:root {
  --bg:#151515;
  --surface:#1c1c1c;
  --surface-2:#222;
  --text:#f1efe9;
  --muted:#8c8c88;
  --line:rgba(255,255,255,.14);
  --line-strong:rgba(255,255,255,.28);
  --accent:#d9ff57;
  --accent-2:#8ca5ff;
  --inverse:#151515;
  --shadow:rgba(0,0,0,.24);
  --max:1180px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --font-sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,"Cascadia Mono","Segoe UI Mono",Consolas,"Liberation Mono",monospace;
  color-scheme:dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg:#f3f1eb;
    --surface:#faf8f3;
    --surface-2:#e9e6de;
    --text:#171717;
    --muted:#706e68;
    --line:rgba(23,23,23,.15);
    --line-strong:rgba(23,23,23,.32);
    --accent:#4f65ff;
    --accent-2:#ff643f;
    --inverse:#f3f1eb;
    --shadow:rgba(30,28,24,.1);
    color-scheme:light;
  }
}
html[data-theme="light"] {
  --bg:#f3f1eb;
  --surface:#faf8f3;
  --surface-2:#e9e6de;
  --text:#171717;
  --muted:#706e68;
  --line:rgba(23,23,23,.15);
  --line-strong:rgba(23,23,23,.32);
  --accent:#4f65ff;
  --accent-2:#ff643f;
  --inverse:#f3f1eb;
  --shadow:rgba(30,28,24,.1);
  color-scheme:light;
}
html[data-theme="dark"] {
  --bg:#151515;
  --surface:#1c1c1c;
  --surface-2:#222;
  --text:#f1efe9;
  --muted:#8c8c88;
  --line:rgba(255,255,255,.14);
  --line-strong:rgba(255,255,255,.28);
  --accent:#d9ff57;
  --accent-2:#8ca5ff;
  --inverse:#151515;
  --shadow:rgba(0,0,0,.24);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background .28s ease,color .28s ease}
button,input{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
button{background:none;border:0}
::selection{background:var(--accent);color:var(--inverse)}
.shell{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{font-weight:700;font-size:14px}
.nav-links{display:flex;align-items:center;gap:20px;font-size:12px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.theme-toggle{width:35px;height:35px;border:1px solid var(--line);border-radius:50%;cursor:pointer;display:grid;place-items:center}
.theme-toggle:hover{border-color:var(--line-strong)}
.eyebrow,.section-label{font:11px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.hero{
  display:grid;
  grid-template-columns:minmax(0,1.04fr) minmax(390px,.96fr);
  gap:clamp(38px,6vw,82px);
  align-items:center;
  min-height:calc(100svh - 78px);
  padding:clamp(30px,5vh,58px) 0 clamp(44px,6vh,72px);
}
.hero h1{
  margin:0;
  font-size:clamp(66px,min(8.4vw,12.2vh),120px);
  line-height:.82;
  letter-spacing:-.075em;
  font-weight:570;
}
.hero h1 span{color:var(--muted)}
html[lang="ru"] .hero h1{
  font-size:clamp(56px,min(6.45vw,10.4vh),94px);
  letter-spacing:-.065em;
}
html[lang="ru"] .hero h1 span{
  display:inline-block;
  white-space:nowrap;
  font-size:1em;
  letter-spacing:inherit;
}
.hero-lede{max-width:600px;margin:34px 0 0;font-size:clamp(17px,2vw,21px);line-height:1.55;color:var(--muted)}
.hero-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}
.hero-meta span{border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-size:10px;color:var(--muted)}
.field-wrap{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface);box-shadow:0 24px 70px var(--shadow)}
.field-head{height:42px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font:10px/1 var(--font-mono);color:var(--muted)}
.field-canvas{display:block;width:100%;height:430px;touch-action:none;cursor:grab}
.field-canvas:active{cursor:grabbing}
.section-label{display:flex;justify-content:space-between;gap:20px;padding:0 0 16px;border-bottom:1px solid var(--line)}
.query-section{padding:0 0 120px}
.query-box{border:1px solid var(--line);border-top:0;border-radius:0 0 18px 18px;overflow:hidden;background:var(--surface)}
.chat-log{min-height:190px;max-height:420px;overflow:auto;padding:24px;display:flex;flex-direction:column;gap:18px}
.chat-message{display:grid;grid-template-columns:70px minmax(0,1fr);gap:14px;align-items:start}
.chat-role{padding-top:8px;font:10px/1 var(--font-mono);text-transform:uppercase;color:var(--muted)}
.chat-bubble{max-width:760px;padding:10px 0;font-size:16px;line-height:1.55}
.chat-message--user .chat-bubble{color:var(--muted)}
.chat-bubble--thinking{
  display:flex;
  align-items:center;
  gap:2px;
  min-height:28px;
  color:var(--muted);
  font-size:13px;
  font-family:var(--font-mono);
}
.thinking-label{
  position:relative;
  background:linear-gradient(90deg,var(--muted) 0%,var(--text) 45%,var(--muted) 90%);
  background-size:220% 100%;
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  animation:thinking-sheen 1.25s ease-in-out infinite;
}
.thinking-dots{
  min-width:1.2em;
  color:var(--muted);
  animation:thinking-dots .9s ease-in-out infinite;
}
@keyframes thinking-sheen{
  0%{background-position:120% 0}
  100%{background-position:-120% 0}
}
@keyframes thinking-dots{
  0%,100%{opacity:.35;transform:translateX(0)}
  50%{opacity:1;transform:translateX(2px)}
}
@media (prefers-reduced-motion: reduce){
  .thinking-label,.thinking-dots{animation:none}
}
.chat-bubble.is-typing::after{
  content:"";
  display:inline-block;
  width:.46em;
  height:1em;
  margin-left:3px;
  vertical-align:-.12em;
  background:currentColor;
  opacity:.55;
  animation:typing-caret .72s steps(1,end) infinite;
}
@keyframes typing-caret{50%{opacity:.12}}
@media (prefers-reduced-motion: reduce){
  .chat-bubble.is-typing::after{animation:none}
}
.chat-project-link{display:inline-block;margin-top:9px;border-bottom:1px solid var(--line-strong);font-size:12px;cursor:pointer}
.suggestions{display:flex;flex-wrap:wrap;gap:7px;padding:0 24px 18px}
.suggestions button{border:1px solid var(--line);border-radius:999px;padding:8px 11px;color:var(--muted);font-size:11px;cursor:pointer}
.suggestions button:hover{color:var(--text);border-color:var(--line-strong)}
.query-form{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:17px 20px;border-top:1px solid var(--line);background:var(--bg)}
.prompt-mark{font:24px/1 var(--font-mono);color:var(--muted)}
.query-form input{width:100%;border:0;outline:0;background:none;font-size:clamp(18px,2.5vw,27px);letter-spacing:-.025em}
.query-form input::placeholder{color:color-mix(in srgb,var(--muted) 58%,transparent)}
.query-form button{border:1px solid var(--line);border-radius:999px;padding:9px 14px;cursor:pointer;font-size:11px}
.query-form button:hover{background:var(--text);color:var(--inverse);border-color:var(--text)}
.query-hint{padding:10px 20px 14px;font:10px/1.5 var(--font-mono);color:var(--muted)}
kbd{border:1px solid var(--line);border-bottom-color:var(--line-strong);border-radius:4px;padding:1px 4px;font:inherit}
.work-section{padding:0 0 130px}
.work-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.82fr);gap:clamp(50px,8vw,105px);padding-top:0;align-items:start}
