/* Лендинг boxdilive.ru — вариант Б «Полночь» (knowledge/DESIGN.md, 2026-09-27). */
:root{
  color-scheme:dark;
  --bg:#0a0e1a; --bg-2:#0f1424; --panel:#121829; --panel-2:#171e33; --line:rgba(255,255,255,.10);
  --ink:#eef2ff; --muted:#8d97b5; --accent:#5b8cff; --accent-soft:rgba(91,140,255,.14); --on-accent:#0a0e1a;
  --live:#ff7a59; --ok:#3fd19f; --err:#ff8a7a;
  --f-head:Unbounded,"Arial Black",system-ui,sans-serif; --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:16px; --ease:cubic-bezier(.22,1,.36,1);
  --mk-bg:#070a13; --mk-tile:#151c30; --mk-ui:#1d2640;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);position:relative;color:var(--ink);font:16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent)}
img,svg{display:block;max-width:100%}
h1,h2,h3{font-family:var(--f-head);font-weight:600;margin:0;text-wrap:balance}
h2{font-size:36px;line-height:1.15;letter-spacing:-.01em;margin-bottom:34px;max-width:760px}
h3{font-size:17px;line-height:1.3}
p{margin:0}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--accent);color:var(--on-accent);padding:8px 14px;border-radius:8px}
.skip:focus{left:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.eyebrow{font:600 13px var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.ic{width:22px;height:22px;fill:currentColor;flex:0 0 auto}

/* кнопки и логотип */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 22px;font:600 15px var(--f-body);
  text-decoration:none;white-space:nowrap;border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),background .2s,border-color .2s}
.btn.primary{background:var(--accent);color:var(--on-accent)}
.btn.primary:hover{background:#7aa2ff;transform:translateY(-1px)}
.btn.ghost{border-color:rgba(255,255,255,.18);color:var(--ink)}
.btn.ghost:hover{border-color:rgba(255,255,255,.4)}
.btn.small{padding:9px 16px;font-size:14px}
.btn:disabled{opacity:.6;cursor:default;transform:none}
.logo{display:inline-flex;align-items:center;gap:7px;font:600 18px var(--f-head);color:var(--ink);text-decoration:none;white-space:nowrap}
.logo .live{color:var(--accent)}
.logo .dot{width:9px;height:9px;border-radius:50%;background:var(--live);box-shadow:0 0 0 4px rgba(255,122,89,.22);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(255,122,89,0)}}

/* шапка */
.site-header{position:sticky;top:0;z-index:50;padding-top:env(safe-area-inset-top,0px);transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(10,14,26,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom-color:var(--line)}
.header-row{display:flex;align-items:center;gap:28px;height:70px}
.nav{display:flex;gap:24px;margin-left:auto;font-size:14.5px}
.nav a{color:var(--muted);text-decoration:none}
.nav a:hover{color:var(--ink)}

/* первый экран */
.hero{position:relative;padding-top:28px;overflow:hidden;
  background:radial-gradient(900px 420px at 50% 100%,rgba(91,140,255,.26),transparent 70%)}
.hero-inner{display:grid;justify-items:center;text-align:center}
.hero h1{font-size:54px;line-height:1.1;letter-spacing:-.015em;max-width:880px;margin-bottom:18px}
.hero .lead{font-size:18.5px;color:var(--muted);max-width:620px;margin-bottom:28px}
.ctas{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.stage-wrap{position:relative;width:min(980px,100%);margin-top:36px;margin-bottom:-40px;perspective:1600px}
/* окно звонка «выпрямляется» из наклона по мере прокрутки: --tilt ставит landing.js */
.stage-wrap .mk{transform:rotateX(var(--tilt,0deg)) scale(var(--tscale,1));transform-origin:50% 0;will-change:transform}

