:root{color-scheme:dark;--bg:#0a0a0a;--bg2:#0f0f10;--card:linear-gradient(180deg,#141416,#0f0f11);--card-s:#121214;--line:rgba(255,255,255,.075);--line2:rgba(255,255,255,.13);--txt:#f4f4f5;--txt2:#c9c9ce;--mut:#8f8f97;--mut2:#5f5f67;--ink:#fafafa;--r:20px;--sh:inset 0 1px 0 rgba(255,255,255,.045),0 20px 40px -24px rgba(0,0,0,.8);--sh2:inset 0 1px 0 rgba(255,255,255,.07),0 30px 60px -28px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.04);--f:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.6 var(--f);font-feature-settings:"cv11","ss01","ss03";-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}img,svg{max-width:100%}::selection{background:#fff;color:#0a0a0a}
.wrap{width:min(1180px,100% - 48px);margin:auto}.narrow{width:min(820px,100% - 48px)}
h1,h2,h3{font-weight:650;letter-spacing:-.035em;line-height:1.06;margin:0 0 .5em;color:var(--txt)}
h1{font-size:clamp(36px,5.2vw,64px);font-weight:700;letter-spacing:-.045em;text-wrap:balance}h1 em,h2 em{font-style:normal;color:#6c6c74;background:linear-gradient(180deg,#9a9aa2,#55555c);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.h2{font-size:clamp(28px,3.4vw,44px);text-wrap:balance}.h3{font-size:20px;margin-top:44px;letter-spacing:-.02em}
.muted{color:var(--mut);max-width:620px;font-size:17px}.muted b{color:var(--txt);font-weight:600}.note{margin-top:20px;font-size:14px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 22px;border-radius:999px;font:600 15px/1 var(--f);letter-spacing:-.01em;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .25s var(--ease),background .2s,box-shadow .25s var(--ease),border-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0) scale(.98)}.btn svg{width:17px;height:17px}
.btn-acc{background:linear-gradient(180deg,#fff,#e4e4e7);color:#0a0a0a;box-shadow:inset 0 -1px 0 rgba(0,0,0,.12),0 0 0 1px rgba(255,255,255,.2),0 8px 28px -8px rgba(255,255,255,.28)}.btn-acc:hover{background:#fff;box-shadow:inset 0 -1px 0 rgba(0,0,0,.12),0 0 0 1px rgba(255,255,255,.3),0 10px 36px -8px rgba(255,255,255,.4)}
.btn-tg,.btn-ghost{background:rgba(255,255,255,.04);color:var(--txt);border-color:var(--line2);box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}.btn-tg:hover,.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28)}
.btn.sm{height:38px;padding:0 15px;font-size:14px}.btn.wide{width:100%;height:52px}
/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(10,10,10,.68);backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);border-bottom:1px solid rgba(255,255,255,.07)}
.top-in{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font:700 18px var(--f);letter-spacing:-.03em;text-decoration:none}
.logo-mark{display:block;width:30px;height:30px;flex:none;color:#fff;filter:drop-shadow(0 0 12px rgba(255,255,255,.22))}.logo-mark svg{display:block;width:100%;height:100%}
.nav{display:flex;gap:2px;margin-left:auto}.nav a{padding:7px 12px;border-radius:999px;text-decoration:none;color:var(--mut);font-weight:500;font-size:14.5px;transition:color .2s,background .2s}
.nav a:hover,.nav a[aria-current]{color:var(--txt);background:rgba(255,255,255,.07)}
.burger{display:none;margin-left:auto;margin-right:-2px;background:none;border:0;width:44px;height:44px;cursor:pointer}.burger span{display:block;width:20px;height:1.7px;margin:6px auto;background:var(--txt);border-radius:2px;transition:transform .3s var(--ease)}
.burger[aria-expanded=true] span:first-child{transform:translateY(3.8px) rotate(45deg)}.burger[aria-expanded=true] span:last-child{transform:translateY(-3.8px) rotate(-45deg)}
/* hero */
