:root{
    --bg:#F4F0E6; --card:#FFFFFF; --text:#16352B; --sub:#66756D; --faint:#8A9189;
    --border:rgba(22,53,43,.08); --border-solid:#DFD9C9; --divider:#EFEBE0;
    --accent:#176B54; --accent-2:#0F5240; --accent-bg:#E7F0EA; --btn-fg:#FFFFFF;
    --chip:#EDE9DC; --ok:#1F8A6B; --warn:#D8A44A; --logo-chip:#E7F0EA;
    --serif:Piazzolla,Georgia,'Times New Roman',serif;
    --sans:'Golos Text',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
    --shadow:0 1px 3px rgba(0,0,0,.05);
  }
  @media (prefers-color-scheme:dark){:root{
    --bg:#141F1A; --card:#1D2B25; --text:#ECEAE0; --sub:#9AA9A0; --faint:#71847A;
    --border:rgba(255,255,255,.07); --border-solid:#33443C; --divider:#2A3B33;
    --accent:#5BC79E; --accent-2:#7AD8B4; --accent-bg:#22392F; --btn-fg:#0C1712;
    --chip:#2A3B33; --ok:#3FBF8E; --warn:#D8A44A; --logo-chip:#EFEAE0; --shadow:0 1px 3px rgba(0,0,0,.3);}}
  :root[data-theme="dark"]{
    --bg:#141F1A; --card:#1D2B25; --text:#ECEAE0; --sub:#9AA9A0; --faint:#71847A;
    --border:rgba(255,255,255,.07); --border-solid:#33443C; --divider:#2A3B33;
    --accent:#5BC79E; --accent-2:#7AD8B4; --accent-bg:#22392F; --btn-fg:#0C1712;
    --chip:#2A3B33; --ok:#3FBF8E; --warn:#D8A44A; --logo-chip:#EFEAE0; --shadow:0 1px 3px rgba(0,0,0,.3);}
  :root[data-theme="light"]{
    --bg:#F4F0E6; --card:#FFFFFF; --text:#16352B; --sub:#66756D; --faint:#8A9189;
    --border:rgba(22,53,43,.08); --border-solid:#DFD9C9; --divider:#EFEBE0;
    --accent:#176B54; --accent-2:#0F5240; --accent-bg:#E7F0EA; --btn-fg:#FFFFFF;
    --chip:#EDE9DC; --ok:#1F8A6B; --warn:#D8A44A; --logo-chip:#E7F0EA; --shadow:0 1px 3px rgba(0,0,0,.05);}

  *{box-sizing:border-box}
  html,body{margin:0;padding:0}
  body.site{font-family:var(--sans);background:var(--bg);color:var(--text);
    transition:background .3s,color .3s;-webkit-font-smoothing:antialiased}
  a{color:var(--accent);text-decoration:none}
  a:hover{color:var(--accent-2)}
  ::selection{background:#CDE3DA}
  .skip{position:absolute;left:-9999px}
  .skip:focus{left:16px;top:12px;background:var(--card);padding:8px 14px;border-radius:10px;z-index:20}
  .wrap{max-width:1240px;margin:0 auto;padding:14px 48px 64px}
  h1,h2,h3{font-family:var(--serif);color:var(--text);text-wrap:balance}
  .faint{font-size:12.5px;color:var(--faint)}
  @keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

