/* KVANT LAB · живая студия агентов (круг 4, 02.11.2026) */
@font-face{font-family:"Manrope";src:url(../fonts/Manrope.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(../fonts/SpaceGrotesk.woff2) format("woff2");font-weight:300 700;font-display:swap}
:root{
  --ink:#0b0c11; --ink2:#1a1c24; --pearl:#eef0f6; --paper:#f7f8fb; --mute:#5b6070; --mute-d:#a4a9bb;
  --blue:#4b5cff; --cyan:#2fb8f0; --pink:#e04cc8; --orange:#ff8a3d; --violet:#8b5cff;
  --r:28px; --wrap:1240px; --gut:clamp(16px,4vw,40px);
  --f:"Manrope",system-ui,sans-serif; --fd:"Space Grotesk","Manrope",sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--ink)}
body{font-family:var(--f);color:var(--ink);background:transparent;line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

#world{position:fixed;inset:0;width:100vw;height:100vh;height:100lvh;z-index:0;display:block}
main,header,footer{position:relative;z-index:2}
#bubbles{position:fixed;inset:0;z-index:5;pointer-events:none}
#fx{position:fixed;inset:0;z-index:1;pointer-events:none}

/* ---------- жидкое стекло ---------- */
.glass{
  position:relative;border-radius:var(--r);
  background:linear-gradient(150deg,rgba(255,255,255,.62),rgba(255,255,255,.22) 55%,rgba(255,255,255,.34));
  -webkit-backdrop-filter:blur(22px) saturate(185%);backdrop-filter:blur(22px) saturate(185%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(255,255,255,.35),inset 0 0 0 1px rgba(255,255,255,.45),
    0 24px 60px -28px rgba(24,28,70,.38),0 2px 6px rgba(24,28,70,.06);
  isolation:isolate;
}
.glass::before{ /* радужная кромка */
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1.2px;pointer-events:none;z-index:-1;
  background:conic-gradient(from var(--a,120deg),rgba(255,255,255,.9),rgba(120,140,255,.55),rgba(255,120,210,.45),rgba(255,180,110,.45),rgba(255,255,255,.9));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
}
.glass::after{ /* блик сверху */
  content:"";position:absolute;inset:1px 1px 55% 1px;border-radius:calc(var(--r) - 1px) calc(var(--r) - 1px) 50% 50%/calc(var(--r) - 1px) calc(var(--r) - 1px) 18px 18px;
  background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,0));pointer-events:none;z-index:-1;opacity:.7
}
[data-theme=dark] .glass,.nav .glass,.glass.dark{
  background:linear-gradient(150deg,rgba(255,255,255,.14),rgba(255,255,255,.04) 60%,rgba(255,255,255,.08));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),inset 0 0 0 1px rgba(255,255,255,.12),0 30px 70px -30px rgba(0,0,0,.6);
}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 22px;border-radius:16px;font:600 15px/1 var(--f);letter-spacing:-.01em;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s;white-space:nowrap;cursor:pointer;border:0;will-change:transform}
.btn .arr{font:500 22px/1 var(--fd);transform:translateY(-1px);transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translate(4px,-1px)}
.btn-cta{color:#fff;background:linear-gradient(135deg,#5d6bff 0%,#4b5cff 45%,#8b5cff 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45),inset 0 -2px 6px rgba(20,10,80,.35),0 14px 34px -12px rgba(75,92,255,.75)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),inset 0 -2px 6px rgba(20,10,80,.35),0 20px 44px -12px rgba(75,92,255,.9)}
.btn-glass{color:#fff;background:rgba(255,255,255,.08);-webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),inset 0 0 0 1px rgba(255,255,255,.16)}
.btn-glass:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-ink{color:#fff;background:var(--ink);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 14px 30px -14px rgba(11,12,17,.6)}
.btn-ink:hover{transform:translateY(-2px)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:8px}