.hero{position:relative;padding:64px 0 80px;overflow:hidden;isolation:isolate;background:radial-gradient(900px 560px at 74% -8%,rgba(255,255,255,.11),transparent 62%),radial-gradient(700px 420px at 10% 0%,rgba(255,255,255,.045),transparent 70%),#0a0a0a;border-bottom:1px solid var(--line)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(ellipse 60% 70% at 72% 40%,#000 10%,transparent 72%);mask-image:radial-gradient(ellipse 60% 70% at 72% 40%,#000 10%,transparent 72%);pointer-events:none}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 22px;padding:5px 12px 5px 10px;border:1px solid var(--line2);border-radius:999px;background:rgba(255,255,255,.04);color:var(--txt2);font-weight:500;font-size:13px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.12),0 0 10px rgba(255,255,255,.7)}
.crumbs{font-size:13.5px;color:var(--mut2);margin-bottom:16px}.crumbs a{color:var(--mut);text-decoration:none}.crumbs a:hover{color:var(--txt)}
.lead{font-size:clamp(17px,1.5vw,19px);line-height:1.6;color:var(--mut);max-width:560px;margin:0}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 40px}
.facts{list-style:none;padding:24px 0 0;margin:0;display:flex;flex-wrap:wrap;gap:36px;color:var(--mut);font-size:13.5px;border-top:1px solid var(--line);max-width:560px}.facts b{display:block;color:var(--txt);font-size:20px;font-weight:650;letter-spacing:-.03em;margin-bottom:2px}
/* ---------- devices ---------- */
.stage{position:relative;min-height:640px;display:grid;place-items:center}
.stage::after{content:"";position:absolute;left:50%;bottom:6px;width:62%;height:40px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(0,0,0,.9),transparent);filter:blur(8px);z-index:-1}
.device{position:relative;width:332px;height:684px;padding:11px;border-radius:56px;background:linear-gradient(145deg,#2c2c2f,#0d0d0e 40%,#1b1b1d);box-shadow:0 0 0 1px rgba(255,255,255,.09),inset 0 0 0 1.5px rgba(255,255,255,.14),0 60px 100px -30px rgba(0,0,0,.95),0 0 80px -20px rgba(255,255,255,.10)}
.device::before{content:"";position:absolute;right:-2.5px;top:180px;width:3px;height:72px;border-radius:0 3px 3px 0;background:#222}
.device-screen{position:relative;height:100%;border-radius:46px;overflow:hidden;display:flex;flex-direction:column;font-family:-apple-system,"SF Pro Text","Inter",system-ui,sans-serif;letter-spacing:-.01em}
.sb{position:absolute;z-index:5;top:0;left:0;right:0;height:46px;display:flex;align-items:center;justify-content:space-between;padding:4px 26px 0 34px;font-size:14.5px;font-weight:600;letter-spacing:-.02em}
.sb-ic{display:flex;gap:5px;align-items:center}.island{position:absolute;left:50%;top:11px;width:94px;height:27px;margin-left:-47px;border-radius:20px;background:#000}
.dark .sb{color:#fff}.light .sb{color:#000}
.home-ind{position:absolute;z-index:6;left:50%;bottom:7px;width:118px;height:4.5px;margin-left:-59px;border-radius:3px;background:rgba(255,255,255,.85)}.light .home-ind{background:#000}
/* Telegram iOS — Night (tinted) theme */
.tg{flex:1;display:flex;flex-direction:column;min-height:0;background:#0e1621;color:#fff}
.tg-head{position:relative;z-index:3;display:flex;align-items:center;padding:48px 12px 8px 8px;background:rgba(23,33,43,.94);border-bottom:.5px solid rgba(0,0,0,.5);box-shadow:0 .5px 0 rgba(255,255,255,.04)}
.tg-back{display:flex;align-items:center;gap:5px;color:#64b5ef;font-size:16px;width:76px}.tg-back svg{margin-left:2px}
.tg-title{flex:1;text-align:center;line-height:1.2}.tg-title b{display:block;font-size:16px;font-weight:600}.tg-title small{display:block;font-size:12.5px;color:#7d8b99}
.tg-ava{width:36px;height:36px;margin-left:40px;border-radius:50%;display:grid;place-items:center;font-size:12.5px;font-weight:700;color:#fff;background:linear-gradient(#5b5b60,#2d2d31);box-shadow:inset 0 0 0 .5px rgba(255,255,255,.15)}
