/* ============================================================
   ЗОРКИЙ, design system (white iOS-premium glassmorphism)
   ============================================================ */
:root{
  /* surfaces */
  --bg:#EEF1F5;
  --bg-2:#F7F9FB;
  --glass:rgba(255,255,255,.62);
  --glass-strong:rgba(255,255,255,.78);
  --glass-line:rgba(255,255,255,.7);
  --solid:#FFFFFF;

  /* ink */
  --ink:#0E1116;
  --ink-2:#3A424E;
  --ink-3:#6B7480;
  --ink-4:#6E7682;     /* AA-safe muted text on white */

  /* brand */
  --scan:#22B0EE;          /* signature scanner accent */
  --scan-deep:#1584CC;     /* AA-safe blue text/edges on white */
  --scan-ink:#0E63A8;
  --amber:#FFB020;         /* "важно / тревога" only */
  --amber-deep:#8A5A08;

  /* lines & shadow */
  --line:rgba(14,17,22,.08);
  --line-2:rgba(14,17,22,.12);
  --sh-sm:0 1px 2px rgba(16,24,40,.05), 0 8px 20px -10px rgba(16,24,40,.14);
  --sh-md:0 1px 2px rgba(16,24,40,.05), 0 18px 44px -18px rgba(16,24,40,.20);
  --sh-lg:0 30px 70px -28px rgba(16,24,40,.30);
  --sh-scan:0 18px 50px -18px rgba(34,176,238,.45);

  --r:30px;        /* cards / containers */
  --r-sm:18px;
  --r-pill:999px;

  --ff:"SF Pro Text","SF Pro Display",-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",system-ui,sans-serif;
  --ff-disp:"SF Pro Display",-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",system-ui,sans-serif;
  --ff-mono:"JetBrains Mono",ui-monospace,"SF Mono","Segoe UI Mono",monospace;

  --maxw:1200px;
  --nav-h:80px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.5;
  overflow-x:hidden;
}
/* ambient color so frosted glass has something to refract */
.aura{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.aura::before,.aura::after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}
.aura::before{width:640px;height:640px;left:-160px;top:-180px;background:radial-gradient(circle at 30% 30%,rgba(34,176,238,.55),transparent 70%)}
.aura::after{width:720px;height:720px;right:-220px;top:480px;background:radial-gradient(circle at 50% 50%,rgba(120,170,255,.40),transparent 70%)}
.aura i{position:absolute;width:520px;height:520px;left:40%;bottom:-260px;border-radius:50%;filter:blur(90px);opacity:.45;background:radial-gradient(circle,rgba(34,176,238,.30),transparent 70%)}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--ff-disp);margin:0;letter-spacing:-.02em;line-height:1.07;font-weight:700}
p{margin:0}
.mono{font-family:var(--ff-mono);font-variant-numeric:tabular-nums}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{scroll-margin-top:calc(var(--nav-h) + 16px)}
.block{padding:88px 0}
.block-tight{padding:64px 0}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--scan-ink);margin-bottom:18px}
.eyebrow::before{content:"";width:18px;height:18px;flex:none;border-radius:50%;
  background:
    radial-gradient(circle,var(--scan) 0 2px,transparent 3px),
    repeating-radial-gradient(circle,transparent 0 3px,rgba(21,132,204,.55) 3px 4px)}
.h-sec{font-size:clamp(28px,4vw,46px);font-weight:700;letter-spacing:-.03em}
.sub-sec{margin-top:16px;font-size:clamp(16px,1.6vw,19px);color:var(--ink-2);max-width:62ch}