/* макет звонка (по мотивам public/assets/call.js) */
.mk{position:relative;height:500px;background:var(--mk-bg);border-radius:16px 16px 0 0;overflow:hidden;color:#f1f4f2;
  box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.08)}
.mk-bar{height:36px;display:flex;align-items:center;gap:6px;padding:0 14px;background:var(--mk-ui)}
.mk-bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.18)}
.mk-url{margin-left:10px;flex:0 1 280px;height:21px;border-radius:6px;background:rgba(0,0,0,.25);font-size:11.5px;display:flex;align-items:center;padding:0 10px;color:rgba(255,255,255,.7)}
.mk-url b{color:#fff;font-weight:600}
.mk-screen{position:absolute;inset:36px 0 0}
.mk-stage{position:absolute;inset:10px 10px 104px;display:flex;gap:10px}
.mk-share{display:none;flex:1;min-width:0;border-radius:10px;background:#f4f1ea;color:#1d2522;position:relative;overflow:hidden;padding:18px;text-align:left}
.mk-share h4{margin:0 0 4px;font:600 16px var(--f-body)}
.mk-share p{font-size:12px;color:#5d6560;margin-bottom:14px}
.mk-share .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mk-share .card{border-radius:8px;background:#fff;padding:8px;box-shadow:0 1px 3px rgba(0,0,0,.08);font-size:11px}
.mk-share .card i{display:block;height:74px;border-radius:6px;margin-bottom:6px}
.mk-share .c1{background:#e8d9c8}.mk-share .c2{background:#d5e2dc}.mk-share .c3{background:#e6d3d7}
.share-lbl{position:absolute;left:8px;bottom:8px;font-size:11px;padding:3px 8px;border-radius:6px;background:rgba(0,0,0,.55);color:#fff}
.mk-grid{flex:1;min-width:0;display:grid;grid-template-columns:1fr 0fr;grid-template-rows:1fr;gap:0;
  transition:grid-template-columns .7s var(--ease),grid-template-rows .7s var(--ease),gap .7s}
.mk-tile{position:relative;border-radius:10px;overflow:hidden;min-width:0;min-height:0;display:flex;align-items:flex-end;justify-content:center;
  opacity:0;transform:scale(.96);transition:opacity .6s,transform .6s var(--ease),box-shadow .3s}
/* живое видео людей (media/CREDITS.md): постер виден сразу, ролик — по прокрутке */
.lv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;background:#1a2133}
.mk-tile .nm,.mk-self .nm{z-index:2;position:absolute;left:8px;bottom:8px;font-size:12px;padding:3px 8px;border-radius:6px;background:rgba(0,0,0,.5);white-space:nowrap}
.mk-tile.speaking::after{content:"";position:absolute;inset:0;border-radius:10px;box-shadow:inset 0 0 0 2px var(--ok);z-index:2}
.mk-wait{position:absolute;inset:0 0 70px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.7);opacity:0;transition:opacity .4s}
.mk-wait .ring{width:34px;height:34px;border-radius:50%;border:2px solid rgba(255,255,255,.25);border-top-color:var(--accent);animation:spin 1.1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.mk-self{position:absolute;right:16px;bottom:112px;width:21%;aspect-ratio:16/10;border-radius:9px;overflow:hidden;display:flex;align-items:flex-end;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.45);z-index:3}
.mk-self .nm{font-size:10.5px;left:5px;bottom:5px;padding:1px 6px}
.mk-controls{position:absolute;left:0;right:0;bottom:48px;display:flex;justify-content:center;gap:9px}
.mk-btn{width:42px;height:42px;border-radius:50%;background:var(--mk-ui);display:flex;align-items:center;justify-content:center;transition:background .3s}
.mk-btn svg{width:19px;height:19px;fill:#fff;transition:fill .3s}
.mk-btn.leave{width:54px;border-radius:21px;background:#c8483f}
.mk-toast{position:absolute;top:16px;left:50%;transform:translate(-50%,-14px);opacity:0;padding:8px 14px;border-radius:9px;background:rgba(24,30,40,.94);font-size:13px;display:flex;gap:8px;align-items:center;white-space:nowrap;z-index:4;transition:opacity .5s,transform .5s var(--ease)}
.mk-toast::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok)}
.mk-vol{position:absolute;left:50%;bottom:100px;width:min(320px,80%);transform:translate(-50%,10px);opacity:0;background:rgba(24,30,40,.96);border-radius:11px;padding:10px 13px;display:grid;grid-template-columns:1fr auto;gap:6px 10px;align-items:center;font-size:12px;z-index:4;transition:opacity .45s,transform .45s var(--ease);text-align:left}
.mk-vol span{grid-column:1/-1;color:rgba(255,255,255,.65)}
.mk-vol .track{height:6px;border-radius:3px;background:rgba(255,255,255,.15);position:relative}
.mk-vol .fill{position:absolute;left:0;top:0;bottom:0;width:83.3%;border-radius:3px;background:var(--accent)}
.mk-vol .fill::after{content:"";position:absolute;right:-7px;top:50%;width:14px;height:14px;border-radius:50%;background:#fff;transform:translateY(-50%)}
.mk-vol b{font-variant-numeric:tabular-nums;min-width:42px;text-align:right}

/* состояния: 0 ожидание → 1 клиент вошёл → 2 второй участник → 3 громкость → 4 показ экрана */
.mk[data-s="0"] .mk-wait{opacity:1}
.mk[data-s="1"] .t1,.mk[data-s="2"] .mk-tile,.mk[data-s="3"] .mk-tile,.mk[data-s="4"] .mk-tile{opacity:1;transform:none}
.mk[data-s="1"] .mk-toast{opacity:1;transform:translate(-50%,0)}
.mk[data-s="2"] .mk-grid,.mk[data-s="3"] .mk-grid{grid-template-columns:1fr 1fr;gap:10px}
.mk[data-s="3"] .mk-vol{opacity:1;transform:translate(-50%,0)}
.mk[data-s="3"] .b-vol,.mk[data-s="4"] .b-screen{background:var(--accent)}
.mk[data-s="3"] .b-vol svg,.mk[data-s="4"] .b-screen svg{fill:var(--mk-bg)}
.mk[data-s="4"] .mk-share{display:block}
.mk[data-s="4"] .mk-grid{flex:0 0 24%;grid-template-columns:1fr;grid-template-rows:1fr 1fr;gap:10px}

.callout{position:absolute;font-size:13.5px;padding:7px 13px;border-radius:999px;background:rgba(10,14,26,.86);border:1px solid rgba(91,140,255,.45);color:#dfe7ff;white-space:nowrap;z-index:4;backdrop-filter:blur(6px)}
.callout::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:middle}
.callout.c1{left:-74px;top:22%}.callout.c2{right:-62px;top:13%}.callout.c3{right:-86px;top:50%}.callout.c4{left:-44px;top:64%}

/* фон: медленно дрейфующие световые пятна (анимируется только transform) */
.bg-orbs{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg-orbs i{position:absolute;width:46vw;height:46vw;max-width:680px;max-height:680px;border-radius:50%;filter:blur(90px);opacity:.16;
  background:var(--accent);animation:drift 38s ease-in-out infinite alternate}
.bg-orbs i:nth-child(1){left:-12vw;top:30vh}
.bg-orbs i:nth-child(2){right:-14vw;top:120vh;background:#7a5bff;opacity:.10;animation-duration:46s;animation-delay:-12s}
.bg-orbs i:nth-child(3){left:30vw;top:220vh;background:var(--live);opacity:.07;animation-duration:52s;animation-delay:-20s}
@keyframes drift{0%{transform:translate3d(0,0,0)}50%{transform:translate3d(8vw,-6vh,0)}100%{transform:translate3d(-4vw,10vh,0)}}

