/* ============================================================
   Y83 — дизайн-токены
   ============================================================ */
:root{
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --bg:#07080a;
  --bg-2:#0b0d0f;
  --surface:#101316;
  --surface-2:#151a1d;
  --fg:#f2f4f0;
  --muted:#8b9086;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --accent:#c6ff3d;
  --accent-text:#c6ff3d;
  --accent-soft:rgba(198,255,61,.16);
  --on-accent:#07080a;
  /* смысловые цвета: оранжевый — машина, мятный — человек. Не декор, а смысл. */
  --agent:#ff5a2b;
  --human:#7be0b0;
  --header-bg:rgba(7,8,10,.72);
  --header-h:70px;
  --grain-opacity:.05;
  --shadow:0 24px 70px rgba(0,0,0,.55);

  --radius:4px;
  --ease:cubic-bezier(.2,.7,.2,1);
}[data-theme="light"]{
  --bg:#f2f4ec;
  --bg-2:#e8ebe0;
  --surface:#ffffff;
  --surface-2:#f7f9f1;
  --fg:#0c0e0b;
  --muted:#5d6357;
  --line:rgba(12,14,11,.12);
  --line-2:rgba(12,14,11,.22);
  --accent:#c6ff3d;
  --accent-text:#4f8000;
  --accent-soft:rgba(108,174,0,.16);
  --on-accent:#0c0e0b;
  --agent:#b03410;
  --human:#0f6349;
  --header-bg:rgba(242,244,236,.76);
  --grain-opacity:.035;
  --shadow:0 20px 50px rgba(20,24,14,.14);
}

/* ============================================================
   База
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}html,body{margin:0}body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
  -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}h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}ul,ol{padding:0;list-style:none}::selection{background:var(--accent);color:var(--on-accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ============================================================
   Утилиты
   ============================================================ */
.wrap{width:min(1280px,100% - 2.5rem);margin-inline:auto}.mono{
  font-family:var(--mono);
  font-size:.68rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  line-height:1.4;
}.muted{color:var(--muted)}.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);margin-bottom:1.4rem;
}.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 14px var(--accent);flex:none;
}.skip{
  position:absolute;left:-9999px;top:1rem;z-index:200;
  background:var(--accent);color:var(--on-accent);padding:.6rem 1rem;border-radius:999px;
}.skip:focus{left:1rem}

/* ============================================================
   Появление блоков при скролле
   ============================================================ */
html.js-ready [data-reveal]{opacity:0;transform:translateY(26px)}html.js-ready [data-reveal].is-in{
  opacity:1;transform:none;
  transition:opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay:calc(var(--i,0) * 70ms);
}

/* ============================================================
   Зерно, направляющие, свечение за курсором
   ============================================================ */
.grain{
  position:fixed;inset:-50%;z-index:90;pointer-events:none;
  opacity:var(--grain-opacity);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 5s steps(6) infinite;
  mix-blend-mode:overlay;
}@keyframes grain{
  0%{transform:translate(0,0)}
  20%{transform:translate(-6%,3%)}
  40%{transform:translate(4%,-5%)}
  60%{transform:translate(-3%,-3%)}
  80%{transform:translate(5%,4%)}
  100%{transform:translate(0,0)}
}.glow{
  position:fixed;top:0;left:0;width:52vw;height:52vw;max-width:760px;max-height:760px;
  margin:-26vw 0 0 -26vw;z-index:0;pointer-events:none;opacity:.5;
  background:radial-gradient(circle at center, var(--accent-soft), transparent 62%);
  filter:blur(20px);
}.guides{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  width:min(1280px,100% - 2.5rem);margin-inline:auto;
  background-image:repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px calc(100% / 12));
  -webkit-mask-image:linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
  mask-image:linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
}@media (max-width:900px){.guides{display:none}}

/* ============================================================
   Курсор
   ============================================================ */
.cursor{
  position:fixed;top:0;left:0;z-index:120;pointer-events:none;
  mix-blend-mode:difference;display:none;
}html.has-fine-pointer .cursor{display:block}.cursor-dot,.cursor-ring{position:absolute;border-radius:50%;transform:translate(-50%,-50%)}.cursor-dot{width:6px;height:6px;background:#fff}.cursor-ring{
  width:38px;height:38px;border:1px solid rgba(255,255,255,.55);
  transition:width .25s var(--ease), height .25s var(--ease), border-color .25s var(--ease), opacity .25s var(--ease);
}.cursor.is-hover .cursor-ring{width:64px;height:64px;border-color:#fff}.cursor.is-text .cursor-ring{width:8px;height:44px;border-radius:4px}

