/* ==========================================================================
   AXON — styles.css
   Тьма → свет · IBM Plex Sans / Mono · единственный акцент — ember
   ========================================================================== */

/* ---------- Токены ---------- */
:root{
  /* тёмная зона */
  --void:#060710;
  --deep:#0A0C16;
  --dusk:#10131F;
  --text-d:#EAECF3;
  --text-d2:#9AA0B4;
  --text-d3:#5E6478;
  /* светлая зона */
  --paper:#F3F4F8;
  --surface:#FFFFFF;
  --surface-2:#F8F9FB;
  --ink:#0D0E13;
  --ink-2:#565A66;
  --ink-3:#9AA0AC;
  /* акцент */
  --ember:#FF7A45;
  --ember-deep:#E85F2A;
  --ember-soft:rgba(255,122,69,0.12);
  --glow-white:rgba(255,255,255,0.9);
  /* линии */
  --line-d:rgba(255,255,255,0.10);
  --line-d2:rgba(255,255,255,0.18);
  --line-l:rgba(13,14,19,0.08);
  --line-l2:rgba(13,14,19,0.14);
  /* стекло */
  --glass-dark:rgba(16,19,31,0.5);
  --glass-dark-bd:rgba(255,255,255,0.12);
  --glass-light:rgba(255,255,255,0.6);
  --glass-light-bd:rgba(255,255,255,0.7);
  --shadow-soft:0 24px 60px rgba(6,7,16,0.35);
  --shadow-soft-l:0 24px 60px rgba(13,14,19,0.08);
  /* радиусы */
  --r-card:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-pill:999px;
  /* сетка */
  --content-max:1380px;
  --pad-x:48px;
  --sec-pad:clamp(90px,14vh,180px);
  /* шрифты */
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'Cascadia Mono',Consolas,monospace;
  /* моушн */
  --ease:cubic-bezier(0.16,1,0.3,1);
  --ease-soft:cubic-bezier(0.22,1,0.36,1);
  /* живой фон (JS интерполирует по скроллу) */
  --bg-current:#060710;
  /* прогресс тьма→свет 0..1 (JS) */
  --light-mix:0;
}
@media (max-width:1023px){ :root{ --pad-x:32px } }
@media (max-width:767px){ :root{ --pad-x:20px } }

/* ---------- Семантические переменные по теме ---------- */
[data-theme="dark"]{
  --text:var(--text-d);
  --text-2:var(--text-d2);
  --text-3:var(--text-d3);
  --line:var(--line-d);
  --line-2:var(--line-d2);
  --glass:var(--glass-dark);
  --glass-bd:var(--glass-dark-bd);
  --shadow:var(--shadow-soft);
  --card-bg:rgba(16,19,31,0.42);
  color-scheme:dark;
}
[data-theme="light"]{
  --text:var(--ink);
  --text-2:var(--ink-2);
  --text-3:var(--ink-3);
  --line:var(--line-l);
  --line-2:var(--line-l2);
  --glass:var(--glass-light);
  --glass-bd:var(--glass-light-bd);
  --shadow:var(--shadow-soft-l);
  --card-bg:var(--surface);
  color-scheme:light;
}
/* цвет текста резолвится на уровне тем-секции, а не body */
[data-theme]{ color:var(--text) }

/* ---------- Сброс / база ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0 }
html{
  overflow-x:clip;
  scroll-behavior:smooth;
  scrollbar-width:thin;
  scrollbar-color:rgba(122,128,148,0.45) transparent;
  -webkit-text-size-adjust:100%;
}
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto } }
body{
  overflow-x:clip;
  min-height:100vh;
  font:400 17px/1.65 var(--sans);
  color:var(--text,var(--text-d));
  background:var(--void);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (max-width:767px){ body{ font-size:16px } }

::selection{ background:rgba(255,122,69,0.28); color:inherit }

/* кастомный скроллбар (WebKit) */
::-webkit-scrollbar{ width:10px; height:10px }
::-webkit-scrollbar-track{ background:transparent }
::-webkit-scrollbar-thumb{
  background:rgba(122,128,148,0.4);
  border-radius:var(--r-pill);
  border:3px solid transparent;
  background-clip:padding-box;
}
::-webkit-scrollbar-thumb:hover{ background:rgba(122,128,148,0.65); background-clip:padding-box; border:3px solid transparent }

img,svg,canvas{ display:block; max-width:100% }
a{ color:inherit; text-decoration:none }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer }
input,textarea,select{ font:inherit; color:inherit }
ul,ol{ list-style:none }
[hidden]{ display:none !important }

:focus-visible{ outline:2px solid var(--ember); outline-offset:3px; border-radius:4px }
.btn:focus-visible,.nav-pill a:focus-visible{ border-radius:var(--r-pill) }

.visually-hidden{
  position:absolute; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); clip-path:inset(50%); white-space:nowrap;
}
.skip-link{
  position:fixed; top:12px; left:12px; z-index:200;
  padding:10px 20px; border-radius:var(--r-pill);
  background:var(--ember); color:#fff; font-weight:500;
  transform:translateY(-64px); transition:transform .3s var(--ease);
}
.skip-link:focus{ transform:none }

/* ---------- Фоновые слои: тьма + свет, кросс-фейд по opacity (GPU) ----------
   Никакой покадровой перекраски background-color: JS двигает только
   opacity светлого слоя — это чистый композитинг. */
.bg-fixed{
  position:fixed; inset:0;
  pointer-events:none;
}
.bg-dark{ z-index:-3; background:var(--void) }
.bg-light{
  z-index:-2;
  background:var(--paper);
  opacity:0;
  will-change:opacity;
}
body[data-page="research"] .bg-light,
body[data-page="about"] .bg-light{ opacity:1 }