/* ---------- шапка: стеклянная капсула ---------- */
.nav{position:fixed;top:14px;left:50%;transform:translateX(-50%);width:min(1180px,calc(100% - 24px));height:64px;z-index:20;
  display:flex;align-items:center;gap:18px;padding:0 10px 0 22px;border-radius:22px;color:#fff;
  background:linear-gradient(150deg,rgba(18,20,30,.62),rgba(18,20,30,.42));-webkit-backdrop-filter:blur(20px) saturate(170%);backdrop-filter:blur(20px) saturate(170%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22),inset 0 0 0 1px rgba(255,255,255,.1),0 20px 50px -24px rgba(0,0,0,.55)}
.nav-logo img{height:34px;width:auto}
.nav-links{display:flex;gap:4px;margin-left:14px}
.nav-links a{font:500 14px/1 var(--f);padding:10px 12px;border-radius:12px;color:rgba(255,255,255,.78);transition:background .3s,color .3s}
.nav-links a:hover,.nav-links a.on{background:rgba(255,255,255,.1);color:#fff}
.nav-status{margin-left:auto;display:flex;align-items:center;gap:8px;font:500 13px/1 var(--f);color:rgba(255,255,255,.75)}
.nav-status b{width:8px;height:8px;border-radius:50%;background:#46e39b;box-shadow:0 0 0 0 rgba(70,227,155,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(70,227,155,.55)}70%{box-shadow:0 0 0 9px rgba(70,227,155,0)}100%{box-shadow:0 0 0 0 rgba(70,227,155,0)}}
.nav-cta{height:46px;border-radius:14px;font-size:14px}
.nav-burger{display:none;margin-left:auto;width:46px;height:46px;border-radius:14px;border:0;background:rgba(255,255,255,.1);cursor:pointer;position:relative}
.nav-burger span{position:absolute;left:14px;right:14px;height:2px;background:#fff;border-radius:2px;transition:transform .35s var(--ease)}
.nav-burger span:first-child{top:18px}.nav-burger span:last-child{top:26px}
.nav-burger[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-burger[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}
.menu-sheet{position:fixed;top:86px;left:12px;right:12px;z-index:19;padding:14px;border-radius:22px;display:grid;gap:4px;color:#fff;
  background:rgba(14,16,24,.82);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.menu-sheet[hidden]{display:none}
.menu-sheet a{padding:14px 12px;font:600 18px/1 var(--f);border-radius:12px}
.menu-sheet .btn{justify-content:center;margin-top:8px}

/* ---------- общие заголовки ---------- */
.kicker{font:500 12px/1 var(--fd);letter-spacing:.14em;color:var(--mute);margin-bottom:18px}
[data-theme=dark] .kicker{color:var(--mute-d)}
h2{font:700 clamp(32px,4.4vw,60px)/1.02 var(--f);letter-spacing:-.035em;max-width:16ch}
.sec-head{margin-bottom:clamp(36px,5vw,64px)}
.sec-sub{font:500 clamp(16px,1.3vw,19px)/1.5 var(--f);color:var(--mute);max-width:52ch;margin-top:18px}
[data-theme=dark] .sec-sub{color:var(--mute-d)}
section{position:relative}
[data-theme=dark]{color:#fff}