.tg-wall{position:relative;flex:1;min-height:0;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180' fill='none' stroke='white' stroke-opacity='0.075' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E %3Cpath d='M14 30 44 18 34 46 28 36z M28 36 44 18'/%3E %3Cpath d='M98 14l3.5 7 7.7 1.1-5.6 5.4 1.3 7.7-6.9-3.6-6.9 3.6 1.3-7.7-5.6-5.4 7.7-1.1z'/%3E %3Cpath d='M150 30c0-6 8-9 11-3 3-6 11-3 11 3 0 7-11 13-11 13s-11-6-11-13z'/%3E %3Ccircle cx='62' cy='78' r='11'/%3E%3Cpath d='M57 81q5 5 10 0M58 75h.1M66 75h.1'/%3E %3Cpath d='M120 70v20a5 4 0 1 1-3-3.7V74l14-4v16a5 4 0 1 1-3-3.7V73'/%3E %3Cpath d='M16 120h22v14H16z M21 120v-5h12v5'/%3E %3Cpath d='M80 130a12 12 0 1 0 24 0 12 12 0 1 0-24 0M92 124v6l4 3'/%3E %3Cpath d='M140 118l18 10-18 10z'/%3E %3Cpath d='M40 160c6-8 14-8 20 0M66 166l6-6 6 6'/%3E %3Cpath d='M120 160h20M130 150v20'/%3E %3Cpath d='M168 92a6 6 0 1 1-12 0 6 6 0 1 1 12 0'/%3E %3C/svg%3E") 0 0/180px 180px,linear-gradient(160deg,#16222f 0%,#0e1621 55%,#101c27 100%)}
.tg-wall::before{content:"";position:absolute;inset:0;background:inherit;opacity:0}
.tg-list{display:flex;flex-direction:column;gap:3px;padding:8px 8px 8px}
.tg-svc{align-self:center;margin:2px 0 8px;padding:2px 9px;border-radius:12px;background:rgba(30,44,58,.72);color:#fff;font-size:12.5px;font-weight:500;animation:tgIn .5s var(--ease) both;animation-delay:calc(var(--d) * .16s)}
.tg-m{display:flex;flex-direction:column;max-width:80%;margin-top:4px;animation:tgIn .55s var(--ease) both;animation-delay:calc(var(--d) * .16s + .1s)}
.tg-m.out{align-self:flex-end;align-items:flex-end}.tg-m.in{align-self:flex-start}
.tg-b{position:relative;padding:6px 10px 6px 11px;border-radius:17px;font-size:14.5px;line-height:1.3;color:#fff;word-wrap:break-word}
.tg-b b{font-weight:600}
.in .tg-b{background:#182533;border-bottom-left-radius:5px;margin-left:6px}.out .tg-b{background:#2b5278;border-bottom-right-radius:5px;margin-right:6px}
.tg-b .tail{position:absolute;bottom:0;color:#182533}.in .tg-b .tail{left:-6px}.out .tg-b .tail{right:-6px;transform:scaleX(-1);color:#2b5278}.in .tg-b:has(+.tg-ikb){border-bottom-left-radius:17px}
.tg-meta{float:right;display:inline-flex;align-items:center;gap:3px;margin:8px -2px -4px 10px;font-size:11.5px;line-height:1;color:#6d8396;white-space:nowrap}.out .tg-meta{color:#7da8d3}.out .tg-meta .ck{color:#72bdf7}
.tg-ikb{display:flex;flex-direction:column;gap:3px;margin:3px 0 0 6px;align-self:stretch}.tg-ikb>div{display:flex;gap:3px}
.tg-ikb span{position:relative;flex:1;display:flex;align-items:center;justify-content:center;min-height:38px;padding:0 10px;border-radius:9px;background:rgba(30,44,58,.78);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:14px;font-weight:500;color:#fff;white-space:nowrap}
.tg-ikb>div:first-child span:first-child{border-top-left-radius:9px}.tg-ikb>div:last-child span:first-child{border-bottom-left-radius:16px}.tg-ikb>div:last-child span:last-child{border-bottom-right-radius:16px}
.tg-ikb .ar{position:absolute;top:5px;right:5px;opacity:.85}
.tg-bottom{position:relative;z-index:3;background:#17212b;padding-bottom:22px;box-shadow:0 -.5px 0 rgba(0,0,0,.6)}
.tg-input{display:flex;align-items:center;gap:8px;padding:6px 8px 6px 9px}
.tg-input .ic{display:grid;place-items:center;color:#7f91a4;flex:none}
.tg-field{flex:1;display:flex;align-items:center;justify-content:space-between;height:34px;padding:0 6px 0 13px;border-radius:18px;background:#0e1621;border:.5px solid #233140;color:#6c7883;font-size:15px}
.tg-rk{display:flex;flex-direction:column;gap:6px;padding:7px 6px 6px;background:#1c2733;border-top:.5px solid rgba(0,0,0,.5)}
.tg-rk>div{display:flex;gap:6px}.tg-rk span{flex:1 1 0;min-width:0;display:grid;place-items:center;height:42px;padding:0 3px;border-radius:8px;background:#2b3a4a;box-shadow:0 1px 0 rgba(0,0,0,.45);font-size:12px;letter-spacing:-.03em;overflow:hidden;text-overflow:ellipsis;font-weight:500;color:#fff;white-space:nowrap}
@keyframes tgIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
/* Telegram Mini App — iOS light theme */
.ma{flex:1;display:flex;flex-direction:column;min-height:0;background:#fff;color:#000}
.ma-head{display:flex;align-items:center;padding:50px 12px 10px;background:#f7f7f7;border-bottom:.5px solid #d9d9dd}
.ma-close{width:74px;color:#007aff;font-size:16px}.ma-title{flex:1;text-align:center;line-height:1.2}.ma-title b{display:block;font-size:15.5px;font-weight:600}.ma-title small{font-size:12px;color:#8e8e93}
