:root {
  --bg: #0e1014;
  --card: #171a21;
  --card2: #1e222b;
  --line: #2a2f3a;
  --fg: #e9ecf2;
  --dim: #8a93a6;
  --accent: #ff5c38;
  --accent2: #ff7a5c;
  --good: #3ddc84;
  --radius: 18px;
  --head: "Unbounded", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 var(--body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(32px, 6vw, 56px); font-weight: 800; }
h2 { font-size: clamp(22px, 3.2vw, 30px); font-weight: 600; margin-top: 1.6em; }
h3 { font-size: 17px; font-weight: 600; }
p { margin: 0 0 1em; }
code, kbd { font-family: ui-monospace, Consolas, monospace; font-size: .92em; background: var(--card2); padding: .1em .4em; border-radius: 6px; }
kbd { border: 1px solid var(--line); }

/* шапка */
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 24px;
  padding: 12px max(16px, calc((100vw - 1100px) / 2));
  background: rgba(14, 16, 20, .86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; color: var(--fg); font: 800 20px var(--head); }
.brand:hover { text-decoration: none; }
.brand svg { width: 30px; height: 30px; color: var(--fg); }
.top nav { display: flex; gap: 4px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.top nav a { color: var(--dim); padding: 6px 12px; border-radius: 999px; white-space: nowrap; font-weight: 500; font-size: 15px; }
.top nav a:hover { color: var(--fg); text-decoration: none; background: var(--card); }
.top nav a[aria-current] { color: var(--fg); background: var(--card2); }
.lang { color: var(--dim); font-weight: 600; font-size: 14px; border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }

main { width: 100%; max-width: 1100px; margin: 0 auto; padding: 40px 16px 64px; flex: 1; }
footer {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 20px max(16px, calc((100vw - 1100px) / 2));
  border-top: 1px solid var(--line); color: var(--dim); font-size: 14px;
}

/* кнопки и карточки */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  background: var(--accent); color: #fff; font-weight: 600;
  padding: 12px 22px; border-radius: 999px; border: 0; cursor: pointer; font-size: 16px; font-family: inherit;
}
.btn:hover { background: var(--accent2); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--card); }
.btn.small { padding: 7px 14px; font-size: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.muted { color: var(--dim); }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--dim); max-width: 36em; }

/* главная */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; margin-bottom: 48px; }
.hero h1 span { color: var(--accent); }
.hero .row { margin-top: 26px; }
.phone {
  margin: 0; width: 100%; border-radius: 28px; padding: 10px;
  background: #050608; border: 2px solid #2b303b; box-shadow: 0 30px 80px rgba(255, 92, 56, .14);
}
.phone img { width: 100%; height: auto; display: block; border-radius: 18px; }
.phone.sm { border-radius: 18px; padding: 6px; box-shadow: none; margin-bottom: 18px; }
.phone.sm img { border-radius: 12px; }
.facts { color: var(--dim); font-size: 14px; margin-top: 18px; }
h2.center { text-align: center; margin: 56px 0 22px; }
.modes { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.mode { display: flex; flex-direction: column; }
.mode p { color: var(--dim); font-size: 15px; }
.mode > a, .desk a { margin-top: auto; font-weight: 600; }
.feature.wide.desk { align-items: center; }
.feature.wide.desk .phone { flex: 0 0 44%; margin: 0; }
.feature.wide.desk p { margin-bottom: 12px; }
.steps { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.step .num {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent); color: #fff; font: 700 16px var(--head); margin-bottom: 14px;
}
.step p { color: var(--dim); font-size: 15px; margin: 0; }
.center-row { justify-content: center; margin-top: 26px; }
.ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(255, 92, 56, .1); color: var(--accent); flex: none; }
.ico svg { width: 22px; height: 22px; }
.ico.sm { width: 34px; height: 34px; border-radius: 10px; }
.ico.sm svg { width: 19px; height: 19px; }
.feature .ico { margin-bottom: 14px; }
.feature.wide { margin-top: 14px; display: flex; gap: 18px; align-items: flex-start; }
.feature.wide .ico { margin-bottom: 0; }
.with-ico { display: flex; align-items: center; gap: 12px; }
.feature p { color: var(--dim); margin: 0; font-size: 15px; }

/* скачать */
.dl { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; margin-top: 28px; }
.dl .card { display: flex; flex-direction: column; gap: 10px; }
.dl ul { margin: 0 0 8px; padding-left: 20px; color: var(--dim); }
.dl .btn { align-self: flex-start; margin-top: auto; }
.ver { color: var(--dim); font-size: 14px; }

