/* ============================================================
   Т360 — управленческие тренинги
   Палитра: бумага, чернила, петроль, пламя. Четыре цвета,
   остальное — их прозрачности и оттенки.
   ============================================================ */

:root{
  --paper:#F4F1E9;
  --surface:#FCFBF7;
  --ink:#131E26;
  --teal:#0E5461;
  --flame:#DB5B2B;

  --line:rgba(19,30,38,.14);
  --line-soft:rgba(19,30,38,.08);
  --muted:rgba(19,30,38,.64);
  --faint:rgba(19,30,38,.42);
  --teal-06:rgba(14,84,97,.06);
  --teal-12:rgba(14,84,97,.12);
  --teal-40:rgba(14,84,97,.40);
  --flame-08:rgba(219,91,43,.08);

  --serif:"Georgia","Iowan Old Style","Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Segoe UI",Arial,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;

  --h1:clamp(42px,6vw,78px);
  --h2:clamp(29px,3.4vw,44px);
  --h3:clamp(20px,2vw,25px);
  --body:17px;

  --wrap:1200px;
  --pad:32px;
  --radius:2px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);overflow-x:hidden;
  font-family:var(--sans);font-size:var(--body);line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--teal);color:var(--paper)}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 16px}

/* ---------- типографика ---------- */
.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--teal);opacity:.7}
.eyebrow.no-rule::before{display:none}

h1,h2,h3,h4{font-family:var(--serif);font-weight:400;margin:0;letter-spacing:-.015em;line-height:1.06}
h1{font-size:var(--h1);letter-spacing:-.025em}
h2{font-size:var(--h2)}
h3{font-size:var(--h3);line-height:1.2}
h4{font-size:19px;line-height:1.3}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
.lead{font-size:clamp(18px,1.5vw,21px);line-height:1.55;color:var(--muted);max-width:62ch}
.small{font-size:14px;line-height:1.55;color:var(--muted)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.06em}
.mark{color:var(--flame)}
.serif{font-family:var(--serif)}

/* ---------- хедер ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(244,241,233,.88);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line-soft);
}
.header-in{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;height:74px}
.brand{justify-self:start}
.nav{justify-self:center}
.header-cta{justify-self:end}
.brand{display:flex;align-items:baseline;gap:12px}
.brand-mark{font-family:var(--serif);font-size:25px;letter-spacing:-.03em;line-height:1}
.brand-mark b{font-weight:400}
.brand-mark i{font-style:normal;color:var(--flame)}
.brand-sub{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:14px;color:var(--muted);position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--ink);transition:right .25s ease}
.nav a:hover::after,.nav a[aria-current="page"]::after{right:0}
.nav a[aria-current="page"]{color:var(--ink)}
.header-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);align-items:center;justify-content:center}
.burger span{width:16px;height:1px;background:var(--ink);position:relative;display:block}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:1px;background:var(--ink)}
.burger span::before{top:-5px}.burger span::after{top:5px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-menu{display:none}

/* ---------- кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 22px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);
  font-size:14px;letter-spacing:.01em;border-radius:var(--radius);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{background:var(--teal);border-color:var(--teal)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:transparent;border-color:var(--teal);color:var(--teal)}
.btn.small{height:40px;padding:0 16px;font-size:13px}
.btn .ar{transition:transform .2s ease}
.btn:hover .ar{transform:translateX(3px)}

/* ---------- секции ---------- */
.section{padding:86px 0}
.section.tight{padding:56px 0}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:52px}
.section-head .lead{justify-self:end}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- hero ---------- */
.hero{padding:78px 0 64px;border-bottom:1px solid var(--line-soft)}
.hero-grid{display:grid;grid-template-columns:1.45fr .85fr;gap:64px;align-items:start}
.hero h1{margin:22px 0 0;max-width:15ch}
.hero h1 em{font-style:italic;color:var(--teal)}
.hero-right{padding-top:54px}
.hero-right p{font-size:18px;line-height:1.6;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:30px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink);border-bottom:1px solid var(--teal-40);padding-bottom:2px;transition:color .2s ease}
.link-arrow:hover{color:var(--teal)}
.link-arrow .ar{transition:transform .2s ease}
.link-arrow:hover .ar{transform:translateX(3px)}
.hero-meta{display:flex;gap:28px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line-soft);flex-wrap:wrap}
.hero-meta div{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
.hero-meta b{display:block;font-family:var(--serif);font-size:26px;letter-spacing:-.02em;color:var(--ink);margin-bottom:2px;font-weight:400}

