:root{
  --navy:#0b2440; --navy-2:#123357; --accent:#f5821f; --accent-2:#e06f0c;
  --text:#1f2937; --muted:#5b6b7c; --bg:#ffffff; --bg-alt:#f4f7fa; --line:#e3e9f0;
  --radius:14px; --shadow:0 10px 30px rgba(11,36,64,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.65;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--accent)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px 14px;z-index:999;border-radius:6px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(11,36,64,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:84px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:auto;height:56px}
.brand-name{font-weight:800;color:var(--navy);font-size:15px;letter-spacing:.5px;line-height:1.25}
.brand-name small{font-weight:600;color:var(--muted);letter-spacing:2px;font-size:10.5px}
.nav-list{display:flex;list-style:none;gap:6px;flex-wrap:wrap}
.nav-list a{display:block;padding:10px 16px;font-weight:600;color:var(--navy);border-radius:8px;transition:.2s}
.nav-list a:hover{background:var(--bg-alt);color:var(--accent)}
.nav-list a.active{background:var(--navy);color:#fff}
.nav-toggle{display:none}
.nav-burger{display:none;cursor:pointer;width:44px;height:44px;border-radius:8px;border:1px solid var(--line);
  position:relative}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:11px;
  width:20px;height:2px;background:var(--navy);transition:.25s}
.nav-burger span{top:21px}
.nav-burger span::before{top:-7px}.nav-burger span::after{top:7px}

/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:relative;z-index:2;background:linear-gradient(100deg,rgba(7,26,46,.88) 0%,
  rgba(7,26,46,.72) 45%,rgba(7,26,46,.35) 100%);min-height:560px;display:flex;flex-direction:column;
  justify-content:center;padding-top:40px;padding-bottom:40px;width: 100%;}
.hero-kicker{color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:2px;font-size:13px;margin-bottom:14px}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.12;max-width:900px;margin-bottom:18px;
  text-shadow:0 2px 14px rgba(0,0,0,.35)}
.hero-sub{font-size:clamp(16px,1.6vw,20px);max-width:760px;color:#dbe6f2;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:700;font-size:16px;
  transition:.2s;border:2px solid transparent;cursor:pointer;text-align:center}
.btn-lg{padding:16px 34px;font-size:17px}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-2);color:#fff;transform:translateY(-2px)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2);color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:#fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-block{width:100%}

/* Sections */
.section{padding:72px 0}
.section.alt{background:var(--bg-alt)}
.section h2{font-size:clamp(26px,3vw,36px);color:var(--navy);margin-bottom:14px;line-height:1.2}
.section-lead{color:var(--muted);max-width:820px;margin-bottom:36px;font-size:18px}
.center{text-align:center;margin-top:36px}

/* Page hero */
.page-hero{background:linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 70%,#1c4676 100%);
  color:#fff;padding:64px 0 56px}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);margin-bottom:10px}
.page-hero p{color:#c9d8e8;max-width:800px;font-size:18px}
.breadcrumbs{font-size:14px;margin-bottom:18px;color:#9fb4c9}
.breadcrumbs a{color:#c9d8e8}
.breadcrumbs a:hover{color:var(--accent)}

/* Stats */
.stats{background:var(--navy);color:#fff;padding:44px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat strong{display:block;font-size:clamp(30px,3.4vw,44px);color:var(--accent);font-weight:800}
.stat span{color:#c9d8e8;font-size:15px}

/* Grids & cards */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:.25s;border:1px solid var(--line);display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(11,36,64,.16)}
.card a{display:flex;flex-direction:column;height:100%;color:inherit}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;color:var(--navy);line-height:1.3}
.card-body p{color:var(--muted);font-size:15px}
.card-more{margin-top:auto;color:var(--accent);font-weight:700;font-size:15px}

.features .feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow)}
.feature h3{color:var(--navy);font-size:19px;margin-bottom:10px}
.feature p{color:var(--muted);font-size:15.5px}
.apps .app{background:#fff;border-left:4px solid var(--accent);border-radius:10px;padding:22px;
  box-shadow:var(--shadow)}
.app h3{color:var(--navy);font-size:17px;margin-bottom:8px}
.app p{color:var(--muted);font-size:15px}

.certs{align-items:start}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  text-align:center;box-shadow:var(--shadow)}
.cert img{margin:0 auto;max-height:420px;width:auto}
.cert figcaption{margin-top:12px;font-weight:700;color:var(--navy)}

