/* ЭПК СИСТЕМА — основной стиль */
:root{
  --bg:#fbfbfd; --bg-alt:#f2f2f5; --ink:#1d1d1f; --ink-2:#6e6e73; --line:#d9d9de;
  --accent:#0a66d8; --accent-2:#0752b0; --accent-soft:#7fb6ff;
  --dark:#0b0b0d; --dark-ink:#f5f5f7; --dark-2:#a1a1a6; --dark-line:#2a2a2e;
  --radius:22px; --max:1120px; --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--bg);color:var(--ink);font:400 17px/1.55 "Onest",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:30;background:rgba(251,251,253,.74);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid transparent;transition:transform .6s var(--ease),border-color .4s,background .4s,color .4s}
.nav.scrolled{border-color:rgba(0,0,0,.07)}
.nav.hide{transform:translateY(-100%)}
.nav.on-dark{background:rgba(11,11,13,.7);color:var(--dark-ink)}
.nav.on-dark.scrolled{border-color:rgba(255,255,255,.08)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:52px}
.logo{display:flex;flex-direction:column;align-items:flex-start;gap:3px;text-decoration:none;line-height:1}
.wm{display:block;width:auto;flex:none}
.logo .wm{height:19px}
.sys{text-transform:uppercase;font-weight:600;letter-spacing:.22em;padding-left:.17em;opacity:.6}
.logo .sys{font-size:8.1px}
.logo .wm,.foot-brand .wm{transition:transform .6s var(--ease);transform-origin:left center}
.logo:hover .wm{transform:scale(1.04)}
.nav.on-dark .wm rect{fill:#4d94ff}
.foot-brand{display:inline-flex;flex-direction:column;gap:6px;color:var(--ink);text-decoration:none;line-height:1;margin-bottom:32px}
.foot-brand .wm{height:38px}
.foot-brand .sys{font-size:16.2px}
.nav ul{display:flex;gap:26px;list-style:none;font-size:13px}
.nav ul a{text-decoration:none;opacity:.72;transition:opacity .3s}
.nav ul a:hover,.nav ul a.active,.nav ul a[aria-current]{opacity:1}
.nav ul a[aria-current]{font-weight:600}
.burger{display:none;background:none;border:0;font:inherit;font-size:14px;cursor:pointer;color:inherit;padding:8px 0}

/* ---------- reveal ---------- */
.fx .rv{opacity:0;transform:translateY(40px);filter:blur(6px);transition:opacity 1.1s var(--ease) var(--d,0s),transform 1.1s var(--ease) var(--d,0s),filter 1.1s var(--ease) var(--d,0s)}
.fx .rv.in{opacity:1;transform:none;filter:none}

/* ---------- home hero ---------- */
.hero{padding:128px 0 40px;text-align:center}
.eyebrow{font-size:15px;font-weight:600;color:var(--accent);margin-bottom:14px}
h1{font-size:clamp(46px,7.6vw,96px);line-height:1;letter-spacing:-.05em;font-weight:700}
h1 .ln{display:block;overflow:hidden;padding:0 .04em .08em}
h1 .ln>span{display:inline-block}
.fx h1 .ln>span{transform:translateY(110%) rotate(2deg);transition:transform 1.4s var(--ease) calc(.15s + var(--i)*.12s)}
.fx.loaded h1 .ln>span{transform:none}
.grad{background:linear-gradient(100deg,#1d1d1f 0%,#3a4a63 35%,#0a66d8 70%,#5b4bd6 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent}
.fx.loaded .grad{animation:sheen 3.2s var(--ease) 1s both}
@keyframes sheen{from{background-position:100% 0}to{background-position:0 0}}
.hero p.lead{max-width:640px;margin:26px auto 0;font-size:clamp(19px,2.2vw,23px);color:var(--ink-2);line-height:1.4}
.ctas{display:flex;gap:26px;justify-content:center;align-items:center;margin-top:34px;flex-wrap:wrap}
.hero-stage{margin-top:48px;perspective:1200px}
.hero-meta{margin-top:26px;font-size:14px;color:var(--ink-2);display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px 14px}
.hero-meta i{width:4px;height:4px;border-radius:50%;background:var(--line)}
.hero-meta a{color:var(--accent);text-decoration:none;font-weight:500}
.hero-meta a:hover{text-decoration:underline}
.hero-media{transform-origin:50% 0;will-change:transform}