/* ---------- цифры ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric{padding:30px 28px 28px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric b{display:block;font-family:var(--serif);font-size:clamp(38px,4vw,54px);font-weight:400;letter-spacing:-.03em;line-height:1}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--muted);max-width:22ch}
.metric i{font-style:normal;color:var(--flame)}

/* ---------- карточки ---------- */
.cards{display:grid;gap:20px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px 28px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .25s ease,transform .25s ease;
}
.card:hover{border-color:var(--teal-40);transform:translateY(-2px)}
.card .num{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--teal)}
.card h3{margin-top:2px}
.card p{color:var(--muted);font-size:15.5px}
.card .card-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.card .link{color:var(--ink);border-bottom:1px solid var(--teal-40);padding-bottom:1px}
.card .link:hover{color:var(--teal)}

/* ---------- шаги ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:26px 26px 30px 0;border-right:1px solid var(--line-soft);position:relative}
.step:last-child{border-right:0}
.step b{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--flame);margin-bottom:14px}
.step h4{margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- дерево-превью на главной ---------- */
.tree-preview{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.tree-preview .dirs{border-top:1px solid var(--line)}
.dir-row{display:grid;grid-template-columns:34px 1fr auto;gap:14px;align-items:center;padding:16px 4px;border-bottom:1px solid var(--line-soft)}
.dir-row .n{font-family:var(--mono);font-size:11px;color:var(--teal)}
.dir-row .t{font-family:var(--serif);font-size:20px;letter-spacing:-.01em}
.dir-row .c{font-family:var(--mono);font-size:11px;color:var(--faint)}
.dir-row:hover .t{color:var(--teal)}
.dir-row:hover .n{color:var(--flame)}

/* ---------- таблицы ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--surface)}
table.data{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
table.data th{
  text-align:left;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);font-weight:400;padding:16px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.data td{padding:15px 18px;border-bottom:1px solid var(--line-soft);vertical-align:top;color:var(--ink)}
table.data tr:last-child td{border-bottom:0}
table.data td.muted{color:var(--muted)}
table.data tr:hover td{background:var(--teal-06)}

/* ---------- цитата / акцентный блок ---------- */
.quote{border-left:2px solid var(--flame);padding:6px 0 6px 22px;font-family:var(--serif);font-size:clamp(20px,2.2vw,26px);line-height:1.4;letter-spacing:-.01em}
.band{background:var(--ink);color:var(--paper);padding:70px 0}
.band h2{color:var(--paper);max-width:22ch}
.band .lead{color:rgba(244,241,233,.72)}
.band .btn{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.band .btn:hover{background:var(--flame);border-color:var(--flame);color:var(--paper)}
.band .eyebrow{color:rgba(244,241,233,.6)}
.band .eyebrow::before{background:rgba(244,241,233,.6)}
.band-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:center}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:start}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 0;display:flex;justify-content:space-between;gap:24px;
  font-family:var(--serif);font-size:21px;letter-spacing:-.01em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{font-family:var(--sans);font-size:20px;color:var(--teal);transition:transform .2s ease;line-height:1}
.faq details[open] summary .pm{transform:rotate(45deg)}
.faq .a{padding:0 0 24px;color:var(--muted);max-width:76ch}

/* ---------- подвал ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-grid h5{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin:0 0 14px;font-weight:400}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{font-size:14px;color:var(--muted)}
.footer-grid a:hover{color:var(--ink)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12.5px;color:var(--faint)}

