:root{
  --ink:#152443; --ink2:#44536f; --mut:#7a8699; --acc:#1f5fa8; --acc-d:#174a85; --red:#c0392b;
  --bg:#f4f6fa; --card:#fff; --line:#e2e7f0; --line2:#eef1f6; --ok:#0f7b52; --okbg:#e7f6ef;
  --warn:#b45309; --warnbg:#fff8ee; --warnln:#fbd9a5; --sh:0 1px 2px rgba(21,36,67,.06);
  --sh2:0 8px 30px rgba(21,36,67,.16); --r:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-text-size-adjust:100%}
button,input,select{font:inherit;color:inherit}
a{color:var(--acc);text-decoration:none}
.wrap{max-width:1420px;margin:0 auto;padding:0 20px}
[hidden]{display:none!important}

/* ------------------------------------------------------------------ шапка */
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;gap:12px;height:56px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.01em}
.brand svg{display:block}
.brand small{display:block;font-weight:400;font-size:11.5px;color:var(--mut);letter-spacing:0}
.top__sp{flex:1}
.ib{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:38px;padding:0 13px;
  border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;color:var(--ink2);
  font-size:14px;transition:.12s}
.ib:hover{border-color:#c3cee0;color:var(--ink);background:#fbfcfe}
.ib--icon{width:38px;padding:0}
.ib .badge{background:var(--acc);color:#fff;border-radius:999px;font-size:11px;font-weight:700;
  padding:1px 6px;line-height:1.5}

/* -------------------------------------------------------------------- ввод */
.hero{padding:26px 0 8px}
.hero h1{margin:0 0 3px;font-size:26px;letter-spacing:-.02em}
.hero .sub{margin:0 0 18px;color:var(--mut);font-size:14.5px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;
  box-shadow:var(--sh)}
.form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.fld{display:flex;flex-direction:column;gap:5px}
.fld .cap{font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--mut);font-weight:650}
.freq{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:14px;
  padding:8px 14px;background:#fbfcfe}
.freq:focus-within{border-color:var(--acc);box-shadow:0 0 0 3px #dce9f8}
.freq input{width:110px;border:0;background:transparent;font:700 27px/1.2 inherit;padding:0;
  outline:none;font-variant-numeric:tabular-nums;color:var(--ink)}
.freq .dash{color:var(--mut);font-size:20px}
.freq .unit{color:var(--mut);font-size:14px;font-weight:600;padding-left:2px}
select.sel{height:46px;border:1px solid var(--line);border-radius:12px;padding:0 12px;background:#fff;
  min-width:210px;cursor:pointer}
select.sel:focus{outline:2px solid #bcd3ee;border-color:var(--acc)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--acc);
  background:var(--acc);color:#fff;border-radius:12px;padding:0 20px;height:46px;font-weight:650;
  cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--acc-d);border-color:var(--acc-d)}
.btn.zhdet{animation:puls 1.6s ease-in-out infinite}
@keyframes puls{0%,100%{box-shadow:0 0 0 0 rgba(31,95,168,.34)}50%{box-shadow:0 0 0 6px rgba(31,95,168,0)}}
.btn.sec{background:#fff;color:var(--acc);border-color:var(--line)}
.btn.sec:hover{background:#f7faff;border-color:#c3cee0}
.btn.ok{background:var(--ok);border-color:var(--ok)}
.btn.ok:hover{filter:brightness(.94)}
.btn--sm{height:38px;padding:0 14px;font-size:14px;border-radius:10px}

/* ------------------------------------------------------------------ статус */
.status{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:14px;
  padding-top:14px;border-top:1px solid var(--line2)}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;
  font-size:12.5px;font-weight:650}
.chip--ok{background:var(--okbg);color:var(--ok)}
.chip--no{background:#fdecea;color:var(--red)}
.scale{flex:1 1 260px;min-width:200px}
.scale__bar{position:relative;height:10px;border-radius:999px;background:#eef1f6;overflow:hidden}
.scale__band{position:absolute;inset-block:0;background:#cfe0f5}
.scale__req{position:absolute;inset-block:0;background:var(--acc);border-radius:999px}
.scale__req.bad{background:var(--red)}
.scale__lab{display:flex;justify-content:space-between;gap:8px;font-size:11.5px;
  color:var(--mut);margin-top:4px}
.scale__lab span:nth-child(2){text-align:center}
@media (max-width:680px){.scale__lab span:first-child,.scale__lab span:last-child{display:none}}
.status__txt{font-size:13.5px;color:var(--ink2)}
.status__txt b{color:var(--ink)}