/* ============================================================
   Полоса прогресса
   ============================================================ */
.progress{position:fixed;top:calc(var(--header-h) - 2px);left:0;right:0;height:2px;z-index:110;background:transparent}.progress span{
  display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:0 50%;
  box-shadow:0 0 12px var(--accent);
}

/* ============================================================
   Хедер
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:var(--header-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .4s var(--ease), background .4s var(--ease);
}.site-header.is-stuck{border-bottom-color:var(--line)}.header-inner{display:flex;align-items:center;gap:2rem;height:var(--header-h)}.logo{display:flex;align-items:center;gap:.75rem;flex:none;min-width:44px;min-height:44px}.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--fg);color:var(--bg);
  display:grid;place-items:center;font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:-.02em;
}.nav{display:flex;gap:1.9rem;margin-left:auto}.nav a{display:flex;align-items:center;min-height:44px;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);position:relative;padding:.4rem 0}.nav a i{font-style:normal;color:var(--accent-text);opacity:.7;margin-right:.35rem}.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--accent);transition:right .35s var(--ease)}.nav a:hover{color:var(--fg)}.nav a:hover::after,.nav a.is-active::after{right:0}.nav a.is-active{color:var(--fg)}.header-actions{display:flex;align-items:center;gap:.6rem;flex:none}.theme-toggle{
  width:44px;height:44px;border:1px solid var(--line-2);border-radius:50%;
  display:grid;place-items:center;transition:border-color .3s var(--ease), background .3s var(--ease);
}.theme-toggle:hover{border-color:var(--accent);background:var(--accent-soft)}.theme-toggle svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6}[data-theme="dark"] .icon-sun{display:none}[data-theme="light"] .icon-moon{display:none}

/* кнопки */
.btn{
  display:inline-flex;align-items:center;gap:.7rem;
  padding:.95rem 1.5rem;border-radius:999px;font-size:.82rem;font-weight:600;
  letter-spacing:.01em;border:1px solid var(--line-2);
  transition:background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .2s var(--ease);
  will-change:transform;
}.btn:hover{border-color:var(--accent)}.btn-primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent);font-weight:700}.btn-primary:hover{box-shadow:0 0 0 6px var(--accent-soft)}.btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.7}.btn-sm{min-height:44px;padding:.62rem 1.1rem;font-size:.72rem}

/* ============================================================
   Мобильное меню
   ============================================================ */
.burger{display:none;position:relative;width:44px;height:44px;border:1px solid var(--line-2);border-radius:50%}.burger span{position:absolute;left:50%;top:50%;display:block;width:16px;height:1.5px;background:currentColor;transition:transform .3s var(--ease);transform:translate(-50%,-50%)}.burger span+span{margin-top:0;transform:translate(-50%,calc(-50% + 4px))}.site-header.is-open .burger span:first-child{transform:translate(-50%,-50%) rotate(45deg)}.site-header.is-open .burger span:last-child{transform:translate(-50%,-50%) rotate(-45deg)}.nav-cta{display:none}@media (max-width:900px){.nav .nav-cta{display:block;color:var(--accent-text)}.nav{
    position:fixed;inset:var(--header-h) 0 auto;flex-direction:column;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    padding:1rem 1.25rem 1.75rem;
    visibility:hidden;pointer-events:none;
    transform:translateY(-120%);transition:transform .45s var(--ease), visibility .45s var(--ease);
  }.nav a{padding:1rem 0;border-bottom:1px solid var(--line);font-size:.8rem}.site-header.is-open .nav{visibility:visible;pointer-events:auto;transform:none}.burger{display:block}.header-actions{margin-left:auto}.header-actions .btn{display:none}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;padding:6.5rem 0 3.5rem;overflow:hidden;isolation:isolate}html.has-fine-pointer body{cursor:none}html.has-fine-pointer a,html.has-fine-pointer button{cursor:none}html.rm body{cursor:auto}.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(120% 80% at 50% 0%, transparent 30%, var(--bg) 100%);
}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,5rem);align-items:center}.hero-tag{margin-bottom:1.1rem}.hero h1{
  font-size:clamp(2.4rem,5.5vw,4.8rem);
  line-height:.98;letter-spacing:-.035em;font-weight:800;text-wrap:balance;
}.hero h1 em{font-style:normal;color:var(--accent-text)}.hero h1 .word{display:inline-block;overflow:hidden;vertical-align:top}.hero h1 .word>span{display:inline-block;transform:translateY(105%)}.hero h1.is-ready .word>span{transform:none;transition:transform 1s var(--ease);transition-delay:calc(var(--w,0) * 55ms)}.hero-sub{margin-top:1.1rem;max-width:34rem;font-size:clamp(1rem,1.4vw,1.14rem);color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.5rem}@keyframes blink{50%{opacity:0}}@keyframes pulse{0%,100%{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}@media (max-width:1000px){.hero{padding-top:9rem}.hero-grid{grid-template-columns:1fr}
}@keyframes marquee{to{transform:translateX(-50%)}}