/* ---------- glass primitives ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(22px) saturate(160%);
  backdrop-filter:blur(22px) saturate(160%);
  border:1px solid var(--glass-line);
  border-radius:var(--r);
  box-shadow:var(--sh-md), inset 0 1px 0 rgba(255,255,255,.7);
}
.card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  backdrop-filter:blur(20px) saturate(150%);
  border:1px solid rgba(255,255,255,.65);
  border-radius:var(--r);
  box-shadow:var(--sh-sm), inset 0 1px 0 rgba(255,255,255,.6);
  padding:30px;
  transition:transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s, border-color .35s;
}
a.card:hover,.card.hoverable:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(34,176,238,.5)}
/* progressive-enhancement fallback when backdrop-filter is unsupported */
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .glass,.card,.nav,.mobile-menu,.btn-ghost,.chip,.city{background:rgba(255,255,255,.94)}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--ff);font-weight:600;font-size:16px;line-height:1;
  padding:16px 26px;border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  transition:transform .2s, box-shadow .25s, background .25s, border-color .25s;white-space:nowrap}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{color:#FFFFFF;background:linear-gradient(180deg,#2081D5,#1774CC);box-shadow:var(--sh-scan)}
.btn-primary:hover{box-shadow:0 22px 60px -16px rgba(34,176,238,.6)}
.btn-ghost{color:var(--ink);background:var(--glass-strong);border-color:var(--line-2);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.btn-ghost:hover{border-color:rgba(14,17,22,.28)}
.btn-sm{padding:12px 20px;font-size:15px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
  outline:3px solid rgba(34,176,238,.55);outline-offset:3px;border-radius:14px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;height:auto;padding:12px 16px;background:transparent;border:none}
.nav .wrap{display:flex;align-items:center;gap:16px;width:100%;max-width:1180px;margin:0 auto;
  padding:8px 10px 8px 22px;
  background:var(--glass-strong);
  -webkit-backdrop-filter:blur(22px) saturate(175%);backdrop-filter:blur(22px) saturate(175%);
  border:1px solid var(--glass-line);border-radius:32px;
  box-shadow:0 12px 34px -14px rgba(16,24,40,.28), inset 0 1px 0 rgba(255,255,255,.65)}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-disp);font-weight:800;font-size:22px;letter-spacing:-.02em}
.brand .tick{position:relative;width:14px;height:14px}
.brand .tick::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--scan-deep)}
.brand .tick::after{content:"";position:absolute;left:50%;top:50%;width:5px;height:5px;border-radius:50%;background:var(--scan);transform:translate(-50%,-50%);box-shadow:0 0 0 3px rgba(34,176,238,.25)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink-2);padding:9px 13px;border-radius:12px;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--ink);background:rgba(14,17,22,.05)}
.nav-links a.active{color:var(--scan-ink);background:rgba(34,176,238,.12)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-phone{font-family:var(--ff-mono);font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap}
.burger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line-2);background:var(--glass-strong);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none}

/* ---------- HERO ---------- */
.hero{position:relative;padding:64px 0 56px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,5.4vw,64px);letter-spacing:-.035em;font-weight:800}
.hero h1 .accent{background:linear-gradient(120deg,var(--scan-deep),#0E63A8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:22px;font-size:clamp(16px,1.7vw,20px);color:var(--ink-2);max-width:54ch}
.hero-cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.trust-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--ink-2);
  padding:9px 15px;border-radius:var(--r-pill);background:var(--glass-strong);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.chip svg{width:15px;height:15px;color:var(--scan-deep)}

/* hero radar signature (option 2: sweep + concentric detection rings) */
.radar-stage{position:relative;aspect-ratio:1/1;width:100%;max-width:440px;margin:0 auto}
.radar-glass{position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 50% 42%,rgba(255,255,255,.85),rgba(255,255,255,.45));
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.8);box-shadow:var(--sh-lg), inset 0 2px 10px rgba(255,255,255,.8)}
.radar-svg{position:absolute;inset:0;width:100%;height:100%}
.radar-ring{fill:none;stroke:rgba(21,132,204,.28);stroke-width:1}
.radar-cross{stroke:rgba(21,132,204,.20);stroke-width:1}
.radar-sweep{transform-origin:50% 50%;animation:sweep 5.5s linear infinite}
.radar-blip{fill:var(--scan);animation:blip 5.5s ease-in-out infinite}
.radar-blip.b2{animation-delay:2s}
.radar-blip.b3{animation-delay:3.6s}
@keyframes sweep{to{transform:rotate(360deg)}}
@keyframes blip{0%,12%{opacity:0;r:0}18%{opacity:1;r:6}40%{opacity:.9}70%{opacity:0;r:9}100%{opacity:0}}
.radar-badge{position:absolute;left:50%;bottom:6%;transform:translateX(-50%);
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--scan-ink);
  padding:8px 14px;border-radius:var(--r-pill);background:var(--glass-strong);border:1px solid rgba(34,176,238,.4);
  box-shadow:var(--sh-sm)}
.radar-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--scan);box-shadow:0 0 0 4px rgba(34,176,238,.25);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(34,176,238,.08)}}

