:root{
  --bg:#09090b; --surface:#131316; --surface2:#1b1b20; --line:#2a2a31;
  --ink:#f4f4f5; --soft:#c3c3ca; --muted:#8a8a93;
  --accent:#ff8a1e; --accent2:#ff5e2a; --good:#34d399;
  --grad:linear-gradient(135deg,#ff9a1e,#ff5e2a);
  --radius:18px; --maxw:1120px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.sec{padding:76px 0}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:14px}
h1,h2,h3{line-height:1.12;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(32px,5.4vw,58px);font-weight:800}
h2{font-size:clamp(26px,3.6vw,40px);font-weight:800}
h3{font-size:19px;font-weight:700}
p{margin:0}
.lead{color:var(--soft);font-size:clamp(16px,2vw,19px);max-width:620px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;border-radius:999px;padding:13px 22px;border:1px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#1a0f00;box-shadow:0 8px 30px -8px rgba(255,120,30,.6)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-ghost{background:var(--surface2);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(9,9,11,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em}
.logo .mark{width:32px;height:32px;border-radius:9px;display:block;flex:none}
.logo{letter-spacing:.02em;text-transform:uppercase;font-size:15px}
.nav-links{display:flex;gap:22px;margin-left:12px}
.nav-links a{color:var(--soft);font-size:14.5px;font-weight:600}
.nav-links a:hover{color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;color:var(--ink);cursor:pointer}
/* hero */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto;height:560px;background:radial-gradient(60% 60% at 70% 20%,rgba(255,120,30,.22),transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative}
.hero h1{margin-bottom:18px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 13px;font-size:13px;color:var(--soft)}
.chip b{color:var(--ink)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.stat-card{display:grid;gap:14px}
.stat-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.stat-row:last-child{border-bottom:0}
.stat-row .k{color:var(--muted);font-size:13px}
.stat-row .v{font-weight:800;font-size:18px}
.bars{display:flex;align-items:flex-end;gap:8px;height:90px;margin-top:6px}
.bars i{flex:1;background:var(--grad);border-radius:6px 6px 0 0;opacity:.85}
/* generic grids */
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.steps{counter-reset:s}
.step{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line)}
.step .n{flex:none;width:44px;height:44px;border-radius:12px;background:var(--surface2);border:1px solid var(--line);display:grid;place-items:center;font-weight:800;color:var(--accent)}
.step ul{margin:8px 0 0;padding-left:18px;color:var(--soft);font-size:14.5px}
.svc{display:flex;flex-direction:column;gap:12px;transition:.15s}
.svc:hover{border-color:var(--accent);transform:translateY(-2px)}
.svc .ico{width:46px;height:46px;border-radius:12px;background:rgba(255,120,30,.14);color:var(--accent);display:grid;place-items:center;font-size:22px}
.svc p{color:var(--soft);font-size:14.5px;flex:1}
.svc .go{color:var(--accent);font-weight:700;font-size:14px}
.tag{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--surface2);border:1px solid var(--line);color:var(--muted)}
.tag.new{background:rgba(52,211,153,.14);border-color:transparent;color:var(--good)}
.offer{background:linear-gradient(135deg,#1b1206,#131316);border:1px solid #3a2a12}
.price{font-size:40px;font-weight:900;letter-spacing:-.03em}
.muted{color:var(--muted)}
.soft{color:var(--soft)}
.cta-band{background:var(--grad);border-radius:26px;padding:44px;color:#1a0f00;text-align:center}
.cta-band h2{color:#1a0f00}
.cta-band .btn-ghost{background:#1a0f00;color:#fff;border-color:transparent}
footer{border-top:1px solid var(--line);padding:46px 0 30px;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.foot-grid a{display:block;color:var(--soft);font-size:14px;padding:4px 0}
.foot-grid a:hover{color:var(--ink)}
.copy{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr}
  .g3{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:14px 20px;gap:4px}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0;border-bottom:1px solid var(--line)}
  .burger{display:block;margin-left:auto}
  .nav-cta{display:none}
}
@media(max-width:520px){.g3,.g2,.foot-grid{grid-template-columns:1fr}.sec{padding:52px 0}}

/* --- страницы сервисов --- */
.page-hero{position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:-30% -10% auto;height:520px;background:radial-gradient(55% 55% at 72% 10%,rgba(255,120,30,.20),transparent 70%);pointer-events:none}
.back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;font-weight:600;margin-bottom:18px}
.back:hover{color:var(--ink)}
.page-hero .ico-xl{width:64px;height:64px;border-radius:16px;background:rgba(255,120,30,.14);color:var(--accent);display:grid;place-items:center;font-size:30px;margin-bottom:18px}
.feat{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.feat .d{flex:none;width:40px;height:40px;border-radius:11px;background:var(--surface2);border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);font-weight:800}
.feat p{color:var(--soft);font-size:14.5px;margin-top:3px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}

