/* «Заводська документація». Fonts: IBM Plex Sans (variable: wght 400–600, wdth 80–100) and IBM Plex Mono 400/500,
   OFL, self-hosted, subset latin + cyrillic + cyrillic-ext (tools/fonts/build.py). */
/* two files by unicode-range: the main one (basic Latin + Ukrainian Cyrillic + punctuation) is preloaded; the extended
   one (Latin-1 extras, cyrillic-ext) is fetched only if a page uses such characters */
@font-face{font-family:"Plex Sans";font-style:normal;font-weight:400 600;font-stretch:80% 100%;font-display:swap;src:url(/fonts/plex-sans-ext.woff2) format("woff2");unicode-range:U+00A1-00A8,U+00AA,U+00AC,U+00AE-00AF,U+00B1-00B6,U+00B8-00BA,U+00BC-00D6,U+00D8-00FF,U+0131,U+0152-0153,U+02BB,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+0460-052F,U+1C80-1C8A,U+2000-2012,U+2015-2017,U+201A-201B,U+201F-2025,U+2027-206F,U+20AC,U+2191,U+2193,U+2212,U+2215,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F,U+FEFF,U+FFFD}
@font-face{font-family:"Plex Sans";font-style:normal;font-weight:400 600;font-stretch:80% 100%;font-display:swap;src:url(/fonts/plex-sans.woff2) format("woff2");unicode-range:U+0020-007E,U+00A0,U+00A9,U+00AB,U+00AD,U+00B0,U+00B7,U+00BB,U+00D7,U+02BC,U+0301,U+0400-045F,U+0490-0491,U+2013-2014,U+2018-2019,U+201C-201E,U+2026,U+20B4,U+2116,U+2122,U+2192}
@font-face{font-family:"Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/plex-mono-400.woff2) format("woff2")}
@font-face{font-family:"Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/plex-mono-500.woff2) format("woff2")}
/* Fallbacks with Plex metrics (measured on Ukrainian + Latin text vs Arial / Arial Bold / Courier New), so the swap
   does not re-wrap lines (no layout shift). The display one matches the 80 % width, weight 600 headings. */
@font-face{font-family:"Plex Sans Fallback";src:local("Arial");size-adjust:102.3%;ascent-override:100.2%;descent-override:26.9%;line-gap-override:0%}
@font-face{font-family:"Plex Display Fallback";src:local("Arial Bold"),local("Arial-BoldMT");font-weight:600;size-adjust:91.5%;ascent-override:112.1%;descent-override:30.1%;line-gap-override:0%}
@font-face{font-family:"Plex Mono Fallback";src:local("Courier New");size-adjust:100%;ascent-override:102.5%;descent-override:27.5%;line-gap-override:0%}

/* Tokens. --brand: the blue of the client's equipment frames, median of 5 frames of the «Подаватель бревен и колод»
   video (work/brand/pick.py); white text on it 8.2:1. Exact paint number — TODO.md.
   --grain (yellow): only the material flow in animations and :focus-visible. */
:root{
  --paper:#F3F4F2; --ink:#14191C;
  --zinc-100:#E8EAE9; --zinc-200:#DCDFDE; --zinc-300:#C6CBCB; --zinc-400:#A1A9AC; --zinc-500:#7B858A; --zinc-600:#566168; --zinc-700:#363F44;
  --rule:#C3C9C9; --brand:#224D95; --brand-hover:#1B3F7B; --brand-text:#224D95; --on-brand:#FFFFFF;
  --grain:#E3A23B; --grain-ink:#5B3A05; --err:#B3261E;
  /* legacy names used across the stylesheets → the new tokens */
  --bg:var(--paper); --surface:var(--zinc-100); --line:var(--rule); --muted:var(--zinc-600);
  --panel:#1C2327; --panel-line:#56636A; --on-panel:#DCE2E2;
  --sans:"Plex Sans","Plex Sans Fallback",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --display:"Plex Sans","Plex Display Fallback",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --body:var(--sans);
  --mono:"Plex Mono","Plex Mono Fallback",ui-monospace,"Courier New",monospace;
  --shadow:none; --r:2px;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#111517; --ink:#E5E9E9;
    --zinc-100:#1A2023; --zinc-200:#222A2E; --zinc-300:#2E383D; --zinc-400:#4A565C; --zinc-500:#717D83; --zinc-600:#9DA8AD; --zinc-700:#C7CED1;
    --rule:#2C363B; --brand:#2B5AA8; --brand-hover:#3466B8; --brand-text:#9DB9EC;
    --grain:#EDB04A; --grain-ink:#1A1205; --err:#FF9C8F; --panel:#0B0F11; --panel-line:#4A5F6A; --on-panel:#CBD5D6; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#111517; --ink:#E5E9E9;
  --zinc-100:#1A2023; --zinc-200:#222A2E; --zinc-300:#2E383D; --zinc-400:#4A565C; --zinc-500:#717D83; --zinc-600:#9DA8AD; --zinc-700:#C7CED1;
  --rule:#2C363B; --brand:#2B5AA8; --brand-hover:#3466B8; --brand-text:#9DB9EC;
  --grain:#EDB04A; --grain-ink:#1A1205; --err:#FF9C8F; --panel:#0B0F11; --panel-line:#4A5F6A; --on-panel:#CBD5D6; color-scheme:dark;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:calc(env(safe-area-inset-top,0px) + var(--top-h) + 12px)}
.has-tabs{scroll-padding-top:calc(env(safe-area-inset-top,0px) + var(--top-h) + 62px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);font-stretch:100%;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
img{border-radius:var(--r)}
a{color:inherit}
:focus-visible{outline:2px solid var(--grain);outline-offset:3px;border-radius:var(--r)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
@media (max-width:400px){.wrap{padding:0 16px}}
/* type scale: headings Plex Sans 80 % width, 600, 1.05 */
h1,h2,h3{font-family:var(--display);font-stretch:80%;font-weight:600;line-height:1.05;margin:0;letter-spacing:0}
h1{font-size:clamp(36px,4.4vw,56px)}
h2{font-size:clamp(26px,3vw,38px);max-width:24ch}
h3{font-size:20px}
p{margin:0}
small,.small{font-size:14px}
.mono,code,kbd{font-family:var(--mono);font-weight:500;font-stretch:normal}
section{padding:80px 0}
.page-home section{padding:80px 0}
.pt0{padding-top:0!important}
.muted{color:var(--muted)}
.intro{margin-top:14px;color:var(--muted);max-width:56ch}
.skip{position:absolute;left:-9999px;top:8px;z-index:50;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:var(--r);font-weight:600}
.skip:focus{left:16px}

