/* Блог partnersession.expert. Собирается tools/blog-build.py, руками не править.
   Токены, меню, кнопки, дуги на стыках и подвал взяты из v3/b.html */
:root{
  --studio:#9A9E9F; --white:#FFFFFF; --ink:#1C1D20; --accent:#455CE9;
  --muted:#64666B; --line:rgba(28,29,32,.14);
  --sans:"Onest",system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --t-white:#fff; --t-gray:#E6E7E8; --t-dark:#1C1D20;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--white);color:var(--ink);font:400 16px/1.6 var(--sans);overflow-x:hidden}
@supports(overflow:clip){body{overflow-x:clip}}
a{color:inherit;text-decoration:none}
.wrap{width:min(1320px,90vw);margin:0 auto}
:focus-visible{outline:2px solid #fff;outline-offset:0;box-shadow:0 0 0 4px var(--ink)}
.skip{position:fixed;left:16px;top:16px;z-index:200;padding:12px 18px;border-radius:999px;background:var(--ink);color:#fff;font-size:15px;transform:translateY(-200%)}
.skip:focus{transform:none}

/* шапка */
.top{position:absolute;top:0;left:0;right:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:30px 5vw;color:var(--ink);font-size:15px}
.top nav{display:flex;gap:28px}
.top nav a,.top-me{position:relative}
.top nav a::after{content:"";position:absolute;left:50%;bottom:-8px;width:5px;height:5px;border-radius:50%;background:currentColor;transform:translateX(-50%) scale(0);transition:transform .35s var(--ease)}
.top nav a:hover::after,.top nav a[aria-current]::after{transform:translateX(-50%) scale(1)}
.burger{position:fixed;top:20px;right:max(12px,calc(5vw - 60px));z-index:40;width:56px;height:56px;border-radius:50%;background:var(--ink);border:0;cursor:pointer;display:grid;place-content:center;transform:scale(0);visibility:hidden;box-shadow:0 0 0 1px rgba(255,255,255,.18);transition:transform .5s var(--ease),visibility 0s .5s}
.burger.show{transform:scale(1);visibility:visible;transition:transform .5s var(--ease)}
.burger span{display:block;width:22px;height:1.5px;background:#fff;margin:3px 0;transition:transform .4s var(--ease)}
.burger[aria-expanded=true] span:first-child{transform:translateY(4.5px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-4.5px) rotate(-45deg)}
.burger[aria-expanded=true]{background:var(--accent);box-shadow:none}
/* меню как у Dennis: панель выезжает с выгнутым краем, пункты вылетают по очереди */
.nav-back{position:fixed;inset:0;z-index:34;background:linear-gradient(to right,rgba(0,0,0,.3) 40%,#000 80%);opacity:0;pointer-events:none;transition:opacity .8s cubic-bezier(.7,0,.2,1)}
body.nav-open .nav-back{opacity:.35;pointer-events:auto}
.panel{visibility:hidden;position:fixed;top:0;right:0;height:100vh;height:100dvh;width:min(540px,100vw);background:var(--ink);color:#fff;z-index:35;transform:translateX(calc(100% + 6vw));transition:transform .8s cubic-bezier(.7,0,.2,1),visibility 0s .85s}
.panel.open{transform:none;visibility:visible;transition:transform .8s cubic-bezier(.7,0,.2,1)}
.p-bulge{position:absolute;left:1px;top:0;height:100%;transform:translateX(-100%);pointer-events:none}
.p-bw{position:relative;width:6vw;height:100%;overflow:hidden;transition:width .85s cubic-bezier(.7,0,.2,1)}
.panel.open .p-bw{width:0}
.p-bd{position:absolute;top:50%;left:50%;width:775%;height:150%;border-radius:50%;background:var(--ink);transform:translate(-6.5%,-50%)}
.p-in{display:flex;flex-direction:column;justify-content:space-between;height:100%;padding:15vh clamp(28px,4vw,64px) 10vh clamp(40px,6vw,96px)}
.p-h{padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.18);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.p-links{list-style:none;padding-top:5vh}
.p-links li{transform:translateX(15vw);transition:transform .8s cubic-bezier(.7,0,.2,1)}
.panel.open .p-links li{transform:none}
.p-links li:nth-child(2){transition-delay:.03s}.p-links li:nth-child(3){transition-delay:.06s}.p-links li:nth-child(4){transition-delay:.09s}.p-links li:nth-child(5){transition-delay:.12s}.p-links li:nth-child(6){transition-delay:.15s}
.p-links a{position:relative;display:inline-block;white-space:nowrap;font-size:clamp(40px,3.9vw,54px);line-height:1.38;letter-spacing:-.025em}
.p-links a::before{content:"";position:absolute;left:-24px;top:50%;width:9px;height:9px;margin-top:-4px;border-radius:50%;background:#fff;transform:scale(0);transition:transform .35s var(--ease)}
.p-links a:hover::before,.p-links a.cur::before{transform:scale(1)}
.p-soc ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px;padding-top:18px;font-size:15px}
.p-soc a{color:rgba(255,255,255,.85);transition:color .3s}.p-soc a:hover{color:#fff}
@media(max-width:540px){
  .nav-back{background:#0B0C0E}
  .panel{transform:translateX(calc(100% + 20vw))}
  .p-in{padding:15vh 8vw 8vh}
  .p-links a{font-size:44px}
}
@media(max-height:680px){.p-links a{font-size:40px;line-height:1.25}}

