    :root {
      --primary: #0b4ea2;
      --navy: #0c2147;
      --navy-deep: #081633;
      --ink: #16233b;
      --muted: #5b6b82;
      --line: #e6ebf2;
      --paper: #f6f9fd;
      --paper-2: #eef4fb;
      --white: #ffffff;
      --silver: #9aa6b6;
      --accent: #f4b400; /* caution-tape yellow accent */
      --shadow-sm: 0 6px 18px rgba(12, 33, 71, 0.06);
      --shadow: 0 20px 48px rgba(12, 33, 71, 0.12);
      --shadow-lg: 0 36px 80px rgba(12, 33, 71, 0.18);
      --radius: 20px;
      --radius-lg: 30px;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: "Manrope", sans-serif;
      color: var(--ink);
      background: var(--white);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, .logo-text { font-family: "Sora", sans-serif; }

    a { text-decoration: none; color: inherit; }
    img { display: block; max-width: 100%; }

    .container { width: min(1200px, 92%); margin: auto; }

    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--primary); font-weight: 800; text-transform: uppercase;
      font-size: 12.5px; letter-spacing: 2px; margin-bottom: 14px;
    }
    .eyebrow::before {
      content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px;
    }

    /* ---------- Header ---------- */
    .header {
      position: sticky; top: 0; z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
    }
    .navbar { height: 78px; display: flex; align-items: center; justify-content: space-between; }
    .logo { display: flex; align-items: center; gap: 12px; }
    .logo img { width: 46px; height: 46px; }
    .logo-full { width: auto !important; height: 50px !important; }
    .footer .logo-full { height: 46px !important; }
    .logo-text { display: flex; flex-direction: column; line-height: 1; }
    .logo-text strong { font-size: 21px; font-weight: 800; color: var(--navy); letter-spacing: 1px; }
    .logo-text small { font-size: 10.5px; font-weight: 700; color: var(--primary); letter-spacing: 2.5px; margin-top: 3px; }

    .nav-links { display: flex; align-items: center; gap: 30px; font-size: 15px; font-weight: 600; }
    .nav-links a:not(.btn) { position: relative; color: var(--ink); }
    .nav-links a:not(.btn)::after {
      content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
      background: var(--primary); transition: width .3s ease;
    }
    .nav-links a:not(.btn):hover { color: var(--primary); }
    .nav-links a:not(.btn):hover::after { width: 100%; }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 9px;
      padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
      transition: .28s ease; border: 1.5px solid transparent; cursor: pointer; font-family: inherit;
    }
    .btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 14px 30px rgba(11, 78, 162, 0.28); }
    .btn-primary:hover { background: var(--navy); transform: translateY(-2px); }
    .btn-ghost { background: transparent; color: var(--navy); border-color: rgba(12, 33, 71, 0.18); }
    .btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
    .btn-light { background: var(--white); color: var(--primary); }
    .btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

    .menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
    .menu-toggle span { display: block; width: 26px; height: 2.5px; background: var(--navy); margin: 5px 0; border-radius: 3px; transition: .3s; }

    /* ---------- Hero ---------- */
    .hero {
      position: relative; overflow: hidden;
      background:
        radial-gradient(1100px 480px at 88% -10%, rgba(11,78,162,0.16), transparent 60%),
        linear-gradient(180deg, var(--paper), var(--white));
      padding: 84px 0 78px;
    }
    .hero::after {
      content: ""; position: absolute; left: -120px; bottom: -120px;
      width: 320px; height: 320px; border-radius: 50%;
      background: radial-gradient(circle, rgba(244,180,0,0.16), transparent 70%);
    }
    .hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }

    .hero h1 {
      font-size: clamp(38px, 5vw, 64px); font-weight: 800; line-height: 1.04;
      letter-spacing: -1.5px; color: var(--navy); margin-bottom: 20px;
    }
    .hero h1 span { color: var(--primary); position: relative; }
    .hero h1 span::after {
      content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 12px;
      background: rgba(244,180,0,0.35); z-index: -1; border-radius: 3px;
    }
    .hero p { font-size: 18px; color: var(--muted); max-width: 560px; margin-bottom: 32px; }
    .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }

    .trust-row { display: flex; gap: 30px; flex-wrap: wrap; }
    .trust-row .t { display: flex; flex-direction: column; }
    .trust-row strong { font-family: "Sora"; font-size: 26px; color: var(--navy); font-weight: 800; }
    .trust-row span { font-size: 13px; color: var(--muted); font-weight: 600; }

