/* Общие стили главной и страницы «Расчёты по ТР ТС 032». Система та же, что у прежней версии: бумага, тушь, рыжий акцент, моно-подписи как в спецификации. */
:root{
  --paper:#ECEFF2; --surface:#F7F9FA; --ink:#12202B; --muted:#56646F; --line:#CBD3D9; --accent:#C9461C; --accent-ink:#FFFFFF; --code:#16212B; --code-fg:#D7E1E8; --ok:#2F7D5B;
  --f-display:"Unbounded","Golos Text",system-ui,sans-serif;
  --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --r:6px; color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0E151B; --surface:#141D25; --ink:#E4EAEF; --muted:#93A1AC; --line:#25313B; --accent:#EE6A3C; --accent-ink:#140A05; --code:#0A1015; --code-fg:#C9D4DC; --ok:#5BC394; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0E151B; --surface:#141D25; --ink:#E4EAEF; --muted:#93A1AC; --line:#25313B; --accent:#EE6A3C; --accent-ink:#140A05; --code:#0A1015; --code-fg:#C9D4DC; --ok:#5BC394; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--paper)}
img{max-width:100%}
[hidden]{display:none!important}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
[id]{scroll-margin-top:72px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{text-wrap:balance;margin:0}
h2{font-family:var(--f-display);font-weight:500;font-size:clamp(26px,3.4vw,38px);line-height:1.12;letter-spacing:-.01em}
h3{font-size:19px;font-weight:600;line-height:1.3}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.lead{color:var(--muted);max-width:62ch;font-size:17px}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px/1 var(--f-body);padding:14px 20px;border-radius:var(--r);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .15s}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;padding-block:14px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo b{font-family:var(--f-display);font-weight:700;font-size:18px;letter-spacing:.06em}
.logo span{font-family:var(--f-mono);font-size:12px;color:var(--muted);letter-spacing:.04em}
nav.main{display:flex;gap:22px;margin-left:auto}
nav.main a{text-decoration:none;font-size:14px;color:var(--muted);white-space:nowrap}
nav.main a:hover,nav.main a[aria-current]{color:var(--ink)}
nav.main a[aria-current]{box-shadow:inset 0 -2px 0 var(--accent)}
.top .btn{padding:10px 16px;font-size:14px;white-space:nowrap}
@media (max-width:1180px){nav.main{gap:14px}nav.main a{font-size:13px}.logo span{display:none}}
@media (max-width:1000px){nav.main{display:none}.top .btn{margin-left:auto}}

.crumbs{font-family:var(--f-mono);font-size:12px;color:var(--muted);padding-top:24px}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--ink)}

/* hero */
.hero{padding-block:56px 40px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:center}
.hero h1{font-family:var(--f-display);font-weight:500;font-size:clamp(30px,4.3vw,52px);line-height:1.08;letter-spacing:-.02em;margin:16px 0 20px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero.solo .wrap{grid-template-columns:minmax(0,1fr)}
.hero.solo .lead{max-width:72ch}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:32px}}

/* hero widget */
.viewport{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-width:0;margin:0}
.vp-bar{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.vp-body{display:grid;grid-template-columns:minmax(0,1fr) 64px}
#fea{display:block;width:100%;aspect-ratio:4/3;cursor:crosshair;touch-action:none}
.cbar{border-left:1px solid var(--line);padding:16px 8px 16px 10px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.cbar canvas{flex:1;width:14px;border-radius:2px}
.cbar .u{font-family:var(--f-mono);font-size:10px;color:var(--muted)}
.cbar-wrap{display:flex;gap:6px;flex:1;width:100%}
.ticks{display:flex;flex-direction:column;justify-content:space-between;font-family:var(--f-mono);font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}
.vp-foot{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);font-family:var(--f-mono);font-size:12px}
.vp-foot div{padding:10px 14px;border-right:1px solid var(--line);min-width:0}
.vp-foot div:last-child{border-right:0}
.vp-foot small{display:block;color:var(--muted);font-size:10px;letter-spacing:.06em;text-transform:uppercase}
.vp-foot b{font-weight:500;font-variant-numeric:tabular-nums}
.vp-note{padding:10px 14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}

/* four facts */
.facts4{padding-block:8px 64px}
.facts4 dl{margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.facts4 dl div{padding:16px 20px 16px 0;min-width:0}
.facts4 dl div+div{padding-left:20px;border-left:1px solid var(--line)}
.facts4 dt{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.facts4 dd{margin:0;font-size:15px}
.facts4 dd b{display:block;font-weight:600}
@media (max-width:860px){.facts4 dl{grid-template-columns:repeat(2,minmax(0,1fr))}.facts4 dl div:nth-child(3){padding-left:0;border-left:0}.facts4 dl div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:480px){.facts4 dl{grid-template-columns:1fr}.facts4 dl div+div{padding-left:0;border-left:0}.facts4 dl div{border-bottom:1px solid var(--line)}.facts4 dl div:last-child{border-bottom:0}}

section.block{padding-block:72px;border-top:1px solid var(--line)}
.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 48px;align-items:end;margin-bottom:40px}
.head .eyebrow{margin-bottom:12px}
@media (max-width:820px){.head{grid-template-columns:1fr}}