/* ---------- generic grids ---------- */
.grid{display:grid;gap:20px}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.icon-badge{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,rgba(34,176,238,.18),rgba(34,176,238,.08));border:1px solid rgba(34,176,238,.3);margin-bottom:18px}
.icon-badge svg{width:26px;height:26px;color:var(--scan-deep)}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:15.5px}
.feat-num{font-family:var(--ff-mono);font-size:14px;color:var(--scan-ink);font-weight:600}

/* ---------- how it works ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.step{position:relative}
.step .n{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-mono);font-weight:600;font-size:18px;color:#FFFFFF;background:linear-gradient(180deg,#2081D5,#1774CC);box-shadow:var(--sh-scan);margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:15px;color:var(--ink-2)}
.step .arrow{position:absolute;top:23px;right:-12px;color:var(--scan-deep);opacity:.5}
.how-note{margin-top:26px;font-size:14.5px;color:var(--ink-3);display:inline-flex;align-items:center;gap:10px}

/* ---------- analytics tiles ---------- */
.tile-link{display:flex;flex-direction:column;gap:14px}
.tile-link .arr{margin-top:auto;color:var(--scan-ink);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:gap .25s}
a.card:hover .arr{gap:11px}

/* ---------- perimeter ---------- */
.perimeter{position:relative;overflow:hidden}
.perimeter .inner{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;padding:48px}
.perimeter h2{font-size:clamp(26px,3.4vw,40px)}
.perimeter p{margin-top:18px;color:var(--ink-2);font-size:17px}
.peri-vis{position:relative;aspect-ratio:4/3;border-radius:24px;overflow:hidden;
  background:linear-gradient(160deg,#0E1116,#1A2230);border:1px solid rgba(255,255,255,.08)}
.peri-vis svg{position:absolute;inset:0;width:100%;height:100%}
.peri-scanline{stroke:var(--scan);stroke-width:2;filter:drop-shadow(0 0 6px rgba(34,176,238,.7));transform-origin:8% 92%;animation:fan 6s ease-in-out infinite alternate}
@keyframes fan{from{transform:rotate(-6deg)}to{transform:rotate(-52deg)}}
.peri-tag{position:absolute;top:14px;left:14px;font-family:var(--ff-mono);font-size:12px;color:var(--scan);background:rgba(34,176,238,.12);border:1px solid rgba(34,176,238,.35);padding:5px 10px;border-radius:10px}

/* ---------- solutions ---------- */
.sol{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sol a{padding:22px;display:flex;flex-direction:column;gap:12px;position:relative}
.sol .icon-badge{width:46px;height:46px;border-radius:14px;margin:0}
.sol h3{font-size:17px}
.sol p{font-size:14px;color:var(--ink-3)}
.sol .star{position:absolute;top:18px;right:18px;font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--amber-deep);background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.4);padding:4px 9px;border-radius:var(--r-pill)}
.sol a.featured{border-color:rgba(34,176,238,.45);box-shadow:var(--sh-md)}

