:root{
    --paper:#fbf9f5; --card:#ffffff; --ink:#1c1d22; --ink-soft:#54565f; --ink-faint:#85878f;
    --line:#e9e4da; --line-soft:#f0ece4;
    --accent:#e8590c; --accent-ink:#d16537; --accent-wash:#fdf0e7;
    --brown:#231c17;
    --good:#1f7a4d; --good-wash:#e8f4ed;
    --font-display:'Onest',system-ui,sans-serif; --font-serif:'Fraunces',Georgia,serif; --font-body:'Inter',system-ui,sans-serif;
    --maxw:1180px; --measure:70ch; --r:14px; --r-sm:9px; --r-lg:22px;
  }
  *{box-sizing:border-box}
  html,body{overflow-x:clip}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);
    font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
  h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;letter-spacing:-.018em;margin:0;color:var(--ink)}
  a{color:var(--accent-ink);text-decoration:none}
  a:hover{text-decoration:underline}
  img{max-width:100%;display:block}
  :focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:4px}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:60;transition:width .1s linear}

  /* ===== REAL rosperevozki.ru header ===== */
  header.site{position:sticky;top:0;z-index:50;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(35,28,23,.02)}
  .nav{display:flex;align-items:center;gap:26px;height:70px}
  .hamb{display:none;width:42px;height:42px;flex:none;border:0;cursor:pointer;border-radius:10px;
    background:linear-gradient(180deg,#ff9c68 0%,#d16537 100%);box-shadow:0 4px 12px rgba(209,101,55,.32);
    align-items:center;justify-content:center}
  .hamb svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round}
  .brand{display:flex;align-items:center;gap:11px}
  .brand:hover{text-decoration:none}
  .rmd-logo-svg{height:40px;width:auto;display:block}
  .nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
  .nav-links>a,.nav-links>.menu-item>span{color:#2b2929;font-weight:700;font-size:14px;
    text-transform:uppercase;letter-spacing:.02em;font-family:var(--font-body);cursor:pointer;
    display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
  .nav-links>a:hover,.nav-links>.menu-item:hover>span{color:#d16537;text-decoration:none}
  /* hover dropdown for Услуги */
  .menu-item{position:relative}
  .menu-item>span::after{content:"▾";font-size:11px;color:var(--ink-faint);margin-left:1px}
  .dropdown{position:absolute;top:100%;left:-14px;min-width:248px;background:#fff;
    border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px -12px rgba(35,28,23,.28);
    padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);
    transition:opacity .14s,transform .14s,visibility .14s;z-index:60}
  .menu-item:hover>.dropdown,.menu-item:focus-within>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
  .dropdown a{display:block;padding:9px 13px;border-radius:8px;color:#2b2929;font-weight:600;
    font-size:14px;text-transform:none;letter-spacing:0;white-space:nowrap}
  .dropdown a:hover{background:var(--accent-wash);color:#d16537;text-decoration:none}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:18px}
  .phone{font-family:var(--font-display);font-weight:700;font-size:17px;color:var(--ink);white-space:nowrap;
    display:inline-flex;align-items:center;gap:7px}
  .phone svg{width:16px;height:16px;fill:none;stroke:#d16537;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  .phone:hover{text-decoration:none;color:#d16537}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:linear-gradient(180deg,#ff9c68 0%,#d16537 100%);color:#fff;
    font-family:var(--font-body);font-weight:600;font-size:15px;padding:12px 20px;border-radius:var(--r-sm);
    border:0;cursor:pointer;box-shadow:0 6px 16px rgba(209,101,55,.30);transition:transform .12s,box-shadow .12s}
  .btn:hover{transform:translateY(-1px);box-shadow:0 9px 22px rgba(209,101,55,.40);text-decoration:none;color:#fff}
  .btn:active{transform:translateY(0)}
  .btn.lg{padding:15px 26px;font-size:16px}
  .btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
  .btn.ghost:hover{border-color:#d16537;color:#d16537}

  .crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:var(--ink-faint);padding:10px 0 0}
  .crumbs a{color:var(--ink-soft)}
  .crumbs span.sep{opacity:.5}