/* core services: three large cards */
.core{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.core article{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:28px 24px 24px;display:flex;flex-direction:column;gap:14px;min-width:0}
.core .code{font-family:var(--f-mono);font-size:12px;color:var(--accent)}
.core h3{font-size:21px}
.core p{color:var(--muted);font-size:15px}
.core .price{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.core .price b{font-family:var(--f-display);font-weight:500;font-size:22px;line-height:1.2}
.core .price span{font-family:var(--f-mono);font-size:12px;color:var(--muted)}
@media (max-width:960px){.core{grid-template-columns:1fr}}
.price-note{margin-top:20px;font-size:15px;color:var(--muted);max-width:80ch}
.also{margin-top:36px;border-top:1px solid var(--ink);padding-top:18px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 24px;align-items:baseline}
.also b{font-family:var(--f-mono);font-weight:500;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.also ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.also li{font-size:14px;padding:6px 10px;border:1px solid var(--line);border-radius:4px}
@media (max-width:620px){.also{grid-template-columns:1fr}}

/* audience */
.aud{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.aud div{background:var(--paper);padding:24px;display:flex;flex-direction:column;gap:10px;min-width:0}
.aud p{color:var(--muted);font-size:15px}
@media (max-width:860px){.aud{grid-template-columns:1fr}}

/* report */
.report{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px;align-items:start}
.report ol{margin:0;padding:0;list-style:none;counter-reset:r;border-top:1px solid var(--ink)}
.report li{counter-increment:r;display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.report li::before{content:"0" counter(r);font-family:var(--f-mono);font-size:12px;color:var(--accent);padding-top:3px}
.report li b{display:block;font-weight:600}
.report li span{display:block;color:var(--muted);font-size:15px}
.report aside{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px;display:flex;flex-direction:column;gap:12px}
.report aside p{color:var(--muted);font-size:15px}
@media (max-width:860px){.report{grid-template-columns:1fr;gap:28px}}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));counter-reset:s;border-top:1px solid var(--ink);margin:0;padding:0}
.steps li{list-style:none;padding:22px 24px 0 0;position:relative;display:flex;flex-direction:column;gap:10px;min-width:0}
.steps li::before{counter-increment:s;content:"0" counter(s);font-family:var(--f-mono);font-size:12px;color:var(--accent)}
.steps li::after{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;background:var(--ink);border-radius:50%}
.steps p{color:var(--muted);font-size:15px}
@media (max-width:860px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* check */
.check{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.check div{border-top:2px solid var(--accent);padding-top:14px;min-width:0}
.check b{display:block;font-family:var(--f-mono);font-weight:500;font-size:13px;margin-bottom:6px}
.check p{font-size:15px;color:var(--muted)}
@media (max-width:760px){.check{grid-template-columns:1fr}}

/* tables (TR TS page) */
.tbl-scroll{overflow-x:auto;border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
table.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
.tbl th,.tbl td{text-align:left;padding:14px 16px 14px 0;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:0}
.tbl thead th{font-family:var(--f-mono);font-weight:400;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tbl tbody th{font-weight:600}
.tbl td.n{color:var(--muted)}
.tbl td.v{font-weight:600;white-space:nowrap}
.inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;margin:0;padding:0;list-style:none}
.inputs li{padding:14px 0 14px 30px;border-bottom:1px solid var(--line);position:relative}
.inputs li::before{content:"";position:absolute;left:4px;top:21px;width:10px;height:10px;border:1.5px solid var(--accent);border-radius:2px}
.inputs li span{display:block;color:var(--muted);font-size:14px}
@media (max-width:760px){.inputs{grid-template-columns:1fr}}
.prose{max-width:72ch;display:flex;flex-direction:column;gap:14px;font-size:17px}
.prose p{color:var(--muted)}
.prose b{color:var(--ink)}

/* faq */
.faq{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:48px}
.faq details{border-bottom:1px solid var(--line);padding-block:18px}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-mono);color:var(--accent);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin-top:12px;color:var(--muted);max-width:64ch}
@media (max-width:860px){.faq{grid-template-columns:1fr;gap:24px}}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:48px}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
.contact .info{display:flex;flex-direction:column;gap:20px}
.contact .row small{display:block;font-family:var(--f-mono);font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
.contact .row div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.contact .row span{user-select:all}
.copy{font:500 12px/1 var(--f-mono);padding:6px 9px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--muted);cursor:pointer}
form{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
form .full{grid-column:span 2}
@media (max-width:560px){form{grid-template-columns:1fr;padding:20px}form .full{grid-column:span 1}}
label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);min-width:0}
input,select,textarea{font:inherit;font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:11px 12px;width:100%}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
input[type=file]{padding:9px}
.consent{font-size:12px;color:var(--muted)}
.result{grid-column:1/-1;border:1px solid var(--accent);border-radius:var(--r);padding:16px;font-size:14px;display:flex;flex-direction:column;gap:10px}
.result pre{margin:0;font-family:var(--f-mono);font-size:12px;white-space:pre-wrap;background:var(--paper);padding:12px;border-radius:4px}

footer{border-top:1px solid var(--line);padding-block:32px;font-size:13px;color:var(--muted)}
footer .wrap{display:flex;flex-direction:column;gap:10px}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px}
footer a{text-decoration:none}
footer a:hover{color:var(--ink)}