:root{
    --bg:#F6FAF9;
    --card:#FFFFFF;
    --ink:#0C1F1C;
    --muted:#5A6E6A;
    --line:#E2ECE9;
    --mint:#40D9B5;
    --cyan:#01C4D9;
    --grad:linear-gradient(100deg,#40D9B5,#01C4D9);
    --mono:'IBM Plex Mono',ui-monospace,monospace;
    --radius:18px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  html,body{overflow-x:hidden}
  body{font-family:'Onest',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:1140px;margin:0 auto;padding:0 24px}

  /* ── header ─────────────────────────── */
  header{position:sticky;top:0;z-index:50;background:rgba(246,250,249,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
  header.scrolled{box-shadow:0 6px 24px rgba(12,31,28,.07)}
  .menu a.active{color:#149c82}
  .nav{display:flex;align-items:center;justify-content:space-between;height:76px}
  .nav .logo svg,.nav .logo img{height:34px;width:auto;display:block}
  .menu{display:flex;gap:34px;font-weight:500;font-size:15.5px}
  .menu a{position:relative;padding:4px 0;color:var(--ink);transition:color .2s}
  .menu a::after{content:'';position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--grad);border-radius:2px;transition:width .25s}
  .menu a:hover::after,.menu a.active::after{width:100%}
  .burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
  .burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.25s}

  /* ── hero ───────────────────────────── */
  .hero{padding:110px 0 90px;position:relative;overflow:hidden}
  .hero::before{content:'';position:absolute;top:-220px;right:-180px;width:640px;height:640px;border-radius:50%;
    background:radial-gradient(circle,rgba(64,217,181,.16),rgba(1,196,217,.06) 55%,transparent 72%);pointer-events:none}
  .sk-chip{display:inline-flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:999px;
    padding:9px 18px 9px 12px;font-size:14px;font-weight:500;color:var(--muted);box-shadow:0 2px 10px rgba(12,31,28,.04)}
  .sk-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(64,217,181,.18);animation:pulse 2.6s infinite}
  @keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(64,217,181,.18)}50%{box-shadow:0 0 0 7px rgba(64,217,181,.07)}}
  h1{font-size:clamp(30px,4.6vw,52px);line-height:1.16;font-weight:700;letter-spacing:-.02em;max-width:620px;margin:28px 0 22px;position:relative}
  h1 .ai{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero-sub{font-size:17px;color:var(--muted);max-width:640px}
  .hero-line{height:3px;width:120px;background:var(--grad);border-radius:3px;margin-top:38px;animation:grow 1.2s ease both}
  @keyframes grow{from{width:0}to{width:120px}}


  /* ── 3D-кубы (мотив старого сайта) ── */
  .hero .wrap{position:relative}
  .hero{min-height:900px;display:flex;align-items:center}
  .hero>.wrap{width:100%}
  .scene{position:absolute;top:20px;right:-40px;width:700px;height:840px;pointer-events:none;
    transform-style:preserve-3d}
  .cube{position:absolute;transform-style:preserve-3d;
    transform:rotateX(-21deg) rotateY(26deg) rotateY(var(--pry,0deg)) rotateX(var(--prx,0deg))}
  .cube .face{position:absolute;width:var(--s);height:var(--s);display:flex;align-items:center;justify-content:center;
    border:1px solid rgba(64,217,181,.18)}
  .cube .f-front{background:linear-gradient(160deg,#ffffff,#F1FAF7);transform:translateZ(calc(var(--s) / 2))}
  .cube .f-right{background:linear-gradient(200deg,#E9F8F3,#D4F2EA);transform:rotateY(90deg) translateZ(calc(var(--s) / 2))}
  .cube .f-left{background:linear-gradient(200deg,#F2FBF8,#E2F6F0);transform:rotateY(-90deg) translateZ(calc(var(--s) / 2))}
  .cube .f-top{background:linear-gradient(135deg,#40D9B5,#01C4D9);transform:rotateX(90deg) translateZ(calc(var(--s) / 2))}
  .cube .lbl-b{font-weight:800;letter-spacing:.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.05;text-align:center}
  .cube .lbl-s{display:block;font-size:.34em;font-weight:700;letter-spacing:.22em;color:#7FCBBB;-webkit-text-fill-color:#7FCBBB;background:none}
  .cube-w{position:absolute;transform-style:preserve-3d;animation:floaty 6s ease-in-out infinite}
  .cube-ai{top:40px;right:120px}
  .cube-ai .cube{--s:210px}
  .cube-ai .lbl-b{font-size:68px}
  .cube-web{top:300px;right:410px;animation-delay:-2.1s}
  .cube-web .cube{--s:210px}
  .cube-web .lbl-b{font-size:50px}
  .cube-app{top:510px;right:100px;animation-delay:-4.2s}
  .cube-app .cube{--s:210px}
  .cube-app .lbl-b{font-size:50px}
  @keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(14px)}}
  @media (max-width:1520px){.scene{transform:scale(.85);transform-origin:top right;right:40px;top:15px}.hero{min-height:820px}}
  @media (max-width:1300px){.scene{transform:scale(.72);transform-origin:top right;right:70px;top:10px}.hero{min-height:720px}}
  @media (max-width:1160px){.scene{transform:scale(.58);transform-origin:top right;right:80px;top:10px}.hero{min-height:600px}}
  @media (max-width:980px){.scene{display:none}.hero{min-height:0}}