.project-list{border-top:0}
.project-item{border-bottom:1px solid var(--line)}
.project-trigger{width:100%;display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:14px;padding:22px 0;text-align:left;cursor:pointer}
.project-num{font:10px/1 var(--font-mono);color:var(--muted)}
.project-main{display:flex;align-items:baseline;justify-content:space-between;gap:18px}
.project-main strong{font-size:clamp(25px,3vw,38px);letter-spacing:-.05em;font-weight:520}
.project-main small{font-size:11px;color:var(--muted);font-weight:400}
.project-arrow{font-size:18px;transition:transform .3s var(--ease)}
.project-item.is-active .project-arrow{transform:rotate(45deg)}
.project-item.is-active .project-main strong{color:var(--accent)}
.project-reveal{display:grid;grid-template-rows:0fr;transition:grid-template-rows .42s var(--ease)}
.project-reveal>div{overflow:hidden}
.project-item.is-active .project-reveal{grid-template-rows:1fr}
.project-reveal p{margin:0 0 24px 52px;max-width:610px;color:var(--muted);font-size:14px;line-height:1.55}
.project-reveal dl{margin:0 0 28px 52px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.project-reveal dl div{min-width:0}
.project-reveal dt{margin-bottom:6px;font:10px/1 var(--font-mono);text-transform:uppercase;color:var(--muted)}
.project-reveal dd{margin:0;font-size:11px;line-height:1.5}
.project-preview{position:sticky;top:28px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface);box-shadow:0 24px 70px var(--shadow)}
.preview-topline{height:42px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font:10px/1 var(--font-mono);color:var(--muted)}
.preview-screen{position:relative;min-height:390px;background:var(--surface-2)}
.preview-panel{position:absolute;inset:0;padding:18px;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .28s ease,transform .42s var(--ease)}
.preview-panel.is-visible{opacity:1;transform:none}
.tube-browser,.terminal-card,.diff-card{height:100%;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:var(--bg)}
.browser-bar{height:36px;display:flex;align-items:center;gap:6px;padding:0 10px;border-bottom:1px solid var(--line);font:9px/1 var(--font-mono);color:var(--muted)}
.browser-bar i{width:6px;height:6px;border-radius:50%;background:var(--muted);opacity:.5}
.browser-bar span{margin-left:6px}
.video-frame{height:calc(100% - 36px);position:relative;background:radial-gradient(circle at 65% 35%,color-mix(in srgb,var(--accent-2) 30%,transparent),transparent 28%),linear-gradient(145deg,#252525,#0e0e0e);overflow:hidden}
html[data-theme="light"] .video-frame{background:radial-gradient(circle at 65% 35%,rgba(79,101,255,.22),transparent 28%),linear-gradient(145deg,#d8d5ce,#aaa69e)}
.video-title{position:absolute;left:18px;bottom:16px;font:10px/1 var(--font-mono);color:var(--muted);letter-spacing:.12em}
.rating-card{position:absolute;right:14px;top:14px;display:grid;grid-template-columns:1fr 1fr;gap:7px 11px;background:var(--text);color:var(--inverse);padding:11px 12px;border-radius:9px;font-size:10px}
.rating-card b{grid-column:1/-1;font-size:17px}
.preview-proof{position:absolute;left:18px;right:18px;bottom:18px;display:flex;gap:6px;flex-wrap:wrap}
.preview-proof span{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 8px;font:9px/1 var(--font-mono);color:var(--muted)}
.terminal-card,.diff-card{padding:20px;font:11px/1.9 var(--font-mono)}
.terminal-card .ok,.diff-card .plus{color:var(--accent)}
.dim{color:var(--muted)}
.terminal-output{margin-top:18px;padding:12px;border:1px solid var(--line);border-radius:8px;color:var(--muted)}
.workflow-map{height:220px;border:1px solid var(--line);border-radius:11px;background:var(--bg);display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;padding:18px}
.flow-node{border:1px solid var(--line-strong);border-radius:999px;padding:9px 10px;font:10px/1 var(--font-mono)}
.workflow-map b{font-weight:400;color:var(--muted)}
.metrics-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.metrics-strip div{border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--bg)}
.metrics-strip b{display:block;font-size:24px;font-weight:400}
.metrics-strip span{font:9px/1.3 var(--font-mono);color:var(--muted)}
.preview-caption{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;min-height:60px;padding:12px 14px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
.preview-caption button{cursor:pointer;color:var(--text);font-size:10px}
.about-section{padding:0 0 125px}
.about-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(45px,8vw,110px);padding-top:48px}
.about-statement{margin:0;font-size:clamp(36px,5vw,70px);line-height:.98;letter-spacing:-.06em}
.about-copy{color:var(--muted);font-size:15px;line-height:1.65}
.about-copy p{margin:0 0 22px}
.footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:26px 0 38px;border-top:1px solid var(--line);font:10px/1.5 var(--font-mono);color:var(--muted)}
@media(max-width:940px){
  .hero{
    grid-template-columns:1fr;
    min-height:auto;
    padding:48px 0 86px;
  }
  .field-wrap{max-width:700px}
  .work-layout{grid-template-columns:1fr}
  .project-preview{position:relative;top:auto}
  .about-grid{grid-template-columns:1fr}
}
@media(max-width:650px){
  .shell,.demo-bar{width:min(calc(100% - 28px),var(--max))}
  .demo-bar{font-size:9px}
  .nav{align-items:flex-start;padding:17px 0}
  .nav-links{justify-content:flex-end;gap:11px}
  .nav-links>a:nth-child(1),.nav-links>a:nth-child(3){display:none}
  .hero{padding:36px 0 72px}
  .hero h1{font-size:clamp(54px,16vw,66px)}
  html[lang="ru"] .hero h1{font-size:clamp(43px,12.1vw,54px);letter-spacing:-.055em}
  html[lang="ru"] .hero h1 span{font-size:1em;letter-spacing:inherit}
  .field-canvas{height:340px}
  .chat-message{grid-template-columns:1fr;gap:3px}
  .chat-role{padding:0}
  .chat-log{padding:18px}
  .suggestions{padding:0 18px 16px}
  .query-form{grid-template-columns:auto 1fr;padding:15px}
  .query-form button{display:none}
  .project-trigger{grid-template-columns:28px minmax(0,1fr) auto}
  .project-main{display:block}
  .project-main small{display:block;margin-top:4px}
  .project-reveal p,.project-reveal dl{margin-left:42px}
  .project-reveal dl{grid-template-columns:1fr}
  .preview-screen{min-height:330px}
  .preview-caption{grid-template-columns:1fr}
  .about-statement{font-size:43px}
}
@media(min-width:941px) and (max-height:820px){
  .hero{
    min-height:calc(100svh - 130px);
    padding:24px 0 38px;
    gap:clamp(32px,5vw,64px);
  }
  .hero h1{font-size:clamp(60px,min(7.4vw,11vh),98px)}
  html[lang="ru"] .hero h1{font-size:clamp(52px,min(6.15vw,9.6vh),82px)}
  .hero-lede{margin-top:24px;font-size:clamp(15px,1.7vw,18px)}
  .hero-meta{margin-top:22px}
  .field-canvas{height:360px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}