/* секции */
.section{padding-block:104px;position:relative}
.section.alt{background:rgba(15,20,36,.72);border-block:1px solid rgba(255,255,255,.04)}
.hero + .section{padding-top:128px}
.section-lead{color:var(--muted);font-size:17px;max-width:560px;margin:-18px 0 26px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card b{color:var(--ink);font-weight:600}
.feature-ic{width:38px;height:38px;padding:8px;border-radius:11px;background:var(--accent-soft);color:var(--accent);margin-bottom:14px}

/* ---------- Как это работает: закреплённая сцена ---------- */
.how{padding-block:0}
.how-track{height:320vh;position:relative}
.how-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center;overflow:hidden}
.how-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.how .steps{list-style:none;margin:0;padding:0;display:grid;gap:10px;position:relative}
.how .steps li{display:flex;gap:16px;padding:18px 18px;border-radius:14px;border:1px solid transparent;opacity:.45;transition:opacity .5s var(--ease),background .5s,border-color .5s}
.how .steps li p{color:var(--muted);font-size:15px;max-height:0;overflow:hidden;transition:max-height .6s var(--ease),margin .6s;margin-top:0}
.how .steps li h3{margin-top:8px}
.how[data-step="0"] li[data-i="0"],.how[data-step="1"] li[data-i="1"],.how[data-step="2"] li[data-i="2"]{opacity:1;background:var(--panel);border-color:var(--line)}
.how[data-step="0"] li[data-i="0"] p,.how[data-step="1"] li[data-i="1"] p,.how[data-step="2"] li[data-i="2"] p{max-height:120px;margin-top:6px}
.step-n{flex:0 0 auto;display:inline-flex;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;font:600 16px var(--f-head);background:var(--accent-soft);color:var(--accent)}
.how-progress{height:3px;border-radius:2px;background:rgba(255,255,255,.08);margin-top:22px;overflow:hidden}
.how-progress i{display:block;height:100%;width:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(var(--p,0))}
.how-stage{position:relative;height:min(560px,70vh)}
.scene{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(24px) scale(.97);pointer-events:none;
  transition:opacity .6s var(--ease),transform .7s var(--ease)}
.scene.on{opacity:1;transform:none}

/* шаг 1 — панель компании */
.panel-mock{position:relative;width:min(520px,100%);border-radius:14px;background:#f5f7fb;color:#1a2233;box-shadow:0 30px 70px rgba(0,0,0,.5);overflow:hidden}
.pm-bar{height:34px;display:flex;align-items:center;gap:6px;padding:0 12px;background:#e3e8f2}
.pm-bar i{width:10px;height:10px;border-radius:50%;background:#c6cedc}
.pm-bar span{margin-left:10px;font-size:11.5px;color:#56607a;background:#fff;border-radius:6px;padding:3px 10px}
.pm-body{padding:18px}
.pm-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:15px}
.pm-btn{background:#1f5f55;color:#fff;font-size:12.5px;padding:7px 12px;border-radius:7px;transition:transform .15s}
.pm-row{display:flex;align-items:center;gap:12px;padding:11px 4px;border-top:1px solid #e3e8f0;font-size:13px}
.pm-row span:nth-child(2){flex:1;display:grid}
.pm-row small{color:#76809a;font-size:11.5px}
.pm-dot{width:9px;height:9px;border-radius:50%;background:#2fbf86}
.pm-dot.off{background:#c3cad6}
.pm-chip{font-size:11.5px;padding:5px 10px;border-radius:6px;background:#1f5f55;color:#fff}
.pm-chip.ghost{background:#e8edf5;color:#3a4560}
.pm-new{background:#eaf6f1;border-radius:8px;opacity:0;transform:translateY(-8px);transition:opacity .5s var(--ease) 1.1s,transform .5s var(--ease) 1.1s}
.scene-0.on .pm-new{opacity:1;transform:none}
.cursor{position:absolute;width:22px;height:22px;fill:#fff;stroke:#1a2233;stroke-width:1.5;left:60%;top:80%;
  filter:drop-shadow(0 2px 3px rgba(0,0,0,.3));transition:left .9s var(--ease),top .9s var(--ease)}
.scene-0.on .cursor{left:83%;top:66px;animation:click .25s 1s}
.scene-0.on .pm-btn{animation:press .25s 1s}
@keyframes click{50%{transform:scale(.8)}}
@keyframes press{50%{transform:scale(.94)}}

/* шаг 2 — ссылка в мессенджере */
.chat{width:min(380px,100%);border-radius:18px;background:#101826;border:1px solid var(--line);padding:14px;box-shadow:0 30px 70px rgba(0,0,0,.5);display:grid;gap:10px}
.chat-head{display:flex;gap:10px;align-items:center;padding-bottom:10px;border-bottom:1px solid var(--line)}
.chat-head span:last-child{display:grid;font-size:14px}
.chat-head small{color:var(--ok);font-size:11.5px}
.chat-ava{width:34px;height:34px;border-radius:50%;background:#c98f6c;display:flex;align-items:center;justify-content:center;font-weight:600}
.bubble{max-width:85%;padding:9px 12px;border-radius:14px;font-size:13.5px;line-height:1.4;opacity:0;transform:translateY(10px) scale(.96);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.bubble.out{justify-self:end;background:#2b5bd7;border-bottom-right-radius:4px}
.bubble.in{justify-self:start;background:#233047;border-bottom-left-radius:4px}
.link-card{display:grid;gap:3px;background:#2b5bd7}
.lc-site{font-size:11px;opacity:.8}
.lc-url{font:11.5px ui-monospace,Menlo,monospace;opacity:.85;word-break:break-all}
.ticks{justify-self:end;display:flex;margin-top:2px}
.ticks svg{width:14px;height:14px;fill:#9fd4ff;margin-left:-7px}
.scene-1.on .b1{opacity:1;transform:none;transition-delay:.15s}
.scene-1.on .b2{opacity:1;transform:none;transition-delay:.7s}
.scene-1.on .b3{opacity:1;transform:none;transition-delay:1.8s}
.copied{position:absolute;top:10%;right:4%;display:flex;gap:8px;align-items:center;font-size:13px;padding:8px 13px;border-radius:999px;background:rgba(63,209,159,.14);color:var(--ok);border:1px solid rgba(63,209,159,.35);
  opacity:0;transform:translateY(-6px);transition:all .5s var(--ease) .3s}
.copied svg{width:16px;height:16px;fill:currentColor}
.scene-1.on .copied{opacity:1;transform:none}

