:root{
    --navy-deep:#0a1f45;
    --navy:#0d2f6b;
    --blue:#1a56c4;
    --blue-light:#2f7bdb;
    --orange:#ee7c1a;
    --orange-dark:#d9690b;
    --bg:#f2f4f8;
    --ink:#12203d;
    --ink-soft:#5b6787;
    --line:#e2e6ef;
    --radius:10px;
    box-sizing:border-box;
    padding-top:env(safe-area-inset-top,0px);
    padding-bottom:env(safe-area-inset-bottom,0px);
  }
  *{box-sizing:inherit;margin:0;padding:0;}
  html{scroll-behavior:smooth;scroll-padding-top:76px;}
  body{background:var(--bg);color:var(--ink);font-family:'Manrope',sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  h1,h2,h3{font-weight:800;line-height:1.12;color: white var(--navy-deep);}
  .wrap{max-width:1180px;margin:0 auto;padding:0 28px;}

  /* header */
  header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px);}
  .navrow{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;max-width:1180px;margin:0 auto;gap:24px;}
  .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.35rem;color: white var(--navy-deep);white-space:nowrap;}
  .brand .netpart{color:var(--orange);}
  .brand-logo{width:38px;height:38px;object-fit:contain;}
  nav ul{display:flex;gap:28px;list-style:none;flex-wrap:wrap;align-items:center;}
  nav a{font-size:.95rem;font-weight:700;color:var(--ink-soft);padding-bottom:6px;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;}
  nav a:hover,nav a.active{color:var(--navy-deep);border-color:var(--orange);}
  nav a.shield{display:flex;align-items:center;gap:6px;}
  .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;font-weight:700;font-size:.92rem;border-radius:8px;transition:transform .15s,box-shadow .15s,background .15s;}
  .btn-orange{background:var(--orange);color:#fff;}
  .btn-orange:hover{background:var(--orange-dark);transform:translateY(-1px);}
  .btn-outline{border:1.5px solid rgba(255,255,255,.55);color:#fff;}
  .btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08);}

  /* hero */
  .hero{
    position:relative;overflow:hidden;color:#fff;padding:70px 0 76px;
    background:linear-gradient(115deg,var(--navy-deep) 0%,var(--navy) 45%,var(--blue) 100%);
  }
  .hero svg.net{position:absolute;inset:0;width:100%;height:100%;opacity:.35;}
  .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center;position:relative;z-index:1;}
  .hero h1{font-size:clamp(2rem,4vw,2.75rem);max-width:16ch;}
  .hero p.lead{margin-top:18px;font-size:1.05rem;color:#cfd9f2;max-width:54ch;}
  .hero-cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap;}
  .qr-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:26px;text-align:center;backdrop-filter:blur(6px);}
  .qr-card .tag{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:800;letter-spacing:.03em;font-size:.9rem;margin-bottom:16px;}
  .qr-box{background:#fff;border:3px solid var(--orange);border-radius:10px;padding:14px;display:inline-block;}
  .qr-box img{width:150px;height:150px;}
  .qr-card .cap{margin-top:14px;font-size:.8rem;color:#cfd9f2;}

  section{padding:72px 0;}
  .section-head{max-width:620px;margin:0 auto 44px;text-align:center;}
  .section-head h2{font-size:clamp(1.6rem,3vw,2.1rem);}
  .section-head p{margin-top:12px;color:var(--ink-soft);font-size:1rem;}

  /* services */
  .services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .service{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 2px 10px rgba(13,47,107,.04);}
  .icon-badge{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
  .icon-badge.b{background:var(--blue);}
  .icon-badge.o{background:var(--orange);}
  .icon-badge svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2;}
  .service h3{font-size:1.08rem;color:var(--navy-deep);}
  .service h3 .tagline{color:var(--orange);font-weight:800;}
  .service p{margin-top:8px;font-size:.9rem;color:var(--ink-soft);}
  .service.flag{grid-column:span 1;background:linear-gradient(160deg,#fff,#f4f8ff);border-color:#c9d9f7;}
  .flag-qr{margin-top:14px;display:flex;align-items:center;gap:12px;}
  .flag-qr img{width:64px;height:64px;border:2px solid var(--orange);border-radius:6px;padding:4px;background:#fff;}
  .flag-qr span{font-size:.78rem;color:var(--ink-soft);font-weight:600;}

  /* legal */
  .legal{background:var(--navy-deep);color:#fff;}
  .legal .section-head h2{color:#fff;}
  .legal .section-head p{color:#aebbdc;}
  .legal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .legal-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:22px;display:flex;gap:16px;align-items:flex-start;}
  .legal-card .ic{width:40px;height:40px;border-radius:8px;background:var(--orange);flex:none;display:flex;align-items:center;justify-content:center;}
  .legal-card .ic svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2;}
  .legal-card .lbl{font-size:.78rem;color:#a9b8de;font-weight:700;letter-spacing:.02em;}
  .legal-card .val{margin-top:4px;font-size:1rem;font-weight:800;}
  .legal-card .sub{margin-top:3px;font-size:.8rem;color:#a9b8de;}
  .legal-note{margin-top:28px;text-align:center;font-size:.85rem;color:#a9b8de;}