/* ============================================================
   Секции
   ============================================================ */
.section{padding-block:clamp(4.5rem,9vw,8.5rem);position:relative;z-index:1}.section + .section{border-top:1px solid var(--line)}.sec-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(1.5rem,4vw,4rem);align-items:end;margin-bottom:clamp(2.5rem,5vw,4.5rem)}.sec-head h2{font-size:clamp(1.9rem,4.6vw,3.6rem);line-height:1.02;letter-spacing:-.03em;font-weight:800;text-wrap:balance}.sec-head p{color:var(--muted);max-width:32rem}@media (max-width:860px){.sec-head{grid-template-columns:1fr;align-items:start}}

/* статистика */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg-2)}.stat{padding:clamp(1.4rem,3vw,2.3rem);border-left:1px solid var(--line);display:flex;flex-direction:column;gap:.5rem}.stat:first-child{border-left:0}.stat b{font-size:clamp(2rem,4.6vw,3.4rem);line-height:1;font-weight:800;letter-spacing:-.03em}.stat b span{color:var(--accent-text)}.stat p{font-size:.86rem;color:var(--fg)}.stat em{font-style:normal;color:var(--muted);font-size:.72rem}@media (max-width:860px){.stats{grid-template-columns:1fr 1fr}.stat:nth-child(odd){border-left:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}
}.case-link{display:inline-flex;align-items:center;min-height:44px;gap:.5rem;margin-top:1.6rem;font-size:.84rem;font-weight:600;color:var(--accent-text);border-bottom:1px solid transparent;transition:border-color .3s var(--ease)}.case-link:hover{border-color:currentColor}.phone-screen img{position:absolute;inset:0;z-index:2;width:100%;height:100%;object-fit:cover}

/* Кадр с настоящим снимком: пропорция 9/19.5 и нарисованные системные полосы.
   Снимок лежит между ними и не обрезается, поэтому закругление рамки режет
   пустую полосу, а не шапку приложения. Высоты полос — инсеты устройства
   (145 и 155 px из 2548), навигация трёхкнопочная, как на скриншотах. */
.phone-screen:has(img){--chrome-top:5.69%;--chrome-bottom:6.08%;aspect-ratio:9/19.5;background:var(--surface)}
.phone-screen:has(img)::before,.phone-screen:has(img)::after{display:none}
.phone-screen:has(img) img{position:absolute;left:0;top:var(--chrome-top);width:100%;height:calc(100% - var(--chrome-top) - var(--chrome-bottom));object-fit:contain;z-index:2}
.phone-chrome{position:absolute;left:0;right:0;z-index:3;display:flex;align-items:center;color:rgba(232,238,244,.72);fill:currentColor;font-family:var(--mono)}
.phone-chrome-top{top:0;height:var(--chrome-top);padding:0 5px 0 16px;justify-content:space-between}
.phone-chrome-bottom{bottom:0;height:var(--chrome-bottom);padding:0 28%;justify-content:space-between}
.pc-clock{font-size:9px;letter-spacing:.02em}
.pc-icons{display:flex;align-items:center;gap:3px}
.pc-icons svg{width:10px;height:10px}
.phone-chrome-bottom svg{width:10px;height:10px}

/* ============================================================
   FAQ
   ============================================================ */
.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line)}.faq summary{
  display:flex;align-items:center;gap:1.2rem;padding:1.5rem 0;cursor:pointer;
  font-size:clamp(1rem,1.6vw,1.18rem);font-weight:600;list-style:none;
}.faq summary::-webkit-details-marker{display:none}.faq summary::after{
  content:"+";margin-left:auto;font-family:var(--mono);color:var(--accent-text);font-size:1.3rem;
  transition:transform .35s var(--ease);flex:none;
}.faq details[open] summary::after{transform:rotate(45deg)}.faq p{padding:0 0 1.7rem;max-width:44rem;color:var(--muted);font-size:.94rem}