/* ---------------------------------------------------------------- подсказка */
.i{width:19px;height:19px;border-radius:50%;border:1px solid #c3cee0;background:#fff;color:var(--mut);
  font:700 12px/1 system-ui;cursor:pointer;padding:0;display:inline-flex;align-items:center;
  justify-content:center;vertical-align:middle;flex:none}
.i:hover{border-color:var(--acc);color:var(--acc)}
.tip{position:fixed;z-index:90;max-width:320px;background:#152443;color:#fff;border-radius:10px;
  padding:10px 13px;font-size:13px;line-height:1.45;box-shadow:var(--sh2)}
.tip b{color:#9dc2f0}

/* ----------------------------------------------------------------- плитки */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px;margin:16px 0}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;
  box-shadow:var(--sh)}
.tile .k{display:block;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--mut)}
.tile .v{display:block;font-size:21px;font-weight:700;line-height:1.3;letter-spacing:-.01em;
  font-variant-numeric:tabular-nums}
.tile .c{display:block;font-size:12.5px;color:var(--mut)}

/* --------------------------------------------------------------- действия */
.bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.menu{position:relative}
.menu__list{position:absolute;top:calc(100% + 6px);left:0;z-index:50;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh2);padding:6px;min-width:250px}
.menu__list a,.menu__list button{display:flex;align-items:center;gap:9px;width:100%;padding:9px 11px;
  border:0;background:none;border-radius:9px;cursor:pointer;font-size:14px;color:var(--ink);text-align:left}
.menu__list a:hover,.menu__list button:hover{background:#f2f6fc}
.menu__list hr{border:0;border-top:1px solid var(--line2);margin:5px 8px}
.menu__list .gr{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);
  padding:7px 11px 3px;font-weight:650}

/* ---------------------------------------------------------------- чертежи */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(480px,1fr));gap:12px}
.card{margin:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:12px 14px 6px;box-shadow:var(--sh)}
.card figcaption{display:flex;align-items:center;gap:9px;margin-bottom:4px}
.card h3{margin:0;font-size:15.5px;font-weight:650}
.card .sub{color:var(--mut);font-size:12.5px;margin-left:auto;text-align:right}
.card .dl{opacity:.55;transition:.12s}
.card:hover .dl{opacity:1}
.draw svg{display:block;width:100%;height:auto}

/* ------------------------------------------------------------- аккордеоны */
details.acc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  margin-top:12px;box-shadow:var(--sh);overflow:hidden}
details.acc>summary{list-style:none;cursor:pointer;padding:14px 16px;display:flex;align-items:center;
  gap:9px;font-weight:650;font-size:15px}
details.acc>summary::-webkit-details-marker{display:none}
details.acc>summary .cnt{color:var(--mut);font-weight:400;font-size:13.5px}
details.acc>summary .arw{margin-left:auto;color:var(--mut);transition:transform .15s}
details.acc[open]>summary{border-bottom:1px solid var(--line2)}
details.acc[open]>summary .arw{transform:rotate(180deg)}
.acc__in{padding:14px 16px 16px}

/* --------------------------------------------------------------- таблицы */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--mut);
  border-bottom:1px solid var(--line);padding:6px 8px;white-space:nowrap;font-weight:650}
.tbl td{padding:4px 8px;border-bottom:1px solid var(--line2)}
.tbl td.num{font-variant-numeric:tabular-nums;font-weight:650;text-align:right;white-space:nowrap}
.tbl td.calc{color:var(--mut);text-align:right;font-variant-numeric:tabular-nums}
.tbl td.cmt{color:var(--mut);font-size:12.5px}
.tbl tr:hover td{background:#f8fafd}
.tbl tr.is-on td{background:#eaf2fb;font-weight:600}
.tbl tr.clickable{cursor:pointer}
input.ov{width:88px;border:1px solid var(--line);border-radius:8px;padding:4px 8px;text-align:right;
  font-weight:650;font-size:13.5px;font-variant-numeric:tabular-nums;background:#fff}
input.ov:focus{outline:2px solid #bcd3ee;border-color:var(--acc)}
input.ov.set{border-color:var(--warn);background:var(--warnbg);color:var(--warn)}