  /* network */
  .cities{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:6px;}
  .cities span{border:1px solid var(--line);padding:9px 18px;font-size:.88rem;font-weight:700;color:var(--navy);background:#fff;border-radius:20px;}

  /* projects */
  .alt{background:#fff;}
  .proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .proj{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
  .proj .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:.9rem;margin-bottom:14px;}
  .proj h3{font-size:1.08rem;color:var(--navy-deep);}
  .proj p{margin-top:8px;color:var(--ink-soft);font-size:.9rem;}
  .proj ul{margin-top:10px;padding-left:18px;color:var(--ink-soft);font-size:.87rem;}
  .proj ul li{margin-bottom:4px;}
  .proj .strong-note{margin-top:12px;background:#fff4e9;border:1px solid #f4d3a9;padding:12px 14px;border-radius:8px;font-size:.85rem;color:var(--ink);}
  .proj .strong-note b{color:var(--orange-dark);}

  /* gallery */
  .gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
  .gallery figure{position:relative;overflow:hidden;border-radius:var(--radius);}
  .gallery img{width:100%;height:220px;object-fit:cover;transition:transform .4s;}
  .gallery figcaption{position:absolute;bottom:0;left:0;right:0;padding:14px 12px 10px;background:linear-gradient(0deg,rgba(10,31,69,.9),transparent);color:#fff;font-size:.78rem;font-weight:700;}
  .gallery a:hover img{transform:scale(1.05);}

  /* contact */
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start;}
  .contact-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
  .contact-list li{list-style:none;display:flex;gap:14px;font-size:.95rem;}
  .contact-list .lbl{color:var(--orange-dark);font-weight:700;min-width:96px;}
  .contact-card{background:#fff;border:1px solid var(--line);padding:28px;border-radius:var(--radius);}
  .contact-card h3{font-size:1.05rem;color:var(--navy-deep);}
  .contact-card p{margin-top:8px;color:var(--ink-soft);font-size:.9rem;}
  .contact-card h3+p+h3{margin-top:20px;}

  /* footer */
  footer{background:var(--navy-deep);color:#aebbdc;padding:50px 0 calc(24px + env(safe-area-inset-bottom,0px));font-size:.88rem;}
  .foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:34px;}
  .foot-brand{display:flex;flex-direction:column;gap:10px;}
  .foot-brand .brand{color:#fff;}
  .foot-brand .brand-logo{background:#fff;border-radius:6px;padding:3px;}
  .foot-brand .tag{font-size:.82rem;color:#8393bd;}
  footer h4{color:#fff;font-size:.82rem;letter-spacing:.03em;margin-bottom:14px;}
  footer ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
  footer ul a{color:#aebbdc;font-size:.88rem;}
  footer ul a:hover{color:#fff;}
  .social{display:flex;gap:10px;margin-top:4px;}
  .social a{width:34px;height:34px;border-radius:50%;background:var(--orange);display:flex;align-items:center;justify-content:center;}
  .social a svg{width:16px;height:16px;fill:#fff;}
  .foot-bottom{margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:.8rem;color:#8393bd;text-align:center;}

  @media(prefers-color-scheme:dark){
    :root:not([data-theme="light"]){--bg:#0e1526;--ink:#e8ecf7;--ink-soft:#9aa5c4;--line:#233052;}
    body{background:var(--bg);}
    header{background:#101a30;}
    .service{background:#141f38;}
    .alt{background:#0e1526;}
    .proj{background:#141f38;}
    .cities span{background:#141f38;color:#e8ecf7;}
    .contact-card{background:#141f38;}
  }
  :root[data-theme="dark"]{--bg:#0e1526;--ink:#e8ecf7;--ink-soft:#9aa5c4;--line:#233052;}

  @media(max-width:900px){
    .hero-grid{grid-template-columns:1fr;}
    .services-grid{grid-template-columns:1fr 1fr;}
    .legal-grid{grid-template-columns:1fr 1fr;}
    .proj-grid{grid-template-columns:1fr;}
    .gallery{grid-template-columns:1fr 1fr;}
    .contact-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr 1fr;}
  }
  @media(max-width:600px){
    .services-grid{grid-template-columns:1fr;}
    .legal-grid{grid-template-columns:1fr;}
    .gallery{grid-template-columns:1fr 1fr;}
    nav ul{display:none;}
    .foot-grid{grid-template-columns:1fr;}
    .wrap{padding:0 20px;}
  }