:root {
      --bg:#111310; --surface:#181b17; --surface-2:#20231e; --ink:#f3f0e7;
      --muted:#a7aaa2; --line:rgba(243,240,231,.14); --yellow:#ffd238;
      --amber:#efae19; --danger:#ff725f; --ok:#a8d65b; --radius:22px;
      --max:1240px; --shadow:0 28px 80px rgba(0,0,0,.35);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;background:var(--bg)}
    body{margin:0;color:var(--ink);background:
      radial-gradient(circle at 78% 8%,rgba(255,210,56,.08),transparent 26rem),
      var(--bg);font-family:"Segoe UI Variable","Segoe UI",Arial,sans-serif;line-height:1.45}
    button,input,textarea{font:inherit}
    button,a{tap-highlight-color:transparent}
    a{color:inherit;text-decoration:none}
    .grain{position:fixed;inset:0;z-index:20;pointer-events:none;opacity:.15;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E")}
    .wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
    .nav{position:sticky;top:0;z-index:15;background:rgba(17,19,16,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .nav-inner{height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:750;letter-spacing:-.03em}
    .brand-mark{width:18px;height:18px;border:3px solid var(--yellow);border-radius:50%;position:relative}
    .brand-mark:after{content:"";position:absolute;width:8px;height:3px;background:var(--yellow);right:-7px;top:5px}
    .nav-links{display:flex;align-items:center;gap:24px;color:var(--muted);font-size:14px}
    .nav-links a:hover{color:var(--ink)}
    .btn{min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--yellow);color:#151713}.btn-primary:hover{background:#ffe06e;transform:translateY(-1px)}
    .btn-ghost{border-color:var(--line);background:transparent;color:var(--ink)}.btn-ghost:hover{border-color:rgba(255,210,56,.55)}
    .hero{min-height:calc(100vh - 70px);display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center;padding:78px 0 84px}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--yellow);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.14em;margin-bottom:24px}
    .eyebrow:before{content:"";width:32px;height:2px;background:var(--yellow)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(58px,6.5vw,104px);line-height:.92;letter-spacing:-.065em;margin-bottom:28px;max-width:820px}
    h2{font-size:clamp(42px,5vw,76px);line-height:.98;letter-spacing:-.055em;margin-bottom:20px}
    h3{font-size:26px;line-height:1.08;letter-spacing:-.035em}
    .lead{font-size:clamp(19px,2vw,25px);color:var(--muted);max-width:650px;margin-bottom:34px;text-wrap:pretty}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .legal-note{margin-top:22px;color:#7f837b;font-size:12px;max-width:620px}
    .console{position:relative;padding:14px;border:1px solid var(--line);border-radius:30px;background:rgba(243,240,231,.025);box-shadow:var(--shadow)}
    .console:before{content:"КОНЦЕПЦИЯ РАБОЧЕГО ПРОЦЕССА";position:absolute;right:18px;top:-14px;color:#151713;background:var(--yellow);padding:6px 10px;border-radius:999px;font-size:10px;font-weight:900;letter-spacing:.09em}
    .console-inner{background:var(--surface);border:1px solid rgba(255,255,255,.06);border-radius:21px;overflow:hidden}
    .console-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
    .dots{display:flex;gap:7px}.dots i{width:7px;height:7px;border-radius:50%;background:#4a4e47}.dots i:last-child{background:var(--yellow)}
    .persona{display:flex;gap:5px;background:#121410;padding:4px;border-radius:999px}.persona button{border:0;background:transparent;color:var(--muted);padding:7px 12px;border-radius:999px;font-size:12px;cursor:pointer}.persona button.active{background:var(--ink);color:#151713;font-weight:800}
    .console-body{display:grid;grid-template-columns:1fr .95fr;min-height:478px}
    .input-pane{padding:28px;border-right:1px solid var(--line)}
    .pane-label{font-size:11px;color:var(--yellow);font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:20px}
    label{display:block;color:var(--muted);font-size:12px;margin:17px 0 7px}
    input,textarea{width:100%;color:var(--ink);background:#10120f;border:1px solid var(--line);border-radius:12px;padding:13px 14px;outline:none;transition:.2s}
    textarea{resize:none;min-height:72px}
    input:focus,textarea:focus{border-color:var(--yellow);box-shadow:0 0 0 3px rgba(255,210,56,.1)}
    .budget-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}
    .run{width:100%;margin-top:20px}
