:root{
    --bg:#f5f6f8; --surface:#ffffff; --ink:#14181f; --muted:#5a6372; --line:#e2e5ea;
    --steel:#1d2633; --steel-2:#2a3646; --accent:#c8902e; --accent-ink:#1a1206;
    --radius:14px; --max:1120px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
  a{color:inherit}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

  /* header */
  header{position:sticky;top:0;z-index:10;background:rgba(29,38,51,.96);backdrop-filter:blur(6px);color:#fff}
  .nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
  .logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;letter-spacing:.02em}
  .logo-mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#8d99a8,#e9edf2 45%,#6b7685);display:grid;place-items:center;color:var(--steel);font-weight:800;font-size:15px}
  .logo small{display:block;font-weight:400;font-size:11px;opacity:.7;letter-spacing:.08em;text-transform:uppercase}
  nav ul{display:flex;gap:24px;list-style:none;margin:0;padding:0}
  nav a{text-decoration:none;font-size:15px;opacity:.85}
  nav a:hover{opacity:1;color:var(--accent)}
  .btn{display:inline-block;padding:12px 22px;border-radius:10px;background:var(--accent);color:var(--accent-ink);font-weight:600;text-decoration:none;border:0;cursor:pointer;font-size:15px}
  .btn:hover{filter:brightness(1.08)}
  .btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
  .menu-btn{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer}

  /* hero */
  .hero{background:radial-gradient(1200px 500px at 85% -10%,#3a4a5f 0,transparent 60%),linear-gradient(180deg,var(--steel),var(--steel-2));color:#fff;padding:96px 0 104px}
  .eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
  .hero h1{font-size:clamp(32px,5vw,54px);line-height:1.12;margin:0 0 22px;max-width:820px}
  .hero p{font-size:clamp(17px,2vw,20px);color:#c9d1dc;max-width:700px;margin:0 0 34px}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap}
  .facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border-radius:var(--radius);overflow:hidden;margin-top:64px}
  .fact{background:rgba(29,38,51,.85);padding:22px}
  .fact b{display:block;font-size:17px;margin-bottom:4px;color:#fff}
  .fact span{font-size:14px;color:#aeb8c5}

  section{padding:88px 0}
  .section-head{max-width:720px;margin-bottom:44px}
  .section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.2;margin:0 0 14px}
  .section-head p{color:var(--muted);margin:0;font-size:17px}

  /* services */
  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
  .card .num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em}
  .card h3{font-size:19px;margin:10px 0 10px;line-height:1.3}
  .card p{color:var(--muted);margin:0;font-size:15px}

  /* situations */
  .situations{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .sit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 40px;list-style:none;padding:0;margin:0}
  .sit-list li{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
  .sit-list li::before{content:"";flex:0 0 10px;height:10px;margin-top:8px;border-radius:2px;background:var(--accent);transform:rotate(45deg)}

  /* process */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
  .step{position:relative;padding-top:56px}
  .step::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:0;left:0;font-size:34px;font-weight:800;color:var(--steel);opacity:.18}
  .step h3{margin:0 0 8px;font-size:18px}
  .step p{margin:0;color:var(--muted);font-size:15px}

  /* results */
  .dark{background:var(--steel);color:#fff}
  .dark .section-head p{color:#aeb8c5}
  .docs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .doc{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:26px;background:rgba(255,255,255,.03)}
  .doc h3{margin:0 0 8px;font-size:18px}
  .doc p{margin:0;color:#aeb8c5;font-size:15px}

  /* principles */
  .principles{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .principle{display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
  .principle .ic{flex:0 0 44px;height:44px;border-radius:10px;background:#f3ead9;color:#8a5f14;display:grid;place-items:center;font-weight:800}
  .principle h3{margin:0 0 6px;font-size:18px}
  .principle p{margin:0;color:var(--muted);font-size:15px}

  /* contacts */
  .contact{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
  .contact-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
  .contact-row{padding:14px 0;border-bottom:1px solid var(--line)}
  .contact-row:last-child{border-bottom:0}
  .contact-row span{display:block;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
  .contact-row a,.contact-row b{font-size:18px;font-weight:600;text-decoration:none}
  form{display:grid;gap:14px}
  label{font-size:14px;color:var(--muted)}
  input,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
  textarea{min-height:120px;resize:vertical}
  .note{font-size:13px;color:var(--muted)}

  footer{background:#11161e;color:#8f9aa8;padding:34px 0;font-size:14px}
  footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

