/* ==========================================================================
   AIR RADAR — air-radar.ru
   Оформление: милитари, хаки + чёрный. Без внешних ресурсов и шрифтов.
   ========================================================================== */

:root{
  /* палитра */
  --c-bg:        #0a0b08;
  --c-bg-2:      #0d0f0a;
  --c-panel:     #12150e;
  --c-panel-2:   #171b12;
  --c-line:      #2a301f;
  --c-line-2:    #3c4529;
  --c-khaki:     #c3caa0;
  --c-olive:     #8b9556;
  --c-olive-d:   #5f6a3a;
  --c-text:      #d8dbc9;
  --c-muted:     #969a80;
  --c-dim:       #6d7160;
  --c-amber:     #d7a94a;

  /* типографика */
  --f-display: "Bahnschrift Condensed","Bahnschrift","Arial Narrow","Roboto Condensed",
               system-ui,"Segoe UI",sans-serif;
  --f-body: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --f-mono: "Consolas","JetBrains Mono","SF Mono",ui-monospace,"Cascadia Mono",monospace;

  --container: 1240px;
  --radius: 2px;
  --header-h: 74px;

  --ease: cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font:400 17px/1.65 var(--f-body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* сетка-миллиметровка на фоне */
body::before{
  content:"";
  position:fixed;inset:0;
  background-image:
    linear-gradient(to right, rgba(139,149,86,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(139,149,86,.05) 1px, transparent 1px);
  background-size:56px 56px, 56px 56px;
  pointer-events:none;
  z-index:0;
}

main{position:relative;z-index:1}

img{max-width:100%;height:auto;display:block}
a{color:var(--c-khaki);text-decoration:none}
a:hover{color:#e6ead2}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-family:var(--f-display);font-weight:700;line-height:1.02;letter-spacing:.01em}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin:.35em 0}
::selection{background:var(--c-olive);color:#0a0b08}

:focus-visible{outline:2px solid var(--c-khaki);outline-offset:3px}

.wrap{max-width:var(--container);margin-inline:auto;padding-inline:28px}

.skip{
  position:absolute;left:-9999px;top:0;background:var(--c-khaki);color:#0a0b08;
  padding:10px 16px;z-index:100;font:600 14px var(--f-body)
}
.skip:focus{left:12px;top:12px}

/* ---------------------------------------------------------------- шапка */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,11,8,.86);
  backdrop-filter:blur(12px) saturate(120%);
  border-bottom:1px solid var(--c-line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-olive-d) 20%,transparent 55%,transparent);
  opacity:.8
}
.header-in{
  min-height:var(--header-h);display:flex;align-items:center;gap:26px;
  max-width:var(--container);margin-inline:auto;padding-inline:28px
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand img{width:42px;height:auto}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-name{
  font-family:var(--f-display);font-size:21px;font-weight:700;letter-spacing:.16em;
  color:#e9ecd8;text-transform:uppercase
}
.brand-sub{
  font-family:var(--f-mono);font-size:9.5px;letter-spacing:.34em;color:var(--c-olive);
  text-transform:uppercase;margin-top:5px
}

.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  font:600 12px/1 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--c-muted);padding:12px 14px;border:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease)
}
.nav a:hover{color:var(--c-khaki);border-color:var(--c-line)}
.nav a[aria-current="page"]{color:#0a0b08;background:var(--c-olive);border-color:var(--c-olive)}
.nav a.cta{
  color:var(--c-khaki);border-color:var(--c-line-2);margin-left:10px;
  background:rgba(139,149,86,.08)
}
.nav a.cta:hover{background:var(--c-olive);color:#0a0b08;border-color:var(--c-olive)}

.burger{display:none;margin-left:auto;background:none;border:1px solid var(--c-line-2);
  color:var(--c-khaki);width:44px;height:40px;font:0/0 a;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:currentColor}
.burger span:nth-child(1){top:13px}
.burger span:nth-child(2){top:19px}
.burger span:nth-child(3){bottom:13px}

/* ---------------------------------------------------------------- служебные */
.eyebrow{
  font:600 11px/1 var(--f-mono);letter-spacing:.3em;text-transform:uppercase;
  color:var(--c-olive);display:flex;align-items:center;gap:12px;margin:0 0 18px
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--c-olive);flex:0 0 auto}
.eyebrow .idx{color:var(--c-dim)}

.hazard{
  height:7px;width:100%;
  background:repeating-linear-gradient(135deg,var(--c-olive-d) 0 10px,transparent 10px 20px);
  opacity:.55
}

.section{padding-block:88px;position:relative;border-top:1px solid var(--c-line)}
.section:first-of-type{border-top:0}
.section-head{max-width:820px;margin-bottom:44px}
.section-head h2{font-size:clamp(30px,3.4vw,46px);text-transform:uppercase;letter-spacing:.02em}
.section-head h2 em{font-style:normal;color:var(--c-olive)}
.section-head .lead{margin-top:16px;color:var(--c-muted);font-size:17.5px;max-width:66ch}

.mono{font-family:var(--f-mono)}
.hint{color:var(--c-dim);font-size:14px}

/* угловые метки «прицела» */
.brackets{position:relative}
.brackets::before,.brackets::after{
  content:"";position:absolute;width:14px;height:14px;border:1px solid var(--c-olive);
  opacity:.65;pointer-events:none
}
.brackets::before{left:-1px;top:-1px;border-right:0;border-bottom:0}
.brackets::after{right:-1px;bottom:-1px;border-left:0;border-top:0}