  .post-head{padding:10px 0 18px;max-width:none}
  .chip{display:inline-flex;align-items:center;gap:7px;background:var(--accent-wash);color:var(--accent-ink);
    font-weight:600;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;padding:6px 13px;border-radius:999px}
  h1{font-size:clamp(31px,5vw,50px);font-weight:800;margin:18px 0 0;overflow-wrap:anywhere;min-width:0}
  .dek{font-size:clamp(18px,2.4vw,21px);color:var(--ink-soft);margin:16px 0 0;line-height:1.5;max-width:46ch}
  .post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:22px;font-size:14.5px;color:var(--ink-faint)}
  .post-meta .who{display:flex;align-items:center;gap:10px;color:var(--ink-soft);font-weight:500}
  .ava{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#3a2f27,#6b5746);
    display:grid;place-items:center;color:#fff;font-size:12px;font-weight:700;font-family:var(--font-display)}
  .post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-faint)}

  /* intro lead-in that introduces the calculator (organic embed) */
  .intro{max-width:none;margin:6px 0 0}
  .intro .lead{font-size:21px;line-height:1.55;color:var(--ink);margin:0 0 14px}
  .intro .toolline{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ink-soft);
    font-weight:500;margin:0 0 14px}
  .intro .toolline::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--accent);flex:none}

  /* ===== CALCULATOR — woven into the flow, content-aligned ===== */
  .calc{max-width:none;background:var(--accent-wash);color:var(--ink);border:1px solid #f0dcc9;border-radius:var(--r-lg);
    padding:24px 26px;margin:0 0 8px;box-shadow:0 1px 2px rgba(35,28,23,.05);position:relative;overflow:hidden}
  .calc::before{display:none}
  .calc-head{position:relative}
  .calc-head .tag{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);font-weight:600}
  .calc h2{color:var(--ink);font-size:clamp(21px,3vw,26px);margin:5px 0 0;font-weight:800}
  .calc .sub{color:var(--ink-soft);font-size:14px;margin:6px 0 18px}
  .calc-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:11px;position:relative}
  .fld{display:flex;flex-direction:column;gap:6px;min-width:0}
  .fld label{font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-faint)}
  .fld input{background:#fff;border:1.5px solid #e7d8c8;border-radius:var(--r-sm);
    padding:12px 13px;color:var(--ink);font-family:var(--font-body);font-size:16px;width:100%}
  .fld input::placeholder{color:#b8a895}
  .fld input:focus{outline:none;border-color:var(--accent);background:#fff}
  .calc-cta{display:flex;flex-direction:column;gap:10px;margin-top:18px;position:relative}
  .calc-cta .btn{width:100%}
  .calc-cta .note{font-size:12px;color:var(--ink-faint);text-align:center;margin:0}

  /* layout */
  .layout{display:grid;grid-template-columns:minmax(0,720px) minmax(0,228px);gap:48px;justify-content:center;align-items:start;padding:22px 0 50px}
  .main-col{min-width:0}
  .article{min-width:0;max-width:none;font-size:18px}
  .article>p{margin:0 0 22px}
  .article h2{font-size:clamp(26px,3.4vw,33px);font-weight:700;margin:56px 0 18px;scroll-margin-top:96px}
  .article h2:first-child{margin-top:8px}
  .article h3{font-size:21px;font-weight:600;margin:32px 0 12px;scroll-margin-top:90px}
  .article ul{margin:0 0 22px;padding-left:0;list-style:none}
  .article ul li{position:relative;padding-left:30px;margin-bottom:11px}
  .article ul li::before{content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:2px;background:#a89684;transform:rotate(45deg)}
  .article strong{font-weight:600;color:var(--ink)}

  /* inline re-entry to calculator (organic, mid-article) */
  .recalc{display:inline-flex;align-items:center;gap:9px;background:var(--accent-wash);border:1px solid #f3d9c6;
    border-radius:999px;padding:9px 16px 9px 14px;font-weight:600;font-size:14.5px;color:var(--accent-ink);margin:2px 0 6px}
  .recalc:hover{text-decoration:none;border-color:var(--accent)}
  .recalc::before{content:"↑";font-weight:800}

  /* kill number-input spinner arrows */
  input[type=number]{-moz-appearance:textfield;appearance:textfield}
  input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

  /* hero lead image (under the title) */
  .lead-img{max-width:none;margin:16px 0 4px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:linear-gradient(135deg,#efe7db,#e3d8c8)}
  .lead-img img{width:100%;height:100%;object-fit:cover;display:block}

  /* in-body figure */
  figure.fig{margin:28px 0}
  figure.fig img{width:100%;border-radius:var(--r);border:1px solid var(--line);display:block}
  figure.fig figcaption{font-size:13.5px;color:var(--ink-faint);margin-top:9px;text-align:center}

