/* ФирмаСтрой — бурение под сваи и шпунт */
/* Layout: тёмный первый экран с живым видео бурения и разрезом-калькулятором; ниже чередование «бетон / чугун / фото», полоса геологических слоёв как сквозной мотив; оранжевый цвет ямобура только на действиях и буре */
:root{
  --ink:#22282C;          /* Чугун */
  --ink-2:#4B5358;
  --ink-deep:#171B1E;
  --concrete:#E4E5E0;     /* Бетон */
  --sheet:#F6F6F2;        /* Лист */
  --cab:#D9541A;          /* Кабина ямобура — акцент */
  --cab-deep:#B9430F;
  --loam:#9A6B42;         /* Суглинок */
  --sand:#D6BF8A;         /* Песок */
  --clay:#6E7B7E;         /* Глина */
  --fill:#4A4640;         /* Насыпь */
  --rule:rgba(34,40,44,.14);
  --rule-strong:rgba(34,40,44,.38);
  --rule-light:rgba(246,246,242,.18);
  --display:'IBM Plex Sans Condensed','Arial Narrow',sans-serif;
  --body:'Golos Text',system-ui,sans-serif;
  --wrap:1280px;
  --gut:clamp(16px,4vw,48px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--concrete);color:var(--ink);font:400 17px/1.55 var(--body);font-feature-settings:"tnum" 1}
img,video,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.05;margin:0;text-wrap:balance}
h2{font-size:clamp(32px,4vw,52px);letter-spacing:-.01em}
h3{font-size:22px;line-height:1.2}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--cab);outline-offset:2px}

/* Полоса геологических слоёв — сквозной мотив */
.strata{display:grid;grid-template-columns:1.2fr 2fr 1.6fr 2.4fr 1fr;height:10px}
.strata i:nth-child(1){background:var(--fill)}
.strata i:nth-child(2){background:var(--loam)}
.strata i:nth-child(3){background:var(--sand)}
.strata i:nth-child(4){background:var(--clay)}
.strata i:nth-child(5){background:#C9AE74}

/* Кнопки */
.btn{appearance:none;border:0;cursor:pointer;font:600 17px/1.2 var(--body);background:var(--cab);color:#fff;padding:17px 24px;border-radius:6px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:background .2s var(--ease),transform .15s var(--ease)}
.btn:hover{background:var(--cab-deep)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.7;cursor:progress}
.btn-sm{font-size:15px;padding:10px 14px;white-space:nowrap}
.btn-wide{width:100%}
.btn-ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 2px currentColor}
.btn-ghost:hover{background:var(--ink);color:#fff;box-shadow:inset 0 0 0 2px var(--ink)}
.on-dark .btn-ghost:hover{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 2px #fff}

/* Шапка */
.hdr{position:sticky;top:0;z-index:40;background:rgba(23,27,30,.92);backdrop-filter:blur(10px);color:#fff;border-bottom:1px solid var(--rule-light)}
.hdr-in{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo svg{width:28px;height:28px;color:#fff}
.logo b{display:block;font:700 22px/1 var(--display);letter-spacing:.01em}
.logo small{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:3px}
.nav{display:flex;gap:20px;font-size:15px;white-space:nowrap}
.nav a{text-decoration:none;color:rgba(255,255,255,.72);padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a[aria-current]{color:#fff;border-color:var(--cab)}
.hdr-r{margin-left:auto;display:flex;align-items:center;gap:10px}
.hdr-phone{font:600 19px/1.1 var(--display);text-decoration:none;margin-right:6px;text-align:right;white-space:nowrap}
.hdr-phone small{display:block;font:400 12px var(--body);color:rgba(255,255,255,.6)}
.msg{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.3)}
.msg svg{width:19px;height:19px}
.msg:hover{background:#fff;color:var(--ink)}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;padding:12px 10px}
.burger i{display:block;height:2px;background:#fff;margin:5px 0;transition:transform .25s var(--ease)}
.burger[aria-expanded=true] i:first-child{transform:translateY(3.5px) rotate(45deg)}
.burger[aria-expanded=true] i:last-child{transform:translateY(-3.5px) rotate(-45deg)}
@media (max-width:1640px) and (min-width:1241px){.logo small{display:none}.hdr-r .msg{display:none}.nav{gap:18px}.hdr-in{gap:24px}}
@media (max-width:1240px){
  .burger{display:block}
  .nav{display:none;position:fixed;inset:72px 0 0;background:var(--ink-deep);flex-direction:column;gap:0;padding:12px var(--gut) 40px;overflow:auto;font-size:22px}
  .nav.open{display:flex}
  .nav a{padding:16px 0;border-bottom:1px solid var(--rule-light)}
  .nav a[aria-current]{border-color:var(--rule-light);color:var(--cab)}
}
@media (max-width:640px){.hdr-r .msg,.hdr-r .btn-sm{display:none}.hdr-phone{font-size:16px;margin-right:0}.hdr-phone small{display:none}.logo small{display:none}.hdr-in{gap:8px}.logo b{font-size:20px}}

/* ===== Первый экран главной ===== */
.hero{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,27,30,.96) 0%,rgba(23,27,30,.8) 42%,rgba(23,27,30,.35) 100%)}
.hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,580px);gap:56px;align-items:start;padding-top:56px;padding-bottom:64px}
.hero-copy{padding-top:28px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.75);margin-bottom:22px}
.kicker::before{content:"";width:10px;height:10px;border-radius:50%;background:#3FBF6A;box-shadow:0 0 0 4px rgba(63,191,106,.2)}
h1{font-size:clamp(44px,6vw,84px);line-height:.98;letter-spacing:-.02em;max-width:11ch}
.lead{font-size:20px;line-height:1.5;margin-top:24px;max-width:32em;color:rgba(255,255,255,.8)}
.facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;margin:36px 0 0;border-top:1px solid rgba(255,255,255,.25)}
.facts div{padding:16px 28px 0 0;margin-right:28px;border-right:1px solid rgba(255,255,255,.15)}
.facts div:last-child{border-right:0;margin-right:0}
.facts dt{font:600 30px/1.05 var(--display);white-space:nowrap}
.facts dd{margin:6px 0 0;font-size:14px;color:rgba(255,255,255,.65);max-width:14em}
.hero-cta{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center}
.cta-note{font-size:15px;color:rgba(255,255,255,.7)}
.cta-note a{color:#fff;font-weight:600;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.4)}