/* ---------------------------------------------------------------- герой */
.hero{position:relative;overflow:hidden;padding-block:74px 84px}
.hero::before{
  content:"";position:absolute;right:-12%;top:-18%;width:62vw;height:62vw;border-radius:50%;
  background:radial-gradient(circle,rgba(139,149,86,.14),transparent 62%);
  pointer-events:none
}
.hero-in{
  display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;
  max-width:var(--container);margin-inline:auto;padding-inline:28px;position:relative
}
.hero h1{
  font-size:clamp(58px,8.2vw,116px);line-height:.86;letter-spacing:.01em;
  text-transform:uppercase;margin:0 0 8px;color:#eef0df
}
.hero h1 span{display:block;color:var(--c-olive)}
.hero-tag{
  font:600 12px/1 var(--f-mono);letter-spacing:.28em;text-transform:uppercase;
  color:var(--c-muted);margin:0 0 26px
}
.hero-lead{font-size:18.5px;line-height:1.62;color:#c9cdb6;max-width:52ch;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:42px}

.btn{
  display:inline-flex;align-items:center;gap:11px;
  font:600 12.5px/1 var(--f-mono);letter-spacing:.19em;text-transform:uppercase;
  padding:16px 22px;border:1px solid var(--c-olive);color:#0a0b08;background:var(--c-olive);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  cursor:pointer
}
.btn svg{width:15px;height:15px;flex:0 0 auto}
.btn:hover{background:#c3caa0;border-color:#c3caa0;color:#0a0b08}
.btn.ghost{background:transparent;color:var(--c-khaki);border-color:var(--c-line-2)}
.btn.ghost:hover{border-color:var(--c-olive);color:#e9ecd8;background:rgba(139,149,86,.1)}

/* строка ключевых цифр */
.spec-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line)
}
.spec-strip div{padding:16px 18px 15px;border-left:1px solid var(--c-line)}
.spec-strip div:first-child{border-left:0;padding-left:0}
.spec-strip b{
  display:block;font-family:var(--f-display);font-size:26px;letter-spacing:.02em;
  color:#e3e7cf;line-height:1;margin-bottom:7px
}
.spec-strip span{
  font:600 9.5px/1.35 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--c-dim)
}

/* фото в герое */
.hero-figure{position:relative}
.hero-figure .frame{position:relative;border:1px solid var(--c-line-2);background:var(--c-panel)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(.92) contrast(1.02)}
.hero-figure .scan{
  position:absolute;inset:0;overflow:hidden;pointer-events:none;
  background:linear-gradient(to bottom,transparent 0%,rgba(139,149,86,.16) 48%,rgba(195,202,160,.55) 50%,rgba(139,149,86,.16) 52%,transparent 100%);
  background-size:100% 220%;background-position:0 -60%;
  animation:scan 7s linear infinite;mix-blend-mode:screen;opacity:.55
}
@keyframes scan{0%{background-position:0 -60%}100%{background-position:0 160%}}
.hero-figure .tag{
  position:absolute;left:0;bottom:-1px;background:var(--c-bg);
  border:1px solid var(--c-line-2);border-left:0;border-bottom:0;
  font:600 10px/1 var(--f-mono);letter-spacing:.24em;text-transform:uppercase;
  color:var(--c-olive);padding:10px 14px
}
.fig-note{
  margin-top:14px;font:400 12px/1.5 var(--f-mono);color:var(--c-dim);letter-spacing:.04em;
  display:flex;gap:10px;align-items:flex-start
}
.fig-note::before{content:"▸";color:var(--c-olive);flex:0 0 auto}

/* ---------------------------------------------------------------- карточки */
.grid{display:grid;gap:18px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}

.card{
  position:relative;background:var(--c-panel);border:1px solid var(--c-line);padding:26px 24px 24px;
  transition:border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease)
}
.card:hover{border-color:var(--c-line-2);background:var(--c-panel-2)}
.card h3{font-size:19px;text-transform:uppercase;letter-spacing:.045em;margin:0 0 10px;color:#e3e7cf}
.card p{color:var(--c-muted);font-size:15.5px;margin:0}
.card .ico{width:30px;height:30px;margin-bottom:18px;color:var(--c-olive)}
.card .ico svg{width:30px;height:30px;stroke:currentColor;fill:none;stroke-width:1.35;
  stroke-linecap:round;stroke-linejoin:round}
.card .num{
  position:absolute;right:16px;top:14px;font:600 11px/1 var(--f-mono);color:var(--c-line-2);
  letter-spacing:.1em
}

/* ---------------------------------------------------------------- таблицы */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);background:var(--c-panel)}
table.spec{width:100%;border-collapse:collapse;font-size:15.5px;min-width:460px}
table.spec th,table.spec td{padding:13px 18px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--c-line)}
table.spec tr:last-child th,table.spec tr:last-child td{border-bottom:0}
table.spec th{
  width:34%;font:600 10.5px/1.4 var(--f-mono);letter-spacing:.17em;text-transform:uppercase;
  color:var(--c-muted);font-weight:600
}
table.spec td{color:#dfe2cf}
table.spec tr:hover td,table.spec tr:hover th{background:rgba(139,149,86,.045)}

/* ---------------------------------------------------------------- экран радара */
.screen-block{display:grid;grid-template-columns:minmax(280px,420px) 1fr;gap:56px;align-items:start}
.shot-radar{
  position:relative;border:1px solid var(--c-line-2);background:#070906;padding:10px;
}
.shot-radar img{width:100%;image-rendering:auto}
.shot-radar::after{
  content:"";position:absolute;inset:10px;border-radius:50%;
  box-shadow:0 0 60px rgba(63,143,86,.13) inset;pointer-events:none
}
.legend{list-style:none;margin:0;padding:0;display:grid;gap:0}
.legend li{
  display:grid;grid-template-columns:26px 1fr;gap:14px;padding:13px 0;
  border-bottom:1px dashed var(--c-line);font-size:15.5px;color:var(--c-muted);margin:0
}
.legend li:last-child{border-bottom:0}
.legend b{color:#e3e7cf;font-weight:600}
.legend .k{
  font:600 11px/1 var(--f-mono);letter-spacing:.1em;color:var(--c-olive);
  border:1px solid var(--c-line-2);display:grid;place-items:center;height:22px;margin-top:2px
}

