/* =====================================================================
   КЭТАЛИЗАТОР · design system v6
   Native CSS, без сборки. Тема одна: тёмная (фирменный #111).
   Breakpoints (для справки, в media-запросах переменные не работают):
   sm 480 · md 768 · lg 1024 · xl 1280 · 2xl 1536
   ===================================================================== */

@font-face{font-family:"Unbounded";src:url("assets/fonts/unbounded-cyr.woff2") format("woff2");font-weight:400 800;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Unbounded";src:url("assets/fonts/unbounded-lat.woff2") format("woff2");font-weight:400 800;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";src:url("assets/fonts/onest-cyr.woff2") format("woff2");font-weight:400 700;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Onest";src:url("assets/fonts/onest-lat.woff2") format("woff2");font-weight:400 700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  color-scheme:dark;

  /* color */
  --bg:#111111;
  --bg-deep:#0b0b0c;
  --bg-raise:#171717;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);
  --surface-3:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --text:#ffffff;
  --text-2:#c8c8c8;
  --text-3:#9c9c9c;
  --lime:#c7ff2f;
  --lime-ink:#0e1402;
  --lime-soft:rgba(199,255,47,.12);
  --blue:#4169ff;
  --blue-text:#8ea4ff;
  --blue-soft:rgba(65,105,255,.14);
  --grad:linear-gradient(100deg,var(--lime),var(--blue));

  /* type */
  --font-display:"Unbounded","Arial Black",system-ui,sans-serif;
  --font-body:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --fs-h1:clamp(34px,4.3vw + 16px,90px);
  --fs-h2:clamp(28px,2.6vw + 14px,58px);
  --fs-h3:clamp(19px,.6vw + 15px,24px);
  --fs-lead:clamp(17px,.35vw + 15px,20px);
  --fs-body:16px;

  /* space */
  --gutter:clamp(16px,4vw,40px);
  --container:1320px;
  --section:clamp(80px,8vw,124px);
  --gap:clamp(16px,2vw,28px);

  /* shape: кнопки и чипы pill, карточки 28, вложенные 18, мелочь 12 */
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;

  /* depth */
  --shadow-1:0 1px 0 rgba(255,255,255,.06) inset,0 20px 60px -30px rgba(0,0,0,.8);
  --shadow-2:0 1px 0 rgba(255,255,255,.08) inset,0 40px 120px -40px rgba(0,0,0,.9);
  --glow-lime:0 0 0 1px rgba(199,255,47,.35),0 18px 50px -18px rgba(199,255,47,.45);

  /* motion */
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --d-1:.18s;
  --d-2:.42s;
  --d-3:.8s;

  /* layers */
  --z-float:5;
  --z-header:50;
  --z-dock:55;
  --z-sheet:60;
  --z-grain:80;

  --header-h:64px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--text);font:400 var(--fs-body)/1.6 var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip}
img,svg,picture{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
::selection{background:var(--lime);color:var(--lime-ink)}
[hidden]{display:none!important}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:16px;top:-60px;z-index:100;background:var(--lime);color:var(--lime-ink);padding:12px 18px;border-radius:var(--r-pill);font-weight:700;transition:top var(--d-1)}
.skip-link:focus{top:12px}
.is-locked{overflow:hidden}

.container{width:min(100% - 2*var(--gutter),var(--container));margin-inline:auto}
.section{padding-block:var(--section);position:relative}
.lime{color:var(--lime)}
.blue{color:var(--blue-text)}

/* зерно: фиксированный слой, не репейнтится при скролле */
.grain{position:fixed;inset:0;pointer-events:none;z-index:var(--z-grain);opacity:.035;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- typography ---------- */
.h1,.h2,.h3{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;text-wrap:balance}
.h2{font-size:var(--fs-h2);line-height:1.08}
.h3{font-size:var(--fs-h3);line-height:1.25;letter-spacing:-.01em;font-weight:600}
.lead{font-size:var(--fs-lead);line-height:1.55;color:var(--text-2);max-width:60ch;text-wrap:pretty}
.body{color:var(--text-2);max-width:62ch;text-wrap:pretty}
.eyebrow{display:block;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--text-2)}
.eyebrow b{color:var(--lime);font-weight:600;margin-inline:.5em}
.section-head{display:grid;gap:18px;margin-bottom:clamp(40px,5vw,72px);max-width:900px}

/* ---------- buttons ---------- */
.btn{--bx:0px;--by:0px;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 26px;border-radius:var(--r-pill);font-weight:600;font-size:16px;line-height:1;white-space:nowrap;isolation:isolate;overflow:hidden;transform:translate3d(var(--bx),var(--by),0);transition:transform var(--d-2) var(--ease-out),background-color var(--d-1),border-color var(--d-1),box-shadow var(--d-2) var(--ease-out),color var(--d-1)}
.btn:active{transform:translate3d(var(--bx),var(--by),0) scale(.97)}
.btn .arrow{display:inline-block;transition:transform var(--d-2) var(--ease-spring)}
.btn:hover .arrow{transform:translateX(5px)}
.btn-primary{background:var(--lime);color:var(--lime-ink);box-shadow:0 10px 40px -14px rgba(199,255,47,.55)}
.btn-primary:hover{box-shadow:var(--glow-lime)}
/* световой блик по кнопке */
.btn-primary::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.65) 50%,transparent 65%);transform:translateX(-110%);transition:transform .9s var(--ease-out)}
.btn-primary:hover::after{transform:translateX(110%)}
.btn-ghost{background:var(--surface-2);border:1px solid var(--line-2);color:var(--text)}
.btn-ghost:hover{background:var(--surface-3);border-color:rgba(255,255,255,.3)}
.btn-lg{min-height:60px;padding:0 30px;font-size:17px}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px}
.btn-app{min-height:64px;padding:0 28px 0 12px;gap:14px;font-size:17px}
.btn-app img{width:40px;height:40px;border-radius:50%}
.btn-app.tg{background:#fff;color:#111}
.btn-app.tg:hover{box-shadow:0 0 0 1px rgba(255,255,255,.5),0 18px 50px -18px rgba(42,171,238,.7)}
.btn-app.max{background:var(--surface-2);border:1px solid var(--line-2)}
.btn-app.max:hover{background:var(--surface-3);box-shadow:0 18px 50px -18px rgba(120,80,255,.6)}
.link{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--text);font-weight:600;text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:6px;transition:text-decoration-color var(--d-1),color var(--d-1)}
.link:hover{text-decoration-color:var(--lime);color:var(--lime)}
.link .arrow{display:inline-block;transition:transform var(--d-2) var(--ease-spring)}
.link:hover .arrow{transform:translateX(4px)}

