:root{
  --bg:#14121C; --bg2:#1B1826; --panel:#1F1C2C; --raise:#2A2639; --line:#35304A;
  --ink:#F3EEE4; --ink2:#C9C2D6; --mute:#8F88A3;
  --ru:#B8820F; --ru-hi:#FFB627; --fo:#3A8CD2; --sh:#DB5C80; --dim:#4A4560;
  --good:#5BBF8A; --bad:#E0605A;
  --disp:"Sofia Sans Extra Condensed","Arial Narrow",sans-serif;
  --text:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --w:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;overflow-x:hidden;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--text);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
a{color:inherit}
h1,h2,h3{font-family:var(--disp);font-weight:900;line-height:.92;margin:0;letter-spacing:.005em;text-wrap:balance}
button,select,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ru-hi);outline-offset:2px}

/* навигация */
.rail{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:28px;padding:0 max(20px,calc((100vw - var(--w))/2));height:52px;background:rgba(20,18,28,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.rail__brand{font:800 22px/1 var(--disp);text-decoration:none;white-space:nowrap;letter-spacing:.02em}
.rail__links{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.rail__links::-webkit-scrollbar{display:none}
.rail__links a{padding:6px 10px;border-radius:6px;font-size:14px;color:var(--ink2);text-decoration:none;white-space:nowrap}
.rail__links a:hover,.rail__links a.on{color:var(--ink);background:var(--raise)}

/* первый экран */
.hero{padding:30px max(20px,calc((100vw - var(--w))/2)) 40px}
.hero__head{display:grid;grid-template-columns:1fr;gap:18px;margin-bottom:28px}
.hero h1{font-size:clamp(46px,9.6vw,138px);text-transform:uppercase}
.hero h1 span{display:block;white-space:nowrap}
.hero__lead{margin:0;font-size:18px;line-height:1.5;color:var(--ink2);max-width:96ch}
.hero__lead b{color:var(--ink);font-weight:600}
.hero__strip{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:18px 20px 14px}
.strip__bar{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:12px}
.strip__cap{margin:0;color:var(--ink2);font-size:14.5px;max-width:70ch}
.strip__wrap{position:relative}
#heroCanvas{display:block;width:100%;cursor:crosshair}
.strip__legend{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12.5px;color:var(--mute)}
.strip__legend i{display:block;width:160px;height:8px;border-radius:4px}
.strip__note{margin-left:auto;color:var(--ink2)}

.verdict{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:28px;border-top:1px solid var(--line)}
.verdict div{padding:22px 24px 6px 0;border-right:1px solid var(--line);margin-right:24px}
.verdict div:last-child{border-right:0;margin-right:0}
.verdict b{display:block;font:900 clamp(40px,4.6vw,68px)/.95 var(--disp);color:var(--ru-hi)}
.verdict span{display:block;margin-top:8px;color:var(--ink2);font-size:15px;line-height:1.45}

/* главы */
.chapter{padding:84px max(20px,calc((100vw - var(--w))/2)) 12px}
.chapter__head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:end;margin-bottom:28px}
.chapter h2{font-size:clamp(44px,5.6vw,84px)}
.chapter__lead{margin:0;color:var(--ink2);font-size:17px;max-width:62ch}
.chapter__lead b{color:var(--ink);font-weight:600}
.chapter--method{padding-bottom:90px}

.grid{display:grid;gap:16px;margin-bottom:16px}
.grid--2-1{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.grid--1-1{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--1-1-1{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--flush{margin-bottom:0;gap:28px;align-items:start}

.panel{margin:0 0 16px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 22px 18px;min-width:0}
.grid .panel{margin:0}
.panel figcaption{display:flex;flex-direction:column;gap:3px;margin-bottom:14px}
.panel figcaption b{font-weight:600;font-size:17px}
.panel figcaption span{color:var(--mute);font-size:13.5px;line-height:1.4;max-width:90ch}
.panel__note{margin:12px 0 0;color:var(--ink2);font-size:14.5px;line-height:1.5;max-width:80ch}
.panel__note b{color:var(--ink);font-weight:600}
.chart{position:relative;width:100%}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart text{font-family:var(--text);fill:var(--mute);font-size:11.5px}
.chart .lbl{fill:var(--ink2)}
.chart .val{fill:var(--ink);font-weight:500}
.chart .axis{stroke:var(--line);stroke-width:1}
.chart .gridl{stroke:var(--line);stroke-width:1;stroke-dasharray:2 4}
.hit{fill:transparent;cursor:pointer}

.legend{display:flex;flex-wrap:wrap;gap:6px 18px;margin:0 0 10px;font-size:13px;color:var(--ink2)}
.legend span{display:inline-flex;align-items:center;gap:7px}
.legend i{width:11px;height:11px;border-radius:3px;display:inline-block}
.legend i.ln{height:2px;width:18px;border-radius:1px}
.legend--ramp{margin-top:12px;align-items:center}
.legend--ramp em{font-style:normal;color:var(--mute)}
.legend--ramp i.ramp{width:200px;height:8px;border-radius:4px}

.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:16px}
.fact{border-left:3px solid var(--ru-hi);padding:4px 0 4px 18px}
.fact b{display:block;font:800 40px/1 var(--disp);margin-bottom:6px}
.fact p{margin:0;color:var(--ink2);font-size:15px;line-height:1.5}
.fact p b{display:inline;font:600 15px/1.5 var(--text);color:var(--ink);margin:0}