    /* hero collage */
    .hero-visual { position: relative; }
    .hero-main {
      border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
      aspect-ratio: 4/3.4; background: var(--paper-2); position: relative;
    }
    .hero-main img { width: 100%; height: 100%; object-fit: cover; }
    .hero-tag {
      position: absolute; left: 18px; bottom: 18px; right: 18px;
      background: rgba(8, 22, 51, 0.78); backdrop-filter: blur(8px);
      color: #fff; padding: 16px 18px; border-radius: 16px;
      display: flex; align-items: center; gap: 14px;
    }
    .hero-tag .dot { width: 42px; height: 42px; border-radius: 12px; background: var(--accent); display: grid; place-items: center; font-size: 22px; flex: 0 0 42px; }
    .hero-tag h4 { font-size: 16px; margin-bottom: 2px; }
    .hero-tag p { font-size: 13px; color: rgba(255,255,255,.8); margin: 0; }

    .hero-pop {
      position: absolute; top: -26px; left: -26px; width: 130px; height: 130px;
      border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); border: 5px solid #fff;
    }
    .hero-pop img { width: 100%; height: 100%; object-fit: cover; }
    .hero-chip {
      position: absolute; top: 30px; right: -16px; background: #fff;
      padding: 12px 18px; border-radius: 14px; box-shadow: var(--shadow);
      font-weight: 700; color: var(--navy); font-size: 14px; display: flex; align-items: center; gap: 8px;
    }
    .hero-chip b { color: var(--primary); }

    /* ---------- Marquee ---------- */
    .marquee { background: var(--navy); color: #fff; padding: 16px 0; overflow: hidden; }
    .marquee-track { display: flex; gap: 56px; white-space: nowrap; animation: scroll 26s linear infinite; }
    .marquee-track span { font-weight: 700; font-size: 15px; letter-spacing: .5px; display: inline-flex; align-items: center; gap: 12px; color: rgba(255,255,255,.92); }
    .marquee-track span::before { content: "◆"; color: var(--accent); font-size: 11px; }
    @keyframes scroll { to { transform: translateX(-50%); } }

    /* ---------- Sections ---------- */
    section { padding: 92px 0; }
    .section-head { max-width: 720px; margin: 0 auto 54px; text-align: center; }
    .section-head .eyebrow { justify-content: center; }
    .section-head h2 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; color: var(--navy); line-height: 1.12; letter-spacing: -1px; margin-bottom: 14px; }
    .section-head p { color: var(--muted); font-size: 17px; }

    /* ---------- Products ---------- */
    .product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
    .product-card {
      background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
      overflow: hidden; transition: .32s ease; display: flex; flex-direction: column;
    }
    .product-card:hover { transform: translateY(-10px); box-shadow: var(--shadow); border-color: rgba(11,78,162,.2); }
    .product-media { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--paper-2); }
    .product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
    .product-card:hover .product-media img { transform: scale(1.07); }
    .product-badge {
      position: absolute; top: 14px; left: 14px; background: rgba(8,22,51,.82); color: #fff;
      font-size: 11.5px; font-weight: 700; letter-spacing: .5px; padding: 6px 12px; border-radius: 999px; backdrop-filter: blur(6px);
    }
    .product-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
    .product-body h3 { font-size: 20px; color: var(--navy); margin-bottom: 8px; }
    .product-body p { color: var(--muted); font-size: 14.5px; margin-bottom: 16px; flex: 1; }
    .product-tags { display: flex; flex-wrap: wrap; gap: 7px; }
    .product-tags em {
      font-style: normal; font-size: 12px; font-weight: 600; color: var(--primary);
      background: var(--paper-2); padding: 5px 11px; border-radius: 999px;
    }

    /* ---------- About ---------- */
    .about { background: var(--paper); }
    .about-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 58px; align-items: center; }
    .about-visual { position: relative; }
    .about-visual .img-main { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3.6; }
    .about-visual .img-main img { width: 100%; height: 100%; object-fit: cover; }
    .about-visual .img-float {
      position: absolute; right: -22px; bottom: -28px; width: 46%; border-radius: 20px;
      overflow: hidden; box-shadow: var(--shadow); border: 6px solid #fff; aspect-ratio: 1/1;
    }
    .about-visual .img-float img { width: 100%; height: 100%; object-fit: cover; }
    .about-visual .years {
      position: absolute; top: -22px; left: -22px; background: var(--navy); color: #fff;
      border-radius: 18px; padding: 16px 20px; box-shadow: var(--shadow); text-align: center;
    }
    .about-visual .years strong { font-family: "Sora"; font-size: 30px; display: block; line-height: 1; }
    .about-visual .years span { font-size: 12px; color: rgba(255,255,255,.78); font-weight: 600; }