/* ---------- inner page hero ---------- */
.page-hero{padding:132px 0 72px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2);list-style:none;margin-bottom:28px}
.crumbs li+li:before{content:"/";margin-right:8px;opacity:.5}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.page-hero h1{font-size:clamp(40px,6.6vw,84px);line-height:1.02;letter-spacing:-.045em;max-width:900px}
.page-hero .lead{font-size:clamp(19px,2.1vw,23px);color:var(--ink-2);max-width:720px;margin-top:24px;line-height:1.42}
.page-hero .ctas{justify-content:flex-start}

/* ---------- buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font-weight:500;overflow:hidden;transition:background .4s,box-shadow .4s;will-change:transform}
.magnetic{transition:background .4s,box-shadow .4s,transform .6s var(--ease)}
.btn:hover{background:var(--accent-2);box-shadow:0 10px 30px -10px rgba(10,102,216,.55)}
.btn:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .9s var(--ease)}
.btn:hover:before{transform:translateX(120%)}
.btn i,.link i{font-style:normal;display:inline-block;transition:transform .4s var(--ease)}
.btn:hover i,.link:hover i{transform:translateX(4px)}
.link{color:var(--accent);text-decoration:none;font-weight:500}
.dark .link{color:var(--accent-soft)}

/* ---------- media placeholders ---------- */
.ph-img{position:relative;border-radius:var(--radius);overflow:hidden;background:#e9e9ee;display:flex;flex-direction:column;justify-content:flex-end;text-align:left;isolation:isolate}
.media-in{position:absolute;inset:-12% 0;background:repeating-linear-gradient(135deg,#ececf0 0 14px,#e4e4e9 14px 28px);will-change:transform;transition:scale 1.2s var(--ease);z-index:-1}
.media-in img{width:100%;height:100%;object-fit:cover}
.ph-img figcaption{padding:20px}
.ph-img b{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.ph-img code{display:block;margin-top:6px;font:12px/1.45 ui-monospace,Menlo,monospace;color:#3a3a3e;max-width:720px}
.dark .ph-img{background:#151518}
.dark .media-in{background:repeating-linear-gradient(135deg,#17171a 0 14px,#1d1d21 14px 28px)}
.dark .ph-img b{color:var(--dark-2)} .dark .ph-img code{color:#c7c7cc}
.r-wide{aspect-ratio:21/9}.r-sq{aspect-ratio:1/1}.r-169{aspect-ratio:16/9}.r-43{aspect-ratio:4/3}
.ph-data{background:#fff3c4;color:#5c4400;border-radius:4px;padding:0 5px;font-weight:500}
.dark .ph-data{background:#4a3b00;color:#ffe48a}
.notice{background:#fff8dc;border:1px dashed #d9b84a;color:#5c4400;border-radius:14px;padding:16px 20px;font-size:15px;margin-top:24px}

/* ---------- sections ---------- */
section{padding:140px 0}
section.tight{padding:96px 0}
.dark{background:var(--dark);color:var(--dark-ink)}
.alt{background:var(--bg-alt)}
h2{font-size:clamp(36px,5.4vw,64px);line-height:1.05;letter-spacing:-.04em;font-weight:700}
h2.sm{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.035em}
.sub{font-size:clamp(18px,2vw,22px);color:var(--ink-2);max-width:640px;margin-top:20px;line-height:1.45}
.dark .sub{color:var(--dark-2)}
.center{text-align:center}.center .sub{margin-left:auto;margin-right:auto}
.kicker{font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:14px}
.dark .kicker{color:var(--accent-soft)}