/* ---------- 1. первый экран ---------- */
.hero{min-height:100vh;min-height:100svh;padding:120px 0 40px;overflow:hidden}
.hero-type{position:absolute;left:var(--gut);right:var(--gut);top:clamp(96px,13vh,140px);display:flex;align-items:flex-end;gap:.08em;
  font:700 clamp(84px,17.5vw,290px)/.8 var(--fd);letter-spacing:-.065em;color:#fff;pointer-events:none;user-select:none;max-width:1500px;margin:0 auto}
.hero-type .w1{background:linear-gradient(180deg,#fff 30%,rgba(255,255,255,.55));-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 20px 60px rgba(75,92,255,.25))}
.hero-type .w2{position:relative;display:inline-block;padding:.02em .1em .1em;border-radius:.16em;transform-origin:50% 100%;
  background:linear-gradient(150deg,rgba(255,255,255,.18),rgba(255,255,255,.03) 60%,rgba(255,255,255,.1));
  -webkit-backdrop-filter:blur(14px) saturate(180%);backdrop-filter:blur(14px) saturate(180%);
  box-shadow:inset 0 2px 0 rgba(255,255,255,.4),inset 0 0 0 1.5px rgba(255,255,255,.18),inset 0 -14px 40px rgba(120,140,255,.18),0 40px 90px -40px rgba(75,92,255,.7)}
.hero-type .w2-in{background:linear-gradient(100deg,#c9d0ff,#fff 35%,#ffd1f2 70%,#ffc59a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-type .w2.hit{animation:wob .9s var(--ease)}
@keyframes wob{0%{transform:none}20%{transform:rotate(-4deg) scale(1.03,.96)}45%{transform:rotate(3deg)}70%{transform:rotate(-1deg)}100%{transform:none}}
.hero-copy{position:absolute;left:0;right:0;bottom:clamp(70px,10vh,120px);max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.hero-copy>*{max-width:560px}
.hero h1{font:700 clamp(28px,3vw,44px)/1.08 var(--f);letter-spacing:-.03em;color:#fff}
.hero .lead{font:500 clamp(16px,1.25vw,18px)/1.5 var(--f);color:var(--mute-d);margin:16px 0 28px}
.hero-stage{position:absolute;right:max(var(--gut),calc(50% - 640px));bottom:8vh;width:40vw;max-width:560px;height:56vh}
.hero-foot{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;
  font:500 11px/1 var(--fd);letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.hero-foot i{width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.6),transparent);animation:drip 2.4s var(--ease) infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 2. команда ---------- */
.team{padding:clamp(110px,14vw,180px) 0 clamp(40px,5vw,70px)}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.agent-card{display:flex;flex-direction:column;cursor:pointer}
.agent-card .stage{height:clamp(230px,22vw,300px)}
.agent-card .plate{padding:22px 22px 20px;margin-top:-6px;transition:transform .5s var(--ease)}
.agent-card:hover .plate{transform:translateY(-4px)}
.plate-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.plate-top b{font:700 22px/1 var(--f);letter-spacing:-.02em}
.tag{font:600 11px/1 var(--fd);letter-spacing:.08em;text-transform:uppercase;padding:7px 9px;border-radius:9px;color:var(--c);
  background:color-mix(in srgb,var(--c) 12%,transparent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c) 30%,transparent)}
.plate p{font:500 15px/1.45 var(--f);color:#3d4250}
.now{display:flex;align-items:center;gap:8px;margin-top:14px;font:500 12px/1 var(--fd);color:var(--mute);letter-spacing:.02em}
.now i{width:7px;height:7px;border-radius:50%;background:#2fcf86}

/* ---------- 3. сайты ---------- */
.pin{height:320vh}
.pin .sticky{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;overflow:hidden}
.web-in{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:clamp(30px,5vw,80px);align-items:center;width:100%}
.progress{margin-top:34px;display:flex;align-items:center;gap:14px;font:500 13px/1 var(--fd);color:var(--mute)}
.progress i{position:relative;width:160px;height:6px;border-radius:6px;background:rgba(11,12,17,.08);overflow:hidden}
.progress i::after{content:"";position:absolute;inset:0;transform-origin:left;transform:scaleX(var(--p,0));background:linear-gradient(90deg,var(--cyan),var(--blue))}
.progress b{color:var(--ink)}
.build{position:relative;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:14px;width:min(440px,54%)}
.slot{border-radius:var(--r);border:1.5px dashed rgba(11,12,17,.16);min-height:clamp(170px,14vw,200px);background:rgba(255,255,255,.2)}
.tile{position:absolute;padding:20px;display:flex;flex-direction:column;gap:8px;will-change:transform}
.tile .n,.node .n,.task .n{font:500 12px/1 var(--fd);letter-spacing:.1em;color:var(--mute)}
.tile b{font:700 clamp(22px,2vw,28px)/1.05 var(--f);letter-spacing:-.03em;margin-top:auto}
.tile p{font:500 13px/1.42 var(--f);color:#3d4250}
.tile.placed{box-shadow:inset 0 1px 0 rgba(255,255,255,.95),inset 0 0 0 1px rgba(255,255,255,.5),0 24px 60px -28px rgba(47,184,240,.55),0 0 0 1px rgba(47,184,240,.18)}