#graphCanvas{
  position:fixed; inset:0; z-index:-1;
  width:100%; height:100%;
  pointer-events:none; /* клики всегда идут на контент */
}

/* ---------- Сетка ---------- */
.wrap{
  max-width:var(--content-max);
  margin-inline:auto;
  padding-inline:var(--pad-x);
}
.sec{
  position:relative;
  padding-block:var(--sec-pad);
  contain:layout paint;
}

/* при активном скролле снижаем стоимость стекла (возвращается на остановке) */
html.scrolling.lq .lg-glass{
  -webkit-backdrop-filter:blur(12px) saturate(1.2);
  backdrop-filter:blur(12px) saturate(1.2);
}
html.scrolling .demo-panel,
html.scrolling .card.glass{
  -webkit-backdrop-filter:none !important;
  backdrop-filter:none !important;
}

/* ---------- Типографика ---------- */
h1,h2,h3{ font-weight:400; hyphens:none; text-wrap:balance }
.h1{
  font-weight:500;
  font-size:clamp(44px,6.5vw,96px);
  line-height:1.02;
  letter-spacing:-0.02em;
}
/* узкие экраны: «который рассуждает.» не должен резаться (nbsp не переносится) */
@media (max-width:480px){
  .h1{ font-size:clamp(30px,8.6vw,44px) }
}
.h2{
  font-weight:600;
  font-size:clamp(30px,4vw,56px);
  line-height:1.05;
  letter-spacing:-0.015em;
}
.h3{
  font-weight:600;
  font-size:clamp(21px,2.2vw,30px);
  line-height:1.2;
}
.lead{
  font-size:clamp(17px,1.4vw,21px);
  line-height:1.55;
  color:var(--text-2);
  max-width:56ch;
}
.body-text{ max-width:64ch; color:var(--text-2) }

.eyebrow{
  font-family:var(--mono);
  font-weight:500;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--text-3);
  display:flex; align-items:center; gap:12px;
}
.eyebrow .idx{ color:var(--ember) }
.eyebrow::after{
  content:""; width:56px; height:1px; background:var(--line-2);
}
.mono{ font-family:var(--mono); font-variant-numeric:tabular-nums }

.sec-head{ display:grid; gap:26px; margin-bottom:clamp(44px,6vw,72px) }
.sec-head .h2{ max-width:22ch }

/* ---------- Стекло ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(20px) saturate(1.3);
  backdrop-filter:blur(20px) saturate(1.3);
  border:1px solid var(--glass-bd);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,0.14);
}
[data-theme="light"] .glass{
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,0.85);
}

/* ---------- Кнопки-пилюли ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:15px 30px;
  border-radius:var(--r-pill);
  font-weight:500; font-size:15px; line-height:1;
  white-space:nowrap;
  position:relative;
  transition:transform .45s var(--ease), box-shadow .45s var(--ease),
             background-color .45s var(--ease), border-color .45s var(--ease),
             color .45s var(--ease);
  will-change:transform;
}
.btn:active{ transform:scale(0.97); transition-duration:.15s }

.btn-primary{
  background:var(--ember);
  color:#fff;
  box-shadow:0 8px 24px rgba(232,95,42,0.28), inset 0 1px 0 rgba(255,255,255,0.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background:var(--ember-deep);
  box-shadow:0 16px 40px rgba(232,95,42,0.4), inset 0 1px 0 rgba(255,255,255,0.28);
}
.btn-primary:active{ transform:scale(0.97) }

.btn-ghost{
  border:1px solid var(--line-2);
  color:var(--text);
  background:transparent;
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--ember);
  color:var(--ember);
  background:var(--ember-soft);
  box-shadow:0 10px 30px rgba(6,7,16,0.12);
}
.btn-sm{ padding:11px 22px; font-size:14px }

/* ---------- Шапка: пилюля-навигация ---------- */
.site-head{
  position:fixed; top:18px; left:0; right:0; z-index:100;
  display:flex; justify-content:center;
  padding-inline:var(--pad-x);
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  display:flex; align-items:center; gap:34px;
  padding:10px 10px 10px 22px;
  border-radius:var(--r-pill);
  transition:background-color .6s var(--ease), border-color .6s var(--ease), box-shadow .6s var(--ease);
}
.brand{
  display:inline-flex; align-items:center; gap:10px;
  font-weight:600; font-size:17px; letter-spacing:0.04em;
  color:var(--text);
  transition:color .6s var(--ease);
}
.brand-glyph{ width:20px; height:20px; flex:none }
.nav-links{ display:flex; align-items:center; gap:26px }
.nav-links a{
  font-size:15px; font-weight:500;
  color:var(--text-2);
  padding:6px 2px;
  position:relative;
  transition:color .35s var(--ease);
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0;
  height:2px; border-radius:2px; background:var(--ember);
  transition:right .45s var(--ease);
}
.nav-links a:hover{ color:var(--text) }
.nav-links a:hover::after{ right:0 }
.nav-links a[aria-current="page"]{ color:var(--ember) }
.nav-links a[aria-current="page"]::after{ right:0 }

