:root{
    --navy:#1f2d3d; --slate:#2E4057; --accent:#0ea5e9; --accent2:#0b6fa4;
    --bg:#ffffff; --soft:#f4f7fa; --line:#e4ebf1; --text:#1f2d3d; --muted:#5b6b7b;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
  .wrap{max-width:1060px;margin:0 auto;padding:0 22px}
  a{color:var(--accent2);text-decoration:none}
  /* header */
  header{position:sticky;top:0;z-index:50;background:#ffffff;border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{font-weight:800;font-size:20px;color:var(--navy);letter-spacing:.3px}
  .logo span{color:var(--accent)}
  .nav-links{display:flex;gap:26px;align-items:center}
  .nav-links a{color:var(--slate);font-weight:500;font-size:15px}
  .nav-links a:hover{color:var(--accent)}
  .lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;font-size:13px}
  .lang button{border:0;background:#fff;padding:6px 11px;cursor:pointer;color:var(--muted);font-weight:600}
  .lang button.on{background:var(--slate);color:#fff}
  @media(max-width:720px){.nav-links a:not(.btn){display:none}}
  /* hero */
  .hero{background:linear-gradient(160deg,#1f2d3d 0%,#2E4057 55%,#0b6fa4 130%);color:#fff;padding:76px 0 66px;min-height:490px;display:flex;flex-direction:column;justify-content:center}
  .badge{display:inline-block;background:rgba(14,165,233,.18);border:1px solid rgba(14,165,233,.5);color:#bfe6fb;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:20px}
  .hero h1{font-size:44px;line-height:1.12;font-weight:800;max-width:780px;letter-spacing:-.5px;text-wrap:balance}
  .hero p.sub{font-size:19px;color:#cdd9e4;margin-top:18px;max-width:660px;text-wrap:pretty}
  .cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
  .btn{display:inline-block;background:var(--accent);color:#04222f;font-weight:700;padding:13px 24px;border-radius:9px;font-size:15px;transition:.15s}
  .btn:hover{background:#38bdf8}
  .btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.4);color:#fff}
  .btn.ghost:hover{border-color:#fff}
  @media(max-width:600px){.hero h1{font-size:33px}}
  /* sections */
  section{padding:64px 0}
  .eyebrow{color:var(--accent2);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase}
  h2{font-size:30px;color:var(--navy);margin:8px 0 8px;font-weight:800;letter-spacing:-.3px}
  .lead{color:var(--muted);font-size:17px;max-width:680px;margin-bottom:32px;text-wrap:pretty}
  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  @media(max-width:820px){.grid{grid-template-columns:1fr}}
  .card{border:1px solid var(--line);border-radius:14px;padding:26px;background:#fff;transition:.18s}
  .card:hover{border-color:var(--accent);box-shadow:0 10px 30px -12px rgba(11,111,164,.25);transform:translateY(-2px)}
  .card h3{font-size:18px;color:var(--navy);margin-bottom:8px}
  .card p{color:var(--muted);font-size:15px}
  .ico{width:44px;height:44px;border-radius:11px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
  /* expertise */
  .skills{background:var(--soft)}
  .chips{display:flex;flex-wrap:wrap;gap:10px}
  .chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;color:var(--slate);font-weight:600}
  /* about */
  .about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start}
  @media(max-width:820px){.about-grid{grid-template-columns:1fr}}
  .facts{border-left:3px solid var(--accent);padding-left:22px}
  .facts li{list-style:none;margin-bottom:14px;color:var(--slate)}
  .facts b{color:var(--navy);font-size:22px;display:block}
  /* contact */
  .contact{background:linear-gradient(160deg,#1f2d3d,#2E4057);color:#fff}
  .contact h2{color:#fff}
  .contact .lead{color:#cdd9e4}
  .cinfo{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:8px}
  .cinfo div{font-size:16px}
  .cinfo .k{color:#8fb4cc;font-size:13px;display:block;margin-bottom:2px}
  .cinfo a{color:#fff}
  footer{background:#16202c;color:#8ea3b5;font-size:13px;padding:26px 0;text-align:center}
  [data-en]{display:none}
  body.en [data-nl]{display:none}
  body.en [data-en]{display:inline}
  body.en [data-en].block{display:block}
.logo{display:flex;align-items:center;gap:9px}.logo-mark{width:28px;height:28px;flex:none}.about-photo{width:140px;height:140px;border-radius:50%;object-fit:cover;border:4px solid #fff;margin-bottom:18px;box-shadow:0 10px 28px -10px rgba(11,111,164,.45)}
.contact .eyebrow{color:#8fb4cc}
.lead.tight{margin-bottom:16px}
.lead.flush{margin-bottom:0}
.logolink{color:inherit;text-decoration:none}
.narrow{max-width:820px}
/* mobile menu */
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px;color:var(--navy);line-height:0}
@media(max-width:720px){
  .menu-toggle{display:inline-flex}
  .nav-links{position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 0;display:none;box-shadow:0 16px 30px -20px rgba(11,111,164,.5)}
  body.menu-open .nav-links{display:flex}
  body.menu-open .nav-links a:not(.btn){display:block;padding:12px 22px;font-size:16px}
  .nav-links .lang{margin:10px 22px;width:max-content}
}
/* contact form */
.cform{margin-top:26px;max-width:560px}
.frow{display:flex;gap:14px;flex-wrap:wrap}
.frow .fld{flex:1;min-width:200px}
.fld{display:block;margin-bottom:14px;color:#cdd9e4;font-size:13px;font-weight:600}
.fld input,.fld textarea{display:block;width:100%;margin-top:6px;padding:11px 13px;border:1px solid rgba(255,255,255,.25);border-radius:9px;background:rgba(255,255,255,.97);color:#1f2d3d;font-size:15px;font-family:inherit}
.fld input:focus,.fld textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.cform .btn{border:0;cursor:pointer;margin-top:4px}
.fnote{color:#8fb4cc;font-size:13px;margin-top:12px}