:root{
  --bg:#f6f5f1; --fg:#1d2629; --muted:#515d60; --soft:#8a9598; --line:#d6d8d2;
  --accent:#c1121f; --accent-d:#8f0c17;
  --body:'Manrope',system-ui,sans-serif; --mono:'JetBrains Mono',monospace;
  --pad:clamp(22px,4.2vw,76px); --copy:min(42vw,620px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
button:disabled{opacity:.35;cursor:default}
.skip{position:fixed;top:12px;left:12px;transform:translateY(-160%);background:#fff;padding:12px 18px;z-index:300}
.skip:focus{transform:none}
.mono{font:10px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}

/* Сцена */
#scene{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(ellipse at 70% 48%,#fff 0%,var(--bg) 58%,#eeede7 100%)}
#scene canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 1s}
body.scene-ready #scene canvas{opacity:1}
body.scene-ready .fallback{display:none}
.fallback{position:absolute;left:68%;top:50%;width:min(46vw,520px);transform:translate(-50%,-50%)}
.fb-contour{fill:none;stroke:var(--fg);stroke-width:.4}
.fb-ring{fill:none;stroke:#8a9598;stroke-width:.3;stroke-dasharray:1.5 1.5}
.fb-shell{fill:#eceeea;stroke:#56666b;stroke-width:.35}
.fb-core{fill:var(--accent)}
.fb-agents circle{fill:var(--fg);stroke:var(--accent);stroke-width:.6}
body.scene-fallback .tags{display:none}

/* Подписи, привязанные к сцене */
.tags{position:fixed;inset:0;z-index:5;pointer-events:none}
#tag-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
#tag-lines polyline{fill:none;stroke:#6c7a7e;stroke-width:1;transition:stroke .2s}
#tag-lines circle{fill:var(--fg)}
#tag-lines .hot{stroke:var(--accent);fill:var(--accent)}
#tag-lines polyline.hot{fill:none}
.tag{position:absolute;left:0;top:0;display:flex;flex-direction:column;align-items:flex-start;gap:1px;padding:5px 9px;background:#fbfaf7e6;backdrop-filter:blur(6px);border:1px solid #d0d4cf;white-space:nowrap;text-align:left;will-change:transform,opacity;transition:border-color .2s,background .2s;pointer-events:none}
.tag.left{align-items:flex-end;text-align:right}
.tag b{font:500 13px/1.3 var(--body);letter-spacing:-.01em}
.tag span{font:10px/1.35 var(--mono);color:#465256;text-transform:uppercase;letter-spacing:.04em}
.tag.zone{background:none;backdrop-filter:none;border:1px dashed #8a9598}
.tag.zone b{color:var(--muted);font-weight:400}
.tag.current{border-width:1.5px;box-shadow:0 0 0 3px #c1121f14}
.tag.current b{font-weight:700}
.tag.next{border-style:dashed;background:#fbfaf7aa}
.tag.done{border-color:#c1121f66}
.tag.done b{color:var(--fg)}
.tag.current{background:#fff}
.tag.next b{color:var(--muted);font-weight:400}
.tag span:empty{display:none}
.tag.hot{border-color:var(--accent)}
.tag.hot b{color:var(--accent-d)}
.tag.clickable{cursor:pointer;min-height:32px}
.tag.clickable:hover{border-color:var(--accent);background:#fff}

/* Шапка */
.page-progress{position:fixed;inset:0 0 auto;height:2px;z-index:90}
.page-progress i{display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:left}
.header{position:fixed;z-index:40;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px var(--pad);background:linear-gradient(var(--bg) 40%,#f6f5f100)}
.brand{display:flex;align-items:center;gap:11px}
.wm{font-size:21px;letter-spacing:-.04em;line-height:1;white-space:nowrap}
.wm::before,.wm::after{content:"";display:inline-block;width:1.15em;height:.12em;background:var(--accent);vertical-align:.26em;border-radius:1px}
.wm::before{margin-right:.42em}
.wm::after{margin-left:.42em}
.wm b{font-weight:700}
.wm span{font-weight:400;color:var(--muted)}

.contact-link{display:flex;gap:18px;align-items:center;border-bottom:1px solid var(--fg);font-size:13px;padding:7px 0}
.contact-link span{font-size:19px;line-height:1;transition:transform .3s}
.contact-link:hover span{transform:translate(3px,-3px)}
.scene-meta{position:fixed;z-index:6;right:var(--pad);top:96px;display:flex;gap:12px;align-items:center;font:10px var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--muted);pointer-events:none}
.signal{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #c1121f12}
.meta-num{color:var(--fg)}

