/* ---------- токены ---------- */
  :root {
    --paper:   #EEF3F6;
    --surface: #FFFFFF;
    --ink:     #0C1A24;
    --muted:   #5A7386;
    --line:    #D7E2EA;
    --tg:      #1E93D2;
    --tg-soft: #E3F2FB;
    --bub-in:  #FFFFFF;
    --bub-out: #DDF2C9;
    --bub-out-ink: #1C3312;
    --check:   #4FAE4E;
    --shadow:  0 1px 2px rgba(12,26,36,.06), 0 8px 24px rgba(12,26,36,.07);
    --radius:  14px;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --paper:   #0A141C;
      --surface: #12222E;
      --ink:     #E4EDF3;
      --muted:   #8BA6B8;
      --line:    #233B4D;
      --tg:      #45B5EF;
      --tg-soft: #14303F;
      --bub-in:  #1A2C3A;
      --bub-out: #29452A;
      --bub-out-ink: #DCF0CC;
      --check:   #7BC97A;
      --shadow:  0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.35);
    }
  }
  :root[data-theme="dark"] {
    --paper:   #0A141C;
    --surface: #12222E;
    --ink:     #E4EDF3;
    --muted:   #8BA6B8;
    --line:    #233B4D;
    --tg:      #45B5EF;
    --tg-soft: #14303F;
    --bub-in:  #1A2C3A;
    --bub-out: #29452A;
    --bub-out-ink: #DCF0CC;
    --check:   #7BC97A;
    --shadow:  0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.35);
  }
  :root[data-theme="light"] {
    --paper:   #EEF3F6;
    --surface: #FFFFFF;
    --ink:     #0C1A24;
    --muted:   #5A7386;
    --line:    #D7E2EA;
    --tg:      #1E93D2;
    --tg-soft: #E3F2FB;
    --bub-in:  #FFFFFF;
    --bub-out: #DDF2C9;
    --bub-out-ink: #1C3312;
    --check:   #4FAE4E;
    --shadow:  0 1px 2px rgba(12,26,36,.06), 0 8px 24px rgba(12,26,36,.07);
  }

  /* ---------- основа ---------- */
  .pg {
    --sans: "Segoe UI", "Segoe UI Variable", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --mono: Consolas, "Cascadia Mono", ui-monospace, "SF Mono", Menlo, monospace;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  .pg *, .pg *::before, .pg *::after { box-sizing: border-box; }
  .wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
  .pg h1, .pg h2, .pg h3 { text-wrap: balance; margin: 0; }
  .pg p { margin: 0; }

  .eyebrow {
    font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    color: var(--tg);
  }
  .lede { color: var(--muted); font-size: 1.12rem; }

  /* ---------- шапка ---------- */
  .top {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 22px 0; border-bottom: 1px solid var(--line);
  }
  .brand { display: flex; align-items: center; gap: 11px; font-weight: 700; letter-spacing: -.01em; }
  .mark {
    width: 30px; height: 30px; border-radius: 50%; flex: none;
    background: linear-gradient(160deg, #2AABEE, #1B87C4);
    display: grid; place-items: center;
  }
  .mark svg { width: 16px; height: 16px; display: block; }
  .top-note { color: var(--muted); font-size: .86rem; }
  .top-right { display: flex; align-items: center; gap: 14px; }

  /* ссылки в шапке (инструкция / на главную) — видны всегда, в т.ч. на телефоне */
  .top-link {
    color: var(--muted); font-size: .86rem; font-weight: 600; text-decoration: none;
    white-space: nowrap; padding: 6px 10px; border-radius: 7px; border: 1px solid transparent;
  }
  .top-link:hover { color: var(--tg); border-color: var(--line); }
  .top-link:focus-visible { outline: 2px solid var(--tg); outline-offset: 2px; }

  /* переключатель языков */
  .langs { display: flex; gap: 2px; padding: 2px; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; }
  .langs a {
    text-decoration: none; color: var(--muted); font-size: .78rem; font-weight: 700; letter-spacing: .04em;
    padding: 5px 10px; border-radius: 6px; line-height: 1;
  }
  .langs a:hover { color: var(--ink); }
  .langs a.on { background: var(--tg); color: #fff; }
  .langs a:focus-visible { outline: 2px solid var(--tg); outline-offset: 2px; }
  .tglink { color: var(--tg); font-weight: 600; text-decoration: none; }
  .tglink:hover { text-decoration: underline; }