    .output-pane{padding:28px 24px;background:linear-gradient(160deg,rgba(255,210,56,.04),transparent 48%)}
    .status{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:22px}
    .pulse{width:9px;height:9px;border-radius:50%;background:#64685f}.running .pulse{background:var(--yellow);box-shadow:0 0 0 0 rgba(255,210,56,.5);animation:pulse 1.2s infinite}.done .pulse{background:var(--ok)}
    @keyframes pulse{70%{box-shadow:0 0 0 9px rgba(255,210,56,0)}}
    .stage-list{display:grid;gap:10px}
    .stage{position:relative;padding:14px 14px 14px 39px;border:1px solid var(--line);border-radius:13px;color:#757970;font-size:13px;transition:.25s}
    .stage:before{content:"";position:absolute;left:14px;top:17px;width:10px;height:10px;border:2px solid #4f534c;border-radius:50%}
    .stage.active{color:var(--ink);border-color:rgba(255,210,56,.55);background:rgba(255,210,56,.04)}
    .stage.active:before{border-color:var(--yellow);background:var(--yellow);box-shadow:0 0 18px rgba(255,210,56,.55)}
    .stage.ready{color:var(--ink)}.stage.ready:before{border-color:var(--ok);background:var(--ok)}
    .approval{margin-top:14px;padding:15px;border:1px dashed rgba(255,210,56,.45);border-radius:13px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}
    .approval strong{color:var(--ink);display:block;font-size:13px}.approval .mini{border:0;background:#31352e;color:#777c73;padding:8px 11px;border-radius:999px;font-size:11px}
    .approval.ready .mini{background:var(--yellow);color:#151713;cursor:pointer;font-weight:800}
    section{padding:120px 0;border-top:1px solid rgba(243,240,231,.08)}
    .section-head{display:grid;grid-template-columns:1fr .8fr;gap:80px;align-items:end;margin-bottom:68px}
    .section-head p{font-size:20px;color:var(--muted);margin-bottom:6px}
    .process{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .process:before{content:"";position:absolute;left:8%;right:8%;top:31px;height:2px;background:linear-gradient(90deg,var(--yellow),rgba(255,210,56,.12));z-index:0}
    .step{position:relative;z-index:1;padding-top:68px}
    .step-no{position:absolute;top:0;left:0;width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:2px solid var(--yellow);color:var(--yellow);font-weight:850;font-size:20px}
    .step p{color:var(--muted);font-size:15px;margin:0}.step h3{margin-bottom:12px}
    .handoff{display:grid;grid-template-columns:.75fr 1.25fr;gap:72px;align-items:center}
    .orbit{min-height:520px;position:relative;display:grid;place-items:center;border:1px solid var(--line);border-radius:34px;background:radial-gradient(circle,rgba(255,210,56,.08),transparent 54%),var(--surface);overflow:hidden}
    .orbit-ring{position:absolute;width:360px;height:360px;border:1px solid rgba(255,210,56,.34);border-radius:50%;animation:spin 22s linear infinite}.orbit-ring:before,.orbit-ring:after{content:"";position:absolute;width:12px;height:12px;background:var(--yellow);border-radius:50%;top:34px;left:58px;box-shadow:0 0 22px rgba(255,210,56,.7)}.orbit-ring:after{top:auto;left:auto;right:10px;bottom:125px;background:var(--ok)}
    @keyframes spin{to{transform:rotate(360deg)}}
    .human-gate{width:250px;padding:24px;background:#f2efe6;color:#171914;border-radius:22px;box-shadow:0 24px 50px rgba(0,0,0,.28)}
    .human-gate .tiny{font-size:10px;font-weight:900;letter-spacing:.1em;color:#6c7068}.human-gate h3{margin:10px 0 12px}.human-gate p{font-size:13px;color:#5d625a}.gate-actions{display:flex;gap:8px;margin-top:18px}.gate-actions span{flex:1;text-align:center;padding:10px 8px;border-radius:9px;border:1px solid #cfd1c9;font-size:11px}.gate-actions span:last-child{background:var(--yellow);border-color:var(--yellow);font-weight:850}
    .principles{display:grid;gap:18px;margin-top:30px}.principle{display:grid;grid-template-columns:28px 1fr;gap:13px;align-items:start}.principle b{color:var(--yellow)}.principle p{color:var(--muted);margin:2px 0 0}
    .audience-shell{display:grid;grid-template-columns:280px 1fr;border:1px solid var(--line);border-radius:30px;overflow:hidden;background:var(--surface)}
    .audience-tabs{padding:28px;border-right:1px solid var(--line)}
    .audience-tabs button{width:100%;border:0;background:transparent;color:var(--muted);text-align:left;padding:18px 16px;border-radius:14px;cursor:pointer;font-weight:750}.audience-tabs button.active{background:var(--yellow);color:#161813}
