:root{
  --bg:#f4f5f7;
  --surface:#ffffff;
  --surface-soft:#f8f8fa;
  --text:#161924;
  --muted:#666e7d;
  --line:#e7e9ee;
  --blue:#0b56d9;
  --red:#e11720;
  --yellow:#f0bf14;
  --shadow:0 8px 28px rgba(17,24,39,.06);
  --radius-xl:22px;
  --radius-lg:18px;
  --radius-md:14px;
  --container:1530px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}

.site-shell{width:min(calc(100% - 24px),var(--container));margin:18px auto;border:1px solid #dfe3ea;border-radius:18px;background:var(--surface);overflow:hidden;box-shadow:0 2px 12px rgba(17,24,39,.03)}
.site-header{display:grid;grid-template-columns:200px 1fr auto;align-items:center;gap:20px;padding:18px 38px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
.brand{display:inline-flex;align-items:center}
.brand img{width:148px}
.site-nav{display:flex;justify-content:center;gap:46px;align-items:center}
.site-nav a{font-size:15px;font-weight:500;letter-spacing:.01em;color:#303748;padding:10px 0;position:relative;transition:color .2s ease}
.site-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-13px;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;border-radius:99px}
.site-nav a.active,.site-nav a:hover{color:var(--blue)}
.site-nav a.active::after,.site-nav a:hover::after{transform:scaleX(1)}
.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font-weight:600;transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease}
.header-cta{height:48px;padding:0 24px;background:var(--blue);color:#fff;min-width:160px}
.header-cta:hover,.btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(11,86,217,.12)}
.header-cta span,.btn span,.section-link span,.product-card a span{font-size:15px}

.menu-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.menu-toggle span{width:20px;height:2px;background:#1d2230;border-radius:2px;transition:.2s ease}

main{content-visibility:auto}
.hero-section{display:grid;grid-template-columns:44% 56%;background:linear-gradient(90deg,#f7f8fa 0%,#f7f8fa 44%, #f6f7f9 44%, #f7f8fa 100%);min-height:650px}
.hero-left{display:grid;grid-template-columns:68px 1fr;gap:28px;padding:72px 32px 60px 76px;align-items:center}
.hero-steps{display:flex;flex-direction:column;align-items:center;gap:24px;font-size:15px;color:#70778a;align-self:center;margin-top:28px}
.hero-steps i{width:2px;height:54px;background:var(--blue);border-radius:99px;display:block}
.hero-steps .active{color:var(--blue);font-weight:600}
.hero-copy h1{margin:0 0 20px;font-size:64px;line-height:.96;letter-spacing:-.05em;font-weight:500}
.hero-copy h1 .blue{color:var(--blue);font-weight:700}
.hero-copy h1 .red{color:var(--red);font-weight:700}
.hero-copy p{margin:0;max-width:590px;font-size:17px;line-height:1.65;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}
.btn{height:54px;padding:0 24px;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff}
.btn-outline{background:#fff;border-color:var(--blue);color:var(--blue)}
.hero-right{position:relative;display:flex;align-items:center;justify-content:center;padding:48px 36px 50px}
.hero-visual-card{width:100%;max-width:900px}
.hero-visual-card img{width:100%;border-radius:0;object-fit:cover}
.video-chip{position:absolute;left:34px;bottom:64px;display:flex;align-items:center;gap:18px;color:#1d2230}
.video-play{width:80px;height:80px;display:grid;place-items:center;border-radius:50%;background:#fff;border:1px solid #d6dbe5;box-shadow:var(--shadow);color:var(--blue);font-size:22px}
.video-chip strong{display:block;font-size:16px;letter-spacing:.01em}
.video-chip small{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

.section-header{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px}
.section-kicker{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;color:#333c4c;font-size:13px;font-weight:500}
.section-kicker span{display:inline-block;width:26px;height:3px;background:var(--red);border-radius:99px}
.section-header h2,.split-copy h2,.contact-banner h2,.inner-hero h1{margin:0 0 12px;font-size:24px;line-height:1.2;letter-spacing:-.03em}
.section-header p,.split-copy p,.contact-banner p,.inner-hero p{margin:0;max-width:620px;color:var(--muted);font-size:16px;line-height:1.65}
.section-link{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:42px;padding:0 20px;border:1px solid #d9dee8;border-radius:999px;color:#5c6373;background:#fff;white-space:nowrap;margin-top:16px}

