }
  .savings-preview {
    background: rgba(34,211,160,0.08); border: 1px solid rgba(34,211,160,0.25);
    border-radius: 10px; padding: 16px; margin: 20px 0;
    display: flex; justify-content: space-between; align-items: center;
  }
  .savings-preview-label { color: rgba(255,255,255,0.7); font-size: 0.82rem; }
  .savings-preview-value { color: #4ade80; font-size: 1.4rem; font-weight: 800; }

  /* TRUST BAR */
  .trust-bar {
    background: #0d1220;
    border-top: 1px solid rgba(74,184,232,0.1);
    border-bottom: 1px solid rgba(74,184,232,0.1);
    padding: 16px 5%;
  }
  .trust-bar-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; }
  .trust-item { display: flex; align-items: center; gap: 8px; color: #7aa8c7; font-size: 0.83rem; font-weight: 500; }
  .trust-icon { font-size: 1.1rem; }

  /* SECTIONS */
  section { padding: 80px 5%; }
  .section-inner { max-width: 1200px; margin: 0 auto; }
  .section-eyebrow {
    display: inline-block; color: var(--logo-sky); font-size: 0.8rem; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 12px;
  }
  .section-title { font-size: clamp(1.6rem, 2.5vw, 2.4rem); font-weight: 800; color: var(--text-primary); margin-bottom: 16px; line-height: 1.2; }
  .section-sub { font-size: 1.05rem; color: var(--text-secondary); max-width: 580px; }
  .section-header { margin-bottom: 52px; }
  .section-header.center { text-align: center; }
  .section-header.center .section-sub { margin: 0 auto; }

  /* ABOUT */
  #about { background: var(--bg-surface); }
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
  .about-img {
    background: linear-gradient(135deg, #060e1f 0%, #0b1830 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg); aspect-ratio: 4/3;
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem; position: relative; overflow: hidden;
  }
  .about-img::after {
    content: '';
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-opacity='0.05'%3E%3Ccircle cx='20' cy='20' r='10'/%3E%3C/g%3E%3C/svg%3E");
  }
  .about-badges { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
  .about-badge {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 10px; padding: 16px; text-align: center;
  }
  .about-badge-num { font-size: 1.6rem; font-weight: 800; color: var(--logo-sky); }
  .about-badge-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 2px; }
  .about-list { list-style: none; margin-top: 24px; }
  .about-list li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; font-size: 0.95rem; color: var(--text-secondary); }
  .about-list li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

  /* PRODUCTS */
  #products { background: var(--bg-base); }
  .products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .product-card {
    background: var(--bg-card); border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden; transition: all .25s;
    box-shadow: var(--shadow-sm);
  }
  .product-card:hover { transform: translateY(-4px); box-shadow: 0 8px 40px rgba(74,184,232,0.15); border-color: rgba(74,184,232,0.45); }
  .product-img {
    height: 160px; display: flex; align-items: center; justify-content: center;
    font-size: 3.5rem; position: relative;
  }
  .product-img-ab { background: linear-gradient(135deg, #0c1a35, #0e2040); }
  .product-img-abb { background: linear-gradient(135deg, #1a1208, #1f1608); }
  .product-img-epe { background: linear-gradient(135deg, #071a12, #0a201a); }
  .product-img-epep { background: linear-gradient(135deg, #1a0814, #200a18); }
  .product-img-epef { background: linear-gradient(135deg, #100d22, #150f2a); }
  .product-img-cust { background: linear-gradient(135deg, #1a0808, #200c0c); }
  .product-body { padding: 20px 24px 24px; }
  .product-tag {
    display: inline-block; background: rgba(74,184,232,0.12); color: var(--logo-sky);
    font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 100px;
    margin-bottom: 10px; letter-spacing: 0.04em;
  }
  .product-name { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
  .product-desc { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 14px; }
  .product-specs { list-style: none; margin-bottom: 16px; }
  .product-specs li { font-size: 0.82rem; color: var(--text-secondary); padding: 3px 0; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; }
  .product-specs li span { font-weight: 600; color: var(--text-primary); }
  .product-apps { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 16px; }
  .product-app {
    background: rgba(255,255,255,0.06); color: var(--text-secondary);
    font-size: 0.72rem; padding: 3px 8px; border-radius: 100px;
  }
  .btn-sm {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--blue); color: white;
    padding: 9px 18px; border-radius: 6px; font-size: 0.83rem; font-weight: 600;
    cursor: pointer; text-decoration: none; border: none; transition: background .2s;
    width: 100%; justify-content: center;
  }
  .btn-sm:hover { background: var(--blue-mid); }

