/* ── Палитра: светлая по умолчанию, тёмная = фирменная (как в приложении) ── */
  :root {
    --bg:        #eef3f1;
    --panel:     #ffffff;
    --panel-2:   #f4f8f6;
    --ink:       #12211d;
    --ink-soft:  #37504a;
    --dim:       #5f766f;
    --line:      #dde7e3;
    --teal:      #0f9e86;
    --teal-ink:  #0b7f6c;
    --green:     #2c9c5c;
    --amber:     #a9741c;
    --red:       #c23b46;
    --shadow:    0 1px 2px rgba(18,33,29,.05), 0 8px 30px rgba(18,33,29,.06);
    --web:       rgba(15,158,134,.16);
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg:       #0a1211;
      --panel:    #122421;
      --panel-2:  #0f1e1c;
      --ink:      #e8f2ef;
      --ink-soft: #cbdad4;
      --dim:      #8ba39d;
      --line:     #1e332f;
      --teal:     #2fd4b8;
      --teal-ink: #2fd4b8;
      --green:    #43c47e;
      --amber:    #e6b25a;
      --red:      #ff5f6d;
      --shadow:   0 1px 2px rgba(0,0,0,.3), 0 10px 34px rgba(0,0,0,.35);
      --web:      rgba(47,212,184,.14);
    }
  }
  :root[data-theme="dark"] {
    --bg:#0a1211; --panel:#122421; --panel-2:#0f1e1c; --ink:#e8f2ef; --ink-soft:#cbdad4;
    --dim:#8ba39d; --line:#1e332f; --teal:#2fd4b8; --teal-ink:#2fd4b8; --green:#43c47e;
    --amber:#e6b25a; --red:#ff5f6d; --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 34px rgba(0,0,0,.35);
    --web:rgba(47,212,184,.14);
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", system-ui, sans-serif;
    line-height: 1.62;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
  }
  .wrap { max-width: 940px; margin: 0 auto; padding: 0 20px; }
  .mono { font-family: "SF Mono","JetBrains Mono","Cascadia Code",Menlo,Consolas,monospace; }

  /* пилюля-«кнопка приложения» — так называем элементы интерфейса */
  .ui {
    font-family: "SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
    font-size: .82em; font-weight: 600;
    background: color-mix(in srgb, var(--teal) 14%, transparent);
    color: var(--teal-ink);
    border: 1px solid color-mix(in srgb, var(--teal) 34%, transparent);
    border-radius: 6px; padding: .08em .42em; white-space: nowrap;
  }

  /* ── Hero ── */
  header.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
  #web { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
  .hero-in { position: relative; z-index: 1; padding: 68px 20px 56px; text-align: center; }
  .logo {
    width: 76px; height: 76px; margin: 0 auto 20px; border-radius: 20px;
    background: var(--panel); border: 1px solid var(--line);
    display: grid; place-items: center; box-shadow: var(--shadow);
  }
  .logo svg { width: 46px; height: 46px; }
  h1 { margin: 0; font-size: clamp(2rem, 6vw, 2.9rem); font-weight: 800; letter-spacing: -.022em; text-wrap: balance; }
  .tagline { margin: 8px 0 0; color: var(--dim); font-size: 1.05rem; }
  .lede { max-width: 56ch; margin: 20px auto 0; color: var(--ink-soft); font-size: 1.06rem; text-wrap: pretty; }
  .dl { display: inline-flex; align-items: center; gap: 9px; margin: 26px auto 0; padding: 14px 26px;
        background: var(--teal); color: #04140f; font-weight: 750; font-size: 1.02rem;
        border-radius: 13px; text-decoration: none; box-shadow: 0 8px 26px color-mix(in srgb, var(--teal) 40%, transparent);
        transition: transform .12s ease, box-shadow .12s ease; }
  .dl:hover { transform: translateY(-1px); box-shadow: 0 12px 32px color-mix(in srgb, var(--teal) 46%, transparent); }
  .dl:focus-visible { outline: 3px solid color-mix(in srgb, var(--teal) 55%, transparent); outline-offset: 3px; }
  .dl-sub { margin-top: 10px; color: var(--dim); font-size: .82rem; font-family: "SF Mono",Menlo,monospace; }

