/* ============ БАЗА / ТОКЕНЫ ============ */
@font-face{font-family:'Open Sans';src:url('/fonts/OpenSans-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Open Sans';src:url('/fonts/OpenSans-Bold.woff2') format('woff2');font-weight:700;font-display:swap}

:root{
  /* палитра — наследие логотипа INN-Studio */
  --red:#f5554c;        /* фирменный красный плашки iNN */
  --red-deep:#d93a31;
  --blue:#3a9fd4;       /* стальной синий "-studio", чуть ярче для тёмного фона */
  --blue-deep:#2a6f96;
  --ink:#0b0f17;        /* фон: почти чёрный с синим подтоном (от #424b5f) */
  --ink-2:#101623;
  --ink-3:#161e2f;
  --line:rgba(148,163,184,.14);
  --txt:#e8edf5;
  --txt-2:#9aa7bd;      /* от #b4bcca */
  --txt-3:#5d6b84;
  --glow-red:rgba(245,85,76,.35);
  --glow-blue:rgba(58,159,212,.30);
  --r-lg:20px; --r-md:14px; --r-sm:9px;
  --wrap:1200px;
  --ease:cubic-bezier(.22,.9,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Open Sans',-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--ink);color:var(--txt);
  font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
section{position:relative;padding:110px 0}
h1,h2,h3{font-weight:700;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(30px,4.5vw,48px);margin-bottom:18px}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);margin-bottom:18px;
}
.kicker::before{content:'';width:26px;height:2px;background:linear-gradient(90deg,var(--red),var(--blue));border-radius:2px}
.lead{color:var(--txt-2);font-size:clamp(17px,2vw,20px);max-width:640px}

/* ============ АНИМАЦИИ ПОЯВЛЕНИЯ ============ */
.rv{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.on{opacity:1;transform:none}
.rv-d1{transition-delay:.1s}.rv-d2{transition-delay:.22s}.rv-d3{transition-delay:.34s}.rv-d4{transition-delay:.46s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
}

/* ============ ХЕДЕР ============ */
header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .4s,box-shadow .4s,backdrop-filter .4s;
}
header.scrolled{
  background:rgba(11,15,23,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:2px;flex-shrink:0}
.logo img{height:42px;width:auto}
.menu{display:flex;gap:34px;list-style:none}
.menu a{
  font-size:15px;font-weight:400;color:var(--txt-2);
  position:relative;padding:6px 0;transition:color .3s;
}
.menu a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--red),var(--blue));
  border-radius:2px;transition:width .35s var(--ease);
}
.menu a:hover{color:var(--txt)}
.menu a:hover::after{width:100%}
.nav-cta{
  font-size:14px;font-weight:700;padding:11px 22px;border-radius:99px;
  border:1px solid rgba(245,85,76,.5);color:#ffb1ac;
  transition:.3s;white-space:nowrap;
}
.nav-cta:hover{background:var(--red);border-color:var(--red);color:#fff;box-shadow:0 6px 24px var(--glow-red)}
.burger{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;position:relative;z-index:120}
.burger span{display:block;width:24px;height:2px;background:var(--txt);margin:5px auto;border-radius:2px;transition:.35s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.m-menu{display:none}