/* бургер — только мобила, СПРАВА */
.burger{
  display:none;
  width:44px; height:44px;
  margin-left:auto;
  border-radius:var(--r-pill);
  position:relative;
  flex:none;
}
.burger span{
  position:absolute; left:12px; right:12px; height:2px;
  border-radius:2px; background:var(--text);
  transition:transform .45s var(--ease), top .45s var(--ease), opacity .3s;
}
.burger span:nth-child(1){ top:17px }
.burger span:nth-child(2){ top:25px }
.burger[aria-expanded="true"] span:nth-child(1){ top:21px; transform:rotate(45deg) }
.burger[aria-expanded="true"] span:nth-child(2){ top:21px; transform:rotate(-45deg) }

@media (max-width:767px){
  .site-head{ top:12px }
  .nav-pill{
    width:100%;
    gap:0;
    justify-content:space-between;
    padding:8px 8px 8px 18px;
  }
  .nav-links,.nav-cta{ display:none }
  .burger{ display:block }
}

/* ---------- Мобильное меню ---------- */
.mobile-menu{
  position:fixed; inset:0; z-index:90;
  display:flex; flex-direction:column; justify-content:center;
  padding:var(--pad-x);
  background:rgba(6,7,16,0.82);
  -webkit-backdrop-filter:blur(28px) saturate(1.2);
  backdrop-filter:blur(28px) saturate(1.2);
  opacity:0; visibility:hidden;
  transition:opacity .5s var(--ease), visibility 0s linear .5s;
}
.mobile-menu.open{ opacity:1; visibility:visible; transition:opacity .5s var(--ease) }
.mobile-menu nav{ display:grid; gap:8px }
.mobile-menu a{
  font-size:clamp(32px,9vw,44px);
  font-weight:300; line-height:1.25;
  color:var(--text-d);
  padding:6px 0;
  transform:translateY(24px); opacity:0;
  transition:transform .6s var(--ease), opacity .6s var(--ease), color .3s;
}
.mobile-menu.open a{ transform:none; opacity:1 }
.mobile-menu a:nth-child(2){ transition-delay:60ms }
.mobile-menu a:nth-child(3){ transition-delay:120ms }
.mobile-menu a:hover,.mobile-menu a[aria-current="page"]{ color:var(--ember) }
.mobile-menu .mm-meta{
  margin-top:48px;
  font-family:var(--mono); font-size:12px; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--text-d3);
}
html.menu-locked, html.menu-locked body{ overflow:hidden }

/* ---------- Подвал ---------- */
.site-foot{
  position:relative;
  background:var(--surface);
  border-radius:var(--r-card) var(--r-card) 0 0;
  margin-top:0;
  color:var(--ink);
}
.site-foot .wrap{ padding-block:clamp(64px,9vh,110px) 36px }
.foot-cta{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between;
  gap:28px;
  padding-bottom:clamp(44px,6vw,72px);
  border-bottom:1px solid var(--line-l);
}
.foot-line{
  font-weight:500;
  font-size:clamp(28px,3.6vw,52px);
  line-height:1.08; letter-spacing:-0.015em;
  max-width:16ch;
}
.foot-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
  padding-block:clamp(40px,5vw,64px);
}
.foot-col h4{
  font-family:var(--mono); font-weight:500; font-size:12px;
  letter-spacing:0.14em; text-transform:uppercase;
  color:var(--ink-3);
  margin-bottom:18px;
}
.foot-brand-name{
  display:inline-flex; align-items:center; gap:10px;
  font-weight:600; font-size:18px; letter-spacing:0.04em;
}
.foot-brand p{ margin-top:12px; color:var(--ink-2); max-width:30ch }
.foot-col ul{ display:grid; gap:10px }
.foot-col a{ color:var(--ink-2); transition:color .3s var(--ease) }
.foot-col a:hover{ color:var(--ember) }
.foot-bottom{
  display:flex; flex-wrap:wrap; gap:12px 28px;
  align-items:center; justify-content:space-between;
  padding-top:28px;
  border-top:1px solid var(--line-l);
  color:var(--ink-3); font-size:14px;
}
.foot-bottom .mono{ font-size:12px; letter-spacing:0.12em; text-transform:uppercase }
@media (max-width:767px){
  .foot-grid{ grid-template-columns:1fr; gap:32px }
  .foot-cta{ flex-direction:column; align-items:flex-start }
}

/* ---------- HERO ---------- */
.hero{
  min-height:100svh;
  display:grid;
  align-items:center;
  padding-block:clamp(120px,16vh,180px) clamp(90px,12vh,140px);
}
/* width:100%: иначе grid-элемент с auto-маржинами получает shrink-to-fit
   и центрируется — левый край уезжает с общей вертикали */
.hero-inner{ width:100%; display:grid; gap:clamp(24px,3.4vh,38px); justify-items:start }
.hero .h1{
  max-width:12ch;
  text-shadow:0 2px 40px rgba(6,7,16,0.65);
}
.hero .lead{
  max-width:52ch;
  text-shadow:0 1px 24px rgba(6,7,16,0.75);
}
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-top:6px }
.btn-lg{ padding:17px 34px; font-size:16px }
/* вторичная кнопка hero — лёгкое стекло, чтобы читалась поверх графа */
.hero .btn-ghost{
  background:var(--glass-dark);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border-color:var(--glass-dark-bd);
  box-shadow:0 10px 30px rgba(6,7,16,0.3), inset 0 1px 0 rgba(255,255,255,0.14);
}
.hero .btn-ghost:hover{
  background:rgba(255,122,69,0.16);
  border-color:var(--ember);
}
.hero-micro{
  font-size:12px; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--text-d3);
}
.scroll-hint{
  position:absolute; left:50%; bottom:26px; transform:translateX(-50%);
  display:grid; justify-items:center; gap:10px;
  font-family:var(--mono); font-size:11px; letter-spacing:0.22em;
  text-transform:uppercase; color:var(--text-d3);
}
.scroll-hint::after{
  content:""; width:1px; height:44px;
  background:linear-gradient(to bottom, var(--text-d3), transparent);
  animation:hintDrop 2.4s var(--ease-soft) infinite;
}
@keyframes hintDrop{
  0%{ transform:scaleY(0); transform-origin:top }
  46%{ transform:scaleY(1); transform-origin:top }
  54%{ transform:scaleY(1); transform-origin:bottom }
  100%{ transform:scaleY(0); transform-origin:bottom }
}
@media (prefers-reduced-motion:reduce){ .scroll-hint::after{ animation:none } }
@media (max-width:767px){
  .hero{ padding-top:110px }
  .scroll-hint{ display:none }
}

