@font-face{font-family:Unbounded;font-weight:700;font-display:swap;src:url(fonts/unbounded-cyrillic-700-normal.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Unbounded;font-weight:700;font-display:swap;src:url(fonts/unbounded-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122}
@font-face{font-family:Unbounded;font-weight:800;font-display:swap;src:url(fonts/unbounded-cyrillic-800-normal.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Unbounded;font-weight:800;font-display:swap;src:url(fonts/unbounded-latin-800-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122}
@font-face{font-family:Manrope;font-weight:400;font-display:swap;src:url(fonts/manrope-cyrillic-400-normal.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Manrope;font-weight:400;font-display:swap;src:url(fonts/manrope-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122}
@font-face{font-family:Manrope;font-weight:500;font-display:swap;src:url(fonts/manrope-cyrillic-500-normal.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Manrope;font-weight:500;font-display:swap;src:url(fonts/manrope-latin-500-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122}
@font-face{font-family:Manrope;font-weight:600;font-display:swap;src:url(fonts/manrope-cyrillic-600-normal.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Manrope;font-weight:600;font-display:swap;src:url(fonts/manrope-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122}
@font-face{font-family:Manrope;font-weight:700;font-display:swap;src:url(fonts/manrope-cyrillic-700-normal.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Manrope;font-weight:700;font-display:swap;src:url(fonts/manrope-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122}

:root{
  --bg:#060b1a;
  --bg-2:#0a1226;
  --surface:#0e1830;
  --surface-2:#13203e;
  --line:rgba(120,160,255,.14);
  --line-strong:rgba(120,160,255,.28);
  --text:#eef2fb;
  --muted:#93a2c4;
  --blue:#3b7bff;
  --cyan:#22d3ee;
  --orange:#ff8a1f;
  --grad:linear-gradient(120deg,#3b7bff,#22d3ee);
  --radius:20px;
  --wrap:1180px;
  --head:'Unbounded',system-ui,sans-serif;
  --body:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.6 var(--body);overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--head);font-weight:700;line-height:1.15;margin:0;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- logo ---------- */
.logo{display:inline-flex;align-items:center;gap:10px;line-height:1}
.logo-mark{width:auto;height:44px;flex:none}
.logo-v2 .logo-mark{height:40px}
.logo-text{display:flex;flex-direction:column;gap:5px}
.logo-word{font-family:var(--head);font-weight:800;font-size:22px;letter-spacing:.02em;display:inline-flex;align-items:center}
.logo-tag{font-family:var(--body);font-weight:700;font-size:8.6px;letter-spacing:.22em;color:var(--muted);white-space:nowrap}
.logo-ring{height:.82em;width:.82em;margin:0 .04em}
.logo-lg .logo-mark{height:64px}
.logo-lg .logo-word{font-size:32px}
.logo-lg .logo-tag{font-size:11px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 26px;border-radius:14px;border:0;cursor:pointer;font-weight:700;font-size:16px;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap}
.btn-primary{background:var(--grad);color:#04101f;box-shadow:0 10px 30px -10px rgba(34,211,238,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(34,211,238,.75)}
.btn-ghost{background:rgba(255,255,255,.04);border:1px solid var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:12px}
.btn .arrow{transition:transform .2s ease}
.btn:hover .arrow{transform:translateX(3px)}

/* ---------- header ---------- */
.header{position:fixed;inset:0 0 auto;z-index:40;transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;border-bottom:1px solid transparent}
.header.scrolled{background:rgba(6,11,26,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:var(--muted);font-weight:600;font-size:15px;transition:color .2s}
.nav a:hover{color:var(--text)}
.head-actions{display:flex;align-items:center;gap:12px}
.lang{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:46px;padding:0 12px;border-radius:12px;border:1px solid var(--line-strong);font-weight:700;font-size:14px;letter-spacing:.06em;color:var(--muted);transition:color .2s,border-color .2s}
.lang:hover{color:var(--text);border-color:var(--cyan)}
.burger{display:none;width:44px;height:42px;border-radius:12px;border:1px solid var(--line-strong);background:none;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:120px 0 70px;overflow:hidden;isolation:isolate}
.hero::before{content:'';position:absolute;inset:0;z-index:-2;background:
  radial-gradient(900px 500px at 78% 40%,rgba(31,107,255,.22),transparent 70%),
  radial-gradient(600px 400px at 10% 90%,rgba(34,211,238,.10),transparent 70%),
  linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.hero::after{content:'';position:absolute;inset:0;z-index:-1;background-image:radial-gradient(rgba(140,180,255,.14) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(180deg,#000 0%,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 85%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:center;gap:30px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.eyebrow::before{content:'';width:8px;height:8px;border-radius:2px;background:var(--orange);box-shadow:0 0 12px var(--orange)}
.hero h1{font-size:clamp(32px,3.7vw,52px);margin:22px 0 22px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:clamp(17px,1.4vw,19px);color:var(--muted);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:56px;padding-top:28px;border-top:1px solid var(--line);max-width:600px}
.facts b{display:block;font-family:var(--head);font-weight:700;font-size:14px;line-height:1.3;color:var(--text);margin-bottom:6px}
.facts span{font-size:14px;color:var(--muted);line-height:1.45}
.scene-wrap{position:relative;margin-right:-60px}
.scene{width:100%;height:auto}