/* ---------- social icons ---------- */
.socials{display:flex;align-items:center;gap:6px}
.social{display:grid;place-items:center;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);transition:transform var(--d-2) var(--ease-spring),background-color var(--d-1),border-color var(--d-1)}
.social img{width:22px;height:22px;filter:grayscale(1) brightness(1.35);opacity:.85;transition:filter var(--d-2),opacity var(--d-2)}
.social:hover{transform:scale(1.1);border-color:var(--line-2);background:var(--surface-2)}
.social:hover img,.social:focus-visible img{filter:none;opacity:1}
.socials-lg .social{width:52px;height:52px}
.socials-lg .social img{width:28px;height:28px}

/* =====================================================================
   HEADER
   ===================================================================== */
.site-header{position:fixed;inset:12px 0 auto;z-index:var(--z-header);padding-inline:var(--gutter);pointer-events:none}
.header-bar{pointer-events:auto;max-width:1400px;margin-inline:auto;height:var(--header-h);display:flex;align-items:center;gap:16px;padding:0 10px 0 16px;border-radius:22px;border:1px solid transparent;background:rgba(17,17,17,.35);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);transition:background-color var(--d-2),border-color var(--d-2),box-shadow var(--d-2)}
.is-scrolled .header-bar{background:rgba(20,20,20,.8);border-color:var(--line);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 50px -20px rgba(0,0,0,.9)}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;min-height:44px}
.brand img{width:34px;height:33px;transition:transform var(--d-2) var(--ease-spring)}
.brand:hover img{transform:rotate(-8deg) scale(1.08)}
.brand-name{display:grid;line-height:1}
.brand-name strong{font:800 15px/1 var(--font-display);letter-spacing:.01em}
.brand-name small{font-size:11px;color:var(--text-3);margin-top:5px}
.nav{position:relative;display:flex;align-items:center;gap:2px;margin-inline:auto}
.nav a{position:relative;z-index:1;font-size:14px;font-weight:500;color:var(--text-2);padding:11px 14px;border-radius:var(--r-pill);transition:color var(--d-1)}
.nav a:hover{color:var(--text)}
.nav a.is-active{color:var(--lime)}
.nav-indicator{position:absolute;left:0;top:50%;height:38px;width:0;margin-top:-19px;border-radius:var(--r-pill);background:var(--lime-soft);box-shadow:inset 0 0 0 1px rgba(199,255,47,.22);opacity:0;transition:transform var(--d-2) var(--ease-out),width var(--d-2) var(--ease-out),opacity var(--d-1);pointer-events:none}
.header-actions{display:flex;align-items:center;gap:10px}
.header-actions .social{width:38px;height:38px}
.header-actions .social img{width:19px;height:19px}
.menu-btn{display:none;width:48px;height:48px;border-radius:16px;background:var(--surface-2);border:1px solid var(--line);place-items:center;align-content:center}
.menu-btn span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--d-2) var(--ease-out)}
.menu-btn span+span{margin-top:5px}
.menu-btn[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
@media (max-width:1279px){.header-actions .socials{display:none}}
@media (max-width:1023px){
  .nav{display:none}
  .menu-btn{display:grid}
  .header-actions{margin-left:auto}
}
@media (max-width:479px){.header-actions .btn{display:none}.brand-name small{display:none}}

/* мобильная шторка снизу */
.sheet{position:fixed;inset:0;z-index:var(--z-sheet);visibility:hidden;pointer-events:none;transition:visibility 0s .5s}
.sheet.is-open{visibility:visible;pointer-events:auto;transition:none}
.sheet-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;transition:opacity var(--d-2)}
.sheet.is-open .sheet-backdrop{opacity:1}
.sheet-panel{position:absolute;left:0;right:0;bottom:0;max-height:88dvh;overflow:auto;overscroll-behavior:contain;background:#161616;border-top:1px solid var(--line-2);border-radius:28px 28px 0 0;padding:14px var(--gutter) calc(24px + env(safe-area-inset-bottom));transform:translateY(100%);transition:transform .5s var(--ease-out)}
.sheet.is-open .sheet-panel{transform:none}
.sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.sheet-close{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line);font-size:22px;line-height:1}
.sheet-nav{display:grid;margin-bottom:22px}
.sheet-nav a{display:flex;align-items:center;justify-content:space-between;min-height:58px;padding:0 4px;font:600 21px/1 var(--font-display);letter-spacing:-.01em;border-bottom:1px solid var(--line)}
.sheet-nav a::after{content:"→";font-family:var(--font-body);font-size:18px;color:var(--text-3)}
.sheet-nav a.is-active{color:var(--lime)}
.sheet-foot{display:grid;gap:16px}
.sheet-foot .btn{width:100%}

/* мобильный док с CTA */
.dock{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:var(--z-dock);display:none;align-items:center;gap:10px;padding:8px 8px 8px 18px;border-radius:var(--r-pill);background:rgba(22,22,22,.88);border:1px solid var(--line-2);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);transform:translateY(160%);transition:transform .5s var(--ease-out)}
.dock.is-visible{transform:none}
.dock p{font-size:13px;line-height:1.25;color:var(--text-2);margin-right:auto}
.dock p strong{display:block;color:var(--text);font-size:14px}
.dock .btn{min-height:48px;padding:0 20px}
@media (max-width:767px){.dock{display:flex}}

/* =====================================================================
   HERO
   ===================================================================== */
.hero{position:relative;min-height:100dvh;padding-top:calc(var(--header-h) + 64px);padding-bottom:clamp(40px,5vw,72px);overflow:hidden;isolation:isolate;display:flex;align-items:center}
.hero>.container{width:min(100% - 2*var(--gutter),var(--container))}
.hero-bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;opacity:.45;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 70% 40%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 70% at 70% 40%,#000 20%,transparent 75%)}
.hero-bg::after{content:"";position:absolute;width:min(900px,120vw);aspect-ratio:1;right:-12%;top:-18%;background:radial-gradient(40% 40% at 60% 40%,rgba(65,105,255,.26),transparent),radial-gradient(28% 28% at 35% 70%,rgba(199,255,47,.09),transparent)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);align-items:center;gap:clamp(24px,4vw,64px)}
.hero-copy{position:relative;z-index:2}
.hero .eyebrow{margin-bottom:28px}
.h1{font-size:var(--fs-h1);line-height:1.02;letter-spacing:-.035em}
.h1 .line{display:block;overflow:hidden;padding-bottom:.06em}
.h1 .line>span{display:inline-block}
.h1 .line-outline{overflow:visible;padding-bottom:0}
.h-outline{width:7.334em;max-width:100%;height:auto;margin-top:.14em;overflow:visible}
.h-outline path{fill:none;stroke:#fff;stroke-width:1.6px;vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-dasharray:1 1;stroke-dashoffset:0}
.hero .lead{margin-top:28px;max-width:33em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}