/* ---------- scroll statement ---------- */
.statement{padding:0;height:260vh;position:relative}
.st-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center}
.st-text{font-size:clamp(30px,4.6vw,60px);font-weight:600;letter-spacing:-.035em;line-height:1.14;max-width:1000px}
.st-text .w{opacity:.14;transition:opacity .25s linear}
.st-label{font-size:14px;font-weight:600;color:var(--dark-2);margin-bottom:28px;display:block}
html:not(.fx) .statement{height:auto;padding:140px 0}
html:not(.fx) .st-sticky{position:static;height:auto}
html:not(.fx) .st-text .w{opacity:1}

/* ---------- directions ---------- */
.dir{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.dir+.dir{margin-top:140px}
.dir.flip .ph-img{order:-1}
.dir h3{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.035em;line-height:1.06;font-weight:700}
.dir p{margin-top:18px;color:var(--ink-2);font-size:18px}
.dark .dir p{color:var(--dark-2)}
.dir .link{display:inline-block;margin-top:22px}

.facts{margin-top:30px;list-style:none}
.facts li{position:relative;display:flex;justify-content:space-between;gap:20px;padding:14px 0;font-size:15px}
.facts li:before,.facts li:after{content:"";position:absolute;left:0;right:0;height:1px;background:var(--line);transform-origin:left}
.facts li:before{top:0;display:none}.facts li:first-child:before{display:block}
.facts li:after{bottom:0}
.dark .facts li:before,.dark .facts li:after{background:var(--dark-line)}
.fx .facts li:before,.fx .facts li:after{transform:scaleX(0);transition:transform 1.2s var(--ease) calc(.2s + var(--i,0)*.08s)}
.fx .facts li>span{opacity:0;transition:opacity .9s var(--ease) calc(.35s + var(--i,0)*.08s)}
.fx .facts.in li:before,.fx .facts.in li:after{transform:scaleX(1)}
.fx .facts.in li>span{opacity:1}
.facts li span:last-child{color:var(--ink-2);text-align:right}
.dark .facts li span:last-child{color:var(--dark-2)}

/* ---------- tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:64px}
.tiles.three{grid-template-columns:repeat(3,1fr)}
.tile{position:relative;background:#fff;border-radius:var(--radius);padding:40px;display:flex;flex-direction:column;overflow:hidden;text-decoration:none;transition:transform .7s var(--ease),box-shadow .7s var(--ease)}
.alt .tile{background:#fff}
section:not(.alt) .tile{background:var(--bg-alt)}
.tile:before{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(10,102,216,.08),transparent 60%);opacity:0;transition:opacity .5s;pointer-events:none}
.tile:hover:before{opacity:1}
.tile:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(0,0,0,.18)}
.tile:hover .media-in{scale:1.06}
.tile .code{font-size:13px;color:var(--ink-2);margin-bottom:14px}
.tile h3{font-size:30px;letter-spacing:-.03em;line-height:1.1}
.tiles.three .tile h3{font-size:24px}
.tile p{color:var(--ink-2);margin-top:12px}
.tile .link{margin-top:auto;padding-top:18px;display:inline-block}
.tile .ph-img{margin-top:28px}

/* ---------- process ---------- */
.steps{position:relative;margin-top:72px;display:grid;grid-template-columns:repeat(5,1fr)}
.track{position:absolute;top:0;left:0;right:0;height:1px;background:var(--dark-line)}
.track i{position:absolute;inset:0;background:linear-gradient(90deg,#0a66d8,#7fb6ff);transform-origin:left;transform:scaleX(var(--p,1))}
.fx .track i{transform:scaleX(var(--p,0))}
.step{padding:30px 22px 0 0;transition:opacity .6s var(--ease)}
.fx .step{opacity:.35}
.fx .step.on{opacity:1}
.step .n{font-size:13px;color:var(--dark-2);display:flex;align-items:center;gap:8px}
.step .n:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--dark-line);transition:background .5s,box-shadow .5s}
.step.on .n:before,html:not(.fx) .step .n:before{background:var(--accent-soft);box-shadow:0 0 0 5px rgba(127,182,255,.15)}
.step h4{font-size:21px;margin-top:12px;letter-spacing:-.015em}
.step p{font-size:15px;color:var(--dark-2);margin-top:8px}
.step .doc{margin-top:14px;font-size:13px;color:var(--accent-soft)}