  /* ---------- герой ---------- */
  .hero {
    display: grid; grid-template-columns: 1fr 400px; gap: 64px; align-items: center;
    padding: 76px 0 84px;
  }
  .hero h1 {
    font-size: clamp(2.3rem, 5.2vw, 4rem);
    font-weight: 700; letter-spacing: -.035em; line-height: 1.02;
    margin: 18px 0 22px;
  }
  .hero h1 .thin { font-weight: 300; color: var(--muted); display: block; }
  .hero-sub { max-width: 34em; }
  .cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 32px; }
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--tg); color: #fff; text-decoration: none;
    font-weight: 600; font-size: 1rem; padding: 13px 22px; border-radius: 10px;
    border: 1px solid transparent; transition: transform .12s ease, filter .12s ease;
  }
  .btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
  .btn:focus-visible { outline: 3px solid var(--tg); outline-offset: 3px; }
  .btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
  .btn-ghost:hover { border-color: var(--tg); filter: none; }
  .trust { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 26px; color: var(--muted); font-size: .9rem; }
  .trust b { color: var(--ink); font-weight: 600; }

  /* ---------- чат ---------- */
  .phone {
    background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
    box-shadow: var(--shadow); overflow: hidden; justify-self: end; width: 100%;
  }
  .phone-bar {
    display: flex; align-items: center; gap: 10px; padding: 13px 16px;
    border-bottom: 1px solid var(--line); background: var(--tg-soft);
  }
  .ava {
    width: 30px; height: 30px; border-radius: 50%; flex: none;
    background: linear-gradient(150deg, #F7A278, #D9654A); color: #fff;
    display: grid; place-items: center; font-size: .8rem; font-weight: 700;
  }
  .who { font-weight: 600; font-size: .93rem; line-height: 1.2; }
  .who span { display: block; font-weight: 400; font-size: .76rem; color: var(--muted); }
  .thread { padding: 18px 16px 20px; display: flex; flex-direction: column; gap: 9px; }

  .msg {
    max-width: 82%; padding: 8px 12px 6px; border-radius: 14px; font-size: .93rem; line-height: 1.45;
    box-shadow: 0 1px 1px rgba(12,26,36,.08); position: relative;
    opacity: 0; animation: pop .45s cubic-bezier(.2,.7,.3,1) forwards; animation-delay: var(--d, 0s);
  }
  .msg.in  { background: var(--bub-in); align-self: flex-start; border-bottom-left-radius: 5px; border: 1px solid var(--line); }
  .msg.out { background: var(--bub-out); color: var(--bub-out-ink); align-self: flex-end; border-bottom-right-radius: 5px; }
  .meta { display: flex; align-items: center; justify-content: flex-end; gap: 4px; font-size: .66rem; color: var(--muted); margin-top: 3px; }
  .msg.out .meta { color: #55803f; }
  .tick { width: 14px; height: 9px; display: block; }
  .tick path { stroke: var(--check); stroke-width: 1.7; fill: none; stroke-linecap: round; stroke-linejoin: round; }

  @keyframes pop { from { opacity: 0; transform: translateY(9px) scale(.98); } to { opacity: 1; transform: none; } }

  .typing {
    align-self: flex-end; background: var(--bub-out); border-radius: 14px; border-bottom-right-radius: 5px;
    padding: 11px 14px; display: flex; gap: 4px; opacity: 0;
    animation: ghost 1.5s ease forwards; animation-delay: 1.1s;
  }
  @keyframes ghost { 0% { opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { opacity: 0; height: 0; padding: 0; margin: -4.5px 0; } }
  .dot { width: 6px; height: 6px; border-radius: 50%; background: #6a9a52; animation: blink 1.2s infinite ease-in-out; }
  .dot:nth-child(2) { animation-delay: .18s; } .dot:nth-child(3) { animation-delay: .36s; }
  @keyframes blink { 0%,60%,100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-2px); } }

  /* голосовое */
  .voice { display: flex; align-items: center; gap: 9px; }
  .play { width: 26px; height: 26px; border-radius: 50%; background: var(--tg); flex: none; display: grid; place-items: center; }
  .play::after { content: ""; border-left: 7px solid #fff; border-top: 4.5px solid transparent; border-bottom: 4.5px solid transparent; margin-left: 2px; }
  .wave { display: flex; align-items: center; gap: 2px; height: 18px; }
  .wave i { width: 2px; border-radius: 2px; background: var(--tg); opacity: .55; }
  .dur { font-family: var(--mono); font-size: .72rem; color: var(--muted); }
  .recog {
    margin-top: 7px; padding-top: 6px; border-top: 1px dashed var(--line);
    font-size: .78rem; color: var(--muted);
  }
  .recog b { color: var(--ink); font-weight: 600; }