/* CTA band */
.cta-band{background:linear-gradient(110deg,var(--accent) 0%,#ff9a3d 100%);color:#fff;padding:52px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:6px}
.cta-band p{color:#fff6ec;max-width:640px}
.cta-band .btn-accent{background:#fff;color:var(--accent-2)}
.cta-band .btn-accent:hover{background:var(--navy);color:#fff}

/* Product page */
.product-top{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.product-photo{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  box-shadow:var(--shadow)}
.product-photo img{border-radius:8px}
.product-lead{font-size:18px;color:var(--text);margin-bottom:18px}
.product-summary .hero-actions{margin-top:22px}
.checklist{list-style:none;display:grid;gap:10px}
.checklist li{padding-left:30px;position:relative;color:var(--text)}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;
  justify-content:center}
.features-list{list-style:none;display:grid;gap:12px;max-width:900px}
.features-list li{padding:14px 18px 14px 46px;position:relative;background:#fff;border:1px solid var(--line);
  border-radius:10px}
.features-list li::before{content:"▸";position:absolute;left:18px;top:12px;color:var(--accent);
  font-size:20px;font-weight:800}

/* Tables */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:30px}
.spec-table{width:100%;border-collapse:collapse;min-width:560px}
.spec-table th,.spec-table td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.spec-table th{width:34%;color:var(--navy);background:var(--bg-alt);font-weight:700}
.spec-table tr:hover th,.spec-table tr:hover td{background:#fbfdff}

/* About */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:start}
.about-grid p{margin-bottom:14px}
.about-grid ul{margin:0 0 14px 20px;color:var(--text)}
.about-photo{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);margin-bottom:22px}
.about-photo img{width:100%;object-fit:cover}
.about-photo figcaption{padding:12px 18px;font-size:14.5px;color:var(--muted);font-weight:600}

/* FAQ */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;
  box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{cursor:pointer;padding:20px 24px;list-style:none;display:flex;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"+";flex:none;width:30px;height:30px;border-radius:50%;background:var(--navy);
  color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;transition:.2s}
.faq-item[open] summary::before{content:"–";background:var(--accent)}
.faq-item summary h3{font-size:18px;color:var(--navy)}
.faq-answer{padding:2px 24px 22px 66px;color:var(--text)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:start}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  box-shadow:var(--shadow);display:grid;gap:18px}
.form-row{display:grid;gap:6px}
.form-row label{font-weight:700;color:var(--navy);font-size:15px}
.form-row em{color:#d63b30}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:9px;font-size:16px;font-family:inherit;color:var(--text);background:#fbfdff;transition:.2s}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(245,130,31,.15);background:#fff}
.hp-field{position:absolute;left:-9999px}
.form-note{font-size:13.5px;color:var(--muted)}
.contact-aside h2{margin-bottom:16px}
.contact-details{background:var(--bg-alt);border-radius:var(--radius);padding:24px;border:1px solid var(--line)}
.contact-details dt{font-weight:800;color:var(--navy);margin-top:14px}
.contact-details dt:first-child{margin-top:0}
.contact-details dd{margin:4px 0 0;color:var(--text)}

/* Footer */
.site-footer{background:var(--navy);color:#c9d8e8;padding:56px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 0.8fr 1.1fr;gap:36px}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:14px}
.site-footer ul{list-style:none;display:grid;gap:8px}
.site-footer a{color:#c9d8e8}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:20px 0;font-size:13.5px;color:#8fa5bb}

/* Responsive */
@media (max-width:1020px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .product-top,.about-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:760px){
  body{font-size:16px}
  .section{padding:52px 0}
  .hero,.hero-overlay{min-height:480px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .faq-answer{padding-left:24px}
  .nav-burger{display:block}
  .nav-toggle{position:absolute;opacity:0}
  .site-header nav{display:none;width:100%}
  .nav-toggle:checked ~ nav{display:block}
  .nav-toggle:checked ~ .nav-burger span{background:transparent}
  .nav-toggle:checked ~ .nav-burger span::before{transform:rotate(45deg);top:0}
  .nav-toggle:checked ~ .nav-burger span::after{transform:rotate(-45deg);top:0}
  .header-inner{flex-wrap:wrap}
  .site-header nav{order:3;flex-basis:100%;padding-bottom:14px}
  .nav-list{flex-direction:column;width:100%}
  .brand img{height:46px}
}