.ma-more{width:74px;display:flex;justify-content:flex-end;gap:3px}.ma-more i{width:4.5px;height:4.5px;border-radius:50%;background:#007aff}
.ma-body{flex:1;min-height:0;overflow:hidden;padding:12px 14px 0;background:#fff}
.ma-search{display:flex;align-items:center;gap:6px;height:36px;padding:0 10px;border-radius:10px;background:#efeff4;color:#8e8e93;font-size:15px}
.ma-cats{display:flex;gap:6px;margin:12px 0}.ma-cats span{padding:6px 13px;border-radius:999px;background:#efeff4;font-size:13.5px;font-weight:500;color:#000}.ma-cats .on{background:#2481cc;color:#fff}
.ma-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 12px}
.ma-item{display:flex;flex-direction:column;align-items:center;text-align:center;font-size:13.5px;line-height:1.25}
.ma-pic{position:relative;display:grid;place-items:center;width:100%;aspect-ratio:1.45;margin-bottom:7px;border-radius:16px;background:#f2f2f6;font-size:42px}
.ma-q{position:absolute;top:6px;right:6px;min-width:22px;height:22px;display:grid;place-items:center;border-radius:11px;background:#2481cc;color:#fff;font-size:12px;font-weight:700;animation:pulse 2.4s ease-in-out 1.2s infinite}
.ma-item span{font-weight:500}.ma-item small{color:#8e8e93;font-size:12.5px;margin-top:1px}
.ma-item em{margin-top:7px;padding:5px 0;width:84%;border-radius:999px;background:#2481cc;color:#fff;font-style:normal;font-weight:600;font-size:12.5px}.ma-item em.in{background:#e8f1fa;color:#2481cc}
.ma-main{margin:10px 12px 0;padding:15px;border-radius:12px;background:#2481cc;color:#fff;text-align:center;font-weight:600;font-size:15px;margin-bottom:30px}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
/* duo (home): mini app behind chat */
.stage-duo .phone-app{position:absolute;right:-6px;top:28px;transform:scale(.84) rotate(4deg);transform-origin:top right;opacity:.98;filter:saturate(.95)}
.stage-duo .phone-chat{position:relative;z-index:2;margin-right:150px;animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ---------- v3: brand avatar, Zerno dark skin, glow ---------- */
.tg-ava:has(.ava-mark){background:#0a0a0a;box-shadow:inset 0 0 0 .5px rgba(255,255,255,.22)}.ava-mark{display:block;width:24px;height:24px;color:#fff}.ava-mark svg{display:block;width:100%;height:100%}
.dark .ma{background:#0e0c0b;color:#f6f1ea}.dark .ma-head{background:rgba(22,19,17,.96);border-bottom-color:rgba(255,255,255,.06)}.dark .ma-close{color:#e4c9a3}.dark .ma-more i{background:#e4c9a3}.dark .ma-title small{color:#8d847b}
.dark .ma-body{background:#0e0c0b}.dark .ma-search{background:#1c1916;color:#7f776f}.dark .ma-cats span{background:#1c1916;color:#d9d2c9}.dark .ma-cats .on{background:#f4ede3;color:#16110d}
.ma-pic{overflow:hidden}.ma-pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.dark .ma-pic{background:#1c1916;box-shadow:inset 0 0 0 .5px rgba(255,255,255,.06)}.ma-pic::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 .5px rgba(255,255,255,.08);background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.18))}
.ma-q{z-index:1}.dark .ma-q{background:#f4ede3;color:#16110d}.dark .ma-item small{color:#8d847b}
.dark .ma-item em{background:#f4ede3;color:#16110d}.dark .ma-item em.in{background:rgba(244,237,227,.12);color:#f4ede3}
.dark .ma-main{background:linear-gradient(180deg,#f8f2e9,#e5dacb);color:#17120e;box-shadow:0 10px 30px -10px rgba(244,226,200,.35)}
.stage-duo .phone-app{z-index:1}
.glow{position:absolute;z-index:0;inset:-12% -18%;pointer-events:none;background:radial-gradient(34% 30% at 76% 36%,rgba(255,222,180,.30),transparent 72%),radial-gradient(40% 38% at 40% 56%,rgba(255,255,255,.10),transparent 72%),radial-gradient(60% 50% at 55% 50%,rgba(255,255,255,.035),transparent 75%);filter:blur(6px)}
.glow::before{content:"";position:absolute;left:58%;top:6%;width:min(520px,80%);aspect-ratio:1;transform:translateX(-50%);border-radius:50%;border:1px solid rgba(255,255,255,.06);box-shadow:0 0 0 70px rgba(255,255,255,.012),0 0 0 140px rgba(255,255,255,.008)}