/* шаг 3 — звонок на телефоне клиента */
.phone{width:250px;aspect-ratio:9/19;border-radius:38px;border:9px solid #05070d;background:#05070d;box-shadow:0 30px 70px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.08);position:relative}
.phone::before{content:"";position:absolute;top:8px;left:50%;width:80px;height:20px;border-radius:12px;background:#05070d;transform:translateX(-50%);z-index:5}
.phone-screen{position:absolute;inset:0;border-radius:30px;overflow:hidden;background:#0b1020}
.ph-name{position:absolute;left:12px;bottom:72px;font-size:11.5px;padding:3px 8px;border-radius:6px;background:rgba(0,0,0,.5);z-index:2}
.ph-self{position:absolute;right:10px;bottom:72px;width:32%;aspect-ratio:3/4;border-radius:10px;overflow:hidden;box-shadow:0 6px 16px rgba(0,0,0,.5);z-index:2}
.ph-controls{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:7px;z-index:2}
.ph-controls i{width:34px;height:34px;border-radius:50%;background:rgba(29,38,64,.9);display:flex;align-items:center;justify-content:center}
.ph-controls i.leave{width:42px;border-radius:17px;background:#c8483f}
.ph-controls svg{width:16px;height:16px;fill:#fff}
.ph-join{position:absolute;inset:0;z-index:4;background:#0b1020;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;padding:20px;
  transition:opacity .6s var(--ease) 1.2s}
.ph-join span{font-size:12px;color:var(--muted)}
.ph-join b{font:600 16px var(--f-head)}
.ph-join em{font-style:normal;margin-top:14px;background:var(--accent);color:var(--on-accent);padding:10px 18px;border-radius:999px;font-weight:600;font-size:14px}
.scene-2.on .ph-join{opacity:0;pointer-events:none}
.scene-2.on .ph-join em{animation:press .3s .8s}
.ph-badge{position:absolute;left:0;top:14%;display:flex;gap:8px;align-items:center;font-size:13px;padding:9px 14px;border-radius:999px;background:rgba(10,14,26,.9);border:1px solid rgba(91,140,255,.45);
  opacity:0;transform:translateX(-10px);transition:all .5s var(--ease) 1.6s}
.ph-badge svg{width:16px;height:16px;fill:var(--ok)}
.scene-2.on .ph-badge{opacity:1;transform:none}

/* ---------- Возможности: бенто-сетка с живыми мини-интерфейсами ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:auto;gap:16px}
.cell{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px;overflow:hidden;display:flex;flex-direction:column}
.cell h3{margin-bottom:8px}
.cell p{color:var(--muted);font-size:14.5px}
.cell b{color:var(--ink);font-weight:600}
.cell .feature-ic{display:none}
.viz{position:relative;height:150px;margin:-4px -4px 18px;border-radius:12px;background:rgba(0,0,0,.25);overflow:hidden}
.c-multi{grid-column:span 2;grid-row:span 2}
.c-multi .viz{height:auto;flex:1;min-height:260px}
.c-volume{grid-column:span 2}
.c-panel{grid-column:span 2}
.c-revoke{grid-column:span 4;display:grid;grid-template-columns:1.1fr 1fr;column-gap:28px;align-items:center}
.c-revoke .viz{grid-row:span 2;margin:0;height:130px}
.c-revoke h3{align-self:end}
.c-revoke p{align-self:start}

/* несколько участников: 1 → 2 → 3 плитки */
.multi{display:grid;gap:6px;padding:6px;grid-template-columns:1fr 0fr;grid-template-rows:1fr 0fr;
  transition:grid-template-columns .8s var(--ease),grid-template-rows .8s var(--ease)}
.multi[data-n="2"]{grid-template-columns:1fr 1fr;grid-template-rows:1fr 0fr}
.multi[data-n="3"]{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.mt{position:relative;border-radius:9px;overflow:hidden;min-width:0;min-height:0;opacity:0;transition:opacity .6s var(--ease)}
.mt span{position:absolute;left:6px;bottom:6px;z-index:2;font-size:11px;padding:2px 7px;border-radius:5px;background:rgba(0,0,0,.5)}
.t-a{grid-column:1;grid-row:1;opacity:1}
.t-b{grid-column:2;grid-row:1}
.t-c{grid-column:1 / span 2;grid-row:2}
.multi[data-n="2"] .t-b,.multi[data-n="3"] .t-b,.multi[data-n="3"] .t-c{opacity:1}

/* громкость: эквалайзер + ползунок */
.volume{display:flex;flex-direction:column;justify-content:center;gap:16px;padding:16px 20px}
.eq{display:flex;align-items:flex-end;gap:5px;height:62px}
.eq i{flex:1;border-radius:3px;background:linear-gradient(to top,var(--accent),#9fb8ff);height:20%;transform-origin:bottom;
  animation:eq 1.1s ease-in-out infinite;animation-delay:calc(var(--d) * -73ms);animation-play-state:paused}
.cell.on .eq i{animation-play-state:running}
@keyframes eq{0%,100%{height:18%}30%{height:70%}60%{height:38%}80%{height:92%}}
.vol-row{display:flex;align-items:center;gap:12px}
.vol-row svg{width:20px;height:20px;fill:var(--accent)}
.vtrack{flex:1;height:6px;border-radius:3px;background:rgba(255,255,255,.12);position:relative}
.vfill{position:absolute;left:0;top:0;bottom:0;width:33%;border-radius:3px;background:var(--accent);transition:width 2.2s var(--ease)}
.vfill::after{content:"";position:absolute;right:-7px;top:50%;width:14px;height:14px;border-radius:50%;background:#fff;transform:translateY(-50%)}
.cell.on .vfill{width:100%}
.vpct{font-variant-numeric:tabular-nums;min-width:48px;text-align:right}