/* Hybrid v2 refinements */
.query-section{padding-bottom:94px}
.query-box--compact{max-width:900px;margin-top:0}
.chat-log--compact{min-height:86px;max-height:260px;padding:16px 20px;gap:12px}
.chat-log--compact .chat-message{grid-template-columns:64px minmax(0,1fr)}
.chat-log--compact .chat-bubble{padding:5px 0;font-size:14px;line-height:1.5}
.query-box--compact .suggestions{padding:0 20px 12px}
.query-box--compact .query-form{padding:13px 16px}
.query-box--compact .query-form input{font-size:clamp(17px,2vw,22px)}
.query-box--compact .query-hint{padding:8px 16px 11px}
.chat-actions{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}
.chat-actions button{border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:var(--muted);font-size:10px;cursor:pointer}
.chat-actions button:hover{color:var(--text);border-color:var(--line-strong)}
.work-layout--single{display:block;padding-top:0}
.work-layout--single .project-list{max-width:900px}
.work-layout--single .project-reveal p{max-width:760px}
.project-actions{margin:0 0 28px 52px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.project-actions button,.project-actions a{border-bottom:1px solid var(--line-strong);padding:0 0 4px;cursor:pointer;font-size:11px;color:var(--muted)}
.project-actions button:hover,.project-actions a:hover{color:var(--text)}
@media(max-width:650px){
  .chat-log--compact .chat-message{grid-template-columns:1fr}
  .project-actions{margin-left:42px}
}