/* ============================================================
   CTA и футер
   ============================================================ */
.cta{position:relative;overflow:hidden;padding-block:clamp(5rem,11vw,9rem);border-top:1px solid var(--line);text-align:center}.cta::before{content:"";position:absolute;left:50%;top:0;width:70vw;height:70vw;max-width:900px;max-height:900px;transform:translate(-50%,-40%);background:radial-gradient(circle,var(--accent-soft),transparent 62%);pointer-events:none}.cta h2{font-size:clamp(2.1rem,6.6vw,5.4rem);line-height:1;letter-spacing:-.04em;font-weight:800;text-wrap:balance;position:relative}.cta p{margin:1.6rem auto 0;max-width:36rem;color:var(--muted);position:relative}.cta-actions{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;margin-top:2.4rem;position:relative}.contact-rows{display:flex;flex-wrap:wrap;gap:1rem 2.4rem;justify-content:center;margin-top:3rem;position:relative}.contact-row{display:inline-flex;align-items:center;min-height:44px;gap:.7rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:var(--muted)}.contact-row a{display:inline-flex;align-items:center;min-height:44px;color:inherit;text-decoration:none;transition:color .3s var(--ease)}.contact-row a:hover{color:var(--fg)}.copy{background:transparent;font:inherit;letter-spacing:inherit;text-transform:inherit;color:var(--muted);cursor:pointer;border:1px solid var(--line-2);border-radius:999px;padding:.35rem .7rem;transition:border-color .3s var(--ease),color .3s var(--ease)}.copy:hover{border-color:var(--accent-text);color:var(--accent-text)}.copy.is-done{border-color:var(--accent);color:var(--accent-text)}.site-footer{border-top:1px solid var(--line);padding:3.5rem 0 2rem;position:relative;z-index:1}.footer-bottom{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;padding-top:1.6rem;border-top:1px solid var(--line);font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ============================================================
   no-JS
   ============================================================ */
.noscript{max-width:44rem;margin:6rem auto;padding:0 1.25rem;font-family:var(--mono);font-size:.8rem;line-height:1.8}.noscript a{border-bottom:1px solid var(--accent-text);color:var(--accent-text)}

/* ============================================================
   Уменьшенное движение
   ============================================================ */
html.rm .grain,html.rm .glow,html.rm .cursor{display:none}html.rm [data-reveal],html.rm.js-ready [data-reveal]{opacity:1;transform:none}html.rm *{animation-duration:.001ms!important;transition-duration:.001ms!important}html.rm .hero h1 .word>span{transform:none}

/* ============================================================
   Внутренние страницы: шапка страницы проекта, блоки, галерея экранов
   ============================================================ */
.page-hero{position:relative;padding:9rem 0 clamp(3rem,6vw,5rem);border-bottom:1px solid var(--line);overflow:hidden;isolation:isolate}.page-hero::before{content:"";position:absolute;left:50%;top:-30vw;width:80vw;height:80vw;max-width:1000px;max-height:1000px;transform:translateX(-50%);background:radial-gradient(circle,var(--accent-soft),transparent 62%);pointer-events:none;z-index:-1}.crumbs{display:flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:1.6rem;flex-wrap:wrap}.crumbs a{display:inline-flex;align-items:center;min-height:44px;transition:color .3s var(--ease)}.crumbs a:hover{color:var(--accent-text)}.crumbs i{font-style:normal;opacity:.5}.page-hero h1{font-size:clamp(2.1rem,5.6vw,4.6rem);line-height:1;letter-spacing:-.035em;font-weight:800;max-width:24ch;text-wrap:balance}.page-hero .page-lead{margin-top:1.5rem;max-width:46rem;color:var(--muted);font-size:clamp(1rem,1.25vw,1.12rem)}.pill{display:inline-flex;align-items:center;gap:.55rem;border:1px solid var(--line-2);border-radius:999px;padding:.4rem .85rem;font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:2.6rem}.fact{background:var(--bg-2);padding:1.2rem}.fact dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.fact dd{margin-top:.45rem;font-weight:700;font-size:1.02rem;letter-spacing:-.01em}.block{padding-block:clamp(3rem,7vw,6rem);border-top:1px solid var(--line)}.block-head{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);gap:clamp(1.5rem,4vw,4rem);align-items:end;margin-bottom:clamp(2rem,4vw,3.2rem)}.block-head h2{font-size:clamp(1.6rem,3.6vw,2.8rem);line-height:1.05;letter-spacing:-.03em;font-weight:800;text-wrap:balance}.block-head p{color:var(--muted)}@media (max-width:860px){.block-head{grid-template-columns:1fr;align-items:start}}.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(1.5rem,3vw,2.5rem)}.about-item h3 span{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-text);margin-bottom:.6rem}.about-item h3{font-size:1.06rem;margin-bottom:.6rem}.about-item p{color:var(--muted);font-size:.94rem}.feature-group{margin-top:clamp(1.8rem,4vw,3rem)}.feature-group > h3{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:400}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:1.1rem}.feature{background:var(--bg);padding:1.5rem;position:relative}.feature::after{content:"";position:absolute;inset:0;background:radial-gradient(80% 60% at 50% 0%,var(--accent-soft),transparent 70%);opacity:0;transition:opacity .45s var(--ease);pointer-events:none}.feature:hover::after{opacity:1}.feature h4{font-size:1.02rem;margin-bottom:.55rem;letter-spacing:-.01em}.feature p{color:var(--muted);font-size:.88rem}.feature ul{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.9rem}.feature li{font-family:var(--mono);font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:.25rem .55rem}