.hero-visual{position:relative;height:min(76dvh,740px);min-height:520px}
.reactor{position:absolute;inset:4% 0 0;display:grid;place-items:center}
.reactor svg{width:min(100%,640px);height:auto;overflow:visible}
.reactor .orbit{fill:none;stroke:rgba(255,255,255,.12);stroke-width:1}
.reactor .orbit-lime{fill:none;stroke:rgba(199,255,47,.45);stroke-width:1.5;stroke-dasharray:2 10;stroke-linecap:round}
.reactor .node{fill:var(--bg);stroke-width:2}
.reactor .node-l{stroke:var(--lime)}
.reactor .node-b{stroke:var(--blue)}
.reactor .bond{stroke:rgba(255,255,255,.2);stroke-width:1}
.reactor .spin{transform-origin:320px 320px;animation:spin 70s linear infinite}
.reactor .spin-rev{transform-origin:320px 320px;animation:spin 100s linear infinite reverse}
.hero-photo{position:absolute;left:50%;bottom:0;width:min(84%,500px);margin-left:calc(min(84%,500px) / -2);-webkit-mask-image:linear-gradient(to bottom,#000 74%,transparent 99%);mask-image:linear-gradient(to bottom,#000 74%,transparent 99%)}
.hero-photo img{width:100%;height:auto}
.hero-name{position:absolute;left:0;bottom:14%;z-index:3;display:grid;gap:2px;padding:14px 18px;border-radius:var(--r-md);background:rgba(20,20,20,.72);border:1px solid var(--line-2);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--shadow-1)}
.hero-name strong{font:600 15px/1.25 var(--font-display)}
.hero-name span{font-size:13px;color:var(--text-2)}
.hero-cat{position:absolute;z-index:4;top:2%;left:-2%;width:clamp(120px,13vw,190px)}
.hero-cat img{width:100%;filter:drop-shadow(0 20px 30px rgba(0,0,0,.5))}
.formula{position:absolute;z-index:1;font:500 13px/1 var(--font-display);color:var(--text-3);letter-spacing:.02em;white-space:nowrap}
.formula sub{font-size:.72em}
.formula.f1{top:12%;right:4%}
.formula.f2{top:46%;right:0;color:rgba(199,255,47,.75)}
.formula.f3{bottom:46%;left:0;color:rgba(142,164,255,.85)}
.depth{transition:transform 1s var(--ease-out)}

/* hero intro choreography */
.js .hero .eyebrow,.js .hero .lead,.js .hero-cta{opacity:0;transform:translateY(16px)}
.js .h1 .line>span{transform:translateY(105%)}
.js .h-outline path{stroke-dashoffset:1}
.js .hero-photo{transform:translateY(28px) scale(.97)}
.js .hero-name{opacity:0;transform:translateY(12px)}
.js .hero-cat{opacity:0;transform:translate(-60px,40px) rotate(-12deg) scale(.8)}
.js .reactor{opacity:0;transform:scale(.92)}
.is-ready .hero .eyebrow{animation:rise .7s var(--ease-out) .05s forwards}
.is-ready .h1 .line>span{animation:lineUp .9s var(--ease-out) forwards;animation-delay:calc(.1s + var(--l,0) * .09s)}
.is-ready .h-outline path{animation:draw 1.3s var(--ease-io) forwards;animation-delay:calc(.4s + var(--i) * .07s)}
.is-ready .hero .lead{animation:rise .8s var(--ease-out) .5s forwards}
.is-ready .hero-cta{animation:rise .8s var(--ease-out) .62s forwards}
.is-ready .hero-photo{animation:lineUp 1.2s var(--ease-out) forwards}
.is-ready .reactor{animation:grow 1.4s var(--ease-out) .1s forwards}
.is-ready .hero-name{animation:rise .7s var(--ease-out) .9s forwards}
.is-ready .hero-cat{animation:flyIn 1.1s var(--ease-spring) .8s forwards}
.is-ready .hero-cat img{animation:float 6s ease-in-out 2s infinite}

@keyframes rise{to{opacity:1;transform:none}}
@keyframes lineUp{to{transform:none}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes grow{to{opacity:1;transform:none}}
@keyframes flyIn{to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-12px) rotate(2deg)}}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:1023px){
  .hero{min-height:auto;display:block}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{height:auto;min-height:0;aspect-ratio:1/1.05;max-width:560px;width:100%;margin-inline:auto}
}
@media (max-width:767px){
  .hero{padding-top:calc(var(--header-h) + 44px)}
  .hero .eyebrow{margin-bottom:20px;font-size:11px;letter-spacing:.1em}
  .hero .lead{margin-top:20px}
  .hero-cta{margin-top:28px}
  .hero-cta .btn{flex:1 1 100%}
  .hero-visual{aspect-ratio:1/1.12;margin-top:8px}
  .hero-name{bottom:8%;padding:11px 14px}
  .hero-name strong{font-size:14px}
  .hero-cat{left:0;top:0;width:112px}
  .formula.f1{top:6%}
  .formula.f2,.formula.f3{display:none}
}

/* ---------- proof band ---------- */
.proof{border-block:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.015),transparent)}
.proof ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.proof li{display:grid;gap:6px;align-content:start;padding:28px clamp(16px,2vw,32px);border-left:1px solid var(--line)}
.proof li:first-child{border-left:0;padding-left:0}
.proof strong{font:700 clamp(22px,1.4vw + 12px,32px)/1.1 var(--font-display);letter-spacing:-.02em}
.proof li>span{font-size:14px;color:var(--text-2);line-height:1.4}
@media (max-width:1023px){
  .proof ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .proof li:nth-child(3){border-left:0;padding-left:0}
  .proof li:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:479px){.proof li{padding:22px 12px}.proof li:nth-child(odd){padding-left:0}}