/* ---------- compare ---------- */
.seg{display:inline-flex;padding:5px;border-radius:var(--r-pill);background:var(--glass-strong);border:1px solid var(--line);gap:4px;margin-bottom:26px}
.seg button{border:none;background:transparent;cursor:pointer;font-family:var(--ff);font-weight:600;font-size:15px;color:var(--ink-2);padding:12px 22px;border-radius:var(--r-pill);transition:.25s}
.seg button.on{color:#FFFFFF;background:linear-gradient(180deg,#2081D5,#1774CC);box-shadow:var(--sh-sm)}
.seg button.on.dim{color:var(--ink);background:rgba(14,17,22,.08);box-shadow:none}
.cmp{overflow:hidden;padding:0}
.cmp-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.cmp-row:first-child{border-top:none}
.cmp-cell{padding:20px 26px;font-size:15.5px;display:flex;align-items:center;gap:12px;color:var(--ink-2)}
.cmp-head{font-weight:700;font-size:16px;color:var(--ink);font-family:var(--ff-disp)}
.cmp-old{background:rgba(14,17,22,.015)}
.cmp-new{background:rgba(34,176,238,.06);color:var(--ink);position:relative}
.cmp-new.is-active::after,.cmp-old.is-active::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 2px rgba(34,176,238,.5);pointer-events:none}
.cmp-cell .mk{flex:none;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.mk.bad{background:rgba(14,17,22,.07);color:var(--ink-3)}
.mk.good{background:rgba(34,176,238,.18);color:var(--scan-deep)}
.cmp-cell .mk svg{width:13px;height:13px}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:t}
.tl{position:relative;padding-top:34px}
.tl::before{content:"";position:absolute;top:9px;left:0;right:0;height:2px;background:linear-gradient(90deg,rgba(34,176,238,.5),rgba(34,176,238,.15))}
.tl::after{counter-increment:t;content:counter(t);position:absolute;top:0;left:0;width:20px;height:20px;border-radius:50%;background:var(--scan);color:#FFFFFF;font-family:var(--ff-mono);font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 4px rgba(34,176,238,.2)}
.tl h3{font-size:16px;margin-bottom:6px}
.tl p{font-size:14px;color:var(--ink-3)}

/* ---------- cases ---------- */
.case .case-loc{font-size:13px;color:var(--scan-ink);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}
.case h3{font-size:20px;margin-bottom:14px}
.case .row{font-size:14.5px;color:var(--ink-2);margin-bottom:10px;display:flex;gap:10px}
.case .row b{color:var(--ink);font-weight:600;flex:none;width:78px}
.case .res{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-weight:600;color:var(--scan-ink)}
.ph{display:inline-block;font-size:11px;color:var(--ink-4);border:1px dashed var(--line-2);padding:3px 9px;border-radius:8px;margin-left:10px;vertical-align:middle}

/* ---------- geography ---------- */
.geo .inner{padding:44px;display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}
.geo h2{font-size:clamp(24px,3vw,36px)}
.geo p{margin-top:16px;color:var(--ink-2);font-size:16.5px}
.city-cloud{display:flex;flex-wrap:wrap;gap:9px}
.city{font-size:14px;color:var(--ink-2);padding:8px 14px;border-radius:var(--r-pill);background:var(--glass-strong);border:1px solid var(--line)}

/* ---------- calculator ---------- */
.calc{display:grid;grid-template-columns:1fr .85fr;gap:24px}
.calc-controls{padding:34px}
.field{margin-bottom:24px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:10px}
.field-row{display:flex;justify-content:space-between;align-items:baseline}
select,input[type=text],input[type=tel]{
  width:100%;font-family:var(--ff);font-size:16px;color:var(--ink);padding:14px 16px;border-radius:16px;
  background:var(--solid);border:1px solid var(--line-2);transition:border-color .2s, box-shadow .2s;appearance:none}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7480' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:44px}
select:hover,input:hover{border-color:var(--line-2)}
select:focus,input:focus{border-color:var(--scan-deep);box-shadow:0 0 0 4px rgba(34,176,238,.16);outline:none}
input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:6px;border-radius:6px;background:linear-gradient(90deg,var(--scan) var(--p,30%),rgba(14,17,22,.1) var(--p,30%));margin-top:4px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:1px solid var(--line-2);box-shadow:var(--sh-sm);cursor:pointer}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border:1px solid var(--line-2);border-radius:50%;background:#fff;box-shadow:var(--sh-sm);cursor:pointer}
.cam-val{font-family:var(--ff-mono);font-weight:600;font-size:18px;color:var(--ink)}
.switch,.field .switch{display:inline-flex;align-items:center;gap:12px;cursor:pointer;user-select:none}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch .track{width:50px;height:30px;border-radius:var(--r-pill);background:rgba(14,17,22,.14);position:relative;transition:.25s;flex:none}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:var(--sh-sm);transition:.25s}
.switch input:checked + .track{background:linear-gradient(180deg,#2081D5,#1774CC)}
.switch input:checked + .track::after{transform:translateX(20px)}
.switch input:focus-visible + .track{outline:3px solid rgba(34,176,238,.55);outline-offset:3px}
.calc-out{padding:34px;display:flex;flex-direction:column;justify-content:center;text-align:center;
  background:linear-gradient(180deg,rgba(34,176,238,.10),rgba(255,255,255,.4))}
.calc-out .lbl{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);font-weight:600}
.calc-price{font-family:var(--ff-mono);font-weight:600;font-size:clamp(26px,4vw,38px);color:var(--ink);margin:14px 0;letter-spacing:-.02em}
.calc-price small{font-size:.5em;color:var(--ink-3);font-weight:500}
.calc-note{font-size:13.5px;color:var(--ink-3);margin-bottom:22px}