/* заголовки выезжают построчно */
.ln{display:block;overflow:hidden;padding-top:.08em;margin-top:-.08em}
.ln>span{display:block;transition:transform 1.1s var(--ease)}
html.js .lines:not(.in) .ln>span{transform:translateY(105%)}

/* кнопки */
.round{position:relative;width:168px;height:168px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;text-align:center;font-size:16px;line-height:1.3;padding:28px;transition:background .4s}
.round:hover{background:#3047D8}
.round .t{display:block}
.pill{display:inline-flex;align-items:center;gap:12px;padding:15px 22px 15px 15px;border-radius:999px;background:var(--ink);color:#fff;font-size:15px;line-height:1.3;transition:background .35s var(--ease)}
.pill:hover{background:#000}
.pill i{flex:none;width:30px;height:30px;border-radius:50%;background:#fff;position:relative}
.pill i::before{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;border:1.5px solid var(--ink);border-width:1.5px 1.5px 0 0;transform:translate(-65%,-50%) rotate(45deg)}
.round,.pill{transition-property:background,border-color,color,opacity,transform,width,scale}
.round:active,.pill:active{scale:.94}

/* разделы и дуги на стыках, как на главной */
.sx{position:relative;overflow-x:hidden;padding:clamp(90px,10vw,150px) 0 clamp(64px,6.5vw,104px)}
@supports(overflow:clip){.sx{overflow-x:clip}}
.t-white{background:var(--t-white)}
.t-gray{background:var(--t-gray)}
.t-dark{background:var(--t-dark);color:#fff}
.cv{position:absolute;left:-10%;right:-10%;top:-2px;height:9vh;background:var(--c);border-radius:0 0 50% 50%;transform-origin:top;pointer-events:none;z-index:1}
main>section{position:relative}
main>section:nth-child(1){z-index:3}main>section:nth-child(2){z-index:2}main>section:nth-child(3){z-index:1}
.sx h2{font-weight:400;font-size:clamp(38px,5.2vw,84px);letter-spacing:-.035em;line-height:1.02;max-width:15ch}
/* инерционная прокрутка Lenis: служебные стили из lenis.css */
html.lenis,html.lenis body{height:auto}
.lenis:not(.lenis-autoToggle).lenis-stopped{overflow:clip}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-smooth iframe{pointer-events:none}
@keyframes cv-flat{from{transform:scaleY(1)}to{transform:scaleY(0)}}
@keyframes sec-rise{from{transform:translate3d(0,calc(-1 * var(--rise)),0)}to{transform:none}}
@supports (animation-timeline:view()) {
  .sx{view-timeline:--sec block}
  .cv{animation:cv-flat linear both;animation-timeline:--sec;animation-range:cover 0% cover 100vh}
  @media (prefers-reduced-motion:no-preference){
    .sx:has(>.cv)>:not(.cv){--rise:20vh;animation:sec-rise linear both;animation-timeline:--sec;animation-range:cover 0% cover 100vh}
  }
  @media (prefers-reduced-motion:no-preference) and (max-width:680px){
    .sx:has(>.cv)>:not(.cv){--rise:12vh}
  }
}

