*{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue:#0066CC;
  --blue-dark:#004A99;
  --blue-deeper:#003070;
  --blue-light:#E8F2FF;
  --blue-mid:#3388DD;
  --accent:#FF8C00;
  --white:#ffffff;
  --gray-50:#F8F9FB;
  --gray-100:#F0F2F5;
  --gray-200:#D8DCE3;
  --gray-400:#8A92A0;
  --gray-700:#3A4150;
  --gray-900:#1A1F2E;
  --text:#1A2540;
}
body{font-family:'Be Vietnam Pro',sans-serif;color:var(--text);background:#fff;font-size:15px;line-height:1.6}

/* TOPBAR */
.topbar{background:var(--blue-deeper);color:rgba(255,255,255,0.85);font-size:12px;padding:7px 0;border-bottom:1px solid rgba(255,255,255,0.08)}
.topbar-inner{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.topbar-left,.topbar-right{display:flex;gap:1.5rem;align-items:center}
.topbar a{color:rgba(255,255,255,0.85);text-decoration:none}
.topbar a:hover{color:#fff}
.topbar-sep{color:rgba(255,255,255,0.25)}

/* NAV */
nav{background:var(--white);border-bottom:2px solid var(--blue);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,102,204,0.08)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:68px}
.logo-area{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-area img{height:48px;width:48px;object-fit:contain}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text span:first-child{font-size:13px;font-weight:600;color:var(--blue);letter-spacing:0.5px}
.logo-text span:last-child{font-size:10px;color:var(--gray-400);font-weight:400}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{text-decoration:none;color:var(--gray-700);font-size:14px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:all 0.2s}
.nav-links a:hover{color:var(--blue);border-bottom-color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff!important;padding:8px 18px!important;border-radius:4px!important;border-bottom:none!important}
.nav-cta:hover{background:var(--blue-dark)!important}
.nav-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--gray-700)}

/* HERO */
.hero{background:linear-gradient(135deg,var(--blue-deeper) 0%,var(--blue) 50%,var(--blue-mid) 100%);position:relative;overflow:hidden;min-height:560px;display:flex;align-items:center}
.hero-bg-pattern{position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,transparent,transparent 48px,rgba(255,255,255,0.03) 48px,rgba(255,255,255,0.03) 50px),repeating-linear-gradient(90deg,transparent,transparent 48px,rgba(255,255,255,0.03) 48px,rgba(255,255,255,0.03) 50px)}
.hero-geo{position:absolute;right:-80px;top:-80px;width:420px;height:420px;border:60px solid rgba(255,255,255,0.05);border-radius:50%}
.hero-geo2{position:absolute;right:80px;bottom:-120px;width:280px;height:280px;border:40px solid rgba(255,255,255,0.04);border-radius:50%}
.hero-inner{max-width:1200px;margin:0 auto;padding:5rem 2rem;position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.25);color:#fff;font-size:12px;font-weight:600;padding:6px 14px;border-radius:20px;letter-spacing:0.8px;text-transform:uppercase;margin-bottom:1.5rem}
.hero h1{color:#fff;font-size:42px;font-weight:800;line-height:1.2;margin-bottom:1rem;letter-spacing:-0.5px}
.hero h1 span{color:#FFD166}
.hero-sub{color:rgba(255,255,255,0.8);font-size:16px;line-height:1.7;margin-bottom:2rem;font-weight:300}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap}
.btn-primary{background:#fff;color:var(--blue);padding:13px 28px;border-radius:4px;font-weight:700;font-size:14px;text-decoration:none;transition:all 0.2s;letter-spacing:0.3px}
.btn-primary:hover{background:var(--blue-light);transform:translateY(-1px)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.5);padding:13px 28px;border-radius:4px;font-weight:600;font-size:14px;text-decoration:none;transition:all 0.2s}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,0.08)}
.hero-stats{display:flex;gap:2rem;margin-top:2.5rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.15)}
.stat-item{text-align:center}
.stat-num{font-size:28px;font-weight:800;color:#fff}
.stat-label{font-size:12px;color:rgba(255,255,255,0.65);font-weight:400;margin-top:2px}
.hero-visual{display:flex;align-items:center;justify-content:center}
.hero-card{background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2);border-radius:12px;padding:2rem;color:#fff}
.hero-card h3{font-size:16px;font-weight:600;margin-bottom:1.2rem;opacity:0.9;border-bottom:1px solid rgba(255,255,255,0.15);padding-bottom:0.8rem}
.service-tag{display:inline-block;background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.2);color:#fff;font-size:12px;padding:5px 12px;border-radius:3px;margin:4px 3px;font-weight:500}
.cert-row{display:flex;align-items:center;gap:10px;margin-top:1.2rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,0.15)}
.cert-icon{width:36px;height:36px;background:rgba(255,200,0,0.2);border:1px solid rgba(255,200,0,0.4);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px}
.cert-text{font-size:12px;opacity:0.85}