/* header */
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-mark{display:inline-grid;place-items:center;height:38px;padding:0 10px;border-radius:var(--r);background:var(--panel);color:var(--brand-text);font:700 17px/1 var(--display);letter-spacing:.02em}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:var(--r);border:0;font:600 16px var(--body);text-decoration:none;cursor:pointer}
.btn-main{background:var(--brand);color:var(--brand-text)}
.btn-main:hover{filter:none}
.btn-main[disabled]{opacity:.6;cursor:progress}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:none}
.btn-ghost:hover{box-shadow:none}

/* inner-page hero */
.crumbs{font-size:14px;color:var(--muted);padding-top:28px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:0 6px}
.crumbs li+li::before{content:"/";margin-right:6px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.page-hero{padding:24px 0 64px}
.page-hero h1{font-size:clamp(34px,6vw,72px);font-weight:700;margin-top:18px;overflow-wrap:anywhere;hyphens:auto}
.page-hero .lead{margin-top:20px;font-size:19px;color:var(--muted);max-width:52ch}

.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.section-head p{color:var(--muted);max-width:44ch}

/* services */
/* principles + steps */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.principles{list-style:none;margin:28px 0 0;padding:0}
.principles li,.repair li{padding:14px 0 14px 28px;border-top:1px solid var(--line);position:relative}
.principles li::before,.repair li::before{content:"";position:absolute;left:0;top:26px;width:14px;border-top:1.5px solid var(--ink)}
.steps{counter-reset:s;list-style:none;margin:0;padding:0}
.steps li{counter-increment:s;display:grid;grid-template-columns:52px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.steps li::before{content:counter(s);font:700 26px/1 var(--display);color:var(--brand-text)}
.steps p{color:var(--muted);font-size:15px;margin-top:4px}
@media (max-width:860px){.split{grid-template-columns:1fr}}

/* video strip */
.video{padding:0 0 80px}
.video a{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:22px 24px;border-radius:var(--r);border:1.5px solid var(--ink);color:var(--ink);text-decoration:none}
.video a:hover{background:var(--zinc-100)}
.video b{font-family:var(--display);font-weight:600;font-size:20px}
.video .play{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--brand);flex:none}

/* contact + form */
.contact{background:var(--surface)}
.contact .split{align-items:start}
.contact-phones{margin-top:28px;display:grid;gap:10px}
.contact-phones a{font:700 clamp(22px,3vw,30px)/1.2 var(--display);text-decoration:none}
.contact-note{margin-top:18px;color:var(--muted);font-size:15px;max-width:40ch}
.lead-form{display:grid;gap:16px;background:var(--bg);padding:28px;border-radius:var(--r);border:1px solid var(--line)}
@media (max-width:400px){.lead-form{padding:20px}}
.lead-form label{display:grid;gap:6px;font-weight:500;font-size:15px}
input[type=search],input[type=text],input[type=tel],input[type=number],input[type=email],select,textarea{font:400 16px var(--body);color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:var(--r);padding:12px 14px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--grain)}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--grain);outline-offset:1px}
textarea{min-height:110px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.row{grid-template-columns:1fr}}
.err{color:var(--err);font-size:14px;min-height:1em}
.ok{padding:24px;border-radius:var(--r);background:var(--bg);border:1px solid var(--line);border-left:4px solid var(--brand)}
.ok p{margin-top:8px}
.fine{font-size:13px;color:var(--muted)}
.fine a{text-underline-offset:3px}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}

/* photo placeholder / photo */
.photo{margin:48px 0 0;background:var(--panel);border-radius:var(--r);overflow:hidden;aspect-ratio:16/7;display:grid;place-items:center;color:var(--on-panel)}
.photo img{width:100%;height:100%;object-fit:cover;display:block}
.photo .ph{display:grid;gap:10px;justify-items:center;text-align:center;padding:24px;font-size:15px;opacity:.85}
@media (max-width:600px){.photo{aspect-ratio:4/3}}

/* repair */
.repair{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.repair ul{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--line)}
.repair .box{border:1.5px solid var(--ink);border-radius:var(--r);padding:24px;color:var(--ink)}
.repair .box p{margin-top:10px;font-size:15px;color:var(--muted)}
.repair .box a{display:inline-block;margin-top:18px;font:500 22px/1.2 var(--mono);color:var(--brand-text);text-decoration:none}
@media (max-width:860px){.repair{grid-template-columns:1fr}}

/* other */
.other ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.other li a{display:block;padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:500;margin-right:24px}
.other li a:hover{color:var(--brand-text);text-decoration:underline;text-decoration-color:var(--brand-text);text-decoration-thickness:2px;text-underline-offset:5px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .other li a:hover{color:var(--brand-text)}}
:root[data-theme="dark"] .other li a:hover{color:var(--brand-text)}
@media (max-width:760px){.other ul{grid-template-columns:1fr}.other li a{margin-right:0}}

/* text pages */
.prose{max-width:68ch}
.prose h2{margin-top:40px;font-size:24px;max-width:none}
.prose p,.prose ul{margin-top:14px}
.todo{margin-top:24px;padding:18px;border-radius:var(--r);border:1.5px dashed var(--brand);background:var(--surface)}