/* Главы */
main{position:relative;z-index:10;pointer-events:none}
.chapter{min-height:100svh;display:flex;align-items:center;padding:120px var(--pad) 120px;position:relative}
.copy{width:var(--copy);pointer-events:auto;position:relative}
.copy::before{content:'';position:absolute;inset:-28px -34px;background:radial-gradient(ellipse at 30% 50%,#f6f5f1f0 40%,#f6f5f100 75%);z-index:-1;pointer-events:none}
.eyebrow{display:flex;align-items:center;gap:11px;font:10px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:22px}
.eyebrow>span{width:24px;height:1px;background:var(--accent)}
.eyebrow-lg{align-items:flex-start}.eyebrow-lg>span{flex:none;margin-top:.8em}.eyebrow-lg em{font-style:normal}.eyebrow-lg i{font-style:normal;white-space:nowrap}
.eyebrow-lg .sep{font-weight:inherit}
@media (max-width:700px){.eyebrow-lg .sep{display:none}.eyebrow-lg i:first-child{display:block}}
h1,h2{margin:0;font-weight:500;letter-spacing:-.065em;line-height:1.02;text-wrap:balance}
h1{font-size:clamp(48px,5.6vw,96px)}
h2{font-size:clamp(42px,4.8vw,80px)}
.lead{font-size:clamp(15px,1.12vw,18px);line-height:1.7;color:#384543;margin:24px 0 0;max-width:520px}
.note{font-size:11px;line-height:1.6;color:var(--muted);margin:20px 0 0;max-width:460px}

/* Легенда */
.legend{margin-top:30px;max-width:470px;border-top:1px solid var(--line)}
.legend-title{margin:12px 0 4px}
.play-tip{display:flex;align-items:center;gap:10px;margin:16px 0 0;font:11px/1.5 var(--mono);color:var(--muted);letter-spacing:.02em}
.play-tip .signal{flex:none}
body.play-used .play-tip{opacity:.55;transition:opacity .6s}
body.play-hover,body.play-hover *{cursor:grab}
body.play-aim,body.play-aim *{cursor:grab}
body.play-spin,body.play-spin *{cursor:grabbing!important;user-select:none}
body.play-drag,body.play-drag *{cursor:grabbing!important;user-select:none}
.legend button,.dept-list button,.agent-list button{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:baseline;gap:4px 12px;width:100%;text-align:left;padding:11px 0;border-bottom:1px solid var(--line);min-height:44px;transition:color .2s,border-color .2s}
.legend .n,.dept-list .n,.agent-list .n,.scenario-tabs .n,.stages .n{font:10px var(--mono);color:var(--accent)}
.legend b,.agent-list b{font-weight:500;font-size:15px}
.legend em{font-style:normal;font-size:13px;color:var(--muted);text-align:right}
.legend button:hover,.legend button:focus-visible{border-color:var(--accent)}
.legend button:hover b{color:var(--accent-d)}
.hero-foot{position:absolute;bottom:96px;left:var(--pad);display:flex;align-items:center;gap:16px}
.scroll-line{width:1px;height:38px;background:var(--line);position:relative;overflow:hidden}
.scroll-line::after{content:'';position:absolute;width:1px;height:14px;background:var(--accent);animation:down 2.4s infinite}
@keyframes down{from{transform:translateY(-14px)}to{transform:translateY(48px)}}

/* Направления */
.dept-list{list-style:none;padding:0;margin:24px 0 0;max-width:600px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;column-gap:22px}
.dept-list button{grid-template-columns:30px minmax(0,1fr);padding:9px 0}
.dept-list b{font-weight:500;font-size:14px}
.dept-list em{grid-column:2;font-style:normal;font-size:12px;line-height:1.5;color:var(--muted)}
.dept-list button:hover,.agent-list button:hover,.dept-list button:focus-visible,.agent-list button:focus-visible{border-color:var(--accent)}
.dept-list button:hover b,.agent-list button:hover b{color:var(--accent-d)}

/* Факты */
.facts{list-style:none;padding:0;margin:26px 0 0;max-width:520px;display:grid;gap:16px}
.facts li{border-top:1px solid var(--line);padding-top:12px}
.facts b{font-weight:500;font-size:15px}
.facts p{margin:4px 0 0;font-size:13px;line-height:1.6;color:var(--muted)}