.products-section,.certifications-section,.split-section,.contact-banner,.inner-hero,.contact-layout,.info-grid{padding-inline:54px}
.products-section{padding-top:30px;padding-bottom:44px;background:#fff}
.product-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.product-card{background:var(--surface-soft);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:0 1px 2px rgba(17,24,39,.03)}
.product-card img{width:100%;aspect-ratio:1.2/1;object-fit:cover;border-radius:12px;background:#fff}
.product-card h3{margin:20px 0 10px;font-size:18px;color:var(--blue);line-height:1;font-weight:700}
.product-card p{margin:0;min-height:48px;color:#5e6677;font-size:15px;line-height:1.5}
.product-card a{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--red);font-weight:500;font-size:15px}
.full-grid{padding-top:0;padding-bottom:54px;grid-template-columns:repeat(3, minmax(0,1fr));gap:22px}

.split-section{display:grid;grid-template-columns:1fr 1fr;gap:34px;padding-top:28px;padding-bottom:28px;align-items:center;background:#fff}
.split-section.reverse .split-copy{order:2}
.split-media img,.inner-hero-media img{width:100%;border-radius:18px;border:1px solid var(--line);background:#f8f9fb;object-fit:cover;box-shadow:var(--shadow)}
.split-copy h2{font-size:38px;line-height:1.08;margin-bottom:18px;max-width:640px}
.about-preview,.esg-preview{border-top:1px solid var(--line)}

.certifications-section{padding-top:38px;padding-bottom:46px;background:#fff;border-top:1px solid var(--line)}
.cert-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:18px;align-items:stretch}
.cert-card{background:var(--surface-soft);border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;justify-content:space-between;min-height:320px}
.cert-card.cert-tall{min-height:520px}
.cert-card img{max-height:360px;width:100%;object-fit:contain;margin:auto}
.cert-card div{padding-top:16px}
.cert-card strong{display:block;font-size:18px}
.cert-card span{display:block;margin-top:6px;color:var(--muted);font-size:14px}

.contact-banner{margin:0 54px 54px;border-radius:18px;background:linear-gradient(135deg, #f8fbff 0%, #f4f5f7 100%);border:1px solid var(--line);padding-top:28px;padding-bottom:28px;display:flex;justify-content:space-between;align-items:center;gap:24px}

.site-footer{padding:28px 54px 38px;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(220px,.8fr) minmax(320px,1.35fr) auto;gap:32px;background:#fff}
.footer-brand img{width:132px;margin-bottom:10px}
.footer-brand p{margin:0;color:var(--muted)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end;align-items:flex-start}
.footer-links a{color:#4b5362}

.footer-contact{display:flex;flex-direction:column;align-items:flex-start;gap:7px;color:#4b5362;font-size:14px;line-height:1.5}
.footer-contact .footer-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:#1f2633;margin-bottom:3px}
.footer-contact a{color:#4b5362;transition:color .2s ease}
.footer-contact a:hover{color:var(--blue)}
.footer-address{max-width:390px}
.contact-info-card{display:flex;flex-direction:column;gap:8px}
.contact-info-card .contact-label{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--blue)}
.contact-info-card a{font-size:16px;line-height:1.55;color:#303748;word-break:break-word}
.contact-info-card a:hover{color:var(--blue)}
.footer-copy{grid-column:1/-1;color:#7a8191;font-size:14px;padding-top:8px}

.inner-hero{padding-top:52px;padding-bottom:24px;background:#fff}
.inner-hero.two-col{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center}
.inner-hero h1{font-size:50px;max-width:700px}
.info-grid{display:grid;gap:20px;padding-top:22px;padding-bottom:28px;background:#fff}
.info-grid.three{grid-template-columns:repeat(3,1fr)}
.info-card,.contact-card,.contact-side .info-card{background:var(--surface-soft);border:1px solid var(--line);border-radius:18px;padding:24px}
.info-card h3{margin:0 0 10px;font-size:20px}
.info-card p{margin:0;color:var(--muted);line-height:1.65}
.inner-certifications{border-top:none;padding-top:0}