/* ---------- trust numbers ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{text-align:center;padding:30px 20px}
.metric .num{font-family:var(--ff-mono);font-weight:600;font-size:clamp(34px,5vw,52px);letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--scan-deep),#0E63A8);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .cap{margin-top:8px;font-size:14.5px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq{padding:0;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:24px 28px;display:flex;align-items:center;gap:16px;font-family:var(--ff-disp);font-weight:600;font-size:17.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .q-ic{margin-left:auto;flex:none;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(34,176,238,.14);color:var(--scan-deep);transition:transform .3s}
.faq[open] summary .q-ic{transform:rotate(45deg)}
.faq .a{padding:0 28px 26px 28px;color:var(--ink-2);font-size:15.5px;max-width:70ch}

/* ---------- final CTA / form ---------- */
.cta-final{position:relative;overflow:hidden;padding:54px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-final h2{font-size:clamp(26px,3.4vw,42px)}
.cta-final p{margin-top:16px;color:var(--ink-2);font-size:16.5px}
.contact-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.contact-list a{display:inline-flex;align-items:center;gap:12px;font-weight:600;color:var(--ink)}
.contact-list a .ci{width:42px;height:42px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--glass-strong);border:1px solid var(--line);color:var(--scan-deep)}
form .field{margin-bottom:18px}
.err[hidden]{display:none!important}
.err{display:block;color:#C2410C;font-size:13px;margin-top:7px;min-height:0;opacity:0;transition:opacity .2s}
.field.invalid input,.field.invalid select{border-color:#F97316;box-shadow:0 0 0 4px rgba(249,115,22,.14)}
.field.invalid .err{opacity:1}
.consent.invalid .err{opacity:1}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:13px;color:var(--ink-3);margin-bottom:20px}
.consent input{margin-top:2px;width:18px;height:18px;accent-color:var(--scan-deep);flex:none}
.consent.invalid{color:#C2410C}
.form-ok{display:none;text-align:center;padding:30px}
.form-ok.show{display:block}
.form-ok .ok-ic{width:64px;height:64px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#2081D5,#1774CC);color:#FFFFFF;box-shadow:var(--sh-scan)}
.form-ok h3{font-size:22px;margin-bottom:10px}
.form-ok p{color:var(--ink-2)}