  /* фото в чате */
  .shot {
    width: 190px; height: 116px; border-radius: 9px; margin: -2px 0 3px;
    background:
      radial-gradient(120px 70px at 25% 25%, rgba(255,255,255,.5), transparent 60%),
      linear-gradient(145deg, #C9DCC0 0%, #8FBF9A 45%, #4E8C86 100%);
    position: relative; overflow: hidden;
  }
  .shot::after {
    content: ""; position: absolute; inset: auto 0 0 0; height: 46%;
    background: linear-gradient(to top, rgba(20,40,35,.28), transparent);
  }

  /* ---------- секции ---------- */
  .sec { padding: 84px 0; border-top: 1px solid var(--line); }
  .sec-head { max-width: 46em; margin-bottom: 44px; }
  .sec-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; letter-spacing: -.025em; margin: 12px 0 14px; }

  /* поведение: строки «утверждение + доказательство» */
  .beh { display: flex; flex-direction: column; gap: 2px; }
  .beh-row {
    display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: center;
    padding: 26px 0; border-top: 1px solid var(--line);
  }
  .beh-row:first-child { border-top: none; }
  .beh-row h3 { font-size: 1.16rem; font-weight: 700; letter-spacing: -.01em; margin-bottom: 7px; }
  .beh-row p { color: var(--muted); font-size: .97rem; max-width: 40em; }
  .proof {
    background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
    padding: 12px; display: flex; flex-direction: column; gap: 7px; box-shadow: var(--shadow);
  }
  .proof .mini { font-size: .84rem; padding: 6px 10px; border-radius: 11px; max-width: 90%; line-height: 1.4; }
  .proof .mini.in  { background: var(--bub-in); border: 1px solid var(--line); align-self: flex-start; border-bottom-left-radius: 4px; }
  .proof .mini.out { background: var(--bub-out); color: var(--bub-out-ink); align-self: flex-end; border-bottom-right-radius: 4px; }
  .proof .sys { font-family: var(--mono); font-size: .72rem; color: var(--muted); text-align: center; }

  /* возможности — линии рисуют сами ячейки, поэтому пустых «дыр» в сетке не бывает */
  .grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
  }
  .cell { background: var(--surface); padding: 26px 24px 28px; }
  .cell:nth-child(n+4) { border-top: 1px solid var(--line); }
  .cell:not(:nth-child(3n+1)) { border-left: 1px solid var(--line); }
  .cell h3 { font-size: 1.03rem; font-weight: 700; margin-bottom: 7px; letter-spacing: -.01em; }
  .cell p { color: var(--muted); font-size: .92rem; }
  .ic { width: 22px; height: 22px; margin-bottom: 14px; display: block; }
  .ic path, .ic circle, .ic rect, .ic line, .ic polyline {
    stroke: var(--tg); stroke-width: 1.7; fill: none; stroke-linecap: round; stroke-linejoin: round;
  }

  /* экономика */
  .econ { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
  .card {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px 28px; box-shadow: var(--shadow);
  }
  .card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
  .card p { color: var(--muted); font-size: .95rem; }
  .keys { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; font-family: var(--mono); font-size: .8rem; }
  .keyrow { display: flex; align-items: center; gap: 10px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; }
  .pill { font-size: .68rem; padding: 2px 8px; border-radius: 20px; font-family: var(--sans); font-weight: 600; letter-spacing: .02em; }
  .pill.ok   { background: rgba(79,174,78,.14); color: #3E8B3D; }
  .pill.busy { background: rgba(214,140,40,.16); color: #A9701D; }
  .pill.now  { background: var(--tg-soft); color: var(--tg); }
  @media (prefers-color-scheme: dark) { .pill.ok { color: #86D085; } .pill.busy { color: #E0A44E; } }
  :root[data-theme="dark"] .pill.ok { color: #86D085; }
  :root[data-theme="dark"] .pill.busy { color: #E0A44E; }
  .keyrow span:first-of-type { flex: 1; color: var(--muted); }

