:root{
  --blue:#0A84FF;
  --blue2:#0068d8;
  --ink:#1F2937;
  --muted:#64748b;
  --line:#e6edf5;
  --soft:#f7f9fc;
  --dark:#111927;
  --radius:16px;
  --shadow:0 16px 44px rgba(30,55,85,.09);
  --content-max:1640px;
  --gutter:clamp(24px,3.2vw,64px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Montserrat",Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%}
.container{
  width:min(var(--content-max),calc(100% - (var(--gutter) * 2)));
  margin-inline:auto;
}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  min-height:clamp(68px,4.8vw,88px);
  display:flex;align-items:center;
  gap:clamp(18px,2vw,38px);
}
.logo{flex:0 0 auto}
.logo img{width:clamp(180px,15vw,255px);display:block}
.nav{
  display:flex;align-items:center;
  gap:clamp(15px,1.55vw,30px);
  margin-left:auto;
  white-space:nowrap;
}
.nav a,.footer-grid a{
  color:var(--ink);text-decoration:none;
  font-size:clamp(11px,.78vw,14px);
  font-weight:600;
}
.nav a:hover{color:var(--blue)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:clamp(12px,.9vw,15px) clamp(18px,1.4vw,26px);
  min-height:44px;border-radius:8px;
  background:var(--blue);color:#fff;text-decoration:none;
  border:1px solid var(--blue);
  font-weight:700;font-size:clamp(12px,.78vw,14px);
  cursor:pointer;transition:.2s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);background:var(--blue2)}
.btn-small{padding:10px clamp(14px,1vw,20px)}
.btn-ghost{background:#fff;color:var(--blue)}
.btn-white{background:#fff;color:var(--blue);border-color:#fff}
.menu{display:none;background:none;border:0}
.menu span{display:block;width:24px;height:2px;background:var(--ink);margin:5px}

.hero{
  position:relative;overflow:hidden;
  padding:clamp(48px,4.7vw,88px) 0 clamp(38px,3.5vw,64px);
}
.hero-grid-bg{
  position:absolute;right:-7%;top:-20%;width:63%;height:135%;
  opacity:.34;
  background-image:linear-gradient(#d9eaff 1px,transparent 1px),linear-gradient(90deg,#d9eaff 1px,transparent 1px);
  background-size:clamp(28px,2.2vw,42px) clamp(28px,2.2vw,42px);
  transform:perspective(900px) rotateY(-10deg) rotateX(3deg);
  mask-image:linear-gradient(90deg,transparent,black 22%,black);
}
.hero-grid{
  position:relative;display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(520px,1.08fr);
  gap:clamp(36px,4vw,78px);
  align-items:center;
}
.eyebrow{
  color:var(--blue);
  font-size:clamp(11px,.82vw,15px);
  font-weight:700;letter-spacing:.17em;
  margin-bottom:clamp(10px,1vw,16px);
}
.hero h1{
  font-size:clamp(52px,5.1vw,98px);
  line-height:.94;margin:0 0 clamp(18px,1.7vw,28px);
  letter-spacing:-.045em;font-weight:700;
}
.lead{
  font-size:clamp(15px,1.08vw,20px);
  color:#455568;max-width:700px;
}
.hero-actions{display:flex;gap:12px;margin:clamp(24px,2vw,34px) 0}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap}
.hero-tags span,.tech-cloud span{
  border:1px solid #d8e5f2;border-radius:999px;
  padding:8px 12px;font-size:clamp(10px,.68vw,12px);
  font-weight:600;background:white;
}
.hero-visual{
  position:relative;
  min-height:clamp(430px,31vw,590px);
  display:flex;align-items:center;justify-content:center;
}
.hero-visual>img{
  width:100%;height:clamp(430px,31vw,590px);
  object-fit:contain;
  filter:drop-shadow(0 25px 35px rgba(23,45,72,.15));
}
.blueprint-label{
  position:absolute;right:0;top:20px;
  color:#86bfff;font-size:10px;letter-spacing:.15em;
}
.spec-card{
  position:absolute;left:0;bottom:26px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow);border:1px solid var(--line);
  padding:15px 17px;border-radius:10px;
  max-width:270px;
}
.spec-card b,.spec-card span{display:block}
.spec-card span{font-size:11px;color:var(--muted);margin-top:4px}

