/* portshaper — Aurora. Общий стиль: оболочка (фон, шапка), лендинг (body.deck), документы (body.doc). */
:root{
  --bg:#07061a; --fg:#f3f1ff; --text:#d6d3ea; --dim:#8e8ab5; --cap:#dcd9f0;
  --line:rgba(243,241,255,.12); --line-2:rgba(243,241,255,.18); --accent:#a99cff;
  --display:"Inter Tight",system-ui,sans-serif; --mono:"Martian Mono",ui-monospace,monospace;
  --gut:clamp(16px,4vw,60px);
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg)}
body{background:var(--bg);color:var(--fg);font-family:var(--display);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}

/* ============ оболочка ============ */
#bg{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0;pointer-events:none;transition:opacity .9s ease}

.top{position:fixed;inset:0 0 auto;z-index:10;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  padding:calc(env(safe-area-inset-top) + 18px) var(--gut) 16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  border-bottom:1px solid transparent;transition:background .35s,border-color .35s}
.top.solid{background:rgba(7,6,26,.78);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:800;font-size:17px;letter-spacing:-.03em;justify-self:start}
.brand svg{width:20px;height:20px}
.count{color:var(--dim);font-variant-numeric:tabular-nums;transition:opacity .4s}
.count b{color:var(--fg);font-weight:400}
body.doc .count{opacity:0}
.tools{justify-self:end;display:flex;align-items:center;gap:6px}
.lang,.login{all:unset;cursor:pointer;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:8px 12px;border-radius:999px;transition:.25s}
.lang{color:var(--dim)} .lang:hover{color:var(--fg)}
.login{border:1px solid var(--line-2);display:inline-flex;align-items:center;gap:8px}
.login:hover{border-color:var(--fg)}
.login svg{width:11px;height:11px}
@media (max-width:560px){ .count{display:none} .top{grid-template-columns:1fr auto} }

/* смена страниц */
#view{position:relative;z-index:2;transition:opacity .38s ease,transform .5s var(--ease)}
#view.leave{opacity:0;transform:translateY(-14px)}
#view.enter{opacity:0;transform:translateY(18px);transition:none}

/* ============ лендинг ============ */
body.deck{height:100%;overflow:hidden}
html:has(body.deck){height:100%;overflow:hidden}
.prog{position:fixed;left:0;bottom:0;height:2px;background:var(--fg);z-index:6;width:0;transition:width .9s cubic-bezier(.65,0,.35,1),opacity .4s}
body.doc .prog{opacity:0}

#deck{height:100dvh;overflow-y:auto;scroll-snap-type:y mandatory;scrollbar-width:none;overscroll-behavior:none}
#deck::-webkit-scrollbar{display:none}
.s{height:100dvh;scroll-snap-align:start;scroll-snap-stop:always;display:flex;flex-direction:column;justify-content:center;padding:80px var(--gut) 70px;position:relative}
.s3{align-items:flex-end;text-align:right}
.s4{padding-bottom:clamp(96px,14vh,130px)}

.mega{font-weight:900;font-size:clamp(56px,14vw,260px);line-height:.86;letter-spacing:-.06em;mix-blend-mode:difference}
.line{display:block;overflow:hidden;padding-bottom:.12em;margin-bottom:-.08em}
.line > span{display:block;transform:translateY(108%);transition:transform 1.3s var(--ease)}
.in .line > span{transform:none}
.in .line:nth-child(2) > span{transition-delay:.09s}.in .line:nth-child(3) > span{transition-delay:.18s}

.cap{font-family:var(--mono);font-weight:400;font-size:clamp(13px,1.1vw,15px);letter-spacing:.04em;color:var(--cap);max-width:38ch;line-height:1.8;
  margin-top:clamp(24px,4.5vh,44px);text-shadow:0 0 18px var(--bg),0 0 6px var(--bg),0 1px 2px var(--bg);
  opacity:0;transform:translateY(10px);transition:opacity 1.1s .45s,transform 1.1s .45s var(--ease)}
.in .cap{opacity:1;transform:none}
.s3 .cap{margin-left:auto}

.stat{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;mix-blend-mode:difference;opacity:0;transition:opacity 1.2s}
.in .stat{opacity:1}
.stat .n{font-weight:900;font-size:clamp(90px,20vw,340px);letter-spacing:-.06em;line-height:.8;font-variant-numeric:tabular-nums}
.stat .u{font-family:var(--mono);font-size:clamp(11px,1.1vw,15px);letter-spacing:.1em;line-height:1.6}

.cta{margin-top:clamp(32px,6vh,56px);align-self:flex-start;display:inline-flex;align-items:center;gap:14px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;padding:17px 26px;border-radius:999px;background:var(--fg);color:var(--bg);
  opacity:0;transform:translateY(10px);transition:opacity 1s .5s,transform 1s .5s var(--ease),gap .3s,box-shadow .3s}
.in .cta{opacity:1;transform:none}
.cta:hover{gap:22px;box-shadow:0 0 0 8px var(--line)}