/* ------------------------------------------------------- панель настроек */
.veil{position:fixed;inset:0;background:rgba(21,36,67,.34);z-index:60;animation:fade .15s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(470px,100%);background:var(--bg);z-index:70;
  display:flex;flex-direction:column;box-shadow:var(--sh2);animation:slide .18s ease-out}
@keyframes slide{from{transform:translateX(30px);opacity:.4}to{transform:none;opacity:1}}
.drawer__hd{display:flex;align-items:center;gap:10px;padding:14px 16px;background:#fff;
  border-bottom:1px solid var(--line)}
.drawer__hd h2{margin:0;font-size:16.5px}
.drawer__bd{flex:1;overflow:auto;padding:14px 16px 26px}
.drawer__ft{padding:12px 16px;background:#fff;border-top:1px solid var(--line);display:flex;gap:10px}
.grp{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;
  box-shadow:var(--sh)}
.grp>h3{margin:0;padding:12px 14px 2px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--mut)}
.grp__bd{padding:10px 14px 14px;display:grid;gap:12px}
.row{display:flex;align-items:center;gap:10px}
.row label{flex:1;font-size:14px;color:var(--ink2);display:flex;align-items:center;gap:7px}
.row input:not(.ov),.row select{width:130px;border:1px solid var(--line);border-radius:9px;
  padding:7px 10px;background:#fff;text-align:right}
.row input:focus,.row select:focus{outline:2px solid #bcd3ee;border-color:var(--acc)}
.seg{display:flex;background:#eef1f6;border-radius:10px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:none;border-radius:8px;padding:7px 8px;font-size:13.5px;
  cursor:pointer;color:var(--ink2)}
.seg button.on{background:#fff;color:var(--ink);font-weight:650;box-shadow:var(--sh)}

/* ------------------------------------------------------------ уведомления */
.msg{display:flex;gap:12px;align-items:flex-start;background:var(--warnbg);border:1px solid var(--warnln);
  border-radius:var(--r);padding:12px 14px;margin-bottom:14px;color:var(--warn);font-size:14px}
.msg .act{margin-left:auto;display:flex;gap:8px;flex:none}
.msg ul{margin:4px 0 0;padding-left:18px}

/* ------------------------------------------------------------------ текст */
.prose{font-size:14px;color:var(--ink2)}
.prose h4{margin:14px 0 6px;font-size:14px;color:var(--ink)}
.prose ol,.prose ul{margin:0;padding-left:20px}
.prose li{margin-bottom:5px}
.foot{color:var(--mut);font-size:12.5px;text-align:center;padding:26px 0 16px}
.foot a{color:var(--mut);text-decoration:underline}
code{background:#eef2f9;border-radius:5px;padding:1px 5px;font-size:12.5px}
main{padding-bottom:40px}

/* -------------------------------------------------------------- мобильное */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:35;background:rgba(255,255,255,.95);
  backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:9px 14px;display:none;gap:8px;
  transform:translateY(105%);transition:transform .18s ease-out}
.sticky.show{transform:none}
@media (max-width:1040px){.cards{grid-template-columns:1fr}}
@media (max-width:680px){
  .wrap{padding:0 12px}
  .hero{padding:18px 0 6px}.hero h1{font-size:21px}
  .freq input{width:84px;font-size:23px}
  .form{gap:10px}.form>*{flex:1 1 100%}
  select.sel,.btn{width:100%}
  .tiles{grid-template-columns:1fr 1fr;gap:8px}
  .tile .v{font-size:18px}
  .bar .btn{flex:1}
  .sticky{display:flex}
  main{padding-bottom:78px}
  .card .sub{display:none}
  .fields{grid-template-columns:1fr}
  .brand small{display:none}
  .brand span{font-size:15px}
  .top__in{height:52px;gap:8px}
  .ib span{display:none}
  .ib{padding:0;width:38px}
}
@media print{
  /* поля задаём внутри страницы — так браузер не печатает колонтитулы с адресом */
  @page{size:A4;margin:0}
  .top,.hero .form,.bar,.sticky,.drawer,.veil,.msg,.tiles,.foot,details.acc>summary,
  .modal,#sravnenie,.seg,.legenda,.i,.chip,.card .dl,.razdely{display:none!important}
  body{background:#fff}
  .wrap{padding:10mm 10mm 8mm}
  .hero h1{font-size:17pt}
  .card,.block{padding:0}
  .cards{grid-template-columns:1fr;gap:0}
  .card{break-inside:avoid;border:0;box-shadow:none;padding:0;margin:0 0 12mm}
  details.acc{border:0;box-shadow:none;margin:0}
  details.acc .acc__in{padding:0}
}