/* вход по ссылке */
.linkviz{display:flex;align-items:center;justify-content:center}
.lk{display:flex;align-items:center;gap:8px;max-width:88%;padding:10px 14px;border-radius:10px;background:#2b5bd7;font:12px ui-monospace,Menlo,monospace;white-space:nowrap;overflow:hidden}
.lk svg{width:16px;height:16px;fill:#fff;flex:0 0 auto}
.lk-t{overflow:hidden;text-overflow:ellipsis}
.tap{position:absolute;left:58%;top:58%;width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.7);opacity:0}
.cell.on .tap{animation:tap 2.6s var(--ease) infinite}
@keyframes tap{0%,40%{opacity:0;transform:scale(.4)}50%{opacity:.9;transform:scale(1)}70%{opacity:0;transform:scale(2.4)}100%{opacity:0}}

/* показ экрана: окно «выезжает» на сцену */
.share .sh-cam{position:absolute;right:8px;bottom:8px;width:34%;aspect-ratio:4/3;border-radius:8px;overflow:hidden;z-index:2;box-shadow:0 6px 14px rgba(0,0,0,.5)}
.sh-win{position:absolute;left:8px;top:8px;right:8px;bottom:8px;border-radius:8px;background:#f4f1ea;transform:translateY(110%);transition:transform 1s var(--ease) .3s;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:24px 10px 10px}
.sh-win::before{content:"Каталог · показ экрана";position:absolute;left:10px;top:6px;font-size:10.5px;color:#1d2522;font-weight:600}
.sh-win i{border-radius:6px;background:#e8d9c8}
.sh-win i:nth-child(2){background:#d5e2dc}.sh-win i:nth-child(3){background:#e6d3d7}
.cell.on .sh-win{transform:none}

/* смена камеры: переворот фронтальная ↔ задняя */
.flip{perspective:800px;display:flex;align-items:center;justify-content:center}
.fp{position:relative;width:62%;height:86%;transform-style:preserve-3d;transition:transform .9s var(--ease)}
.fp-face{position:absolute;inset:0;border-radius:12px;overflow:hidden;backface-visibility:hidden;border:3px solid #05070d}
.fp-face span{position:absolute;left:6px;top:6px;z-index:2;font-size:10.5px;padding:2px 7px;border-radius:5px;background:rgba(0,0,0,.55)}
.fp-face.back{transform:rotateY(180deg)}
.flip[data-side="back"] .fp{transform:rotateY(180deg)}

/* свой адрес: адресная строка печатает домен */
.domain{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.addr{display:flex;align-items:center;gap:8px;width:86%;padding:11px 14px;border-radius:999px;background:#eef2ff;color:#0a0e1a;font-size:14px;font-weight:600}
.addr svg{width:15px;height:15px;fill:#2fbf86}
.caret{width:2px;height:16px;background:#0a0e1a;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.addr-sub{font-size:12px;color:var(--muted)}

/* панель сотрудников */
.panelviz{display:grid;align-content:center;gap:6px;padding:12px 16px}
.pv-row{display:flex;align-items:center;gap:10px;font-size:13px;padding:6px 8px;border-radius:8px;background:rgba(255,255,255,.03);opacity:0;transform:translateX(-10px);transition:all .5s var(--ease)}
.pv-row span:nth-child(2){flex:1;display:grid}
.pv-row small{color:var(--muted);font-size:11px}
.pv-row em{font-style:normal;font-size:11.5px;color:var(--muted)}
.pv-row em.on{color:var(--ok)}
.pv-row em.on::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);margin-right:6px;animation:pulse-ok 1.8s infinite}
@keyframes pulse-ok{50%{box-shadow:0 0 0 5px rgba(63,209,159,.2)}}
.av{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;background:hsl(var(--h) 45% 40%)}
.pv-alert{background:rgba(255,122,89,.1);color:#ffb39f;font-size:12px}
.pv-alert svg{width:16px;height:16px;fill:var(--live);flex:0 0 auto}
.cell.on .pv-row{opacity:1;transform:none}
.cell.on .pv-row:nth-child(2){transition-delay:.15s}.cell.on .pv-row:nth-child(3){transition-delay:.3s}.cell.on .pv-row:nth-child(4){transition-delay:1.2s}

/* отзыв ссылки */
.revoke{display:flex;align-items:center;justify-content:center}
.rv-card{display:flex;align-items:center;gap:12px;width:90%;padding:12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);transition:opacity .5s}
.rv-av{position:relative;width:64px;height:48px;border-radius:8px;overflow:hidden;flex:0 0 auto;transition:filter .5s,opacity .5s}
.rv-card > span:nth-child(2){flex:1;display:grid;font-size:14px}
.rv-state{position:relative;height:16px}
.rv-state i{position:absolute;left:0;font-style:normal;font-size:12px;white-space:nowrap;transition:opacity .4s}
.st-on{color:var(--ok)}.st-off{color:var(--err);opacity:0}
.rv-btn{font-size:12.5px;padding:7px 12px;border-radius:8px;background:#c8483f;color:#fff;transition:transform .15s,opacity .4s}
.revoke[data-state="off"] .rv-av{filter:grayscale(1);opacity:.35}
.revoke[data-state="off"] .st-on{opacity:0}
.revoke[data-state="off"] .st-off{opacity:1}
.revoke[data-state="off"] .rv-btn{opacity:.35}
.revoke[data-state="press"] .rv-btn{transform:scale(.92)}