.glow::after{content:"";position:absolute;left:62%;top:-10%;width:60%;height:85%;transform:translateX(-50%);background:conic-gradient(from 180deg at 50% 0%,transparent 158deg,rgba(255,255,255,.07) 180deg,transparent 202deg);filter:blur(18px)}
/* solution card: demo link */
.sol-demo{display:flex;align-items:center;gap:10px;margin:0 0 6px;padding:0 8px 0 10px;height:50px;border-radius:14px;border:1px solid var(--ink);background:var(--ink);color:#0a0a0a;text-decoration:none;font-weight:600;font-size:15px;letter-spacing:-.01em;box-shadow:0 10px 28px -14px rgba(255,255,255,.45);transition:transform .25s var(--ease),box-shadow .25s,background .25s}
.sol-demo::after{content:"";position:absolute;inset:0;z-index:1;border-radius:inherit}.sol-card{position:relative}.sol-card .sol-f{position:relative;z-index:2}
.sol-demo i{display:grid;place-items:center;width:34px;height:34px;margin-left:auto;border-radius:10px;background:#0a0a0a;color:#fff;font-style:normal;font-size:16px;transition:transform .3s var(--ease)}
.sol-demo:hover,.sol-card:hover .sol-demo{background:#fff;box-shadow:0 14px 34px -12px rgba(255,255,255,.6)}.sol-demo:hover i,.sol-card:hover .sol-demo i{transform:translateX(3px)}.sol-demo:focus-visible{outline:2px solid #fff;outline-offset:3px}
.sol-play{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#0a0a0a;color:#fff}.sol-play svg{margin-left:1px}
/* browser + terminal (monochrome) */
.term{width:100%;max-width:470px;border-radius:14px;background:#111113;border:1px solid var(--line2);overflow:hidden;box-shadow:var(--sh2)}
.b-bar{display:flex;gap:7px;align-items:center;padding:12px 14px;background:#161618;border-bottom:1px solid var(--line)}.b-bar i{width:11px;height:11px;border-radius:50%;background:#3a3a3e}.b-bar span{margin:0 auto;padding:3px 28px;border-radius:7px;background:#0c0c0d;border:1px solid var(--line);font-size:12px;color:var(--mut)}
/* demo sites list in the /sajt-na-zakaz hero: each card is one link, same look as solution cards */
.dsl{position:relative;z-index:1;width:100%;max-width:480px;display:grid;grid-template-rows:auto;grid-auto-rows:1fr;gap:12px}
.dsl-k{margin:0 0 2px;font-size:13px;font-weight:500;color:var(--mut);letter-spacing:.01em}
.dcard{position:relative;display:grid;grid-template-columns:112px 1fr;grid-template-areas:"pic tx" "pic go";gap:12px 16px;padding:14px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh);color:inherit;text-decoration:none;cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .25s}
.dcard:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:var(--line2)}.dcard:focus-visible{outline:2px solid #fff;outline-offset:3px}
.dcard-pic{grid-area:pic;display:block;border-radius:12px;overflow:hidden;background:#161618;align-self:stretch;min-height:96px}.dcard-pic img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}.dcard:hover .dcard-pic img{transform:scale(1.05)}
.dcard-tx{grid-area:tx;display:flex;flex-direction:column;gap:3px;min-width:0}.dcard-tx small{font-size:12px;font-weight:500;color:var(--mut)}.dcard-tx b{font-size:18px;font-weight:650;letter-spacing:-.025em;line-height:1.2}.dcard-tx span{font-size:14px;line-height:1.4;color:var(--txt2)}
.dcard-go{grid-area:go;align-self:end;display:flex;align-items:center;gap:10px;height:42px;padding:0 6px 0 14px;border-radius:12px;background:var(--ink);color:#0a0a0a;font-weight:600;font-size:14.5px;letter-spacing:-.01em;box-shadow:0 10px 28px -14px rgba(255,255,255,.45);transition:background .25s,box-shadow .25s}
.dcard-go i{display:grid;place-items:center;width:30px;height:30px;margin-left:auto;border-radius:9px;background:#0a0a0a;color:#fff;font-style:normal;font-size:15px;transition:transform .3s var(--ease)}.dcard:hover .dcard-go{background:#fff;box-shadow:0 14px 34px -12px rgba(255,255,255,.6)}.dcard:hover .dcard-go i{transform:translateX(3px)}