/* Разрез-калькулятор */
.rig{background:var(--sheet);color:var(--ink);border-radius:12px;box-shadow:0 30px 60px -20px rgba(0,0,0,.55)}
.rig-h{font-size:24px;padding:22px 24px 0;display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.rig-h small{font:400 13px var(--body);color:var(--ink-2)}
.rig-body{display:grid;grid-template-columns:230px minmax(0,1fr)}
.section{margin:0;padding:16px 0 20px 24px}
.section svg{width:100%;height:auto}
.calc{padding:16px 24px 24px 20px;display:flex;flex-direction:column;gap:18px}
.calc fieldset{border:0;margin:0;padding:0;min-width:0}
.calc legend,.calc .field>label,.calc .row2 label{font-size:14px;color:var(--ink-2);margin-bottom:8px;display:block}
.seg{display:grid;gap:6px}
.seg label{margin:0;display:block}
.seg input,.chips input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:10px 12px;border-radius:6px;box-shadow:inset 0 0 0 1.5px var(--rule);cursor:pointer;font-weight:500;font-size:15px;line-height:1.25;transition:box-shadow .15s}
.seg small{display:block;font-weight:400;font-size:13px;color:var(--ink-2)}
.seg input:checked+span{box-shadow:inset 0 0 0 2px var(--ink);background:#fff}
.seg input:focus-visible+span,.chips input:focus-visible+span{outline:3px solid var(--cab);outline-offset:2px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips label{margin:0}
.chips span{display:block;padding:9px 11px;border-radius:4px;font:600 16px/1 var(--display);box-shadow:inset 0 0 0 1.5px var(--rule);cursor:pointer}
.chips input:checked+span{background:var(--ink);color:#fff;box-shadow:none}
.field output{float:right;font:600 16px var(--display);color:var(--ink)}
input[type=range]{width:100%;accent-color:var(--cab);height:28px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.calc input[type=number],.lead-form input[type=text],.lead-form input[type=tel],.lead-form input[type=date],.lead-form textarea,.lead-form select{width:100%;font:500 17px var(--body);color:var(--ink);background:#fff;border:0;border-radius:6px;box-shadow:inset 0 0 0 1.5px var(--rule-strong);padding:12px}
.calc input[type=number]:focus,.lead-form input:focus,.lead-form textarea:focus,.lead-form select:focus{outline:none;box-shadow:inset 0 0 0 2px var(--ink)}
.total{border-top:1px solid var(--rule-strong);padding-top:14px}
.total-sum{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.total-sum span{font:700 42px/1 var(--display);letter-spacing:-.01em}
.total-sum small{font-size:14px;color:var(--ink-2)}
.total-note{font-size:14px;color:var(--ink-2);margin-top:8px;min-height:2.6em}
.layer-t{font:500 11px var(--body);fill:#fff}
.layer-t.dark{fill:var(--ink)}
.ruler-t{font:600 11px var(--display);fill:var(--ink-2)}
.bore-depth{font:700 13px var(--display);fill:var(--cab-deep)}

/* ===== Блоки ===== */
.blk{padding:104px 0}
.blk-tight{padding:72px 0}
.blk-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px;align-items:end;margin-bottom:48px}
.sub{margin-top:16px;max-width:42em;color:var(--ink-2);font-size:18px}
.blk-head .sub{margin-top:0}
.blk-dark{background:var(--ink);color:var(--sheet)}
.blk-dark .sub,.blk-dark p{color:rgba(246,246,242,.75)}
.blk-paper{background:var(--sheet)}

/* Цены: диаметры в масштабе */
.bores{display:grid;grid-template-columns:repeat(var(--n,5),1fr);gap:0;border-top:1px solid var(--rule-strong)}
.bore{padding:28px 16px 24px;border-right:1px solid var(--rule);display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.bore:last-child{border-right:0}
.bore-c{width:calc(var(--d) * .2px);height:calc(var(--d) * .2px);border-radius:50%;background:radial-gradient(circle at 50% 50%,var(--fill) 0 28%,var(--loam) 29% 100%);box-shadow:inset 0 0 0 3px var(--cab);align-self:flex-start}
.bore-d{font:600 22px/1 var(--display)}
.bore-p{font:700 34px/1 var(--display)}
.bore-p small{font:400 14px var(--body);color:var(--ink-2);margin-left:4px}
.price-tabs{display:flex;gap:6px;margin-bottom:0}
.price-tabs button{appearance:none;border:0;background:transparent;font:600 18px var(--display);padding:12px 18px;border-radius:6px 6px 0 0;cursor:pointer;color:var(--ink-2)}
.price-tabs button[aria-selected=true]{background:var(--sheet);color:var(--ink);box-shadow:0 -3px 0 var(--cab) inset}
.price-panel{background:var(--sheet);border-radius:0 10px 10px 10px;padding:8px 28px 24px}
.price-panel[hidden]{display:none}
.price-meta{display:flex;flex-wrap:wrap;gap:8px 32px;padding:18px 0 4px;font-size:15px;color:var(--ink-2)}
.price-meta b{color:var(--ink);font-weight:600}
.price-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-top:28px}
.price-foot p{max-width:40em;color:var(--ink-2)}

/* Задачи */
.tasks-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;align-items:start}
.tasks{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule-strong)}
.tasks li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 24px;padding:22px 0;border-bottom:1px solid var(--rule)}
.tasks h3{font-size:24px}
.tasks h3 a{text-decoration:none;background:linear-gradient(var(--cab),var(--cab)) 0 100%/100% 2px no-repeat;padding-bottom:2px}
.tasks p{color:var(--ink-2);font-size:15px;grid-column:1}
.tasks .spec{grid-column:2;grid-row:1/3;text-align:right;font:600 18px/1.35 var(--display);white-space:nowrap}
.tasks .spec span{display:block;font:400 14px var(--body);color:var(--ink-2)}
.tasks-photo{position:sticky;top:100px;margin:0;border-radius:10px;overflow:hidden}
.tasks-photo img{aspect-ratio:4/5;object-fit:cover;width:100%}
.tasks-photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:20px;background:linear-gradient(transparent,rgba(23,27,30,.85));color:#fff;font-size:15px}