.mt{margin-top:28px}
.specs caption{caption-side:bottom;text-align:left;padding-top:12px}
.h3{font-size:19px;font-weight:500;max-width:none}


/* photos from catalog: product shots, keep them whole */
.photo img{object-fit:contain;background:var(--surface)}
.svc-feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.photo-side{margin:0;aspect-ratio:4/3}
@media (max-width:860px){.svc-feature{grid-template-columns:1fr}}
.pos-specs dd.price{font-weight:600;color:var(--ink);white-space:nowrap}

/* ===== Редизайн 2026: інтерактивність, мобільне меню, картки, футер ===== */
:root{--ease-out:cubic-bezier(.23,1,.32,1);--shadow:0 1px 2px rgb(16 24 28/.06),0 8px 24px -12px rgb(16 24 28/.18)}
body{-webkit-tap-highlight-color:transparent}
h1,h2{text-wrap:balance}
.lead,.intro,.section-head p{text-wrap:pretty}

/* кнопки: колір плавно, відгук на натискання */
.btn{transition:transform .16s var(--ease-out),filter .15s ease,box-shadow .15s ease,background-color .15s ease;touch-action:manipulation;user-select:none}
.btn:active:not([disabled]){transform:scale(.97)}
.btn-main{box-shadow:none}


/* блоки з панеллю */
.anatomy,.summary,.repair .box,.photo,.video a,.lead-form{border-radius:var(--r)}
.lead-form{box-shadow:none}
.video a{transition:transform .2s var(--ease-out)}
.video .play{transition:transform .2s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.video a:hover .play{transform:scale(1.08)}}
.steps li::before{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:color-mix(in srgb,var(--brand) 18%,transparent);font-size:18px}

/* поява секцій при прокрутці (клас reveal ставить site.js, тільки якщо рух дозволено) */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}
.reveal.in{opacity:1;transform:none}

/* липка панель дзвінка на телефоні */
.callbar{display:none}
@media (max-width:760px){
  .callbar{display:grid;grid-template-columns:1fr 1.4fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:25;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
  .callbar .btn{min-height:48px;padding:0 12px}
  body{padding-bottom:76px}
  body.menu-open .callbar{display:none}
}

@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.btn:active{transform:none}}

/* відео */
.videos{padding-bottom:40px}
.vgrid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px 20px}
@media (max-width:900px){.vgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.vgrid{grid-template-columns:1fr}}
.vgrid p{margin-top:10px;font-weight:500;font-size:15px;line-height:1.4}
.yt,.yt-frame{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:var(--r);overflow:hidden;background:var(--panel)}
.yt{position:relative;padding:0;cursor:pointer}
.yt img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s var(--ease-out),filter .2s ease}
.yt::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgb(0 0 0/.35))}
.yt .play{position:absolute;left:50%;top:50%;z-index:1;display:grid;place-items:center;width:60px;height:60px;margin:-30px 0 0 -30px;border-radius:50%;background:var(--brand);box-shadow:none;transition:transform .2s var(--ease-out)}
.yt .play svg{margin-left:3px}
@media (hover:hover) and (pointer:fine){.yt:hover img{transform:scale(1.04)}.yt:hover .play{transform:scale(1.1)}}
.yt:active .play{transform:scale(.95)}
.video-after{padding-top:0}
.hero-video video{width:100%;height:100%;object-fit:cover;display:block}

/* ===== Модальна форма заявки ===== */
.modal{border:0;padding:0;margin:auto;width:min(520px,calc(100% - 32px));max-height:calc(100dvh - 32px);border-radius:var(--r);background:var(--bg);color:var(--ink);box-shadow:none}
.modal::backdrop{background:rgb(15 22 26/.55)}
.modal[open]{animation:modal-in .22s var(--ease-out)}
@keyframes modal-in{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.modal-box{padding:24px}
.modal-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}
.modal-head h2{font-size:22px;max-width:none}
.modal-x{display:grid;place-items:center;width:44px;height:44px;margin:-8px -10px -8px 0;border:0;border-radius:var(--r);background:none;color:var(--muted);cursor:pointer}
.modal-x:hover{background:var(--surface);color:var(--ink)}
.modal-form{display:grid;gap:14px}
.modal-form label{display:grid;gap:6px;font-weight:500;font-size:15px}
.modal-form textarea{min-height:90px}
.req-list{margin-bottom:16px;padding:12px 14px;border-radius:var(--r);background:var(--surface)}
.req-h{font-weight:600;font-size:14px;color:var(--muted);margin-bottom:6px}
.req-list ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.req-list li{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:15px}
.req-list li a{text-decoration:none;font-weight:500}
.req-x{flex:none;width:36px;height:36px;border:0;border-radius:var(--r);background:none;color:var(--muted);font-size:20px;cursor:pointer}
.req-x:hover{background:var(--bg);color:var(--err)}
@media (prefers-reduced-motion:reduce){.modal[open]{animation:none}}

/* ===== Головна: задачі, послуги, кроки ===== */
.tasks{padding-top:24px}

.steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.steps-row li{grid-template-columns:1fr;gap:12px;border-top:2px solid var(--line);padding-top:20px}
@media (max-width:900px){.steps-row{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps-row{grid-template-columns:1fr}}
.hero .actions .btn{min-width:240px}
.pb0{padding-bottom:0!important}
.about-facts{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;margin:24px 0 0}
.about-facts dt{color:var(--muted)}
.about-facts dd{margin:0;font-weight:500}