/* ---------- Для кого: устройство с живым видео ---------- */
.audiences{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.audience{display:flex;flex-direction:column;gap:14px;padding:18px 18px 22px}
.audience h3{margin:0;font-size:20px}
.aud-media{height:230px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:radial-gradient(260px 140px at 50% 100%,rgba(91,140,255,.22),transparent 70%),rgba(0,0,0,.2);
  overflow:hidden;will-change:transform}
.aud-frame{position:relative;overflow:hidden;background:#000;box-shadow:0 18px 40px rgba(0,0,0,.5);transform:translateY(var(--par,0px));transition:transform .1s linear}
.is-phone .aud-frame{width:118px;aspect-ratio:9/18;border-radius:20px;border:6px solid #05070d}
.is-laptop .aud-frame{width:84%;aspect-ratio:16/10;border-radius:10px 10px 4px 4px;border:6px solid #05070d;border-bottom-width:14px}
.is-tablet .aud-frame{width:62%;aspect-ratio:4/3;border-radius:16px;border:8px solid #05070d}
.live-pill{position:absolute;left:6px;top:6px;z-index:2;display:flex;gap:5px;align-items:center;font-size:10px;padding:3px 7px;border-radius:999px;background:rgba(0,0,0,.6);white-space:nowrap}
.live-pill i{width:6px;height:6px;border-radius:50%;background:var(--live);animation:pulse 2s infinite}
.live-pill b{font-variant-numeric:tabular-nums;font-weight:600}
.is-phone .live-pill{font-size:8.5px}
.aud-badge{position:absolute;right:6px;bottom:6px;z-index:2;display:flex;gap:5px;align-items:center;font-size:10.5px;padding:4px 8px;border-radius:999px;background:rgba(91,140,255,.9);color:#0a0e1a;font-weight:600;white-space:nowrap}
.aud-badge svg{width:12px;height:12px;fill:currentColor}
.is-phone .aud-badge{font-size:8.5px;left:6px;right:6px;justify-content:center}
.audience ul,.price-card ul{list-style:none;margin:auto 0 0;padding:14px 0 0;border-top:1px solid var(--line);display:grid;gap:9px}
.audience li,.price-card li{display:flex;gap:10px;font-size:14.5px;align-items:flex-start}
.tick{width:18px;height:18px;color:var(--ok);margin-top:2px}

/* ---------- Безопасность: схема соединения ---------- */
.sec-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.sec-grid h2{margin-bottom:28px}
.net{position:relative;aspect-ratio:520/220;max-width:620px}
.net-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.ln{fill:none;stroke:rgba(91,140,255,.35);stroke-width:2;transition:stroke .5s,opacity .5s}
.pk{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-dasharray:6 34;opacity:0;transition:opacity .5s}
.net[data-s="1"] .pk{opacity:1;animation:flow 1.4s linear infinite}
.net[data-s="0"] .pk-right2{opacity:1;animation:flow 1.4s linear infinite}
.pk-left2,.pk-right2{stroke:#9fd4ff}
@keyframes flow{to{stroke-dashoffset:-40}}
.net[data-s="2"] .l-right{stroke:var(--err);stroke-dasharray:4 6;opacity:.6}
.node{position:absolute;top:50%;transform:translate(-50%,-50%);display:grid;justify-items:center;gap:4px;text-align:center;font-size:13px;width:130px}
.node small{color:var(--muted);font-size:11px;position:relative;height:14px;width:100%}
.n-cons{left:17.7%}.n-srv{left:50%}.n-cli{left:82.3%}
.ava{width:62px;height:62px;border-radius:50%;overflow:hidden;border:2px solid var(--accent);box-shadow:0 0 0 6px rgba(91,140,255,.12);transition:filter .5s,border-color .5s,opacity .5s}
.ava img{width:100%;height:100%;object-fit:cover}
.net[data-s="2"] .n-cli .ava{filter:grayscale(1);opacity:.4;border-color:var(--err);box-shadow:none}
.srv{width:92px;height:62px;border-radius:14px;background:var(--panel-2);border:1px solid rgba(91,140,255,.5);display:flex;align-items:center;justify-content:center;box-shadow:0 0 30px rgba(91,140,255,.25)}
.logo-mini{font:600 10.5px var(--f-head);display:flex;align-items:center;gap:3px;white-space:nowrap}
.logo-mini i{width:6px;height:6px;border-radius:50%;background:var(--live)}
.cli-state i{position:absolute;left:0;right:0;font-style:normal;transition:opacity .4s}
.cli-state .st-2{opacity:0;color:var(--err)}
.net[data-s="2"] .cli-state .st-1{opacity:0}
.net[data-s="2"] .cli-state .st-2{opacity:1}
.lock{position:absolute;top:calc(50% - 38px);width:24px;height:24px;border-radius:50%;background:var(--bg);border:1px solid rgba(63,209,159,.5);display:flex;align-items:center;justify-content:center}
.lock svg{width:12px;height:12px;fill:var(--ok)}
.lock.l1{left:calc(33.8% - 12px)}.lock.l2{left:calc(66.2% - 12px)}
.net[data-s="2"] .lock.l2{opacity:.2}
.net-caption{position:absolute;left:0;right:0;bottom:-6px;text-align:center;font-size:13.5px;color:var(--ink);height:20px}
.net-caption span{position:absolute;left:0;right:0;opacity:0;transition:opacity .4s}
.net[data-s="0"] .cap-0,.net[data-s="1"] .cap-1,.net[data-s="2"] .cap-2{opacity:1}
.net[data-s="2"] .cap-2{color:#ffb39f}
.security{display:grid;gap:0}
.sec-item{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.sec-ic{width:26px;height:26px;color:var(--accent);margin-top:2px}
.sec-item h3{margin-bottom:6px}
.sec-item p{color:var(--muted);font-size:15px}