/* ============ HERO ============ */
.hero{
  min-height:clamp(640px, 100svh, 980px);display:flex;align-items:center;
  padding:140px 0 90px;overflow:hidden;
}
#flow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.85}
.hero::before{ /* тёплое свечение слева — красный логотипа; --par-* двигает параллакс */
  content:'';position:absolute;width:70vw;height:70vw;max-width:900px;max-height:900px;
  left:-25vw;top:-20vw;border-radius:50%;
  background:radial-gradient(circle,rgba(245,85,76,.16),transparent 62%);
  pointer-events:none;
  transform:translate(var(--par-x,0),var(--par-y,0));
}
.hero::after{ /* холодное свечение справа — синий, движется в противофазе */
  content:'';position:absolute;width:60vw;height:60vw;max-width:800px;max-height:800px;
  right:-20vw;bottom:-25vw;border-radius:50%;
  background:radial-gradient(circle,rgba(58,159,212,.14),transparent 62%);
  pointer-events:none;
  transform:translate(calc(var(--par-x,0)*-1),calc(var(--par-y,0)*-1));
}
.hero .wrap{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;color:var(--txt-2);
  border:1px solid var(--line);border-radius:99px;padding:8px 18px;
  background:rgba(22,30,47,.6);margin-bottom:28px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(36px,6.2vw,72px);max-width:900px;margin-bottom:26px}
.hero h1 .grad{
  background:linear-gradient(92deg,var(--red) 0%,#ff8a6b 45%,var(--blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{margin-bottom:42px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:70px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;padding:16px 34px;border-radius:99px;
  transition:transform .3s var(--ease),box-shadow .3s;cursor:pointer;border:0;
}
.btn-red{background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;box-shadow:0 8px 30px var(--glow-red)}
.btn-red:hover{transform:translateY(-3px);box-shadow:0 14px 40px var(--glow-red)}
.btn-ghost{border:1px solid var(--line);color:var(--txt-2);background:rgba(22,30,47,.5)}
.btn-ghost:hover{color:var(--txt);border-color:var(--blue);transform:translateY(-3px)}
.btn .arr{transition:transform .3s}
.btn:hover .arr{transform:translateX(5px)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;max-width:860px;
}
.stat{background:rgba(16,22,35,.75);padding:26px 28px}
.stat b{
  display:block;font-size:clamp(34px,3.4vw,46px);line-height:1.1;
  letter-spacing:-.02em;margin-bottom:6px;
  background:linear-gradient(180deg,#fff 30%,#aab6c9);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat b .acc{
  background:linear-gradient(135deg,var(--red),#ff8a6b);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .lbl{font-size:13.5px;color:var(--txt-3);line-height:1.45;display:block}

/* ============ БОЛИ / ПРОБЛЕМЫ ============ */
.pains{padding-top:0}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}
.pain{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;
  background:linear-gradient(160deg,var(--ink-2),var(--ink));
  position:relative;overflow:hidden;transition:transform .35s var(--ease),border-color .35s;
}
.pain:hover{transform:translateY(-5px);border-color:rgba(245,85,76,.35)}
.pain .num{
  font-size:52px;font-weight:700;line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(245,85,76,.45);margin-bottom:16px;
}
.pain h3{font-size:19px;margin-bottom:10px}
.pain p{font-size:15px;color:var(--txt-2)}

/* ============ УСЛУГИ ============ */
.services{background:var(--ink-2)}
.services::before{content:'';position:absolute;inset:0;background:
  radial-gradient(700px 300px at 85% 0%,rgba(58,159,212,.07),transparent);pointer-events:none}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.svc{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 30px;
  background:rgba(11,15,23,.55);position:relative;overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s,border-color .4s;
}
.svc::before{ /* верхняя градиентная кромка при ховере */
  content:'';position:absolute;left:0;top:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--red),var(--blue));
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.svc:hover{transform:translateY(-7px);border-color:rgba(58,159,212,.4);box-shadow:0 24px 50px rgba(0,0,0,.45)}
.svc:hover::before{transform:scaleX(1)}
.svc .ico{
  width:56px;height:56px;border-radius:var(--r-md);margin-bottom:22px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,rgba(245,85,76,.14),rgba(58,159,212,.14));
  border:1px solid var(--line);
}
.svc .ico svg{width:28px;height:28px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.svc:nth-child(odd) .ico svg{stroke:var(--red)}
.svc h3{font-size:20px;margin-bottom:12px}
.svc p{font-size:15px;color:var(--txt-2);margin-bottom:16px}
.svc .tags{display:flex;flex-wrap:wrap;gap:8px}
.svc .tags i{
  font-style:normal;font-size:12px;color:var(--txt-3);
  border:1px solid var(--line);border-radius:99px;padding:4px 12px;
}

/* ============ СТОРИТЕЛЛИНГ: ОТ КОНВЕЙЕРА ДО ОНЛАЙНА ============ */
.story .lead{margin-bottom:0}
.timeline{position:relative;margin-top:70px;padding-left:0}
.timeline::before{
  content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,var(--red) 0%,var(--blue) 100%);opacity:.5;
}
.tl-item{display:grid;grid-template-columns:1fr 84px 1fr;align-items:center;margin-bottom:64px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  grid-column:2;justify-self:center;position:relative;z-index:2;
  width:58px;height:58px;border-radius:50%;
  background:var(--ink-3);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 7px var(--ink);
}
.tl-node svg{width:26px;height:26px;stroke:var(--red);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tl-item:nth-child(even) .tl-node svg{stroke:var(--blue)}
.tl-card{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 30px;
  background:linear-gradient(160deg,var(--ink-2),rgba(11,15,23,.4));
}
.tl-item:nth-child(odd) .tl-card{grid-column:1;text-align:right}
.tl-item:nth-child(even) .tl-card{grid-column:3}
.tl-card .step{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:8px;display:block}
.tl-item:nth-child(even) .tl-card .step{color:var(--blue)}
.tl-card h3{font-size:20px;margin-bottom:8px}
.tl-card p{font-size:15px;color:var(--txt-2)}