/* =====================================================================
   ABOUT
   ===================================================================== */
.about-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,6vw,96px);align-items:start}
.about-media{position:sticky;top:110px}
.about-frame{position:relative;border-radius:220px 220px var(--r-lg) var(--r-lg);overflow:hidden;background:radial-gradient(120% 80% at 50% 0%,rgba(199,255,47,.16),transparent 60%),linear-gradient(180deg,#1b1b1b,#131313);border:1px solid var(--line);aspect-ratio:534/720}
.about-frame::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:32px 32px;opacity:.5;-webkit-mask-image:linear-gradient(to bottom,#000,transparent 80%);mask-image:linear-gradient(to bottom,#000,transparent 80%)}
.about-frame picture{position:absolute;left:0;right:0;bottom:0}
.about-frame img{width:100%;height:auto}
.about-cap{margin-top:16px;font-size:14px;color:var(--text-3)}
.about-copy .h2{margin:18px 0 28px}
.about-copy .lead{margin-bottom:18px}
.about-copy .body+.body{margin-top:14px}
.creds{margin-top:44px;border-top:1px solid var(--line)}
.cred{display:grid;grid-template-columns:44px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
.cred-ico{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);color:var(--lime)}
.cred-ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.cred:nth-child(even) .cred-ico{color:var(--blue-text)}
.cred h3{font:600 17px/1.35 var(--font-body);margin-bottom:4px}
.cred p{font-size:15px;color:var(--text-2)}
@media (max-width:1023px){
  .about-grid{grid-template-columns:1fr}
  .about-media{position:relative;top:0;max-width:400px;width:100%}
}
@media (max-width:767px){.about-media{max-width:320px;margin-inline:auto}}

/* =====================================================================
   DIRECTIONS
   ===================================================================== */
.worlds{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.world{--acc:var(--lime);--acc-soft:var(--lime-soft);--acc-text:var(--lime);position:relative;overflow:hidden;border-radius:var(--r-lg);padding:clamp(24px,3vw,44px);background:linear-gradient(160deg,var(--acc-soft),transparent 45%),var(--bg-raise);border:1px solid var(--line);display:flex;flex-direction:column;isolation:isolate}
.world.chem{--acc:var(--blue);--acc-soft:var(--blue-soft);--acc-text:var(--blue-text)}
.world-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.world-tag{display:inline-flex;align-items:center;min-height:32px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;color:var(--acc-text);border:1px solid var(--acc);background:var(--acc-soft)}
.world-sym{font:600 14px/1 var(--font-display);color:var(--text-3)}
.world-sym sub{font-size:.72em}
.world h3{font:700 clamp(34px,3.2vw + 12px,64px)/1 var(--font-display);letter-spacing:-.035em;margin:clamp(130px,14vw,190px) 0 16px}
.world>p{color:var(--text-2);max-width:36ch;margin-bottom:28px}
.tracks{display:grid;gap:8px}
.track{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;min-height:60px;padding:0 18px;border-radius:var(--r-md);background:rgba(17,17,17,.6);border:1px solid var(--line);transition:border-color var(--d-1),transform var(--d-2) var(--ease-out),background-color var(--d-1)}
.track:hover{border-color:var(--acc);transform:translateX(4px);background:rgba(17,17,17,.9)}
.track strong{font-weight:600}
.track-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3)}
.track .arrow{color:var(--acc-text);font-size:18px;transition:transform var(--d-2) var(--ease-spring)}
.track:hover .arrow{transform:translateX(4px)}
.world-cat{position:absolute;z-index:-1;top:clamp(64px,6vw,76px);right:clamp(0px,1.5vw,28px);width:clamp(160px,16vw,240px);transition:transform .9s var(--ease-spring)}
.world:hover .world-cat{transform:rotate(-4deg) translateY(-6px)}
.worlds-x{position:absolute;left:50%;top:50%;z-index:2;display:grid;place-items:center;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;background:var(--bg);border:1px solid var(--line-2);font:700 22px/1 var(--font-display);box-shadow:0 0 0 8px var(--bg)}
.worlds-foot{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 28px}
.worlds-note{display:flex;flex-wrap:wrap;gap:10px 28px;color:var(--text-2);font-size:15px}
.worlds-note span{display:inline-flex;align-items:center;gap:10px}
.ico{width:18px;height:18px;flex-shrink:0;stroke:var(--lime);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:1023px){
  .worlds{grid-template-columns:1fr}
  .worlds-x{position:relative;left:auto;top:auto;margin:-40px auto}
}
@media (max-width:767px){.world h3{margin-top:150px}.world-cat{width:150px}}

/* spotlight border (курсор подсвечивает рамку) */
.spot{--mx:50%;--my:50%}
.spot::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;padding:1px;background:radial-gradient(420px circle at var(--mx) var(--my),rgba(255,255,255,.4),transparent 45%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);opacity:0;transition:opacity var(--d-2)}
.spot:hover::after{opacity:1}

/* =====================================================================
   WHY IT WORKS
   ===================================================================== */
.why-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.why-chart{grid-column:span 7;grid-row:span 2;position:relative;border-radius:var(--r-lg);padding:clamp(24px,3vw,40px);background:var(--bg-raise);border:1px solid var(--line);display:flex;flex-direction:column;gap:18px;overflow:hidden}
.why-chart .h3{max-width:24ch}
.why-chart .body{font-size:15px}
.chart{width:100%;height:auto;margin-top:auto}
.chart .axis{stroke:var(--line-2);stroke-width:1.5;fill:none}
.chart .c-no{fill:none;stroke:var(--blue);stroke-width:3;stroke-linecap:round}
.chart .c-yes{fill:none;stroke:var(--lime);stroke-width:4;stroke-linecap:round}
.chart .area{fill:url(#limeFade)}
.chart text{font:500 13px var(--font-body);fill:var(--text-3)}
.chart .t-lime{fill:var(--lime)}
.chart .t-blue{fill:var(--blue-text)}
.chart .gap-line{stroke:var(--text-3);stroke-width:1;stroke-dasharray:3 5}
.js .chart .draw{stroke-dasharray:1;stroke-dashoffset:1}
.chart.is-in .draw{animation:draw 1.8s var(--ease-io) forwards}
.chart.is-in .c-yes.draw{animation-delay:.6s}
.js .chart .fade{opacity:0;transition:opacity .8s var(--ease-out) 1.6s}
.chart.is-in .fade{opacity:1}
.chart-legend{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--text-2)}
.chart-legend span{display:inline-flex;align-items:center;gap:10px}
.chart-legend i{width:26px;border-top:4px solid var(--lime);border-radius:3px}
.chart-legend i.b{border-top:3px solid var(--blue)}
.why-card{grid-column:span 5;position:relative;border-radius:var(--r-lg);padding:clamp(22px,2.4vw,32px);background:var(--surface);border:1px solid var(--line);display:grid;gap:10px;align-content:start}
.why-card.alt{background:linear-gradient(140deg,rgba(65,105,255,.18),rgba(65,105,255,.03) 60%),var(--bg-raise)}
.why-card.pattern{background:radial-gradient(circle at 1px 1px,rgba(199,255,47,.18) 1px,transparent 1.5px) 0 0/18px 18px,var(--bg-raise)}
.why-card .num{font:700 13px/1 var(--font-display);color:var(--lime)}
.why-card.alt .num{color:var(--blue-text)}
.why-card p{color:var(--text-2)}
.why-row{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.why-row .why-card{grid-column:auto}
@media (max-width:1023px){
  .why-grid{grid-template-columns:1fr}
  .why-chart,.why-card{grid-column:auto;grid-row:auto}
  .why-row{grid-template-columns:1fr}
}

