:root{
    --navy:#070f26; --navy2:#0c1c47; --navy3:#13266b;
    --blue:#2f6bff; --blue-d:#1e4fd6; --cyan:#1fc6e6;
    --ink:#0e1830; --muted:#5a6a86; --muted2:#8595ad;
    --bg:#f5f7fc; --card:#ffffff; --line:#e6ebf5; --line2:#eef2fa;
    --gold:#f2b134; --green:#22b07d;
    --shadow:0 18px 40px -24px rgba(15,30,70,.35);
    --shadow-sm:0 6px 18px -12px rgba(15,30,70,.35);
    --radius:16px; --maxw:1180px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--ink);
    font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
    font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
  h1,h2,h3{margin:0;line-height:1.15;letter-spacing:-.02em}
  button{font-family:inherit}
  section{scroll-margin-top:76px}
  a:focus-visible,button:focus-visible,[role="button"]:focus-visible{outline:3px solid rgba(67,216,241,.5);outline-offset:3px}
  .skip-link{position:fixed;left:16px;top:12px;z-index:100;transform:translateY(-160%);background:#fff;color:var(--ink);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}
  .skip-link:focus{transform:none}

  /* ===== Topbar ===== */
  .topbar{position:sticky;top:0;z-index:50;background:rgba(8,16,38,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
  .topbar-in{display:flex;align-items:center;gap:16px;padding:8px 22px}
  .brand{display:flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto;min-height:44px}
  .brand img{height:30px;width:auto}
  .topnav{display:flex;gap:2px;align-items:center;margin-left:auto;flex-wrap:wrap}
  .topnav a{border:0;background:transparent;color:#c4d0ec;font-size:13.5px;font-weight:600;padding:9px 11px;border-radius:9px;cursor:pointer;transition:.15s;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
  .topnav a:hover{color:#fff;background:rgba(255,255,255,.07)}
  .topnav a.cta{background:linear-gradient(135deg,var(--blue),var(--blue-d));color:#fff;box-shadow:0 12px 26px -12px var(--blue);margin-left:6px}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:600;border-radius:11px;padding:11px 18px;font-size:14.5px;transition:.18s;white-space:nowrap}
  .btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-d));color:#fff;box-shadow:0 12px 26px -12px var(--blue)}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px -12px var(--blue)}
  .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.2)}
  .btn-ghost:hover{background:rgba(255,255,255,.16)}
  .btn-soft{background:#eef2fb;color:var(--ink);border:1px solid var(--line)}
  .btn-soft:hover{background:#e3e9f7}

  /* ===== Hero ===== */
  .hero{position:relative;overflow:hidden;color:#fff;
    background:radial-gradient(900px 460px at 82% -8%,rgba(31,198,230,.30),transparent 60%),
      radial-gradient(760px 520px at 8% 12%,rgba(47,107,255,.36),transparent 62%),
      linear-gradient(160deg,var(--navy) 0%,var(--navy2) 58%,var(--navy3) 100%)}
  .hero::after{content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
    background-size:46px 46px;-webkit-mask-image:radial-gradient(70% 80% at 50% 0%,#000,transparent 75%);mask-image:radial-gradient(70% 80% at 50% 0%,#000,transparent 75%);opacity:.5;pointer-events:none}
  .hero-in{position:relative;z-index:2;padding:44px 22px 60px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#bcd0ff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);padding:7px 13px;border-radius:100px}
  .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(31,198,230,.22)}
  .hero h1{font-size:clamp(28px,5vw,50px);font-weight:900;margin:18px 0 0}
  .hero h1 .grad{background:linear-gradient(100deg,#7fb0ff,#43d8f1);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero p.lead{margin:16px 0 0;max-width:64ch;font-size:clamp(15px,1.8vw,18px);color:#cdd9f2;line-height:1.6}
  .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}

  /* ===== МФТИ band ===== */
  .mfti-band{position:relative;z-index:3;margin-top:-28px}
  .mfti-in{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
  .mfti-in .lead-t{font-size:14px;font-weight:800;color:var(--ink);white-space:nowrap}
  .mfti-in .lead-t span{display:block;font-weight:500;font-size:11.5px;color:var(--muted)}
  .mfti-stats{display:flex;gap:22px;flex-wrap:wrap;flex:1;justify-content:flex-end}
  .mfti-stats .st b{font-size:20px;font-weight:900;color:var(--blue-d);display:block;line-height:1}
  .mfti-stats .st span{font-size:11.5px;color:var(--muted)}
  .mfti-ranks{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
  .mfti-ranks .rk{font-size:12px;font-weight:600;color:#33425e;background:#f1f5fc;border:1px solid var(--line);border-radius:9px;padding:6px 10px}
  .mfti-ranks .rk b{color:var(--blue-d)}