/* ============================================================
   ДЕРЕВО
   ============================================================ */
.tree-page{padding:52px 0 90px}
.tree-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:end;margin-bottom:38px}
.tree-intro h1{font-size:clamp(38px,4.6vw,60px);margin-top:18px}
.tree-intro .lead{max-width:46ch;justify-self:end}

.tree-toolbar{
  position:sticky;top:74px;z-index:20;background:rgba(244,241,233,.94);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:11px 0 9px;
}
.tb-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.tb-meta{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:9px;padding-top:8px;border-top:1px solid var(--line-soft);flex-wrap:wrap}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.seg button{
  padding:9px 14px;font-size:13px;color:var(--muted);border-right:1px solid var(--line);
  display:flex;align-items:center;gap:7px;transition:background .18s ease,color .18s ease;
}
.seg button:last-child{border-right:0}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.seg button:hover:not([aria-pressed="true"]){background:var(--teal-06);color:var(--ink)}
.seg .lv{font-family:var(--mono);font-size:10px;opacity:.7}

.search{position:relative;flex:1;min-width:200px;max-width:340px}
.search input{
  width:100%;height:38px;padding:0 34px 0 12px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);font-size:13.5px;
}
.search input:focus{outline:none;border-color:var(--teal)}
.search svg{position:absolute;right:11px;top:50%;transform:translateY(-50%);opacity:.45}
.tool-btn{font-size:13px;color:var(--muted);padding:8px 10px;border:1px solid transparent}
.tool-btn:hover{color:var(--ink);border-color:var(--line)}
.tree-count{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--faint)}
.legend{display:flex;gap:18px;align-items:center;font-size:11px;color:var(--faint);font-family:var(--mono)}
.legend .dots{padding-top:0}
.legend span{display:inline-flex;align-items:center;gap:6px}

.tree-grid{display:grid;grid-template-columns:minmax(320px,400px) 1fr;gap:56px;padding-top:30px;align-items:start}
.tree-pane{position:sticky;top:146px;max-height:calc(100vh - 170px);overflow:auto;padding-right:10px;scrollbar-width:thin}
.tree-pane::-webkit-scrollbar{width:6px}
.tree-pane::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}

.dgroup{border-top:1px solid var(--line)}
.dgroup:last-child{border-bottom:1px solid var(--line)}
.dnode{
  width:100%;display:grid;grid-template-columns:26px 1fr auto 16px;gap:10px;align-items:center;
  padding:15px 2px;text-align:left;
}
.dnode .dnum{font-family:var(--mono);font-size:10.5px;color:var(--teal)}
.dnode .dname{font-family:var(--serif);font-size:19px;letter-spacing:-.01em;line-height:1.15}
.dnode .dcnt{font-family:var(--mono);font-size:10.5px;color:var(--faint)}
.dnode .caret{width:12px;height:12px;position:relative;transition:transform .2s ease}
.dnode .caret::before,.dnode .caret::after{content:"";position:absolute;left:0;right:0;top:6px;height:1px;background:var(--muted)}
.dnode .caret::after{transform:rotate(90deg);transition:opacity .2s ease}
.dgroup[data-open="true"] .caret::after{opacity:0}
.dnode:hover .dname{color:var(--teal)}