/* ---------- tables ---------- */
.table{margin-top:48px;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.alt .table{border-color:transparent}
.table table{width:100%;border-collapse:collapse;font-size:16px}
.table caption{text-align:left;padding:22px 28px 0;font-weight:600;font-size:20px;letter-spacing:-.02em}
.table th,.table td{padding:18px 28px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.table th{font-size:13px;font-weight:500;color:var(--ink-2)}
.table td.num,.table th.num{text-align:right;white-space:nowrap}
.table td small{display:block;color:var(--ink-2);font-size:14px;margin-top:4px}
.table tbody tr{transition:background .3s}
.table tbody tr:hover{background:#f7f9fd}
.table tr:last-child td{border-bottom:0}
.note{font-size:14px;color:var(--ink-2);margin-top:16px;max-width:760px}

/* key/value list (requisites) */
.kv{margin-top:40px;border-top:1px solid var(--line)}
.kv>div{display:grid;grid-template-columns:300px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.kv dt{color:var(--ink-2);font-size:15px}
.kv dd{font-size:17px}
.dark .kv,.dark .kv>div{border-color:var(--dark-line)}
.dark .kv dt{color:var(--dark-2)}

/* IT codes */
.codes{margin-top:48px;list-style:none;border-top:1px solid var(--line)}
.codes li{display:grid;grid-template-columns:120px 1fr 280px;gap:32px;padding:30px 0;border-bottom:1px solid var(--line)}
.codes .c{font-size:40px;font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--accent)}
.codes p{color:var(--ink);font-size:16px}
.codes .ours{font-size:14px;color:var(--ink-2)}
.codes .ours b{display:block;color:var(--ink);font-weight:600;margin-bottom:6px}

/* service page */
.svc-grid{display:grid;grid-template-columns:1fr 340px;gap:80px;align-items:start}
.aside{position:sticky;top:84px;background:var(--bg-alt);border-radius:var(--radius);padding:28px}
.aside h3{font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.aside .row{padding:14px 0;border-bottom:1px solid var(--line)}
.aside .row:last-of-type{border-bottom:0}
.aside .row p{font-size:15px}
.aside .btn{margin-top:18px;width:100%;justify-content:center}

.prose{max-width:720px}
.prose h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.035em;line-height:1.1;margin:72px 0 18px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:21px;letter-spacing:-.015em;margin:32px 0 10px}
.prose p{margin-top:14px;color:#333}
.prose p:first-child{margin-top:0}
.prose ul,.prose ol{margin:16px 0 0 22px}
.prose li{margin-top:8px;color:#333}
.prose li::marker{color:var(--accent)}
.prose a{color:var(--accent)}
.prose .lead-p{font-size:21px;line-height:1.45;color:var(--ink)}

.deliv{list-style:none;margin:24px 0 0!important;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.deliv li{background:var(--bg-alt);border-radius:14px;padding:18px 20px;margin:0!important;font-size:15px}
.deliv li b{display:block;font-size:16px;color:var(--ink);margin-bottom:4px}

/* tech stack */
.stack{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.stack-col{background:var(--bg-alt);border-radius:var(--radius);padding:32px}
.stack-col h3{font-size:22px;letter-spacing:-.02em}
.stack-col p.d{color:var(--ink-2);font-size:15px;margin-top:6px}
.stack-col ul{list-style:none;margin-top:18px}
.stack-col li{padding:11px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;font-size:15px}
.stack-col li span:last-child{color:var(--ink-2);text-align:right}

/* product card */
.product{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}