/* ===== Футер: 4 колонки ===== */
.foot{padding:56px 0 28px;border-top:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:15px}
.foot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.foot-grid > *{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.foot-h{font:700 13px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--ink);margin-bottom:6px;max-width:none}
.foot a{text-decoration:none;transition:color .15s ease;line-height:1.4;padding:2px 0}
.foot a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.foot-tel{color:var(--ink);font-weight:600}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:14px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.foot-grid{grid-template-columns:1fr}}
.callbar button{font:600 16px var(--body)}
input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
input[type=search]{-webkit-appearance:none;appearance:none}
.foot h2.foot-h,.page-home .foot h2.foot-h{font-size:13px;font-weight:700!important;letter-spacing:.08em;max-width:none}

/* ===== Анімації 2. Роздільник секцій: розмірна лінія зі стрілками і підписом «А–А» ===== */
.cut{display:flex;align-items:center;gap:0;color:var(--muted);height:24px;margin-top:8px;margin-bottom:8px}
.cut-line{flex:1;height:1px;background:currentColor;opacity:.55}
.cut-l{transform-origin:right center}
.cut-r{transform-origin:left center}
.cut-arr{flex:none;width:10px;height:10px}
.cut-arr path{fill:none;stroke:currentColor;stroke-width:1.2;opacity:.75}
.cut-lbl{flex:none;padding:0 14px;font:600 12px/1 var(--body);letter-spacing:.12em;color:var(--muted)}
/* before (set by motion.js only for dividers below the fold) → drawn: 600 ms */
.cut.cut-pre .cut-line{transform:scaleX(0)}
.cut.cut-pre .cut-arr,.cut.cut-pre .cut-lbl{opacity:0}
.cut.cut-go .cut-line{transition:transform .6s var(--ease-out)}
.cut.cut-go .cut-arr{transition:opacity .2s ease .45s}
.cut.cut-go .cut-lbl{transition:opacity .25s ease .2s}

/* ===== Анімації 3. «Як ми працюємо»: кроки на стрічці конвеєра ===== */
.belt{position:relative;margin-top:28px}
.belt svg{display:block;overflow:visible}
.belt-ln{fill:none;stroke:var(--panel-line);stroke-width:1.5}
.belt-mark{fill:none;stroke:var(--ink);stroke-width:2;stroke-dasharray:10 14;opacity:.55}
.belt-load{fill:var(--grain)}
.belt .belt-v{display:none;position:absolute;left:0;top:0;height:100%}
.belt .steps-row{margin-top:12px}
.belt .steps-row li{border:1.5px solid transparent;border-top:2px solid var(--line);border-radius:0;padding:20px 14px 18px}
.belt .steps-row li.on{border-color:var(--brand-text);border-radius:var(--r)}
@media (max-width:900px){
  .belt .belt-h{display:none}
  .belt .belt-v{display:block}
  .belt{padding-left:40px}
  .belt .steps-row{grid-template-columns:1fr;margin-top:0;gap:12px}
}

/* ===== Анімації 5. Картки каталогу: механізм в іконці оживає на 2,5 с ===== */
.cat-name{display:flex;align-items:center;gap:10px}
.cat-ico{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:var(--r);background:color-mix(in srgb,var(--brand) 18%,transparent)}
.cat-ico svg{display:block}
.mi-ln{fill:none;stroke:var(--brand-text);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.mi-fill{fill:var(--brand-text)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .mi-ln{stroke:var(--brand-text)}:root:not([data-theme="light"]) .mi-fill{fill:var(--brand-text)}}
:root[data-theme="dark"] .mi-ln{stroke:var(--brand-text)}
:root[data-theme="dark"] .mi-fill{fill:var(--brand-text)}
.mi-spin{transform-box:view-box;transform-origin:20px 20px}
/* one period per loop → seamless; runs only while the card has .mech-on */
@keyframes mi-up{to{transform:translateY(-8px)}}
@keyframes mi-down{to{transform:translateY(8px)}}
@keyframes mi-right{to{transform:translateX(8px)}}
@keyframes mi-diag{to{transform:translate(7px,5.5px)}}
@keyframes mi-spin{to{transform:rotate(45deg)}}
.mech-on .mi-up{animation:mi-up .5s linear infinite}
.mech-on .mi-down{animation:mi-down .45s linear infinite}
.mech-on .mi-right{animation:mi-right .5s linear infinite}
.mech-on .mi-diag{animation:mi-diag .4s linear infinite}
.mech-on .mi-spin{animation:mi-spin .6s linear infinite}
@media (prefers-reduced-motion:reduce){.mech-on .mi-move{animation:none}}

/* ===== Анімації 6. Форма: бункер наповнюється за кількістю заповнених полів ===== */
.lead-submit{display:flex;align-items:center;gap:14px}
.lead-submit .btn{flex:1}
.hopper{flex:none;display:block;overflow:visible}
.hopper-ln{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
.hopper-grain{fill:var(--grain);transform:translateY(38px)}
.hopper-live .hopper-grain{transition:transform .4s var(--ease-out)}
/* after sending: the grain is lifted out of the hopper (0.9 s), then the success message replaces the form */
.hopper-lift .hopper-grain{transform:translateY(-44px)!important;opacity:0;transition:transform .9s var(--ease-in-out,cubic-bezier(.77,0,.175,1)),opacity .3s ease .6s}

/* ===== Анімації 7. Відео: на мобільному — горизонтальний scroll-snap, на ≥1024 px — секція закріплюється ===== */
@media (max-width:1023px){
  .vstrip .vgrid{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none;margin:0 -16px;padding:0 16px 6px;scroll-padding:0 16px}
  .vstrip .vgrid::-webkit-scrollbar{display:none}
  .vstrip .vgrid li{flex:0 0 min(78%,340px);scroll-snap-align:start}
}
@media (min-width:1024px){
  .vpin-live .vpin-stage{position:sticky;top:var(--top-h);min-height:calc(100svh - var(--top-h));display:flex;align-items:center;overflow:hidden}
  .vpin-live .vpin-stage > .wrap{width:100%}
  .vpin-live .vgrid{display:flex;gap:20px;overflow:visible}
  .vpin-live .vgrid li{flex:0 0 400px}
}