/* ============ ТЕХНОЛОГИИ (MARQUEE) ============ */
.tech{padding:70px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink-2);overflow:hidden}
.tech .label{text-align:center;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--txt-3);margin-bottom:34px}
.marquee{display:flex;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.track{display:flex;gap:52px;padding-right:52px;flex-shrink:0;animation:slide 30s linear infinite;align-items:center}
.marquee:hover .track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-100%)}}
.track span{
  font-size:19px;font-weight:700;color:var(--txt-3);white-space:nowrap;
  display:flex;align-items:center;gap:14px;transition:color .3s;
}
.track span:hover{color:var(--txt)}
.track span::before{content:'';width:8px;height:8px;border-radius:2px;background:linear-gradient(135deg,var(--red),var(--blue));flex-shrink:0}

/* ============ ПРОЦЕСС ============ */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:56px;counter-reset:step}
.proc{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;
  background:linear-gradient(160deg,var(--ink-2),var(--ink));
  position:relative;transition:border-color .35s,transform .35s var(--ease);
}
.proc:hover{border-color:rgba(58,159,212,.4);transform:translateY(-5px)}
.proc::before{
  counter-increment:step;content:'0' counter(step);
  display:inline-block;font-size:14px;font-weight:700;color:var(--blue);
  border:1px solid rgba(58,159,212,.4);border-radius:99px;padding:5px 14px;margin-bottom:18px;
}
.proc h3{font-size:18px;margin-bottom:10px}
.proc p{font-size:14.5px;color:var(--txt-2)}

/* ============ КЕЙС-ЛЕНТА (интерактивные табы) ============ */
.cases{background:var(--ink-2)}
.case-tabs{display:flex;gap:12px;flex-wrap:wrap;margin:52px 0 34px}
.case-tab{
  font-family:inherit;font-size:14.5px;font-weight:700;color:var(--txt-2);
  background:none;border:1px solid var(--line);border-radius:99px;
  padding:11px 24px;cursor:pointer;transition:.3s;
}
.case-tab:hover{color:var(--txt);border-color:var(--blue)}
.case-tab.act{color:#fff;background:linear-gradient(135deg,var(--red),var(--red-deep));border-color:transparent;box-shadow:0 6px 22px var(--glow-red)}
.case-panel{
  display:none;border:1px solid var(--line);border-radius:var(--r-lg);
  background:rgba(11,15,23,.6);padding:44px;
  grid-template-columns:1.2fr .8fr;gap:44px;align-items:center;
}
.case-panel.act{display:grid;animation:fadein .55s var(--ease)}
@keyframes fadein{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.case-panel h3{font-size:24px;margin-bottom:14px}
.case-panel p{color:var(--txt-2);font-size:15.5px;margin-bottom:22px}
.case-metrics{display:flex;gap:34px;flex-wrap:wrap}
.case-metrics div b{font-size:30px;display:block;letter-spacing:-.02em;color:var(--blue)}
.case-metrics div:first-child b{color:var(--red)}
.case-metrics div span{font-size:13px;color:var(--txt-3)}
.case-visual{
  aspect-ratio:4/3;border-radius:var(--r-md);position:relative;overflow:hidden;
  background:linear-gradient(145deg,var(--ink-3),var(--ink));border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.case-visual svg{width:70%;height:70%}
.case-visual::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(320px 200px at 70% 30%,rgba(58,159,212,.14),transparent);
}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin-top:48px;display:flex;flex-direction:column;gap:14px}
.faq-list details{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(160deg,var(--ink-2),rgba(11,15,23,.4));
  overflow:hidden;transition:border-color .3s;
}
.faq-list details[open]{border-color:rgba(58,159,212,.4)}
.faq-list summary{
  cursor:pointer;list-style:none;padding:20px 56px 20px 24px;
  font-size:17px;font-weight:700;position:relative;transition:color .3s;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:'';position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);
  transform:translateY(-70%) rotate(45deg);transition:transform .35s var(--ease);
}
.faq-list details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq-list summary:hover{color:#fff}
.faq-list .faq-a{padding:0 24px 22px;color:var(--txt-2);font-size:15.5px;line-height:1.65;max-width:720px}