  /* key-stats strip (hero block) */
  .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:28px 0}
  .stats .stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 16px}
  .stats .stat b{display:block;font-family:var(--font-display);font-weight:800;font-size:27px;color:var(--accent-ink);letter-spacing:-.02em;line-height:1.05}
  .stats .stat span{font-size:13px;color:var(--ink-soft);line-height:1.35;margin-top:5px;display:block}

  /* FAQ accordion */
  .faq{margin:30px 0}
  .faq h2{margin-bottom:14px}
  .faq details{border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;background:var(--card)}
  .faq summary{cursor:pointer;list-style:none;padding:16px 18px;font-family:var(--font-display);font-weight:600;font-size:17px;display:flex;justify-content:space-between;gap:12px;align-items:center}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";font-size:22px;color:var(--accent-ink);font-weight:400;line-height:1}
  .faq details[open] summary::after{content:"\2013"}
  .faq .fa{padding:0 18px 16px;color:var(--ink-soft);font-size:16px;line-height:1.6}

  /* feature strip — codex icons */
  .features{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:30px 0 6px}
  .feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 15px;display:flex;flex-direction:column;gap:8px}
  .feat img{width:42px;height:42px;object-fit:contain}
  .feat b{font-family:var(--font-display);font-weight:600;font-size:15.5px}
  .feat span{font-size:13px;color:var(--ink-soft);line-height:1.4}

  /* crabbox-style "On this page" rail */
  .toc-rail{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 124px);overflow:auto;
    background:#fbf8f4;border:1px solid var(--line);border-radius:var(--r);padding:18px 18px 20px}
  .toc-rail .toc-h{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
    color:var(--ink-faint);margin:0 0 10px}
  details.toc-m>summary{display:none}
  .toc-rail nav{display:flex;flex-direction:column}
  .toc-rail nav a{display:block;color:var(--ink-faint);font-size:14px;line-height:1.35;
    padding:5px 0 5px 12px;margin-left:0;border-left:2px solid transparent;
    transition:color .12s,border-color .12s}
  .toc-rail nav a:hover{color:var(--ink);text-decoration:none}
  .toc-rail nav a.active{color:var(--accent-ink);border-left-color:var(--accent);font-weight:600}
  .toc-cta{margin-top:20px;padding:16px;background:var(--accent-wash);border:1px solid #f3d9c6;border-radius:var(--r)}
  .toc-cta p{margin:0 0 11px;font-size:13.5px;color:var(--ink-soft);line-height:1.45}
  .toc-cta .btn{width:100%;white-space:nowrap}

  .takeaways{background:var(--good-wash);border:1px solid #cfe6da;border-radius:var(--r);padding:22px 24px;margin:30px 0}
  .takeaways h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--good);margin-bottom:12px}
  .takeaways ul{margin:0}.takeaways ul li::before{background:var(--good)}
  blockquote{margin:34px 0;padding:6px 0 6px 26px;border-left:4px solid var(--accent);
    font-family:var(--font-display);font-weight:500;font-size:23px;line-height:1.4;color:var(--ink);letter-spacing:-.01em}

  .tablewrap{margin:28px 0;border:1px solid var(--line);border-radius:var(--r);overflow-x:auto}
  table{width:100%;border-collapse:collapse;font-size:15.5px}
  th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line-soft)}
  thead th{background:#f4ede3;color:var(--ink);font-family:var(--font-display);font-weight:700;font-size:13.5px;border-bottom:1.5px solid #e7d8c8}
  tbody tr:last-child td{border-bottom:0}
  tbody tr:nth-child(even){background:#fcfbf9}
  td.num{font-variant-numeric:tabular-nums;font-weight:600;color:var(--accent-ink);white-space:nowrap}

  .related{border-top:1px solid var(--line);padding:46px 0 10px}
  .related h2{font-family:var(--font-display);font-size:26px;font-weight:700;margin:0 0 24px}
  .cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .14s,box-shadow .14s}
  .pcard:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(35,28,23,.1);text-decoration:none}
  .pcard .ph{height:92px;background:linear-gradient(135deg,#f1ebe1,#e8ded0);display:grid;place-items:center}
  .pcard .ph img{width:38px;height:38px;object-fit:contain;opacity:.85}
  .pcard .body{padding:18px;display:flex;flex-direction:column;gap:9px;flex:1}
  .pcard .pchip{align-self:flex-start;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-ink);background:var(--accent-wash);padding:4px 9px;border-radius:999px}
  .pcard h3{font-size:17px;font-weight:700;line-height:1.28;color:var(--ink)}
  .pcard .rm{margin-top:auto;font-size:13px;color:var(--ink-faint)}