/* инженерные решения: симптом, причина, что сделано, чем подтверждается */

/* чего здесь нет: те же карточки, что у соседних блоков */

/* галерея экранов: горизонтальная лента с прокруткой */
.rail-hint{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}.rail{display:flex;gap:1.1rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 .2rem 1.4rem;scrollbar-color:var(--line-2) transparent}.rail::-webkit-scrollbar{height:6px}.rail::-webkit-scrollbar-track{background:transparent}.rail::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:99px}.phone{flex:none;width:224px;scroll-snap-align:start}.phone-screen{position:relative;aspect-ratio:9/19.5;border:1px solid var(--line-2);border-radius:26px;overflow:hidden;background:linear-gradient(160deg,var(--surface-2),var(--surface));box-shadow:var(--shadow)}.phone-screen::before{content:"";position:absolute;left:50%;top:11px;transform:translateX(-50%);width:58px;height:5px;border-radius:99px;background:var(--line-2);z-index:1}.phone-screen::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 50% at 60% 12%,var(--accent-soft),transparent 65%)}.phone-screen b{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);text-align:center;padding:0 .8rem;font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.phone-screen:has(img) b{display:none}.phone-name{margin-top:.85rem;font-size:.92rem;font-weight:600}.phone-caption{font-family:var(--mono);font-size:.58rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:.3rem}.phone.wide{width:344px}.phone.wide .phone-screen{aspect-ratio:16/10;border-radius:14px}.phone.wide .phone-screen::before{display:none}.screens-groups{margin-top:clamp(2rem,4vw,3rem)}.screens-count{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-text)}.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.flow-step{background:var(--bg);padding:1.5rem}.flow-step b{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;color:var(--accent-text)}.flow-step h3{margin:.9rem 0 .5rem;font-size:1rem}.flow-step p{color:var(--muted);font-size:.88rem}.roadmap{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.road{display:grid;grid-template-columns:auto minmax(0,.45fr) minmax(0,1fr);gap:1.2rem;align-items:start;background:var(--bg);padding:1.4rem}.road-status{width:10px;height:10px;border-radius:50%;background:var(--line-2);margin-top:.35rem}.road.is-done .road-status{background:var(--accent-text)}.road.is-active .road-status{background:var(--accent);box-shadow:0 0 12px var(--accent)}.road-period{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.road h3{font-size:1rem;margin-bottom:.35rem}.road p{color:var(--muted);font-size:.9rem}@media (max-width:640px){.road{grid-template-columns:auto minmax(0,1fr)}.road-period{grid-column:2}}.stack-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:clamp(1.2rem,3vw,2.4rem)}.stack-grid h3{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:400;margin-bottom:.9rem}.stack-grid ul{display:flex;flex-wrap:wrap;gap:.4rem}.stack-grid li{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line-2);border-radius:999px;padding:.32rem .65rem;color:var(--fg)}.next-project{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.2rem;border-top:1px solid var(--line);margin-top:clamp(2rem,5vw,3.5rem);padding-top:2rem}.next-project span{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.next-project a{min-height:44px;font-size:clamp(1.1rem,2vw,1.5rem);font-weight:700;letter-spacing:-.02em;display:inline-flex;align-items:center;gap:.6rem;transition:color .3s var(--ease)}.next-project a:hover{color:var(--accent-text)}