/* ---------- 4. автоматизация ---------- */
.auto .sticky{align-items:center}
.auto .sec-head{margin-bottom:28px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.node{padding:22px;min-height:170px;display:flex;flex-direction:column;gap:8px;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.node b{font:700 20px/1.1 var(--f);letter-spacing:-.02em;margin-top:auto}
.node p{font:500 14px/1.4 var(--f);color:#3d4250}
.node.lit{transform:translateY(-6px);box-shadow:inset 0 1px 0 rgba(255,255,255,.95),inset 0 0 0 1px rgba(255,255,255,.5),0 26px 60px -24px rgba(224,76,200,.55)}
.node.lit .n{color:var(--pink)}
.node.done{box-shadow:inset 0 1px 0 rgba(255,255,255,.95),inset 0 0 0 1.5px rgba(47,207,134,.55),0 26px 60px -24px rgba(47,207,134,.6)}
.lane{position:relative;height:clamp(150px,19vh,210px)}
.lane-line{position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,rgba(11,12,17,.14) 8%,rgba(11,12,17,.14) 92%,transparent)}
.chips{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.chip{--r:18px;padding:14px 16px;font:500 14px/1.4 var(--f);color:#3d4250}
.chip b{color:var(--ink)}

/* ---------- 5. подход ---------- */
.approach{padding:clamp(100px,12vw,160px) 0}
.ap-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(30px,5vw,70px)}
.step{position:relative;padding:28px 28px 28px 32px;border-radius:var(--r);margin-bottom:14px;transition:background .6s var(--ease),box-shadow .6s var(--ease),opacity .6s;opacity:.45}
.step .n{font:500 12px/1 var(--fd);letter-spacing:.12em;color:var(--mute)}
.step h3{font:700 clamp(22px,2.1vw,30px)/1.1 var(--f);letter-spacing:-.03em;margin:12px 0 10px}
.step p{font:500 16px/1.5 var(--f);color:#3d4250;max-width:46ch}
.step::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;background:var(--orange);transform:scaleY(0);transition:transform .6s var(--ease)}
.step.on{opacity:1;background:linear-gradient(100deg,rgba(255,255,255,.75),rgba(255,255,255,.25));box-shadow:inset 0 1px 0 #fff,0 24px 60px -30px rgba(255,138,61,.45);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.step.on::before{transform:scaleY(1)}
.ap-sticky{position:sticky;top:12vh;height:76vh;display:flex;flex-direction:column;justify-content:flex-end}
.ap-stage{flex:1}
.ap-plate{--r:24px;height:86px;display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.ap-count{font:500 15px/1 var(--fd);color:var(--mute)}.ap-count b{font:700 34px/1 var(--fd);color:var(--ink);letter-spacing:-.04em}
.ap-label{font:600 14px/1 var(--f);color:var(--mute)}

/* ---------- 6. задачи ---------- */
.tasks{padding:clamp(60px,8vw,120px) 0 clamp(70px,7vw,110px)}
.bento{display:grid;grid-template-columns:1.25fr 1fr 1fr;grid-template-rows:auto auto;gap:18px;margin-top:150px}
.task{padding:28px;display:flex;flex-direction:column;gap:10px;min-height:250px;cursor:pointer;transition:transform .5s var(--ease)}
.task:hover{transform:translateY(-4px)}
.task:nth-child(1){grid-row:span 2;min-height:520px}
.task:nth-child(4){grid-column:span 2}
.task h3{font:700 clamp(24px,2.2vw,32px)/1.05 var(--f);letter-spacing:-.03em;margin-top:auto}
.task p{font:500 15px/1.5 var(--f);color:#3d4250;max-width:40ch}
.task .meta{font:500 11px/1 var(--fd);letter-spacing:.12em;color:var(--mute);margin-top:6px}
.perch{position:absolute;left:0;width:0;top:0;height:0}
.task:nth-child(1) .perch{left:66%}.task:nth-child(1) .perch.p2{left:24%}.task:nth-child(2) .perch,.task:nth-child(3) .perch{left:40%}.task:nth-child(4) .perch{left:62%}