/* вики */
main.wiki { padding-top: 24px; }
.wiki-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .wiki-grid { grid-template-columns: 220px minmax(0, 1fr); align-items: start; gap: 36px; } }
@media (min-width: 1180px) { .wiki-grid { grid-template-columns: 220px minmax(0, 1fr) 180px; } }

.wiki-side details { background: none; border: 0; padding: 0; margin: 0; }
.wiki-side summary {
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--card);
  font-weight: 600; cursor: pointer; list-style: none;
}
.wiki-side summary::-webkit-details-marker { display: none; }
.wiki-side details[open] summary { margin-bottom: 10px; }
@media (min-width: 900px) {
  .wiki-side { position: sticky; top: 80px; max-height: calc(100vh - 96px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--line) transparent; padding-right: 4px; }
  .wiki-side summary { display: none; }
}

.wiki-search {
  display: flex; align-items: center; gap: 8px; margin-bottom: 14px; padding: 0 10px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--dim);
}
.wiki-search:focus-within { border-color: var(--accent); color: var(--accent); }
.wiki-search svg { width: 16px; height: 16px; flex: none; }
.wiki-search input { flex: 1; min-width: 0; padding: 10px 0; border: 0; outline: 0; background: transparent; color: var(--fg); font: inherit; font-size: 15px; }
.wiki-search input::-webkit-search-cancel-button { display: none; }
.wiki-search kbd { font-size: 11px; color: var(--dim); background: var(--card2); }
@media (hover: none) { .wiki-search kbd { display: none; } }

.wiki-group { display: grid; gap: 1px; margin-bottom: 14px; }
.wiki-group-title {
  display: flex; align-items: center; gap: 8px; margin: 0 0 4px; padding: 0 10px;
  color: var(--dim); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
}
.wiki-group-title svg { width: 15px; height: 15px; color: var(--accent); }
.wiki-group a { padding: 7px 10px; border-radius: 10px; color: var(--dim); font-size: 15px; font-weight: 500; }
.wiki-group a:hover { color: var(--fg); background: var(--card); text-decoration: none; }
.wiki-group a[aria-current] { color: var(--fg); background: rgba(255, 92, 56, .12); box-shadow: inset 2px 0 0 var(--accent); }
.wiki-empty { margin: 0; padding: 8px 10px; color: var(--dim); font-size: 14px; }

.wiki-content { min-width: 0; }
.wiki-head { margin-bottom: 8px; }
.wiki-head h1 { font-size: clamp(28px, 5vw, 42px); }
.wiki-head .lead { margin: 0; }
.eyebrow { margin: 0 0 10px; color: var(--accent); font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.wiki-content h2 { font-size: clamp(20px, 2.6vw, 24px); margin-top: 1.8em; scroll-margin-top: 80px; }
.wiki-content h3 { margin-top: 1.4em; }
.wiki-content p, .wiki-content li { line-height: 1.65; }
.wiki-content ul, .wiki-content ol { padding-left: 22px; }
.wiki-content li { margin-bottom: 6px; }
.wiki-content li::marker { color: var(--accent); }
.wiki-content .note { margin: 1em 0; }
.wiki-content figure { margin: 22px 0; }
.wiki-content figure img { display: block; max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: 14px; }
.wiki-content figure img.tall { width: 340px; }
.wiki-content figcaption { margin-top: 10px; color: var(--dim); font-size: 14px; }
.legend { list-style: none; padding: 0 !important; margin: 10px 0 0; display: grid; gap: 6px; }
.legend li { display: flex; gap: 10px; align-items: baseline; margin: 0; color: var(--fg); font-size: 15px; line-height: 1.5; }
.legend .n {
  flex: none; display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 600; transform: translateY(-1px);
}

.wiki-section h2 { margin: 1.6em 0 14px; }
.wiki-section .ico { width: 30px; height: 30px; border-radius: 9px; }
.wiki-section .ico svg { width: 17px; height: 17px; }
.wiki-cards { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); }
.wiki-card {
  position: relative; display: grid; gap: 6px; padding: 16px 40px 16px 16px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--card); color: var(--fg);
  transition: border-color .15s, transform .15s;
}
.wiki-card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.wiki-card-title { font-weight: 600; }
.wiki-card-hint { color: var(--dim); font-size: 14px; line-height: 1.45; }
.wiki-card svg { position: absolute; top: 17px; right: 14px; width: 17px; height: 17px; color: var(--accent); transition: transform .15s; }
.wiki-card:hover svg { transform: translateX(3px); }