/* каталог проектов */
.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem}@media (max-width:900px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:620px){.catalog-grid{grid-template-columns:1fr}}.project-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.4rem,3vw,1.9rem);background:var(--bg-2);transition:border-color .35s var(--ease),transform .35s var(--ease)}.project-card:hover{border-color:var(--accent);transform:translateY(-3px)}.project-card .card-num{font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;color:var(--accent-text)}.project-card h3{margin:.9rem 0 .4rem;font-size:1.2rem;letter-spacing:-.02em}.project-card p{color:var(--muted);font-size:.9rem}.project-card .card-foot{margin-top:auto;padding-top:1.4rem;display:flex;flex-direction:column;align-items:flex-start;gap:.8rem}.project-card .case-link{margin-top:0;padding-top:0}.card-tech{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem;margin:0;padding:0}.card-tech li{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line-2);border-radius:999px;padding:.28rem .6rem;color:var(--muted);white-space:nowrap}@keyframes dg-run{to{stroke-dashoffset:-1226}}

/* Хаб инструментов. Таблица строк, а не сетка карточек: 31 строка должна
   читаться как реестр, а не как витрина. auto-fit гарантирует перенос
   2 → 1 колонку без ручных брейкпоинтов. */
.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:clamp(1.6rem,3vw,2.6rem)}.hub-group h3{display:flex;align-items:baseline;gap:.6rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-text);margin:0 0 1rem;font-weight:500}.hub-count{color:var(--muted);letter-spacing:0}.hub-rows{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}.hub-row{background:var(--bg-2);padding:.85rem 1rem;display:grid;grid-template-columns:minmax(9rem,.9fr) minmax(0,1.6fr);gap:.5rem 1.2rem;align-items:baseline}.hub-name{font-size:.95rem;font-weight:600;line-height:1.4;display:flex;align-items:baseline;gap:.5rem;flex-wrap:wrap}.hub-text{color:var(--muted);font-size:.9rem;line-height:1.5}.hub-anchor{font-family:var(--mono);font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--on-accent);background:var(--accent);padding:.12rem .4rem;border-radius:2px;white-space:nowrap}.block-note{margin:1.4rem 0 0;padding:.9rem 1.1rem;border:1px solid var(--line-2);border-radius:3px;font-family:var(--mono);font-size:.78rem;line-height:1.6;color:var(--muted)}@media (max-width:520px){.hub-row{grid-template-columns:1fr}}

/* ============================================================
   Каталог
   ============================================================ */
.cat-group{display:grid;gap:1.2rem;margin-bottom:clamp(2.4rem,5vw,4rem)}.cat-group h3{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:500;padding-bottom:.7rem;border-bottom:1px solid var(--line)}.card-proves{color:var(--muted);font-size:.85rem;line-height:1.5;border-left:1px solid var(--line-2);padding-left:.8rem;margin:.8rem 0 1rem}

/* ============================================================
   05 / Подпись
   ============================================================ */
.sign-eyebrow{margin-bottom:.6rem}.sign-mark{font-family:var(--mono);font-size:clamp(3.6rem,11vw,6.5rem);line-height:.9;letter-spacing:-.04em;font-weight:600;color:var(--fg);margin:0 0 clamp(1.5rem,4vw,2.5rem);opacity:.92}.sign-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1.5rem,4vw,3rem);padding-bottom:clamp(1.5rem,3vw,2rem);border-bottom:1px solid var(--line)}.sign-role{color:var(--muted);margin:0 0 1rem;font-size:.92rem}.sign-note{font-size:.86rem;line-height:1.6;color:var(--muted);max-width:30rem;margin:0}.sign-grid h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:500;margin:0 0 .8rem}.sign-list{list-style:none;margin:0;padding:0;display:grid;gap:0}.sign-list a{
  display:inline-flex;
  align-items:center;
  min-width:44px;
  min-height:44px;
  color:var(--fg);
  text-decoration:none;
  font-size:.88rem;
  border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease);
}.sign-list a:hover{border-color:var(--accent)}.sign-grid + .sign-note{margin-top:1.4rem}

/* ============================================================
   Адаптив
   ============================================================ */
@media (max-width:900px){.sign-grid{grid-template-columns:1fr 1fr}.sign-grid > :first-child{grid-column:1/-1}
}@media (max-width:620px){.sign-grid{grid-template-columns:1fr}
}

/* строка про рекурсию — ключевая, но не в ущерб читаемости */
.hero-note{color:var(--muted);margin-top:.7rem;font-size:.72rem;letter-spacing:.1em}