.term{background:#0b0b0c;border-color:#1f1f22}.term .b-bar{background:#151517;border-color:#232326}.term .b-bar i{background:#3a3a3e}.term .b-bar span{background:#0b0b0c;border-color:#26262a;color:#8a8a92}
.term pre{margin:0;padding:22px;font:13px/1.8 ui-monospace,"SF Mono",Menlo,monospace;color:#d6d6da;white-space:pre-wrap}.term .ok{color:#fff}
/* sections */
.sec{padding:96px 0}.sec+.sec{border-top:1px solid var(--line)}
.sec>.wrap>.h2,.sec>.wrap>.muted{max-width:720px}
.svc{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.svc-card{position:relative;display:flex;flex-direction:column;padding:28px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh);text-decoration:none;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;min-height:270px}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--line2)}.svc-card h3{font-size:20px;letter-spacing:-.025em}.svc-card p{color:var(--mut);margin:0 0 22px;font-size:15px}
.num{font-size:13px;font-weight:500;color:var(--mut2);margin-bottom:32px;font-variant-numeric:tabular-nums}.price{margin-top:auto;font-weight:600;font-size:15px}.arrow{position:absolute;right:24px;top:22px;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);font-size:15px;color:var(--txt);transition:transform .35s var(--ease),background .3s,color .3s}
.svc-card:hover .arrow{background:var(--ink);color:#0a0a0a;border-color:var(--ink);transform:rotate(-45deg)}
.cmp{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.cmp-tbl{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card);box-shadow:var(--sh)}.row{display:grid;grid-template-columns:1.2fr 1fr 1fr;padding:16px 22px;border-top:1px solid var(--line);font-size:15px;align-items:center}
.row:first-child{border-top:0}.row.h{background:var(--bg2);color:var(--mut);font-size:13px;font-weight:500}.row span:nth-child(2){color:var(--mut2);text-decoration:line-through;text-decoration-color:rgba(255,255,255,.25)}.row.h span{text-decoration:none}.row b{font-weight:650}.row.h span:last-child{color:var(--txt);font-weight:600}
.sol{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-top:40px}
#demo-sajty .sol{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.sol-card{display:flex;flex-direction:column;padding:26px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}.sol-card:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.sol-card h3{font-size:19px;letter-spacing:-.025em}.sol-card p{color:var(--mut);font-size:15px;margin:0 0 14px}.sol-card ul{list-style:none;margin:0 0 22px;padding:0;color:var(--txt2);font-size:14px}.sol-card li{position:relative;padding:3px 0 3px 22px}.sol-card li::before{content:"";position:absolute;left:2px;top:10px;width:10px;height:6px;border-left:1.6px solid var(--txt);border-bottom:1.6px solid var(--txt);transform:rotate(-45deg)}
.tag{align-self:flex-start;margin-bottom:16px;padding:3px 10px;border-radius:999px;background:var(--bg2);border:1px solid var(--line);color:var(--txt2);font-size:12px;font-weight:500}
.sol-f{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.sol-f b{font-size:21px;font-weight:650;letter-spacing:-.03em}.sol-f div{display:flex;gap:6px}
.steps{list-style:none;counter-reset:s;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card);box-shadow:var(--sh)}
.steps li{counter-increment:s;padding:28px;border-left:1px solid var(--line);color:var(--mut);font-size:15px}.steps li:first-child{border-left:0}
.steps li::before{content:"0" counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#0a0a0a;font-size:12px;font-weight:600;margin-bottom:20px;box-shadow:0 0 18px rgba(255,255,255,.25)}.steps b{display:block;color:var(--txt);font-size:17px;font-weight:600;letter-spacing:-.02em;margin-bottom:6px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}.fcard{padding:26px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh)}.fcard h3{font-size:17px;letter-spacing:-.02em}.fcard p{margin:0;color:var(--mut);font-size:15px}