/* хлебные крошки */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;font-size:14.5px;color:var(--muted)}
.crumbs li+li::before{content:"/";margin:0 10px;color:rgba(28,29,32,.35)}
.crumbs a{transition:color .3s}.crumbs a:hover{color:var(--ink)}

/* статья: шапка */
.a-head{padding-top:clamp(120px,13vw,190px)}
.a-draft{display:inline-block;margin-top:24px;padding:8px 16px;border-radius:999px;background:#FDECEA;color:#8A2A1B;font-size:14px}
.a-meta{margin-top:clamp(26px,3vw,44px);display:flex;flex-wrap:wrap;gap:4px 0;font-size:15px;color:var(--muted)}
.a-meta>*+*::before{content:"·";margin:0 10px}
.a-head h1{margin-top:16px;font-weight:400;font-size:clamp(38px,5.2vw,84px);letter-spacing:-.035em;line-height:1.02;max-width:21ch}
.a-lead{margin-top:clamp(24px,2.8vw,40px);max-width:46ch;font-size:clamp(19px,1.6vw,24px);line-height:1.45;letter-spacing:-.01em;color:#33353a}
.a-cover{margin-top:clamp(40px,5vw,80px)}
.a-cover img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:cover;border-radius:28px;background:var(--t-gray)}

/* статья: колонка текста и оглавление сбоку */
.a-grid{display:grid;grid-template-columns:minmax(200px,1fr) minmax(0,68ch);gap:6vw;align-items:stretch;padding:clamp(56px,6vw,100px) 0 clamp(90px,10vw,150px)}
.a-grid.no-toc{grid-template-columns:minmax(0,68ch);justify-content:end}
.a-side{min-width:0}
.a-toc{position:sticky;top:110px}
.a-toc summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.a-toc summary::-webkit-details-marker{display:none}
.a-toc summary i{display:none}
.a-toc ol{list-style:none;counter-reset:t}
.a-toc li{counter-increment:t}
.a-toc a{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid rgba(28,29,32,.07);font-size:15px;line-height:1.4;color:#4b4d52;transition:color .3s,transform .5s var(--ease)}
.a-toc a::before{content:counter(t);flex:none;width:18px;color:var(--muted);font-variant-numeric:tabular-nums;transition:color .3s}
.a-toc a:hover,.a-toc a.cur{color:var(--ink)}
.a-toc a:hover{transform:translateX(6px)}
.a-toc a.cur::before{color:var(--accent)}
@media(min-width:961px){.a-toc summary{pointer-events:none}}

/* текст статьи */
.prose{min-width:0;font-size:18px;line-height:1.64;color:#2a2c30}
@media(min-width:1200px){.prose{font-size:19px}}
.prose>*+*{margin-top:1.05em}
.prose h2{margin-top:1.7em;padding-top:.85em;border-top:1px solid var(--line);font-weight:400;font-size:clamp(28px,2.5vw,38px);line-height:1.12;letter-spacing:-.025em;color:var(--ink);scroll-margin-top:96px}
.prose>h2:first-child{margin-top:0;padding-top:0;border-top:0}
.prose h3{margin-top:1.8em;font-weight:400;font-size:clamp(22px,1.8vw,27px);line-height:1.2;letter-spacing:-.02em;color:var(--ink);scroll-margin-top:96px}
.prose h2+*,.prose h3+*{margin-top:.75em}
.prose strong{font-weight:500;color:var(--ink)}
.prose em{font-style:italic}
.prose a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose a:hover{text-decoration-thickness:2px}
.prose ul,.prose ol{list-style:none;border-top:1px solid var(--line)}
.prose li{position:relative;padding:12px 0 12px 32px;border-bottom:1px solid var(--line)}
.prose ul>li::before{content:"";position:absolute;left:6px;top:calc(12px + .82em - 3.5px);width:7px;height:7px;border-radius:50%;background:var(--accent)}
.prose ol{counter-reset:li}
.prose ol>li{counter-increment:li}
.prose ol>li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:12px;font-size:.78em;line-height:2.1;color:var(--accent);font-variant-numeric:tabular-nums}
.prose li>ul,.prose li>ol{margin-top:10px}
.prose blockquote{position:relative;padding:clamp(24px,2.6vw,34px) clamp(24px,2.6vw,36px) clamp(24px,2.6vw,34px) clamp(56px,5vw,72px);border-radius:24px;background:#F1F2F3;color:var(--ink)}
.prose blockquote::before{content:"";position:absolute;left:clamp(24px,2.2vw,32px);top:calc(clamp(24px,2.6vw,34px) + .82em - 6px);width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(69,92,233,.22)}
.prose blockquote>*+*{margin-top:.6em}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.prose img{display:block;width:100%;height:auto;border-radius:20px}
.prose table{width:100%;border-collapse:collapse;font-size:.9em}
.prose th,.prose td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left}
.prose th{font-weight:500;color:var(--muted)}
.a-tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:2.6em!important;border:0!important}
.a-tags li{padding:6px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:#4b4d52}
.a-tags li::before{display:none}
.a-src ol{font-size:.88em}