/* Агенты */
.agent-list{margin-top:22px;max-width:560px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;column-gap:22px}
.agent-list em{grid-column:2;font-style:normal;font:10px var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.agent-list .arr{grid-row:1/3;grid-column:3;align-self:center;font-size:17px;color:var(--soft)}
.agent-list button:hover .arr{color:var(--accent)}

/* Сценарий */
.scenario-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:24px;max-width:540px}
.scenario-tabs button,.stages button{display:flex;gap:10px;align-items:baseline;text-align:left;padding:10px 12px;border:1px solid var(--line);font-size:13px;line-height:1.35;min-height:44px;background:#fbfaf7cc;transition:border-color .2s,background .2s}
.scenario-tabs button[aria-checked=true],.stages button[aria-checked=true]{border-color:var(--fg);background:#fff}
.scenario-tabs button:hover,.stages button:hover{border-color:var(--accent)}
.steps{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;max-width:540px}
.steps button{width:100%;text-align:left;padding:8px 0 6px;border-top:2px solid var(--line);font-size:11px;line-height:1.3;color:var(--muted);min-height:44px}
.steps button span{display:block;font:9px var(--mono);margin-bottom:2px}
.steps button.done{border-color:#c1121f80;color:var(--fg)}
.steps button.current{border-color:var(--accent);color:var(--fg);font-weight:600}
.steps button.current span{color:var(--accent)}
.step-text{min-height:96px;margin:14px 0 0;font-size:15px;line-height:1.6;max-width:540px}
.step-text .mono{display:block;color:var(--accent);margin-bottom:4px}
.step-controls{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.step-controls button{padding:10px 14px;border:1px solid var(--line);font-size:13px;min-height:44px;background:#fbfaf7cc}
.step-controls button.solid{background:var(--fg);color:#fff;border-color:var(--fg)}
.step-controls button.solid:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}
.step-controls button[aria-pressed=true]{border-color:var(--accent);color:var(--accent-d)}

/* Этапы */
.stages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:26px;max-width:540px}
.stage-text{min-height:80px;margin:16px 0 0;font-size:15px;line-height:1.6;max-width:520px}

/* Связь */
.primary-action{display:inline-flex;align-items:center;justify-content:space-between;gap:46px;background:var(--fg);color:#fff;padding:15px 22px;font-size:14px;margin-top:30px;min-height:52px;transition:background .25s}
.primary-action:hover{background:var(--accent)}
.primary-action span{font-size:20px;line-height:1}
.phone{display:block;width:max-content;margin-top:16px;font-size:15px;letter-spacing:.03em}
.phone:hover{color:var(--accent)}
.mail{display:block;width:max-content;margin-top:8px;font-size:14px;color:var(--muted);border-bottom:1px solid var(--line)}
.mail:hover{color:var(--accent);border-color:var(--accent)}

/* Нижняя панель */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px var(--pad) 20px;background:linear-gradient(#f6f5f100,#f6f5f1f0 35%,var(--bg));pointer-events:none}
.dock>*{pointer-events:auto}
.motion-control{display:flex;align-items:center;gap:9px;font:10px var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--muted);min-height:44px}
.pause-icon{font:13px var(--body);color:var(--fg);width:12px}
.dock-ctl{display:flex;align-items:center;gap:22px}
.snd-icon svg{display:block}
.sound-control .w1,.sound-control .w2{display:none}
.sound-control.on .w1,.sound-control.on .w2{display:inline}
.sound-control.on .x{display:none}
.sound-control.on{color:var(--fg)}
.sound-control.on .snd-icon{color:var(--accent)}
@keyframes sndpulse{0%,100%{opacity:1}50%{opacity:.45}}
.sound-control.on .w2{animation:sndpulse 2.4s ease-in-out infinite}
@media (prefers-reduced-motion:reduce){.sound-control.on .w2{animation:none}}
.chapter-nav{display:flex;gap:22px}
.chapter-nav a{position:relative;display:flex;gap:8px;align-items:center;padding:15px 0 6px;font:10px var(--mono);color:#6f7b7e;min-height:44px}
.chapter-nav a::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:var(--line)}
.chapter-nav a.active{color:var(--fg)}
.chapter-nav a.active::before{background:var(--accent);height:2px}
.chapter-nav a.active span{color:var(--accent)}
.chapter-nav b{font-weight:400}
.chapter-nav a:hover{color:var(--accent)}