  /* ── sections ───────────────────────── */
  section{padding:88px 0}
  .eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:500;margin-bottom:14px}
  h2{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.015em;line-height:1.22;max-width:720px}

  /* benefits */
  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px}
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;transition:transform .25s,box-shadow .25s}
  .card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(12,31,28,.08)}
  .card .ico{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,rgba(64,217,181,.14),rgba(1,196,217,.14));
    display:flex;align-items:center;justify-content:center;margin-bottom:20px}
  .card .ico svg{width:22px;height:22px;stroke:url(#gstroke);stroke:#17b899;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
  .card h3{font-size:17.5px;font-weight:600;margin-bottom:8px}
  .card p{font-size:14.8px;color:var(--muted)}

  /* ── skolkovo ───────────────────────── */
  .jobs-band{background:#0D2622;border-radius:28px;padding:48px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;overflow:hidden}
  .jobs-btn{background:var(--grad);color:#fff;font-weight:700;font-size:15.5px;padding:16px 28px;border-radius:14px;white-space:nowrap;
    box-shadow:0 10px 26px rgba(1,196,217,.35);transition:transform .2s,box-shadow .2s}
  .jobs-btn:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(1,196,217,.45)}
  @media (max-width:640px){.jobs-band{padding:32px 24px}}
  .sk{background:#0D2622;color:#EAF6F3;border-radius:28px;padding:64px 56px;position:relative;overflow:hidden}
  .sk::after{content:'';position:absolute;bottom:-260px;left:-160px;width:560px;height:560px;border-radius:50%;
    background:radial-gradient(circle,rgba(64,217,181,.22),transparent 70%);pointer-events:none}
  .sk .eyebrow{color:var(--mint)}
  .sk h2{color:#fff}
  .sk p.lead{color:#B9D2CC;font-size:16px;max-width:640px;margin-top:16px}
  .sk-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;margin-top:46px;position:relative;z-index:1}
  .reestr{background:rgba(255,255,255,.05);border:1px solid rgba(64,217,181,.28);border-radius:20px;padding:30px 32px;font-family:var(--mono)}
  .reestr .r-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px dashed rgba(64,217,181,.3);margin-bottom:8px}
  .reestr .r-title{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#8FB8AF}
  .reestr .status{font-size:11.5px;color:var(--mint);border:1px solid rgba(64,217,181,.5);border-radius:999px;padding:4px 12px;white-space:nowrap}
  .reestr dl{display:grid;grid-template-columns:auto 1fr;gap:10px 22px;font-size:14px;margin-top:14px}
  .reestr dt{color:#8FB8AF}
  .reestr dd{color:#fff;font-weight:500;text-align:right}
  .reestr .r-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:13px;color:var(--mint);border-bottom:1px solid transparent;transition:border-color .2s}
  .reestr .r-link:hover{border-color:var(--mint)}
  .sk-points{display:flex;flex-direction:column;gap:18px}
  .sk-point{display:flex;gap:16px;align-items:flex-start}
  .sk-point .n{font-family:var(--mono);font-size:12px;color:var(--mint);border:1px solid rgba(64,217,181,.4);border-radius:8px;padding:5px 9px;margin-top:2px;white-space:nowrap}
  .sk-point p{font-size:14.5px;color:#C7DBD6;flex:1;min-width:0}
  .sk-point b{color:#fff;font-weight:600}