.dlist{display:none;padding:2px 0 12px 0}
.dgroup[data-open="true"] .dlist{display:block}
.cnode{
  width:100%;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:start;text-align:left;
  padding:10px 10px 10px 26px;position:relative;border-radius:var(--radius);
}
.cnode::before{
  content:"";position:absolute;left:9px;top:0;bottom:0;width:1px;background:var(--line);
}
.cnode:first-child::before{top:18px}
.cnode:last-child::after{
  content:"";position:absolute;left:9px;bottom:0;height:50%;width:1px;background:var(--paper);
}
.cnode .cname{font-size:14.5px;line-height:1.35}
.cnode .ccode{font-family:var(--mono);font-size:10px;color:var(--faint);margin-right:8px}
.cnode:hover{background:var(--surface)}
.cnode[aria-current="true"]{background:var(--ink);color:var(--paper)}
.cnode[aria-current="true"] .ccode{color:rgba(244,241,233,.5)}
.cnode[aria-current="true"]::before{background:transparent}
.cnode[aria-current="true"] .dots i{border-color:rgba(244,241,233,.5)}
.cnode[aria-current="true"] .dots i.on{background:var(--paper);border-color:var(--paper)}
.cnode.hide{display:none}
.cnode.dim{opacity:.34}
.cnode .hit{background:rgba(219,91,43,.22);color:inherit}
.cnode[aria-current="true"] .hit{background:rgba(244,241,233,.16);color:var(--paper)}

.dots{display:flex;gap:4px;padding-top:6px}
.dots i{width:7px;height:7px;border:1px solid var(--teal-40);border-radius:50%;display:block}
.dots i.on{background:var(--teal);border-color:var(--teal)}
.dots i.on.l2{background:var(--teal-40);border-color:var(--teal-40)}
.dots i.on.l1{background:var(--teal-12);border-color:var(--teal-40)}

/* панель детали */
.detail{min-height:520px}
.lvl-table{margin-top:26px;border-top:1px solid var(--line)}
.lvl-row{display:grid;grid-template-columns:132px 1fr 86px;gap:16px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line-soft);font-size:13.5px}
.lvl-row b{font-family:var(--mono);font-size:11px;font-weight:400;letter-spacing:.06em;color:var(--teal)}
.lvl-row .bar{width:86px;flex:0 0 86px}
.lvl-row .num{font-family:var(--mono);font-size:11px;color:var(--faint);text-align:right}
.detail-empty{border:1px dashed var(--line);padding:40px 36px;color:var(--muted);background:var(--surface);min-height:460px}
.detail-empty h3{margin-bottom:12px;color:var(--ink)}
.detail-card{background:var(--surface);border:1px solid var(--line)}
.detail-head{padding:30px 34px 24px;border-bottom:1px solid var(--line)}
.detail-head .top{display:flex;justify-content:space-between;gap:20px;align-items:baseline;margin-bottom:10px}
.detail-code{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--teal)}
.detail-dir{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.detail-head h2{font-size:clamp(26px,2.6vw,34px);letter-spacing:-.02em}
.detail-body{padding:26px 34px 32px}
.detail-body h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:400;margin:26px 0 10px}
.detail-body h4:first-child{margin-top:0}
.levels{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;border:1px solid var(--line-soft);padding:16px;background:var(--paper)}
.level{display:flex;flex-direction:column;gap:8px}
.level .lname{font-size:11.5px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.level .lname b{font-family:var(--mono);font-weight:400;color:var(--ink);font-size:11px;letter-spacing:.06em}
.bar{display:flex;gap:3px}
.bar i{height:4px;flex:1;background:var(--line-soft);display:block}
.bar i.on{background:var(--teal)}
.level[data-l="0"] .bar i{background:var(--line-soft)}
.level .lnum{font-family:var(--mono);font-size:10px;color:var(--faint);letter-spacing:.04em}

.ind{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ind li{display:grid;grid-template-columns:22px 1fr;gap:10px;font-size:15px;line-height:1.5}
.ind li .n{font-family:var(--mono);font-size:10px;color:var(--teal);padding-top:4px}
.bend{border-left:2px solid var(--flame);background:var(--flame-08);padding:12px 16px;font-size:14.5px;line-height:1.5;color:var(--ink)}
.diag{display:grid;gap:10px;font-size:14px}
.diag .row{display:grid;grid-template-columns:88px 1fr;gap:12px;align-items:start}
.diag .k{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);padding-top:3px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;padding:4px 8px;border:1px solid var(--line);color:var(--muted);background:var(--paper);border-radius:2px}
.chip.link:hover{border-color:var(--teal);color:var(--teal)}
.value{background:var(--teal-06);border-left:2px solid var(--teal);padding:16px 18px;font-family:var(--serif);font-size:17px;line-height:1.45;letter-spacing:-.005em}
.detail-foot{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 34px;border-top:1px solid var(--line);font-size:12.5px;color:var(--faint);flex-wrap:wrap}
.detail-foot a{color:var(--teal);border-bottom:1px solid var(--teal-40)}