    .audience-content{padding:50px 54px;min-height:360px;display:grid;grid-template-columns:1fr .9fr;gap:50px;align-items:center}
    .audience-content p{color:var(--muted);font-size:18px}.route{display:grid;gap:10px}.route div{padding:15px 18px;border:1px solid var(--line);border-radius:13px;display:flex;justify-content:space-between;align-items:center}.route div:after{content:"→";color:var(--yellow);font-size:21px}.route div:last-child{border-color:var(--yellow)}
    .video-shell{padding:14px;border:1px solid var(--line);border-radius:32px;background:var(--surface);box-shadow:var(--shadow)}
    video{display:block;width:100%;border-radius:20px;background:#080908;aspect-ratio:16/9}
    .video-meta{padding:18px 10px 5px;display:flex;justify-content:space-between;gap:22px;color:var(--muted);font-size:13px}.video-meta strong{color:var(--ink)}
    .cta{padding:110px 0 130px}.cta-box{position:relative;overflow:hidden;padding:70px;border-radius:36px;background:var(--yellow);color:#151713;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:end}.cta-box:after{content:"";position:absolute;width:420px;height:420px;border:2px solid rgba(21,23,19,.13);border-radius:50%;right:-140px;top:-180px}.cta-box h2{font-size:clamp(48px,6vw,88px);margin:0}.cta-box p{font-size:19px;max-width:460px;margin-bottom:26px}.cta-box .btn{background:#151713;color:var(--ink)}
    footer{border-top:1px solid var(--line);padding:30px 0 44px;color:#777b73;font-size:12px}.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
    .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}
    dialog{border:1px solid var(--line);border-radius:24px;background:var(--surface);color:var(--ink);padding:0;width:min(560px,calc(100% - 32px));box-shadow:var(--shadow)}dialog::backdrop{background:rgba(0,0,0,.72);backdrop-filter:blur(8px)}
    .modal{padding:32px}.modal-top{display:flex;justify-content:space-between;gap:20px}.close{border:1px solid var(--line);color:var(--ink);background:transparent;width:42px;height:42px;border-radius:50%;cursor:pointer}.modal p{color:var(--muted)}.modal-actions{display:flex;justify-content:flex-end;margin-top:20px}.success{display:none;padding:16px;border-radius:12px;background:rgba(168,214,91,.12);color:#c9ed91;margin-top:18px}.success.show{display:block}
    @media(max-width:980px){.nav-links a{display:none}.hero,.section-head,.handoff,.cta-box{grid-template-columns:1fr}.hero{gap:42px;padding-top:64px}.console-body{grid-template-columns:1fr}.input-pane{border-right:0;border-bottom:1px solid var(--line)}.process{grid-template-columns:1fr 1fr;gap:38px}.process:before{display:none}.audience-shell{grid-template-columns:1fr}.audience-tabs{border-right:0;border-bottom:1px solid var(--line);display:flex;gap:8px}.audience-content{grid-template-columns:1fr}.cta-box{padding:52px}.section-head{gap:20px}.orbit{min-height:440px}}
    @media(max-width:620px){.wrap{width:min(100% - 24px,var(--max))}.nav-inner{height:62px}.nav .btn{display:none}.hero{min-height:auto;padding:54px 0 70px}h1{font-size:54px}.console{padding:8px;border-radius:22px}.console-body{min-height:auto}.input-pane,.output-pane{padding:22px 18px}.persona{display:none}section{padding:82px 0}.process{grid-template-columns:1fr}.section-head{margin-bottom:46px}.audience-content{padding:34px 24px}.audience-tabs{padding:14px;overflow:auto}.audience-tabs button{white-space:nowrap}.cta-box{padding:38px 26px;border-radius:26px}.orbit-ring{width:300px;height:300px}.video-meta{display:block}.video-meta span{display:block;margin-top:5px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.orbit-ring{animation:none}.reveal{opacity:1;transform:none;transition:none}.running .pulse{animation:none}}

/* Светлая мятно-лазурная система из финального ролика */
html[data-theme="light"]{
      --bg:#f6f8f7;--surface:#ffffff;--surface-2:#e9f5f1;--ink:#1e2724;
      --muted:#686c6b;--line:rgba(30,39,36,.14);--yellow:#25c5a0;
      --amber:#158c72;--danger:#df6756;--ok:#158c72;
      --shadow:0 26px 70px rgba(21,140,114,.13),0 8px 24px rgba(30,39,36,.07)
    }
    html[data-theme="light"] body{background:radial-gradient(circle at 80% 5%,rgba(37,197,160,.13),transparent 27rem),linear-gradient(180deg,#f9fbfa 0%,#f3f7f5 100%)}
    html[data-theme="light"] .grain{opacity:.06;mix-blend-mode:multiply}
    html[data-theme="light"] .nav{background:rgba(246,248,247,.86);border-bottom-color:rgba(30,39,36,.1)}