/* Полный цикл */
.cycle{background:var(--ink-deep);color:#fff}
.cycle .sub{color:rgba(255,255,255,.7)}
.steps3{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s;position:relative}
.steps3 li{counter-increment:s;background:var(--ink);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.steps3 .media-slot{border-radius:0;aspect-ratio:4/3}
.step-b{padding:22px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.steps3 h3{display:flex;gap:12px;align-items:center;font-size:24px}
.steps3 h3::before{content:counter(s);font:700 16px/1 var(--display);color:#fff;background:var(--cab);width:30px;height:30px;border-radius:50%;display:inline-grid;place-items:center;flex:none}
.steps3 p{color:rgba(255,255,255,.7);font-size:15px}
.step-price{margin-top:auto!important;padding-top:12px;font:700 26px var(--display);color:#fff!important}
.media-slot{margin:0;position:relative;border-radius:10px;overflow:hidden;background:#3a4045;aspect-ratio:3/2}
.media-slot img,.media-slot video{width:100%;height:100%;object-fit:cover}
.vid-badge{position:absolute;left:12px;top:12px;background:rgba(23,27,30,.75);color:#fff;font-size:13px;padding:5px 10px;border-radius:20px;display:flex;gap:6px;align-items:center}
.vid-badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cab)}

/* Техника */
.fleet{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fleet article{background:var(--sheet);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.fleet .media-slot{border-radius:0;aspect-ratio:4/3}
.fleet-b{padding:22px 24px 24px}
.fleet h3{font-size:26px}
.fleet-n{font-size:15px;color:var(--ink-2);margin-top:4px}
.fleet dl{margin:16px 0 0}
.fleet dl div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--rule);font-size:15px}
.fleet dt{color:var(--ink-2)}
.fleet dd{margin:0;font-weight:600;text-align:right}
.fleet-wide{position:relative;margin-top:20px;border-radius:10px;overflow:hidden}
.fleet-wide img{width:100%;aspect-ratio:21/8;object-fit:cover}
.fleet-wide figcaption{position:absolute;inset:auto 0 0 0;display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:0;padding:28px 32px;background:linear-gradient(transparent,rgba(23,27,30,.9));color:#fff}
.fleet-wide figcaption div{padding-right:40px}
.fleet-wide b{display:block;font:700 34px/1 var(--display)}
.fleet-wide span{font-size:14px;color:rgba(255,255,255,.75)}

/* Объекты */
.cases{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.case{grid-column:span 2;display:flex;flex-direction:column}
.case-main{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:40px;align-items:end;margin-bottom:12px}
.case-main .media-slot{aspect-ratio:16/9}
.case .media-slot{aspect-ratio:4/3}
.case h3{margin-top:16px;color:#fff;font-size:24px}
.case-main h3{font-size:36px;margin:0}
.case p{margin-top:8px;font-size:15px}
.case-tag{display:inline-block;font-size:13px;color:#fff;background:rgba(255,255,255,.12);padding:4px 10px;border-radius:20px;margin-top:14px}
.case-nums{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:0 32px;margin:24px 0 0;border-top:1px solid var(--rule-light);padding-top:16px}
.case-nums dt{font-size:13px;color:rgba(246,246,242,.6)}
.case-nums dd{margin:4px 0 0;font:700 28px var(--display);color:#fff}
.case .case-nums dd{font-size:20px}
.logos{display:flex;flex-wrap:wrap;gap:12px 40px;align-items:center;margin-top:56px;padding-top:28px;border-top:1px solid var(--rule-light);color:rgba(255,255,255,.55);font-size:14px}
.logos b{font:600 20px var(--display);color:rgba(255,255,255,.8)}

/* Процесс */
.process{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:p;position:relative}
.process::before{content:"";position:absolute;left:0;right:0;top:27px;height:3px;background:linear-gradient(90deg,var(--cab),var(--cab) 20%,var(--rule-strong) 20%)}
.process li{counter-increment:p;padding:0 24px 0 0;position:relative}
.process li::before{content:counter(p);font:700 24px/1 var(--display);color:#fff;background:var(--ink);width:56px;height:56px;border-radius:50%;display:grid;place-items:center;margin-bottom:22px;position:relative;box-shadow:0 0 0 6px var(--concrete)}
.process li:first-child::before{background:var(--cab)}
.process h3{font-size:21px}
.process p{margin-top:8px;font-size:15px;color:var(--ink-2)}

/* Документы */
.docs{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:48px}
.docs-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.docs-list li{padding:20px 0 20px 44px;border-bottom:1px solid var(--rule);font-size:15px;color:var(--ink-2);position:relative}
.docs-list svg{position:absolute;left:0;top:20px;width:28px;height:28px;color:var(--cab)}
.docs-list b{display:block;color:var(--ink);font-weight:600;font-size:17px;margin-bottom:2px}

/* FAQ */
.faq{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:48px}
.faq-aside p{margin-top:16px;color:var(--ink-2)}
.faq-aside .btn{margin-top:24px}
.faq-list{border-top:1px solid var(--rule-strong)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;list-style:none;padding:20px 44px 20px 0;font:500 19px/1.35 var(--body);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:50%;width:12px;height:12px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease)}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq details p{padding:0 0 22px;max-width:62ch;color:var(--ink-2)}

/* Финальная форма */
.final{position:relative;background:var(--ink-deep);color:#fff;padding:112px 0;overflow:hidden}
.final-bg{position:absolute;inset:0}
.final-bg img{width:100%;height:100%;object-fit:cover;opacity:.35}
.final-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,27,30,.95),rgba(23,27,30,.6))}
.final-in{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,460px);gap:64px;align-items:center}
.final h2{max-width:15ch}
.final-copy>p{margin-top:18px;color:rgba(255,255,255,.75);max-width:34em}
.final-points{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px}
.final-points li{padding-left:30px;position:relative}
.final-points li::before{content:"";position:absolute;left:0;top:5px;width:16px;height:9px;border-left:3px solid var(--cab);border-bottom:3px solid var(--cab);transform:rotate(-45deg)}
.final-direct{margin-top:28px}
.final-direct a{color:#fff;font:700 30px var(--display);text-decoration:none}
.lead-form{display:flex;flex-direction:column;gap:8px}
.lead-form label{font-size:14px;margin-top:8px}
.lead-form label span{opacity:.6}
.final .lead-form{background:var(--sheet);color:var(--ink);padding:32px;border-radius:12px}
.lead-form-h{font:600 26px var(--display);margin-bottom:4px}
.lead-form input[type=file]{font-size:14px}
.lead-form .btn{margin-top:14px}
.form-err{color:var(--cab-deep);font-size:14px}
.form-legal{font-size:13px;color:var(--ink-2)}
.form-ok{font:600 26px/1.2 var(--display)}

/* Связанные услуги */
.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:36px}
.rel[aria-current]{display:none}
.rel{position:relative;display:block;border-radius:10px;overflow:hidden;text-decoration:none;color:#fff;aspect-ratio:4/5;background:var(--ink)}
.rel img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rel:hover img{transform:scale(1.04)}
.rel span{position:absolute;inset:auto 0 0 0;padding:20px;background:linear-gradient(transparent,rgba(23,27,30,.92));font-size:14px;color:rgba(255,255,255,.8)}
.rel b{display:block;font:600 22px/1.15 var(--display);color:#fff;margin-bottom:4px}