.wiki-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 40px; }
.wiki-pager a { display: grid; gap: 2px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; color: var(--fg); font-weight: 600; }
.wiki-pager a:hover { border-color: var(--accent); text-decoration: none; }
.wiki-pager small { color: var(--dim); font-weight: 500; font-size: 13px; }
.wiki-pager .next { grid-column: 2; text-align: right; }
.wiki-edit { margin: 18px 0 0; font-size: 14px; }
.wiki-edit a { color: var(--dim); }
.wiki-edit a:hover { color: var(--fg); }

.wiki-toc { display: none; }
@media (min-width: 1180px) { .wiki-toc { display: block; position: sticky; top: 80px; } }
.wiki-toc.is-empty { visibility: hidden; }
.wiki-toc-title { margin: 0 0 8px; color: var(--dim); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.wiki-toc nav { display: grid; gap: 2px; border-left: 1px solid var(--line); }
.wiki-toc a { margin-left: -1px; padding: 5px 12px; border-left: 2px solid transparent; color: var(--dim); font-size: 14px; }
.wiki-toc a:hover { color: var(--fg); text-decoration: none; }
.wiki-toc a.is-active { color: var(--fg); border-left-color: var(--accent); }
.table { overflow-x: auto; margin: 0 0 1em; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
td { color: var(--dim); }
.note { border-left: 3px solid var(--accent); background: var(--card); padding: 12px 16px; border-radius: 0 12px 12px 0; color: var(--dim); margin: 0 0 1em; }

/* раскладки */
.layout { display: flex; flex-direction: column; }
.layout p { color: var(--dim); font-size: 15px; }
.layout .tags { font-size: 13px; margin-top: auto; }

/* вопросы */
details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 4px 18px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; padding: 12px 0; }
details p { color: var(--dim); }

@media (max-width: 820px) {
  .hero, .dl, .modes, .steps { grid-template-columns: minmax(0, 1fr); }
  .feature.wide.desk { flex-direction: column; align-items: stretch; }
  h2.center { margin-top: 44px; }
  .top { gap: 12px; }
  .brand span { display: none; }
  .top nav a { padding: 6px 9px; font-size: 14px; }
  main { padding-top: 28px; }
}

/* версии: лента сверху вниз, новая версия первой */
.ver-list { list-style: none; margin: 28px 0 32px; padding: 0; position: relative; }
.ver-list::before { content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px; width: 2px; background: var(--line); }
.ver-item { position: relative; padding-left: 36px; margin-bottom: 14px; }
.ver-dot { position: absolute; left: 2px; top: 22px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 2px solid var(--dim); }
.ver-item.latest .ver-dot { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 5px rgba(255, 92, 56, .18); }
.ver-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; margin: 0; }
.ver-item.latest .ver-card { border-color: rgba(255, 92, 56, .55); }
.ver-card > summary { list-style: none; cursor: pointer; padding: 0; font-weight: 400; }
.ver-card > summary::-webkit-details-marker { display: none; }
.ver-card > summary::after { content: "+"; float: right; margin-top: -26px; color: var(--dim); font: 600 20px var(--head); }
.ver-card[open] > summary::after { content: "–"; }
.ver-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; padding-right: 28px; }
.ver-num { font: 600 18px var(--head); color: var(--fg); }
.ver-date { color: var(--dim); font-size: 14px; }
.ver-tag { font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: var(--card2); color: var(--dim); border: 1px solid var(--line); }
.ver-item.latest .ver-tag { background: var(--accent); color: #fff; border-color: var(--accent); }
.ver-title { display: block; margin: 6px 0 0; color: var(--fg); font-weight: 500; }
.ver-notes { margin-top: 12px; }
.ver-notes h4 { margin: 14px 0 4px; font: 600 14px var(--body); color: var(--dim); text-transform: uppercase; letter-spacing: .04em; }
.ver-notes ul, .ver-item.test ul { margin: 0; padding-left: 20px; }
.ver-notes li { margin: 3px 0; }
.ver-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.ver-item.test { opacity: .5; user-select: none; }
.ver-item.test .ver-card { background: transparent; border-style: dashed; }
.ver-item.test .ver-dot { width: 10px; height: 10px; left: 5px; top: 25px; background: var(--line); border: 0; }
.ver-item.test .ver-num { font-size: 15px; }
.ver-item.test, .ver-item.test a { pointer-events: none; }
.ver-item.test ul { color: var(--dim); font-size: 14px; margin-top: 6px; }
.ver-into { margin: 8px 0 0; color: var(--dim); font-size: 13px; font-style: italic; }
@media (max-width: 520px) { .ver-item { padding-left: 28px; } .ver-card { padding: 14px 16px; } }