  /* ===== Generic section ===== */
  .sec{padding:48px 0}
  .sec.alt{background:#eef2fb}
  .sec-head{max-width:70ch;margin-bottom:26px}
  .kicker{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
  .sec h2{font-size:clamp(23px,3.4vw,34px);font-weight:900;margin-top:8px}
  .sec .sub{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:66ch}

  .grid{display:grid;gap:16px}
  .g2{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(3,1fr)}
  .g4{grid-template-columns:repeat(4,1fr)}

  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm)}
  .card.tp{border-top:3px solid var(--acc,var(--blue))}
  .card h3{font-size:16.5px;font-weight:800;display:flex;align-items:center;gap:9px}
  .card .ic{width:34px;height:34px;border-radius:9px;flex:0 0 auto;display:grid;place-items:center;font-size:17px;background:linear-gradient(135deg,#eaf0ff,#e6f9fe);color:var(--blue)}
  .card p{margin:9px 0 0;font-size:13.6px;color:var(--muted);line-height:1.55}
  .card .num{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-weight:800;font-size:13px;display:grid;place-items:center;flex:0 0 auto}

  .pill{display:inline-block;font-size:12px;font-weight:700;color:var(--blue-d);background:#e9f0ff;border:1px solid #d6e3ff;border-radius:100px;padding:4px 11px;margin:3px 4px 0 0}
  .res{margin-top:12px;background:linear-gradient(135deg,#eef4ff,#e9fbff);border:1px solid var(--line);border-radius:11px;padding:10px 13px;font-size:13px;font-weight:600;color:var(--ink)}

  /* ===== Ecosystem graph (slide 4) ===== */
  .eco{background:linear-gradient(160deg,var(--navy),var(--navy2) 70%,var(--navy3));border-radius:20px;padding:22px;box-shadow:var(--shadow);color:#fff;position:relative;overflow:hidden}
  .eco::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;opacity:.6}
  .eco-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 300px;gap:18px;align-items:stretch}
  .eco-stage{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:14px;overflow:hidden}
  .eco svg{display:block;width:100%;height:auto}
  .eco-mobile-list{display:none}
  .gnode{cursor:pointer}
  .gnode rect,.gnode circle{transition:.15s}
  .gnode:hover .nbg,.gnode.sel .nbg{filter:brightness(1.12)}
  .gnode:focus .nbg{stroke:#fff;stroke-width:3}
  .gnode.sel .nbg{stroke:#fff;stroke-width:2.5}
  .gnode text{pointer-events:none}
  .edge{fill:none;stroke-width:3;opacity:.9;transition:.2s}
  .edge.dim{opacity:.14}
  .flow-money{stroke:var(--gold)}
  .flow-know{stroke:#7fb0ff}
  .flow-prod{stroke:var(--green)}

  .eco-side{display:flex;flex-direction:column;gap:12px}
  .legend{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:13px;padding:12px 14px}
  .legend .lt{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#9fb2da;margin-bottom:8px}
  .legend button{display:flex;align-items:center;gap:9px;width:100%;min-height:44px;background:transparent;border:0;color:#dbe6ff;font-size:13px;font-weight:600;padding:8px 6px;border-radius:8px;cursor:pointer;transition:.14s}
  .legend button:hover,.legend button.on{background:rgba(255,255,255,.09)}
  .legend .sw{width:22px;height:6px;border-radius:3px;flex:0 0 auto}
  .eco-detail{background:var(--card);color:var(--ink);border-radius:13px;padding:15px 16px;flex:1;min-height:150px;box-shadow:var(--shadow-sm)}
  .eco-detail h4{font-size:16px;font-weight:800;margin:0 0 4px;display:flex;align-items:center;gap:8px}
  .eco-detail .tag{font-size:11px;font-weight:700;color:var(--blue-d);background:#e9f0ff;border-radius:100px;padding:3px 9px}
  .eco-detail p{margin:8px 0 0;font-size:13.2px;color:var(--muted);line-height:1.55}
  .eco-detail .chips{margin-top:9px}
  .eco-hint{font-size:12px;color:var(--muted2)}