.legal{position:absolute;left:var(--gut);right:var(--gut);bottom:calc(env(safe-area-inset-bottom) + 20px);display:flex;justify-content:space-between;align-items:center;gap:10px 24px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--dim)}
.legal nav{display:flex;gap:6px 20px;flex-wrap:wrap}
.legal a:hover{color:var(--fg)}
@media (max-width:560px){ .legal{flex-direction:column;align-items:flex-start} .s3{align-items:flex-start;text-align:left} .s3 .cap{margin-left:0} }

/* ============ документы ============ */
body.doc{color:var(--text);font-size:16.5px;line-height:1.72}
html:has(body.doc){scroll-padding-top:96px}
.page{max-width:1240px;margin:0 auto;padding:clamp(120px,22vh,200px) var(--gut) 0}
.doc-head{max-width:900px;margin-bottom:clamp(56px,10vh,110px)}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:22px}
.doc-head h1{font-weight:900;font-size:clamp(34px,8.4vw,128px);hyphens:auto;overflow-wrap:break-word;line-height:.88;letter-spacing:-.055em;color:var(--fg);text-transform:lowercase;text-wrap:balance}
.updated{margin-top:28px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--dim)}

.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:start}
.layout.no-toc{grid-template-columns:minmax(0,1fr)}
.toc{position:sticky;top:96px;max-height:calc(100vh - 120px);overflow:auto;scrollbar-width:none;font-family:var(--mono);font-size:11px;line-height:1.5;letter-spacing:.02em}
.toc::-webkit-scrollbar{display:none}
.toc a{display:grid;grid-template-columns:26px 1fr;gap:6px;padding:6px 0;color:var(--dim);transition:color .2s}
.toc a:hover,.toc a.on{color:var(--fg)}
.toc a.on b{color:var(--accent);opacity:1}
.toc b{font-weight:400;opacity:.7}
@media (max-width:900px){ .layout{grid-template-columns:minmax(0,1fr)} .toc{display:none} }

.prose{max-width:72ch}
.prose section{padding:clamp(28px,5vh,44px) 0;border-top:1px solid var(--line)}
.prose section:first-child{border-top:0;padding-top:0}
.prose h2{display:flex;align-items:baseline;gap:16px;font-weight:800;font-size:clamp(22px,2.2vw,30px);line-height:1.15;letter-spacing:-.03em;color:var(--fg);margin-bottom:18px}
.prose h2 .num{font-family:var(--mono);font-weight:400;font-size:12px;letter-spacing:.06em;color:var(--accent);flex:none;min-width:24px}
.prose p{margin:0 0 14px}
.prose p:has(> .cl){position:relative;padding-left:3.4em}
.prose .cl{position:absolute;left:0;top:.28em;font-family:var(--mono);font-size:11.5px;color:var(--dim);letter-spacing:.02em}
.prose b,.prose strong{color:var(--fg);font-weight:600}
.prose a{color:var(--accent);border-bottom:1px solid rgba(169,156,255,.35);transition:border-color .2s}
.prose a:hover{border-color:var(--accent)}
.prose ul{list-style:none;margin:6px 0 16px}
.prose li{position:relative;padding-left:1.6em;margin-bottom:8px}
.prose li::before{content:"";position:absolute;left:0;top:.8em;width:.7em;height:1px;background:var(--accent)}
.prose .note{margin-top:18px;padding:16px 20px;border-left:2px solid var(--accent);background:rgba(169,156,255,.06);border-radius:0 12px 12px 0;color:var(--fg);font-size:15px}

.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden;max-width:980px;margin-bottom:clamp(40px,8vh,80px)}
.contact-card{background:var(--bg);padding:clamp(22px,3vw,36px);transition:background .3s}
.contact-card:hover{background:#0d0b2a}
.contact-card .k{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.contact-card .v{font-weight:800;font-size:clamp(19px,2vw,26px);letter-spacing:-.03em;color:var(--fg);margin-bottom:10px;overflow-wrap:anywhere}
.contact-card .v a:hover{color:var(--accent)}
.contact-card p{color:var(--dim);font-size:15px}
@media (max-width:640px){ .contact-grid{grid-template-columns:1fr} }

.foot{max-width:1240px;margin:clamp(80px,14vh,140px) auto 0;padding:28px var(--gut) calc(env(safe-area-inset-bottom) + 28px);
  border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:14px 28px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--dim)}
.foot nav{display:flex;gap:6px 20px;flex-wrap:wrap}
.foot a:hover,.foot a.cur{color:var(--fg)}
.foot .home{color:var(--accent)}
@media (max-width:640px){ .foot{flex-direction:column;align-items:flex-start} }

@media (prefers-reduced-motion:reduce){
  #view,#bg,.line > span,.cap,.cta,.stat,.prog{transition:none}
}