/* ---------- Манифест ---------- */
.manifesto .wrap{ display:grid; gap:clamp(28px,4vh,44px); justify-items:start }
.manifesto-h{ max-width:16ch }
.manifesto-text{
  font-weight:300;
  font-size:clamp(20px,2.3vw,30px);
  line-height:1.5;
  letter-spacing:-0.01em;
  color:var(--text-2);
  max-width:36ch;
}
.key{
  font-style:normal;
  color:var(--text);
  white-space:nowrap;
  position:relative;
}
.key::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-0.1em;
  height:2px; border-radius:2px;
  background:var(--ember);
  transform:scaleX(0); transform-origin:left;
  transition:transform .9s var(--ease);
  transition-delay:calc(var(--wd,0ms) + 500ms);
}
html.js .is-in .key::after{ transform:scaleX(1) }
html.no-js .key::after, html.reduced .key::after{ transform:scaleX(1) }

/* словесный reveal */
html.js [data-words] .w{ display:inline-block; vertical-align:top }
html.js [data-words="mask"] .w{ overflow:clip }
html.js [data-words] .wi{
  display:inline-block;
  transition:transform .85s var(--ease), opacity .7s var(--ease), filter .7s var(--ease);
  transition-delay:var(--wd,0ms);
}
html.js [data-words="mask"] .wi{ transform:translateY(112%) }
html.js [data-words="fade"] .wi{ opacity:0; transform:translateY(0.3em); filter:blur(6px) }
html.js [data-words].is-in .wi{ transform:none; opacity:1; filter:none }

/* ---------- Возможности / SYSTEMS ---------- */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:clamp(18px,2vw,28px);
}
.card{
  position:relative;
  border-radius:var(--r-card);
  padding:clamp(28px,3vw,42px);
  display:grid; gap:16px; align-content:start;
  background:var(--card-bg);
  overflow:clip;
  transition:transform .55s var(--ease), box-shadow .55s var(--ease),
             background-color .55s var(--ease), border-color .55s var(--ease);
}
.card::before{
  content:"";
  position:absolute; top:0; left:28px; right:28px; height:2px;
  border-radius:2px;
  background:linear-gradient(90deg, transparent, var(--ember), transparent);
  transform:scaleX(0);
  transition:transform .6s var(--ease);
}
.card::after{
  content:"";
  position:absolute; inset:0;
  border-radius:inherit;
  background:radial-gradient(340px 160px at 50% -8%, var(--ember-soft), transparent 70%);
  opacity:0;
  transition:opacity .6s var(--ease);
  pointer-events:none;
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:0 32px 70px rgba(6,7,16,0.45), inset 0 1px 0 rgba(255,255,255,0.14);
}
[data-theme="light"] .card:hover{
  box-shadow:0 28px 60px rgba(13,14,19,0.12), inset 0 1px 0 rgba(255,255,255,0.85);
}
.card:hover::before{ transform:scaleX(1) }
.card:hover::after{ opacity:1 }
.card-icon{
  width:30px; height:30px;
  color:var(--ember);
  margin-bottom:6px;
}
.card p{ color:var(--text-2); max-width:44ch }
@media (max-width:767px){
  .cards-grid{ grid-template-columns:1fr }
}

/* ---------- Liquid Glass (Chromium; фолбэк — обычное стекло) ---------- */
.lq-defs{ position:absolute; width:0; height:0; overflow:hidden }
/* contain: layout+paint (не strict: size-containment схлопнул бы
   авторазмерную пилюлю) — изолируем перерисовку рефракции */
html.lq .lg-glass{
  -webkit-backdrop-filter:url(#lqGlass);
  backdrop-filter:url(#lqGlass);
  contain:layout paint;
}

/* specular-блик следует за курсором (JS пишет --sx/--sy/--so) */
.spec{ position:relative }
.spec::after{
  content:"";
  position:absolute; inset:0; border-radius:inherit;
  background:radial-gradient(150px circle at var(--sx,50%) var(--sy,50%),
    rgba(255,255,255,0.16), rgba(255,255,255,0.05) 45%, transparent 72%);
  opacity:var(--so,0);
  pointer-events:none;
}