/* Диалог */
#dept-dialog{max-width:540px;width:calc(100% - 32px);max-height:calc(100svh - 48px);overflow:auto;padding:44px;border:1px solid var(--line);background:#fbfaf7;color:var(--fg);box-shadow:0 30px 100px #1d262926}
#dept-dialog::backdrop{background:#1d262922;backdrop-filter:blur(8px)}
#dept-dialog h2{font-size:40px;letter-spacing:-.05em}
.dialog-close{position:absolute;top:10px;right:12px;width:44px;height:44px;font-size:28px;color:var(--muted)}
.dialog-close:hover{color:var(--accent)}
.dept-dl{margin:22px 0 0}
.dept-dl dt{font:10px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:14px}
.dept-dl dt.red{color:var(--accent)}
.dept-dl dd{margin:6px 0 0;font-size:15px;line-height:1.6}
.dialog-cta{display:flex;justify-content:space-between;border-top:1px solid var(--fg);margin-top:24px;padding-top:14px;font-size:13px}
.dialog-cta:hover{color:var(--accent)}
.noscript{position:fixed;bottom:80px;left:0;background:#fff;padding:10px 18px;z-index:50;font-size:12px}

/* Планшет */
/* Подвал: контакты и реквизиты */
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.site-footer{position:relative;z-index:11;background:var(--bg);border-top:1px solid var(--line);padding:64px var(--pad) 112px;font-size:14px;line-height:1.55}
/* красная линия от середины вправо на границе подвала — как тире у знака «— Энергосвязь —» */
.site-footer::before{content:"";position:absolute;top:-1px;left:50%;right:0;height:1.5px;background:var(--accent);pointer-events:none}
.site-footer::after{content:"";position:absolute;top:-3.25px;left:50%;width:7px;height:7px;margin-left:-3.5px;border-radius:50%;background:var(--accent);pointer-events:none}
.f-grid{display:grid;grid-template-columns:1.15fr .9fr 1.6fr 1fr;gap:40px;max-width:1500px}
.f-brand p{margin:16px 0 0;color:var(--muted);max-width:260px}
.f-col h3{margin:0 0 14px;font:10px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:400}
.f-col>a{display:block;width:max-content;max-width:100%;padding:3px 0;border-bottom:1px solid transparent}
.f-col>a:hover{color:var(--accent);border-color:var(--accent)}
.f-req dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 16px}
.f-req dt{color:var(--muted);font-size:12px;padding-top:2px}
.f-req dd{margin:0;font-variant-numeric:tabular-nums}
.f-small{margin:10px 0 0;font-size:12px;color:var(--muted)}
.f-bottom{display:flex;justify-content:space-between;gap:24px;margin-top:48px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);max-width:1500px}
@media (max-width:1100px) and (min-width:701px){
  .f-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1100px) and (min-width:701px){
  :root{--copy:46vw}
  .header-note{display:none}
  .chapter-nav{gap:14px}
  .chapter-nav b{display:none}
  .scenario-tabs{grid-template-columns:1fr}
  .agent-list{grid-template-columns:1fr}
}
@media (max-height:960px) and (min-width:701px){
  .dept-list em{font-size:11px;line-height:1.4}
  .dept-list button{padding:7px 0;min-height:40px}
}
@media (max-height:760px) and (min-width:701px){
  .chapter{padding-top:96px;padding-bottom:92px}
  h1{font-size:clamp(40px,4.8vw,72px)} h2{font-size:clamp(36px,4.2vw,64px)}
  .lead{margin-top:16px}
  .legend{margin-top:18px}
  .legend button{padding:7px 0}
  .dept-list em{display:none}
  .facts{gap:10px;margin-top:16px}
  .step-text{min-height:80px}
}

/* Телефон: сцена закреплена сверху («витрина»), текст прокручивается под ней, внизу — лента разделов. */
.m-only{display:none}
.stage-edge{display:none}
@media (max-width:700px){
  :root{--pad:20px;--copy:100%;--stage-h:46svh}
  .d-only{display:none}
  .m-only{display:inline}
  body{font-size:15px}