/* ===== Внутренние страницы ===== */
.phero{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden}
.phero-media{position:absolute;inset:0 0 0 38%}
.phero-media img,.phero-media video{width:100%;height:100%;object-fit:cover}
.phero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink-deep) 0%,rgba(23,27,30,.5) 40%,rgba(23,27,30,.1) 100%)}
.phero-in{position:relative;padding-top:40px;padding-bottom:72px;min-height:560px;display:flex;flex-direction:column;justify-content:center}
.crumbs{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:28px}
.crumbs a{color:rgba(255,255,255,.8)}
.phero h1{max-width:13ch;font-size:clamp(40px,5.4vw,76px)}
.phero .lead{max-width:30em}
.phero-price{display:flex;gap:40px;flex-wrap:wrap;margin-top:32px}
.phero-price div{border-left:3px solid var(--cab);padding-left:14px}
.phero-price b{display:block;font:700 34px/1 var(--display)}
.phero-price span{font-size:14px;color:rgba(255,255,255,.65)}
.phero .hero-cta{margin-top:36px}

/* Таблицы цен и данных */
.dtable-wrap{overflow-x:auto;border-radius:10px;background:var(--sheet)}
.dtable{width:100%;border-collapse:collapse;min-width:560px}
.dtable caption{text-align:left;font:600 24px var(--display);padding:22px 24px 8px}
.dtable th,.dtable td{text-align:left;padding:14px 24px;border-bottom:1px solid var(--rule);vertical-align:top}
.dtable thead th{font:400 13px var(--body);color:var(--ink-2);padding-top:10px;padding-bottom:10px;background:rgba(34,40,44,.04)}
.dtable tbody th{font:600 18px var(--display)}
.dtable td.num,.dtable th.num{text-align:right;font:600 18px var(--display);white-space:nowrap}
.dtable tbody tr:hover{background:#fff}
.dtable .yes{color:#2C8A4E;font-weight:600}
.dtable .no{color:var(--cab-deep);font-weight:600}
.dnote{font-size:14px;color:var(--ink-2);margin-top:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.split-media{margin:0;border-radius:10px;overflow:hidden;position:relative}
.split-media img,.split-media video{width:100%;aspect-ratio:4/3;object-fit:cover}
.prose{max-width:62ch}
.prose h2{margin-bottom:18px}
.prose p+p{margin-top:14px}
.prose ul{padding-left:20px;margin:14px 0 0}
.prose li+li{margin-top:6px}
.callout{background:var(--sheet);border-left:4px solid var(--cab);padding:22px 26px;border-radius:0 10px 10px 0;margin-top:28px}
.callout b{display:block;font:600 20px var(--display);margin-bottom:6px}
.stack{display:grid;gap:24px}

/* Мини-калькулятор погружения */
.mcalc{background:var(--ink);color:#fff;border-radius:12px;padding:28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) minmax(0,1.3fr);gap:16px;align-items:end;margin-top:24px}
.mcalc label{font-size:14px;color:rgba(255,255,255,.7);display:block;margin-bottom:8px}
.mcalc select,.mcalc input{width:100%;font:500 17px var(--body);padding:12px;border-radius:6px;border:0;background:#fff;color:var(--ink)}
.mcalc-out{font:700 34px/1 var(--display)}
.mcalc-out small{display:block;font:400 13px var(--body);color:rgba(255,255,255,.65);margin-top:6px}

/* Ямобуры */
.machines{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.machine{background:var(--sheet);border-radius:12px;overflow:hidden;display:grid;grid-template-rows:auto 1fr}
.machine img{width:100%;aspect-ratio:16/10;object-fit:cover}
.machine-b{padding:26px 28px 28px;display:flex;flex-direction:column;gap:14px}
.machine h3{font-size:30px}
.machine-price{display:flex;gap:28px;flex-wrap:wrap}
.machine-price b{display:block;font:700 30px/1 var(--display)}
.machine-price span{font-size:13px;color:var(--ink-2)}
.machine dl{margin:0}
.machine dl div{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--rule);font-size:15px}
.machine dt{color:var(--ink-2)}
.machine dd{margin:0;font-weight:600}
.machine .btn{margin-top:auto}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:var(--ink);color:#fff;border-radius:10px;padding:26px;margin:0}
.review p{color:rgba(255,255,255,.85)}
.review footer{margin-top:16px;font-size:14px;color:rgba(255,255,255,.55)}

/* Объекты-страница */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.filters button{appearance:none;border:0;font:500 15px var(--body);padding:10px 16px;border-radius:30px;background:var(--sheet);cursor:pointer;color:var(--ink)}
.filters button[aria-pressed=true]{background:var(--ink);color:#fff}
.ocards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ocard{background:var(--sheet);border-radius:12px;overflow:hidden}
.ocard[hidden]{display:none}
.ocard img{width:100%;aspect-ratio:16/9;object-fit:cover}
.ocard-b{padding:24px 26px 26px}
.ocard h3{font-size:28px}
.ocard p{margin-top:8px;color:var(--ink-2)}
.ocard dl{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:0 28px;margin:18px 0 0;padding-top:14px;border-top:1px solid var(--rule)}
.ocard dt{font-size:13px;color:var(--ink-2)}
.ocard dd{margin:2px 0 0;font:700 20px var(--display)}

/* Контакты */
.contacts{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:48px;align-items:start}
.contact-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--rule-strong)}
.contact-list li{display:grid;grid-template-columns:160px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--rule)}
.contact-list span{color:var(--ink-2);font-size:15px}
.contact-list a,.contact-list b{font:600 20px var(--display);text-decoration:none}
.map{border-radius:12px;overflow:hidden;background:var(--sheet);min-height:440px}
.map iframe{width:100%;height:440px;border:0;display:block}

/* Подвал */
.ftr{background:var(--ink-deep);color:rgba(246,246,242,.7);font-size:15px}
.ftr-in{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.4fr;gap:40px;padding-top:56px;padding-bottom:104px}
.ftr a{color:#fff;text-decoration:none}
.ftr a:hover{text-decoration:underline}
.ftr p+p{margin-top:14px}
.ftr nav{display:flex;flex-direction:column;gap:8px}
.ftr-h{font:600 15px var(--body);color:rgba(255,255,255,.5);margin-bottom:6px}
.ftr-brand{font:700 26px var(--display);color:#fff}