/* ---------- Демо «рассуждение» ---------- */
.demo-panel{
  border-radius:var(--r-card);
  padding:clamp(22px,3vw,40px);
  display:grid;
  gap:clamp(20px,2.4vw,28px);
  max-width:1020px;
}
.demo-head{
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  font-size:12px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--text-3);
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.demo-live{ display:inline-flex; align-items:center; gap:8px }
.demo-live-dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--ember);
  box-shadow:0 0 10px var(--ember);
  animation:livePulse 2.2s var(--ease-soft) infinite;
}
@keyframes livePulse{ 0%,100%{ opacity:1 } 50%{ opacity:0.35 } }
@media (prefers-reduced-motion:reduce){ .demo-live-dot{ animation:none } }

.demo-prompts{ display:flex; flex-wrap:wrap; gap:10px }
.chip{
  border:1px solid var(--line-2);
  border-radius:var(--r-pill);
  padding:12px 20px;
  min-height:44px;
  font-size:14px; font-weight:500;
  color:var(--text-2);
  background:transparent;
  transition:transform .4s var(--ease), background-color .4s var(--ease),
             border-color .4s var(--ease), color .4s var(--ease), box-shadow .4s var(--ease);
}
.chip:hover{
  transform:translateY(-2px);
  color:var(--text);
  border-color:var(--ember);
  background:var(--ember-soft);
}
.chip:active{ transform:scale(0.97) }
.chip[aria-pressed="true"]{
  background:var(--ember); border-color:var(--ember); color:#fff;
  box-shadow:0 8px 24px rgba(232,95,42,0.3);
}

.demo-screen{ min-height:300px; display:grid; align-content:start }
.demo-placeholder{ color:var(--text-3); max-width:44ch }
.demo-run{ display:grid; gap:22px }
.demo-label{
  display:block;
  font-size:11px; letter-spacing:0.18em; text-transform:uppercase;
  color:var(--ember);
  margin-bottom:8px;
}
.demo-user-text{ font-weight:500; color:var(--text) }
.demo-steps{ display:grid; gap:12px }
.demo-steps li{
  display:flex; align-items:baseline; gap:14px;
  font-size:13px; color:var(--text-2);
  opacity:0; transform:translateY(10px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
}
.demo-steps li.on{ opacity:1; transform:none }
.step-idx{ color:var(--text-3); flex:none }
.step-state{ flex:none; color:var(--ember); min-width:16px }
.step-state.thinking{ animation:livePulse 0.9s linear infinite }
@media (prefers-reduced-motion:reduce){ .step-state.thinking{ animation:none } }
.demo-answer-text{
  color:var(--text);
  font-size:17px; line-height:1.6; max-width:56ch;
}
.demo-caret{
  display:inline-block;
  width:8px; height:1.1em;
  margin-left:2px;
  vertical-align:text-bottom;
  background:var(--ember);
  border-radius:2px;
  animation:caretBlink 0.85s steps(1) infinite;
}
.demo-caret.off{ display:none }
@keyframes caretBlink{ 0%,55%{ opacity:1 } 56%,100%{ opacity:0 } }
.demo-foot{ min-height:40px }
@media (max-width:767px){
  .demo-screen{ min-height:340px }
  .chip{ width:100%; justify-content:flex-start; text-align:left }
  .demo-prompts{ flex-direction:column }
}

/* ---------- Бенчмарки / дата-виз (светлая зона) ---------- */
.tile{
  background:var(--surface);
  border:1px solid var(--line-l);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-soft-l);
}
.bench .wrap{ display:grid; gap:clamp(22px,2.6vw,32px) }
.bench .sec-head{ margin-bottom:clamp(18px,2vw,28px) }

.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(14px,1.8vw,24px);
}
.stat{
  padding:clamp(22px,2.4vw,34px);
  display:grid; gap:8px; align-content:start;
}
.stat-num{
  font-weight:500;
  font-size:clamp(38px,4.4vw,62px);
  line-height:1;
  letter-spacing:-0.02em;
  color:var(--ink);
}
.stat-label{ color:var(--ink-3); font-size:14px }

.bench-card,.curve-card{ padding:clamp(24px,3vw,44px) }
.bench-card-head{
  display:flex; flex-wrap:wrap; gap:14px 28px;
  align-items:baseline; justify-content:space-between;
  margin-bottom:clamp(26px,3vw,40px);
}
.bench-legend{ display:flex; gap:22px; font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-3) }
.bench-legend li{ display:inline-flex; align-items:center; gap:8px }
.dot{ width:9px; height:9px; border-radius:50% }
.dot-axon{ background:var(--ember) }
.dot-base{ background:#565A66 }
.dot-open{ background:#B9BEC9 }

.bench-tasks{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(26px,3.4vw,52px);
}
.bench-task{ display:grid; gap:16px; align-content:start }
.bench-task-name{
  font-size:12px; font-weight:500;
  letter-spacing:0.14em; text-transform:uppercase;
  color:var(--ink-3);
  margin-bottom:6px;
}
.bench-row{
  display:grid;
  grid-template-columns:1fr 56px;
  grid-template-areas:"model val" "track track";
  align-items:center;
  gap:7px 10px;
}
.bench-model{ grid-area:model; font-size:13px; color:var(--ink-2) }
.bench-row.is-axon .bench-model{ color:var(--ink); font-weight:500 }
.bench-val{ grid-area:val; text-align:right; font-weight:500; font-size:14px; color:var(--ink-2) }
.bench-row.is-axon .bench-val{ color:var(--ember-deep); font-size:15px }
.bench-track{
  grid-area:track;
  height:10px;
  border-radius:var(--r-pill);
  background:var(--line-l);
  overflow:hidden;
}
.bench-fill{
  display:block; height:100%;
  width:0;
  border-radius:var(--r-pill);
  transition:width 1.15s var(--ease);
  transition-delay:var(--bd,0ms);
}
.bench-row.is-axon .bench-fill{ background:linear-gradient(90deg, var(--ember-deep), var(--ember)) }
.bench-row.is-base .bench-fill{ background:#6A6F7B }
.bench-row.is-open .bench-fill{ background:#C3C8D2 }
/* заполнение стартует, когда карточка попала в вид (reveal .is-in на карточке) */
.bench-card.is-in .bench-fill, html.no-js .bench-fill{ width:var(--val) }