/* ============ ДОСТУПНОСТЬ ============ */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--red);color:#fff;font-weight:700;padding:12px 22px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--blue);outline-offset:3px;border-radius:4px;
}
.fineprint{font-size:12.5px;color:var(--txt-3);margin-top:18px;max-width:640px}

/* ============ CTA / КОНТАКТ ============ */
.cta{overflow:hidden}
.cta-box{
  border:1px solid var(--line);border-radius:calc(var(--r-lg) + 8px);
  padding:70px 60px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--ink-3),var(--ink-2));
  display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;
}
.cta-box::before{
  content:'';position:absolute;width:480px;height:480px;border-radius:50%;
  right:-140px;top:-200px;
  background:radial-gradient(circle,rgba(245,85,76,.18),transparent 65%);
}
.cta h2{margin-bottom:16px}
.cta .lead{margin-bottom:34px}
.cta-bullets{list-style:none;margin:0 0 30px;display:flex;flex-direction:column;gap:12px}
.cta-bullets li{
  font-size:15.5px;color:var(--txt-2);padding-left:28px;position:relative;line-height:1.5;
}
.cta-bullets li::before{
  content:'';position:absolute;left:0;top:7px;width:14px;height:9px;
  border-left:2.5px solid var(--red);border-bottom:2.5px solid var(--red);
  transform:rotate(-45deg);border-radius:1px;
}
.cta-bullets li:nth-child(even)::before{border-color:var(--blue)}
.contact-line{display:flex;flex-direction:column;gap:12px;font-size:16px}
.contact-line a{color:var(--txt-2);display:inline-flex;align-items:center;gap:12px;transition:color .3s;width:fit-content}
.contact-line a:hover{color:var(--txt)}
.contact-line svg{width:19px;height:19px;stroke:var(--red);fill:none;stroke-width:1.8;stroke-linecap:round;flex-shrink:0}
.contact-line svg.f{fill:var(--red);stroke:none}
.form{display:flex;flex-direction:column;gap:16px;position:relative;z-index:2}
.form input,.form textarea{
  font-family:inherit;font-size:15.5px;color:var(--txt);
  background:rgba(11,15,23,.7);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 20px;outline:none;
  transition:border-color .3s,box-shadow .3s;width:100%;resize:vertical;
}
.form input:focus,.form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(58,159,212,.12)}
.form ::placeholder{color:var(--txt-3)}
.form .btn{justify-content:center}
.form-note{font-size:12.5px;color:var(--txt-3)}

/* ============ ФУТЕР ============ */
footer{border-top:1px solid var(--line);padding:46px 0;background:var(--ink)}
.foot{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot .logo img{height:36px}
.foot p{font-size:13.5px;color:var(--txt-3)}
.foot-links{display:flex;gap:24px;font-size:14px;color:var(--txt-2)}
.foot-links a:hover{color:var(--txt)}

/* ============ ИИ-ФЛАГМАН ============ */
.ai{overflow:hidden}
.ai::before{content:'';position:absolute;width:60vw;height:60vw;max-width:760px;max-height:760px;
  left:50%;top:-30%;transform:translateX(-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(58,159,212,.10),transparent 65%);pointer-events:none}
.ai-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:center;margin-top:26px}
.ai-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#ffb1ac;
  border:1px solid rgba(245,85,76,.45);border-radius:99px;padding:7px 16px;margin-bottom:20px;
  background:rgba(245,85,76,.08);
}
.ai-badge::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 9px var(--red);animation:pulse 2s infinite}
.ai-list{list-style:none;margin:26px 0 30px;display:flex;flex-direction:column;gap:16px}
.ai-list li{display:flex;gap:14px;align-items:flex-start}
.ai-list b{
  flex-shrink:0;min-width:86px;font-size:22px;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--blue),#7cc4e8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.ai-list li:nth-child(odd) b{background:linear-gradient(135deg,var(--red),#ff8a6b);-webkit-background-clip:text;background-clip:text}
.ai-list span{font-size:15px;color:var(--txt-2);line-height:1.5}
.ai-chips{display:flex;flex-wrap:wrap;gap:9px}
.ai-chips i{font-style:normal;font-size:13px;color:var(--txt-2);border:1px solid var(--line);border-radius:99px;padding:7px 15px;transition:.3s}
.ai-chips i:hover{border-color:var(--blue);color:var(--txt)}
/* диаграмма */
.ai-diagram{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(150deg,var(--ink-3),rgba(11,15,23,.5));
  padding:28px;position:relative;
}
.ai-diagram svg{width:100%;height:auto;display:block}
.ai-diagram .lane{stroke:rgba(148,163,184,.22);stroke-width:1.5;fill:none}
.ai-diagram .dotp{fill:var(--blue)}
.ai-diagram .dotp.r{fill:var(--red)}
.ai-core-glow{animation:coreglow 3s ease-in-out infinite}
@keyframes coreglow{0%,100%{opacity:.45}50%{opacity:1}}
.ai-metrics{display:flex;gap:0;border-top:1px solid var(--line);margin-top:22px;padding-top:20px;justify-content:space-between;flex-wrap:wrap}
.ai-metrics div{text-align:center;padding:0 10px}
.ai-metrics b{font-size:22px;display:block;letter-spacing:-.02em}
.ai-metrics div:nth-child(1) b{color:var(--red)}
.ai-metrics div:nth-child(2) b{color:var(--blue)}
.ai-metrics div:nth-child(3) b{color:#7cc4e8}
.ai-metrics span{font-size:12px;color:var(--txt-3)}
/* мобильная вертикальная версия потока */
.ai-flow-m{display:none}
@media (prefers-reduced-motion:reduce){.ai-diagram .dotp{display:none}}