  .ip-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:52px}
  .ip-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;position:relative}
  .ip-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:14px}
  .ip-type{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
  .ip-status{font-family:var(--mono);font-size:11px;white-space:nowrap;padding:5px 12px;border-radius:999px}
  .ip-status.pending{color:#B07D1E;background:#FCF3E1;border:1px solid #F0DFB8}
  .ip-status.done{color:#149c82;background:#E7F8F2;border:1px solid #BFEDE0}
  .ip-card h3{font-size:17px;font-weight:600;margin:6px 0 10px}
  .ip-card p{font-size:14.5px;color:var(--muted)}
  .ip-num{font-family:var(--mono);font-size:13px;color:var(--ink);margin-top:16px;display:block;line-height:1.7;overflow-wrap:anywhere}
  .ip-num a{color:#149c82;border-bottom:1px solid rgba(20,156,130,.35)}
  @media (max-width:760px){.ip-grid{grid-template-columns:1fr}}
  /* ── contacts ───────────────────────── */
  .c-grid{display:grid;grid-template-columns:400px 1fr;gap:24px;margin-top:52px;align-items:stretch}
  .c-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px}
  .c-card .lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
  .c-card .val{font-size:16px;font-weight:500;color:#5A6E6A;margin-bottom:24px;display:block;transition:color .2s}
  a.val:hover{color:#17b899}
  .map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:380px;background:var(--card);position:relative}
  .map-art{position:relative;height:100%;min-height:380px;display:flex;flex-direction:column}
  .map-art svg{flex:1;width:100%;min-height:300px;display:block}
  .map-art .route{stroke-dasharray:900;stroke-dashoffset:900;animation:draw 2.2s .3s ease forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  .map-art .pin{animation:drop .7s .9s cubic-bezier(.2,1.4,.4,1) both;transform-origin:340px 274px}
  @keyframes drop{from{transform:translateY(-36px);opacity:0}to{transform:none;opacity:1}}
  .map-art .ring{transform-origin:340px 252px;animation:ringPulse 2.4s 1.6s ease-out infinite}
  @keyframes ringPulse{0%{transform:scale(.6);opacity:.9}70%{transform:scale(2.4);opacity:0}100%{opacity:0}}
  .map-actions{display:flex;gap:10px;flex-wrap:wrap;padding:16px 20px 20px;border-top:1px solid var(--line);background:rgba(255,255,255,.7);backdrop-filter:blur(6px)}
  .map-btn{font-size:13.5px;font-weight:600;padding:10px 16px;border-radius:12px;border:1px solid var(--line);transition:transform .2s,box-shadow .2s,border-color .2s}
  .map-btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(12,31,28,.1);border-color:var(--mint)}
  .map-btn.primary{background:var(--grad);color:#fff;border:none}

  /* ── 3D tilt + блик ─────────────────── */
  .tilt{transform-style:preserve-3d;will-change:transform;transition:transform .35s ease,box-shadow .35s ease}
  .tilt.tilting{transition:transform .06s linear,box-shadow .35s ease;
    transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateY(-4px)}
  .tilt::before{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;
    background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(64,217,181,.16),rgba(1,196,217,.05) 45%,transparent 70%)}
  .tilt:hover::before{opacity:1}
  .tilt::after{content:'';position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;opacity:0;transition:opacity .3s;
    background:radial-gradient(300px circle at var(--mx,50%) var(--my,50%),rgba(64,217,181,.8),rgba(1,196,217,.25) 55%,transparent 75%);
    -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
  .tilt:hover::after{opacity:1}
  .card{position:relative}
  .card .ico,.card h3,.card p{transform:translateZ(0)}
  .tilt.tilting .ico{transform:translateZ(34px)}
  .tilt.tilting h3{transform:translateZ(22px)}
  .tilt.tilting p{transform:translateZ(12px)}
  .card .ico{transition:transform .35s ease,box-shadow .35s ease}
  .card:hover .ico{box-shadow:0 10px 22px rgba(64,217,181,.25)}
  .card:hover .ico svg{animation:icoWiggle .6s ease}
  @keyframes icoWiggle{0%{transform:scale(1)}40%{transform:scale(1.15) rotate(-6deg)}100%{transform:scale(1)}}