/* ---------------------------------------------------------------- режимы */
.mode{background:var(--c-panel);border:1px solid var(--c-line);display:flex;flex-direction:column}
.mode .shot{
  background:#070906;padding:18px;display:grid;place-items:center;border-bottom:1px solid var(--c-line)
}
.mode .shot img{width:100%;max-width:230px}
.mode .body{padding:20px 22px 24px}
.mode .code{
  font:600 10.5px/1 var(--f-mono);letter-spacing:.24em;color:var(--c-olive);
  text-transform:uppercase;margin-bottom:10px
}
.mode h3{font-size:22px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}
.mode p{color:var(--c-muted);font-size:15.5px;margin:0}

/* ---------------------------------------------------------------- фото-полоса */
.photo-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ph{position:relative;overflow:hidden;border:1px solid var(--c-line);background:var(--c-panel);display:block}
.ph img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s var(--ease),filter .3s}
.ph:hover img{transform:scale(1.045);filter:brightness(1.06)}
.ph .cap{
  position:absolute;left:0;bottom:0;right:0;padding:26px 12px 9px;
  font:600 9.5px/1.3 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:#cfd4b8;
  background:linear-gradient(to top,rgba(6,7,5,.92),transparent)
}

/* ---------------------------------------------------------------- инструкция */
.manual-cta{
  display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  background:
    radial-gradient(circle at 88% 20%,rgba(139,149,86,.16),transparent 55%),
    var(--c-panel);
  border:1px solid var(--c-line-2);padding:44px 46px;position:relative
}
.manual-cta h2{font-size:clamp(26px,3vw,38px);text-transform:uppercase;margin-bottom:12px}
.manual-cta p{color:var(--c-muted);margin:0;max-width:58ch}
.manual-stats{display:flex;gap:34px;margin-top:26px}
.manual-stats b{display:block;font-family:var(--f-display);font-size:32px;color:var(--c-khaki);line-height:1}
.manual-stats span{font:600 9.5px/1.3 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--c-dim)}

/* ---------------------------------------------------------------- список глав */
.chapters{list-style:none;margin:0;padding:0;columns:2;column-gap:44px}
.chapters li{
  break-inside:avoid;margin:0 0 2px;padding:11px 0;border-bottom:1px solid var(--c-line);
  display:flex;gap:14px;align-items:baseline;font-size:15.5px
}
.chapters .n{font:600 11px/1 var(--f-mono);color:var(--c-olive);flex:0 0 22px}
.chapters a{color:#dfe2cf}
.chapters a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ---------------------------------------------------------------- нижний блок ссылок */
.next-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.next-link{
  display:flex;flex-direction:column;justify-content:space-between;gap:40px;
  border:1px solid var(--c-line);background:var(--c-panel);padding:26px 24px;min-height:158px;
  transition:border-color .2s,background .2s
}
.next-link:hover{border-color:var(--c-olive);background:var(--c-panel-2)}
.next-link .code{font:600 10px/1 var(--f-mono);letter-spacing:.24em;color:var(--c-dim);
  text-transform:uppercase}
.next-link b{font-family:var(--f-display);font-size:24px;text-transform:uppercase;color:#e9ecd8;
  letter-spacing:.03em;display:flex;align-items:center;gap:12px}
.next-link b::after{content:"→";color:var(--c-olive);font-family:var(--f-body);font-weight:400}

/* ---------------------------------------------------------------- подвал */
.site-footer{border-top:1px solid var(--c-line);background:var(--c-bg-2);position:relative;z-index:1}
.footer-in{
  max-width:var(--container);margin-inline:auto;padding:52px 28px 30px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px
}
.site-footer .brand-name{font-size:19px}
.site-footer p{color:var(--c-dim);font-size:14px;max-width:36ch;margin:16px 0 0}
.site-footer h4{
  font:600 10px/1 var(--f-mono);letter-spacing:.24em;text-transform:uppercase;
  color:var(--c-muted);margin-bottom:16px
}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:0}
.site-footer li a{display:inline-block;padding:5px 0;color:var(--c-muted);font-size:14.5px}
.site-footer li a:hover{color:var(--c-khaki)}
.footer-bottom{
  border-top:1px solid var(--c-line);max-width:var(--container);margin-inline:auto;
  padding:18px 28px 26px;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font:400 12px/1.5 var(--f-mono);color:var(--c-dim);letter-spacing:.04em
}

/* ---------------------------------------------------------------- галерея */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery-grid a{
  position:relative;display:block;border:1px solid var(--c-line);background:var(--c-panel);
  overflow:hidden;cursor:zoom-in
}
.gallery-grid img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .7s var(--ease),filter .3s
}
.gallery-grid a:hover img{transform:scale(1.04);filter:brightness(1.05)}
.gallery-grid .cap{
  position:absolute;inset:auto 0 0 0;padding:30px 14px 11px;display:flex;justify-content:space-between;
  gap:10px;font:600 10px/1.3 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;
  color:#d5d9c0;background:linear-gradient(to top,rgba(6,7,5,.94),transparent)
}
.gallery-grid .cap i{font-style:normal;color:var(--c-olive)}
.gallery-grid .wide{grid-column:span 2}
.gallery-grid .wide img{aspect-ratio:8.15/3}

/* лайтбокс */
.lightbox{
  position:fixed;inset:0;z-index:120;background:rgba(6,7,5,.96);
  display:none;place-items:center;padding:4vmin
}
.lightbox.open{display:grid}
.lightbox img{max-width:94vw;max-height:84vh;object-fit:contain;border:1px solid var(--c-line-2)}
.lightbox .lb-bar{
  position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;
  align-items:center;gap:20px;padding:14px 22px;border-top:1px solid var(--c-line);
  background:rgba(10,11,8,.92);font:600 10.5px/1 var(--f-mono);letter-spacing:.18em;
  text-transform:uppercase;color:var(--c-muted)
}
.lightbox button{
  background:none;border:1px solid var(--c-line-2);color:var(--c-khaki);
  width:40px;height:36px;cursor:pointer;font:600 15px var(--f-mono)
}
.lightbox button:hover{border-color:var(--c-olive);color:#fff}
.lightbox .lb-nav{display:flex;gap:8px}
.lb-cap{color:#cfd4b8;text-align:center;flex:1}