.curve-wrap{ width:100% }
.curve-svg{ width:100%; height:auto; display:block }
.curve-caption{ font-size:11px; letter-spacing:0.12em; text-transform:uppercase; color:var(--ink-3) }
.curve-grid line{ stroke:var(--line-l); stroke-width:1 }
.curve-line{
  stroke-dasharray:1400;
  stroke-dashoffset:1400;
  transition:stroke-dashoffset 1.7s var(--ease-soft) 0.25s;
}
.curve-area{
  opacity:0;
  transition:opacity 1s var(--ease) 0.9s;
}
.curve-card.is-in .curve-line{ stroke-dashoffset:0 }
.curve-card.is-in .curve-area{ opacity:1 }
.curve-pt{ opacity:0; transition:opacity .7s var(--ease) var(--pd,0.6s) }
.curve-card.is-in .curve-pt{ opacity:1 }
.pt-outer{ fill:rgba(255,122,69,0.18) }
.pt-inner{ fill:var(--ember) }
.pt-ver{ font:500 13px var(--mono); fill:var(--ink-3); letter-spacing:0.08em }
.pt-val{ font:500 16px var(--mono); fill:var(--ink) }

.bench-note{ font-size:12px; letter-spacing:0.08em; color:var(--ink-3) }

@media (prefers-reduced-motion:reduce){
  .bench-fill{ width:var(--val) !important; transition:none !important }
  .curve-line{ stroke-dashoffset:0 !important; transition:none !important }
  .curve-area,.curve-pt{ opacity:1 !important; transition:none !important }
}
@media (max-width:1023px){
  .stats-grid{ grid-template-columns:repeat(2,1fr) }
  .bench-tasks{ grid-template-columns:1fr }
}
@media (max-width:479px){
  .stats-grid{ grid-template-columns:1fr 1fr }
  .stat-num{ font-size:clamp(30px,8.6vw,38px) }
}

/* ---------- Research-тизер ---------- */
.sec-head-row{
  display:flex; align-items:flex-end; justify-content:space-between;
  flex-wrap:wrap; gap:24px;
}
.sec-head-col{ display:grid; gap:26px }
.papers-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(16px,2vw,26px);
}
.paper-card{
  position:relative;
  padding:clamp(24px,2.6vw,36px);
  display:grid; gap:18px; align-content:start;
  overflow:clip;
  transition:transform .55s var(--ease), box-shadow .55s var(--ease);
}
.paper-card::before{
  content:"";
  position:absolute; top:0; left:28px; right:28px; height:2px;
  border-radius:2px;
  background:linear-gradient(90deg, transparent, var(--ember), transparent);
  transform:scaleX(0);
  transition:transform .6s var(--ease);
}
.paper-card:hover{
  transform:translateY(-6px);
  box-shadow:0 28px 60px rgba(13,14,19,0.12);
}
.paper-card:hover::before{ transform:scaleX(1) }
.paper-meta{ display:flex; align-items:center; justify-content:space-between; gap:14px }
.tag{
  display:inline-flex; align-items:center;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--ember-soft);
  color:var(--ember-deep);
  font-family:var(--mono); font-size:11px; font-weight:500;
  letter-spacing:0.1em; text-transform:uppercase;
}
.paper-date{ font-size:12px; color:var(--ink-3); letter-spacing:0.08em }
.paper-card .h3{ font-size:clamp(19px,1.6vw,23px); line-height:1.3; transition:color .35s var(--ease) }
.paper-card:hover .h3{ color:var(--ember-deep) }
.paper-more{
  font-size:12px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--ink-3);
  transition:color .35s var(--ease), transform .45s var(--ease);
}
.paper-card:hover .paper-more{ color:var(--ember); transform:translateX(4px) }
@media (max-width:1023px){ .papers-grid{ grid-template-columns:1fr } }

/* ---------- About-тизер ---------- */
.about-teaser-grid{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:clamp(32px,5vw,72px);
  align-items:start;
}
.about-teaser-body{ display:grid; gap:28px; justify-items:start; padding-top:10px }
@media (max-width:1023px){ .about-teaser-grid{ grid-template-columns:1fr } }