  /* nav */
  .topnav{display:flex;align-items:center;gap:26px;max-width:1240px;margin:0 auto;padding:18px 48px}
  .brand{display:flex;align-items:center;gap:10px;cursor:pointer;text-decoration:none}
  .brand .chip{display:inline-flex;align-items:center;justify-content:center}
  .brand .chip img{width:34px;height:34px;display:block}
  .brand b{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--text)}
  .navlinks{display:flex;gap:4px}
  .navlinks a{font-size:13.5px;font-weight:500;color:var(--sub);border-radius:999px;padding:8px 15px;transition:all .18s}
  .navlinks a:hover{background:var(--accent-bg)}
  .navlinks a[aria-current="page"]{color:var(--accent);background:var(--accent-bg);font-weight:600}
  .spacer{flex:1}
  .icon-btn{border:none;width:38px;height:38px;border-radius:12px;background:var(--card);
    box-shadow:inset 0 0 0 1px var(--border);cursor:pointer;font-size:16px;color:var(--sub);
    display:flex;align-items:center;justify-content:center;transition:all .2s}
  .btn{border:none;font-family:inherit;font-size:14px;font-weight:600;border-radius:12px;
    padding:11px 20px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:filter .15s}
  .btn-ghost{color:var(--text);background:var(--card);box-shadow:inset 0 0 0 1px var(--border)}
  .btn-accent{color:var(--btn-fg);background:var(--accent)}
  .btn-accent:hover{filter:brightness(1.08);color:var(--btn-fg)}
  .btn-lg{font-size:16px;padding:16px 28px;border-radius:14px}
  .btn-chip{color:var(--text);background:var(--chip);box-shadow:none}
  .text-link{font-size:15px;font-weight:600;color:var(--accent);border-bottom:1.5px solid var(--accent);padding-bottom:2px}
  .eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:var(--accent)}
  .eyebrow i{width:5px;height:5px;background:var(--accent);transform:rotate(45deg);display:block}
  .card{background:var(--card);border-radius:20px;box-shadow:var(--shadow),inset 0 0 0 1px var(--border)}

  /* hero */
  .hero{background:var(--card);border-radius:26px;box-shadow:var(--shadow),inset 0 0 0 1px var(--border);
    padding:72px;display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;animation:fadeUp .3s ease}
  .hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:22px}
  .hero h1{font-size:56px;font-weight:700;line-height:1.08;margin:0}
  .hero .lead{font-size:17px;line-height:1.6;color:var(--sub);margin:0;max-width:480px;text-wrap:pretty}
  .hero-actions{display:flex;align-items:center;gap:22px;margin-top:8px;flex-wrap:wrap}
  .hero-art{display:flex;align-items:center;justify-content:center}
  .hero-orb{width:320px;max-width:100%;aspect-ratio:1;border-radius:50%;background:var(--accent-bg);
    box-shadow:inset 0 0 0 1px var(--border);display:flex;align-items:center;justify-content:center;position:relative}
  .hero-chip{width:190px;height:190px;border-radius:50%;background:var(--logo-chip);
    display:flex;align-items:center;justify-content:center}
  .hero-chip img{width:150px;height:150px}
  .hero-badge{position:absolute;bottom:52px;background:var(--card);border-radius:999px;padding:10px 20px;
    font-size:14.5px;font-weight:600;color:var(--text);box-shadow:0 6px 18px rgba(0,0,0,.12),inset 0 0 0 1px var(--border);
    text-align:center;line-height:1.35}

  /* features */
  .features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
  .feature{padding:28px;display:flex;flex-direction:column;gap:10px}
  .feature .fnum{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.04em}
  .feature h2{font-size:21px;font-weight:700;margin:0}
  .feature p{font-size:14px;line-height:1.55;color:var(--sub);margin:0;text-wrap:pretty}

  /* download */
  .dl-head{display:flex;flex-direction:column;gap:14px;max-width:640px}
  .dl-head h1{font-size:46px;font-weight:700;margin:0}
  .dl-head p{font-size:16px;line-height:1.6;color:var(--sub);margin:0;text-wrap:pretty}
  .platforms{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px;align-items:start}
  .platform{padding:30px 28px;display:flex;flex-direction:column;gap:14px}
  .os-chip{width:52px;height:52px;border-radius:15px;background:var(--accent-bg);
    display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--accent)}
  .os-chip svg{width:27px;height:27px;display:block}
  .platform h2{font-size:25px;font-weight:700;margin:0}
  .platform .desc{font-size:14px;line-height:1.55;color:var(--sub);min-height:66px;text-wrap:pretty}
  .platform .btn{width:100%;font-size:15px;padding:14px;border-radius:13px}
  .platform .disabled{background:var(--chip);color:var(--faint);cursor:default}
  .rule{height:1px;background:var(--divider)}
  .sum{font-size:13.5px;color:var(--accent);cursor:pointer}
  .sum code{font-family:ui-monospace,monospace;font-size:12px;color:var(--faint);word-break:break-all}