.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.strip-grid>div{
  padding:clamp(16px,1.45vw,24px);
  border-right:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}
.strip-grid>div:first-child{border-left:1px solid var(--line)}
.strip-grid strong{color:var(--blue);font-size:clamp(20px,1.5vw,27px)}
.strip-grid span{font-size:clamp(10px,.72vw,13px);font-weight:600}

.section{padding:clamp(64px,5.4vw,100px) 0}
.section-soft{background:var(--soft)}
.section-head{
  display:flex;justify-content:space-between;gap:50px;align-items:end;
  margin-bottom:clamp(30px,2.6vw,46px);
}
.section-head>p{max-width:560px;color:var(--muted);font-size:clamp(13px,.85vw,16px)}
h2{
  font-size:clamp(32px,3.25vw,58px);
  line-height:1.04;letter-spacing:-.035em;margin:0;font-weight:700
}
h3{line-height:1.25}
.cards.services{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:clamp(10px,.9vw,16px);
}
.service-card{
  border:1px solid var(--line);border-radius:12px;
  overflow:hidden;background:#fff;transition:.22s;min-width:0;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe3f8}
.service-photo{width:100%;aspect-ratio:1.72;object-fit:cover;object-position:center;display:block;image-rendering:auto;transition:transform .4s ease}.service-card:hover .service-photo{transform:scale(1.025)}
.service-body{padding:clamp(14px,1.2vw,20px)}
.service-body>img{width:clamp(27px,1.8vw,34px);height:auto}
.service-body h3{font-size:clamp(12px,.88vw,16px);margin:11px 0 7px}
.service-body p{font-size:clamp(10px,.69vw,12.5px);color:var(--muted);margin:0}

.why-grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:clamp(42px,4.5vw,82px);align-items:center
}
.schematic{
  height:clamp(400px,30vw,540px);
  border-radius:20px;border:1px solid #dbe9f5;background:#fff;
  position:relative;overflow:hidden;
  background-image:radial-gradient(#cde3fa 1px,transparent 1px);
  background-size:20px 20px
}
.schematic svg{position:absolute;inset:0;width:100%;height:100%}
.schematic path{fill:none;stroke:#a7d3ff;stroke-width:2}
.node{
  position:absolute;z-index:2;padding:11px 15px;
  background:#fff;border:1px solid #b9daf8;border-radius:7px;
  color:var(--blue);font-size:11px;font-weight:700;
  box-shadow:0 10px 24px rgba(36,97,150,.08)
}
.n1{left:43%;top:23%}.n2{right:8%;top:12%}.n3{right:8%;bottom:15%}.n4{left:10%;top:47%}.n5{left:10%;bottom:14%}
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,2vw,30px);margin-top:32px}
.benefits span,.timeline b{color:var(--blue);font-size:12px}
.benefits h3{margin:7px 0;font-size:clamp(15px,1.1vw,19px)}
.benefits p{margin:0;color:var(--muted);font-size:clamp(12px,.82vw,14px)}

.timeline{
  display:grid;grid-template-columns:repeat(7,minmax(0,1fr));
  position:relative;gap:clamp(12px,1.1vw,20px)
}
.timeline:before{
  content:"";position:absolute;left:2%;right:2%;top:18px;
  border-top:1px dashed #a7caec
}
.timeline>div{position:relative;background:#fff;min-width:0}
.timeline b{
  display:inline-grid;place-items:center;width:38px;height:38px;
  border-radius:50%;background:var(--blue);color:white
}
.timeline h3{font-size:clamp(12px,.85vw,15.5px);margin:15px 0 7px}
.timeline p{font-size:clamp(10px,.68vw,12px);color:var(--muted)}