/* ---------------------------------------------------------------- страница «Устройство» */
.device-hero{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.device-hero .shot{
  position:relative;background:
    radial-gradient(circle at 50% 55%,rgba(139,149,86,.18),transparent 62%),#070906;
  border:1px solid var(--c-line);padding:24px
}
.device-hero .shot img{width:100%;filter:drop-shadow(0 24px 40px rgba(0,0,0,.6))}
.device-hero .shot picture{display:block;width:100%}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--c-line)}
.step{padding:26px 24px;border-left:1px solid var(--c-line);position:relative}
.step:first-child{border-left:0}
.step .n{
  font-family:var(--f-display);font-size:44px;color:var(--c-line-2);line-height:1;
  margin-bottom:14px;display:block
}
.step h3{font-size:17px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.step p{color:var(--c-muted);font-size:15px;margin:0}

/* список 15 настроек */
.settings{display:grid;grid-template-columns:repeat(3,1fr);gap:0 34px;list-style:none;margin:0;padding:0}
.settings li{
  display:flex;gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--c-line);
  font-size:15px;color:var(--c-muted);margin:0
}
.settings li b{color:#dfe2cf;font-weight:600}
.settings li .n{font:600 10.5px/1 var(--f-mono);color:var(--c-olive);flex:0 0 18px}

/* предупреждения */
.warn{
  border:1px solid var(--c-line-2);border-left:3px solid var(--c-amber);
  background:linear-gradient(90deg,rgba(215,169,74,.07),transparent 60%);
  padding:16px 20px;font-size:15px;color:#cfd3bb
}
.warn b{color:#e7d9b0}
.warn-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.warn-list li{display:grid;grid-template-columns:20px 1fr;gap:12px;margin:0}
.warn-list li::before{content:"!";font:700 11px/20px var(--f-mono);text-align:center;
  color:var(--c-amber);border:1px solid rgba(215,169,74,.5);height:20px;margin-top:2px}

/* якорное оглавление на странице «Устройство» */
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px}
.toc a{
  font:600 10.5px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--c-line);padding:10px 12px;color:var(--c-muted)
}
.toc a:hover{border-color:var(--c-olive);color:var(--c-khaki)}

/* ---------------------------------------------------------------- адаптив */
@media (max-width:1080px){
  .grid.c4{grid-template-columns:repeat(2,1fr)}
  .settings{grid-template-columns:repeat(2,1fr)}
  .photo-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:940px){
  .hero-in{grid-template-columns:1fr;gap:44px}
  .hero-figure{order:-1}
  .grid.c3{grid-template-columns:1fr}
  .screen-block{grid-template-columns:1fr;gap:34px}
  .device-hero{grid-template-columns:1fr;gap:32px}
  .device-hero .shot{order:-1}
  .footer-in{grid-template-columns:1fr 1fr}
  .manual-cta{grid-template-columns:1fr;padding:32px 26px}
  .next-links{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{border-left:0;border-top:1px solid var(--c-line)}
  .step:first-child{border-top:0}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid .wide{grid-column:span 2}
  .chapters{columns:1}
}
@media (max-width:760px){
  :root{--header-h:64px}
  .wrap,.header-in,.hero-in,.footer-in,.footer-bottom{padding-inline:18px}
  .section{padding-block:60px}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;background:rgba(10,11,8,.98);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 18px 22px;
    border-bottom:1px solid var(--c-line);display:none
  }
  .nav.open{display:flex}
  .nav a{padding:16px 6px;border:0;border-bottom:1px solid var(--c-line);font-size:12.5px}
  .nav a.cta{margin:14px 0 0;border:1px solid var(--c-olive);text-align:center;justify-content:center}
  .burger{display:block}
  .hero{padding-block:44px 56px}
  .hero h1{font-size:clamp(52px,15vw,74px)}
  .spec-strip{grid-template-columns:repeat(2,1fr)}
  .spec-strip div{padding:14px 14px 13px}
  .spec-strip div:nth-child(3){border-left:0;padding-left:0}
  .spec-strip div:nth-child(-n+2){border-bottom:1px solid var(--c-line)}
  .grid.c2{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .gallery-grid .wide{grid-column:span 1}
  .gallery-grid .wide img{aspect-ratio:4/3}
  .settings{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr;gap:32px}
  .hero-figure .fig-note{display:none}
  table.spec th{width:46%}
  .manual-stats{gap:24px}
  .chapters{columns:1}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important}
}

/* печать */
@media print{
  body{background:#fff;color:#111}
  body::before,.site-header,.site-footer,.hero-actions,.scan{display:none !important}
  .section{border-color:#ccc;padding-block:18px}
  a{color:#111}
}

/* ==========================================================================
   Перестроенная навигация: плитки-разделы и документация с боковым меню
   ========================================================================== */

/* хлебные крошки и заголовок внутренней страницы */
.crumbs{display:flex;gap:10px;align-items:center;padding-top:26px;
  font:600 10.5px/1 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--c-dim)}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-khaki)}
.crumbs span[aria-hidden]{color:var(--c-line-2)}
.page-head{padding:20px 0 0;max-width:880px}
.page-head h1{font-size:clamp(44px,6vw,76px);text-transform:uppercase;margin:0 0 18px}
.page-head .lead{color:var(--c-muted);font-size:18px;line-height:1.6;max-width:64ch;margin:0}