  /* шаги — настоящая последовательность */
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: s; }
  .step { position: relative; padding-top: 22px; border-top: 2px solid var(--tg); }
  .step::before {
    counter-increment: s; content: counter(s);
    font-family: var(--mono); font-size: .8rem; font-weight: 700; color: var(--tg);
    position: absolute; top: -1px; left: 0; transform: translateY(-140%);
  }
  .step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 7px; }
  .step p { color: var(--muted); font-size: .93rem; }

  /* лицензия */
  .lic { display: grid; grid-template-columns: 1.15fr 1fr; gap: 22px; align-items: start; }
  .terms { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
  .term {
    font-family: var(--mono); font-size: .82rem; padding: 7px 13px;
    border: 1px solid var(--line); border-radius: 8px; background: var(--paper);
  }
  .term.hl { border-color: var(--tg); color: var(--tg); font-weight: 700; }
  .idbox {
    font-family: var(--mono); font-size: 1rem; letter-spacing: .06em; text-align: center;
    padding: 12px; border: 1px dashed var(--line); border-radius: 9px; background: var(--paper); margin: 14px 0 4px;
  }
  .note { font-size: .84rem; color: var(--muted); margin-top: 12px; }

  /* цены */
  .prices { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
  .price {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 24px 20px 26px; display: flex; flex-direction: column; gap: 4px;
  }
  .price.best { border-color: var(--tg); box-shadow: var(--shadow); position: relative; }
  .price.best::after {
    content: attr(data-tag); position: absolute; top: -9px; right: 16px;
    background: var(--tg); color: #fff; font-size: .64rem; font-weight: 700;
    letter-spacing: .1em; text-transform: uppercase; padding: 3px 9px; border-radius: 20px;
  }
  .price .term-name { font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
  .price .amount { font-size: 2.1rem; font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
  .price .amount small { font-size: 1rem; font-weight: 600; color: var(--muted); margin-left: 2px; }
  .price .per { font-size: .82rem; color: var(--muted); font-family: var(--mono); }

  /* скачивание */
  .dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .dl {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 28px 26px 26px; box-shadow: var(--shadow);
    display: flex; flex-direction: column;
  }
  .dl.pick { border-color: var(--tg); }
  .dl-tag {
    font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
    color: var(--muted); margin-bottom: 10px;
  }
  .dl.pick .dl-tag { color: var(--tg); }
  .dl h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 8px; }
  .dl p { color: var(--muted); font-size: .93rem; }
  .dl-meta {
    display: flex; gap: 14px; flex-wrap: wrap; margin: 16px 0 18px;
    font-family: var(--mono); font-size: .74rem; color: var(--muted);
  }
  .dl .btn { align-self: flex-start; margin-top: auto; }
  .btn-lg { font-size: 1.05rem; padding: 16px 30px; }
  .hash {
    font-family: var(--mono); font-size: .66rem; color: var(--muted); word-break: break-all;
    margin-top: 16px; padding-top: 12px; border-top: 1px dashed var(--line); line-height: 1.5;
  }
  .hash b { color: var(--ink); font-weight: 600; }

  /* доверие */
  .trust-box {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px 28px; box-shadow: var(--shadow);
  }
  .trust-box h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
  .trust-box p { color: var(--muted); font-size: .94rem; }
  .trust-box p + p { margin-top: 10px; }
  .vt-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
  .vt {
    display: inline-flex; align-items: center; gap: 7px; text-decoration: none;
    border: 1px solid var(--line); border-radius: 9px; padding: 9px 14px;
    font-size: .86rem; font-weight: 600; color: var(--ink); background: var(--paper);
  }
  .vt:hover { border-color: var(--tg); color: var(--tg); }
  .vt::before { content: "🛡"; font-size: .95rem; }

  /* FAQ — та же техника: границы у ячеек, а не подложка */
  .faq {
    display: grid; grid-template-columns: repeat(2, 1fr);
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
  }
  .qa { background: var(--surface); padding: 24px 24px 26px; }
  .qa:nth-child(n+3) { border-top: 1px solid var(--line); }
  .qa:nth-child(even) { border-left: 1px solid var(--line); }
  .qa h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -.005em; }
  .qa p { color: var(--muted); font-size: .91rem; }
  .qa p + p { margin-top: 8px; }