/* Мобильная панель */
.mbar{display:none}
@media (max-width:760px){
  .mbar{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--ink-deep);border-top:1px solid var(--rule-light)}
  .mbar a,.mbar button{appearance:none;border:0;background:transparent;color:#fff;text-decoration:none;text-align:center;padding:16px 4px calc(16px + env(safe-area-inset-bottom));font:600 15px var(--body);cursor:pointer}
  .mbar button{background:var(--cab)}
}

/* Модалка */
.modal{border:0;border-radius:14px;padding:32px;width:min(460px,calc(100vw - 32px));background:var(--sheet);color:var(--ink)}
.modal::backdrop{background:rgba(23,27,30,.7)}
.modal h2{font-size:30px;padding-right:32px}
.modal-x{position:absolute;right:12px;top:12px}
.modal-x button{border:0;background:none;font-size:30px;line-height:1;cursor:pointer;color:var(--ink);width:40px;height:40px}
.modal-calc{margin-top:12px;font-size:15px;color:var(--ink-2);background:#fff;padding:12px 14px;border-radius:6px;border-left:3px solid var(--cab)}
.modal .lead-form{margin-top:12px}

/* Адаптив */
@media (max-width:1100px){
  .hero-in{grid-template-columns:1fr;gap:40px}
  h1{max-width:14ch}
  .tasks-grid,.split,.contacts{grid-template-columns:1fr}
  .tasks-photo{position:relative;top:0}
  .tasks-photo img{aspect-ratio:16/9}
  .process{grid-template-columns:repeat(3,1fr);row-gap:40px}
  .process::before{display:none}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .mcalc{grid-template-columns:1fr 1fr}
  .mcalc-out{grid-column:1/-1}
  .phero-media{inset:0}
  .phero-media::after{background:linear-gradient(0deg,var(--ink-deep) 10%,rgba(23,27,30,.55))}
  .blk-head{grid-template-columns:1fr;gap:16px}
}
@media (max-width:760px){
  body{font-size:16px}
  .hero-in{padding-top:28px;padding-bottom:48px}
  .lead{font-size:18px}
  .facts{grid-template-columns:1fr;border-top:0}
  .facts div{border-right:0;margin:0;padding:12px 0;border-top:1px solid rgba(255,255,255,.18)}
  .rig-body{grid-template-columns:1fr}
  .section{padding:8px 14px 0;display:flex;justify-content:center}
  .section svg{max-height:300px;width:auto}
  .calc{padding:16px 16px 20px}
  .total-sum span{font-size:34px}
  .blk{padding:72px 0}
  .bores{grid-template-columns:repeat(2,1fr)}
  .bore{border-bottom:1px solid var(--rule)}
  .price-panel{padding:4px 16px 20px}
  .steps3,.fleet,.docs,.faq,.final-in,.ftr-in,.grid2,.machines,.reviews,.ocards{grid-template-columns:1fr}
  .cases{grid-template-columns:1fr}
  .case,.case-main{grid-column:auto}
  .case-main{grid-template-columns:1fr;gap:20px}
  .fleet-wide img{aspect-ratio:4/3}
  .fleet-wide figcaption{grid-template-columns:1fr 1fr;padding:18px;gap:12px}
  .fleet-wide b{font-size:26px}
  .process{grid-template-columns:1fr}
  .docs-list{grid-template-columns:1fr}
  .tasks li{grid-template-columns:1fr}
  .tasks .spec{grid-column:1;grid-row:auto;text-align:left}
  .rel-grid{grid-template-columns:1fr 1fr;gap:12px}
  .rel b{font-size:18px}
  .phero-in{min-height:0;padding-top:28px;padding-bottom:48px}
  .mcalc{grid-template-columns:1fr}
  .contact-list li{grid-template-columns:1fr;gap:4px}
  .ocard dl{grid-template-columns:repeat(2,auto)}
  .final{padding:72px 0}
  .final .lead-form{padding:22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.blk .crumbs a{color:var(--ink)}
/* Матрица цен: одна шкала диаметров для всей техники */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.pmatrix-wrap{background:var(--sheet);border-radius:10px;overflow-x:auto}
.pmatrix{width:100%;border-collapse:collapse;min-width:760px;table-layout:fixed}
.pmatrix thead td{width:22%}
.pmatrix thead th{vertical-align:bottom;text-align:left;padding:28px 12px 16px;height:190px}
.pmatrix thead .bore-c{display:block;margin-bottom:14px}
.pmatrix tbody th{text-align:left;padding:20px 12px 20px 24px;font:600 20px/1.2 var(--display);border-top:1px solid var(--rule)}
.pmatrix tbody th small{display:block;font:400 13px var(--body);color:var(--ink-2);margin-top:4px}
.pmatrix td{padding:20px 12px;border-top:1px solid var(--rule);font:700 28px var(--display);white-space:nowrap}
.pmatrix td .na{color:rgba(34,40,44,.25);font-weight:500}
.pmatrix tbody tr:hover{background:#fff}
#prices .price-meta{padding-top:18px}
.chips input:disabled+span{opacity:.3;cursor:not-allowed;text-decoration:line-through}
.chips{min-height:84px;align-content:flex-start}
.total-note{min-height:4.4em}
.pmatrix .bore-c{width:calc(var(--d) * .17px);height:calc(var(--d) * .17px)}
.pmatrix thead td,.pmatrix thead th{border:0;background:transparent}
.pmatrix thead th{height:170px}
.pmatrix thead th,.pmatrix td{text-align:center}
.pmatrix thead .bore-c{margin:0 auto 14px}
.pmatrix thead th:last-child,.pmatrix td:last-child{padding-right:20px}
.pmatrix .bore-c{width:calc(var(--d) * .16px);height:calc(var(--d) * .16px)}
.pmatrix thead th:last-child,.pmatrix td:last-child{padding-right:12px}

/* ===== Бегущая строка ===== */
.marquee{background:var(--cab);color:#fff;overflow:hidden;padding:22px 0;white-space:nowrap}
.marquee-track{display:inline-flex;align-items:center;gap:40px;will-change:transform}
.marquee span{font:700 clamp(32px,4.2vw,60px)/1 var(--display);letter-spacing:-.01em;text-transform:none}
.marquee i{width:26px;height:26px;flex:none;border-radius:50%;background:radial-gradient(circle,var(--ink-deep) 0 30%,transparent 31%),repeating-conic-gradient(#fff 0 25deg,transparent 25deg 45deg)}
html:not(.motion) .marquee-track{animation:marq 40s linear infinite}
@keyframes marq{to{transform:translateX(-50%)}}

