:root{
  --bg:#0a0a0a; --panel:#141414; --line:#262626; --text:#f4f4f4; --soft:#8e8e8e; --accent:#f4f4f4;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft)}

header{position:sticky;top:0;z-index:5;background:rgba(10,10,10,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;justify-content:space-between;align-items:center;height:88px}
.mark{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em}
.mark img{display:block;height:64px;width:64px}
nav{display:flex;gap:26px;font-size:14px}
nav a{color:var(--soft);transition:color .15s}
nav a:hover{color:var(--text)}

.hero{position:relative;padding-top:120px;padding-bottom:104px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% 30% auto -10%;height:560px;background:radial-gradient(closest-side,rgba(255,255,255,.07),transparent);pointer-events:none}
.hero h1{position:relative;font-size:clamp(40px,7.2vw,88px);line-height:1;letter-spacing:-.04em;font-weight:650;margin:20px 0 26px;max-width:13ch;text-wrap:balance}
.hero h1 span{color:var(--soft)}
.hero p{position:relative;max-width:50ch;color:var(--soft);font-size:19px;margin:0 0 36px}
.btns{position:relative;display:flex;gap:12px;flex-wrap:wrap}
.btn{font-size:15px;font-weight:550;padding:13px 22px;border-radius:10px;border:1px solid var(--line);transition:border-color .15s,background .15s}
.btn:hover{border-color:var(--soft)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--bg)}
.btn.primary:hover{background:#d4d4d4;border-color:#d4d4d4}

section{padding:80px 0;border-top:1px solid var(--line)}
.head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:32px}
.head .mono{white-space:nowrap}
section{scroll-margin-top:88px}
h2{font-size:clamp(26px,3.6vw,38px);letter-spacing:-.03em;font-weight:650;margin:0}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{display:flex;flex-direction:column;min-height:210px;padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:14px;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.card .mono{display:flex;justify-content:space-between}
.card .mono b{font-weight:400;color:var(--accent);opacity:0;transition:opacity .2s}
.card:hover .mono b{opacity:1}
.card h3{font-size:21px;letter-spacing:-.02em;font-weight:600;margin:auto 0 6px;padding-top:28px}
.card p{margin:0 0 14px;font-size:14px;line-height:1.45;color:var(--soft)}
.card .dom{font-family:var(--mono);font-size:12px;color:var(--text)}

.services{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.services div{padding:22px 0 0;border-top:1px solid var(--text)}
.services h3{font-size:18px;font-weight:600;letter-spacing:-.01em;margin:0 0 6px}
.services p{margin:0;font-size:14px;color:var(--soft);line-height:1.5}

.contact{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding:36px;background:var(--panel);border:1px solid var(--line);border-radius:18px}
.contact h2{max-width:16ch}
.contact a{font-size:clamp(18px,2.6vw,26px);color:var(--accent);border-bottom:1px solid transparent;transition:border-color .15s}
.contact a:hover{border-color:var(--accent)}

footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:28px;padding-bottom:40px;font-size:13px;color:var(--soft)}
footer nav{font-size:13px;gap:20px}

.lang{padding-left:14px;border-left:1px solid var(--line)}

.doc{max-width:720px;padding-top:72px;padding-bottom:96px}
.doc h1{font-size:clamp(34px,5vw,52px);line-height:1.05;letter-spacing:-.04em;font-weight:650;margin:14px 0 10px}
.doc .lead{font-size:19px;color:var(--soft);margin:0 0 36px}
.doc h2{font-size:21px;letter-spacing:-.02em;margin:40px 0 10px}
.doc p,.doc li{color:#cfcfcf}
.doc ul{padding-left:20px}
.doc li{margin:6px 0}
.doc h3{font-size:17px;letter-spacing:-.01em;margin:26px 0 4px}
.doc h3+p{margin-top:0}
.doc a{color:var(--text);border-bottom:1px solid var(--soft)}
.doc a:hover{border-color:var(--text)}
.doc .box{margin:28px 0;padding:22px 24px;background:var(--panel);border:1px solid var(--line);border-radius:14px}
.doc .box a{font-size:clamp(18px,2.6vw,24px);border:0}
.doc .updated{margin-top:56px;font-size:14px;color:var(--soft)}

@media (max-width:980px){.grid,.services{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){
  .wrap{padding:0 20px}
  header nav{gap:11px;font-size:12.5px}
  .lang{padding-left:11px}
  .mark img{height:56px;width:56px}
  .mark{font-size:15px;gap:8px}
  .hero{padding-top:76px;padding-bottom:68px}
  .grid,.services{grid-template-columns:1fr}
  .card{min-height:0}
  .contact{padding:24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}