/* плитки-разделы на главной */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--c-line);background:var(--c-panel)}
.tile{display:flex;flex-direction:column;gap:10px;padding:32px 28px 26px;min-height:270px;
  border-left:1px solid var(--c-line);transition:background .2s var(--ease)}
.tile:first-child{border-left:0}
.tile:hover{background:var(--c-panel-2)}
.tile:hover .tile-title{color:#fff}
.tile-accent{background:linear-gradient(180deg,rgba(139,149,86,.12),transparent 62%),var(--c-panel)}
.tile-num{font:600 11px/1 var(--f-mono);letter-spacing:.24em;color:var(--c-olive)}
.tile-title{font-family:var(--f-display);font-size:31px;line-height:1;text-transform:uppercase;
  letter-spacing:.03em;color:#e9ecd8;transition:color .2s}
.tile-text{color:var(--c-muted);font-size:15.5px;flex:1;margin-top:2px}
.tile-go{display:flex;gap:10px;align-items:center;margin-top:10px;
  font:600 10.5px/1 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--c-olive)}

/* документация: липкое содержание слева */
.doc-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:64px;align-items:start}
.doc-nav{position:sticky;top:96px;display:flex;flex-direction:column;
  border-top:1px solid var(--c-line);padding-top:16px}
.doc-nav-title{font:600 10px/1 var(--f-mono);letter-spacing:.24em;text-transform:uppercase;
  color:var(--c-dim);margin:0 0 12px}
.doc-nav a{display:flex;gap:12px;align-items:baseline;padding:9px 10px;margin-left:-10px;
  font-size:14.5px;color:var(--c-muted);border-left:2px solid transparent;
  transition:color .15s,border-color .15s,background .15s}
.doc-nav a span{font:600 10px/1 var(--f-mono);letter-spacing:.1em;color:var(--c-olive)}
.doc-nav a:hover{color:#eef0df;background:rgba(139,149,86,.06)}
.doc-nav a.active{color:#eef0df;border-left-color:var(--c-olive);background:rgba(139,149,86,.09)}

.doc-body>section{padding-top:46px;margin-top:46px;border-top:1px solid var(--c-line)}
.doc-body>section:first-child{padding-top:0;margin-top:0;border-top:0}
.doc-body h2{font-size:clamp(26px,3vw,38px);text-transform:uppercase;margin-bottom:14px}
.doc-body h3{font-size:20px;margin-bottom:10px}
.doc-body .lead{color:var(--c-muted);max-width:62ch;margin-bottom:22px}

@media (max-width:1080px){
  .tiles{grid-template-columns:1fr}
  .tile{border-left:0;border-top:1px solid var(--c-line);min-height:0;padding:24px 22px}
  .tile:first-child{border-top:0}
  .doc-layout{grid-template-columns:1fr;gap:26px}
  .doc-nav{position:static;flex-direction:row;overflow-x:auto;gap:6px;
    border-top:0;padding:0 0 8px;scrollbar-width:thin}
  .doc-nav-title{display:none}
  .doc-nav a{margin:0;border:1px solid var(--c-line);white-space:nowrap;padding:10px 12px}
  .doc-nav a.active{border-color:var(--c-olive)}
}
@media (max-width:760px){
  .page-head{padding-top:10px}
  .crumbs{padding-top:18px}
}

/* отступ при переходе по якорю, чтобы заголовок не прятался под шапкой */
.doc-body>section{scroll-margin-top:96px}
@media (max-width:760px){.doc-body>section{scroll-margin-top:84px}}


/* одинаковые по высоте рамки экранов в карточках */
.card .screen-box{aspect-ratio:16/10;background:#070906;border-bottom:1px solid var(--c-line);
  display:grid;place-items:center;padding:18px;overflow:hidden;min-height:0}
.card .screen-box img{width:100%;height:100%;object-fit:contain}



/* ==========================================================================
   Заглавное фото: «неустойчивая связь» — развёртка, помехи, срывы кадра
   ========================================================================== */
.radar-frame{position:relative;overflow:hidden;background:#070906}
.radar-frame .radar-base{position:relative;z-index:1;
  animation:rf-flicker 11s steps(1,end) infinite}

/* смещённые копии кадра — «двоение» при срыве сигнала */
.radar-ghost{position:absolute;inset:0;z-index:2;width:100%;height:100%;
  object-fit:cover;opacity:0;pointer-events:none;mix-blend-mode:normal}
.ghost-a{animation:rf-tear 11s steps(1,end) infinite;
  filter:brightness(1.12) saturate(1.2) contrast(1.06)}
.ghost-b{animation:rf-tear 11s steps(1,end) infinite;animation-delay:6.3s;
  filter:hue-rotate(150deg) saturate(.3) brightness(1.06)}

/* строчная развёртка */
.radar-lines{position:absolute;inset:0;z-index:3;pointer-events:none;opacity:.34;
  background:repeating-linear-gradient(to bottom,
    rgba(4,6,3,.55) 0 1px, transparent 1px 3px)}

/* бегущая полоса «обновления» */
.radar-sweep{position:absolute;left:0;right:0;top:-140px;height:140px;z-index:4;
  pointer-events:none;opacity:.75;mix-blend-mode:screen;
  background:linear-gradient(to bottom, transparent,
    rgba(163,177,120,.08) 42%, rgba(206,232,168,.22) 50%,
    rgba(163,177,120,.08) 58%, transparent);
  animation:rf-sweep 7s linear infinite}

/* помехи */
.radar-noise{position:absolute;inset:0;z-index:5;pointer-events:none;opacity:0;
  mix-blend-mode:overlay;background-size:140px 140px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
  animation:rf-noise 11s steps(1,end) infinite}

/* мягкая виньетка, как у ЭЛТ */
.radar-vignette{position:absolute;inset:0;z-index:6;pointer-events:none;
  box-shadow:inset 0 0 90px rgba(0,0,0,.55), inset 0 0 18px rgba(0,0,0,.35)}

/* индикатор в подписи */
.radar-frame .tag{display:flex;align-items:center;gap:9px;z-index:7}
.radar-frame .tag .dot{width:6px;height:6px;flex:0 0 auto;border-radius:50%;
  background:var(--c-amber);box-shadow:0 0 8px rgba(215,169,74,.9);
  animation:rf-dot 3.4s steps(1,end) infinite}

