:root{
  --bg:#ffffff;--bg2:#f4f7fb;--ink:#1d2733;--sub:#5a6675;--line:#e6ebf2;
  --brand:#13407a;--brand2:#1f6fb8;--accent:#c0392b;--ok:#1e8e4e;
  --shadow:0 6px 24px rgba(20,50,90,.08);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px;}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 26px;border-radius:8px;
  font-weight:600;transition:.2s;letter-spacing:.3px;}
.btn:hover{background:#a82f22;transform:translateY(-1px);}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.btn.ghost:hover{background:rgba(255,255,255,.12);}
.btn.blue{background:var(--brand2);}
.btn.blue:hover{background:#155a96;}

/* NAV */
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--brand);}
.logo .dot{width:30px;height:30px;border-radius:7px;background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;display:grid;place-items:center;font-size:14px;}
.logo small{display:block;font-size:11px;color:var(--sub);font-weight:500;letter-spacing:.5px;}
nav.menu{display:flex;gap:6px;align-items:center;}
nav.menu a{padding:9px 13px;border-radius:7px;font-size:14px;font-weight:600;color:var(--sub);transition:.15s;}
nav.menu a:hover{color:var(--brand);background:var(--bg2);}
nav.menu a.active{color:var(--brand);background:var(--bg2);}
nav.menu a.bsite{color:var(--brand2);border:1px solid #cfe0f1;}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;}

/* HERO */
.hero{background:linear-gradient(135deg,#0e2f5c 0%,#13407a 55%,#1f6fb8 100%);
  color:#fff;padding:84px 0 92px;position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);}
.hero h1{font-size:40px;line-height:1.2;max-width:720px;font-weight:800;margin-bottom:18px;}
.hero p.lead{font-size:18px;opacity:.9;max-width:620px;margin-bottom:30px;}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero .stats{display:flex;gap:38px;margin-top:46px;flex-wrap:wrap;}
.hero .stats div{font-size:14px;opacity:.92;}
.hero .stats b{display:block;font-size:26px;font-weight:800;}

/* SECTIONS */
section{padding:72px 0;}
section.alt{background:var(--bg2);}
.sec-head{text-align:center;max-width:720px;margin:0 auto 42px;}
.sec-head .ey{color:var(--accent);font-weight:700;letter-spacing:1.5px;font-size:13px;text-transform:uppercase;}
.sec-head h2{font-size:30px;margin:8px 0 12px;color:var(--brand);}
.sec-head p{color:var(--sub);font-size:15px;}

/* ADVANTAGES */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.adv{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px;box-shadow:var(--shadow);}
.adv .ico{width:46px;height:46px;border-radius:11px;background:#eaf2fb;color:var(--brand);
  display:grid;place-items:center;font-size:22px;margin-bottom:14px;}
.adv h3{font-size:17px;margin-bottom:8px;}
.adv p{font-size:14px;color:var(--sub);}

/* PRODUCTS */
.pcat{margin-bottom:54px;}
.pcat-top{display:flex;align-items:baseline;gap:14px;margin-bottom:8px;
  border-left:5px solid var(--accent);padding-left:14px;}
.pcat-top h3{font-size:23px;color:var(--brand);}
.pcat-top .tag{font-size:13px;color:#fff;background:var(--accent);padding:3px 11px;border-radius:20px;font-weight:600;}
.pcat-top .sub{font-size:13px;color:var(--sub);}
.pgroup-t{font-weight:700;color:var(--brand2);margin:20px 0 12px;font-size:15px;}
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.pcard{background:#fff;border:1px solid var(--line);border-radius:13px;padding:20px;transition:.18s;}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#cfe0f1;}
.pcard .code{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.5px;}
.pcard h4{font-size:16px;margin:4px 0 8px;}
.pcard p{font-size:13.5px;color:var(--sub);}
.pcard .meta{margin-top:10px;font-size:12px;color:var(--brand2);background:#eef4fb;
  display:inline-block;padding:3px 9px;border-radius:6px;}

/* APPLICATIONS */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.app{background:#fff;border:1px solid var(--line);border-radius:13px;padding:24px;display:flex;gap:14px;align-items:flex-start;}
.app .ico{font-size:26px;}
.app h4{font-size:16px;margin-bottom:4px;}
.app p{font-size:13.5px;color:var(--sub);}