  /* Шапка поверх сцены */
  .header{padding:12px var(--pad);background:linear-gradient(#f6f5f1 55%,#f6f5f100)}
  .brand{gap:9px}
  .wm{font-size:18px}
  .wm::before,.wm::after{width:.95em}
  .wm::before{margin-right:.36em}
  .wm::after{margin-left:.36em}
  .contact-link{font-size:12px;gap:6px;border:1px solid var(--fg);border-radius:999px;padding:7px 12px;min-height:36px}
  .contact-link span{font-size:15px}

  /* Сцена — верхняя панель фиксированной высоты, непрозрачная: текст уходит под неё */
  #scene{height:var(--stage-h);bottom:auto;z-index:12;background:radial-gradient(ellipse at 50% 55%,#fff 0%,var(--bg) 62%,#efeee8 100%)}
  #scene canvas{height:var(--stage-h)!important}
  .tags{height:var(--stage-h);bottom:auto;z-index:13;overflow:hidden}
  .stage-edge{display:block;position:fixed;left:0;right:0;top:var(--stage-h);height:22px;z-index:12;pointer-events:none;background:linear-gradient(#f6f5f1,#f6f5f100);border-top:1px solid var(--line)}
  .page-progress{display:none}
  :root{--muted:#4a5659}
  .scene-meta{left:var(--pad);right:auto;top:calc(var(--stage-h) - 28px);font-size:10px;z-index:14;color:#46524f}
  .scene-meta .meta-num{display:none}
  .fallback{left:50%;top:calc(var(--stage-h) / 2 + 20px);width:min(64vw,calc(var(--stage-h) - 90px))}

  /* Подписи на сфере: крупнее, с увеличенной зоной касания */
  .tag{padding:4px 8px;border-radius:4px}
  .tag b{font-size:12.5px;letter-spacing:-.01em}
  .tag.next b{color:#3d4947}
  .tag.next{background:#fffffff2}
  .tag span{display:none}
  .tag.clickable{min-height:30px;justify-content:center}
  .tag.clickable::after{content:'';position:absolute;inset:-8px -4px}
  .tag.zone{display:none}

  /* Главы */
  main{z-index:10}
  .chapter{display:block;min-height:calc(100svh + 1px);padding:calc(var(--stage-h) + 26px) var(--pad) 120px}
  .copy::before{display:none}
  .eyebrow{font-size:11px;margin-bottom:12px;letter-spacing:.06em}
  h1{font-size:clamp(34px,10vw,48px);letter-spacing:-.045em;word-spacing:.04em;line-height:1.04}
  h2{font-size:clamp(30px,8.8vw,42px);letter-spacing:-.04em;word-spacing:.04em;line-height:1.05}
  h1 br,h2 br{display:none}
  .lead{font-size:16px;line-height:1.55;margin-top:12px;color:#2f3b3a}
  .note{font-size:12px;color:#5c686b}
  .hero-foot{display:none}

  /* Списки как карточки-кнопки */
  .legend,.dept-list,.agent-list{border-top:0;display:grid;grid-template-columns:1fr;gap:8px;margin-top:18px}
  .legend-title{margin:0 0 2px}
  .legend button,.dept-list button,.agent-list button{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#fffffff2;min-height:52px;grid-template-columns:28px minmax(0,1fr) 14px;align-items:center}
  .legend button::after,.dept-list button::after,.agent-list button::after{content:'›';grid-column:3;grid-row:1/3;font-size:22px;line-height:1;color:var(--soft);justify-self:end}
  .legend button:active,.dept-list button:active,.agent-list button:active{border-color:var(--accent);background:#fff}
  .legend em{grid-column:2;text-align:left;font-size:14px;color:#3d4947}
  .legend-title{font-size:11px;color:#3d4947}
  .legend b{font-size:16px}
  .dept-list button{grid-template-columns:28px minmax(0,1fr) 14px}
  .dept-list b,.agent-list b{font-size:16px}
  .dept-list em{grid-column:2;font-size:13px;line-height:1.45}
  .agent-list em{grid-column:2;font-size:12px;color:#3d4947}
  .agent-list .arr{display:none}

  .facts{gap:10px;margin-top:18px}
  .facts li{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#ffffffd9}
  .facts b{font-size:15px}
  .facts p{font-size:13px}