@keyframes rf-flicker{
  0%,87%,100%{opacity:1}
  87.4%{opacity:.78}
  87.8%{opacity:1}
  88.4%{opacity:.86}
  88.9%{opacity:1}
  89.6%{opacity:.94}
  90%{opacity:1}
}
@keyframes rf-tear{
  0%,86%,100%{opacity:0;transform:translate(0,0);clip-path:inset(0 0 0 0)}
  86.6%{opacity:1;transform:translate(-10px,0);clip-path:inset(12% 0 68% 0)}
  87.1%{opacity:1;transform:translate(11px,0);clip-path:inset(44% 0 36% 0)}
  87.6%{opacity:1;transform:translate(-6px,0);clip-path:inset(70% 0 10% 0)}
  88.1%{opacity:1;transform:translate(7px,0);clip-path:inset(28% 0 54% 0)}
  88.6%{opacity:0;transform:translate(0,0)}
}
@keyframes rf-sweep{
  0%{top:-140px}
  100%{top:100%}
}
@keyframes rf-noise{
  0%,84%,100%{opacity:0}
  84.4%{opacity:.20}
  85.2%{opacity:.08}
  85.8%{opacity:.26}
  86.4%{opacity:.1}
  87%{opacity:0}
}
@keyframes rf-dot{
  0%,68%,100%{opacity:1}
  70%,84%{opacity:.12}
  86%{opacity:1}
}

@media (max-width:760px){
  .radar-lines{opacity:.26}
  .radar-noise{background-size:100px 100px}
}



/* ==========================================================================
   Слайд-шоу в первом экране + «аналоговый» и «цифровой» эффекты сигнала
   ========================================================================== */
.radar-frame{aspect-ratio:4/3}
.radar-media{position:absolute;inset:0;z-index:1;
  animation:rf-flicker 11s steps(1,end) infinite, rf-drift 18s ease-in-out infinite}
.radar-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1.1s ease}
.radar-slide.is-on{opacity:1}

/* цифровой режим: цветное расщепление кадра */
.ghost-rgb{display:none;filter:url(#rgb-split)}
.radar-frame[data-fx="digital"] .ghost-rgb{display:block;animation:rf-rgb 11s steps(1,end) infinite}
.radar-frame[data-fx="digital"] .radar-roll{display:none}

/* цифровой режим: «битые блоки» */
.radar-blocks{position:absolute;inset:0;z-index:5;pointer-events:none;
  display:none;mix-blend-mode:screen}
.radar-frame[data-fx="digital"] .radar-blocks{display:block}
.radar-blocks i{position:absolute;opacity:0;background:rgba(120,255,190,.10);
  backdrop-filter:saturate(2.6) hue-rotate(75deg) contrast(1.3) brightness(1.18);
  box-shadow:0 0 0 1px rgba(150,255,205,.18) inset;
  animation:rf-block 11s steps(1,end) infinite}
.radar-blocks i:nth-child(1){left:8%;top:16%;width:26%;height:5%}
.radar-blocks i:nth-child(2){left:56%;top:27%;width:14%;height:9%;animation-delay:.35s}
.radar-blocks i:nth-child(3){left:30%;top:47%;width:34%;height:4%;animation-delay:.12s}
.radar-blocks i:nth-child(4){left:12%;top:63%;width:18%;height:7%;animation-delay:.5s}
.radar-blocks i:nth-child(5){left:62%;top:71%;width:24%;height:5%;animation-delay:.24s}
.radar-blocks i:nth-child(6){left:40%;top:86%;width:30%;height:6%;animation-delay:.42s}

/* редкая «потеря сигнала»: примерно раз в 47 секунд */
.radar-signal{position:absolute;left:14px;top:14px;z-index:7;pointer-events:none}
.radar-signal b{position:absolute;left:0;top:0;display:grid;gap:5px;padding:11px 14px;opacity:0;
  will-change:transform,opacity;
  white-space:nowrap;background:rgba(8,10,7,.88);
  font:600 11.5px/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase}
.radar-signal em{font-style:normal;color:var(--c-muted);font-size:9px;letter-spacing:.16em}
.sig-lost{color:var(--c-amber);border:1px solid rgba(215,169,74,.75);
  animation:rf-lost 30s linear infinite}
.sig-ok{color:#a9d47c;border:1px solid rgba(150,200,110,.7);
  animation:rf-ok 30s linear infinite}

/* переключатель эффекта — временный, для сравнения */
.fx-switch{display:flex;gap:7px;align-items:center;margin:10px 0 0;
  font:600 9.5px/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--c-dim)}
.fx-switch button{background:none;border:0;padding:0;cursor:pointer;color:var(--c-muted);
  font:inherit;letter-spacing:inherit;text-transform:inherit;border-bottom:1px dotted var(--c-line-2)}
.fx-switch button.is-on{color:var(--c-khaki);border-bottom-color:var(--c-olive)}
.fx-switch button:hover{color:#fff}
.svg-defs{position:absolute;width:0;height:0;overflow:hidden}