/* ---------- Тарифы: бегущий блик по рамке ---------- */
.pricing{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.pricing h2{margin-bottom:34px}
.price-card{position:relative;border-radius:18px;padding:1px;overflow:hidden;background:var(--line)}
.price-card::before{content:"";position:absolute;inset:-60%;background:conic-gradient(from 0deg,transparent 0 70%,rgba(91,140,255,.9) 80%,transparent 90%);animation:spin 6s linear infinite;animation-play-state:paused}
.price-card.on::before{animation-play-state:running}
.price-inner{position:relative;border-radius:17px;background:var(--panel);padding:26px}
.price-inner h3{margin-bottom:6px}
.price-card ul{margin-top:10px;border-top:0;padding-top:0;gap:12px}
.price-card li{font-size:15.5px;opacity:0;transform:translateX(-8px);transition:all .45s var(--ease)}
.price-card.on li{opacity:1;transform:none}
.price-card.on li:nth-child(2){transition-delay:.12s}.price-card.on li:nth-child(3){transition-delay:.24s}.price-card.on li:nth-child(4){transition-delay:.36s}.price-card.on li:nth-child(5){transition-delay:.48s}.price-card.on li:nth-child(6){transition-delay:.6s}

/* ---------- Что нового: таймлайн прорисовывается ---------- */
.timeline-l{position:relative;display:grid;gap:18px;padding-left:34px;max-width:820px}
.timeline-l::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent),rgba(91,140,255,.1));transform-origin:top;transform:scaleY(0);transition:transform 1.4s var(--ease)}
.timeline-l.on::before{transform:scaleY(1)}
.tl-item{position:relative}
.tl-dot{position:absolute;left:-31px;top:24px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 0 5px rgba(91,140,255,.12)}
.update-meta{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:10px}
.ver{font:600 12px ui-monospace,Menlo,monospace;color:var(--ok);background:rgba(63,209,159,.1);padding:2px 7px;border-radius:5px}
.update ul{margin:10px 0 0;padding-left:18px;color:var(--muted);font-size:14.5px;display:grid;gap:5px}
.more-link{display:inline-block;margin-top:22px;text-decoration:none;font-weight:600}

/* ---------- Частые вопросы: плавное раскрытие ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
.faq{display:grid;gap:10px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:border-color .3s}
.faq details[open]{border-color:rgba(91,140,255,.4)}
.faq summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font:500 22px var(--f-head);color:var(--accent);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq-a{overflow:hidden}
.faq-a p{color:var(--muted);padding:0 0 18px;font-size:15px}

/* ---------- Заявка ---------- */
.lead-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.after{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:0;position:relative}
.after li{display:flex;gap:14px;align-items:center;padding:10px 0;position:relative;opacity:.35;transition:opacity .5s var(--ease)}
.after li:not(:last-child)::after{content:"";position:absolute;left:17px;top:46px;width:2px;height:calc(100% - 36px);background:var(--line)}
.after .af-n{width:36px;height:36px;flex:0 0 auto;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font:600 14px var(--f-head);color:var(--muted);background:var(--bg);transition:all .5s var(--ease)}
.after .af-n svg{width:16px;height:16px;fill:currentColor}
.after li div{display:grid}
.after small{color:var(--muted);font-size:13px}
.after.on li{opacity:1}
.after.on li:nth-child(2){transition-delay:.3s}.after.on li:nth-child(3){transition-delay:.6s}.after.on li:nth-child(4){transition-delay:.9s}
.after.on li:first-child .af-n{border-color:var(--accent);color:var(--accent)}
.after.done li:first-child .af-n{background:var(--ok);border-color:var(--ok);color:var(--on-accent);box-shadow:0 0 0 6px rgba(63,209,159,.18)}
.lead-form{display:grid;gap:14px;padding:28px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lead-form label{display:grid;gap:6px;font-size:13.5px;color:var(--muted)}
.lead-form input,.lead-form select,.lead-form textarea{font:15px var(--f-body);color:var(--ink);background:var(--bg);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:11px 13px;width:100%}
.lead-form select option{background:#121829;color:#eef2ff}
.lead-form textarea{resize:vertical;min-height:96px}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.lead-form .consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px}
.lead-form .consent input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--accent);flex:0 0 auto}
.lead-form button{justify-self:start}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{padding:12px 14px;border-radius:10px;font-size:14.5px}
.form-status.ok{background:rgba(63,209,159,.12);color:var(--ok)}
.form-status.err{background:rgba(255,138,122,.12);color:var(--err)}

.site-footer{padding-block:40px calc(40px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);background:var(--bg)}
.footer-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.footer-row nav{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.footer-row a:not(.logo){color:var(--muted)}
.copy{width:100%;font-size:13px}

/* появление при прокрутке: класс «спрятать» ставит только JS */
.js-reveal .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js-reveal .reveal.in{opacity:1;transform:none}