  /* ---------- страница инструкции ---------- */
  .doc { display: grid; grid-template-columns: 240px 1fr; gap: 56px; padding: 56px 0 90px; align-items: start; }
  .toc { position: sticky; top: 24px; }
  .toc-h { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
  .toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
  .toc a {
    display: block; text-decoration: none; color: var(--muted); font-size: .86rem;
    padding: 5px 10px; border-radius: 7px; border-left: 2px solid transparent; line-height: 1.35;
  }
  .toc a:hover { color: var(--ink); background: var(--surface); border-left-color: var(--tg); }

  .doc-body { max-width: 44em; }
  .doc-body h1 {
    font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 700; letter-spacing: -.03em; margin: 0 0 14px;
  }
  .doc-body h2 {
    font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; margin: 52px 0 16px;
    padding-top: 22px; border-top: 1px solid var(--line); scroll-margin-top: 20px;
  }
  .doc-body h3 { font-size: 1.06rem; font-weight: 700; margin: 26px 0 8px; color: var(--tg); }
  .doc-body p { margin: 0 0 12px; color: var(--muted); }
  .doc-body ul, .doc-body ol { margin: 0 0 14px; padding-left: 22px; color: var(--muted); }
  .doc-body li { margin-bottom: 6px; }
  .doc-body li::marker { color: var(--tg); font-weight: 600; }
  .doc-body pre {
    background: var(--surface); border: 1px solid var(--line); border-radius: 9px;
    padding: 14px 16px; overflow-x: auto; margin: 0 0 14px;
    font-family: var(--mono); font-size: .82rem; line-height: 1.55; color: var(--ink);
  }
  .doc-note {
    border-left: 3px solid var(--tg); background: var(--tg-soft);
    padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 0 0 16px;
    font-size: .92rem; color: var(--ink);
  }
  .doc-table { width: 100%; overflow-x: auto; margin: 0 0 16px; }
  .doc-table table { width: 100%; border-collapse: collapse; font-size: .9rem; }
  .doc-table th, .doc-table td { text-align: left; padding: 9px 12px; border: 1px solid var(--line); vertical-align: top; }
  .doc-table th { background: var(--tg-soft); font-weight: 700; color: var(--ink); }
  .doc-table td { color: var(--muted); }
  .doc-table td:first-child { color: var(--ink); font-weight: 500; }
  .doc-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 8px; }

  @media (max-width: 900px) {
    .doc { grid-template-columns: 1fr; gap: 28px; padding: 36px 0 60px; }
    .toc { position: static; }
    .toc ol { flex-direction: row; flex-wrap: wrap; }
    .toc a { border-left: none; border: 1px solid var(--line); }
  }

  /* финал */
  .final { text-align: center; padding: 92px 0 100px; border-top: 1px solid var(--line); }
  .final h2 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; letter-spacing: -.03em; margin-bottom: 16px; }
  .final p { color: var(--muted); max-width: 32em; margin: 0 auto 30px; }
  .foot { border-top: 1px solid var(--line); padding: 26px 0 40px; color: var(--muted); font-size: .84rem; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
  .foot a { color: var(--tg); text-decoration: none; font-weight: 600; }
  .foot a:hover { text-decoration: underline; }

  /* ---------- адаптив ---------- */
  @media (max-width: 700px) {
    .top { flex-wrap: wrap; gap: 10px; }
    .top-note { display: none; }          /* только неинтерактивная подпись */
    .top-right { gap: 8px; }
    .top-link { padding: 6px 8px; font-size: .82rem; }
  }
  @media (max-width: 380px) {
    .top-link { font-size: .78rem; padding: 5px 6px; }
  }
  @media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; gap: 44px; padding: 52px 0 60px; }
    .phone { justify-self: stretch; max-width: 420px; }
    .beh-row { grid-template-columns: 1fr; gap: 20px; }
    .grid, .steps { grid-template-columns: 1fr; }
    .econ, .lic, .faq, .dl-grid { grid-template-columns: 1fr; }
    .prices { grid-template-columns: repeat(2, 1fr); }
    .sec { padding: 60px 0; }

    /* одна колонка — линии только сверху */
    .cell:not(:nth-child(3n+1)), .qa:nth-child(even) { border-left: none; }
    .cell:nth-child(n+2), .qa:nth-child(n+2) { border-top: 1px solid var(--line); }
  }
  @media (max-width: 520px) {
    .prices { grid-template-columns: 1fr; }
  }
  @media (prefers-reduced-motion: reduce) {
    .msg { opacity: 1; animation: none; }
    .typing { display: none; }
    .dot { animation: none; }
    .btn { transition: none; }
  }