/* ============ ОТРАСЛИ ============ */
.industries{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.industries i{
  font-style:normal;font-size:13.5px;color:var(--txt-2);
  border:1px solid var(--line);border-radius:99px;padding:8px 18px;
  display:inline-flex;align-items:center;gap:8px;
}
.industries i::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--blue)}
.industries i:nth-child(odd)::before{background:var(--red)}

/* ============ ДОРИСОВКА ТАЙМЛАЙНА / ЖИВЫЕ БАРЫ ============ */
.timeline::before{transform:translateX(-50%) scaleY(0);transform-origin:top;transition:transform 1.8s var(--ease) .2s}
.timeline.drawn::before{transform:translateX(-50%) scaleY(1)}
.case-visual .bars rect{transform:scaleY(0);transform-origin:bottom;transform-box:fill-box}
.case-panel.act .bars rect{animation:barup .9s var(--ease) forwards}
.case-panel.act .bars rect:nth-child(2){animation-delay:.12s}
.case-panel.act .bars rect:nth-child(3){animation-delay:.24s}
.case-panel.act .bars rect:nth-child(4){animation-delay:.36s}
.case-panel.act .bars rect:nth-child(5){animation-delay:.48s}
.case-visual .trend{stroke-dasharray:220;stroke-dashoffset:220}
.case-panel.act .trend{animation:trenddraw 1.2s var(--ease) .5s forwards}
@keyframes trenddraw{to{stroke-dashoffset:0}}
@keyframes barup{to{transform:scaleY(1)}}
/* shimmer акцентного текста hero */
.hero h1 .grad{background-size:200% 100%;animation:shimmer 6s ease-in-out infinite}
@keyframes shimmer{0%,100%{background-position:0% 0}50%{background-position:100% 0}}
@media (prefers-reduced-motion:reduce){.hero h1 .grad{animation:none}.timeline::before{transform:translateX(-50%) scaleY(1)}}

/* ============ ПРОГРЕСС / НАВЕРХ / АКТИВНОЕ МЕНЮ / МОБ-CTA ============ */
#progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;background:linear-gradient(90deg,var(--red),var(--blue))}
.menu a.active{color:var(--txt)}
.menu a.active::after{width:100%}
#toTop{
  position:fixed;right:20px;bottom:20px;z-index:118;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);background:rgba(16,22,35,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  color:var(--txt-2);cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(12px);pointer-events:none;transition:.35s var(--ease);
}
#toTop.show{opacity:1;transform:none;pointer-events:auto}
#toTop:hover{color:#fff;border-color:var(--blue)}
#toTop svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#mcta{
  position:fixed;left:0;right:0;bottom:0;z-index:116;display:none;gap:10px;padding:12px 16px;
  background:rgba(11,15,23,.94);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);transform:translateY(120%);transition:transform .4s var(--ease);
}
#mcta.show{transform:none}
#mcta a{font-weight:700;font-size:15px;padding:14px;border-radius:99px;text-decoration:none;display:flex;align-items:center;justify-content:center}
#mcta .p{flex:1;background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;box-shadow:0 6px 22px var(--glow-red)}
#mcta .t{flex:0 0 52px;border:1px solid var(--line);color:#7cc4e8}
#mcta .t svg{width:22px;height:22px;fill:currentColor}
@media (max-width:880px){#mcta{display:flex} #toTop{bottom:84px}}
@media (prefers-reduced-motion:reduce){#toTop,#mcta{transition:none}}