/* ===== Анімації 8. Прогрес читання: лінія 2 px під шапкою (категорії та послуги) ===== */
.readbar{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none;display:none}
.readbar-live{display:block}
.readbar span{display:block;height:100%;background:var(--brand);transform:scaleX(0);transform-origin:left center}

/* ===== Шапка: один рядок, 72 px → 60 px при прокрутці ===== */
/* The header is fixed and the page has a constant top padding, so the compact header (60 px) never moves
   the content (CLS 0). --top-h = 60 px is the offset for sticky blocks (they stick only after scrolling,
   i.e. when the header is already compact). */
:root{--head-h:72px;--top-h:60px}
body{padding-top:calc(env(safe-area-inset-top,0px) + var(--head-h))}
.top{position:fixed;top:0;left:0;right:0;z-index:30;padding-top:env(safe-area-inset-top,0px);pointer-events:none}
.top > *{pointer-events:auto}
/* Compact mode is done with transforms only (no layout change → CLS 0): the background shrinks to 60 px
   (scaleY), the row moves up 6 px, the menu slides left into the space of the hidden logo text. */
.top::before{content:"";position:absolute;inset:0;background:var(--bg);border-bottom:1px solid transparent;transform-origin:top;transition:transform .2s var(--ease-out),background-color .2s ease,border-color .2s ease;pointer-events:auto}
.top.compact::before{transform:scaleY(.8334);background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom-color:var(--line)}
.top-bar{position:relative}
.top.compact .top-bar{transform:translateY(-6px)}
.top.compact .nav{transform:translateX(-134px)}
.nav,.top-bar{transition:transform .2s var(--ease-out)}
.top.compact .mega-panel,.top.compact .search-ov{top:calc(100% - 12px)}
.head-wrap{max-width:1360px;margin:0 auto;padding:0 24px}
.top-bar{display:flex;align-items:center;gap:20px;height:var(--head-h)}

.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo small{display:block;font:600 11px/1.25 var(--body);letter-spacing:.01em;color:var(--muted);width:124px;transition:opacity .15s ease}
.top.compact .logo small{opacity:0}

/* menu */
.nav{flex:1;min-width:0}
.nav-row{display:flex;align-items:center;gap:2px;height:44px}
.nav-row > a,.mega-btn{display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 12px;border:0;border-radius:var(--r);background:none;color:var(--ink);font:500 15px var(--body);text-decoration:none;cursor:pointer;white-space:nowrap;position:relative;transition:background-color .15s ease}
.nav-row > a:hover,.mega-btn:hover,.mega-btn[aria-expanded="true"]{background:var(--surface)}
.nav-row > a[aria-current]::after,.mega-btn[data-current]::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:var(--r);background:var(--brand)}
.mega-btn svg{transition:transform .2s var(--ease-out)}
.mega-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.mega-panel{position:absolute;left:0;right:0;top:100%;background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:none;padding:28px max(24px,calc((100vw - 1312px)/2)) 24px}
.mega-panel[hidden]{display:none}
.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.mega-h{margin:0 0 10px;font:700 13px/1.2 var(--body);letter-spacing:.06em;text-transform:uppercase}
.mega-h a{text-decoration:none;color:var(--ink)}
.mega ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.mega ul a{display:block;padding:6px 0;text-decoration:none;color:var(--muted);font-size:15px;line-height:1.35}
.mega ul a:hover,.mega-h a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--brand-text);text-underline-offset:4px}
.mega-all{display:inline-block;margin-top:18px;font-weight:600;text-decoration:none}
.nav-extra{display:none}

/* right side */
.top-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex:none}
.icon-btn{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);color:var(--ink);cursor:pointer;text-decoration:none;flex:none;transition:border-color .15s ease,color .15s ease}
.icon-btn svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{border-color:var(--brand-text);color:var(--ink)}
.viber-ico:hover svg{stroke:var(--brand-text)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .viber-ico:hover svg{stroke:var(--brand-text)}}
:root[data-theme="dark"] .viber-ico:hover svg{stroke:var(--brand-text)}
/* fixed widths: digits and "UA" come from the Latin font, which may load later — its swap must not move the row */
.head-phone{display:grid;gap:1px;width:158px;padding:0 6px;text-decoration:none;line-height:1.2;white-space:nowrap}
.head-phone b{font-weight:600;font-size:15px}
.head-phone small{font-size:12px;color:var(--muted)}
.phone-ico{display:none}
.head-cta{min-height:44px;height:44px;padding:0 18px;font-size:15px;white-space:nowrap;box-shadow:none;gap:8px}
.lang-dd{position:relative}
.lang-btn{display:inline-flex;align-items:center;justify-content:center;gap:4px;width:58px;height:40px;padding:0;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);color:var(--ink);font:600 13px var(--body);letter-spacing:.04em;cursor:pointer}
.lang-btn:hover,.lang-btn[aria-expanded="true"]{border-color:var(--brand-text)}
.lang-list{position:absolute;right:0;top:calc(100% + 6px);min-width:180px;margin:0;padding:6px;list-style:none;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);box-shadow:none}
.lang-list[hidden]{display:none}
.lang-list a{display:block;padding:9px 12px;border-radius:var(--r);text-decoration:none;font-size:14px}
.lang-list a:hover{background:var(--surface)}
.lang-list a[aria-current]{font-weight:700}