  /* Пример задачи: ситуации — лента чипов в одну строку, чтобы путь и пояснение были видны сразу */
  .scenario-tabs{display:flex;gap:8px;margin:16px calc(-1 * var(--pad)) 0;padding:0 var(--pad) 4px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none}
  .scenario-tabs::-webkit-scrollbar{display:none}
  .scenario-tabs{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 36px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 36px),transparent)}
  .scenario-tabs{scroll-padding-left:var(--pad)}
  .scenario-tabs button{flex:none;width:68vw;max-width:260px;scroll-snap-align:start;font-size:14px;padding:12px;border-radius:12px;min-height:58px;align-items:flex-start}
  .scenario-tabs button[aria-checked=true]{border-color:var(--accent);box-shadow:0 0 0 3px #c1121f14}
  .steps{gap:6px;margin-top:16px}
  .steps button{font-size:0;padding:10px 0 4px;min-height:44px;text-align:center}
  .steps button span{font-size:12px;margin:0}
  .steps button.current span{font-weight:700}
  .step-text{min-height:118px;font-size:15px;margin-top:10px}
  .step-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .step-controls button{border-radius:10px;min-height:48px}
  .step-controls #step-play{grid-column:1/3}

  /* Этапы */
  .stages{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .stages button{font-size:13px;padding:10px 8px;border-radius:10px;flex-direction:column;gap:2px;min-height:56px}
  .stage-text{font-size:15px}

  /* Связь */
  .primary-action{display:flex;width:100%;border-radius:12px;min-height:56px;font-size:15px;margin-top:22px}
  .phone{display:flex;align-items:center;justify-content:center;width:100%;margin-top:10px;min-height:52px;border:1px solid var(--fg);border-radius:12px;font-size:16px}

  /* Текст мягко уходит под ленту разделов */
  .dock::before{content:'';position:absolute;left:0;right:0;bottom:100%;height:28px;background:linear-gradient(#f6f5f100,var(--bg));pointer-events:none}
  /* Нижняя лента разделов */
  .dock{padding:8px 0 max(8px,env(safe-area-inset-bottom)) 0;gap:0;background:var(--bg);border-top:1px solid var(--line);align-items:center}
  .motion-control{min-width:56px;min-height:44px;justify-content:center;padding:0;flex:none;border-right:1px solid var(--line)}
  .motion-control .pause-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;font-size:12px;background:#fff}
  .motion-control #motion-label,.motion-control #sound-label{display:none}
  .dock-ctl{gap:0;flex:none}
  .sound-control .snd-icon{color:var(--fg)}
  .sound-control.on .snd-icon{border-color:var(--accent);color:var(--accent)}
  .pause-icon{font-size:15px;width:auto}
  .chapter-nav{flex:1;min-width:0;gap:6px;overflow-x:auto;scroll-snap-type:x proximity;padding:0 var(--pad) 0 14px;scrollbar-width:none;-webkit-overflow-scrolling:touch;-webkit-mask-image:linear-gradient(90deg,transparent,#000 28px,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(90deg,transparent,#000 28px,#000 calc(100% - 28px),transparent)}
  .chapter-nav::-webkit-scrollbar{display:none}
  .chapter-nav a{flex:none;scroll-snap-align:center;gap:6px;padding:0 14px;min-height:44px;border:1px solid var(--line);border-radius:999px;font:12px var(--body);color:var(--muted);background:#fff}
  .chapter-nav a::before{display:none}
  .chapter-nav a span{font:10px var(--mono);color:var(--soft)}
  .chapter-nav b{display:inline;font-weight:500}
  .chapter-nav a.active{background:var(--fg);border-color:var(--fg);color:#fff}
  .chapter-nav a.active span{color:#ffb3b8}

  #dept-dialog{padding:34px 22px 26px;margin:auto 0 0;width:100%;max-width:none;border-radius:16px 16px 0 0;max-height:82svh}
  #dept-dialog h2{font-size:32px}
  .dialog-cta{min-height:48px;align-items:center}
  .mail{display:flex;align-items:center;justify-content:center;width:100%;margin-top:10px;min-height:48px;border:1px solid var(--line);border-radius:12px;font-size:15px}
  .site-footer{padding:30px var(--pad) calc(96px + env(safe-area-inset-bottom));font-size:15px}
  .f-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .f-brand .wm{font-size:20px}
  .f-col h3{font-size:11px;margin-bottom:8px}
  .f-col>a{padding:8px 0;min-height:40px}
  .f-req dl{grid-template-columns:minmax(0,1fr);gap:2px}
  .f-req dt{font-size:12px;padding-top:8px}
  .f-small{font-size:13px}
  .f-bottom{flex-direction:column;gap:8px;margin-top:28px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body.motion-paused .scroll-line::after{animation-play-state:paused}