/* ---------- 7. финал ---------- */
.final{padding:clamp(110px,13vw,170px) 0 28px;overflow:hidden;color:#fff;min-height:100vh}
.final h2{max-width:18ch}
.final .row{margin-top:32px}
.final-stage{height:clamp(190px,22vw,290px);position:relative}
.giant{font:700 clamp(80px,19vw,330px)/.78 var(--fd);letter-spacing:-.07em;text-align:center;white-space:nowrap;
  background:linear-gradient(180deg,rgba(255,255,255,.95),rgba(255,255,255,.12) 92%);-webkit-background-clip:text;background-clip:text;color:transparent;user-select:none;margin-top:-8px}
.foot{display:flex;flex-wrap:wrap;gap:16px 28px;justify-content:space-between;align-items:center;padding-top:34px;margin-top:30px;border-top:1px solid rgba(255,255,255,.1);
  font:500 13px/1 var(--f);color:var(--mute-d)}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}
.foot a:hover{color:#fff}

/* ---------- реплики агентов ---------- */
.bub{position:absolute;left:0;top:0;transform:translate(-50%,-100%) scale(.85);opacity:0;transition:opacity .35s,transform .45s var(--ease);
  padding:10px 14px;border-radius:16px 16px 16px 6px;font:600 13px/1.3 var(--f);color:var(--ink);white-space:nowrap;max-width:260px;
  background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(14px) saturate(170%);backdrop-filter:blur(14px) saturate(170%);
  box-shadow:inset 0 1px 0 #fff,inset 0 0 0 1px rgba(255,255,255,.6),0 14px 34px -14px rgba(20,24,60,.45)}
.bub.on{opacity:1;transform:translate(-50%,-100%) scale(1)}
.bub i{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:7px;background:var(--c);vertical-align:1px}
.bub.dark{background:rgba(22,24,34,.72);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.2),inset 0 0 0 1px rgba(255,255,255,.12),0 14px 34px -14px rgba(0,0,0,.6)}

/* ---------- заставка ---------- */
#loader{position:fixed;inset:0;z-index:50;background:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;color:#fff;
  transition:clip-path 1.1s cubic-bezier(.7,0,.2,1),opacity .4s 1s;clip-path:circle(150% at 50% 50%)}
.seen #loader{display:none}
#loader.out{clip-path:circle(0% at 50% 46%);opacity:0}
.ld-cubes{position:relative;width:96px;height:96px}
.ld-cubes i{position:absolute;width:34px;height:34px;border-radius:10px;opacity:0;
  background:linear-gradient(150deg,rgba(160,175,255,.55),rgba(75,92,255,.18));box-shadow:inset 0 1px 0 rgba(255,255,255,.6),inset 0 0 0 1px rgba(255,255,255,.25),0 10px 30px -8px rgba(75,92,255,.8);
  animation:cube .7s var(--ease) forwards}
.ld-cubes i:nth-child(1){left:6px;top:4px;animation-delay:.15s}
.ld-cubes i:nth-child(2){left:44px;top:31px;animation-delay:.42s}
.ld-cubes i:nth-child(3){left:6px;top:58px;animation-delay:.69s}
@keyframes cube{0%{opacity:0;transform:translateY(-40px) rotate(-30deg) scale(.6)}60%{opacity:1;transform:translateY(4px) rotate(4deg) scale(1.05)}100%{opacity:1;transform:none}}
.ld-word{font:700 22px/1 var(--fd);letter-spacing:.32em;opacity:0;animation:fadeup .7s 1s var(--ease) forwards}
.ld-note{font:500 12px/1 var(--fd);letter-spacing:.18em;color:var(--mute-d);opacity:0;animation:fadeup .7s 1.25s var(--ease) forwards;text-transform:uppercase}
@keyframes fadeup{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- появление ---------- */
.js .rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .rv.in{opacity:1;transform:none}
.js .hero-copy>*{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .hero-type span.w1,.js .hero-type .w2{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.ready .hero-copy>*,.ready .hero-type span.w1,.ready .hero-type .w2{opacity:1;transform:none}
.ready .hero-copy>*:nth-child(2){transition-delay:.08s}.ready .hero-copy>*:nth-child(3){transition-delay:.16s}.ready .hero-copy>*:nth-child(4){transition-delay:.24s}
.ready .hero-type .w2{transition-delay:.12s}