  .band{background:var(--accent) url("band-illustration.png") no-repeat right center/auto 104%;color:#fff;border-radius:20px;padding:44px;margin:54px 0;display:flex;align-items:center;gap:30px;flex-wrap:wrap;overflow:hidden}
  @media(max-width:600px){.band{background-image:none}}
  .band h2{color:#fff;font-size:clamp(24px,3.2vw,32px);font-weight:800;margin:0;max-width:18ch}
  .band p{color:rgba(255,255,255,.9);margin:8px 0 0;font-size:16px}
  .band .actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}
  .band .btn{background:#fff;color:var(--accent-ink);box-shadow:0 8px 20px rgba(0,0,0,.16)}
  .band .btn.outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);box-shadow:none}


  /* rosmobil-style mobile bottom nav */
  .mobilebar{display:none}

  @media(max-width:900px){
    .layout{grid-template-columns:1fr;gap:0;padding-top:18px}
    .toc-rail{position:static;max-height:none;overflow:visible;border-left:0;padding-left:0;
      margin:6px 0 26px;background:var(--card);border:1px solid var(--line);border-radius:var(--r)}
    details.toc-m{padding:14px 16px}
    details.toc-m>summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
      font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint)}
    details.toc-m>summary::-webkit-details-marker{display:none}
    details.toc-m>summary::after{content:"⌄";font-size:18px}
    details.toc-m[open]{padding-bottom:8px}
    details.toc-m nav{margin-top:10px}
    .toc-rail .toc-h{display:none}.toc-cta{display:none}
    .nav-links{display:none}.nav-right .btn{display:none}.nav{gap:14px;height:62px}.phone{font-size:16px}
    .hamb{display:inline-flex}
    .intro,.calc,.post-head{max-width:none}
    .features{grid-template-columns:1fr 1fr;gap:12px}
    .related .cards{grid-template-columns:1fr 1fr;gap:14px}
    .pcard .ph{aspect-ratio:16/7}.pcard .ph img{width:46px;height:46px}.pcard .body{padding:14px}.pcard h3{font-size:15.5px}
    .fgrid{grid-template-columns:1fr 1fr;gap:28px}.band{padding:30px}.band .actions{margin-left:0;width:100%}
  }
  @media(max-width:640px){
    body{padding-bottom:84px}
    .wrap{padding:0 16px}
    .phone{font-size:15px}
    .mobilebar{display:grid;grid-template-columns:repeat(5,1fr);align-items:end;
      position:fixed;left:0;right:0;bottom:0;z-index:55;background:#fff;
      border-top:1px solid var(--line);border-radius:18px 18px 0 0;
      box-shadow:0 -8px 28px rgba(35,28,23,.14);padding:9px 6px max(9px,env(safe-area-inset-bottom));
      transition:transform .22s ease}
    .mobilebar.hide{transform:translateY(125%);pointer-events:none}
    .mobilebar a{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--ink-faint);
      font-size:10.5px;font-weight:500;text-decoration:none;padding-top:4px}
    .mobilebar a svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
    .mobilebar a.on{color:var(--accent-ink)}
    .mobilebar a.fab{margin-top:-30px;color:var(--accent-ink);font-weight:600}
    .mobilebar a.fab .ring{width:58px;height:58px;border-radius:50%;
      background:linear-gradient(180deg,#ff9c68 0%,#d16537 100%);
      display:grid;place-items:center;box-shadow:0 8px 20px rgba(209,101,55,.42);border:4px solid var(--paper)}
    .mobilebar a.fab .ring svg{width:25px;height:25px;stroke:#fff}
  }
  @media(max-width:620px){
    .stats{grid-template-columns:1fr 1fr}
    table{min-width:460px}
    .calc{padding:20px 16px;border-radius:18px}
    .calc-grid{grid-template-columns:1fr}
    .intro .lead{font-size:19px}
  }
  @media(max-width:560px){
    .fgrid{grid-template-columns:1fr}
    .features{grid-template-columns:1fr 1fr}
    .related .cards .pcard:nth-child(3){display:none}
  }
  @media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
  /* serif accents for editorial variety (clean) */
  h1{font-family:var(--font-serif);font-weight:600;letter-spacing:-.012em}
  blockquote{font-family:var(--font-serif);font-weight:500}