/* ---------- Доступ / форма-пустышка ---------- */
.access-grid{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:clamp(32px,5vw,72px);
  align-items:start;
}
.access-intro{ display:grid; gap:26px; justify-items:start }
.access-panel{
  border-radius:var(--r-card);
  padding:clamp(24px,3vw,44px);
}
.access-form{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
}
.field{ display:grid; gap:8px; align-content:start }
.field-wide{ grid-column:1 / -1 }
.field label{
  font-size:13px; font-weight:500;
  color:var(--text-2);
}
.field .opt{ color:var(--text-3); font-weight:400 }
.field input,.field textarea{
  width:100%;
  padding:14px 18px;
  border-radius:var(--r-md);
  border:1px solid var(--line-2);
  background:var(--surface-2);
  color:var(--ink);
  transition:border-color .35s var(--ease), box-shadow .35s var(--ease), background-color .35s var(--ease);
}
.field textarea{ resize:none; min-height:110px }
.field input:hover,.field textarea:hover{ border-color:var(--line-2) }
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--ember);
  box-shadow:0 0 0 3px var(--ember-soft);
  background:var(--surface);
}
.field-err{
  display:none;
  font-size:11px; letter-spacing:0.06em;
  color:var(--ember-deep);
}
.field.invalid input{ border-color:var(--ember-deep); box-shadow:0 0 0 3px var(--ember-soft) }
.field.invalid .field-err{ display:block }
.access-actions{ margin-top:6px }
.form-success{
  display:grid; gap:20px; justify-items:start;
  min-height:280px; align-content:center;
}
.form-success svg{ width:48px; height:48px }
.form-success:focus{ outline:none }
.form-note{
  margin-top:22px;
  font-size:11px; letter-spacing:0.06em;
  color:var(--ink-3);
}
@media (max-width:1023px){
  .access-grid{ grid-template-columns:1fr }
}
@media (max-width:767px){
  .access-form{ grid-template-columns:1fr }
}

/* ---------- Подстраницы: hero-лайт ---------- */
.subhero{
  padding-block:clamp(150px,22vh,230px) clamp(30px,5vh,60px);
  position:relative;
}
.subhero::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(640px 360px at 18% 0%, rgba(255,122,69,0.07), transparent 70%),
    radial-gradient(520px 300px at 85% 20%, rgba(13,14,19,0.04), transparent 70%);
  pointer-events:none;
}
.subhero .wrap{ display:grid; gap:clamp(22px,3vh,34px); justify-items:start; position:relative }

/* ---------- Research: список материалов ---------- */
.papers-toolbar{
  display:flex; align-items:center; justify-content:space-between;
  gap:20px; flex-wrap:wrap;
  margin-bottom:clamp(22px,3vw,34px);
  /* поверх строк-карточек, иначе выпадающий список уходит под них */
  position:relative; z-index:70;
}
.papers-count{ font-size:12px; letter-spacing:0.12em; text-transform:uppercase; color:var(--ink-3) }
.papers-list{ display:grid; gap:clamp(12px,1.6vw,18px) }
.paper-row{
  position:relative;
  display:grid;
  grid-template-columns:170px 1fr auto;
  gap:clamp(18px,2.6vw,40px);
  align-items:center;
  padding:clamp(22px,2.6vw,34px) clamp(22px,2.8vw,40px);
  overflow:clip;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease);
}
.paper-row::before{
  content:"";
  position:absolute; top:0; left:28px; right:28px; height:2px;
  border-radius:2px;
  background:linear-gradient(90deg, transparent, var(--ember), transparent);
  transform:scaleX(0);
  transition:transform .6s var(--ease);
}
.paper-row:hover{ transform:translateY(-4px); box-shadow:0 22px 50px rgba(13,14,19,0.1) }
.paper-row:hover::before{ transform:scaleX(1) }
.paper-row{ cursor:pointer }
.paper-row-meta{ display:grid; gap:10px; justify-items:start; align-self:start }
.paper-row-body{ display:grid; gap:8px }
.paper-row-body .h3{ font-size:clamp(19px,1.7vw,24px); line-height:1.3 }
.paper-toggle{
  text-align:left;
  font:inherit; color:inherit;
  padding:0;
  transition:color .35s var(--ease);
}
.paper-toggle:focus-visible{ outline:2px solid var(--ember); outline-offset:4px; border-radius:6px }
.paper-row:hover .paper-toggle{ color:var(--ember-deep) }
.paper-row-body > p{ color:var(--ink-2); max-width:62ch }

/* раскрытие аннотации на месте (grid-rows: 0fr -> 1fr) */
.paper-expand{
  display:grid;
  grid-template-rows:0fr;
  opacity:0;
  transition:grid-template-rows .55s var(--ease), opacity .45s var(--ease);
}
.paper-expand-inner{ overflow:hidden }
.paper-expand-inner p{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line-l);
  color:var(--ink-2);
  max-width:66ch;
}
.paper-row.open .paper-expand{ grid-template-rows:1fr; opacity:1 }

/* стрелка-шеврон: «раскрыть», поворачивается вверх */
.paper-arrow{
  width:36px; height:36px; flex:none;
  border-radius:50%;
  border:1px solid var(--line-l2);
  display:grid; place-items:center;
  color:var(--ink-3);
  align-self:start;
  transition:transform .5s var(--ease), color .35s var(--ease),
             border-color .35s var(--ease), background-color .35s var(--ease);
}
.paper-row:hover .paper-arrow{ color:var(--ember); border-color:var(--ember) }
.paper-row.open .paper-arrow{
  transform:rotate(180deg);
  color:#fff;
  background:var(--ember);
  border-color:var(--ember);
}
@media (prefers-reduced-motion:reduce){
  .paper-expand,.paper-arrow,.paper-toggle{ transition:none !important }
}
@media (max-width:767px){
  .paper-row{ grid-template-columns:1fr; gap:14px }
  .paper-row-meta{ grid-auto-flow:column; align-items:center; gap:14px }
  .paper-arrow{ position:absolute; top:20px; right:20px; width:32px; height:32px }
}