/* ------------------------------------------------------------- модальное */
.modal{position:fixed;inset:0;z-index:75;display:flex;align-items:center;justify-content:center;
  padding:20px}
.modal__in{background:var(--card);border-radius:16px;box-shadow:var(--sh2);max-width:340px;width:100%;
  animation:slide .18s ease-out}
/* --------------------------------------------------------------- проекты */
.proj{background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 13px;
  margin-bottom:8px;box-shadow:var(--sh)}
.proj b{display:block;font-size:14.5px}
.proj .meta{font-size:12px;color:var(--mut);margin:2px 0 7px}
.proj .zam{font-size:13px;color:var(--ink2);margin-bottom:8px}
.proj .act{display:flex;gap:6px}
/* ------------------------------------------------------------- сравнение */
.sr{width:100%;border-collapse:collapse;font-size:13.5px}
.sr th{text-align:right;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--mut);
  padding:6px 8px;border-bottom:1px solid var(--line)}
.sr th:first-child{text-align:left}
.sr td{padding:4px 8px;border-bottom:1px solid var(--line2);text-align:right;
  font-variant-numeric:tabular-nums}
.sr td:first-child{text-align:left;font-variant-numeric:normal}
.sr td.d{color:var(--mut);font-size:12.5px}
.sr td.b{font-weight:650}
.tbl tr.hoverable{cursor:default}
.tbl tr.hoverable:hover td:first-child{color:var(--warn);font-weight:600}

/* --------------------------------------------------------------- легенда */
.legenda{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12.5px;color:var(--ink2);
  margin:2px 2px 0}
.legenda span{display:inline-flex;align-items:center;gap:7px}
.legenda i{width:16px;height:3px;border-radius:2px;flex:none}
.legenda i.dash{background:repeating-linear-gradient(90deg,#d97706 0 7px,transparent 7px 11px)!important}
#card-dn .seg{max-width:340px}
#card-dn .draw{max-width:470px;margin:0 auto}

/* ==========================================================================
   Разделы сайта. Патч — синий, спираль — медный: перепутать нельзя.
   ========================================================================== */
body.tema-spiral{--acc:#a2571b;--acc-d:#8a4916}
body.tema-spiral .scale__band{background:#f0dcc6}
body.tema-spiral .tip b{color:#f0c089}
.razdely{display:flex;gap:4px;background:#eef1f6;border-radius:10px;padding:3px}
.razdely a{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:8px;
  font-size:13.5px;color:var(--ink2);white-space:nowrap}
.razdely a.on{background:#fff;color:var(--ink);font-weight:650;box-shadow:var(--sh)}
.razdely a:hover:not(.on){background:#e4e9f2}
@media (max-width:680px){.razdely a span{display:none}.razdely a{padding:6px 9px}}

/* ------------------------------------------------------ страница выбора */
.vybor{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0 8px}
.vk{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:20px;box-shadow:var(--sh);text-decoration:none;color:inherit;
  transition:.15s;position:relative}
.vk:hover{border-color:#c3cee0;box-shadow:var(--sh2);transform:translateY(-2px)}
.vk__ris{height:132px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;
  background:linear-gradient(180deg,#f7f9fd,#eef2f8);border-radius:12px}
.vk h2{margin:0 0 4px;font-size:19px;letter-spacing:-.01em}
.vk .lid{color:var(--mut);font-size:13.5px;margin:0 0 12px}
.vk__sp{flex:1}
.vk dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:0 0 14px;font-size:13.5px}
.vk dt{color:var(--mut)}
.vk dd{margin:0;font-weight:650;text-align:right}
.vk .go{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;
  border-radius:12px;background:var(--acc);color:#fff;font-weight:650}
.vk--spiral .go{background:#a2571b}
.vk--spiral .vk__ris{background:linear-gradient(180deg,#fdf8f3,#f7ece1)}
.sravn-tabl{width:100%;border-collapse:collapse;font-size:14px}
.sravn-tabl th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--mut);border-bottom:1px solid var(--line);padding:8px 10px;font-weight:650}
.sravn-tabl th:nth-child(2){color:#1f5fa8}
.sravn-tabl th:nth-child(3){color:#a2571b}
.sravn-tabl td{padding:7px 10px;border-bottom:1px solid var(--line2);vertical-align:top}
.sravn-tabl td:first-child{color:var(--mut);width:22%}
.sravn-tabl tr:hover td{background:#f8fafd}
@media (max-width:860px){.vybor{grid-template-columns:1fr}
  .sravn-tabl td:first-child{width:34%}.sravn-tabl{font-size:13px}}