/* scene styling */
.scene .bx polygon{stroke:rgba(150,190,255,.28);stroke-width:.8;stroke-linejoin:round}
.scene .grid{stroke:rgba(90,150,255,.13);stroke-width:1}
.scene .edge{fill:rgba(31,107,255,.05);stroke:rgba(34,211,238,.35);stroke-width:1.2}
.scene .lane{stroke:rgba(255,138,31,.45);stroke-width:1.6;stroke-dasharray:6 7}
.scene .post{stroke:#4a6fc0;stroke-width:2.2;stroke-linecap:round}
.scene .led{fill:var(--cyan);filter:drop-shadow(0 0 4px var(--cyan))}
.scene .glow-floor{fill:rgba(34,211,238,.16)}
.scene .beam{stroke:var(--cyan);stroke-width:1.6;stroke-dasharray:4 8;opacity:.75;animation:beam 1.6s linear infinite}
.scene .node{fill:var(--bg);stroke:var(--cyan);stroke-width:1.6;animation:pulse 2.4s ease-in-out infinite}
.scene .arm{stroke:#6f8fd6;stroke-width:2.4;stroke-linecap:round}
.scene .rotor{fill:rgba(140,190,255,.18);stroke:rgba(160,205,255,.6);stroke-width:1}
.scene .drone{animation:hover 4s ease-in-out infinite}
.scene .d1{animation-delay:.4s}.scene .d2{animation-delay:.9s}.scene .d3{animation-delay:1.3s}
@keyframes beam{to{stroke-dashoffset:-24}}
@keyframes pulse{0%,100%{opacity:.45}50%{opacity:1}}
@keyframes hover{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ---------- sections ---------- */
section{padding:110px 0;position:relative}
.section-head{max-width:720px;margin-bottom:56px}
.label{display:inline-block;font-weight:700;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
h2{font-size:clamp(28px,3.2vw,42px)}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.about-text p{font-size:19px;color:var(--muted)}
.about-text p+p{margin-top:18px}
.about-text p:first-child{color:var(--text)}

.services{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;padding:32px 28px 30px;border-radius:var(--radius);background:linear-gradient(180deg,var(--surface),rgba(14,24,48,.55));border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease;overflow:hidden}
.card::after{content:'';position:absolute;inset:auto -40% -60% auto;width:220px;height:220px;background:radial-gradient(circle,rgba(34,211,238,.18),transparent 70%);opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.card:hover::after{opacity:1}
.icon{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:rgba(59,123,255,.12);border:1px solid rgba(59,123,255,.3);margin-bottom:22px}
.icon svg{width:26px;height:26px;stroke:var(--cyan);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:18px;margin-bottom:12px;line-height:1.3}
.card p{color:var(--muted);font-size:16px}
.card .num{position:absolute;top:26px;right:26px;font-family:var(--head);font-size:13px;color:rgba(147,162,196,.5)}

.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-item{padding:28px 24px;border-left:2px solid var(--line-strong);position:relative}
.why-item::before{content:'';position:absolute;left:-2px;top:28px;width:2px;height:34px;background:var(--grad)}
.why-item h3{font-size:17px;margin-bottom:10px;line-height:1.3}
.why-item p{color:var(--muted);font-size:15.5px}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{padding:30px 26px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);position:relative}
.step::before{counter-increment:step;content:'0' counter(step);display:block;font-family:var(--head);font-weight:800;font-size:34px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:16px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:15.5px}