@keyframes rf-rgb{
  0%,64%,100%{opacity:0;transform:translateX(0)}
  64.6%{opacity:.85;transform:translateX(-3px)}
  65.2%{opacity:.7;transform:translateX(4px)}
  65.8%{opacity:.85;transform:translateX(-2px)}
  66.4%{opacity:0;transform:translateX(0)}
}
@keyframes rf-block{
  0%,29%,34%,79%,84%,100%{opacity:0}
  29.5%{opacity:.9}
  30.5%{opacity:.55}
  31.5%{opacity:.85}
  33%{opacity:0}
  79.5%{opacity:.75}
  81%{opacity:.9}
  82.5%{opacity:.4}
  83.5%{opacity:0}
}
/* 30 с: 5 с «нет сигнала», сразу за ним 3 с «восстановлен».
   Появление с ударением: выезд слева, двойное мигание, вспышка рамки. */
@keyframes rf-lost{
  0%,69.9%{opacity:0;transform:translateX(-18px);box-shadow:none}
  70%{opacity:1;transform:translateX(0)}
  70.25%{opacity:.25}
  70.5%{opacity:1}
  70.75%{opacity:.4}
  71%{opacity:1;box-shadow:0 0 0 1px rgba(215,169,74,.9), 0 0 28px rgba(215,169,74,.55)}
  72.2%{box-shadow:0 0 0 1px rgba(215,169,74,.45), 0 0 10px rgba(215,169,74,.14)}
  86.5%{opacity:1}
  86.67%,100%{opacity:0}
}
@keyframes rf-ok{
  0%,86.5%{opacity:0;transform:translateX(-18px);box-shadow:none}
  86.67%{opacity:1;transform:translateX(0)}
  86.9%{opacity:.3}
  87.15%{opacity:1}
  87.4%{opacity:.45}
  87.65%{opacity:1;box-shadow:0 0 0 1px rgba(150,200,110,.85), 0 0 26px rgba(150,200,110,.5)}
  88.8%{box-shadow:0 0 0 1px rgba(150,200,110,.4), 0 0 10px rgba(150,200,110,.12)}
  96.5%{opacity:1}
  96.67%,100%{opacity:0}
}
@keyframes rf-drift{
  0%,100%{transform:scale(1.005)}
  50%{transform:scale(1.085)}
}

  100%{transform:translate3d(0,0,0)}
}

@media (max-width:760px){
  .radar-signal{left:10px;top:10px}
  .radar-signal b{padding:9px 11px;font-size:10.5px}
}


/* цифровой режим: «битые» прямоугольные фрагменты кадра */
.ghost-blk{display:none;opacity:0}
.radar-frame[data-fx="digital"] .ghost-blk{display:block}
.b1{clip-path:inset(15% 58% 73% 5%);animation:rf-blk1 11s steps(1,end) infinite}
.b2{clip-path:inset(43% 44% 49% 20%);animation:rf-blk2 11s steps(1,end) infinite}
.b3{clip-path:inset(69% 16% 17% 47%);animation:rf-blk3 11s steps(1,end) infinite}

@keyframes rf-blk1{
  0%,28.8%,33%,100%{opacity:0;transform:translateX(0)}
  29.3%{opacity:1;transform:translateX(9px)}
  30.4%{opacity:1;transform:translateX(-6px)}
  31.8%{opacity:1;transform:translateX(5px)}
  32.7%{opacity:0}
}
@keyframes rf-blk2{
  0%,61%,65%,100%{opacity:0;transform:translate(0,0)}
  61.5%{opacity:1;transform:translate(-11px,2px)}
  62.6%{opacity:1;transform:translate(7px,-2px)}
  63.9%{opacity:1;transform:translate(-4px,0)}
  64.8%{opacity:0}
}
@keyframes rf-blk3{
  0%,79.4%,83%,100%{opacity:0;transform:translate(0,0)}
  79.9%{opacity:1;transform:translate(8px,0)}
  81.2%{opacity:1;transform:translate(-7px,0)}
  82.5%{opacity:1;transform:translate(4px,0)}
  82.9%{opacity:0}
}


/* подсветка кадра в момент появления плашки — чтобы точно заметили */
.radar-flash{position:absolute;inset:0;z-index:6;pointer-events:none;opacity:0}
.flash-lost{background:radial-gradient(circle at 10% 10%,
  rgba(215,169,74,.38), rgba(215,169,74,.09) 38%, rgba(215,169,74,0) 62%);
  animation:rf-flash-lost 30s linear infinite}
.flash-ok{background:radial-gradient(circle at 10% 10%,
  rgba(150,200,110,.34), rgba(150,200,110,.07) 38%, rgba(150,200,110,0) 62%);
  animation:rf-flash-ok 30s linear infinite}

@keyframes rf-flash-lost{
  0%,69.9%{opacity:0}
  70%{opacity:1}
  71.6%{opacity:0}
  100%{opacity:0}
}
@keyframes rf-flash-ok{
  0%,86.5%{opacity:0}
  86.67%{opacity:.85}
  88.2%{opacity:0}
  100%{opacity:0}
}


/* ==========================================================================
   Крупный логотип: шапка, бренд-блок, подвал
   ========================================================================== */
.brand img{width:48px !important;height:auto}
.brand-name{font-size:22px}

.brand-band{padding-block:76px;border-top:1px solid var(--c-line);text-align:center;
  position:relative;z-index:1;
  background:radial-gradient(circle at 50% 0%, rgba(139,149,86,.10), transparent 62%)}
.brand-band .wrap{display:flex;flex-direction:column;align-items:center}
.brand-logo{width:clamp(180px, 22vw, 260px);height:auto;margin:0 auto 22px;
  filter:drop-shadow(0 18px 40px rgba(0,0,0,.55))}
.brand-line{font:600 10.5px/1.5 var(--f-mono);letter-spacing:.28em;text-transform:uppercase;
  color:var(--c-muted);margin:0}
@media (max-width:640px){
  .brand-band{padding-block:52px}
  .brand-logo{width:min(56vw, 200px)}
  .brand-line{letter-spacing:.2em;font-size:9.5px}
}

.site-footer .brand img{width:64px !important}
.site-footer .brand-name{font-size:24px}
.site-footer .brand-sub{font-size:10px}

/* логотип в первом экране — виден сразу */
.hero-logo{display:block;width:clamp(96px, 9vw, 132px);height:auto;margin:0 0 20px;
  filter:drop-shadow(0 10px 26px rgba(0,0,0,.45))}
@media (max-width:940px){
  .hero-logo{width:104px;margin:0 auto 18px}
}

/* ==========================================================================
   Первый экран: логотип отдельной областью — виден сразу, до заголовка
   ========================================================================== */
.hero-in{
  grid-template-columns:1.02fr .98fr;
  grid-template-areas:"logo pic" "copy pic";
  align-content:center;align-items:center;row-gap:0
}
.hero-logo{grid-area:logo;justify-self:start;align-self:end;
  width:clamp(96px, 9vw, 132px);height:auto;margin:0 0 18px;
  filter:drop-shadow(0 10px 26px rgba(0,0,0,.45))}
.hero-copy{grid-area:copy;align-self:start}
.hero-figure{grid-area:pic;align-self:center}