/* --------------------------------------------------------------- корзина */
.mini-num{width:76px;border:1px solid var(--line);border-radius:9px;padding:6px 8px;
  text-align:right;font-variant-numeric:tabular-nums;background:#fff}
.mini-num:focus{outline:2px solid #bcd3ee;border-color:var(--acc)}
.poz{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line2);
  flex-wrap:wrap}
.poz:last-child{border-bottom:0}
.poz__c{width:12px;height:26px;border-radius:4px;flex:none}
.poz__f{display:flex;align-items:center;gap:7px}
.poz__f input{width:82px;border:1px solid var(--line);border-radius:9px;padding:7px 9px;
  text-align:right;font-variant-numeric:tabular-nums;background:#fff}
.poz__n{display:flex;align-items:center;gap:6px;margin-left:auto}
.poz__n button{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:9px;
  cursor:pointer;font-size:17px;line-height:1;color:var(--ink2)}
.poz__n button:hover{border-color:var(--acc);color:var(--acc)}
.poz__n input{width:56px;border:1px solid var(--line);border-radius:9px;padding:7px 8px;
  text-align:center;font-weight:650;font-variant-numeric:tabular-nums;background:#fff}
.poz__info{font-size:12.5px;color:var(--mut);flex-basis:100%;padding-left:22px}
/* переключатель «комплектами / поштучно» и счётчики отдельных деталей */
.poz__n .rezhim{width:34px;font-size:12px;font-weight:650;letter-spacing:.2px}
.poz__n .rezhim.is-on{border-color:var(--acc);background:var(--acc);color:#fff}
.poz__d{display:flex;align-items:center;gap:6px}
.poz__d label{display:flex;align-items:center;gap:4px}
.poz__d label span{font-size:12px;font-weight:650;color:var(--mut);width:11px;text-align:center}
.poz__d input{width:52px;border:1px solid var(--line);border-radius:9px;padding:7px 6px;
  text-align:center;font-weight:650;font-variant-numeric:tabular-nums;background:#fff}
.poz--sht .poz__c{background-image:repeating-linear-gradient(135deg,
  rgba(255,255,255,.55) 0 3px,rgba(255,255,255,0) 3px 6px)}
@media(max-width:560px){.poz__n{margin-left:0;flex-basis:100%}
  .poz__d input{width:46px}}
.dz{background:#eef7f2;border:1px solid #bfe3d2;border-radius:var(--r);padding:12px 14px;
  margin-bottom:14px}
.dz b{color:var(--ok)}
.dz .vars{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}
.dz .vars button{border:1px solid #bfe3d2;background:#fff;border-radius:999px;padding:6px 13px;
  font:600 13px inherit;color:var(--ok);cursor:pointer}
.dz .vars button:hover{background:var(--ok);color:#fff;border-color:var(--ok)}

/* ------------------------------------------------ плитки типов антенн */
.tipy{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:10px}
.tk{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:12px 14px;text-decoration:none;color:inherit;transition:.12s;
  box-shadow:var(--sh)}
.tk:hover{border-color:var(--acc);box-shadow:0 4px 16px rgba(31,95,168,.14);transform:translateY(-1px)}
.tk__ris{flex:none;width:76px;height:66px;display:flex;align-items:center;justify-content:center;
  background:#f4f7fc;border-radius:10px}
.tk__t{display:flex;flex-direction:column;gap:3px;min-width:0}
.tk__t b{font-size:15px}
.tk__t span{font-size:12.5px;color:var(--mut);line-height:1.4}
.tk__t em{font-style:normal;font-size:12.5px;color:var(--acc);font-weight:650}