/* =====================================================================
   METHOD (как проходит обучение)
   ===================================================================== */
.method-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:21/8.4;background:radial-gradient(80% 120% at 65% 100%,rgba(65,105,255,.28),transparent 60%),radial-gradient(60% 100% at 15% 0%,rgba(199,255,47,.10),transparent 60%),#151515;border:1px solid var(--line);margin-bottom:clamp(44px,5vw,72px)}
.method-media::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;opacity:.5}
.method-media picture{position:absolute;right:2%;bottom:0;width:min(60%,740px)}
.method-media img{width:100%;height:auto}
.method-quote{position:absolute;left:clamp(20px,4vw,56px);top:50%;transform:translateY(-50%);max-width:min(40%,440px);font:600 clamp(18px,1.2vw + 10px,28px)/1.3 var(--font-display);letter-spacing:-.02em}
.method-quote span{color:var(--lime)}
.js .method-media picture{clip-path:inset(0 0 100% 0)}
.method-media.is-in picture{animation:wipe 1.2s var(--ease-out) forwards}
@keyframes wipe{to{clip-path:inset(0 0 0 0)}}
.flow{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--gap)}
.flow::before{content:"";position:absolute;left:22px;right:22px;top:22px;height:1px;background:linear-gradient(90deg,var(--lime),var(--blue));opacity:.5;transform-origin:left;transform:scaleX(var(--p,1));transition:transform 1.6s var(--ease-io)}
.js .flow:not(.is-in){--p:0}
.flow li{position:relative;display:grid;gap:12px;align-content:start}
.flow-dot{position:relative;z-index:1;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--bg);border:1px solid var(--line-2);font:700 13px/1 var(--font-display);color:var(--lime)}
.flow li:nth-child(even) .flow-dot{color:var(--blue-text)}
.flow h3{font:600 18px/1.3 var(--font-body)}
.flow p{font-size:15px;color:var(--text-2)}
.method-foot{margin-top:clamp(28px,4vw,48px)}
@media (max-width:1023px){
  .method-media{aspect-ratio:auto;display:flex;flex-direction:column}
  .method-quote{position:relative;left:auto;top:auto;transform:none;max-width:none;padding:28px 24px 8px}
  .method-media picture{position:relative;right:auto;width:100%;max-width:640px;margin:auto auto 0}
  .flow{grid-template-columns:1fr;gap:0}
  .flow::before{left:21px;right:auto;top:22px;bottom:40px;width:1px;height:auto;background:linear-gradient(180deg,var(--lime),var(--blue));transform-origin:top;transform:scaleY(var(--p,1))}
  .flow li{grid-template-columns:44px minmax(0,1fr);column-gap:18px;row-gap:6px;padding-bottom:28px}
  .flow li>:not(.flow-dot){grid-column:2}
  .flow-dot{grid-row:span 2}
}

/* =====================================================================
   APPROACH (без фото, цепочка реакции)
   ===================================================================== */
.approach{background:radial-gradient(60% 50% at 50% 0%,rgba(199,255,47,.06),transparent 70%)}
.approach-head{position:relative;max-width:980px}
.manifest{margin-top:22px;font:600 clamp(20px,1.4vw + 12px,32px)/1.3 var(--font-display);letter-spacing:-.02em;max-width:28ch;color:var(--text-2)}
.manifest strong{color:var(--text);font-weight:600}
.chain{position:relative;margin-top:clamp(48px,6vw,88px);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(28px,3vw,44px) var(--gap)}
.chain-svg{position:absolute;left:0;top:0;pointer-events:none;overflow:visible}
.chain-svg path{fill:none;stroke:url(#chainGrad);stroke-width:1.5;stroke-dasharray:1;stroke-dashoffset:var(--o,0);transition:stroke-dashoffset 2.6s var(--ease-io)}
.js .chain:not(.is-in) .chain-svg path{--o:1}
.step{position:relative;z-index:1;display:grid;gap:10px;align-content:start;padding:22px;border-radius:var(--r-md);background:#171717;border:1px solid var(--line);transition:border-color var(--d-2),transform .7s var(--ease-out),opacity .7s var(--ease-out)}
.step:hover{transform:translateY(-4px);border-color:var(--line-2)}
.atom{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--lime);font:700 14px/1 var(--font-display);color:var(--lime);background:var(--bg);position:relative}
.atom sup{position:absolute;top:4px;right:5px;font:500 8px/1 var(--font-body);color:var(--text-3)}
.step:nth-child(even) .atom{border-color:var(--blue);color:var(--blue-text)}
.step h3{font:600 17px/1.3 var(--font-body)}
.step p{font-size:14px;color:var(--text-2);line-height:1.5}
.js .chain:not(.is-in) .step{opacity:0;transform:translateY(18px)}
.chain.is-in .step{transition-delay:0s,calc(var(--i) * .12s),calc(var(--i) * .12s)}
.approach-cat{position:absolute;right:0;top:-10px;width:clamp(120px,12vw,180px)}
@media (max-width:1023px){.chain{grid-template-columns:repeat(2,minmax(0,1fr))}.approach-head{padding-right:140px}}
@media (max-width:767px){.chain{grid-template-columns:1fr;gap:12px}.approach-head{padding-right:0}.approach-cat{position:relative;right:auto;top:auto;width:110px;margin-bottom:16px}}