/* search overlay: full width under the header */
.search-ov{position:absolute;left:0;right:0;top:100%;background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:none;padding:18px 0 16px}
.search-ov[hidden]{display:none}
.search-ov:not([hidden]){animation:ov-in .2s var(--ease-out)}
@keyframes ov-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.search{position:relative;display:flex;align-items:center}
.search input{height:56px;padding:0 56px 0 52px;border-radius:var(--r);font-size:18px;background:var(--surface);border:1.5px solid transparent}
.search input:focus{background:var(--bg);border-color:var(--grain)}
.search-ico{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search-close{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:none}
.search-hints{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;font-size:14px;color:var(--muted)}
.search-hints button{height:32px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);color:var(--ink);font:500 14px var(--body);cursor:pointer}
.search-hints button:hover{border-color:var(--brand-text)}
.search-pop{top:calc(100% + 8px)}

/* burger */
.burger{display:none;width:44px;height:44px;border:0;border-radius:var(--r);background:transparent;color:var(--ink);cursor:pointer;position:relative;flex:none}
.burger span{position:absolute;left:12px;right:12px;height:2px;border-radius:var(--r);background:currentColor;transition:transform .2s var(--ease-out),opacity .15s ease}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* < 1200 px: the number becomes an icon */
@media (max-width:1199px){.head-phone{display:none}.phone-ico{display:grid}.top-bar{gap:14px}}
@media (max-width:1023px){.top.compact .nav{transform:none}}
/* < 1024 px: burger, full-screen menu */
@media (max-width:1023px){
  .burger{display:block}
  .search-btn,.lang-dd,.viber-ico,.head-cta{display:none}
  .nav{position:fixed;left:0;right:0;top:calc(env(safe-area-inset-top,0px) + var(--top-h));bottom:0;background:var(--bg);overflow-y:auto;overscroll-behavior:contain;
    opacity:0;transform:translateY(-8px);visibility:hidden;transition:opacity .2s var(--ease-out),transform .2s var(--ease-out),visibility 0s .2s}
  .nav.open{opacity:1;transform:none;visibility:visible;transition:opacity .2s var(--ease-out),transform .2s var(--ease-out)}
  .nav-row{flex-direction:column;align-items:stretch;height:auto;gap:0;max-width:720px;margin:0 auto;padding:8px 24px calc(24px + env(safe-area-inset-bottom,0px))}
  .nav-row > a,.mega-btn{height:auto;width:100%;padding:16px 0;border-radius:0;border-bottom:1px solid var(--line);font:600 19px/1.2 var(--display);justify-content:space-between}
  .nav-row > a:hover,.mega-btn:hover,.mega-btn[aria-expanded="true"]{background:none}
  .nav-row > a[aria-current]::after,.mega-btn[data-current]::after{display:none}
  .mega-panel{position:static;box-shadow:none;border:0;padding:8px 0 16px}
  .mega-grid{grid-template-columns:1fr;gap:16px}
  .nav-extra{display:grid;gap:10px;margin-top:20px}
  .nav-search{display:flex;align-items:center;gap:10px;height:52px;padding:0 16px;border:1.5px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--muted);font:500 16px var(--body);cursor:pointer}
  .nav-search svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
  .nav-phone{font:700 20px/1.3 var(--display);text-decoration:none}
  .nav-hours{color:var(--muted);font-size:14px;margin-top:-6px}
  .nav-lang{margin-top:8px;font-size:15px;color:var(--muted)}
  .nav-lang a{text-decoration:none}
  .nav-lang a[aria-current]{color:var(--ink);font-weight:700}
  body.menu-open{overflow:hidden}
}
/* phones: 60 px header — logo, phone icon, burger */
@media (max-width:760px){
  :root{--head-h:60px}
  .top.compact::before{transform:none}
  .top.compact .top-bar{transform:none}
  .top.compact .mega-panel,.top.compact .search-ov{top:100%}
  .head-wrap{padding:0 16px}
  .logo small{display:none}
  .search-ov{padding:12px 0}
  .search input{height:52px;font-size:16px}
}
@media (prefers-reduced-motion:reduce){.top::before,.top-bar,.nav,.logo small,.search-ov:not([hidden]){transition:none;animation:none}}

/* пошук: результати (сторінка /poshuk і підказки в оверлеї) */
.search-pop{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:30;max-height:min(70vh,520px);overflow-y:auto;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);box-shadow:none;padding:6px}
.search-pop a,.search-results a{display:grid;gap:2px;padding:10px 12px;border-radius:var(--r);text-decoration:none}
.search-pop a:hover,.search-pop a[aria-selected="true"]{background:var(--surface)}
.search-pop b,.search-results b{font-weight:600;font-size:15px;line-height:1.35}
.search-pop .codes,.search-results .codes{font-size:14px;font-variant-numeric:tabular-nums}
.search-pop .muted,.search-results .muted{font-size:13px}
.search-pop .search-all{font-weight:600;font-size:14px;border-top:1px solid var(--line);margin-top:4px}
.search-empty{padding:12px;color:var(--muted);font-size:15px}
mark{background:color-mix(in srgb,var(--brand) 40%,transparent);color:inherit;border-radius:var(--r);padding:0 1px}
.search-page{display:flex;gap:10px;margin-top:24px;max-width:640px}
.search-page input{flex:1}
.search-results{list-style:none;margin:24px 0 0;padding:0;max-width:760px;border-top:1px solid var(--line)}
.search-results li{border-bottom:1px solid var(--line)}
.search-results a{padding:16px 0}
.search-results a:hover b{text-decoration:underline;text-decoration-color:var(--brand-text);text-underline-offset:4px}
/* ===== Перший екран головної: усе в межах екрана ===== */
.hero{--hero-h:min(calc(100svh - var(--head-h)), 820px);min-height:var(--hero-h);display:flex;align-items:center;padding:24px 0;position:relative}
.page-home .hero{padding:24px 0} /* beats the generic `.page-home section` padding */
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:center;width:100%}
.hero h1{font-size:clamp(40px,5vw,68px);font-weight:800;line-height:1.04;letter-spacing:-.025em;max-width:none}
.hero h1 span{display:block}