    .about-content h2 { font-size: clamp(30px, 4vw, 44px); color: var(--navy); line-height: 1.14; letter-spacing: -1px; margin-bottom: 18px; }
    .about-content > p { color: var(--muted); font-size: 16.5px; margin-bottom: 16px; }
    .check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
    .check-item { display: flex; gap: 11px; align-items: flex-start; font-weight: 600; font-size: 14.5px; color: var(--ink); }
    .check-item span {
      width: 24px; height: 24px; border-radius: 8px; display: grid; place-items: center;
      color: #fff; background: var(--primary); flex: 0 0 24px; font-size: 13px; margin-top: 2px;
    }

    /* ---------- Why ---------- */
    .why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .why-card {
      background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
      padding: 32px 30px; box-shadow: var(--shadow-sm); transition: .3s ease;
    }
    .why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
    .why-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--paper-2); color: var(--primary); display: grid; place-items: center; font-size: 24px; margin-bottom: 18px; }
    .why-card h3 { color: var(--navy); margin-bottom: 9px; font-size: 19px; }
    .why-card p { color: var(--muted); font-size: 14.5px; }

    /* ---------- Industries ---------- */
    .industries { background: linear-gradient(140deg, var(--navy) 0%, var(--primary) 130%); color: #fff; position: relative; overflow: hidden; }
    .industries::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px); background-size: 22px 22px; opacity: .5; }
    .industries .section-head h2, .industries .section-head .eyebrow { color: #fff; }
    .industries .section-head p { color: rgba(255,255,255,.82); }
    .industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
    .industry-card {
      background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 16px;
      padding: 26px 22px; font-weight: 700; font-size: 16px; backdrop-filter: blur(8px); transition: .3s ease;
      display: flex; align-items: center; gap: 12px;
    }
    .industry-card:hover { background: rgba(255,255,255,.16); transform: translateY(-4px); }
    .industry-card i { font-style: normal; font-size: 22px; }

    /* ---------- CTA ---------- */
    .cta { background: var(--paper); }
    .cta-box {
      background: linear-gradient(135deg, var(--navy), var(--navy-deep)); color: #fff;
      border-radius: var(--radius-lg); padding: 56px; box-shadow: var(--shadow-lg);
      display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; position: relative; overflow: hidden;
    }
    .cta-box::before { content: ""; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px; border-radius: 50%; background: radial-gradient(circle, rgba(244,180,0,.22), transparent 70%); }
    .cta-box h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.12; margin-bottom: 12px; position: relative; }
    .cta-box p { color: rgba(255,255,255,.82); font-size: 17px; position: relative; max-width: 540px; }
    .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; }

    /* ---------- Contact ---------- */
    .contact-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 40px; align-items: start; }
    .contact-info { background: linear-gradient(160deg, var(--navy), var(--navy-deep)); color: #fff; border-radius: var(--radius-lg); padding: 40px; }
    .contact-info h3 { font-size: 26px; margin-bottom: 12px; }
    .contact-info > p { color: rgba(255,255,255,.78); margin-bottom: 28px; font-size: 15px; }
    .contact-line { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.12); }
    .contact-line .ic { width: 40px; height: 40px; border-radius: 11px; background: rgba(255,255,255,.1); display: grid; place-items: center; font-size: 18px; flex: 0 0 40px; }
    .contact-line .meta small { display: block; font-size: 12px; color: rgba(255,255,255,.62); font-weight: 600; text-transform: uppercase; letter-spacing: .8px; }
    .contact-line .meta b { font-size: 15.5px; font-weight: 700; }

    .contact-form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 38px; box-shadow: var(--shadow); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-group { margin-bottom: 4px; }
    label { display: block; font-weight: 700; color: var(--navy); margin-bottom: 7px; font-size: 13.5px; }
    input, select, textarea {
      width: 100%; border: 1.5px solid var(--line); border-radius: 13px; padding: 13px 15px;
      font-family: inherit; font-size: 15px; outline: none; transition: .25s ease; background: var(--white); color: var(--ink);
    }
    input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(11,78,162,.1); }
    textarea { min-height: 110px; resize: vertical; }
    .full { grid-column: 1 / -1; }
    .form-note { font-size: 13px; color: var(--muted); margin-top: 4px; }

    /* ---------- Footer ---------- */
    .footer { background: var(--navy-deep); color: #fff; padding: 64px 0 26px; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 38px; margin-bottom: 40px; }
    .footer .logo img { width: 42px; height: 42px; }
    .footer .logo-text strong { color: #fff; }
    .footer-about { color: rgba(255,255,255,.66); font-size: 14px; margin-top: 16px; max-width: 320px; }
    .footer h4 { margin-bottom: 18px; font-size: 16px; }
    .footer-col a, .footer-col p { color: rgba(255,255,255,.66); display: block; margin-bottom: 11px; font-size: 14px; }
    .footer-col a:hover { color: var(--accent); }
    .footer-col p { display: flex; gap: 9px; align-items: flex-start; }
    .copyright { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; text-align: center; color: rgba(255,255,255,.55); font-size: 13.5px; }
    .copyright a { color: rgba(255,255,255,.8); }