/* ============ ПРОЕКТЫ / МАКЕТЫ ============ */
.case-visual svg.mock{width:100%;height:100%;border-radius:12px}
.proj-badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#ffb1ac;border:1px solid rgba(245,85,76,.4);border-radius:99px;padding:4px 12px;margin-bottom:16px}
.proj-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.proj-tags i{font-style:normal;font-size:12.5px;color:var(--txt-3);border:1px solid var(--line);border-radius:99px;padding:5px 13px}
.proj-link{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15.5px;color:#7cc4e8;transition:gap .3s,color .3s}
.proj-link:hover{gap:14px;color:#a6d6ef}
.proj-link .live{width:7px;height:7px;border-radius:50%;background:#2eaf6e;box-shadow:0 0 8px #2eaf6e;animation:pulse 2s infinite;flex-shrink:0}
.proj-still{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;color:var(--txt-2)}
.proj-still .dotg{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 8px var(--glow-blue);flex-shrink:0}

/* ============ О СТУДИИ ============ */
.about{background:var(--ink-2)}
.about::before{content:'';position:absolute;inset:0;background:radial-gradient(600px 300px at 15% 10%,rgba(245,85,76,.06),transparent);pointer-events:none}
.about-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:54px;align-items:center;margin-top:26px}
.about-photo{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/5;border:1px solid var(--line);background:linear-gradient(160deg,var(--ink-3),var(--ink));display:flex;align-items:center;justify-content:center}
.about-photo img{width:100%;height:100%;object-fit:cover}
.about-photo .ph{display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--txt-3);font-size:13px;position:relative;z-index:2}
.about-photo .ph svg{width:76px;height:76px;stroke:var(--txt-3);fill:none;stroke-width:1.2}
.about-photo .cap{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:18px 20px;display:flex;flex-direction:column;gap:2px;background:linear-gradient(0deg,rgba(11,15,23,.92),rgba(11,15,23,.4) 60%,transparent)}
.about-photo .cap b{font-size:18px;color:var(--txt);letter-spacing:-.01em}
.about-photo .cap span{font-size:12.5px;color:var(--txt-2)}
.about-photo::after{content:'';position:absolute;inset:0;background:radial-gradient(280px 200px at 72% 18%,rgba(245,85,76,.14),transparent),radial-gradient(280px 220px at 20% 92%,rgba(58,159,212,.14),transparent);pointer-events:none}
.about h2{margin-bottom:20px}
.about p{color:var(--txt-2);font-size:16.5px;margin-bottom:16px;max-width:660px}
.about-facts{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.about-facts div{border:1px solid var(--line);border-radius:var(--r-md);padding:16px 20px;background:rgba(11,15,23,.5);min-width:148px}
.about-facts b{display:block;font-size:21px;letter-spacing:-.02em;margin-bottom:4px;background:linear-gradient(135deg,var(--red),#ff8a6b);-webkit-background-clip:text;background-clip:text;color:transparent}
.about-facts div:nth-child(even) b{background:linear-gradient(135deg,var(--blue),#7cc4e8);-webkit-background-clip:text;background-clip:text;color:transparent}
.about-facts span{font-size:13px;color:var(--txt-3)}
@media (max-width:820px){.about-grid{grid-template-columns:1fr;gap:34px}.about-photo{max-width:300px;margin:0 auto;width:100%}}