    html[data-theme="light"] .btn-primary{color:#10382f}html[data-theme="light"] .btn-primary:hover{background:#5cceb2}
    html[data-theme="light"] .btn-ghost{background:rgba(255,255,255,.62)}html[data-theme="light"] .btn-ghost:hover{border-color:rgba(37,197,160,.72)}
    html[data-theme="light"] input:focus,html[data-theme="light"] textarea:focus{box-shadow:0 0 0 3px rgba(37,197,160,.16)}
    html[data-theme="light"] .running .pulse{box-shadow:0 0 0 0 rgba(37,197,160,.48)}
   @keyframes pulse-light{70%{box-shadow:0 0 0 9px rgba(37,197,160,0)}}
    html[data-theme="light"] .legal-note,html[data-theme="light"] footer{color:#7a807e}
    html[data-theme="light"] .console{background:rgba(255,255,255,.5);border-color:rgba(30,39,36,.12)}
    html[data-theme="light"] .console:before{color:#0f3b32}
    html[data-theme="light"] .console-inner{border-color:rgba(30,39,36,.08);box-shadow:0 24px 60px rgba(21,140,114,.12)}
    html[data-theme="light"] .dots i{background:#cfd9d6}html[data-theme="light"] .dots i:last-child{background:var(--yellow)}
    html[data-theme="light"] .persona{background:#e9f5f1}html[data-theme="light"] .persona button.active{background:#1e2724;color:#fff}
    html[data-theme="light"] input,html[data-theme="light"] textarea{background:#fbfdfc;color:var(--ink)}
    html[data-theme="light"] .output-pane{background:linear-gradient(160deg,rgba(37,197,160,.11),transparent 54%)}
    html[data-theme="light"] .pulse{background:#a2a7a6}html[data-theme="light"] .stage{color:#7a807e;background:rgba(255,255,255,.54)}
    html[data-theme="light"] .stage:before{border-color:#a2a7a6}html[data-theme="light"] .stage.active{background:#e9f5f1;border-color:rgba(37,197,160,.72)}
    html[data-theme="light"] .stage.active:before{box-shadow:0 0 18px rgba(37,197,160,.42)}
    html[data-theme="light"] .approval{background:rgba(255,255,255,.7);border-color:rgba(37,197,160,.58)}html[data-theme="light"] .approval .mini{background:#e4ebe9;color:#68706d}html[data-theme="light"] .approval.ready .mini{color:#10382f}
    html[data-theme="light"] section{border-top-color:rgba(30,39,36,.08)}
    html[data-theme="light"] .step-no{background:#f6f8f7}html[data-theme="light"] .process:before{background:linear-gradient(90deg,var(--yellow),rgba(37,197,160,.16))}
    html[data-theme="light"] .orbit{background:radial-gradient(circle,rgba(37,197,160,.15),transparent 55%),#fff}
    html[data-theme="light"] .orbit-ring{border-color:rgba(37,197,160,.48)}html[data-theme="light"] .orbit-ring:before{box-shadow:0 0 22px rgba(37,197,160,.48)}
    html[data-theme="light"] .human-gate{background:#fff;color:#1e2724;border:1px solid rgba(30,39,36,.1)}
    html[data-theme="light"] .audience-shell,html[data-theme="light"] .video-shell{background:#fff}
    html[data-theme="light"] .audience-tabs button.active{color:#10382f}
    html[data-theme="light"] .cta-box{color:#10382f;background:#25c5a0;box-shadow:0 30px 80px rgba(21,140,114,.2)}
    html[data-theme="light"] .cta-box:after{border-color:rgba(16,56,47,.16)}html[data-theme="light"] .cta-box .btn{background:#1e2724;color:#f6f8f7}
    html[data-theme="light"] dialog{background:#fff}html[data-theme="light"] .close{color:var(--ink)}html[data-theme="light"] dialog::backdrop{background:rgba(30,39,36,.28)}
    html[data-theme="light"] .success{background:#e9f5f1;color:#158c72}
    html[data-theme="light"] video{background:#e9f5f1}
html[data-theme="light"] .running .pulse{animation-name:pulse-light}

html{color-scheme:dark}
html[data-theme="light"]{color-scheme:light}
body,.nav,.console,.console-inner,.input-pane,.output-pane,.stage,.approval,.orbit,.human-gate,.audience-shell,.video-shell,.cta-box,dialog,input,textarea,button{transition:background-color .28s ease,color .28s ease,border-color .28s ease,box-shadow .28s ease}
.theme-toggle{min-height:40px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:750}
.theme-toggle:hover{border-color:var(--yellow)}
.theme-toggle .theme-icon{font-size:17px;line-height:1}
.theme-toggle .theme-label{font-size:12px}
@media(max-width:620px){.theme-toggle{width:42px;height:42px;min-height:42px;padding:0;justify-content:center}.theme-toggle .theme-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}}
@media(prefers-reduced-motion:reduce){body,.nav,.console,.console-inner,.input-pane,.output-pane,.stage,.approval,.orbit,.human-gate,.audience-shell,.video-shell,.cta-box,dialog,input,textarea,button{transition:none}}