@media (max-width:1100px){
  .callout{display:none}
  .bento{grid-template-columns:repeat(2,1fr)}
  .c-multi,.c-volume,.c-panel{grid-column:span 2}
  .c-multi{grid-row:auto}
  .c-revoke{grid-column:span 2}
}
@media (max-width:900px){
  .nav{display:none}
  .header-row .btn{margin-left:auto}
  h2{font-size:28px}
  .hero h1{font-size:40px}
  .mk{height:440px}
  /* На телефоне сцена тоже закреплена (2026-09-28, пользователь: «где
     анимации в мобильной версии»): сверху — активный шаг, под ним — сцена. */
  .how{padding-block:0}
  .how-track{height:300vh}
  .how-sticky{height:100svh;padding-top:70px;align-items:flex-start}
  .how-grid{grid-template-columns:1fr;gap:14px;padding-top:18px}
  .how h2{font-size:23px;margin-bottom:12px}
  .how .eyebrow{margin-bottom:8px}
  .how .steps{gap:0}
  .how .steps li{display:none;padding:12px 14px}
  .how[data-step="0"] li[data-i="0"],.how[data-step="1"] li[data-i="1"],.how[data-step="2"] li[data-i="2"]{display:flex}
  .how .steps li p{font-size:14px}
  .how-progress{margin-top:10px}
  .how-stage{height:min(50svh,430px)}
  .phone{width:auto;height:100%;max-width:46vw}
  .panel-mock,.chat{width:100%}
  .copied{top:-4px;right:0}
  .ph-badge{display:none}
  /* Иллюстрации шагов 2 и 3 на телефоне скрыты (решение пользователя
     2026-09-29); панель шага 1 остаётся видна на всех шагах. */
  .scene-1,.scene-2{display:none}
  .scene-0{opacity:1;transform:none}
  .ph-name{white-space:nowrap;font-size:10px;bottom:66px}
  .audiences,.timeline-l{grid-template-columns:1fr}
  .pricing,.faq-wrap,.lead-wrap,.sec-grid{grid-template-columns:1fr;gap:28px}
  .section{padding-block:72px}
}
@media (max-width:560px){
  .wrap{width:calc(100% - 32px)}
  .hero{padding-top:24px}
  .hero h1{font-size:33px}
  .hero .lead{font-size:16px}
  h2{font-size:25px;margin-bottom:26px}
  .bento{grid-template-columns:1fr}
  .c-multi,.c-volume,.c-panel,.c-revoke{grid-column:auto}
  .c-revoke{display:flex}
  .c-revoke .viz{margin:-4px -4px 18px;width:calc(100% + 8px);align-self:stretch}
  .c-revoke h3,.c-revoke p{align-self:auto;text-align:left;width:100%}
  .rv-card > span:nth-child(2){min-width:0;padding-right:6px}
  .rv-card{width:100%;gap:10px;padding:10px}
  .rv-av{width:52px;height:40px}
  .rv-btn{padding:6px 10px;font-size:12px}
  .grid2{grid-template-columns:1fr}
  .mk{height:420px}
  .mk-stage{inset:8px 8px 96px}
  .mk[data-s="2"] .mk-grid,.mk[data-s="3"] .mk-grid{grid-template-columns:1fr;grid-template-rows:1fr 1fr}
  .mk[data-s="4"] .mk-stage{flex-direction:column}
  .mk[data-s="4"] .mk-grid{flex:0 0 32%;grid-template-columns:1fr 1fr;grid-template-rows:1fr}
  .mk-share .cards{grid-template-columns:1fr 1fr}
  .mk-share .card:nth-child(3){display:none}
  .mk-share .card i{height:44px}
  .mk-self{width:26%;aspect-ratio:3/4;right:12px;bottom:104px}
  .mk-controls{gap:7px}
  .mk-btn{width:38px;height:38px}
  .mk-btn.leave{width:48px}
  .mk-url{flex-basis:170px}
  .section-lead{margin-top:-10px}
  .lead-form{padding:20px}
  .btn{padding:12px 18px}
  .node{width:96px;font-size:11.5px}
  .ava{width:48px;height:48px}
  .srv{width:70px;height:48px}
  .logo-mini{font-size:8.5px;gap:2px}
  .logo-mini i{width:5px;height:5px}
  .node small{display:none}
  .net{margin-bottom:24px}
  .copied{top:-4px;right:0}
}
/* «Уменьшение движения» в настройках телефона/ОС (2026-09-28): убираем
   только декоративное движение — фон, выезд блоков, наклон, параллакс,
   закреплённую сцену. Живое содержание остаётся: видео людей, сценарий
   звонка, мини-интерфейсы; состояния в них переключаются без плавных
   переходов. Раньше при этой настройке замирало всё, и на телефонах с
   энергосбережением сайт выглядел мёртвым. */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .bg-orbs{display:none}
  .js-reveal .reveal{opacity:1;transform:none;transition:none}
  .stage-wrap .mk,.aud-frame{transform:none!important}
  .mk *,.scene *,.cell *,.net *,.price-card *,.after *{transition-duration:0s!important;transition-delay:0s!important}
  .how{padding-block:104px}
  .how-track{height:auto}
  .how-sticky{position:static;height:auto;display:block;padding-top:0}
  .how .steps li{display:flex;opacity:1}
  .how .steps li p{max-height:none}
  .how-progress{display:none}
  .how-stage{height:auto;display:grid;gap:26px}
  .scene{position:relative;inset:auto;opacity:1;transform:none;min-height:380px}
  .pm-new,.bubble,.copied,.ph-badge{opacity:1;transform:none}
  .ph-join{display:none}
  .timeline-l::before{transform:none}
}

/* Первый экран должен показывать функции: на невысоких ноутбуках (1366×768)
   окно звонка ужимается по высоте окна, чтобы панель кнопок была видна сразу. */
@media (min-width:901px){
  .mk{height:clamp(320px,calc(100svh - 392px),500px)}
}
/* внутренние страницы: обновления, персональные данные */
.doc{padding-block:56px 90px}
.doc .wrap{max-width:780px}
.doc h1{font-size:34px;line-height:1.2;margin:28px 0 10px}
.doc h2{font-size:19px;margin:34px 0 12px}
.doc .updated{color:var(--muted);font-size:14px;margin-bottom:30px}
.doc p,.doc li{color:var(--muted);line-height:1.7}
.doc p + p{margin-top:12px}
.doc ul{padding-left:22px}
.doc .operator{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:20px 0 26px;color:var(--muted);line-height:1.7}
.doc .operator strong{color:var(--ink)}
.doc .back{display:inline-block;margin-top:40px;color:var(--muted)}
.timeline{display:grid;gap:18px;margin-top:10px}
.timeline .update h2{font-size:19px;margin:0 0 6px}
@media (max-width:560px){.doc h1{font-size:26px}}