/* ============ АДАПТИВ ============ */
@media (max-width:1060px){
  .ai-grid{grid-template-columns:1fr;gap:40px}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .cta-box{grid-template-columns:1fr;padding:54px 44px;gap:44px}
}
@media (max-width:880px){
  section{padding:80px 0}
  .menu,.nav-cta{display:none}
  .burger{display:block}
  .m-menu{
    display:flex;
    position:fixed;inset:0;z-index:110;background:rgba(11,15,23,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
    opacity:0;pointer-events:none;transition:opacity .4s;
  }
  .m-menu.open{opacity:1;pointer-events:auto}
  .m-menu a{
    font-size:26px;font-weight:700;padding:12px;color:var(--txt-2);
    opacity:0;transform:translateY(18px);transition:.45s var(--ease);
  }
  .m-menu.open a{opacity:1;transform:none;color:var(--txt)}
  .m-menu.open a:nth-child(1){transition-delay:.05s}
  .m-menu.open a:nth-child(2){transition-delay:.12s}
  .m-menu.open a:nth-child(3){transition-delay:.19s}
  .m-menu.open a:nth-child(4){transition-delay:.26s}
  .m-menu.open a:nth-child(5){transition-delay:.33s}
  .m-menu.open a:nth-child(6){transition-delay:.4s}
  .m-menu .m-cta{margin-top:20px;font-size:17px;color:#fff;background:linear-gradient(135deg,var(--red),var(--red-deep));border-radius:99px;padding:15px 38px}
  .hero{padding-top:120px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  /* таймлайн в колонку */
  .timeline::before{left:29px}
  .tl-item{grid-template-columns:58px 1fr;gap:20px;margin-bottom:36px}
  .tl-node{grid-column:1;box-shadow:0 0 0 6px var(--ink)}
  .tl-item:nth-child(odd) .tl-card,.tl-item:nth-child(even) .tl-card{grid-column:2;text-align:left}
  .case-panel{grid-template-columns:1fr;padding:32px}
  .case-visual{max-height:240px}
}
@media (max-width:720px){
  .ai-diagram svg.ai-d{display:none}
  .ai-flow-m{display:flex;flex-direction:column;gap:10px;align-items:stretch}
  .ai-flow-m .fnode{
    border:1px solid var(--line);border-radius:var(--r-md);padding:13px 18px;
    font-size:14px;color:var(--txt-2);text-align:center;background:rgba(11,15,23,.5);
  }
  .ai-flow-m .fcore{
    border-color:rgba(245,85,76,.5);color:var(--txt);font-weight:700;
    background:linear-gradient(135deg,rgba(245,85,76,.14),rgba(58,159,212,.14));
    box-shadow:0 0 26px rgba(245,85,76,.15);
  }
  .ai-flow-m .farr{text-align:center;color:var(--txt-3);font-size:16px;line-height:1}
}
@media (max-width:560px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .pain-grid,.svc-grid,.process-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .stat{padding:18px}
  .hero-actions .btn{width:100%;justify-content:center}
  .cta-box{padding:40px 24px}
  .case-metrics{gap:22px}
  .foot{flex-direction:column;text-align:center;justify-content:center}
}

/* ============ КАЛЬКУЛЯТОР ============ */
.calc-box{border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(160deg,var(--ink-2),rgba(11,15,23,.5));padding:36px;margin-top:44px;max-width:840px}
.calc-dots{display:flex;gap:7px;margin-bottom:26px}
.calc-dots i{height:4px;flex:1;border-radius:2px;background:var(--line);transition:.4s}
.calc-dots i.on{background:linear-gradient(90deg,var(--red),var(--blue))}
.calc-q{font-size:20px;font-weight:700;margin-bottom:20px}
.calc-opts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.calc-opts button{font-family:inherit;text-align:left;font-size:15.5px;color:var(--txt-2);background:rgba(11,15,23,.5);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;cursor:pointer;transition:.25s var(--ease)}
.calc-opts button:hover{border-color:var(--blue);color:var(--txt);transform:translateY(-2px)}
.calc-nav{display:flex;justify-content:space-between;align-items:center;margin-top:20px}
.calc-back{background:none;border:0;color:var(--txt-3);font:inherit;font-size:14px;cursor:pointer;transition:color .2s}
.calc-back:hover{color:var(--txt-2)}
.calc-step{font-size:13px;color:var(--txt-3)}
.calc-result{text-align:center;padding:6px 0}
.calc-result .big{font-size:clamp(30px,5vw,46px);font-weight:700;letter-spacing:-.02em;line-height:1.1;background:linear-gradient(135deg,var(--red),#ff8a6b 50%,var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent;margin:8px 0 8px}
.calc-result .wk{font-size:17px;color:var(--txt);margin-bottom:10px}
.calc-result .note{font-size:13.5px;color:var(--txt-3);max-width:500px;margin:0 auto 26px;line-height:1.55}
.calc-result .acts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
@media (max-width:560px){.calc-opts{grid-template-columns:1fr}.calc-box{padding:24px}}