/* ---------- footer ---------- */
footer{margin-top:30px;border-top:1px solid var(--line);background:rgba(247,249,251,.6);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding:56px 0 30px}
.foot h4{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);margin-bottom:16px;font-family:var(--ff)}
.foot a,.foot p{display:block;color:var(--ink-2);font-size:14.5px;margin-bottom:9px}
.foot a:hover{color:var(--ink)}
.foot .brand{font-size:20px;margin-bottom:14px}
.foot .desc{color:var(--ink-3);font-size:14px;max-width:30ch}
.foot-cities{font-size:13px;color:var(--ink-4);line-height:1.7}
.foot-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-4)}
.foot-bottom a{color:var(--ink-3)}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav-links{display:none}
  .burger{display:flex}
  .nav-phone{display:none}
  .nav-right .btn-primary{display:none}   /* CTA доступен в бургер-меню */
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .radar-stage{max-width:360px}
  .g-4,.g-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px}
  .step .arrow{display:none}
  .sol{grid-template-columns:repeat(2,1fr)}
  .perimeter .inner,.geo .inner{grid-template-columns:1fr;gap:28px}
  .calc{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px}
  .tl::before{display:none}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .cta-final{grid-template-columns:1fr;gap:30px;padding:40px}
  .foot{grid-template-columns:1fr 1fr}
  /* mobile menu */
  .mobile-menu{display:block;position:fixed;inset:var(--nav-h) 0 auto 0;z-index:49;
    background:rgba(247,249,251,.92);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
    border-bottom:1px solid var(--line);padding:14px 24px 22px;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .3s,transform .3s,visibility 0s .3s}
  .mobile-menu.open{transform:none;opacity:1;visibility:visible;pointer-events:auto;transition:opacity .3s,transform .3s,visibility 0s 0s}
  .mobile-menu a{display:block;padding:14px 8px;font-size:17px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line)}
  .mobile-menu a:last-child{border:none}
  .mobile-menu .btn{width:100%;margin-top:14px}
}
@media (max-width:560px){
  .block{padding:60px 0}
  .wrap{padding:0 18px}
  .g-4,.g-3,.g-2,.sol,.metrics{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .perimeter .inner,.geo .inner,.cta-final{padding:28px}
  .card{padding:24px;border-radius:24px}
  .hero h1{font-size:34px}
  .radar-stage{max-width:240px}
  .foot{grid-template-columns:1fr;gap:24px}
  .foot a{padding:8px 0;min-height:44px;display:flex;align-items:center;margin-bottom:2px}
  .foot .brand,.foot .desc{display:block;min-height:0;padding:0}
  .foot-bottom a{padding:6px 0;display:inline-flex;align-items:center}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  /* compare: show one column at a time on mobile */
  .cmp.show-new .cmp-old,.cmp.show-old .cmp-new{display:none}
  .cmp.show-new .cmp-row,.cmp.show-old .cmp-row{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none;transition:none}
}


/* ============================================================
   INTERNAL PAGE COMPONENTS (общие для внутренних страниц)
   ============================================================ */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:var(--ink-3);padding:22px 0 0}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--scan-ink)}
.crumbs span.sep{opacity:.5}
.crumbs .cur{color:var(--ink-2);font-weight:500}

.page-hero{padding:30px 0 8px}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.03em;max-width:20ch}
.page-hero .lead{margin-top:18px;font-size:clamp(16px,1.7vw,20px);color:var(--ink-2);max-width:60ch}
.page-hero .hero-cta{margin-top:28px}

.section-head{max-width:62ch;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,38px);letter-spacing:-.02em}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:17px}

/* боли объекта */
.pains{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pain{padding:26px}
.pain .pi{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;
  background:linear-gradient(180deg,rgba(255,176,32,.16),rgba(255,176,32,.06));border:1px solid rgba(255,176,32,.3)}
.pain .pi svg{width:22px;height:22px;color:var(--amber-deep)}
.pain h3{font-size:17px;margin-bottom:8px}
.pain p{font-size:14.5px;color:var(--ink-2)}

/* как решаем (solutions list) */
.solve{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.solve-item{display:flex;gap:16px;padding:24px}
.solve-item .si{flex:none;width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,rgba(34,176,238,.18),rgba(34,176,238,.07));border:1px solid rgba(34,176,238,.3)}
.solve-item .si svg{width:24px;height:24px;color:var(--scan-deep)}
.solve-item h3{font-size:17px;margin-bottom:6px}
.solve-item p{font-size:14.5px;color:var(--ink-2)}

/* что входит */
.includes{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 30px}
.inc{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink-2);padding:6px 0}
.inc .ck{flex:none;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(34,176,238,.16);color:var(--scan-deep)}
.inc .ck svg{width:14px;height:14px}

/* мини-кейс */
.minicase{padding:36px;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center}
.minicase .case-loc{font-size:13px;color:var(--scan-ink);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}
.minicase h3{font-size:22px;margin-bottom:14px}
.minicase p{color:var(--ink-2);font-size:15.5px;margin-bottom:10px}
.minicase .mc-res{font-weight:600;color:var(--scan-ink);font-size:16px}
.minicase .mc-num{text-align:center}
.minicase .mc-num .n{font-family:var(--ff-mono);font-weight:600;font-size:clamp(40px,6vw,60px);letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--scan-deep),#0E63A8);-webkit-background-clip:text;background-clip:text;color:transparent}
.minicase .mc-num .c{color:var(--ink-3);font-size:14px;margin-top:6px}