.contact-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(280px,.45fr);gap:24px;padding-top:8px;padding-bottom:48px;background:#fff}
.contact-card{display:grid;gap:16px}
.contact-card label{display:grid;gap:8px}
.contact-card span{font-size:14px;font-weight:600;color:#313848}
.contact-card input,.contact-card select,.contact-card textarea{width:100%;border:1px solid #d9dee8;border-radius:12px;background:#fff;padding:14px 16px;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease}
.contact-card input:focus,.contact-card select:focus,.contact-card textarea:focus{border-color:rgba(11,86,217,.6);box-shadow:0 0 0 4px rgba(11,86,217,.08)}
.contact-side{display:grid;gap:18px}

[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .65s ease, transform .65s ease;will-change:transform,opacity}
[data-reveal].is-visible{opacity:1;transform:none}

@media (max-width: 1280px){
  .hero-copy h1{font-size:56px}
  .hero-section{grid-template-columns:1fr}
  .hero-right{padding-top:0}
  .video-chip{left:28px;bottom:30px}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 980px){
  .site-header{grid-template-columns:1fr auto auto;padding:16px 20px}
  .menu-toggle{display:flex}
  .site-nav{position:absolute;top:100%;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:10px;display:none;flex-direction:column;gap:2px;align-items:stretch}
  .site-nav.open{display:flex}
  .site-nav a{padding:14px 10px}
  .site-nav a::after{display:none}
  .header-cta{display:none}
  .hero-left{grid-template-columns:1fr;padding:34px 22px 12px}
  .hero-steps{display:none}
  .hero-copy h1{font-size:46px}
  .hero-right{padding:18px 20px 32px}
  .video-chip{position:static;margin-top:18px;justify-content:flex-start;width:100%}
  .products-section,.certifications-section,.split-section,.contact-banner,.inner-hero,.contact-layout,.info-grid{padding-inline:20px}
  .section-header{flex-direction:column}
  .product-grid,.full-grid,.info-grid.three,.contact-layout,.split-section,.inner-hero.two-col,.cert-grid{grid-template-columns:1fr}
  .contact-banner{margin:0 20px 22px;flex-direction:column;align-items:flex-start}
  .site-footer{padding:24px 20px 30px;grid-template-columns:1fr}
  .footer-links{justify-content:flex-start}
}
@media (max-width: 640px){
  .site-shell{width:min(calc(100% - 12px),var(--container));margin:6px auto;border-radius:14px}
  .brand img{width:132px}
  .hero-copy h1{font-size:40px}
  .hero-copy p,.section-header p,.split-copy p,.contact-banner p,.inner-hero p,.product-card p{font-size:15px}
  .section-header h2,.contact-banner h2{font-size:30px}
  .split-copy h2,.inner-hero h1{font-size:34px}
  .btn{width:100%;justify-content:center}
  .hero-actions{flex-direction:column}
  .video-play{width:64px;height:64px}
  .product-card{padding:14px}
  .cert-card.cert-tall,.cert-card{min-height:auto}
}


/* Hero visual refined: image only, high-definition and responsive */
.hero-right{padding:40px 32px 40px;align-items:center;justify-content:center}
.hero-visual-card{width:100%;max-width:960px;margin:0 auto}
.hero-visual-card img{display:block;width:100%;height:auto;object-fit:contain;image-rendering:auto}
.video-chip{display:none!important}

@media (max-width: 1280px){
  .hero-visual-card{max-width:100%}
}

@media (max-width: 980px){
  .hero-right{padding:16px 20px 30px}
  .hero-visual-card img{border-radius:12px}
}

@media (max-width: 640px){
  .hero-right{padding:12px 14px 22px}
  .hero-visual-card img{width:100%;height:auto;object-fit:contain}
}

/* Desktop proportional layout: same visual occupancy across web monitors */
@media (min-width: 981px){
  .site-shell{
    width: 87vw;
    max-width: none;
    margin: 18px auto;
  }
}