  @media (max-width:900px){
    .grid,.docs{grid-template-columns:1fr 1fr}
    .steps{grid-template-columns:1fr 1fr;row-gap:36px}
    .facts{grid-template-columns:1fr 1fr}
    .contact{grid-template-columns:1fr}
  }
  @media (max-width:720px){
    nav ul{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:var(--steel);padding:8px 20px 18px}
    nav ul.open{display:flex}
    nav li a{display:block;padding:12px 0}
    .menu-btn{display:block}
    .nav .btn{display:none}
    .grid,.docs,.steps,.principles,.sit-list,.facts{grid-template-columns:1fr}
    .hero{padding:64px 0 72px}
    section{padding:64px 0}
  }

  /* ---- additions ---- */
  .skip{position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:8px 12px;border-radius:8px;z-index:100}
  .skip:focus{left:8px}
  :focus-visible{outline:3px solid var(--accent);outline-offset:2px}
  .logo img{width:36px;height:36px;display:block}
  .nav-right{display:flex;align-items:center;gap:14px}
  .lang{display:flex;border:1px solid rgba(255,255,255,.3);border-radius:8px;overflow:hidden;font-size:13px;font-weight:600}
  .lang a,.lang span{padding:6px 10px;text-decoration:none}
  .lang span{background:rgba(255,255,255,.16)}
  .lang a{opacity:.75}
  .lang a:hover{opacity:1}

  /* about */
  .about{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
  .about p{color:var(--muted);font-size:17px;margin:0 0 16px}
  .about-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
  .about-list li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
  .about-list b{display:block;margin-bottom:2px}
  .about-list span{color:var(--muted);font-size:15px}

  /* faq */
  .faq{max-width:840px;display:grid;gap:12px}
  .faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 22px}
  .faq summary{cursor:pointer;list-style:none;padding:20px 32px 20px 0;font-weight:600;font-size:17px;position:relative}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";position:absolute;right:0;top:16px;font-size:24px;color:var(--accent);font-weight:400}
  .faq details[open] summary::after{content:"–"}
  .faq details p{margin:0 0 20px;color:var(--muted)}

  /* articles teaser */
  .teaser{display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:26px 28px;text-decoration:none}
  .teaser:hover{border-color:var(--accent)}
  .teaser small{display:block;color:var(--accent);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:12px;margin-bottom:6px}
  .teaser b{font-size:19px;line-height:1.35}
  .teaser .arrow{font-size:26px;color:var(--accent)}

  /* form consent */
  .consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
  .consent input{width:auto;margin-top:4px}

  /* whatsapp */
  .wa{position:fixed;right:18px;bottom:18px;z-index:20;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.25)}
  .wa:hover{transform:scale(1.06)}
  .wa svg{width:32px;height:32px;fill:#fff}

  /* article */
  .page-hero{background:linear-gradient(180deg,var(--steel),var(--steel-2));color:#fff;padding:64px 0 56px}
  .page-hero h1{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:0 0 14px;max-width:860px}
  .page-hero p{color:#c9d1dc;margin:0;max-width:760px;font-size:18px}
  .crumbs{font-size:14px;color:#aeb8c5;margin-bottom:18px}
  .crumbs a{text-decoration:none;color:#d7dde6}
  .article{max-width:760px;padding:56px 20px 80px;margin:0 auto;font-size:17px}
  .article h2{font-size:26px;line-height:1.25;margin:44px 0 14px}
  .article h3{font-size:19px;margin:28px 0 8px}
  .article p,.article li{color:#2b313b}
  .article ol,.article ul{padding-left:22px}
  .article li{margin-bottom:8px}
  .callout{background:#f3ead9;border-left:4px solid var(--accent);border-radius:10px;padding:18px 20px;margin:28px 0}
  .callout p{margin:0}
  .cta-box{background:var(--steel);color:#fff;border-radius:var(--radius);padding:30px;margin-top:48px}
  .cta-box h2{margin:0 0 10px;color:#fff;font-size:22px}
  .cta-box p{color:#c9d1dc;margin:0 0 18px}

  @media (max-width:900px){ .about{grid-template-columns:1fr} }
  @media (max-width:720px){
    .lang{font-size:12px}
    .teaser{flex-direction:column;align-items:flex-start}
  }
  .logo span{white-space:nowrap}
  @media (max-width:720px){
    .logo small{display:none}
    .logo{font-size:15px}
    nav{order:3}
    .nav{gap:10px}
  }
  section[id],[id="top"]{scroll-margin-top:72px}