.hero .lead{margin-top:22px;font-size:clamp(17px,1.35vw,20px);line-height:1.55;color:var(--muted);max-width:52ch}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero .actions .btn{min-width:0;min-height:52px;padding:0 26px}

/* illustration: height follows the first screen, fixed aspect ratio, never cropped */
.hero-art{margin:0;height:calc(var(--hero-h) - 48px);max-height:640px;aspect-ratio:520/620;max-width:34vw;justify-self:end}
.hero-art svg{display:block;width:100%;height:100%}
.hero-art{--hero-paper:color-mix(in srgb,var(--bg) 55%,#fff);--hero-grid:color-mix(in srgb,var(--line) 55%,transparent)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero-art{--hero-paper:color-mix(in srgb,var(--bg) 70%,var(--surface))}}
:root[data-theme="dark"] .hero-art{--hero-paper:color-mix(in srgb,var(--bg) 70%,var(--surface))}
.h-paper{fill:var(--hero-paper);stroke:var(--line)}
.h-ln{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.h-ln.thin{stroke-width:1}
.h-belt{fill:none;stroke:var(--ink);stroke-width:1.2;opacity:.5}
.h-grain{fill:var(--grain)}
.h-spout{fill:none;stroke:var(--line);stroke-width:12;stroke-linecap:round}
.h-flow{fill:none;stroke:var(--grain);stroke-width:3;stroke-dasharray:3 9;stroke-linecap:round}
.h-dot{fill:var(--ink)}
.h-lbl{font:600 15px var(--body);fill:var(--ink)}
.h-lbl.small{font-size:11px;font-weight:500}

/* variant B: real photo + thin drawing callouts */
.hero-photo{position:relative;border-radius:var(--r);overflow:hidden;background:var(--surface)}
.hero-photo img{display:block;width:100%;height:100%;object-fit:cover}
.hero-callouts{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hc-ln{fill:none;stroke:#fff;stroke-width:2;vector-effect:non-scaling-stroke}
.hc-dot{fill:var(--grain);stroke:#fff;stroke-width:1.5;vector-effect:non-scaling-stroke}
.hc-lbl{font-family:var(--body);font-weight:600;fill:#fff;paint-order:stroke;stroke:rgb(0 0 0/.55);stroke-width:3px;stroke-linejoin:round}

/* quick links under the first screen */
.quick{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg)}
.quick-list{list-style:none;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.quick-list li + li{border-left:1px solid var(--line)}
.quick-list a{display:flex;align-items:center;gap:12px;min-height:76px;padding:12px 18px;text-decoration:none;font-weight:600;font-size:15px;line-height:1.25;transition:background-color .15s ease}
.quick-list a:hover{background:var(--surface)}
.quick-list li:first-child a{padding-left:0}

@media (max-width:1023px){
  .hero,.page-home .hero{min-height:0;padding:28px 0 32px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-art{justify-self:start;height:auto;width:min(100%,360px);max-width:none}
}
@media (max-width:860px){
  .quick-list{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:0 16px}
  .quick-list::-webkit-scrollbar{display:none}
  .quick-list li{flex:0 0 auto;scroll-snap-align:start}
  .quick-list li:first-child a{padding-left:0}
  .quick-list a{min-height:64px;padding:10px 16px;white-space:nowrap}
}
@media (max-width:560px){
  .hero-art{width:min(100%,300px)}
  .hero .actions .btn{flex:1 1 auto}
}

/* Rendering work: sections below the first screen are laid out only when they come near the viewport.
   Not on sections with sticky / pinned parts (scene, pinned videos, «Що впливає на ціну»), whose scripts measure them. */
main > section:not(.hero):not(.page-hero):not(.bp):not(.vstrip):not(#price):not(#work),footer.foot{content-visibility:auto;contain-intrinsic-size:auto 640px}

/* ===================== «Заводська документація» ===================== */
/* buttons: rectangular, 48 px; main = equipment blue, secondary = 1.5 px ink outline; no glow */
.btn{min-height:48px;height:48px;padding:0 22px;border-radius:var(--r);font:600 16px/1 var(--sans);font-stretch:100%;letter-spacing:0;box-shadow:none}
.btn-main{background:var(--brand);color:var(--on-brand);border:1.5px solid var(--brand)}
.btn-main:hover{background:var(--brand-hover);border-color:var(--brand-hover)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);box-shadow:none}
.btn-ghost:hover{background:var(--zinc-100);box-shadow:none}
.head-cta{height:48px;min-height:48px}
.hero .actions .btn{min-height:48px;padding:0 24px}

/* logo: a nameplate */
.logo-mark{background:var(--brand);color:#fff;font:600 17px/1 var(--display);font-stretch:80%;letter-spacing:.04em;height:36px;padding:0 9px}
.logo small{font-family:var(--sans);font-stretch:90%;font-weight:500;color:var(--muted)}

/* lines instead of shadows; icons are 1.5 px lines without plates */
.icon-btn svg,.row-ico,.mi-ln,.nav-search svg{stroke-width:1.5}
.cat-ico{background:none;width:32px;height:32px}
.mi-ln{stroke:var(--ink)}
.mi-fill{fill:var(--ink)}
:root[data-theme="dark"] .mi-ln{stroke:var(--ink)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .mi-ln{stroke:var(--ink)}:root:not([data-theme="light"]) .mi-fill{fill:var(--ink)}}
:root[data-theme="dark"] .mi-fill{fill:var(--ink)}

/* first screen */
.hero h1{font-size:clamp(36px,4.4vw,56px);font-weight:600;line-height:1.05;letter-spacing:0;max-width:15ch}
.hero .lead{font-size:clamp(17px,1.3vw,19px);color:var(--zinc-700);max-width:52ch}
.h-ln{stroke-width:1.4}
.h-lbl{font-family:var(--mono);font-weight:500;font-size:14px}
.h-lbl.small{font-size:10.5px;font-weight:500}