/* ---------- телефон ---------- */
@media (max-width:1080px){
  .nav-links{display:none}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .web-in{grid-template-columns:1fr}
  .build{width:min(440px,58%)}
  .chips{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav{height:58px;top:10px;padding:0 6px 0 16px;gap:10px}
  .nav-status,.nav-cta{display:none}
  .nav-burger{display:block}
  .nav-logo img{height:22px}
  .hero{padding-top:96px}
  .hero-type{top:96px;font-size:clamp(64px,21vw,120px);flex-wrap:wrap;gap:.04em .08em}
  .hero-stage{right:0;left:auto;width:56vw;height:min(30vh,260px);bottom:auto;top:calc(96px + 29vw)}
  .hero-foot{display:none}
  .hero-copy{bottom:64px}
  .hero h1{font-size:27px}
  .hero .lead{font-size:15px;margin:12px 0 20px}
  .hero .row .btn{flex:1;justify-content:center;padding:0 14px}
  .team-grid{gap:12px}
  .agent-card .stage{height:170px}
  .agent-card .plate{padding:14px}
  .plate-top{flex-direction:column;align-items:flex-start}
  .plate-top b{font-size:18px}
  .plate p{font-size:13px}
  .now{font-size:11px}
  .pin{height:300vh}
  .web-in{gap:22px}
  .web-copy .sec-sub{display:none}
  .web-copy .row{display:none}
  .progress{margin-top:16px}
  .build{gap:8px;width:57%}
  .slot{min-height:104px}
  .tile{padding:12px;gap:2px;--r:18px}
  .tile p{display:none}
  .tile b{font-size:17px}
  .flow{grid-template-columns:1fr 1fr;gap:10px}
  .node{min-height:120px;padding:14px;--r:20px}
  .node b{font-size:16px}.node p{font-size:12px}
  .auto .sec-sub{display:none}
  .lane{height:150px}
  .chips{display:none}
  .ap-in{grid-template-columns:1fr}
  .ap-side{position:absolute;inset:0;pointer-events:none}
  .ap-sticky{position:sticky;top:auto;bottom:0;height:100vh;justify-content:flex-end;align-items:flex-end;padding:0 0 20px}
  .ap-stage{width:120px;flex:0 0 150px}
  .ap-plate{display:none}
  .step{padding:22px 20px;margin-right:96px}
  .step p{font-size:14px}
  .bento{grid-template-columns:1fr;margin-top:120px;gap:140px}
  .task:nth-child(1){grid-row:auto;min-height:250px}.task:nth-child(4){grid-column:auto}
  .giant{font-size:19.5vw}
  .foot{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  #loader{display:none}
  .js .rv,.js .hero-copy>*,.js .hero-type span{opacity:1!important;transform:none!important;transition:none!important}
}

.web-copy h2{font-size:clamp(30px,3.2vw,48px)}
.task .big{position:absolute;right:26px;top:6px;font:700 clamp(120px,15vw,230px)/1 var(--fd);letter-spacing:-.07em;pointer-events:none;
  background:linear-gradient(160deg,rgba(75,92,255,.28),rgba(224,76,200,.18) 50%,rgba(255,138,61,.12));-webkit-background-clip:text;background-clip:text;color:transparent}
@media (max-width:760px){.task .big{display:none}}

/* ===== симбиоз: барьер со щелью света ===== */
.hero.pin{height:220vh;min-height:0;padding:0;overflow:visible}
.hero.pin+.approach{margin-top:-100vh;position:relative;padding-top:clamp(40px,5vw,70px)}
.hero.pin .sticky{display:block;overflow:clip}
.hero .hero-copy{position:absolute;left:0;right:0;top:50%;bottom:auto;transform:translateY(-46%);max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);
  transition:opacity .2s linear;will-change:opacity}
.hero .hero-copy>*{max-width:640px}
.hero h1{font:300 clamp(34px,3.9vw,60px)/1.06 var(--f);letter-spacing:-.035em;color:#fff;max-width:none}
.hero .lead{font:500 clamp(18px,1.5vw,22px)/1.45 var(--f);color:#e7e9f2;margin:22px 0 6px}
.hero .lead-en{font:500 12px/1.4 var(--fd);letter-spacing:.06em;color:var(--mute-d);margin-bottom:30px}
.kicker .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blue);margin-right:9px;vertical-align:1px;box-shadow:0 0 12px var(--blue)}
.hero .hero-stage{position:absolute;inset:0;width:auto;height:auto;max-width:none;right:0;bottom:0;pointer-events:none}
.hero .hero-foot span{font:500 11px/1 var(--fd);letter-spacing:.14em}
.btn-line{color:var(--ink);background:rgba(255,255,255,.55);box-shadow:inset 0 0 0 1px rgba(11,12,17,.14);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn-line:hover{transform:translateY(-2px);background:rgba(255,255,255,.8)}
.web-copy .row{flex-wrap:wrap;gap:10px}
.web-copy .sec-sub{font-size:16px}
.tile b{font-size:clamp(15px,1.25vw,19px);line-height:1.15}
.tile p{font-size:12.5px}