/* --- демо: телефон-мок и чат в стиле MAX --- */
.demo-wrap{display:grid;grid-template-columns:1fr 360px;gap:36px;align-items:center}
.phone{width:340px;max-width:100%;margin:0 auto;background:#0c0c0f;border:1px solid var(--line);border-radius:34px;padding:12px;box-shadow:0 30px 80px -30px rgba(0,0,0,.8)}
.phone .screen{background:linear-gradient(180deg,#141418,#0e0e12);border-radius:24px;overflow:hidden;min-height:480px;display:flex;flex-direction:column}
.phone .bar{display:flex;align-items:center;gap:10px;padding:14px 14px 12px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.phone .bar .av{width:34px;height:34px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#1a0f00;font-weight:800;font-size:15px}
.phone .bar .nm{font-weight:700;font-size:14px}
.phone .bar .st{font-size:11px;color:var(--good)}
.chat{flex:1;padding:14px;display:flex;flex-direction:column;gap:10px;overflow:hidden}
.msg{max-width:82%;padding:9px 12px;border-radius:14px;font-size:13.5px;line-height:1.45;opacity:0;transform:translateY(8px);animation:rise .45s forwards}
.msg.in{align-self:flex-start;background:#20222b;border-top-left-radius:5px}
.msg.out{align-self:flex-end;background:#33261a;box-shadow:inset 0 0 0 1px rgba(255,140,40,.25);border-top-right-radius:5px}
.msg.del{opacity:.5;text-decoration:line-through;background:#2a1414;box-shadow:inset 0 0 0 1px rgba(255,80,80,.3)}
.msg .sys{display:block;font-size:11px;color:var(--muted);margin-top:4px}
.msg .file{display:flex;align-items:center;gap:9px;margin-top:6px;background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.msg .file .fi{width:30px;height:30px;border-radius:8px;background:var(--grad);display:grid;place-items:center;color:#1a0f00}
.mark-red{color:#ff5d5d;font-weight:600}
.kb{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.kb a,.kb span{background:rgba(255,140,40,.14);color:var(--accent);border:1px solid rgba(255,140,40,.3);border-radius:9px;padding:6px 10px;font-size:12px;font-weight:600}
.post{background:#16161b;border:1px solid var(--line);border-radius:14px;padding:12px;font-size:13px}
.post h4{margin:0 0 6px;font-size:14px}
.post .row{display:flex;align-items:center;gap:8px;padding:5px 0;color:var(--soft)}
.post .row .d{width:22px;height:22px;border-radius:6px;background:var(--surface2);display:grid;place-items:center;font-size:12px}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tiles .t{background:#16161b;border:1px solid var(--line);border-radius:12px;padding:10px}
.tiles .t b{display:block;font-size:20px}
.tiles .t span{font-size:11px;color:var(--muted)}
.toggle{width:38px;height:22px;border-radius:999px;background:var(--grad);position:relative}
.toggle::after{content:"";position:absolute;right:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#fff}
@keyframes rise{to{opacity:1;transform:none}}
.msg.d1{animation-delay:.1s}.msg.d2{animation-delay:.7s}.msg.d3{animation-delay:1.4s}.msg.d4{animation-delay:2.1s}.msg.d5{animation-delay:2.8s}
@media(max-width:860px){.demo-wrap{grid-template-columns:1fr}}

/* --- графики и интерактив --- */
.chart-card{position:relative}
.chart svg{width:100%;height:auto;display:block}
.chart .line{fill:none;stroke:url(#g);stroke-width:3;stroke-linecap:round;stroke-dasharray:1000;stroke-dashoffset:1000;animation:draw 1.8s ease forwards}
.chart .area{fill:url(#ga);opacity:0;animation:fade 1.4s ease .4s forwards}
.chart .dot{fill:#fff;stroke:var(--accent2);stroke-width:3;opacity:0;animation:fade .5s ease 1.6s forwards}
.chart .gl{stroke:var(--line);stroke-width:1}
.chart text{fill:var(--muted);font-size:11px;font-family:var(--font)}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}
.count{font-variant-numeric:tabular-nums}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center}
.calc .out{display:grid;gap:12px}
.calc .big{font-size:40px;font-weight:900;letter-spacing:-.03em}
input[type=range]{width:100%;accent-color:var(--accent);height:6px}
.range-val{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:6px}
.donut{--p:80;width:140px;height:140px;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--p)*1%),var(--surface2) 0);display:grid;place-items:center;margin:0 auto}
.donut .hole{width:98px;height:98px;border-radius:50%;background:var(--surface);display:grid;place-items:center;text-align:center}
@media(max-width:620px){.calc{grid-template-columns:1fr}}