  /* INDUSTRIES */
  #industries { background: var(--bg-surface); }
  .industries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .industry-card {
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-card);
    padding: 28px 22px; text-align: center; transition: all .25s; cursor: default;
  }
  .industry-card:hover { border-color: rgba(74,184,232,0.5); background: rgba(74,184,232,0.06); }
  .industry-icon { font-size: 2.5rem; margin-bottom: 14px; display: block; }
  .industry-name { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
  .industry-desc { font-size: 0.83rem; color: var(--text-secondary); }

  /* CALCULATOR */
  #calculator { background: var(--bg-base); }
  .calc-container {
    background: var(--bg-card); border-radius: var(--radius-lg);
    box-shadow: 0 0 60px rgba(74,184,232,0.08); border: 1px solid var(--border-mid); overflow: hidden;
  }
  .calc-tabs {
    display: flex; border-bottom: 1px solid var(--border);
    background: var(--bg-base);
  }
  .calc-tab {
    flex: 1; padding: 16px; border: none; background: none;
    font-size: 0.9rem; font-weight: 600; color: var(--text-secondary);
    cursor: pointer; transition: all .2s; border-bottom: 3px solid transparent;
  }
  .calc-tab.active { color: var(--logo-sky); border-bottom-color: var(--logo-sky); background: var(--bg-card); }
  .calc-body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
  .calc-inputs { padding: 32px; border-right: 1px solid var(--border); }
  .calc-results { padding: 32px; background: var(--bg-card2); }
  .form-group { margin-bottom: 20px; }
  .form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-primary); margin-bottom: 7px; }
  .form-group input, .form-group select {
    width: 100%; border: 1.5px solid var(--border-mid);
    border-radius: 8px; padding: 11px 14px;
    font-size: 0.93rem; color: var(--text-primary);
    outline: none; transition: border .2s;
    background: var(--bg-base);
    color-scheme: dark;
  }
  .form-group input:focus, .form-group select:focus { border-color: var(--logo-sky); }
  .form-group select option { background: var(--bg-surface); color: var(--text-primary); }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .input-prefix-wrap { position: relative; }
  .input-prefix {
    position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    color: var(--text-secondary); font-size: 0.9rem; pointer-events: none;
  }
  .input-prefix-wrap input { padding-left: 28px; }
  .results-header { margin-bottom: 20px; }
  .results-header h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
  .results-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
  .result-card {
    background: var(--bg-base); border-radius: 10px; padding: 14px;
    border: 1px solid var(--border); text-align: center;
  }
  .result-card.green { background: rgba(34,211,160,0.1); border-color: rgba(34,211,160,0.3); }
  .result-card.blue-light { background: rgba(74,184,232,0.08); border-color: rgba(74,184,232,0.25); }
  .result-label { font-size: 0.75rem; color: var(--text-secondary); font-weight: 500; margin-bottom: 4px; }
  .result-value { font-size: 1.25rem; font-weight: 800; color: var(--text-primary); }
  .result-card.green .result-value { color: #22d3a0; }
  .result-card.big { grid-column: span 2; background: linear-gradient(135deg, var(--green), #15803d); padding: 20px; }
  .result-card.big .result-label { color: rgba(255,255,255,0.8); }
  .result-card.big .result-value { color: white; font-size: 2rem; }
  .result-card.big .result-sub { color: rgba(255,255,255,0.7); font-size: 0.8rem; margin-top: 4px; }
  .chart-wrap { margin-top: 16px; }
  .chart-wrap h4 { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }

  /* SAVINGS TABLE */
  .savings-table-section { margin-top: 48px; }
  .savings-table-section h3 { font-size: 1.2rem; font-weight: 700; color: var(--blue); margin-bottom: 20px; }
  .savings-table { width: 100%; border-collapse: collapse; background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
  .savings-table th { background: linear-gradient(90deg, #0a1628, #0d1e38); color: var(--logo-sky); padding: 14px 20px; text-align: left; font-size: 0.86rem; font-weight: 600; border-bottom: 1px solid var(--border-mid); }
  .savings-table td { padding: 13px 20px; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 0.9rem; color: var(--text-primary); }
  .savings-table tr:hover td { background: rgba(74,184,232,0.04); }
  .savings-table .green-val { color: var(--green); font-weight: 700; }

  /* LEAD FORM */
  #lead { background: linear-gradient(135deg, #07111f 0%, #0d1e38 50%, #071220 100%); border-top: 1px solid rgba(74,184,232,0.12); border-bottom: 1px solid rgba(74,184,232,0.12); }
  .lead-inner { max-width: 800px; margin: 0 auto; text-align: center; }
  .lead-inner .section-title { color: white; }
  .lead-inner .section-sub { color: rgba(255,255,255,0.7); margin: 0 auto 40px; }
  .lead-form {
    background: var(--bg-card); border-radius: var(--radius-lg);
    padding: 40px; box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-mid);
  }
  .lead-form .form-row { grid-template-columns: 1fr 1fr; margin-bottom: 16px; }
  .lead-form .form-group { margin-bottom: 0; }
  .lead-form .form-group input {
    border: 1.5px solid var(--border-mid); border-radius: 8px;
    padding: 13px 14px; font-size: 0.95rem;
    width: 100%; outline: none; transition: border .2s;
    background: var(--bg-base); color: var(--text-primary);
  }
  .lead-form .form-group input::placeholder { color: var(--text-muted); }
  .lead-form .form-group input:focus { border-color: var(--logo-sky); }
  .btn-lead {
    width: 100%; margin-top: 20px;
    background: var(--orange); color: white; border: none;
    padding: 16px; border-radius: 8px; font-size: 1rem; font-weight: 700;
    cursor: pointer; transition: background .2s;
  }
  .btn-lead:hover { background: var(--orange-dark); }
  .lead-note { margin-top: 14px; font-size: 0.82rem; color: var(--text-muted); }

  /* TESTIMONIALS */
  #testimonials { background: var(--bg-surface); }
  .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .testimonial-card {
    background: var(--bg-card); border-radius: var(--radius); padding: 28px;
    border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  }
  .stars { color: #f59e0b; font-size: 1rem; margin-bottom: 12px; }
  .testimonial-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
  .testimonial-author { display: flex; align-items: center; gap: 12px; }
  .author-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--blue-light));
    display: flex; align-items: center; justify-content: center;
    color: white; font-weight: 700; font-size: 1rem;
  }
  .author-name { font-weight: 700; color: var(--text-primary); font-size: 0.9rem; }
  .author-role { font-size: 0.78rem; color: var(--gray-400); }

  /* CERTIFICATIONS */
  #certifications { background: var(--bg-base); }
  .cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .cert-card {
    border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 16px;
    text-align: center; transition: all .25s;
    background: var(--bg-card);
  }
  .cert-card:hover { border-color: rgba(74,184,232,0.5); background: rgba(74,184,232,0.05); }
  .cert-icon { font-size: 2.5rem; margin-bottom: 12px; display: block; }
  .cert-name { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
  .cert-desc { font-size: 0.78rem; color: var(--text-secondary); }