@media (max-width:940px){
  .hero-in{grid-template-columns:1fr;grid-template-areas:"logo" "pic" "copy";
    gap:24px;align-items:stretch}
  .hero-logo{justify-self:center;width:104px;margin:0 0 6px}
  .hero-figure{order:0}
}

/* ==========================================================================
   Первый экран: логотип между заголовком и фото, заголовок по центру
   ========================================================================== */
.hero-in{
  grid-template-columns:minmax(0,1.02fr) clamp(84px, 8vw, 120px) minmax(0,.98fr);
  grid-template-areas:"copy logo pic";
  column-gap:26px;row-gap:0;align-content:center;align-items:center
}
.hero-copy{grid-area:copy;align-self:center}
.hero-figure{grid-area:pic;align-self:center}
.hero-logo{grid-area:logo;align-self:start;justify-self:center;
  width:100%;max-width:112px;height:auto;margin:72px 0 0;
  filter:drop-shadow(0 10px 26px rgba(0,0,0,.45))}
.hero h1{text-align:center}

@media (max-width:1200px){
  .hero-in{grid-template-columns:minmax(0,1.02fr) 92px minmax(0,.98fr);column-gap:18px}
  .hero-logo{max-width:88px;margin-top:60px}
}
@media (max-width:940px){
  .hero-in{grid-template-columns:1fr;grid-template-areas:"logo" "pic" "copy";gap:24px}
  .hero-logo{justify-self:center;width:104px;max-width:104px;margin:0 0 4px}
}

/* в узкой колонке первого экрана — характеристики в две колонки */
@media (max-width:1500px){
  .hero .spec-strip{grid-template-columns:repeat(2,1fr)}
  .hero .spec-strip div{border-left:0;border-top:1px solid var(--c-line);padding:14px 0 12px}
  .hero .spec-strip div:nth-child(-n+2){border-top:0}
  .hero .spec-strip div:nth-child(odd){padding-right:18px}
}

/* ==========================================================================
   Первый экран без логотипа: две колонки, подзаголовок и текст по центру
   ========================================================================== */
.hero-in{grid-template-columns:1.02fr .98fr;grid-template-areas:"copy pic";column-gap:56px}
.hero-copy{grid-area:copy;align-self:center}
.hero-figure{grid-area:pic;align-self:center}
.hero-tag{text-align:center}
.hero-lead{text-align:center;margin-inline:auto}

/* логотип в шапке крупнее — виден сразу, без отдельного блока */
.brand img{width:64px !important}
.brand-name{font-size:26px}
.brand-sub{font-size:10px;margin-top:6px}

@media (max-width:940px){
  .hero-in{grid-template-columns:1fr;grid-template-areas:"pic" "copy";gap:30px}
}
@media (max-width:760px){
  .brand img{width:46px !important}
  .brand-name{font-size:20px}
  .brand-sub{font-size:9px}
}

/* ==========================================================================
   Шапка сайта: логотип крупнее (надпись без изменений)
   ========================================================================== */
:root{--header-h:86px}
.brand img{width:72px !important}
@media (max-width:760px){
  :root{--header-h:70px}
  .brand img{width:52px !important}
}

/* ==========================================================================
   Первый экран: фотография крупнее, подпись — по её ширине
   ========================================================================== */
.hero-in{
  grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);
  column-gap:40px
}
.hero-figure{margin:0}
.fig-note{max-width:none}

@media (min-width:1100px){
  /* фото выходит чуть за поле контейнера — так оно заметно крупнее */
  .hero-figure{margin-right:-56px}
}
@media (max-width:940px){
  .hero-in{grid-template-columns:1fr;grid-template-areas:"pic" "copy";gap:26px}
  .hero-figure{margin-right:0}
}

/* ==========================================================================
   Телефон: плашки сигнала и подпись «рабочий режим» компактнее
   ========================================================================== */
@media (max-width:760px){
  .radar-signal{left:8px;top:8px}
  .radar-signal b{font-size:9px;line-height:1.1;padding:7px 9px;gap:3px;letter-spacing:.14em}
  .radar-signal em{font-size:7.5px;letter-spacing:.1em}
  .hero-figure .tag{font-size:8.5px;letter-spacing:.14em;padding:6px 9px;gap:6px}
  .hero-figure .tag .dot{width:5px;height:5px}
}


/* ==========================================================================
   Эффекты начинаются почти сразу после загрузки, ритм прежний
   ========================================================================== */
.radar-media{animation-delay:-7s, 0s}
.ghost-a{animation-delay:-6.9s}
.ghost-b{animation-delay:-1s}
.radar-noise{animation-delay:-6.7s}
.ghost-rgb{animation-delay:-5.3s}
.b1,.b2,.b3{animation-delay:-2.3s}

/* телефон: плашки ещё компактнее */
@media (max-width:760px){
  .radar-signal{left:7px;top:7px}
  .radar-signal b{font-size:8px;padding:5px 7px;gap:2px;letter-spacing:.12em}
  .radar-signal em{font-size:6.5px;letter-spacing:.08em}
  .hero-figure .tag{font-size:7.5px;letter-spacing:.12em;padding:5px 7px;gap:5px}
  .hero-figure .tag .dot{width:4px;height:4px}
}

/* телефон: возвращаем предыдущий, более читаемый размер плашек */
@media (max-width:760px){
  .radar-signal{left:8px;top:8px}
  .radar-signal b{font-size:9px;line-height:1.1;padding:7px 9px;gap:3px;letter-spacing:.14em}
  .radar-signal em{font-size:7.5px;letter-spacing:.1em}
  .hero-figure .tag{font-size:8.5px;letter-spacing:.14em;padding:6px 9px;gap:6px}
  .hero-figure .tag .dot{width:5px;height:5px}
}