/* =====================================================================
   MATERIALS
   ===================================================================== */
.materials{overflow:hidden}
.mat-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,5vw,80px);align-items:center}
.mat-types{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 32px}
.chip{display:inline-flex;align-items:center;min-height:36px;padding:0 15px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--surface);font-size:14px;font-weight:500;color:var(--text-2)}
.chip.hl{color:var(--lime-ink);background:var(--lime);border-color:var(--lime);font-weight:600}
.mat-tabs-label{font-size:14px;color:var(--text-3);margin-bottom:12px}
.mat-tabs{display:flex;flex-wrap:wrap;gap:8px}
.mat-tab{min-height:44px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--text-2);text-align:left;transition:background-color var(--d-1),color var(--d-1),border-color var(--d-1)}
.mat-tab:hover{color:var(--text);border-color:var(--line-2)}
.mat-tab[aria-selected="true"]{background:var(--surface-3);color:var(--text);border-color:var(--line-2)}
.mat-tab[aria-selected="true"].bio{box-shadow:inset 0 -2px 0 var(--lime)}
.mat-tab[aria-selected="true"].chem{box-shadow:inset 0 -2px 0 var(--blue)}
.deck-wrap{position:relative;padding:12% 12% 0 0}
.deck{position:relative;aspect-ratio:1400/860;perspective:1600px}
.deck-card{position:absolute;inset:0;display:block;width:100%;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line-2);background:#0d0d0d;box-shadow:0 30px 80px -30px rgba(0,0,0,.95);transform-origin:50% 100%;transition:transform .8s var(--ease-out),filter .6s}
.deck-card img{width:100%;height:100%;object-fit:cover;object-position:top left}
.deck-card[data-pos="0"]{transform:none;z-index:4;cursor:zoom-in}
.deck-card[data-pos="1"]{transform:translate3d(4%,-6%,-80px) rotate(3deg);z-index:3;filter:brightness(.55)}
.deck-card[data-pos="2"]{transform:translate3d(8%,-12%,-160px) rotate(6deg);z-index:2;filter:brightness(.38)}
.deck-card[data-pos="3"]{transform:translate3d(12%,-18%,-240px) rotate(9deg);z-index:1;filter:brightness(.25)}
.deck:hover .deck-card[data-pos="1"]{transform:translate3d(7%,-9%,-80px) rotate(4deg)}
.deck:hover .deck-card[data-pos="2"]{transform:translate3d(14%,-18%,-160px) rotate(8deg)}
.deck:hover .deck-card[data-pos="3"]{transform:translate3d(21%,-27%,-240px) rotate(12deg)}
.deck-zoom{position:absolute;right:14px;bottom:14px;z-index:5;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:var(--r-pill);background:rgba(17,17,17,.82);border:1px solid var(--line-2);font-size:13px;font-weight:600;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background-color var(--d-1)}
.deck-zoom:hover{background:rgba(30,30,30,.95)}
.deck-zoom svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.mat-cat{position:absolute;left:-9%;top:-7%;z-index:6;width:clamp(110px,11vw,160px);pointer-events:none}
.mat-caption{margin-top:22px;font-size:14px;color:var(--text-3);min-height:1.6em}
@media (max-width:1023px){.mat-grid{grid-template-columns:1fr}.deck-wrap{padding:9% 9% 0 0;max-width:720px}}
@media (max-width:767px){.mat-cat{width:92px;left:-2%;top:-4%}.deck-zoom span:not(.sr-only){display:none}}

.lightbox{border:0;padding:0;background:transparent;max-width:min(96vw,1400px);max-height:92dvh;overflow:visible;color:var(--text)}
.lightbox::backdrop{background:rgba(0,0,0,.84);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.lightbox img{max-height:84dvh;width:auto;max-width:100%;border-radius:var(--r-md);border:1px solid var(--line-2)}
.lightbox form{position:absolute;right:0;top:-56px}
.lightbox .close{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--surface-3);border:1px solid var(--line-2);font-size:22px;line-height:1}
.lightbox[open]{animation:pop .4s var(--ease-out)}
@keyframes pop{from{opacity:0;transform:scale(.96)}}

/* =====================================================================
   PARENTS (кабинет)
   ===================================================================== */
.parents-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,80px);align-items:center}
.parents-copy .h2{margin:18px 0 22px}
.sees{margin-top:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.sees li{display:flex;align-items:center;gap:12px;min-height:52px;padding:0 16px;border-radius:var(--r-sm);background:var(--surface);border:1px solid var(--line);font-size:15px}
.privacy{margin-top:20px;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-3)}
.privacy .ico{stroke:var(--text-3)}
.app-stage{position:relative;padding:6% 4% 8% 0}
.app{position:relative;border-radius:22px;background:#161616;border:1px solid var(--line-2);box-shadow:var(--shadow-2);overflow:hidden;transform:perspective(1800px) rotateY(-9deg) rotateX(4deg);transition:transform 1s var(--ease-out)}
.app-stage:hover .app{transform:perspective(1800px) rotateY(-3deg) rotateX(1deg)}
.app-bar{display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-bottom:1px solid var(--line);background:#1b1b1b}
.app-bar i{width:10px;height:10px;border-radius:50%;background:#333}
.app-url{margin-left:12px;flex:1;max-width:320px;height:24px;border-radius:8px;background:#232323;font-size:12px;color:var(--text-3);display:flex;align-items:center;padding:0 10px}
.app-body{display:grid;gap:14px;padding:clamp(16px,2vw,24px)}
.app-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.app-head strong{font:600 16px/1.2 var(--font-display)}
.app-head small{display:block;margin-top:4px;color:var(--text-3);font-size:13px}
.badge{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--lime-soft);color:var(--lime);white-space:nowrap}
.app-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.stat{padding:14px;border-radius:var(--r-sm);background:var(--surface);border:1px solid var(--line)}
.stat b{display:block;font:700 26px/1 var(--font-display);letter-spacing:-.02em}
.stat span{display:block;margin-top:6px;font-size:12px;color:var(--text-3);line-height:1.3}
.stat.hl b{color:var(--lime)}
.app-row{display:grid;grid-template-columns:1.2fr 1fr;gap:10px}
.panel{padding:14px;border-radius:var(--r-sm);background:var(--surface);border:1px solid var(--line)}
.panel h4{font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.04em;margin-bottom:10px}
.hw{display:grid;gap:9px}
.hw li{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px}
.grade{display:grid;place-items:center;min-width:26px;height:26px;border-radius:8px;font:700 13px/1 var(--font-display);background:var(--lime);color:var(--lime-ink)}
.grade.b{background:var(--blue);color:#fff}
.grade.w{background:var(--surface-3);color:var(--text-2);font-family:var(--font-body);font-weight:500;font-size:11px;padding:0 8px}
.spark{width:100%;height:auto}
.spark path{fill:none;stroke:var(--lime);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.spark .fill{fill:url(#sparkFade);stroke:none}
.spark circle{fill:#161616;stroke:var(--lime);stroke-width:2}
.note{position:absolute;z-index:2;display:grid;gap:8px;padding:14px 16px;border-radius:var(--r-md);background:rgba(28,28,28,.92);border:1px solid var(--line-2);box-shadow:var(--shadow-2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:270px;font-size:13px;line-height:1.45}
.note.n1{left:-7%;bottom:0}
.note.n2{right:0;top:0;display:flex;align-items:center;gap:10px}
.note .who{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3);font-weight:600}
.note .who img{width:26px;height:26px;border-radius:50%;background:#111;padding:4px}
.app-disclaimer{margin-top:14px;font-size:12px;color:var(--text-3)}
.parents-cat{position:absolute;right:-4%;bottom:-2%;z-index:3;width:clamp(96px,9vw,136px)}
.js .app-stage .note{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.app-stage.is-in .note{opacity:1;transform:none}
.app-stage.is-in .note.n1{transition-delay:.5s}
.app-stage.is-in .note.n2{transition-delay:.8s}
@media (max-width:1023px){.parents-grid{grid-template-columns:1fr}.app,.app-stage:hover .app{transform:none}}
@media (max-width:767px){
  .sees{grid-template-columns:1fr}
  .app-stage{padding:0 0 8px}
  .app-row{grid-template-columns:1fr}
  .app-stats{gap:6px}
  .stat{padding:12px 10px}
  .stat b{font-size:22px}
  .note{position:relative;left:auto;right:auto;top:auto;bottom:auto;max-width:none;margin-top:12px}
  .note.n2{display:none}
  .parents-cat{display:none}
  .app-disclaimer{text-align:left}
}