/* ===== Трек полного цикла ===== */
.cycle-track{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:28px;position:relative;padding-top:28px}
.cycle-line{position:absolute;left:0;right:0;top:0;height:6px;background:rgba(255,255,255,.12);border-radius:3px}
.cycle-fill{position:absolute;left:0;top:0;bottom:0;width:100%;background:var(--cab);border-radius:3px;transform-origin:left;transform:scaleX(1)}
.cycle-bit{position:absolute;top:50%;left:100%;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;background:var(--cab);box-shadow:0 0 0 6px rgba(217,84,26,.25),0 0 24px rgba(217,84,26,.6)}
.cycle-track span{font:600 15px var(--body);color:rgba(255,255,255,.55);transition:color .3s}
.cycle-track span.on{color:#fff}
.steps3 li{transition:opacity .4s var(--ease),transform .4s var(--ease)}
.motion .cycle.pinned .steps3 li:not(.on){opacity:.35}
.motion .cycle.pinned .steps3 li.on{transform:translateY(-6px)}

/* ===== Подсказки ===== */
.tip{appearance:none;border:0;width:18px;height:18px;border-radius:50%;background:var(--ink);color:#fff;font:700 11px/18px var(--body);font-style:italic;text-align:center;cursor:help;padding:0;margin-left:4px;vertical-align:1px}
.tip:hover,.tip:focus-visible,.tip[aria-expanded=true]{background:var(--cab)}
.tip-text{position:fixed;z-index:120;width:min(340px,calc(100vw - 32px));background:var(--ink-deep);color:rgba(255,255,255,.88);font:400 14px/1.5 var(--body);padding:14px 16px;border-radius:10px;box-shadow:0 18px 40px -10px rgba(0,0,0,.5);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s,transform .18s,visibility 0s .18s;pointer-events:none}
.tip-text b{color:#fff;font-weight:600}
.tip-text.show{opacity:1;visibility:visible;transform:none;transition:opacity .18s,transform .18s}

/* ===== Начальные состояния анимаций (только при включённом движении) ===== */
.motion .rv-line{display:block;overflow:hidden;padding-bottom:.06em}
.motion .rv-line>span{display:block;will-change:transform}
.motion [data-reveal="img"]{clip-path:inset(100% 0 0 0)}
.motion .hero .rig{opacity:0}
.parallax-img{overflow:hidden}
.parallax-img img,.parallax-img video{will-change:transform}
.strata i{transform-origin:left}
@media (max-width:760px){.cycle-track{display:none}.marquee{padding:14px 0}}
.motion .process::before{background:linear-gradient(90deg,var(--cab) calc(var(--p,0) * 100%),var(--rule-strong) calc(var(--p,0) * 100%))}
.motion .process li::before{background:var(--ink);transition:background .35s var(--ease),transform .35s var(--ease)}
.motion .process li.lit::before{background:var(--cab);transform:scale(1.08)}
.marquee-wrap{overflow:hidden;padding:18px 0;margin:-18px 0}
.marquee{width:106%;margin-left:-3%}
@media (min-width:1100px){
  .motion .cycle{padding:64px 0}
  .motion .cycle .blk-head{margin-bottom:28px}
  .motion .cycle h2{font-size:clamp(32px,3.4vw,46px)}
  .motion .cycle .steps3 .media-slot{aspect-ratio:16/9}
  .motion .cycle .step-b{padding:18px 20px 20px}
}
.marquee-wrap{background:linear-gradient(var(--ink-deep) 50%,var(--concrete) 50%);position:relative;z-index:2}
/* Облегчённый режим для тач-устройств */
.motion-lite .hdr{backdrop-filter:none;background:var(--ink-deep)}
.motion-lite .marquee-track{animation:marq 32s linear infinite}
.motion-lite .marquee{transform:rotate(-1deg)}
@media (max-width:1100px){.hdr{backdrop-filter:none;background:var(--ink-deep)}}
.motion-lite .io-r{opacity:0;transform:translate3d(0,28px,0);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.motion-lite .io-r.in{opacity:1;transform:none}
.motion-lite .hero .rig{opacity:1}

/* ===== Первый экран v2: помещается от 700 px высоты, видео читается ===== */
.hero{overflow:clip}
.hero-media video,.hero-media img{opacity:.85}
.hero-media::after{background:linear-gradient(90deg,rgba(23,27,30,.86) 0%,rgba(23,27,30,.6) 46%,rgba(23,27,30,.3) 100%),linear-gradient(0deg,rgba(23,27,30,.55),transparent 35%)}
.hero-copy{text-shadow:0 2px 18px rgba(0,0,0,.45)}
.hero-in{grid-template-columns:minmax(0,1fr) minmax(0,620px);gap:40px;padding-top:clamp(20px,4vh,48px);padding-bottom:clamp(28px,5vh,56px)}
.hero-copy{padding-top:clamp(0px,2vh,20px)}
.hero h1{font-size:clamp(40px,min(4.8vw,8.2vh),68px)}
.kicker{margin-bottom:clamp(12px,2vh,22px)}
.kicker::before{background:var(--cab);box-shadow:0 0 0 4px rgba(217,84,26,.25)}
.hero .lead{font-size:clamp(16px,2.2vh,19px);margin-top:clamp(12px,2vh,20px)}
.hero .facts{margin-top:clamp(18px,3vh,32px)}
.hero .facts dt{font-size:clamp(22px,3.2vh,30px)}
.hero .facts dd{white-space:nowrap}
.hero .hero-cta{margin-top:clamp(18px,3.4vh,36px)}
.hero-clients{margin-top:clamp(14px,2.4vh,24px);font-size:14px;color:rgba(255,255,255,.8)}
.hero-clients span{color:rgba(255,255,255,.55);margin-right:6px}