/* вопросы внизу статьи, как аккордеон на главной */
.faq{margin-top:.6em;border-bottom:1px solid var(--line)}
.qa{border-top:1px solid var(--line)}
.qa summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;font-size:clamp(19px,1.6vw,23px);line-height:1.25;letter-spacing:-.015em;color:var(--ink);cursor:pointer;transition:padding .5s var(--ease)}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{padding-left:10px}
.qa summary i,.a-toc summary i{position:relative;flex:none;width:42px;height:42px;border-radius:50%;border:1px solid rgba(28,29,32,.25);transition:transform .5s var(--ease),background .3s,border-color .3s}
.qa summary i::before,.qa summary i::after,.a-toc summary i::before,.a-toc summary i::after{content:"";position:absolute;left:50%;top:50%;width:13px;height:1.5px;margin:-.75px 0 0 -6.5px;background:var(--ink);transition:background .3s}
.qa summary i::after,.a-toc summary i::after{transform:rotate(90deg)}
.qa[open] summary i,.a-toc[open] summary i{transform:rotate(45deg);background:var(--accent);border-color:var(--accent)}
.qa[open] summary i::before,.qa[open] summary i::after,.a-toc[open] summary i::before,.a-toc[open] summary i::after{background:#fff}
.qa-a p{padding:0 56px 24px 0;color:#4b4d52}

/* строки статей: список блога и «Читайте также» */
.posts{list-style:none;border-top:1px solid var(--line)}
.post{border-bottom:1px solid var(--line);transition:opacity .5s var(--ease)}
.post-a{display:grid;grid-template-columns:minmax(140px,.6fr) 2fr minmax(220px,1fr);grid-template-areas:"meta tx img";gap:4vw;align-items:start;padding:clamp(30px,3.4vw,50px) 0}
.post-meta{grid-area:meta;display:flex;flex-direction:column;gap:2px;padding-top:.5em;font-size:14.5px;color:#55575c}
.post-tx{grid-area:tx}
.post-t{font-weight:400;font-size:clamp(26px,2.8vw,44px);letter-spacing:-.025em;line-height:1.08;transition:transform .7s var(--ease)}
.post-d{margin-top:16px;font-size:16.5px;line-height:1.6;color:#4b4d52;max-width:52ch}
.post-img{grid-area:img;overflow:hidden;border-radius:18px;aspect-ratio:4/3;background:var(--t-gray)}
.post-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
@media(hover:hover){
  .posts:hover .post:not(:hover){opacity:.35}
  .post:hover .post-t{transform:translateX(1.4vw)}
  .post:hover .post-img img{transform:scale(1.04)}
}
.post-a:focus-visible .post-t{transform:translateX(1.4vw)}
.t-gray .post-img{background:#d9dadc}