    /* float whatsapp */
    .wa-float {
      position: fixed; right: 22px; bottom: 22px; z-index: 1200; width: 58px; height: 58px;
      border-radius: 50%; background: #25d366; display: grid; place-items: center;
      box-shadow: 0 12px 30px rgba(37,211,102,.45); transition: .3s ease;
    }
    .wa-float:hover { transform: scale(1.08); }
    .wa-float svg { width: 30px; height: 30px; fill: #fff; }

    /* reveal animation */
    .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
    .reveal.in { opacity: 1; transform: none; }

    /* ---------- Responsive ---------- */
    @media (max-width: 1024px) {
      .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
      .hero-visual { max-width: 520px; margin: 0 auto; }
      .product-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .cta-box { grid-template-columns: 1fr; }
      .about-visual { max-width: 460px; margin: 0 auto 30px; }
    }
    @media (max-width: 760px) {
      .logo-full { height: 40px !important; }
      .nav-links {
        position: absolute; top: 78px; left: 0; right: 0; flex-direction: column;
        background: #fff; padding: 22px; gap: 16px; border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow); display: none;
      }
      .nav-links.open { display: flex; }
      .menu-toggle { display: block; }
      section { padding: 64px 0; }
      .hero { padding: 56px 0; }
      .product-grid, .why-grid, .industry-grid, .form-grid, .check-list, .footer-grid { grid-template-columns: 1fr; }
      .cta-box, .contact-info, .contact-form { padding: 30px; }
      .about-visual .img-float { position: static; width: 60%; margin: 16px auto 0; }
      .about-visual .years { top: -12px; left: -8px; }
      .trust-row { gap: 22px; }
    }

    /* ---------- Page hero (sub-pages) ---------- */
    .page-hero {
      background:
        radial-gradient(900px 360px at 88% -20%, rgba(11,78,162,0.16), transparent 60%),
        linear-gradient(180deg, var(--paper), var(--white));
      padding: 64px 0 56px; border-bottom: 1px solid var(--line);
    }
    .page-hero h1 { font-size: clamp(32px, 4.4vw, 52px); color: var(--navy); letter-spacing: -1px; line-height: 1.08; margin-bottom: 14px; max-width: 760px; }
    .page-hero p { color: var(--muted); font-size: 17px; max-width: 640px; }
    .breadcrumb { font-size: 13.5px; color: var(--muted); font-weight: 600; margin-bottom: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
    .breadcrumb a { color: var(--primary); }
    .breadcrumb span { color: var(--silver); }

    /* ---------- Product detail ---------- */
    .pd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
    .pd-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3.4; background: var(--paper-2); position: sticky; top: 100px; }
    .pd-media img { width: 100%; height: 100%; object-fit: cover; }
    .pd-content h2 { font-size: clamp(26px, 3vw, 36px); color: var(--navy); letter-spacing: -.5px; margin: 30px 0 14px; }
    .pd-content h2:first-child { margin-top: 0; }
    .pd-content p { color: var(--muted); font-size: 16px; margin-bottom: 14px; }
    .pd-content ul { list-style: none; display: grid; gap: 12px; margin: 8px 0 8px; }
    .pd-content ul li { display: flex; gap: 11px; align-items: flex-start; font-size: 15px; color: var(--ink); font-weight: 500; }
    .pd-content ul li::before { content: "✓"; color: #fff; background: var(--primary); width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center; font-size: 12px; flex: 0 0 22px; margin-top: 2px; }
    .spec-table { width: 100%; border-collapse: collapse; margin: 10px 0 22px; font-size: 14.5px; }
    .spec-table th, .spec-table td { text-align: left; padding: 12px 14px; border: 1px solid var(--line); }
    .spec-table th { background: var(--paper-2); color: var(--navy); font-family: "Sora"; width: 38%; font-weight: 700; }
    .pd-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
    .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 24px; }
    .tag-row em { font-style: normal; font-size: 12.5px; font-weight: 600; color: var(--primary); background: var(--paper-2); padding: 6px 13px; border-radius: 999px; }

    /* ---------- Related products ---------- */
    .related { background: var(--paper); }
    .related .product-grid { grid-template-columns: repeat(4, 1fr); }
    @media (max-width: 1024px) { .pd-grid { grid-template-columns: 1fr; } .pd-media { position: static; max-width: 520px; margin: 0 auto; } .related .product-grid { grid-template-columns: repeat(2,1fr); } }
    @media (max-width: 760px) { .related .product-grid { grid-template-columns: 1fr; } }