/* Калькулятор компактнее, итог и кнопка всегда на виду */
.rig-h{padding:18px 22px 0;font-size:22px}
.rig-body{grid-template-columns:200px minmax(0,1fr)}
.section{padding:12px 0 16px 18px}
.calc{gap:14px;padding:12px 22px 0 16px}
.seg-row{grid-template-columns:1fr 1fr}
.seg-row legend{grid-column:1/-1}
.seg span{padding:9px 11px}
.chips{min-height:0}
.chips span{padding:8px 9px;font-size:15px}
.rig-foot{position:sticky;bottom:0;background:var(--sheet);padding:12px 0 18px;margin-top:auto;border-radius:0 0 12px 12px;z-index:2}
.rig-foot .total{padding-top:12px}
.rig-foot .total-sum span{font-size:clamp(30px,4.4vh,40px)}
.rig-foot .total-note{min-height:0;margin:6px 0 12px;font-size:13px}
.rig-foot .btn{padding:15px 20px}
.depth-tag rect{fill:#fff;opacity:.92}
@media (max-width:1100px){.rig-body{grid-template-columns:1fr}.hero .facts dd{white-space:normal}}
@media (max-width:1100px){
  .hero-in{grid-template-columns:1fr}
  .rig-foot{position:static;padding-bottom:20px}
}
@media (max-width:760px){.seg-row{grid-template-columns:1fr}.calc{padding:12px 16px 0}}
@media (max-width:760px){
  .hero .facts{grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.2)}
  .hero .facts div{border-top:0;padding:12px 8px 0 0;margin:0;border-right:1px solid rgba(255,255,255,.12)}
  .hero .facts div:last-child{border-right:0}
  .hero .facts dt{font-size:20px;white-space:normal}
  .hero .facts dd{font-size:12px;white-space:normal}
}
@media (max-width:760px){.rig-h small{display:none}}
/* Фото в «Под какие задачи» — по высоте списка, без пустоты */
@media (min-width:1101px){
  .tasks-grid{align-items:stretch}
  .tasks-photo{position:relative;top:0;height:100%}
  .tasks-photo img{aspect-ratio:auto;height:100%;width:100%;object-fit:cover;object-position:50% 40%}
}

/* ===== v2: плитка срезов, статьи, хабы ===== */
nav.crumbs{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:28px}
nav.crumbs a{color:rgba(255,255,255,.8)}
.tiles-row{display:grid;grid-template-columns:200px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--rule)}
.tiles-row:first-of-type{margin-top:28px}
.tiles-h{font:600 16px/1.3 var(--display);color:var(--ink-2);text-transform:uppercase;letter-spacing:.04em;padding-top:8px}
.tiles{display:flex;flex-wrap:wrap;gap:8px}
.tiles a{display:inline-block;padding:9px 14px;border-radius:4px;background:var(--sheet);box-shadow:inset 0 0 0 1.5px var(--rule);color:var(--ink);text-decoration:none;font:500 15px/1.2 var(--body);transition:background .2s,color .2s}
.tiles a:hover{background:var(--ink);color:#fff}
@media (max-width:760px){.tiles-row{grid-template-columns:1fr;gap:8px}}
.art-meta{font-size:14px;color:rgba(255,255,255,.6);margin:-6px 0 14px}
.art-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:0 40px}
.art-list li{padding:18px 0;border-top:1px solid var(--rule)}
.art-list a{display:block;font:600 21px/1.25 var(--display);color:var(--ink);text-decoration:none;margin-bottom:6px}
.art-list a:hover{color:var(--cab)}
.art-list span{font-size:15px;color:var(--ink-2)}
.article{display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;align-items:start}
.article .toc{position:sticky;top:96px;font-size:14px}
.toc p{font:600 14px var(--display);text-transform:uppercase;letter-spacing:.05em;color:var(--ink-2);margin-bottom:10px}
.toc ol{margin:0;padding-left:18px}
.toc li+li{margin-top:8px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--cab)}
.article .prose{max-width:72ch}
.prose h2{margin-top:48px;scroll-margin-top:90px}
.prose h2:first-child{margin-top:0}
.prose h3{margin:28px 0 10px;font-size:22px}
.prose ol{padding-left:22px;margin:14px 0 0}
.prose ol li+li{margin-top:6px}
.prose .dtable-wrap{margin:22px 0}
.prose figure{margin:26px 0}
.prose figure img,.prose figure svg{width:100%;height:auto;border-radius:10px;display:block}
.prose figcaption{font-size:14px;color:var(--ink-2);margin-top:8px}
.prose a{color:var(--cab-deep)}
.prose blockquote{margin:24px 0;padding:18px 24px;background:var(--sheet);border-left:4px solid var(--cab);border-radius:0 10px 10px 0}
.prose .callout{margin:26px 0}
.keyfacts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:24px 0}
.keyfacts div{background:var(--sheet);border-radius:10px;padding:18px}
.keyfacts b{display:block;font:700 28px/1 var(--display);margin-bottom:6px}
.keyfacts span{font-size:14px;color:var(--ink-2)}
@media (max-width:1000px){.article{grid-template-columns:1fr;gap:24px}.article .toc{position:static;background:var(--sheet);padding:18px;border-radius:10px}}
.ftr-in{grid-template-columns:1.3fr repeat(5,1fr);gap:32px}
.ftr-in nav a{font-size:14px}
.ftr-legal{grid-column:1/-1;display:flex;gap:48px;flex-wrap:wrap;border-top:1px solid var(--rule-light);padding-top:24px}
.ftr-legal p+p{margin-top:0}
@media (max-width:1240px){.ftr-in{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.ftr-in{grid-template-columns:1fr 1fr}.ftr-in>div:first-child{grid-column:1/-1}}
@media (max-width:1640px) and (min-width:1241px){.nav{gap:14px;font-size:14px}.hdr-phone small{display:none}}
@media (max-width:1440px) and (min-width:1241px){.logo span small{display:none}.hdr-in{gap:18px}.btn-sm{padding-left:14px;padding-right:14px}}
/* Меню «Услуги» */
.mega{position:relative}
.mega-btn{background:none;border:0;color:rgba(255,255,255,.72);font:inherit;padding:6px 18px 6px 0;cursor:pointer;position:relative}
.mega-btn::after{content:"";position:absolute;right:2px;top:50%;width:7px;height:7px;border:solid currentColor;border-width:0 1.5px 1.5px 0;transform:translateY(-70%) rotate(45deg)}
.mega-btn:hover,.mega:hover .mega-btn{color:#fff}
.mega-panel{display:none;position:absolute;left:-24px;top:100%;margin-top:18px;background:var(--ink-deep);border:1px solid var(--rule-light);border-radius:10px;padding:24px 28px;grid-template-columns:repeat(4,minmax(170px,auto));gap:24px 32px;box-shadow:0 24px 60px rgba(0,0,0,.35);white-space:normal}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:-20px;height:20px}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.open .mega-panel{display:grid}
.mega-panel p{font:600 13px var(--body);color:rgba(255,255,255,.45);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}
.mega-panel a{display:block;color:rgba(255,255,255,.82);text-decoration:none;font-size:15px;padding:5px 0;border:0}
.mega-panel a:hover,.mega-panel a[aria-current]{color:var(--cab)}
@media (max-width:1240px){
  .mega-btn{display:none}
  .mega-panel{display:grid;position:static;margin:0;padding:8px 0 16px;border:0;box-shadow:none;background:none;grid-template-columns:1fr;gap:14px}
  .mega-panel a{font-size:18px;padding:6px 0}
}
@media (max-width:1000px){.article{grid-template-columns:minmax(0,1fr)}}
@media (max-width:1100px){.grid2,.split{grid-template-columns:minmax(0,1fr);gap:28px}}
.dtable-wrap{max-width:100%;overflow-x:auto}
.prose svg{max-width:100%;height:auto}
html,body{overflow-x:clip}
.phero-art h1{font-size:clamp(32px,3.6vw,52px);line-height:1.08;max-width:22ch}
.phero h1{max-width:20ch}
/* Первый экран: темнее под текстом, видео справа остаётся видимым */
.hero-media::after{background:linear-gradient(90deg,rgba(23,27,30,.93) 0%,rgba(23,27,30,.86) 30%,rgba(23,27,30,.66) 50%,rgba(23,27,30,.38) 100%),linear-gradient(0deg,rgba(23,27,30,.6),transparent 35%)}
.hero-copy{text-shadow:0 1px 2px rgba(0,0,0,.5),0 2px 18px rgba(0,0,0,.55)}
.hero .lead{color:rgba(255,255,255,.94)}
.hero .facts dd{color:rgba(255,255,255,.82)}
.hero .kicker{color:rgba(255,255,255,.9)}
.hero-clients{color:rgba(255,255,255,.92)}
.hero-clients span{color:rgba(255,255,255,.72)}
@media (max-width:760px){.hero-media::after{background:linear-gradient(0deg,rgba(23,27,30,.92) 0%,rgba(23,27,30,.78) 55%,rgba(23,27,30,.6) 100%)}}
/* Поле «Проект или схема» */
.lead-form input[type=file]{width:100%;font:500 15px var(--body);color:var(--ink-2);background:#fff;border:1.5px dashed var(--rule-strong);border-radius:6px;padding:8px;cursor:pointer;transition:border-color .2s,background .2s}
.lead-form input[type=file]:hover{border-color:var(--cab);background:var(--sheet)}
.lead-form input[type=file]:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.lead-form input[type=file]::file-selector-button{font:600 15px var(--body);color:#fff;background:var(--ink);border:0;border-radius:4px;padding:9px 14px;margin-right:12px;cursor:pointer;transition:background .2s}
.lead-form input[type=file]:hover::file-selector-button{background:var(--cab)}
/* Вертикальный ритм между блоками внутри секции: таблица, текст, сетки, выноски */
.blk .wrap > :is(.dtable-wrap,.prose,.grid2,.split,.callout,.keyfacts,.stack,p,h3,ul,ol,figure) + :is(.dtable-wrap,.prose,.grid2,.split,.callout,.keyfacts,.stack,p,h3,ul,ol,figure){margin-top:28px}
.blk .wrap > h3{margin-bottom:12px}
.grid2 > :is(.prose,div) > .dtable-wrap + *{margin-top:20px}
.grid2 .dtable-wrap + .dtable-wrap{margin-top:24px}
.prose > .dtable-wrap + *{margin-top:22px}