  /* ===== Cases ===== */
  .case{display:flex;flex-direction:column;height:100%}
  .case .top{display:flex;align-items:center;gap:11px}
  .case .logo{width:46px;height:46px;border-radius:11px;background:linear-gradient(135deg,var(--navy2),var(--navy3));color:#fff;display:grid;place-items:center;font-size:22px;flex:0 0 auto}
  .case .metrics{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
  .case .metrics .m{background:#eef4ff;border:1px solid var(--line);border-radius:10px;padding:8px 11px;flex:1;min-width:120px}
  .case .metrics .m b{display:block;font-size:16px;font-weight:900;color:var(--blue-d)}
  .case .metrics .m span{font-size:11px;color:var(--muted)}

  /* ===== Competencies ===== */
  .comp-inst{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
  .comp-inst .ci{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:11px;padding:12px 14px;box-shadow:var(--shadow-sm)}
  .comp-inst .ci b{font-size:14px}
  .comp-inst .ci p{margin:5px 0 0;font-size:12.5px;color:var(--muted)}
  .tagcloud{display:flex;flex-wrap:wrap;gap:7px;margin-top:6px}
  .tagcloud .t{font-size:12px;font-weight:600;color:#33425e;background:#f1f5fc;border:1px solid var(--line);border-radius:8px;padding:6px 10px}

  /* ===== Stats strip ===== */
  .statstrip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
  .statstrip .s{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:16px;box-shadow:var(--shadow-sm)}
  .statstrip .s b{font-size:26px;font-weight:900;color:var(--blue-d);display:block;line-height:1}
  .statstrip .s span{font-size:12.5px;color:var(--muted)}

  /* ===== CTA ===== */
  .cta-band{background:linear-gradient(160deg,var(--navy),var(--navy2) 70%,var(--navy3));border-radius:22px;color:#fff;padding:34px 34px;text-align:center;position:relative;overflow:hidden}
  .cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:900}
  .cta-band p{margin:12px auto 0;max-width:56ch;color:#cdd9f2;font-size:15px}
  .cta-band .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:22px}

  footer{padding:30px 0;color:var(--muted);font-size:13px}
  .foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
  .foot-links{display:flex;align-items:center;justify-content:flex-end;gap:8px 18px;flex-wrap:wrap}
  .foot-links a{color:var(--blue-d);font-weight:650;text-underline-offset:3px}

  /* ===== Responsive ===== */
  @media(max-width:920px){
    .eco-grid{grid-template-columns:1fr}
    .g4{grid-template-columns:repeat(2,1fr)}
    .statstrip{grid-template-columns:repeat(2,1fr)}
  }
  @media(max-width:640px){
    section{scroll-margin-top:120px}
    .wrap{padding-inline:16px}
    .topbar-in{padding:6px 16px 7px;gap:2px 10px;flex-wrap:wrap}
    .brand img{height:27px}
    .topnav{order:2;width:100%;margin-left:0;gap:2px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
    .topnav::-webkit-scrollbar{display:none}
    .topnav a{min-height:44px;padding:8px 10px;font-size:13px}
    .topnav a.cta{margin-left:2px}
    .g2,.g3,.g4{grid-template-columns:1fr}
    .comp-inst{grid-template-columns:1fr}
    .eco-detail{min-height:auto}
    .eco-side{display:none}
    .eco{padding:14px;border-radius:16px}
    .eco-stage{display:none}
    .eco-mobile-list{display:grid;gap:8px}
    .eco-mobile-list>div{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:11px;padding:11px 12px}
    .eco-mobile-list b{font-size:13px;color:#fff}
    .eco-mobile-list span{max-width:46%;font-size:11.5px;line-height:1.35;text-align:right;color:#aebfe2}
    .mfti-in{align-items:flex-start}
    .mfti-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:16px;justify-content:initial}
    .sec{padding:36px 0}
    .hero-in{padding:34px 16px 50px}
    .cta-band{padding:28px 18px}
    .foot-in,.foot-links{align-items:flex-start;justify-content:flex-start}
  }
  @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}