/* ============================================================
   Y83 Projects: вход в каталог и карточка флагмана
   ============================================================ */
.hero-index{
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  box-shadow:var(--shadow);
  overflow:hidden;
}.hero-index-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1rem 1.2rem;
  border-bottom:1px solid var(--line);
  font-family:var(--mono);
  font-size:.66rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
}.hero-index-head b{color:var(--accent-text);font-size:.9rem}.hero-index ol{list-style:none;margin:0;padding:.35rem 0}.hero-index li{
  display:grid;
  grid-template-columns:2.2rem minmax(0,1fr);
  gap:.1rem .8rem;
  align-items:baseline;
  padding:.72rem 1.2rem;
  border-bottom:1px solid var(--line);
}.hero-index li:last-child{border-bottom:0}.hero-index li span{
  grid-row:1 / span 2;
  font-family:var(--mono);
  font-size:.64rem;
  color:var(--accent-text);
}.hero-index li a{display:flex;align-items:center;min-height:44px;font-size:1rem;font-weight:650;letter-spacing:-.01em}.hero-index li a:hover{color:var(--accent-text)}.hero-index li small{
  color:var(--muted);
  font-family:var(--mono);
  font-size:.58rem;
  letter-spacing:.1em;
  text-transform:uppercase;
}.catalog-groups{display:grid;gap:clamp(2rem,5vw,3.5rem);margin-top:clamp(2rem,5vw,3.5rem)}.featured-project{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);
  gap:clamp(1.5rem,4vw,3rem);
  align-items:stretch;
  border:1px solid var(--accent);
  border-radius:var(--radius);
  background:linear-gradient(135deg,var(--accent-soft),transparent 55%),var(--bg-2);
  padding:clamp(1.5rem,4vw,3rem);
}.featured-copy{display:flex;flex-direction:column;align-items:flex-start}.featured-copy .eyebrow{margin-bottom:1rem}.featured-copy h3{font-size:clamp(2rem,5vw,4rem);line-height:.98;letter-spacing:-.04em;font-weight:800}.featured-lead{margin-top:1rem;max-width:48rem;color:var(--muted);font-size:clamp(1rem,1.3vw,1.12rem)}.featured-proof{
  margin-top:1.2rem;
  padding-left:1rem;
  border-left:2px solid var(--accent);
  color:var(--fg);
  font-size:.92rem;
}.featured-copy .card-tech{margin-top:1.5rem}.featured-copy .case-link{margin-top:auto;padding-top:1.2rem}.featured-facts{display:grid;align-content:start;gap:1px;background:var(--line);border:1px solid var(--line)}.featured-facts .fact{background:var(--bg)}@media (max-width:900px){.featured-project{grid-template-columns:1fr}.hero-index{order:2}
}@media (max-width:620px){.hero-index li{grid-template-columns:1.8rem minmax(0,1fr)}.featured-project{padding:1.25rem}
}

/* ============================================================
   Тач-устройства и узкие экраны
   Свечение и курсор — только для мыши: на телефоне палец уводил
   зелёное пятно в нижний угол экрана, и оно там оставалось.
   ============================================================ */
@media (hover:none),(pointer:coarse){.glow{display:none}.cursor{display:none}}
@media (max-width:620px){.cta::before{opacity:.5}}

/* ============================================================
   Разделы кейса: табы, списки пунктов, карточки инструментов
   ============================================================ */
.part-tabs{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:2rem}
.part-tab{display:inline-flex;align-items:center;min-height:44px;padding:.5rem 1rem;border:1px solid var(--line-2);border-radius:999px;font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);transition:border-color .3s var(--ease),color .3s var(--ease)}
.part-tab:hover{border-color:var(--accent-text);color:var(--fg)}
.part-tab.is-active{border-color:var(--accent);color:var(--accent-text)}
.part-tab-back{color:var(--fg)}
.part-points{display:grid;gap:.6rem;margin-top:1.4rem;max-width:60rem}
.part-points li{position:relative;padding-left:1.6rem;color:var(--muted);font-size:.92rem;line-height:1.55}
.part-points li::before{content:"—";position:absolute;left:0;color:var(--accent-text)}
.feature-more{display:inline-flex;align-items:center;min-height:44px;gap:.4rem;margin-left:.9rem;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);font-weight:400}
.tool-group-note{margin-top:.5rem;color:var(--muted);font-size:.88rem;max-width:52rem}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:1.1rem}
.tool-card{background:var(--bg);padding:1.4rem;display:flex;flex-direction:column;gap:.5rem}
.tool-card h4{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;font-size:1rem;letter-spacing:-.01em}
.tool-card p{color:var(--muted);font-size:.88rem;line-height:1.5}
.tool-shot{width:100%;margin-bottom:.4rem;border:1px solid var(--line-2);border-radius:3px}
.tool-replaces{color:var(--accent-text);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase}
.tool-status{background:var(--muted);color:var(--on-accent);border-radius:2px;padding:.12rem .4rem;font-family:var(--mono);font-size:.56rem;letter-spacing:.14em;text-transform:uppercase}
.tool-weight{margin-top:auto;padding-top:.6rem;color:var(--muted);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase}

