:root{
    --bg:#ffffff; --bg-alt:#ecfeff; --text:#164e63; --muted:#3f6577; --line:#cfe8ee;
    --brand:#0e7490; --brand-ink:#ffffff; --accent:#0e7490; --card:#ffffff; --hl:#ff810a; --ok:#15803d; --err:#b91c1c;
  }
  @media (prefers-color-scheme: dark){
    :root{
      --bg:#0b1a20; --bg-alt:#0f242c; --text:#e3f4f8; --muted:#9fc1cc; --line:#1f3a44;
      --brand:#22d3ee; --brand-ink:#0b1a20; --accent:#38bdf8; --card:#112a33; --hl:#ff9a3c; --ok:#4ade80; --err:#f87171;
    }
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--text);
    font:17px/1.6 Roboto,-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;
    -webkit-font-smoothing:antialiased}
  a{color:var(--accent)}
  .wrap{max-width:1040px;margin:0 auto;padding:0 20px}
  header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);
    backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
  .logo{font-weight:700;letter-spacing:.02em;color:var(--text);text-decoration:none;font-size:18px}
  .logo span{color:var(--hl)}
  .logo,.btn.small{white-space:nowrap}
  .links{display:flex;gap:22px;align-items:center}
  .links a{color:var(--muted);text-decoration:none;font-size:15px}
  .links a:hover{color:var(--text)}
  .links a[aria-current=page]{color:var(--text);font-weight:600}
  .menu{display:none;position:relative}
  .menu summary{list-style:none;cursor:pointer;padding:7px 12px;border:1px solid var(--line);border-radius:8px;
    font-family:Inter,Arial,sans-serif;font-weight:600;font-size:14px;color:var(--text)}
  .menu summary::-webkit-details-marker{display:none}
  .menu-panel{position:absolute;right:0;top:calc(100% + 8px);background:var(--bg);border:1px solid var(--line);border-radius:12px;
    padding:8px;min-width:230px;box-shadow:0 10px 30px rgba(0,0,0,.14);display:flex;flex-direction:column}
  .menu-panel a{padding:10px 12px;color:var(--text);text-decoration:none;border-radius:8px;font-size:16px}
  .menu-panel a:hover,.menu-panel a[aria-current=page]{background:var(--bg-alt)}
  .btn{display:inline-block;padding:12px 20px;border-radius:8px;font-weight:600;text-decoration:none;font-size:16px;
    border:1px solid var(--brand)}
  .btn.primary{background:var(--brand);color:var(--brand-ink)}
  .btn.secondary{background:transparent;color:var(--brand)}
  .btn.small{padding:8px 14px;font-size:14px}
  section{padding:80px 0;border-bottom:1px solid var(--line)}
  section.alt{background:var(--bg-alt)}
  .eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:600;color:var(--accent);margin:0 0 12px}
  h1,h2,h3,.logo,.btn{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
  .product .tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--hl);margin-bottom:6px}
  .card a.more{display:inline-block;margin-top:12px;font-weight:600;text-decoration:none}
  h1{font-size:clamp(34px,6vw,56px);line-height:1.1;margin:0 0 20px;letter-spacing:-.02em}
  h2{font-size:clamp(26px,4vw,36px);line-height:1.2;margin:0 0 14px;letter-spacing:-.01em}
  h3{font-size:20px;margin:0 0 8px}
  .lead{font-size:clamp(18px,2.2vw,21px);color:var(--muted);max-width:720px;margin:0 0 28px}
  .cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
  .trust{font-size:15px;color:var(--muted);margin:0}
  .intro{color:var(--muted);max-width:720px;margin:0 0 36px}
  .grid{display:grid;gap:18px}
  .grid.three{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
  .grid.four{grid-template-columns:repeat(2,1fr)}
  .card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
  .card p{margin:0;color:var(--muted);font-size:16px}
  .group{margin-top:48px}
  .group:first-of-type{margin-top:0}
  .group > p{color:var(--muted);margin:0 0 18px}
  .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;padding:0;list-style:none}
  .tags li{border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:14px;color:var(--muted);background:var(--card)}
  .two{display:grid;grid-template-columns:1fr 1fr;gap:40px}
  ol.steps{counter-reset:s;list-style:none;padding:0;margin:0}
  ol.steps li{counter-increment:s;position:relative;padding-left:46px;margin-bottom:20px}
  ol.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;
    background:var(--brand);color:var(--brand-ink);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center}
  ol.steps strong,ul.checks strong{display:block}
  ol.steps span,ul.checks span{color:var(--muted);font-size:16px}
  ul.checks{list-style:none;padding:0;margin:0 0 24px}
  ul.checks li{padding-left:28px;position:relative;margin-bottom:12px;color:var(--muted);font-size:16px}
  ul.checks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
  .about{display:grid;grid-template-columns:200px 1fr;gap:36px;align-items:start}
  .about.noimg{grid-template-columns:1fr}
  .about img{width:200px;height:200px;border-radius:12px;object-fit:cover;background:var(--line);border:1px solid var(--line)}
  .about p{margin:0 0 16px}
  .creds{font-size:15px;color:var(--muted)}
  .contact{max-width:720px}
  .contact-lines{display:flex;flex-wrap:wrap;gap:8px 24px;margin:20px 0 28px;color:var(--muted)}
  .form{display:grid;gap:14px;align-content:start}
  .form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .form label{display:grid;gap:6px;font:500 15px/1.4 Inter,Arial,sans-serif;color:var(--text)}
  .form .opt{color:var(--muted);font-weight:400}
  .form input,.form select,.form textarea{font:400 16px/1.4 Roboto,Arial,sans-serif;padding:10px 12px;border:1px solid var(--line);
    border-radius:8px;background:var(--bg);color:var(--text);width:100%}
  .form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand)}
  .form textarea{resize:vertical;min-height:140px}
  .form button{justify-self:start;cursor:pointer}
  .form button:disabled{opacity:.6;cursor:wait}
  .form .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
  .form-status{margin:0;font-size:15px;min-height:1.4em}
  .form-status.ok{color:var(--ok)}
  .form-status.err{color:var(--err)}
  #contact .two{align-items:start}
  section[id]{scroll-margin-top:72px}
  footer{padding:28px 0;color:var(--muted);font-size:14px}
  footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
  .card.service{display:flex;flex-direction:column}
  .card.service .more{margin-top:auto;padding-top:16px}
  ul.mini{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:15px}
  ul.mini li{margin-bottom:4px}
  .tags-label{margin:28px 0 0;font-size:15px;font-weight:600;color:var(--text)}
  .tags-label + .tags{margin-top:10px}
  .narrow > *{max-width:760px}
  .narrow p{color:var(--muted)}
  footer .foot-links{display:flex;flex-wrap:wrap;gap:6px 18px}
  footer a{color:var(--muted)}
  @media (max-width:1040px){
    .links a.navlink{display:none}
    .menu{display:block}
    .links{gap:10px}
  }
  @media (max-width:760px){
    .grid.four{grid-template-columns:1fr}
    section{padding:56px 0}
    .two{grid-template-columns:1fr;gap:28px}
    .form .row{grid-template-columns:1fr}
    .about{grid-template-columns:1fr}
    .about img{width:140px;height:140px}
  }