/* ===== Полировка по чек-листу Hallmark: доступность и «машинные» приёмы ===== */
:root{--cab-btn:#C84C14}
.btn:not(.btn-ghost){background:var(--cab-btn)}
.btn:not(.btn-ghost):hover{background:var(--cab-deep)}
.mbar button{background:var(--cab-btn)}
.btn:disabled,.btn[disabled]{background:var(--ink-2);color:#fff;opacity:1}
.skip{left:8px;transform:translateY(-200%)}
.skip:focus,.skip:focus-visible{left:8px;transform:none}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--cab);outline-offset:2px;transition:none}
.calc input[type=number]:focus-visible,.lead-form :is(input,textarea,select):focus-visible{outline:3px solid var(--cab);outline-offset:1px}
.kicker::before,.vid-badge::before{display:none}
.tiles-h,.toc p,.mega-panel p{text-transform:none;letter-spacing:0}
.tiles-h{font:600 15px/1.3 var(--body)}
.toc p{font:600 15px var(--body)}
.mega-panel p{font:500 14px var(--body);color:rgba(255,255,255,.6)}
.art-meta{display:flex;flex-wrap:wrap;gap:4px 20px}
.lead-form label span{opacity:1;color:var(--ink-2)}
.final .lead-form label span,.modal .lead-form label span{color:var(--ink-2)}
.calc input[type=number],.lead-form input[type=text],.lead-form input[type=tel],.lead-form input[type=date],.lead-form textarea,.lead-form select{box-shadow:inset 0 0 0 1.5px rgba(34,40,44,.6)}
.lead-form input[type=file]{border-color:rgba(34,40,44,.6)}
.faq-aside p,.form-legal,.dnote,.sub{color:var(--ink-2)}
@media (max-width:640px){.btn{font-size:15px;padding-left:14px;padding-right:14px;text-align:center}}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none!important}}
@media (max-width:640px){.phero .hero-cta .btn,.hero .hero-cta .btn{width:100%}}
.prose a{color:#A23A0C}
.dtable .yes{color:#22703F}
.btn:not(.btn-sm){padding-top:15px;padding-bottom:15px}

/* Consent and lead feedback retain the existing site palette. */
.lead-form .lead-consent{grid-column:1/-1;margin:12px 0}
.lead-form .consent-label{display:flex;align-items:flex-start;gap:10px;font:400 14px/1.5 'Golos Text',sans-serif;color:inherit;cursor:pointer}
.lead-form .consent-label input[type=checkbox]{appearance:auto;flex:0 0 20px;width:20px;height:20px;min-height:20px;margin:2px 0 0;accent-color:var(--cab);padding:0}
.lead-consent a,.form-legal a{text-decoration:underline;text-underline-offset:3px}
.lead-form .form-legal,.lead-form .form-file-note{font-size:12px;line-height:1.5;margin:6px 0;color:inherit;opacity:.85}
.lead-form .form-status{grid-column:1/-1;padding:16px;border:1px solid currentColor;line-height:1.5}
.form-honeypot{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.lead-form [aria-invalid=true]{outline:2px solid #b33b1d;outline-offset:2px}
.lead-form button:disabled{opacity:.65;cursor:wait}
.article-text{max-width:960px}.article-text h2{margin-top:2em}.article-text p,.article-text li{max-width:80ch;line-height:1.7}.article-text ul{padding-left:24px}.site-map{padding-left:24px}.site-map ul{padding-left:24px;margin:12px 0 24px}.site-map li{line-height:1.7}.map-on-demand{padding:32px;background:var(--concrete)}