.ptbl{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:24px;background:var(--card);box-shadow:var(--sh)}.prow{display:grid;grid-template-columns:1fr auto 130px;gap:16px;align-items:center;padding:18px 24px;border-top:1px solid var(--line);transition:background .2s}
.prow:hover{background:var(--bg2)}.prow:first-child{border-top:0}.prow b{font-size:17px;font-weight:650;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.prow small{color:var(--mut);font-size:13.5px}.prow span small{display:block}.prow>small{text-align:right}
/* form */
.form-sec{background:var(--bg2);border-block:1px solid var(--line)}.form-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.alt{margin-top:32px}.contacts-line{color:var(--mut);font-size:15px}.contacts-line a{color:var(--txt);text-decoration:none;border-bottom:1px solid var(--line2)}
.calc{padding:32px;border-radius:24px;background:var(--card);border:1px solid var(--line);box-shadow:var(--sh2)}
fieldset{border:0;padding:0;margin:0 0 22px}legend{font-weight:600;font-size:14px;margin-bottom:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-block;padding:9px 14px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.03);cursor:pointer;font-size:14px;font-weight:500;transition:background .2s,border-color .2s,color .2s}.chip span:hover{border-color:rgba(255,255,255,.3)}
.chip span small{color:var(--mut);font-weight:400}.chip input:checked+span{background:var(--ink);border-color:var(--ink);color:#0a0a0a}.chip input:checked+span small{color:#55555c}
.chip input:focus-visible+span{outline:2px solid var(--ink);outline-offset:2px}.feat.off{opacity:.35;pointer-events:none}
.sol-picked{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;padding:12px 16px;border-radius:14px;background:var(--bg2);border:1px solid var(--line2);font-weight:500}
.sol-picked[hidden]{display:none}.x{background:none;border:0;color:var(--txt);font-size:22px;cursor:pointer}
.total{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding:18px 0;margin-bottom:16px;border-block:1px solid var(--line)}.total small{color:var(--mut)}.total b{font-size:28px;font-weight:700;letter-spacing:-.035em}.total span{color:var(--mut)}
.fld{display:block;font-weight:500;font-size:14px;margin-bottom:16px}
.fld input,.fld textarea{display:block;width:100%;margin-top:7px;padding:13px 15px;border-radius:12px;border:1px solid var(--line2);background:#0c0c0d;color:var(--txt);font:16px var(--f);resize:vertical;transition:border-color .2s,box-shadow .2s}
.fld input::placeholder,.fld textarea::placeholder{color:#55555c}.fld input:focus,.fld textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(255,255,255,.08)}.hp{position:absolute;left:-9999px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--mut);margin-bottom:18px}.consent input{margin-top:3px;accent-color:#fafafa}
.form-msg{min-height:1.4em;margin:12px 0 0;font-weight:500}.form-msg.ok{color:#5ad38a}.form-msg.err{color:#ff6b6b}
/* faq */
.faq{margin-top:28px;border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;list-style:none;padding:22px 44px 22px 0;font-weight:600;font-size:17px;letter-spacing:-.015em;position:relative}.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:9px;height:9px;margin-top:-7px;border-right:1.6px solid var(--txt);border-bottom:1.6px solid var(--txt);transform:rotate(45deg);transition:transform .3s var(--ease)}.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px}.faq p{margin:-6px 0 22px;color:var(--mut);max-width:700px}
.contacts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}.ccard{display:flex;flex-direction:column;gap:6px;padding:26px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh);text-decoration:none;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.ccard:hover{transform:translateY(-3px);box-shadow:var(--sh2)}.ccard small{color:var(--mut)}.ccard b{font-size:17px;font-weight:600;letter-spacing:-.02em;word-break:break-word}.ccard span{color:var(--mut);font-size:14px}