/* =====================================================================
   TARIFFS
   ===================================================================== */
.plans{display:grid;grid-template-columns:1fr 1.08fr 1fr;gap:var(--gap);align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;gap:20px;padding:clamp(24px,2.6vw,36px);border-radius:var(--r-lg);background:var(--bg-raise);border:1px solid var(--line);transition:transform var(--d-2) var(--ease-out),border-color var(--d-2)}
.plan:hover{transform:translateY(-6px);border-color:var(--line-2)}
.plan.featured{background:linear-gradient(170deg,rgba(199,255,47,.10),transparent 40%),#1a1a1a;border-color:rgba(199,255,47,.4);box-shadow:0 30px 90px -40px rgba(199,255,47,.35)}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:26px}
.plan-name{font:700 15px/1 var(--font-display);letter-spacing:.06em}
.plan-count{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 12px;font:700 clamp(46px,3.4vw + 14px,72px)/1 var(--font-display);letter-spacing:-.04em}
.plan-count .plus{color:var(--lime)}
.plan-count small{font:500 15px/1.2 var(--font-body);letter-spacing:0;color:var(--text-3)}
.dots{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));gap:6px;max-width:300px;min-height:18px}
.dots i{aspect-ratio:1;border-radius:50%;background:rgba(255,255,255,.24);transition:transform .5s var(--ease-spring);transition-delay:calc(var(--i) * 22ms)}
.dots i.bonus{background:var(--lime);box-shadow:0 0 12px rgba(199,255,47,.5)}
.js .plan:not(.is-in) .dots i{transform:scale(0)}
.dots-legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--text-3)}
.dots-legend span{display:inline-flex;align-items:center;gap:8px}
.dots-legend i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.24)}
.dots-legend i.bonus{background:var(--lime)}
.plan-for{font-size:15px;color:var(--text-2);line-height:1.5}
.plan ul{display:grid;gap:10px;padding-top:18px;border-top:1px solid var(--line)}
.plan li{display:flex;gap:10px;font-size:15px;color:var(--text-2)}
.plan li::before{content:"";flex-shrink:0;width:6px;height:6px;margin-top:.62em;border-radius:50%;background:var(--text-3)}
.plan.featured li::before{background:var(--lime)}
.plan .btn{margin-top:auto;width:100%}
.referral{margin-top:var(--gap);position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:clamp(18px,3vw,40px);padding:clamp(22px,3vw,36px);border-radius:var(--r-lg);border:1px dashed rgba(199,255,47,.4);background:rgba(199,255,47,.04);overflow:hidden}
.referral-num{font:800 clamp(40px,3vw + 14px,64px)/1 var(--font-display);letter-spacing:-.04em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.referral h3{font:600 20px/1.3 var(--font-display);margin-bottom:6px}
.referral p{color:var(--text-2);max-width:58ch}
.referral img{width:clamp(96px,9vw,128px);margin:-20px 0}
.price-note{margin-top:18px;font-size:14px;color:var(--text-3)}
@media (max-width:1023px){.plans{grid-template-columns:1fr;max-width:560px;margin-inline:auto}.referral{grid-template-columns:1fr auto}.referral-num{grid-column:1/-1}}
@media (max-width:479px){.referral{grid-template-columns:1fr}.referral img{display:none}}

/* =====================================================================
   FAQ
   ===================================================================== */
.faq-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(32px,5vw,80px);align-items:start}
.faq-side{position:sticky;top:110px}
.faq-side .body{margin-top:18px}
.faq-side img{width:clamp(120px,11vw,170px);margin-top:28px}
.faq-list{display:grid;gap:10px}
.qa{border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);transition:border-color var(--d-1),background-color var(--d-1)}
.qa[open]{background:var(--surface-2);border-color:var(--line-2)}
.qa summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;padding:16px 22px;cursor:pointer;font-weight:600;font-size:17px;line-height:1.35}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--surface-3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c7ff2f' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center/16px no-repeat;transition:transform var(--d-2) var(--ease-spring)}
.qa[open] summary::after{transform:rotate(45deg)}
.qa .a{padding:0 22px 22px;color:var(--text-2);max-width:64ch}
@media (max-width:1023px){.faq-grid{grid-template-columns:1fr}.faq-side{position:relative;top:0}.faq-side img{display:none}}