/* ---------- Кастомный дропдаун ---------- */
.cselect{ position:relative; min-width:220px }
.cselect-btn{
  display:flex; align-items:center; justify-content:space-between; gap:14px;
  width:100%;
  padding:12px 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-2);
  background:var(--surface);
  font-size:14px; font-weight:500;
  color:var(--text);
  transition:border-color .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
}
.cselect-btn:hover{ border-color:var(--ember); transform:translateY(-1px) }
.cselect-btn svg{ transition:transform .35s var(--ease); color:var(--text-3) }
.cselect.open .cselect-btn{ border-color:var(--ember); box-shadow:0 0 0 3px var(--ember-soft) }
.cselect.open .cselect-btn svg{ transform:rotate(180deg) }
.cselect-list{
  position:absolute; top:calc(100% + 8px); right:0; z-index:60;
  min-width:100%;
  padding:8px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line-l);
  box-shadow:0 24px 60px rgba(13,14,19,0.14);
  opacity:0; visibility:hidden;
  transform:translateY(-8px) scale(0.98);
  transform-origin:top right;
  transition:opacity .35s var(--ease), transform .35s var(--ease), visibility 0s linear .35s;
}
.cselect.open .cselect-list{
  opacity:1; visibility:visible; transform:none;
  transition:opacity .35s var(--ease), transform .35s var(--ease);
}
.cselect-list li{
  padding:10px 14px;
  border-radius:12px;
  font-size:14px;
  color:var(--text-2);
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .25s var(--ease), color .25s var(--ease);
}
.cselect-list li:hover,.cselect-list li:focus-visible{ background:var(--ember-soft); color:var(--ink); outline:none }
.cselect-list li[aria-selected="true"]{ color:var(--ember-deep); font-weight:500 }

/* ---------- About: миссия, ценности ---------- */
.mission-sec .wrap{ display:grid; gap:clamp(36px,5vw,64px) }
.mission{
  font-weight:500;
  font-size:clamp(28px,3.6vw,52px);
  line-height:1.18;
  letter-spacing:-0.015em;
  max-width:24ch;
}
.mission-text{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(24px,4vw,56px);
}
@media (max-width:767px){ .mission-text{ grid-template-columns:1fr } }
.value-card{
  padding:clamp(26px,2.8vw,38px);
  display:grid; gap:12px; align-content:start;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease);
}
.value-card:hover{ transform:translateY(-5px); box-shadow:0 24px 55px rgba(13,14,19,0.1) }
.value-card p{ color:var(--ink-2) }

/* ---------- CTA-band (подстраницы) ---------- */
.cta-band{
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:28px;
  padding:clamp(32px,4.5vw,60px);
}
.cta-band-text{ display:grid; gap:20px }

/* ---------- Переходы между страницами (View Transitions, кроссдокумент) ---------- */
@view-transition{ navigation:auto }
::view-transition-old(root){ animation-duration:0.35s }
::view-transition-new(root){ animation-duration:0.35s }
@media (prefers-reduced-motion:reduce){
  @view-transition{ navigation:none }
}

/* ---------- Reveal (JS вешает .is-in) ---------- */
html.js [data-reveal]{
  opacity:0;
  transition:opacity .9s var(--ease), transform .9s var(--ease),
             filter .9s var(--ease), clip-path 1s var(--ease);
  transition-delay:var(--rd,0ms);
  will-change:transform,opacity;
}
html.js [data-reveal="up"]{ transform:translateY(30px); filter:blur(10px) }
html.js [data-reveal="scale"]{ transform:scale(0.94) translateY(16px) }
html.js [data-reveal="clip"]{
  clip-path:inset(8% 5% 14% 5% round var(--r-card));
  transform:translateY(20px);
}
html.js [data-reveal].is-in{
  opacity:1; transform:none; filter:none;
  will-change:auto; /* не держим десятки composited-слоёв после reveal */
}
html.js [data-reveal="clip"].is-in{ clip-path:inset(0 0 0 0 round var(--r-card)) }
/* словесный reveal: контейнер видим сразу, анимируются слова внутри */
html.js [data-reveal="words"]{ opacity:1; transform:none; filter:none; transition:none }

@media (prefers-reduced-motion:reduce){
  html.js [data-reveal]{
    opacity:1 !important; transform:none !important;
    filter:none !important; clip-path:none !important;
    transition:none !important;
  }
  html.js [data-words] .wi{
    transform:none !important; opacity:1 !important;
    filter:none !important; transition:none !important;
  }
  .key::after{ transform:scaleX(1) !important; transition:none !important }
  .btn,.nav-links a,.mobile-menu,.mobile-menu a{ transition:none !important }
}

/* ── Атрибуция студии Coreform ─────────────────────────────── */
.madeby{
  display:flex; align-items:center; justify-content:center; flex-wrap:wrap;
  gap:8px 16px;
  margin-top:22px;
  font-size:12.5px; color:var(--ink-3);
}
.madeby a{ text-decoration:none; }
.madeby .madeby-brand{
  display:inline-flex; align-items:center; gap:10px;
  color:inherit;
  transition:color .35s var(--ease);
}
.madeby .madeby-logo{
  width:30px; height:30px;
  border-radius:50%;
  object-fit:cover;
  border:1px solid var(--line-l2);
  transition:transform .45s var(--ease), border-color .35s var(--ease);
}
.madeby .madeby-brand:hover{ color:var(--ember-deep); }
.madeby .madeby-brand:hover .madeby-logo{
  border-color:var(--ember);
  transform:translateY(-2px);
}
.madeby .madeby-url{
  color:inherit;
  transition:color .35s var(--ease);
}
.madeby .madeby-url:hover{
  color:var(--ember-deep);
  text-decoration:underline;
  text-underline-offset:3px;
}