/* список блога */
.b-main{padding:clamp(120px,13vw,190px) 0 clamp(90px,10vw,150px)}
.b-head{display:grid;grid-template-columns:1.1fr .9fr;gap:6vw;align-items:end;margin:clamp(24px,3vw,44px) 0 clamp(50px,6vw,90px)}
.b-head h1{font-weight:400;font-size:clamp(72px,11vw,190px);letter-spacing:-.045em;line-height:.92}
.b-lead p{font-size:clamp(19px,1.6vw,24px);line-height:1.45;letter-spacing:-.01em;color:#33353a;max-width:30ch}
.b-rss{display:inline-block;margin-top:16px;font-size:14.5px;color:#4b4d52;border-bottom:1px solid rgba(28,29,32,.3);transition:border-color .3s}
.b-rss:hover{border-color:var(--ink)}

/* «Читайте также» */
.rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px 40px;flex-wrap:wrap;margin-bottom:clamp(40px,5vw,70px)}

/* финальный блок и подвал, как на главной: кружок лежит на линии */
.s12{padding-bottom:0}
.fin h2{font-size:clamp(44px,6.6vw,112px);max-width:14ch}
.fin p{margin-top:30px;font-size:18px;line-height:1.55;color:rgba(255,255,255,.7);max-width:46ch}
.fin .round{position:relative;z-index:2;display:grid;width:190px;height:190px;margin:clamp(30px,4vw,60px) 6vw -95px auto;font-size:17px}
.fin-line{height:clamp(130px,11vw,170px);border-top:1px solid rgba(255,255,255,.14)}
@keyframes fin-run{from{translate:-16vw 0}to{translate:0 0}}
@supports (animation-timeline:view()) {
  @media (prefers-reduced-motion:no-preference) and (min-width:961px){
    .fin .round{animation:fin-run linear both;animation-timeline:scroll(root);animation-range:calc(100% - 100vh) 100%}
  }
}
.foot{padding:26px 0 84px;background:var(--t-dark);border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:rgba(255,255,255,.62)}
.foot .wrap{display:grid;grid-template-columns:1fr 2fr 1fr;gap:30px;align-items:start}
.f-me{display:flex;flex-direction:column;gap:4px}.f-me b{font-weight:500;color:#fff;font-size:16px}
.f-con{list-style:none;display:flex;flex-wrap:wrap;gap:8px 26px}
.f-con a,.f-leg a{color:#fff;border-bottom:1px solid rgba(255,255,255,.3);transition:border-color .3s}
.f-con a:hover,.f-leg a:hover{border-color:#fff}
.f-leg{display:flex;flex-direction:column;align-items:flex-end;gap:6px}

@media(max-width:960px){
  .a-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .a-grid.no-toc{justify-content:stretch}
  .a-toc{position:static}
  .a-toc summary{padding:16px 0;border-top:1px solid var(--line);font-size:13px;cursor:pointer}
  .a-toc summary i{display:block;width:36px;height:36px}
  .a-toc[open] summary{border-bottom-color:var(--line)}
  .a-cover img{aspect-ratio:3/2;border-radius:22px}
  .b-head{grid-template-columns:1fr;gap:24px}
  .post-a{grid-template-columns:1fr minmax(130px,34%);grid-template-areas:"meta img" "tx img";gap:12px 5vw}
  .post-meta{flex-direction:row;flex-wrap:wrap;gap:0 14px;padding-top:0}
  .fin .round{width:150px;height:150px;margin:36px auto 30px 0;font-size:15px}
  .fin-line{height:60px}
}
@media(max-width:680px){
  .top nav{display:none}
  .top{padding:26px 6vw}
  .post-a{grid-template-columns:1fr;grid-template-areas:"img" "meta" "tx";gap:14px}
  .post-img{aspect-ratio:16/10}
  .post-d{font-size:16px}
  .prose{font-size:18px}
  /* «Обновлено …» на телефоне своей строкой, без точки в начале */
  .a-meta>:nth-child(3){flex-basis:100%}.a-meta>:nth-child(3)::before{content:none}
  .prose li{padding-left:26px}
  .prose ul>li::before{left:3px}
  .qa-a p{padding-right:0}
  .round{width:124px;height:124px;font-size:14px;padding:18px}
  .foot .wrap{grid-template-columns:1fr;gap:18px}
  .f-leg{align-items:flex-start}
}
@media(max-width:400px){
  .round{width:112px;height:112px;padding:14px;font-size:13.5px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}