/* =====================================================================
   TRIAL
   ===================================================================== */
.trial-card{position:relative;overflow:hidden;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(24px,4vw,56px);align-items:end;padding:clamp(28px,5vw,72px) clamp(24px,5vw,72px) 0;border-radius:36px;background:radial-gradient(80% 90% at 100% 100%,rgba(65,105,255,.35),transparent 60%),radial-gradient(70% 80% at 0% 0%,rgba(199,255,47,.14),transparent 55%),#161616;border:1px solid var(--line-2)}
.trial-card::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.5;-webkit-mask-image:linear-gradient(90deg,#000,transparent 70%);mask-image:linear-gradient(90deg,#000,transparent 70%)}
.trial-copy{padding-bottom:clamp(28px,5vw,72px)}
.trial-copy .h2{font-size:clamp(30px,3.2vw + 12px,66px)}
.trial-copy .lead{margin-top:22px}
.trial-steps{margin-top:26px;display:flex;flex-wrap:wrap;gap:8px}
.trial-cta{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px}
.trial-photo{position:relative;align-self:end;justify-self:end;width:100%;max-width:500px}
.trial-photo picture img{width:100%;height:auto;-webkit-mask-image:linear-gradient(to bottom,#000 70%,transparent 98%);mask-image:linear-gradient(to bottom,#000 70%,transparent 98%)}
.trial-cat{position:absolute;left:-14%;top:26%;z-index:2;width:clamp(96px,9vw,130px);opacity:0;transform:translate(24px,24px) scale(.6) rotate(10deg);transition:opacity .4s var(--ease-out),transform .6s var(--ease-spring)}
.trial-card.is-react .trial-cat{opacity:1;transform:none}
@media (max-width:1023px){
  .trial-card{grid-template-columns:1fr}
  .trial-copy{padding-bottom:0}
  .trial-photo{justify-self:center;max-width:300px}
  .trial-cat{left:-18%}
}
@media (max-width:767px){.trial-cta .btn{flex:1 1 100%}.trial-card{border-radius:28px}}

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer{position:relative;padding-block:clamp(64px,8vw,110px) 28px;border-top:1px solid var(--line);overflow:hidden;background:var(--bg-deep)}
.footer-top{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(3,minmax(0,.7fr));gap:clamp(28px,4vw,56px)}
.footer-brand p{margin-top:18px;color:var(--text-2);max-width:30ch}
.footer-brand .socials{margin-top:24px}
.footer-col h2{font:600 13px/1 var(--font-body);color:var(--text-3);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.footer-col a{display:inline-flex;align-items:center;min-height:40px;color:var(--text-2);transition:color var(--d-1)}
.footer-col a:hover{color:var(--lime)}
.wordmark{margin-top:clamp(56px,7vw,96px);font:800 clamp(34px,9.6vw,168px)/.9 var(--font-display);letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.16);white-space:nowrap;user-select:none;text-align:center}
.footer-bottom{position:relative;z-index:1;margin-top:28px;padding-right:clamp(0px,12vw,170px);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;font-size:14px;color:var(--text-3)}
.footer-bottom a{display:inline-flex;align-items:center;min-height:32px}
.footer-bottom a:hover{color:var(--text)}
.easter{position:absolute;right:clamp(16px,8vw,120px);bottom:-70px;width:120px;transition:transform .7s var(--ease-spring)}
.easter:hover{transform:translateY(-64px) rotate(-6deg)}
@media (max-width:1023px){.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media (max-width:479px){.footer-top{grid-template-columns:1fr}}
@media (max-width:767px){.footer{padding-bottom:110px}.easter{display:none}}

/* =====================================================================
   BLOG
   ===================================================================== */
.blog-hero{padding-top:calc(var(--header-h) + 100px);padding-bottom:40px}
.blog-hero .h1{font-size:clamp(34px,3.6vw + 14px,76px);line-height:1.05}
.blog-hero .lead{margin-top:24px}
.blog-empty{display:grid;grid-template-columns:auto minmax(0,1fr);gap:28px;align-items:center;padding:clamp(24px,4vw,48px);border-radius:var(--r-lg);background:var(--bg-raise);border:1px solid var(--line)}
.blog-empty img{width:clamp(110px,12vw,170px)}
.blog-empty .h3{margin-bottom:10px}
.blog-empty .btn{margin-top:24px}
@media (max-width:767px){.blog-empty{grid-template-columns:1fr}}

/* =====================================================================
   REVEALS (IntersectionObserver ставит .is-in)
   ===================================================================== */
.js [data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);transition-delay:var(--delay,0s)}
.js [data-reveal="scale"]{transform:scale(.94)}
.js [data-reveal="left"]{transform:translateX(-32px)}
.js [data-reveal].is-in{opacity:1;transform:none}
/* пословное появление заголовков */
.w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
.w>span{display:inline-block;transition:transform .9s var(--ease-out);transition-delay:calc(var(--wi) * 40ms)}
.js [data-split]:not(.is-in) .w>span{transform:translateY(110%)}

/* мягкий параллакс там, где есть scroll-driven animations */
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .parallax{animation:parallax linear both;animation-timeline:view();animation-range:cover}
    @keyframes parallax{from{translate:0 var(--pf,36px)}to{translate:0 calc(var(--pf,36px) * -1)}}
  }
}

/* =====================================================================
   REDUCED MOTION / TRANSPARENCY
   ===================================================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;animation-delay:0s!important;transition-duration:.001ms!important;transition-delay:0s!important}
  .js [data-reveal],.js .hero .eyebrow,.js .hero .lead,.js .hero-cta,.js .hero-name,.js .hero-cat,.js .reactor,.js .app-stage .note{opacity:1!important;transform:none!important}
  .js .h1 .line>span,.js [data-split] .w>span,.js .plan .dots i{transform:none!important}
  .js .h-outline path,.js .chart .draw{stroke-dashoffset:0!important}
  .js .hero-photo{transform:none!important}
  .js .method-media picture{clip-path:none!important}
  .js .chart .fade,.js .chain .step{opacity:1!important}
  .js .chain .chain-svg path{--o:0!important}
  .js .flow{--p:1!important}
  .reactor .spin,.reactor .spin-rev,.hero-cat img{animation:none!important}
}
@media (prefers-reduced-transparency:reduce){
  .header-bar,.is-scrolled .header-bar,.dock,.hero-name,.note,.sheet-backdrop{-webkit-backdrop-filter:none;backdrop-filter:none;background:#1a1a1a}
}