/* PROJECTS */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.proj{background:#fff;border:1px solid var(--line);border-radius:13px;padding:22px;box-shadow:var(--shadow);}
.proj h4{font-size:16px;color:var(--brand);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.proj ul{list-style:none;}
.proj li{padding:7px 0 7px 20px;position:relative;font-size:14px;color:var(--ink);border-bottom:1px dashed var(--line);}
.proj li:last-child{border-bottom:none;}
.proj li::before{content:"▸";position:absolute;left:0;color:var(--brand2);}

/* NEWS */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.news{background:#fff;border:1px solid var(--line);border-radius:13px;padding:22px;}
.news .date{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.5px;}
.news h4{font-size:16px;margin:6px 0 8px;}
.news p{font-size:13.5px;color:var(--sub);}
.news-article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;margin-bottom:26px;box-shadow:var(--shadow);}
.news-article .date{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.6px;color:#fff;background:var(--brand);padding:5px 12px;border-radius:20px;margin-bottom:12px;}
.news-article h3{font-size:22px;margin:8px 0 14px;color:var(--brand);}
.news-article .body{font-size:15px;line-height:1.8;color:var(--ink);margin-bottom:18px;}
.news-article .body p{margin-bottom:12px;}
.news-photos{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px;}
.news-photos img{width:100%;height:220px;object-fit:cover;border-radius:12px;border:1px solid var(--line);background:var(--bg2);}
.news-photos img:first-child{grid-column:span 1;}
@media(max-width:880px){.news-photos{grid-template-columns:1fr;}.news-photos img{height:auto;}}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start;}
.about-txt p{font-size:15px;color:var(--sub);margin-bottom:14px;}
.about-txt h3{font-size:18px;color:var(--brand);margin:22px 0 10px;}
.fact{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;}
.fact b{color:var(--brand);min-width:120px;}
.id-card{background:linear-gradient(135deg,#0e2f5c,#1f6fb8);color:#fff;border-radius:16px;padding:26px;box-shadow:var(--shadow);}
.id-card h4{font-size:17px;margin-bottom:14px;border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:12px;}
.id-card .row{font-size:14px;margin-bottom:11px;opacity:.95;}
.id-card .row b{display:block;font-size:11.5px;opacity:.7;letter-spacing:.5px;text-transform:uppercase;font-weight:600;}
.id-card .row span{font-size:14.5px;font-weight:600;}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;}
.contact-info .row{display:flex;gap:12px;margin-bottom:16px;font-size:15px;}
.contact-info .ico{width:40px;height:40px;border-radius:10px;background:#eaf2fb;color:var(--brand);
  display:grid;place-items:center;font-size:18px;flex-shrink:0;}
.contact-info .row b{display:block;color:var(--brand);font-size:13px;}
form.contact-form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;box-shadow:var(--shadow);}
form.contact-form label{display:block;font-size:13px;color:var(--sub);margin:14px 0 6px;font-weight:600;}
form.contact-form input,form.contact-form textarea{width:100%;padding:11px 13px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;font-family:inherit;background:var(--bg2);}
form.contact-form input:focus,form.contact-form textarea:focus{outline:none;border-color:var(--brand2);background:#fff;}
form.contact-form button{margin-top:18px;width:100%;}

/* FOOTER */
footer{background:#0e2238;color:#cdd8e6;padding:54px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:30px;}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12);}
.foot-col p{font-size:13.5px;line-height:1.9;opacity:.85;}
.foot-col a:hover{color:#fff;}
.foot-bottom{text-align:center;font-size:12.5px;opacity:.6;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;}
.foot-bottom .links a{margin:0 10px;}

@media(max-width:880px){
  .adv-grid,.p-grid,.app-grid,.proj-grid,.news-grid,.about-grid,.contact-grid,.foot-grid{grid-template-columns:1fr;}
  nav.menu{position:fixed;top:66px;right:0;background:#fff;flex-direction:column;align-items:stretch;
    width:220px;padding:14px;box-shadow:var(--shadow);border-left:1px solid var(--line);
    transform:translateX(110%);transition:.25s;}
  nav.menu.open{transform:translateX(0);}
  .burger{display:flex;}
  .hero h1{font-size:30px;}
  .hero .stats{gap:22px;}
}