/* ============================================================
   Справочник и страницы инструментов — собираются из человеческих
   доков (_sources), поэтому стили заданы для текста, а не для карточек.
   ============================================================ */
.doc-body{max-width:64rem;overflow-wrap:anywhere}
.doc-body h2,.doc-body h3,.doc-body h4,.doc-body h5{margin:1.5rem 0 .5rem;letter-spacing:-.01em;line-height:1.3}
.doc-body h2{font-size:1.2rem}
.doc-body h3{font-size:1.02rem}
.doc-body h4,.doc-body h5{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text)}
.doc-body p{margin:.6rem 0;color:var(--muted);font-size:.92rem;line-height:1.65}
.doc-body ul,.doc-body ol{margin:.6rem 0;padding-left:1.3rem;display:grid;gap:.4rem}
.doc-body li{color:var(--muted);font-size:.92rem;line-height:1.6}
.doc-body li ul{margin-top:.4rem}
.doc-body strong{color:var(--fg);font-weight:600}
.doc-body code{font-family:var(--mono);font-size:.82rem;background:var(--surface-2);border:1px solid var(--line);border-radius:2px;padding:.05rem .3rem;color:var(--fg)}
.doc-body a{color:var(--accent-text);border-bottom:1px solid var(--line-2)}
.doc-body blockquote{margin:.8rem 0;padding:.6rem 1rem;border-left:2px solid var(--accent);background:var(--bg-2);color:var(--muted);font-size:.88rem;line-height:1.6}
.doc-body hr{border:0;border-top:1px solid var(--line);margin:1.4rem 0}
.doc-code{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:.9rem 1rem;overflow-x:auto;margin:.8rem 0}
.doc-code code{background:none;border:0;padding:0;font-size:.8rem;line-height:1.6;color:var(--fg)}
.doc-table{overflow-x:auto;margin:.9rem 0;border:1px solid var(--line);border-radius:var(--radius)}
.doc-table table{border-collapse:collapse;width:100%;min-width:32rem}
.doc-table th,.doc-table td{text-align:left;padding:.5rem .7rem;border-bottom:1px solid var(--line);font-size:.84rem;line-height:1.5;vertical-align:top}
.doc-table th{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-text);background:var(--bg-2);white-space:nowrap}
.doc-table td{color:var(--muted)}
.doc-table tr:last-child td{border-bottom:0}
.tool-more{display:inline-flex;align-items:center;min-height:44px;align-self:flex-start;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text)}

.doc-card{background:var(--bg);padding:1.4rem;display:flex;flex-direction:column;gap:.5rem}
.doc-card h4{font-size:1rem;letter-spacing:-.01em;margin:0}
.doc-card p{color:var(--muted);font-size:.88rem;line-height:1.5;margin:0}
.doc-card-foot{margin-top:auto;padding-top:.6rem;color:var(--muted);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase}

/* ============================================================
   Журнал релизов: записи CHANGELOG.md как есть. Один релиз — одна
   карточка с якорем, чтобы на отдельную версию можно было дать ссылку.
   ============================================================ */
.releases{display:grid;gap:1.6rem}
.release{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.4rem,3vw,2rem);scroll-margin-top:6rem}
.release-head{display:flex;align-items:baseline;gap:.9rem;flex-wrap:wrap;padding-bottom:.9rem;border-bottom:1px solid var(--line-2)}
.release-head h2{font-family:var(--mono);font-size:1.2rem;letter-spacing:-.01em}
.release-meta{display:inline-flex;align-items:center;gap:.6rem;color:var(--muted);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase}
.release-kind{background:var(--accent);color:var(--on-accent);border-radius:2px;padding:.12rem .4rem;font-size:.56rem;letter-spacing:.14em;text-transform:uppercase}
.release .doc-body{margin-top:.6rem}