/* SECTIONS */
.section{max-width:1200px;margin:0 auto;padding:5rem 2rem}
.section-tag{display:inline-block;background:var(--blue-light);color:var(--blue);font-size:11px;font-weight:700;padding:5px 14px;border-radius:3px;letter-spacing:1px;text-transform:uppercase;margin-bottom:1rem}
.section-title{font-size:34px;font-weight:800;color:var(--gray-900);line-height:1.2;margin-bottom:0.5rem}
.section-title span{color:var(--blue)}
.section-sub{color:var(--gray-400);font-size:16px;max-width:560px;margin-bottom:3rem;font-weight:300}
.divider{width:50px;height:3px;background:var(--blue);border-radius:2px;margin:1rem 0 1.5rem}

/* ABOUT */
.about-strip{background:var(--gray-50);border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200)}
.about-inner{max-width:1200px;margin:0 auto;padding:4rem 2rem;display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}
.about-img-box{background:var(--blue);border-radius:8px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.factory-svg{width:100%;height:100%}
.about-content h2{font-size:32px;font-weight:800;color:var(--gray-900);margin-bottom:1rem;line-height:1.2}
.about-content p{color:var(--gray-400);line-height:1.8;margin-bottom:1.5rem;font-weight:300}
.value-list{list-style:none}
.value-list li{display:flex;align-items:flex-start;gap:10px;margin-bottom:0.8rem;font-size:14px;color:var(--gray-700)}
.check-icon{width:20px;height:20px;background:var(--blue);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.check-icon::after{content:'✓';color:#fff;font-size:11px;font-weight:700}

/* PRODUCTS */
.products-bg{background:#fff}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.product-card{border:1px solid var(--gray-200);border-radius:6px;overflow:hidden;transition:all 0.25s;cursor:pointer}
.product-card:hover{border-color:var(--blue);box-shadow:0 8px 32px rgba(0,102,204,0.12);transform:translateY(-3px)}
.product-img{height:180px;background:var(--blue);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.product-img-inner{width:90px;height:90px;background:rgba(255,255,255,0.15);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:40px}
.product-body{padding:1.25rem}
.product-body h3{font-size:16px;font-weight:700;color:var(--gray-900);margin-bottom:0.5rem}
.product-body p{font-size:13px;color:var(--gray-400);line-height:1.6;margin-bottom:1rem}
.product-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{background:var(--blue-light);color:var(--blue);font-size:11px;font-weight:600;padding:3px 9px;border-radius:3px}
.product-link{display:flex;align-items:center;gap:6px;color:var(--blue);font-size:13px;font-weight:600;text-decoration:none;margin-top:1rem}
.product-link::after{content:'→';transition:transform 0.2s}
.product-link:hover::after{transform:translateX(4px)}

/* WHY US */
.why-bg{background:var(--blue-deeper)}
.why-inner{max-width:1200px;margin:0 auto;padding:5rem 2rem}
.why-inner .section-title{color:#fff}
.why-inner .section-sub{color:rgba(255,255,255,0.6)}
.why-inner .section-tag{background:rgba(255,255,255,0.12);color:#fff}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:3rem}
.why-card{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:8px;padding:1.5rem;transition:all 0.25s}
.why-card:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.25)}
.why-icon{width:50px;height:50px;background:rgba(255,255,255,0.1);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:1rem}
.why-card h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:0.5rem}
.why-card p{color:rgba(255,255,255,0.6);font-size:13px;line-height:1.65}