  /* footer */
  .site-footer{max-width:1240px;margin:0 auto;padding:0 48px 36px;display:flex;align-items:center;gap:10px}
  .site-footer .dots{display:flex;align-items:center;gap:7px}
  .site-footer .dots i{width:4px;height:4px;background:var(--faint);opacity:.5;transform:rotate(45deg);display:block}
  .site-footer .note{font-size:12px;color:var(--faint)}

  @media (max-width:900px){
    .wrap,.topnav,.site-footer{padding-left:22px;padding-right:22px}
    .hero{padding:40px 28px;grid-template-columns:1fr;gap:32px}
    .hero h1{font-size:40px}
    .hero-art{order:-1}
    .features,.platforms{grid-template-columns:1fr}
    .topnav{gap:14px;flex-wrap:wrap}
    .navlinks{order:3;width:100%}
  }

/* Ширины прогресс-баров классами: CSP запрещает инлайновый style. */
.part-0{--part:0%}
.part-5{--part:5%}
.part-10{--part:10%}
.part-15{--part:15%}
.part-20{--part:20%}
.part-25{--part:25%}
.part-30{--part:30%}
.part-35{--part:35%}
.part-40{--part:40%}
.part-45{--part:45%}
.part-50{--part:50%}
.part-55{--part:55%}
.part-60{--part:60%}
.part-65{--part:65%}
.part-70{--part:70%}
.part-75{--part:75%}
.part-80{--part:80%}
.part-85{--part:85%}
.part-90{--part:90%}
.part-95{--part:95%}
.part-100{--part:100%}
.desc-flat{min-height:0}
.mt-26{margin-top:26px}
.mt-32{margin-top:32px}
.prose{max-width:820px;margin:0 auto;padding:32px 20px 64px}

.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:var(--sub);text-decoration:none}
.footer-links a:hover{color:var(--accent);text-decoration:underline}
@media (max-width:640px){.site-footer{flex-wrap:wrap;gap:10px}.footer-links{order:3;width:100%}}

/* Текстовые страницы (/security, /support): карточкам нужны свои отступы —
   базовый .card их не задаёт (их добавляют только .feature/.platform). */
.prose .card{padding:24px 28px;margin:0 0 16px}
.prose .card h2{margin:0 0 10px}
.prose .card ul{margin:0;padding-left:22px;display:grid;gap:8px}
.prose .card li{line-height:1.55}
.prose .card p{margin:0 0 10px}
.prose .card p:last-child{margin-bottom:0}
.prose .dl-head{margin-bottom:22px}
.prose .sum{margin-top:6px}

/* Политика (/privacy) — длинный документ на .prose с секциями .doc-section. */
.prose h1{margin:0 0 12px}
.prose>p{margin:0 0 14px;line-height:1.6;color:var(--sub)}
.doc-section{margin:0 0 26px}
.doc-section h2{font-size:20px;font-weight:700;margin:0 0 10px}
.doc-section p,.doc-section li{line-height:1.6;margin:0 0 10px}
.doc-section ul,.doc-section ol{padding-left:22px;margin:0 0 12px}

/* Секция «Как это работает» на лендинге. */
html{scroll-behavior:smooth}
.how{scroll-margin-top:24px;margin-top:56px}
.how-head{margin-bottom:22px}
.how-head h2{font-family:var(--serif);font-size:28px;font-weight:700;margin:8px 0 0;max-width:22ch;text-wrap:balance}
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:stretch}
.flow-col{background:var(--card);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow),inset 0 0 0 1px var(--border);display:flex;flex-direction:column;gap:8px}
.flow-col.masked{background:var(--accent-bg)}
.flow-label{font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--faint)}
.flow-col p{margin:0;line-height:1.5;color:var(--text)}
.flow-col code{font-family:'SF Mono',ui-monospace,Consolas,monospace;font-size:.9em;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);padding:1px 6px;border-radius:6px}
.flow-arrow{align-self:center;color:var(--faint);font-size:22px}
.flow-note{margin:14px 0 0;color:var(--sub);font-size:14px}
@media(max-width:820px){.flow{grid-template-columns:1fr}.flow-arrow{transform:rotate(90deg);justify-self:center}}