  /* галерея экранов */
  .gallery { display: flex; gap: 20px; margin-top: 24px; overflow-x: auto; padding: 4px 2px 12px; scroll-snap-type: x mandatory; }
  .gallery .shot { scroll-snap-align: center; flex: 0 0 auto; text-align: center; }
  .gallery .cap { margin-top: 10px; color: var(--dim); font-size: .86rem; }
  .gallery .phone { width: 232px; }
  .gallery .screen { font-size: 12px; }

  /* ── Быстрый старт (3 шага) ── */
  .quick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 34px 0 4px; }
  .qstep { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 16px; box-shadow: var(--shadow); }
  .qnum { font-family: "SF Mono",Menlo,monospace; font-size: .78rem; color: var(--teal-ink); font-weight: 700; }
  .qstep h3 { margin: 6px 0 4px; font-size: 1.02rem; }
  .qstep p { margin: 0; color: var(--dim); font-size: .92rem; line-height: 1.5; }

  /* ── Секции ── */
  section { padding: 40px 0 8px; }
  .eyebrow { font-family: "SF Mono",Menlo,monospace; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--teal-ink); font-weight: 600; }
  h2 { margin: 8px 0 6px; font-size: 1.55rem; font-weight: 750; letter-spacing: -.012em; text-wrap: balance; }
  section > .wrap > p { color: var(--ink-soft); max-width: 66ch; }

  /* карточка задачи */
  .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 22px; }
  .card {
    background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
    padding: 20px 20px 18px; box-shadow: var(--shadow);
    display: flex; flex-direction: column; gap: 10px;
  }
  .card-head { display: flex; align-items: center; gap: 12px; }
  .ic { width: 38px; height: 38px; flex: none; border-radius: 11px; display: grid; place-items: center;
        background: var(--panel-2); border: 1px solid var(--line); }
  .ic svg { width: 20px; height: 20px; stroke: var(--teal); fill: none; stroke-width: 1.7; }
  .card h3 { margin: 0; font-size: 1.08rem; font-weight: 700; }
  .card .path { margin: 0; color: var(--dim); font-size: .8rem; }
  ol.steps { margin: 2px 0 0; padding: 0; list-style: none; counter-reset: s; display: flex; flex-direction: column; gap: 7px; }
  ol.steps li { position: relative; padding-left: 26px; color: var(--ink-soft); font-size: .95rem; line-height: 1.5; }
  ol.steps li::before {
    counter-increment: s; content: counter(s);
    position: absolute; left: 0; top: .06em;
    width: 18px; height: 18px; border-radius: 50%;
    background: color-mix(in srgb, var(--teal) 16%, transparent);
    color: var(--teal-ink); border: 1px solid color-mix(in srgb, var(--teal) 32%, transparent);
    font-size: .7rem; font-weight: 700; display: grid; place-items: center;
    font-family: "SF Mono",Menlo,monospace;
  }
  .note { display: flex; gap: 9px; align-items: flex-start; margin-top: 4px;
          font-size: .86rem; color: var(--dim); line-height: 1.45; }
  .note b { color: var(--ink-soft); font-weight: 600; }
  .note.warn { color: var(--amber); } .note.warn b { color: var(--amber); }

  /* ── Навигация: телефон-макет ── */
  .nav-row { display: grid; grid-template-columns: 1fr 268px; gap: 30px; align-items: center; margin-top: 22px; }
  @media (max-width: 720px){ .nav-row { grid-template-columns: 1fr; } }
  .nav-list { display: flex; flex-direction: column; gap: 12px; }
  .nav-item { display: flex; gap: 12px; align-items: baseline; }
  .nav-item .k { font-weight: 700; min-width: 108px; }
  .nav-item .v { color: var(--dim); font-size: .95rem; }