/* INDUSTRIES */
.industries-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.industry-card{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:6px;padding:1.5rem;display:flex;gap:1rem;align-items:flex-start;transition:all 0.2s}
.industry-card:hover{border-color:var(--blue);background:var(--blue-light)}
.industry-icon{width:48px;height:48px;background:var(--blue);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.industry-card h3{font-size:15px;font-weight:700;color:var(--gray-900);margin-bottom:0.3rem}
.industry-card p{font-size:13px;color:var(--gray-400);line-height:1.6}

/* PROCESS */
.process-row{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:3rem}
.process-step{text-align:center;padding:0 0.5rem;position:relative}
.process-step:not(:last-child)::after{content:'';position:absolute;top:26px;left:60%;width:80%;height:2px;background:var(--gray-200)}
.step-circle{width:52px;height:52px;background:var(--blue);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:#fff;font-weight:700;font-size:16px;position:relative;z-index:1}
.process-step h4{font-size:13px;font-weight:700;color:var(--gray-900);margin-bottom:0.3rem}
.process-step p{font-size:12px;color:var(--gray-400);line-height:1.5}

/* CONTACT */
.contact-bg{background:var(--gray-50);border-top:1px solid var(--gray-200)}
.contact-inner{max-width:1200px;margin:0 auto;padding:5rem 2rem;display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:start}
.contact-info h2{font-size:32px;font-weight:800;color:var(--gray-900);margin-bottom:1rem}
.contact-info p{color:var(--gray-400);line-height:1.8;margin-bottom:2rem}
.contact-detail{display:flex;align-items:flex-start;gap:12px;margin-bottom:1.2rem}
.contact-icon{width:40px;height:40px;background:var(--blue);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;color:#fff}
.contact-detail h4{font-size:13px;font-weight:700;color:var(--gray-700);margin-bottom:2px}
.contact-detail p{font-size:13px;color:var(--gray-400)}
.contact-form{background:#fff;border:1px solid var(--gray-200);border-radius:8px;padding:2rem}
.contact-form h3{font-size:18px;font-weight:700;color:var(--gray-900);margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--gray-200)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.form-group{margin-bottom:1rem;display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;font-weight:600;color:var(--gray-700)}
.form-group input,.form-group select,.form-group textarea{border:1px solid var(--gray-200);border-radius:4px;padding:10px 14px;font-family:'Be Vietnam Pro',sans-serif;font-size:14px;color:var(--gray-900);outline:none;transition:border 0.2s;background:#fff}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,102,204,0.08)}
.form-group textarea{resize:vertical;min-height:100px}
.submit-btn{background:var(--blue);color:#fff;border:none;padding:13px 28px;border-radius:4px;font-family:'Be Vietnam Pro',sans-serif;font-size:14px;font-weight:700;cursor:pointer;width:100%;transition:background 0.2s;letter-spacing:0.3px}
.submit-btn:hover{background:var(--blue-dark)}
.submit-btn:disabled{opacity:0.6;cursor:not-allowed}

/* FOOTER */
footer{background:var(--gray-900);color:rgba(255,255,255,0.7)}
.footer-inner{max-width:1200px;margin:0 auto;padding:3.5rem 2rem 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand p{font-size:13px;line-height:1.8;margin-top:1rem;opacity:0.6}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:0.5rem}
.footer-logo-text{color:#fff;font-size:13px;font-weight:600}
.footer-logo-sub{color:rgba(255,255,255,0.4);font-size:10px}
.footer-col h4{color:#fff;font-size:13px;font-weight:700;margin-bottom:1rem;letter-spacing:0.5px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:0.6rem}
.footer-col ul li a{color:rgba(255,255,255,0.5);text-decoration:none;font-size:13px;transition:color 0.2s}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:rgba(255,255,255,0.35)}

/* RESPONSIVE */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .hero-visual{display:none}
  .hero h1{font-size:32px}
  .about-inner{grid-template-columns:1fr;gap:2rem}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .contact-inner{grid-template-columns:1fr;gap:2rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .process-row{grid-template-columns:1fr;gap:2rem}
  .process-step:not(:last-child)::after{display:none}
}
@media(max-width:600px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:1rem 2rem;border-bottom:2px solid var(--blue);box-shadow:0 4px 16px rgba(0,0,0,0.1)}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .products-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .industries-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:0.5rem;text-align:center}
  .form-row{grid-template-columns:1fr}
  .hero-stats{flex-wrap:wrap;gap:1rem}
  .topbar-right{display:none}
}