/* related / соседние страницы */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related a{padding:22px;display:flex;flex-direction:column;gap:8px}
.related a h3{font-size:16px}
.related a p{font-size:14px;color:var(--ink-3)}
.related a .arr{margin-top:auto;color:var(--scan-ink);font-weight:600;font-size:14px}

/* compact lead form on internal pages */
.lead-band{padding:46px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.lead-band h2{font-size:clamp(24px,3vw,38px)}
.lead-band p{margin-top:14px;color:var(--ink-2);font-size:16.5px}

@media (max-width:1000px){
  .pains{grid-template-columns:repeat(2,1fr)}
  .includes{grid-template-columns:1fr}
  .related{grid-template-columns:repeat(2,1fr)}
  .minicase,.lead-band{grid-template-columns:1fr;gap:26px}
}
@media (max-width:560px){
  .pains,.solve,.includes,.related{grid-template-columns:1fr}
  .minicase,.lead-band{padding:28px}
}

/* media banner на внутренних страницах */
.page-media{position:relative;margin:10px 0 0;border-radius:var(--r);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--sh-md);aspect-ratio:16/9;background:var(--glass)}
.page-media img{width:100%;height:100%;object-fit:cover;display:block}
.page-media figcaption{position:absolute;left:18px;bottom:14px;color:#fff;font-size:14px;font-weight:600;padding:7px 14px;border-radius:var(--r-pill);background:rgba(14,17,22,.4);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
@media (max-width:560px){.page-media{aspect-ratio:4/3}}

/* липкий мобильный CTA (там, где кнопка в шапке скрыта) */
.sticky-cta{display:none}
@media (max-width:1100px){
  .sticky-cta{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:48;gap:10px;padding:10px;
    border-radius:var(--r-pill);background:var(--glass-strong);
    -webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);
    border:1px solid var(--glass-line);box-shadow:var(--sh-lg)}
  .sticky-cta a{flex:1;justify-content:center;padding:13px 10px;white-space:nowrap}
  body{padding-bottom:80px}
}
@media (prefers-reduced-motion:reduce){ .sticky-cta{transition:none} }

/* полноразмерный баннер (инфографика/композиция), показываем целиком, без 16:9-кропа */
.page-media.full{aspect-ratio:3/2;background:transparent;border-color:var(--line)}
.page-media.full img{height:auto;object-fit:contain}
@media (max-width:560px){ .page-media.full{aspect-ratio:3/2} }

/* партнёры / бренды оборудования и ПО */
.partners{display:flex;flex-wrap:wrap;gap:16px 30px;align-items:center;justify-content:center}
.partners span{font-family:var(--ff-disp);font-weight:700;font-size:clamp(17px,2vw,22px);color:var(--ink-3);letter-spacing:-.01em;opacity:.7;transition:opacity .25s,color .25s}
.partners span:hover{opacity:1;color:var(--ink)}


/* ревью-фиксы: адаптив калькулятора /ceny/, skip-link */
@media (max-width:1100px){ .calc .g-2{grid-template-columns:1fr} }
@media (max-width:560px){ .glass.calc{padding:22px!important} .glass.calc .calc-out{padding:20px!important} }
.skip-link{position:absolute;left:-9999px;top:0;z-index:100}
.skip-link:focus,.skip-link:focus-visible{left:12px;top:12px;padding:12px 18px;background:#fff;border-radius:14px;box-shadow:var(--sh-md);outline:3px solid rgba(34,176,238,.55)}