  /* телефон — всегда тёмный (это «экран приложения»), независимо от темы страницы */
  .phone {
    margin: 0 auto; width: 262px; border-radius: 30px; padding: 12px;
    background: #0a1211; border: 1px solid #1e332f;
    box-shadow: 0 20px 50px rgba(0,0,0,.28), inset 0 0 0 2px #0f1e1c;
  }
  .screen { background: #0a1211; border-radius: 20px; overflow: hidden; color: #e8f2ef; font-size: 13px; }
  .st-top { display:flex; justify-content:space-between; padding:9px 14px 4px; color:#8ba39d; font-size:11px; }
  .st-title { padding: 2px 14px 10px; font-weight: 800; font-size: 16px; }
  .seg { display:flex; gap:4px; margin: 0 14px 12px; padding:4px; background:#0f1e1c; border:1px solid #1e332f; border-radius:11px; }
  .seg span { flex:1; text-align:center; padding:7px 0; border-radius:8px; font-size:12px; font-weight:700; color:#8ba39d; }
  .seg span.on { background:#2fd4b8; color:#04140f; }
  .mrow { display:flex; align-items:center; gap:11px; margin:0 14px 9px; padding:11px 12px; background:#122421; border:1px solid #1e332f; border-radius:12px; }
  .mrow .dot { width:30px;height:30px;border-radius:9px;background:#0f1e1c;border:1px solid #1e332f;flex:none;display:grid;place-items:center; }
  .mrow .dot svg{ width:16px;height:16px;stroke:#2fd4b8;fill:none;stroke-width:1.7;}
  .mrow .lbl { font-weight:600; }
  .mrow .sub { color:#8ba39d; font-size:11px; }
  .tabbar { display:flex; justify-content:space-around; padding:9px 0 10px; border-top:1px solid #1e332f; color:#8ba39d; font-size:10.5px; }
  .tabbar .t.on { color:#2fd4b8; }
  .tabbar .t { display:flex; flex-direction:column; align-items:center; gap:3px; }
  .tabbar .t svg{ width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;}
  .screen { position: relative; }
  .tgl { width:34px;height:20px;border-radius:12px;background:#2fd4b8;position:relative;flex:none; }
  .tgl::after { content:""; position:absolute; right:2px; top:2px; width:16px;height:16px;border-radius:50%;background:#04140f; }
  .tgl.off { background:#1e332f; } .tgl.off::after { left:2px; right:auto; background:#8ba39d; }
  .pill { font-size:9.5px;font-weight:700;padding:2px 6px;border-radius:6px;background:#0f1e1c;border:1px solid #1e332f;color:#8ba39d;white-space:nowrap; }
  .pill.tl { color:#2fd4b8;border-color:rgba(47,212,184,.4); }
  .pill.am { color:#e6b25a;border-color:rgba(230,178,90,.4); }
  .btn-o { display:flex;align-items:center;justify-content:center;gap:7px;margin:0 14px 9px;padding:10px 0;border-radius:11px;font-size:12px;font-weight:700; }
  .fab { position:absolute; right:12px; bottom:12px; background:#2fd4b8;color:#04140f;font-weight:700;font-size:11.5px;padding:9px 13px;border-radius:20px;box-shadow:0 6px 16px rgba(47,212,184,.3); }
  .kvr { display:flex; justify-content:space-between; margin:0 14px 8px; font-size:12px; }
  .kvr .k { color:#8ba39d; } .kvr .v { font-weight:600; }

  /* ── callout строка входа ── */
  .modes { display:grid; grid-template-columns: 1fr 1fr; gap:16px; margin-top:20px; }
  @media (max-width:720px){ .modes{ grid-template-columns:1fr; } }
  .mode { background:var(--panel); border:1px solid var(--line); border-radius:16px; padding:18px 18px; box-shadow:var(--shadow); }
  .mode h3 { margin:0 0 4px; font-size:1.05rem; }
  .mode p { margin:0; color:var(--dim); font-size:.92rem; }

  /* ── Полезно знать ── */
  .tips { margin-top: 22px; display: grid; gap: 12px; }
  .tip { display:flex; gap:12px; background:var(--panel); border:1px solid var(--line); border-left:3px solid var(--teal);
         border-radius:12px; padding:14px 16px; box-shadow:var(--shadow); }
  .tip.warn { border-left-color: var(--amber); }
  .tip .ti { flex:none; color:var(--teal); } .tip.warn .ti { color: var(--amber); }
  .tip p { margin:0; font-size:.95rem; color:var(--ink-soft); }
  .tip b { color: var(--ink); }

  footer { margin-top: 46px; border-top: 1px solid var(--line); padding: 26px 0 44px; color: var(--dim); font-size: .88rem; text-align:center; }

  @media (max-width: 620px){
    body { font-size: 16px; }
    .quick { grid-template-columns: 1fr; }
    .grid { grid-template-columns: 1fr; }
  }
  @media (prefers-reduced-motion: reduce){ * { animation: none !important; transition: none !important; } }