.section-dark{background:var(--dark);color:white}
.section-head.light p{color:#a8b3c2}
.industry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(10px,.9vw,16px)}
.industry-grid article{
  min-height:clamp(210px,15.5vw,285px);
  position:relative;border-radius:12px;overflow:hidden;
  padding:clamp(16px,1.4vw,24px);
  display:flex;flex-direction:column;justify-content:flex-end;
  background:#111a26;transition:transform .25s ease,box-shadow .25s ease
}
.industry-grid article>img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;
  display:block;z-index:0;transition:transform .45s ease
}
.industry-grid .industry-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(7,14,25,.04) 20%,rgba(7,14,25,.24) 55%,rgba(7,14,25,.92) 100%);
  pointer-events:none
}
.industry-grid article:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(0,0,0,.22)}
.industry-grid article:hover>img{transform:scale(1.045)}
.industry-grid span{
  position:absolute;z-index:2;top:16px;left:16px;width:34px;height:34px;
  border:1px solid rgba(255,255,255,.65);border-radius:50%;
  display:grid;place-items:center;font-size:10px;color:#fff;
  background:rgba(7,14,25,.18);backdrop-filter:blur(3px)
}
.industry-grid h3{position:relative;z-index:2;font-size:clamp(15px,1.2vw,22px);margin:0;color:#fff}

.competence-grid{
  display:grid;grid-template-columns:.72fr 1.28fr;
  gap:clamp(40px,4vw,76px);align-items:center
}
.lead-sm{color:var(--muted);font-size:clamp(13px,.9vw,16px)}
.tech-cloud{display:flex;gap:9px;flex-wrap:wrap}
.tech-cloud span{padding:10px 15px;border-radius:7px;color:#2d4b69}

.cta{padding:0 0 clamp(64px,5vw,90px)}
.cta-box{
  background:var(--blue);color:#fff;border-radius:20px;
  padding:clamp(34px,3vw,52px);
  display:flex;align-items:center;justify-content:space-between;
  gap:40px
}
.cta-box .eyebrow{color:#d8ebff}
.cta-box p{max-width:760px;color:#e6f2ff;font-size:clamp(13px,.88vw,16px)}

.contacts-grid{
  display:grid;grid-template-columns:.75fr 1.25fr;
  gap:clamp(50px,5vw,90px)
}
.contacts-grid p{font-size:clamp(15px,1vw,18px);color:#4b5c6f}
.legal{margin-top:26px;color:var(--muted);font-size:12px}
.contact-form{
  border:1px solid var(--line);border-radius:14px;
  padding:clamp(22px,2vw,30px);box-shadow:var(--shadow)
}
.contact-unavailable{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:16px;background:#f8fbff}
.contact-unavailable h3,.contact-unavailable p{margin:0}
.contact-unavailable .contact-policy{font-size:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form label{display:block;font-size:11px;font-weight:700;margin-bottom:14px}
.contact-form input,.contact-form textarea{
  display:block;width:100%;margin-top:7px;border:1px solid #dbe5ef;
  border-radius:7px;padding:13px;font:inherit;outline:none
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,132,255,.09)}
.form-note{font-size:10px;color:var(--muted);margin:10px 0 0}

footer{border-top:1px solid var(--line);padding:26px 0}
.footer-grid{
  display:grid;grid-template-columns:1fr auto auto;
  gap:30px;align-items:center;font-size:11px;color:var(--muted)
}
.footer-grid img{width:clamp(160px,12vw,205px)}
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,120px);
  background:#101827;color:#fff;padding:14px 20px;border-radius:10px;
  font-size:12px;z-index:50;transition:.3s
}
.toast.show{transform:translate(-50%,0)}
.reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
.reveal.in{opacity:1;transform:none}