  /* FAQ */
  #faq { background: var(--bg-surface); }
  .faq-list { max-width: 760px; margin: 0 auto; }
  .faq-item {
    background: var(--bg-card); border-radius: 10px; margin-bottom: 12px;
    border: 1px solid var(--border); overflow: hidden;
  }
  .faq-q {
    width: 100%; text-align: left; padding: 18px 22px;
    background: none; border: none; cursor: pointer;
    font-size: 0.95rem; font-weight: 600; color: var(--text-primary);
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
  }
  .faq-q .arrow { font-size: 1.1rem; transition: transform .2s; color: var(--text-muted); flex-shrink: 0; }
  .faq-q.open .arrow { transform: rotate(180deg); color: var(--blue-light); }
  .faq-a { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s; }
  .faq-a.open { max-height: 200px; padding: 0 22px 18px; }
  .faq-a p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

  /* FOOTER */
  footer {
    background: #060a12; color: rgba(255,255,255,0.65); border-top: 1px solid rgba(74,184,232,0.12);
    padding: 60px 5% 30px;
  }
  .footer-inner { max-width: 1200px; margin: 0 auto; }
  .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
  .footer-brand-name { font-size: 1.1rem; font-weight: 700; color: white; margin-bottom: 4px; }
  .footer-brand-tagline { font-size: 0.83rem; margin-bottom: 16px; }
  .footer-contact-item { font-size: 0.83rem; margin-bottom: 8px; display: flex; align-items: flex-start; gap: 8px; }
  .footer-col h4 { color: white; font-size: 0.9rem; font-weight: 700; margin-bottom: 16px; }
  .footer-links { list-style: none; }
  .footer-links li { margin-bottom: 8px; }
  .footer-links a { color: rgba(255,255,255,0.65); text-decoration: none; font-size: 0.84rem; transition: color .2s; }
  .footer-links a:hover { color: var(--orange); }
  .footer-divider { border-color: rgba(74,184,232,0.1); margin-bottom: 24px; }
  .footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.82rem; }
  .footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; }

  /* MODAL */
  .modal-overlay {
    display: none; position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.75); align-items: center; justify-content: center;
    padding: 20px;
  }
  .modal-overlay.show { display: flex; }
  .modal {
    background: var(--bg-card); border: 1px solid var(--border-mid); border-radius: var(--radius-lg); width: 100%; max-width: 480px;
    padding: 36px; box-shadow: 0 20px 60px rgba(0,0,0,0.7); position: relative;
    animation: slideUp .3s ease;
  }
  @keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
  .modal-close {
    position: absolute; top: 16px; right: 16px; background: none; border: none;
    font-size: 1.4rem; cursor: pointer; color: var(--gray-400); transition: color .2s;
  }
  .modal-close:hover { color: var(--blue); }
  .modal h2 { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
  .modal p { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 24px; }
  .modal .form-group { margin-bottom: 14px; }
  .modal .form-group input { background: var(--bg-base); color: var(--text-primary); border-color: var(--border-mid); }
  .modal .form-group input::placeholder { color: var(--text-muted); }
  .success-msg {
    display: none; background: var(--green-light);
    border: 1px solid #86efac; border-radius: 8px; padding: 16px;
    text-align: center; color: var(--green); font-weight: 600; font-size: 0.93rem;
  }
  .success-msg.show { display: block; }

  /* SCROLL ANIMATIONS */
  .fade-up { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
  .fade-up.visible { opacity: 1; transform: translateY(0); }

  /* RESPONSIVE */
  @media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-right { max-width: 520px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: block; }
    .about-grid { grid-template-columns: 1fr; }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .calc-body { grid-template-columns: 1fr; }
    .calc-inputs { border-right: none; border-bottom: 1px solid var(--border); }

    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .results-cards { grid-template-columns: 1fr; }
    .result-card.big { grid-column: span 1; }
    .form-row { grid-template-columns: 1fr; }
    #manufacturing .section-inner > div:first-of-type + div { grid-template-columns: 1fr !important; }
  }
  @media (max-width: 480px) {
    .nav-logo-img { height: 54px; }
    .nav-logo-text { font-size: 0.55rem !important; }
    .nav-email-text { display: none; }
    .products-grid { grid-template-columns: 1fr; }
    .industries-grid { grid-template-columns: 1fr; }
    .hero-stats { gap: 20px; }
  }