/* кто мы */
.studio-head{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(24px,4vw,64px);align-items:end}
.studio-head h2{max-width:15ch}
.studio-head .sec-sub{margin-top:0;margin-bottom:14px}.studio-head .sec-sub b{color:var(--ink)}
.studio-head .kicker{grid-column:1/-1;margin-bottom:-6px}
.stack{margin-top:22px;padding:26px 28px;--r:24px}
.stack .kicker{margin-bottom:14px}
.stack dl{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.stack dt{font:700 15px/1.2 var(--f);color:var(--ink);margin-bottom:6px}
.stack dd{font:500 13px/1.45 var(--f);color:var(--mute)}

/* вопросы */
.faq{padding:clamp(60px,8vw,120px) 0 clamp(90px,10vw,150px)}
.faq-in{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(24px,4vw,64px);align-items:start}
.faq .sec-head{position:sticky;top:120px}
.faq-list{display:grid;gap:10px}
.qa{--r:18px;padding:0}
.qa summary{list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font:600 17px/1.35 var(--f);color:var(--ink);position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);font:400 26px/1 var(--fd);color:var(--blue);transition:transform .35s var(--ease)}
.qa[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.qa p{padding:0 22px 22px;font:500 15px/1.6 var(--f);color:var(--mute);max-width:62ch}

/* подвал как на kvant-lab.com */
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding-top:34px;padding-bottom:30px;border-top:1px solid rgba(255,255,255,.12);margin-top:10px}
.foot-grid>div{display:flex;flex-direction:column;gap:9px;align-items:flex-start}
.foot-grid a:not(.btn){color:#d9dcea;font:500 14px/1.4 var(--f);text-decoration:none}.foot-grid a:not(.btn):hover{color:#fff}
.foot-claim{font:600 clamp(20px,1.8vw,26px)/1.25 var(--f);color:#fff;margin-bottom:14px;max-width:18ch}
.final .foot{border-top:0;padding-top:0}

@media (max-width:1000px){
  .stack dl{grid-template-columns:repeat(2,1fr)}
  .faq-in{grid-template-columns:1fr}.faq .sec-head{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .hero.pin{height:220vh}
  .hero .hero-copy{top:92px;bottom:auto;transform:none}
  .hero h1{font-size:clamp(30px,8.6vw,40px)}
  .hero .lead{font-size:16px;margin-top:14px}
  .hero .row .btn{flex:1;justify-content:center;padding:0 12px;font-size:14px}
  .studio-head{grid-template-columns:1fr}
  .web-copy .row .btn-line{display:none}
  .stack dl{grid-template-columns:1fr 1fr;gap:14px}
  .foot-grid{grid-template-columns:1fr;gap:22px}
}

.auto h2{max-width:none}
.auto .sec-sub{max-width:72ch}
@media (min-width:761px){
  .web-in{grid-template-columns:.8fr 1.2fr}
  .build{width:min(580px,64%)}
  .slot{min-height:clamp(220px,17vw,250px)}
  .tile{padding:18px}
}
@media (max-width:760px){
  .hero.pin+.approach{margin-top:-98vh}
  .hero h1{font-size:clamp(27px,7.3vw,40px)}
  .hero h1,.hero .lead,.hero .hero-copy p{max-width:calc(100% - 58px)}
  .build{width:80%;gap:8px}
  .slot{min-height:122px}
  .tile b{font-size:16px}
}
@media (min-width:761px){.hero .lead{max-width:500px}}