/* footer */
.foot{padding:72px 0 100px;background:#070707;border-top:1px solid var(--line);color:#8d8d94;font-size:15px}.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.foot p{max-width:360px}
.foot h3{font-size:13px;font-weight:500;color:#fff;letter-spacing:0;margin-bottom:14px}.foot a:not(.logo){display:block;text-decoration:none;padding:4px 0;transition:color .2s}.foot a:hover{color:#fff}.foot .logo{color:#fff}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid #1f1f22;font-size:13px;color:#6b6b72}
.mbar{display:none}
/* reveal */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}.js .rv.on{opacity:1;transform:none}
@media (max-width:1100px){.stage-duo .phone-chat{margin-right:90px}.stage-duo .phone-app{transform:scale(.78) rotate(4deg)}}
@media (max-width:980px){.hero-in,.cmp,.form-grid{grid-template-columns:1fr;gap:48px}.svc,.feat-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.steps li:nth-child(3){border-left:0}.steps li:nth-child(n+3){border-top:1px solid var(--line)}.sec{padding:72px 0}.stage-duo .phone-chat{margin-right:0}.stage-duo .phone-app{right:calc(50% - 330px)}}
@media (max-width:760px){.wrap,.narrow{width:min(100% - 36px,1180px)}
.nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;padding:10px 18px 18px;background:#0a0a0a;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(0,0,0,.8)}.nav.open{display:flex}.nav .nav-tg,.nav .nav-tg:hover{display:flex;margin-top:8px;justify-content:center;background:var(--ink);color:#0a0a0a;font-weight:600}.nav a{padding:13px 12px;font-size:16px;border-radius:12px}
.burger{display:block}.hide-m{display:none}.hero{padding:36px 0 48px}.hero::before{background-size:44px 44px}.hero-in{gap:40px}.cta{margin:26px 0 30px}.cta .btn{flex:1 1 100%;height:52px}.facts{gap:22px;justify-content:space-between}.facts li{flex:1;min-width:0}.facts b{font-size:17px}
.svc,.steps,.feat-grid,.contacts,.foot-in{grid-template-columns:1fr}.steps li{border-left:0!important;border-top:1px solid var(--line)}.steps li:first-child{border-top:0}.svc-card{min-height:0}.num{margin-bottom:18px}
.hero-in{gap:0}.hero-txt{display:contents}.hero-vis{order:1;margin:6px -18px 34px;padding:0 18px;overflow:hidden}.facts{order:2}.stage{min-height:0}.stage-duo{place-items:start;padding:10px 0 24px}.stage-duo .phone-chat{margin-right:0;animation:none}.stage-duo .phone-app{display:block;right:-112px;top:44px;transform:scale(.72) rotate(6deg);transform-origin:top right}.device{width:300px;height:620px;border-radius:52px}.device-screen{border-radius:42px}.stage .glow{inset:-6% -30%}.tg-rk span{font-size:12px;letter-spacing:-.03em}.tg-b{font-size:14px}
.prow{grid-template-columns:1fr auto;padding:16px 18px}.prow>small{display:none}.row{grid-template-columns:1fr 1fr 1fr;font-size:13px;padding:13px 14px;gap:6px}
.calc{padding:20px;border-radius:20px}.sec{padding:60px 0}.foot{padding:56px 0 110px}
.mbar{display:flex;gap:8px;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;padding:6px;border-radius:999px;background:rgba(20,20,22,.78);backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);border:1px solid rgba(255,255,255,.1);box-shadow:0 12px 32px -12px rgba(0,0,0,.9)}.mbar .btn{flex:1;height:46px;padding:0 12px}.mbar .btn-tg{background:var(--ink);color:#0a0a0a;border-color:var(--ink)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}.js .rv{opacity:1;transform:none}}
@media (min-width:761px){.nav .nav-tg{display:none}}
@media (max-width:420px){.dcard{grid-template-columns:96px 1fr;gap:10px 14px;padding:12px}.dcard-tx b{font-size:17px}.dcard-tx span{font-size:13.5px}}

@media (max-width:760px){.btn.sm{height:44px}.mbar{transition:transform .3s var(--ease),opacity .3s}.mbar.off{transform:translateY(140%);opacity:0;pointer-events:none}}
.calc [aria-invalid=true]{border-color:#ff8a80!important;box-shadow:0 0 0 3px rgba(255,138,128,.18)}.consent input[aria-invalid=true]{outline:2px solid #ff8a80;outline-offset:2px}