.contact{padding-bottom:90px}
.contact-box{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;padding:56px;border-radius:28px;background:
  radial-gradient(600px 300px at 0% 0%,rgba(59,123,255,.25),transparent 70%),
  radial-gradient(500px 300px at 100% 100%,rgba(34,211,238,.14),transparent 70%),var(--surface);border:1px solid var(--line-strong);overflow:hidden}
.contact-box .lead{color:var(--muted);margin:18px 0 32px;font-size:18px;max-width:460px}
.contact-list{display:grid;gap:14px;align-content:start}
.contact-item{display:flex;gap:16px;align-items:center;padding:18px 20px;border-radius:16px;background:rgba(6,11,26,.5);border:1px solid var(--line);transition:border-color .2s}
a.contact-item:hover{border-color:var(--cyan)}
.contact-item .icon{margin:0;width:46px;height:46px;flex:none}
.contact-item .icon svg{width:22px;height:22px}
.contact-item small{display:block;color:var(--muted);font-size:13px;font-weight:600;letter-spacing:.04em}
.contact-item b{font-weight:700;font-size:17px;word-break:break-word}

.footer{border-top:1px solid var(--line);padding:30px 0}
.footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:14px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* ---------- modal ---------- */
.modal{border:0;padding:0;background:transparent;color:var(--text);max-width:520px;width:calc(100% - 32px);max-height:calc(100% - 32px);overflow:visible}
.modal::backdrop{background:rgba(3,6,15,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.modal[open]{animation:pop .25s ease}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}}
.modal-card{position:relative;padding:40px 36px 36px;border-radius:24px;background:linear-gradient(180deg,#111d3a,#0b1429);border:1px solid var(--line-strong);box-shadow:0 30px 80px -20px rgba(0,0,0,.7);max-height:calc(100vh - 32px);overflow:auto}
.modal h2{font-size:26px}
.modal .lead{color:var(--muted);margin:10px 0 26px;font-size:16px}
.close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:none;cursor:pointer;display:grid;place-items:center;color:var(--muted)}
.close:hover{color:var(--text);border-color:var(--line-strong)}
.field{display:block;margin-bottom:16px}
.field span{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.field input{width:100%;height:50px;padding:0 16px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(6,11,26,.6);color:var(--text);font:500 16px var(--body);transition:border-color .2s,box-shadow .2s}
.field input::placeholder{color:#55648a}
.field input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
.field.invalid input{border-color:#ff6b6b}
.field .err{display:none;color:#ff8f8f;font-size:13px;margin-top:6px}
.field.invalid .err{display:block}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-error{display:none;color:#ff8f8f;font-size:14px;margin:-4px 0 14px}
.form-error.show{display:block}
.modal .btn{width:100%;margin-top:8px}
.success{text-align:center;padding:20px 0 6px}
.success .check{width:72px;height:72px;margin:0 auto 22px;border-radius:50%;display:grid;place-items:center;background:var(--grad)}
.success .check svg{width:34px;height:34px;stroke:#04101f;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
.success p{color:var(--muted);margin:12px 0 26px}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .why-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .scene-wrap{margin-right:0}
}
@media (max-width:900px){
  .nav,.head-actions .btn{display:none}
  .burger{display:inline-flex}
  .nav.open{display:flex;position:fixed;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 20px;background:rgba(6,11,26,.97);border-bottom:1px solid var(--line)}
  .nav.open a{padding:14px 8px;font-size:17px;border-bottom:1px solid var(--line)}
  .nav.open .btn{display:flex;margin-top:16px}
  .hero{padding-top:110px;min-height:auto}
  .hero-grid{grid-template-columns:1fr}
  .scene-wrap{order:-1;max-width:520px;margin:-10px auto -30px;width:100%}
  .about-grid,.contact-box{grid-template-columns:1fr;gap:28px}
  .contact-box{padding:36px 24px}
  section{padding:80px 0}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  body{font-size:16px}
  .cards,.why-grid,.steps{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr;gap:14px;margin-top:40px}
  .hero-actions .btn{flex:1 1 100%}
  .logo-mark{height:38px}
  .logo-word{font-size:19px}
  .logo-tag{font-size:7.6px}
  .modal-card{padding:34px 20px 24px}
  .section-head{margin-bottom:36px}
}
@media (min-width:901px){.nav .btn{display:none}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}