/* управление */
.controls{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:end;margin-bottom:16px}
.controls--form label{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--mute)}
.controls label.inline{display:flex;flex-direction:row;align-items:center;gap:8px;font-size:13.5px;color:var(--ink2)}
.controls .grow{flex:1 1 260px}
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:3px;gap:2px}
.seg button{border:0;background:transparent;padding:6px 12px;border-radius:6px;font-size:13.5px;color:var(--ink2);cursor:pointer;white-space:nowrap}
.seg button:hover{color:var(--ink)}
.seg button.on{background:var(--ru-hi);color:#1B1505;font-weight:600}
select,input[type=search]{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:14.5px;color:var(--ink);min-height:38px}
select{appearance:none;-webkit-appearance:none;padding-right:38px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23C9C2D6' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center}
.btn{background:var(--raise);border:1px solid var(--line);border-radius:8px;padding:9px 16px;cursor:pointer;font-size:14px}
.btn:hover{border-color:var(--mute)}

/* симулятор и числа */
.sim{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:28px;align-items:start}
.sim__nums{display:grid;gap:14px}
.num{border-top:1px solid var(--line);padding-top:10px}
.num:first-child{border-top:0;padding-top:0}
.num b{display:block;font:900 46px/1 var(--disp)}
.num.hl b{color:var(--ru-hi);font-size:64px}
.num span{color:var(--mute);font-size:13.5px;line-height:1.4;display:block;margin-top:3px}

/* таблицы */
.detail{margin-top:14px;overflow-x:auto}
.detail:empty{display:none}
.detail h3{font:600 15px/1.3 var(--text);margin:0 0 8px;letter-spacing:0}
table{width:100%;border-collapse:collapse;font-size:14px}
th{font-weight:500;color:var(--mute);font-size:12.5px;text-align:left;padding:6px 10px 6px 0;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:7px 10px 7px 0;border-bottom:1px solid rgba(53,48,74,.55);vertical-align:top}
td.n,th.n{text-align:right;padding-right:0;padding-left:10px;white-space:nowrap}
td.n + td,th.n + th{padding-left:26px}
tr.row{cursor:pointer}
tr.row:hover td{background:rgba(255,182,39,.06)}
td small{color:var(--mute);display:block;font-size:12.5px;line-height:1.35}
.tag{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:7px;vertical-align:1px}
.bar{display:block;height:4px;border-radius:2px;background:var(--ru);margin-top:4px;min-width:2px}
.catalog__more{display:flex;align-items:center;gap:16px;margin-top:14px;color:var(--mute);font-size:13.5px}

/* текст */
.prose{max-width:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.prose .card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.prose .card.wide{grid-column:1/-1}
.prose h3{font:800 30px/1 var(--disp);margin-bottom:12px}
.prose p,.prose li{color:var(--ink2);font-size:15.5px;line-height:1.55}
.prose p{margin:0 0 10px}
.prose ul{margin:0;padding-left:18px}
.prose li{margin-bottom:7px}
.prose b{color:var(--ink);font-weight:600}
.prose a{color:var(--ru-hi);text-underline-offset:3px}
.prose .src{font-size:13px;color:var(--mute);margin-top:10px}
.prose .src a{color:var(--ink2)}

/* подсказка и диалог */
#tip{position:fixed;z-index:50;pointer-events:none;opacity:0;transition:opacity .08s;background:#0E0C14;border:1px solid var(--line);border-radius:10px;padding:10px 13px;font-size:13px;line-height:1.45;max-width:320px;box-shadow:0 12px 32px rgba(0,0,0,.5)}
#tip.on{opacity:1}
#tip b{display:block;font-size:14px;font-weight:600;margin-bottom:3px}
#tip i{font-style:normal;color:var(--mute)}
dialog{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:28px 30px;width:min(760px,calc(100vw - 32px));max-height:88vh}
dialog::backdrop{background:rgba(8,6,14,.72);backdrop-filter:blur(3px)}
.dlg__close{position:absolute;right:14px;top:10px;background:none;border:0;font-size:30px;line-height:1;color:var(--mute);cursor:pointer}
#filmBody h3{font-size:46px;margin-bottom:6px;padding-right:30px}
#filmBody .meta{color:var(--ink2);font-size:14.5px;margin:0 0 16px}
.kv{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:16px 0}
.kv div b{display:block;font:800 30px/1 var(--disp)}
.kv div span{color:var(--mute);font-size:12.5px}

/* малые множители */
.sm{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px 22px}
.sm__cell h4{margin:0;font:600 14.5px/1.25 var(--text)}
.sm__cell p{margin:2px 0 6px;color:var(--mute);font-size:12.5px}

@media (max-width:980px){
  .hero__head,.chapter__head{grid-template-columns:1fr;gap:18px}
  .grid--2-1,.grid--1-1,.grid--1-1-1,.sim,.prose{grid-template-columns:1fr}
  .verdict{grid-template-columns:1fr 1fr}
  .verdict div:nth-child(2){border-right:0}
  .facts{grid-template-columns:1fr}
  .sm{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chapter{padding-top:56px}
  .kv{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .hero h1 span{white-space:normal}
  .seg{max-width:100%;overflow-x:auto}
  .scrollx{overflow-x:auto}
  .scrollx svg{min-width:720px}
  .strip__note{margin-left:0;flex-basis:100%}
  .strip__legend{flex-wrap:wrap}
}
@media (max-width:560px){
  .verdict{grid-template-columns:1fr}
  .verdict div{border-right:0;margin-right:0;border-bottom:1px solid var(--line);padding-bottom:18px}
  .panel{padding:16px 14px}
  .hero{padding-top:32px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}#tip{transition:none}}