/* document layout: 12 columns, section heading on the left under a thin rule, content offset to the right */
.doc-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:24px;align-items:start}
.doc-head{grid-column:1/span 3;border-top:1.5px solid var(--ink);padding-top:14px}
.doc-head h2{font-size:clamp(24px,2.4vw,32px);max-width:none}
.doc-head p{margin-top:12px;font-size:15px;color:var(--muted)}
.doc-body{grid-column:4/span 9;min-width:0}
.doc-head-wide{border-top:1.5px solid var(--ink);padding-top:14px;margin-bottom:8px}
.section-head{border-top:1.5px solid var(--ink);padding-top:14px;align-items:baseline}
.section-head h2{font-size:clamp(24px,2.4vw,32px)}
@media (max-width:900px){.doc-head,.doc-body{grid-column:1/-1}}

/* rows (tasks, services): a list with rules, not identical cards */
.rows{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--rule)}
.doc-row{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr) 24px;gap:6px 24px;align-items:baseline;padding:16px 4px;border-top:1px solid var(--rule);text-decoration:none;color:var(--ink);transition:background-color .15s ease}
.task-rows .doc-row{grid-template-columns:28px minmax(0,.9fr) minmax(0,1.6fr) 24px;align-items:center}
.doc-row b{font-weight:600;font-size:17px}
.row-d{color:var(--muted);font-size:15px}
.row-go{font-style:normal;color:var(--brand-text);justify-self:end}
.doc-row:hover{background:var(--zinc-100)}
.svc-rows .doc-row{grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr)}
.svc-rows .doc-row:hover{background:none}
.row-ico{fill:none;stroke:var(--ink);stroke-linecap:round;stroke-linejoin:round}
@media (max-width:640px){
  .doc-row{grid-template-columns:1fr 20px}
  .doc-row .row-d{grid-column:1;grid-row:2}
  .task-rows .doc-row{grid-template-columns:28px 1fr 20px}
  .task-rows .doc-row .row-d{grid-column:2}
}
.task-rows.draw-pre .row-ico path{stroke-dasharray:1;stroke-dashoffset:1}
.task-rows.draw-go .row-ico path{stroke-dasharray:1;transition:stroke-dashoffset .8s var(--ease-out)}

/* catalogue as a dense table: photo | series | name | purpose | → */
.cat-table{width:100%;border-collapse:collapse;margin:0 0 32px;font-size:15px}
.cat-table caption{caption-side:top;text-align:left;padding:0 0 8px;font:500 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border-bottom:1.5px solid var(--ink)}
.cat-table tr{position:relative;border-bottom:1px solid var(--rule);transition:background-color .15s ease}
.cat-table tr:hover{background:var(--zinc-100)}
.cat-table td,.cat-table th{padding:10px 14px 10px 0;vertical-align:middle;text-align:left}
.ct-img{width:80px}
.ct-img img{display:block;width:72px;height:54px;object-fit:cover;background:var(--zinc-100)}
.ct-code{width:150px;font-size:13px;color:var(--zinc-700)}
.ct-name{font-weight:600;font-size:16px;width:30%}
.ct-name a{text-decoration:none}
.ct-name a::after{content:"";position:absolute;inset:0}
.ct-d{color:var(--muted)}
.ct-go{width:24px;color:var(--brand-text);padding-right:0}
.ct-n{width:96px;font-size:13px;color:var(--zinc-700);white-space:nowrap}
.cat-cap{font:inherit;letter-spacing:inherit;margin:0}
.cat-table + .cat-table caption{padding-top:24px}
@media (max-width:760px){
  .cat-table,.cat-table tbody{display:block}
  .cat-table tr{display:grid;grid-template-columns:72px 1fr 20px;column-gap:14px;padding:10px 0}
  .cat-table td,.cat-table th{padding:0}
  .ct-img{grid-row:1/span 4;width:auto}
  .ct-code,.ct-name,.ct-d,.ct-n{grid-column:2;width:auto}
  .ct-go{grid-column:3;grid-row:1}
  .ct-d{font-size:14px}
}

/* photo across the content width; caption in the style of an equipment nameplate (real data only) */
.doc-photo figure{margin:0 auto}
.doc-photo img{display:block;width:100%;height:auto;max-height:620px;object-fit:cover}
.plate{display:inline-flex;margin-top:12px;border:1.5px solid var(--ink);font-size:13px;line-height:1;color:var(--ink);background:var(--paper)}
.plate span{padding:8px 12px}
.plate span + span{border-left:1.5px solid var(--ink)}

/* steps: numbers in mono, no circles */
.steps li::before{content:counter(s,decimal-leading-zero);display:block;width:auto;height:auto;background:none;font:500 14px/1 var(--mono);color:var(--muted);margin-bottom:10px}
.belt .steps-row li{border-radius:var(--r)}
.belt .steps-row li.on{border-color:var(--brand)}
.belt-ln{stroke:var(--zinc-500)}

/* segmented switches (material, filters) instead of pills */
.bp-mat [role=radiogroup]{gap:0}
.bp-mat button{margin-left:-1px;border:1px solid var(--rule);min-height:40px;font-family:var(--sans)}
.bp-mat button[aria-checked="true"]{background:var(--brand);border-color:var(--brand);color:var(--on-brand);position:relative;z-index:1}

/* codes, positions, captions in mono */
.cut-lbl,.bp-spec td:first-child,.fx-list li::before,.h1-sub,.pos-specs dd,.codes,.search-hints button{font-family:var(--mono)}

/* video previews: square play mark, white triangle */
.yt .play,.video .play{border-radius:var(--r);background:var(--brand)}
.yt .play path,.video .play path{fill:#fff}

/* quick links */
.quick-list a{font-weight:500}
.quick-list .cat-ico{width:28px}

.hero-art{border-radius:var(--r)}