/* сцены */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.scene{background:var(--surface);padding:24px 24px 26px}
.scene .sc{font-family:var(--mono);font-size:10.5px;color:var(--flame);letter-spacing:.08em}
.scene h4{margin:8px 0 8px;font-size:19px}
.scene p{font-size:13.5px;color:var(--muted);line-height:1.5}

/* ---------- формы ---------- */
.form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:start}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 13px;font-size:15px;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:12.5px;color:var(--faint);margin-top:14px}
.form-ok{border:1px solid var(--teal);background:var(--teal-06);padding:26px 24px;display:none}
.form-ok.show{display:block}
.contact-aside{border-left:1px solid var(--line);padding-left:40px}
.contact-aside .item{padding:18px 0;border-bottom:1px solid var(--line-soft)}
.contact-aside .item:first-child{padding-top:0}
.contact-aside .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:5px}
.contact-aside .v{font-size:16px}

/* ---------- появление ---------- */
.reveal{transition:opacity .6s ease,transform .6s ease}
.js .reveal:not(.in){opacity:0;transform:translateY(14px)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- адаптив ---------- */
@media (max-width:1080px){
  :root{--pad:24px}
  .hero-grid,.section-head,.tree-preview,.tree-intro,.form-grid,.band-grid,.faq-grid{grid-template-columns:1fr;gap:32px}
  .hero-right{padding-top:0}
  .hero h1{max-width:18ch}
  .section-head .lead,.tree-intro .lead{justify-self:start}
  .cards.c3,.cards.c4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:0}
  .tree-grid{grid-template-columns:1fr;gap:32px}
  .tree-pane{position:static;max-height:none;overflow:visible;padding-right:0;border:1px solid var(--line);background:var(--surface)}
  .dgroup:first-child{border-top:0}
  .scenes{grid-template-columns:repeat(2,1fr)}
  .contact-aside{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:26px}
}
@media (max-width:760px){
  .header-in{grid-template-columns:1fr auto}
  .nav{display:none}
  .header-cta .btn{display:none}
  .burger{display:flex}
  .mobile-menu{
    display:block;position:fixed;left:0;right:0;top:74px;z-index:60;background:var(--paper);
    border-bottom:1px solid var(--line);padding:6px var(--pad) 20px;
    box-shadow:0 22px 34px -26px rgba(19,30,38,.5);
  }
  .mobile-menu[hidden]{display:none}
  .mobile-menu a{display:block;padding:15px 0;border-bottom:1px solid var(--line-soft);font-size:16px}
  .mobile-menu a:last-child{border-bottom:0}
  .section{padding:58px 0}
  .hero{padding:46px 0 40px}
  .metrics{grid-template-columns:1fr 1fr}
  .metric{border-bottom:1px solid var(--line)}
  .metric:nth-child(2n){border-right:0}
  .metric:nth-child(3),.metric:nth-child(4){border-bottom:0}
  .cards.c3,.cards.c4,.cards.c2,.scenes{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line-soft);padding-right:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .tree-toolbar{padding:10px 0}
  .tb-row{gap:10px}
  .tb-row .search{max-width:none;order:3;flex-basis:100%}
  .tb-meta{gap:8px}
  .detail-head,.detail-body{padding-left:20px;padding-right:20px}
  .detail-foot{padding:14px 20px}
  .levels{grid-template-columns:1fr;gap:10px}
  .field-row{grid-template-columns:1fr}
  h1{letter-spacing:-.02em}
}