/* макет телефона в героe: приложение камер */
.phone-stage{position:relative;width:100%;max-width:320px;margin:0 auto;padding:8px 0}
.phone{position:relative;margin:0 auto;width:min(250px,74%);aspect-ratio:9/18.6;border-radius:42px;padding:9px;
  background:linear-gradient(155deg,#1a2c46,#0a1524 62%);
  box-shadow:var(--sh-lg), inset 0 0 0 1px rgba(255,255,255,.05), 0 34px 60px -26px rgba(32,129,213,.4);
  border:1px solid rgba(255,255,255,.07)}
.phone-island{position:absolute;top:15px;left:50%;transform:translateX(-50%);width:66px;height:18px;border-radius:12px;background:#05080d;z-index:3}
.phone-scr{position:relative;height:100%;border-radius:33px;overflow:hidden;background:linear-gradient(180deg,#0f1b2c,#0a1420);display:flex;flex-direction:column;padding:15px 11px 12px}
.scr-status{display:flex;justify-content:space-between;align-items:center;color:#e8f1fa;font-size:11px;font-weight:600;font-family:var(--ff-mono);margin-bottom:12px;padding:0 3px}
.scr-icons{width:34px;height:11px;border-radius:3px;background:linear-gradient(90deg,#e8f1fa 62%,rgba(232,241,250,.3) 62%)}
.scr-title{color:#eef5fc;font-family:var(--ff-disp);font-weight:700;font-size:16px;display:flex;flex-direction:column;gap:3px;margin:0 3px 11px}
.scr-sub{font-size:11px;font-weight:500;color:#8fb2cf;font-family:var(--ff);display:inline-flex;align-items:center;gap:6px}
.scr-live{width:7px;height:7px;border-radius:50%;background:#ff4d4d;box-shadow:0 0 0 3px rgba(255,77,77,.2);animation:pulse 2s ease-in-out infinite}
.scr-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;flex:1;min-height:0}
.cam{position:relative;border-radius:13px;overflow:hidden;border:1px solid rgba(255,255,255,.06);
  background:linear-gradient(180deg,#274a6e 0%,#173250 46%,#0e2035 47%,#0a1826 100%)}
.cam.dusk{background:linear-gradient(180deg,#3a3a5c 0%,#28304e 46%,#141a30 47%,#0c1020 100%)}
.cam.night{background:linear-gradient(180deg,#0f2036 0%,#0b1728 46%,#081221 47%,#060d18 100%)}
.cam-scene{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.cam::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 4px,rgba(255,255,255,.03) 4px 5px);pointer-events:none;z-index:1}
.cam::after{content:"";position:absolute;inset:0;box-shadow:inset 0 -16px 22px -12px rgba(0,0,0,.55);pointer-events:none;z-index:1}
.cam-live{position:absolute;top:5px;left:5px;font-family:var(--ff-mono);font-size:7px;font-weight:600;color:#fff;letter-spacing:.04em;
  padding:2px 5px;border-radius:5px;background:rgba(255,77,77,.85);z-index:2;display:inline-flex;align-items:center;gap:3px}
.cam-live::before{content:"";width:4px;height:4px;border-radius:50%;background:#fff}
.cam-name{position:absolute;left:6px;bottom:5px;font-size:9px;color:#dbe9f6;font-weight:500;z-index:2;text-shadow:0 1px 3px rgba(0,0,0,.6)}
.cam-t{position:absolute;right:6px;bottom:5px;font-size:8px;color:#a9cbe6;font-family:var(--ff-mono);z-index:2}
.cam-det{position:absolute;left:33%;top:32%;width:20px;height:34px;border:1.5px solid var(--scan);border-radius:3px;z-index:2;box-shadow:0 0 8px rgba(34,176,238,.5);animation:detpulse 2.4s ease-in-out infinite}
@keyframes detpulse{50%{border-color:#fff;box-shadow:0 0 10px rgba(255,255,255,.5)}}
.scr-note{margin-top:8px;display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:14px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.09)}
.note-ic{width:30px;height:30px;flex:none;border-radius:9px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#2081D5,#1774CC);color:#fff}
.note-ic svg{width:16px;height:16px}
.note-txt b{display:block;color:#eef5fc;font-size:11.5px}
.note-txt span{color:#8fb2cf;font-size:10px}
.phone-home{position:absolute;bottom:7px;left:50%;transform:translateX(-50%);width:96px;height:4px;border-radius:4px;background:rgba(255,255,255,.4);z-index:3}
@media (max-width:560px){ .phone{width:min(210px,64%)} }

/* SVG-сцены в баннерах внутренних страниц */
.page-media.scene{background:#0d1c2e}
.page-media .scene-svg{width:100%;height:100%;display:block}