  /* ── footer ─────────────────────────── */
  footer{border-top:1px solid var(--line);padding:56px 0 36px;font-size:14px;color:var(--muted);background:#FDFEFE}
  .f-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:40px}
  .f-brand .f-desc{font-size:13.5px;line-height:1.65;margin:18px 0 22px;max-width:300px}
  .f-logo svg,.f-logo img{height:28px;width:auto;display:block;opacity:.92;transition:opacity .2s}
  .f-logo:hover svg,.f-logo:hover img{opacity:1}
  .f-title{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#8AA09B;margin-bottom:16px}
  .f-col a{display:block;padding:5px 0;transition:color .2s}
  .f-col a:hover{color:#149c82}
  .sk-badge{display:inline-block;line-height:0;transition:transform .2s,opacity .2s;opacity:.95}
  .sk-badge:hover{transform:translateY(-2px);opacity:1}
  .sk-badge svg,.sk-badge img{height:33px;width:auto;display:block}
  .f-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
    font-family:var(--mono);font-size:12px;color:#8AA09B;line-height:1.8}
  @media (max-width:960px){.f-grid{grid-template-columns:1fr 1fr}}
  @media (max-width:560px){.f-grid{grid-template-columns:1fr;gap:28px}.f-bottom{flex-direction:column;gap:4px}}

  .to-top{position:fixed;right:26px;bottom:26px;z-index:60;width:48px;height:48px;border-radius:14px;border:none;cursor:pointer;
    background:var(--grad);color:#fff;font-size:20px;line-height:1;box-shadow:0 10px 26px rgba(1,196,217,.35);
    opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .3s,transform .3s}
  .to-top.show{opacity:1;transform:none;pointer-events:auto}
  .to-top:hover{transform:translateY(-3px)}
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none}
    .hero-line{animation:none}
    .sk-chip .dot{animation:none}
    .tilt.tilting{transform:none}
    .map-art .route,.map-art .pin,.map-art .ring,.card:hover .ico svg,.cube-w{animation:none}
    .map-art .route{stroke-dashoffset:0}
  }
  @media (max-width:960px){
    .grid{grid-template-columns:1fr 1fr}
    .sk-grid{grid-template-columns:1fr}
    .c-grid{grid-template-columns:1fr}
    .sk{padding:44px 28px}
  }
  @media (max-width:860px){
    .menu{position:fixed;inset:76px 0 auto 0;background:var(--bg);flex-direction:column;gap:0;padding:8px 24px 20px;
      border-bottom:1px solid var(--line);display:none;box-shadow:0 16px 30px rgba(12,31,28,.08)}
    .menu.open{display:flex}
    .menu a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}
    .menu a::after{display:none}
    .burger{display:block}
  }
  @media (max-width:640px){
    .wrap{padding:0 18px}
    .grid{grid-template-columns:1fr}
    .hero{padding:64px 0 52px}
    h1{font-size:clamp(28px,8vw,36px)}
    .hero-sub{font-size:15.5px}
    section{padding:56px 0}
    .card{padding:24px 22px}
    .c-card{padding:26px 22px}
    .c-card .val{font-size:15px}
    .map{min-height:320px}
    .map-art{min-height:320px}
    .map-art svg{min-height:230px}
    .map-actions{padding:12px 14px 16px;gap:8px}
    .map-btn{flex:1 1 auto;text-align:center;padding:11px 10px;font-size:13px}
    .reestr{padding:22px 20px}
    .reestr dl{grid-template-columns:1fr;gap:2px 0}
    .reestr dd{text-align:left;margin-bottom:10px}
    .ip-card{padding:24px 20px}
    .ip-num{word-break:break-word}
    .jobs-btn{width:100%;text-align:center}
    .to-top{right:16px;bottom:16px;width:44px;height:44px}
    .sk-chip{font-size:12.5px;padding:8px 14px 8px 10px}
    .sk{padding:32px 18px;border-radius:22px}
    .sk-grid{gap:28px;margin-top:34px}
    .sk p.lead{font-size:14.5px}
    .reestr .r-head{flex-direction:column;align-items:flex-start;gap:10px}
    .reestr .r-title{letter-spacing:.08em}
    .reestr dt{margin-top:6px}
    .reestr dd{font-size:13.5px;overflow-wrap:anywhere}
    .sk-point{gap:12px}
    .sk-point .n{font-size:11px;padding:4px 7px}
    .sk-point p{font-size:13.5px}
    footer{padding:44px 0 30px}
  }