/* Hybrid v3: alignment, navigation controls, clean separators */
.nav-links a{position:relative}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:-5px;
  height:1px;
  background:currentColor;
  transition:right .24s var(--ease);
}
.nav-links a:hover::after{right:0}

.lang-toggle,.theme-toggle{
  width:35px;
  height:35px;
  border:1px solid var(--line);
  border-radius:50%;
  cursor:pointer;
  display:grid;
  place-items:center;
  padding:0;
  flex:0 0 auto;
}
.lang-toggle{
  width:42px;
  border-radius:999px;
  font:10px/1 var(--font-mono);
  color:var(--muted);
}
.lang-toggle:hover,.theme-toggle:hover{
  color:var(--text);
  border-color:var(--line-strong);
}
.theme-icon{
  width:17px;
  height:17px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.65;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.theme-icon--moon{display:none}
html[data-theme="light"] .theme-icon--sun{display:none}
html[data-theme="light"] .theme-icon--moon{display:block}

.field-fallback{
  position:relative;
  border-top:0 !important;
}
.field-fallback::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:1px;
  background:var(--line);
  pointer-events:none;
}
.field-canvas{
  margin:0;
  vertical-align:top;
}

.query-box--compact{
  max-width:none !important;
  width:100%;
}
.work-layout--single{
  width:100%;
}
.work-layout--single .project-list{
  max-width:none !important;
  width:100%;
}
.work-layout--single .project-reveal p{
  max-width:860px;
}
.work-layout--single .project-reveal dl{
  max-width:980px;
}

.ai-status-ready{color:var(--accent)!important}
.ai-status-loading{color:var(--muted)!important}
.ai-status-fallback{color:var(--muted)!important}

@media(max-width:650px){
  .nav-links{gap:9px}
  .lang-toggle{width:38px;height:34px}
  .theme-toggle{width:34px;height:34px}
}