/* desktop tuning */
@media (min-width:1920px){
  :root{--content-max:1760px}
}
@media (min-width:2300px){
  :root{--content-max:2000px}
  .hero h1{font-size:108px}
}
@media (max-width:1440px){
  :root{--gutter:clamp(22px,2.5vw,40px)}
  .hero-grid{grid-template-columns:minmax(0,.95fr) minmax(460px,1.05fr);gap:34px}
  .nav{gap:18px}
  .logo img{width:195px}
}
@media (max-width:1280px){
  .nav-wrap{gap:16px}
  .nav{gap:14px}
  .nav a{font-size:11px}
  .btn-small{padding:9px 12px}
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(420px,1fr)}
  .cards.services{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:1120px){
  .nav{display:none}
  .menu{display:block;margin-left:auto}
  .site-header .btn-small{margin-left:auto}
  .cards.services{grid-template-columns:repeat(3,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(4,minmax(0,1fr))}
  .timeline:before{display:none}
}
@media (max-width:900px){
  .hero-grid,.why-grid,.competence-grid,.contacts-grid{grid-template-columns:1fr}
  .hero-visual{min-height:390px}
  .hero-visual>img{height:390px}
  .industry-grid{grid-template-columns:repeat(2,1fr)}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  :root{--gutter:16px}
  .site-header .btn-small{display:none}
  .nav.open{
    display:flex;position:absolute;top:100%;left:0;right:0;
    background:#fff;padding:20px 26px;flex-direction:column;
    border-bottom:1px solid var(--line)
  }
  .logo img{width:170px}
  .hero{padding-top:42px}
  .hero-visual{min-height:340px}
  .hero-visual>img{height:350px}
  .section{padding:60px 0}
  .section-head{display:block}
  .benefits{grid-template-columns:1fr}
  .cards.services{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .cta-box{display:block;padding:30px}
  .cta-box .btn{margin-top:18px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid a{justify-self:start}
}
@media (max-width:500px){
  .hero h1{font-size:48px}
  .lead{font-size:16px}
  .hero-actions{flex-direction:column}
  .cards.services,.industry-grid,.timeline,.strip-grid{grid-template-columns:1fr}
  .strip-grid>div{border-left:1px solid var(--line)}
  .schematic{height:380px}
  .section-head h2{margin-bottom:16px}
}

.header-phone{font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap;font-size:clamp(13px,.9vw,16px)}
.header-phone:hover{color:var(--blue)}
@media(max-width:1180px){.header-phone{display:none}}
.form-status{margin-top:12px;font-size:14px;font-weight:600}
.form-status.success{color:#087a45}.form-status.error{color:#b42318}

/* Блок «Чем мы занимаемся»: только крупные иконки */
.service-card .service-photo{display:none!important}
.service-card .icon{
  width:clamp(78px,5.5vw,98px)!important;
  height:clamp(78px,5.5vw,98px)!important;
  min-width:78px;
  border-radius:20px!important;
  background:var(--blue-soft)!important;
  display:grid!important;
  place-items:center!important;
  color:var(--blue)!important;
  font-size:clamp(34px,2.5vw,46px)!important;
  margin:clamp(28px,2vw,36px) clamp(24px,2vw,34px) 0!important;
  transition:transform .25s ease,background .25s ease;
}
.service-card:hover .icon{
  transform:translateY(-3px) scale(1.04);
  background:#e7f2ff!important;
}
.service-card .service-body{
  padding-top:clamp(20px,1.5vw,26px)!important;
}

/* Блок «Почему выбирают нас» */
.why-intro{max-width:720px;margin:14px 0 0;color:var(--muted);font-size:clamp(13px,.9vw,16px);line-height:1.7}
.benefits>div{padding-top:18px;border-top:1px solid #dbe3ec}
.form-consent{display:flex!important;align-items:flex-start;gap:10px;margin:0 0 18px!important;color:#475569;font-size:13px!important;line-height:1.45}
.form-consent input{width:18px!important;height:18px;margin:1px 0 0!important;flex:0 0 auto}
.form-consent a{color:var(--blue);text-decoration:underline}
.form-trap{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}