/* contact band */
.cta-band{text-align:center}
.cta-band .big{display:inline-block;font-size:clamp(26px,4vw,46px);font-weight:600;letter-spacing:-.03em;margin-top:24px;text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 2px no-repeat;transition:background-size .7s var(--ease)}
.cta-band .big:hover{background-size:100% 2px}
.cta-band .stack-links{display:flex;flex-direction:column;align-items:center}

/* ---------- footer ---------- */
footer{background:var(--bg-alt);color:var(--ink-2);font-size:12.5px;padding:44px 0 48px;border-top:1px solid var(--line)}
.req{display:grid;grid-template-columns:repeat(4,1fr);gap:24px 28px;border-bottom:1px solid var(--line);padding-bottom:28px}
.req dt{color:var(--ink);font-weight:500;margin-bottom:4px}
.req dd{line-height:1.5}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:20px}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-links a,.req a{text-decoration:none;transition:color .3s}
.foot-links a:hover,.req a:hover{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .nav ul{display:none}.burger{display:block}
  .nav.open{background:var(--bg);color:var(--ink)}
  .nav.open ul{display:flex;flex-direction:column;position:absolute;top:52px;left:0;right:0;background:var(--bg);padding:20px 22px 28px;gap:18px;font-size:18px;border-bottom:1px solid var(--line);max-height:calc(100vh - 52px);overflow:auto}
  .svc-grid{grid-template-columns:1fr;gap:48px}
  .aside{position:static}
  .tiles.three{grid-template-columns:1fr 1fr}
  .stack{grid-template-columns:1fr 1fr}
  .codes li{grid-template-columns:90px 1fr;gap:12px 24px}
  .codes .ours{grid-column:2}
}
@media (max-width:900px){
  section{padding:96px 0}
  .hero{padding-top:120px}
  .page-hero{padding:112px 0 48px}
  .statement{height:220vh}
  .dir,.product{grid-template-columns:1fr;gap:36px}.dir.flip .ph-img{order:0}.dir+.dir{margin-top:96px}
  .tiles,.tiles.three{grid-template-columns:1fr}
  .tile{padding:28px}
  .steps{grid-template-columns:1fr;padding-left:24px}
  .track{top:0;bottom:0;left:3px;right:auto;width:1px;height:auto}
  .track i{transform-origin:top;transform:scaleY(var(--p,1))}
  .fx .track i{transform:scaleY(var(--p,0))}
  .step{padding:0 0 32px}
  .step .n:before{position:absolute;left:0;margin-top:1px}
  .req{grid-template-columns:1fr 1fr}
  .table th,.table td{padding:14px 16px}
  .table caption{padding:18px 16px 0}
  .kv>div{grid-template-columns:1fr;gap:4px}
  .deliv{grid-template-columns:1fr}
  .stack{grid-template-columns:1fr}
}
@media (max-width:560px){
  .req{grid-template-columns:1fr}
  .r-wide{aspect-ratio:4/3}
  .codes li{grid-template-columns:1fr}.codes .ours{grid-column:auto}
  .codes .c{font-size:32px}
  .table{overflow-x:auto}
  .table table{min-width:520px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.nav,.burger,.cta-band{display:none}.page-hero{padding-top:20px}body{background:#fff}}

/* реальные изображения */
.ph-img.has-img{background:#000}
.ph-img.has-img .media-in{background:none}
/* главная обложка с надписью: не обрезаем текст на телефоне */
.hero-media.has-img{aspect-ratio:21/9}
.hero-media.has-img img{object-position:30% 50%}

/* возможности продукта */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.feat .stack-col ul{list-style:none;margin-top:18px}
.feat .stack-col li{display:block;padding:12px 0 12px 22px;position:relative;border-top:1px solid var(--line);font-size:15.5px}
.feat .stack-col li:before{content:"";position:absolute;left:2px;top:21px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
@media (max-width:900px){.feat{grid-template-columns:1fr}}

/* контакты */
.contact-grid .kv{max-width:820px}
.contact-grid .prose{max-width:820px}