/* ============ ПОДСТРАНИЦЫ (услуги) ============ */
.subhero{padding-top:132px;padding-bottom:54px;position:relative;overflow:hidden}
.subhero::before{content:'';position:absolute;width:60vw;height:60vw;max-width:740px;max-height:740px;left:-18vw;top:-24vw;border-radius:50%;background:radial-gradient(circle,rgba(58,159,212,.12),transparent 62%);pointer-events:none}
.subhero::after{content:'';position:absolute;width:52vw;height:52vw;max-width:640px;max-height:640px;right:-18vw;top:-10vw;border-radius:50%;background:radial-gradient(circle,rgba(245,85,76,.10),transparent 62%);pointer-events:none}
.subhero .wrap{position:relative;z-index:2}
.crumbs{display:flex;gap:9px;font-size:13.5px;color:var(--txt-3);margin-bottom:24px;flex-wrap:wrap}
.crumbs a{color:var(--txt-3);transition:color .2s}
.crumbs a:hover{color:var(--txt-2)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:var(--txt-2)}
.subhero h1{font-size:clamp(32px,5vw,54px);max-width:840px;margin-bottom:20px;letter-spacing:-.02em;line-height:1.12}
.subhero h1 .grad{background:linear-gradient(92deg,var(--red),#ff8a6b 45%,var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.subhero .lead{margin-bottom:32px}
.sub-actions{display:flex;gap:14px;flex-wrap:wrap}
.subsec{padding:70px 0}
.subsec.alt{background:var(--ink-2)}
.subcta{border:1px solid var(--line);border-radius:calc(var(--r-lg) + 6px);padding:50px;text-align:center;background:linear-gradient(150deg,var(--ink-3),var(--ink-2));position:relative;overflow:hidden;margin-top:10px}
.subcta::before{content:'';position:absolute;width:420px;height:420px;border-radius:50%;right:-140px;top:-180px;background:radial-gradient(circle,rgba(245,85,76,.16),transparent 65%)}
.subcta h2{margin-bottom:14px}
.subcta .lead{margin:0 auto 28px}
.subcta .acts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}

/* ссылка «подробнее» на карточке услуги */
.svc-more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:14px;font-weight:700;color:#7cc4e8;transition:gap .3s}
.svc-more:hover{gap:11px;color:#a6d6ef}
a.svc{text-decoration:none;color:inherit;display:block}

/* ============ БЛОГ ============ */
.article{padding-bottom:70px}
.article .wrap{max-width:800px}
.article h1{font-size:clamp(28px,4.4vw,44px);line-height:1.15;letter-spacing:-.02em;margin-bottom:18px}
.article-meta{font-size:13.5px;color:var(--txt-3);margin-bottom:30px;display:flex;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:22px}
.prose{font-size:17px;line-height:1.75;color:var(--txt-2)}
.prose .lead2{font-size:19px;color:var(--txt);margin-bottom:26px}
.prose h2{font-size:25px;color:var(--txt);margin:40px 0 14px;letter-spacing:-.01em}
.prose h3{font-size:19px;color:var(--txt);margin:28px 0 10px}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:9px}
.prose a{color:#7cc4e8;text-decoration:underline;text-underline-offset:2px}
.prose strong{color:var(--txt)}
.prose blockquote{border-left:3px solid var(--red);padding:4px 0 4px 20px;margin:22px 0;color:var(--txt);font-size:18px;font-style:italic}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose th{color:var(--txt);background:rgba(16,22,35,.6)}
.article-cta{border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(150deg,var(--ink-3),var(--ink-2));padding:34px;margin-top:44px;text-align:center}
.article-cta h3{font-size:22px;margin-bottom:10px;color:var(--txt)}
.article-cta p{color:var(--txt-2);margin:0 auto 22px;max-width:520px}
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:8px}
.blog-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;background:linear-gradient(160deg,var(--ink-2),var(--ink));transition:transform .35s var(--ease),border-color .35s;display:block;text-decoration:none;color:inherit}
.blog-card:hover{transform:translateY(-5px);border-color:rgba(58,159,212,.4)}
.blog-card .tag{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.blog-card h2{font-size:20px;margin:12px 0 10px;color:var(--txt);line-height:1.25}
.blog-card p{font-size:15px;color:var(--txt-2)}
.blog-card .more{margin-top:16px;color:#7cc4e8;font-weight:700;font-size:14px;display:inline-flex;gap:7px}
@media(max-width:760px){.blog-grid{grid-template-columns:1fr}}