/* ============ SUBPAGE ADDITIONS (same design language) ============ */
.crumb { max-width:1200px; margin:0 auto; padding:96px 0 0; font-size:0.82rem; color:var(--text-muted); }
.crumb a { color:var(--text-secondary); text-decoration:none; }
.crumb a:hover { color:var(--blue-light); }
.page-hero { padding:28px 5% 64px; background:
  radial-gradient(ellipse at 75% 10%, rgba(30,77,155,0.35) 0%, transparent 55%),
  radial-gradient(ellipse at 15% 90%, rgba(74,184,232,0.12) 0%, transparent 50%),
  var(--bg-base); border-bottom:1px solid var(--border); }
.page-hero .hero-sub { max-width:640px; }
.sub-section { padding:64px 5%; }
.sub-section.alt { background:var(--bg-surface); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.spec-table { width:100%; border-collapse:collapse; max-width:760px; background:var(--bg-card);
  border:1px solid var(--border-mid); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-md); }
.spec-table th, .spec-table td { padding:14px 20px; text-align:left; font-size:0.92rem; border-bottom:1px solid var(--border); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom:none; }
.spec-table th { color:var(--blue-light); font-weight:700; width:220px; background:rgba(74,184,232,0.05); }
.spec-table td { color:var(--text-secondary); }
ul.checks { list-style:none; max-width:760px; display:grid; gap:12px; }
ul.checks li { position:relative; padding:14px 18px 14px 46px; background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); color:var(--text-secondary); font-size:0.93rem; }
ul.checks li::before { content:"✓"; position:absolute; left:18px; top:13px; color:var(--green); font-weight:800; font-size:1rem; }
.cards-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(230px, 1fr)); gap:20px; }
.cards-grid .industry-card h3 { margin:0; }
.cards-grid .industry-card h3 a { color:inherit; text-decoration:none; }
.cards-grid .industry-card h3 a:hover { color:var(--blue-light); }
.cities { display:flex; flex-wrap:wrap; gap:10px; max-width:900px; }
.cities a { display:inline-block; padding:8px 18px; background:var(--bg-card); border:1px solid var(--border-mid);
  border-radius:100px; color:var(--text-secondary); text-decoration:none; font-size:0.86rem; font-weight:600; transition:all .2s; }
.cities a:hover { color:var(--blue-light); border-color:rgba(74,184,232,0.5); background:rgba(74,184,232,0.06); }
.cta-band { max-width:1200px; margin:0 auto; text-align:center; padding:52px 32px;
  background:linear-gradient(135deg, #12204a 0%, #1a2d6b 55%, #1e4d9b 100%);
  border:1px solid var(--border-mid); border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); }
.cta-band h2 { font-size:clamp(1.4rem,2.2vw,2rem); font-weight:800; color:white; margin-bottom:10px; }
.cta-band p { color:rgba(255,255,255,0.75); margin-bottom:26px; }
.cta-btns { display:flex; gap:14px; flex-wrap:wrap; justify-content:center; }
/* ---- photo slots: drop correctly-named JPGs into /images/ and they appear automatically ---- */
.photo-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr)); gap:20px; }
.photo-slot { position:relative; border-radius:var(--radius); overflow:hidden; border:1px solid var(--border-mid);
  background:var(--bg-card); aspect-ratio:4/3; box-shadow:var(--shadow-md); }
.photo-slot img { width:100%; height:100%; object-fit:cover; display:block; }
.photo-slot figcaption { position:absolute; left:0; right:0; bottom:0; padding:10px 14px; font-size:0.78rem;
  color:#cfe3f5; background:linear-gradient(transparent, rgba(5,10,20,0.85)); }
.photo-slot.ph-empty img { display:none; }
.photo-slot.ph-empty { border-style:dashed; display:flex; align-items:center; justify-content:center; }
.photo-slot.ph-empty::before { content:"📷  " attr(data-file); color:var(--text-muted); font-size:0.8rem;
  text-align:center; padding:0 18px; letter-spacing:0.02em; }
.photo-slot.ph-empty figcaption { display:none; }
@media (max-width:768px){ .crumb{ padding-top:110px; } .spec-table th{ width:140px; } }