/* SyncUp — главная. Главы с крупной типографикой и живой графикой вместо скриншотов. */
.home main{overflow-x:clip}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;margin-top:-72px;padding:150px 0 110px;isolation:isolate;overflow:hidden}
.hero-in{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center;width:100%}
.ver-chip{display:inline-flex;align-items:center;gap:10px;height:38px;padding:0 14px 0 6px;border-radius:999px;background:rgba(14,15,18,.7);border:1px solid var(--line2);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:14px;color:var(--t2);transition:border-color .2s,color .2s;max-width:100%}
.ver-chip:hover{border-color:rgba(155,225,93,.45);color:var(--t1)}
.ver-chip b{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:rgba(155,225,93,.16);color:var(--acc);font-weight:600;font-size:12.5px;flex:none}
.ver-chip span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.ver-chip svg{width:15px;height:15px;flex:none;transition:transform .2s var(--ease)}
.ver-chip:hover svg{transform:translateX(3px)}
.hero-title{font-size:clamp(38px,8.4vw,124px);margin:30px 0 26px;line-height:.98}
.hero-title .ln{display:block}
.hero-lead{margin:0 auto;font-size:clamp(17px,1.6vw,20px);max-width:620px}
.hero-cta{margin-top:40px;display:flex;flex-direction:column;align-items:center;gap:16px}
.hero-meta{font-size:14px;color:var(--t3)}

/* ---------- главы ---------- */
.chapter{padding-top:130px;padding-bottom:130px}
.ch-num{display:inline-block;font-family:var(--display);font-weight:600;font-size:14px;letter-spacing:.08em;color:var(--acc);padding-bottom:10px;margin-bottom:26px;border-bottom:1px solid rgba(155,225,93,.35)}
.chapter h2.h-display{font-size:clamp(34px,4.6vw,64px);margin:0 0 24px;text-wrap:balance}
.chapter .lead{margin:0}

/* 01 — поиск */
.ch-search{display:grid;grid-template-columns:1fr 1.05fr;gap:72px;align-items:center}
.merge{position:relative;aspect-ratio:400/300;width:100%;max-width:560px;justify-self:end}
.merge-lines{position:absolute;left:0;top:0;width:100%;height:86.6%;overflow:visible}
.merge-lines path{fill:none;stroke:rgba(255,255,255,.14);stroke-width:2;stroke-dasharray:6 8;vector-effect:non-scaling-stroke}
.merge.in .merge-lines path{animation:flow 1.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-28}}
.merge-src,.merge-dst{position:absolute;display:grid;place-items:center;border-radius:28%;background:var(--s1);border:1px solid var(--line2);box-shadow:0 20px 50px rgba(0,0,0,.45)}
.merge-src{width:19%;aspect-ratio:1;transform:translate(-50%,-50%)}
.merge-src .ic{width:58%;height:58%}
.s-yt{left:15%;top:20%}
.s-sc{left:15%;top:66.6%}
.merge-dst{width:26%;aspect-ratio:1;left:85%;top:43.3%;transform:translate(-50%,-50%);background:radial-gradient(circle at 50% 30%,#1b2414,#0c0e0b);border-color:rgba(155,225,93,.35);box-shadow:0 0 0 10px rgba(155,225,93,.05),0 0 70px rgba(132,197,80,.28)}
.merge-dst img{width:62%;height:auto}
.merge-dst::after{content:'';position:absolute;inset:-2px;border-radius:inherit;border:2px solid rgba(155,225,93,.4);opacity:0;pointer-events:none}
.merge.in .merge-dst::after{animation:pulse 2.4s var(--ease) infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.35);opacity:0}}
.query{position:absolute;left:4%;right:4%;bottom:0;height:54px;border-radius:999px;background:var(--s1);border:1px solid var(--line2);display:flex;align-items:center;padding:0 22px 0 50px;font-size:16px;color:var(--t1);white-space:nowrap;overflow:hidden}
.query::before{content:'';position:absolute;left:20px;top:50%;width:14px;height:14px;margin-top:-9px;border:2px solid var(--t3);border-radius:50%}
.query::after{content:'';position:absolute;left:33px;top:50%;width:7px;height:2px;margin-top:5px;background:var(--t3);transform:rotate(45deg)}
.query i{display:inline-block;width:2px;height:20px;margin-left:2px;background:var(--acc);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* 02 — ВК */
.ch-vk{position:relative;background:linear-gradient(180deg,transparent,rgba(14,15,18,.9) 18%,rgba(14,15,18,.9) 82%,transparent)}
.vk-in{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.vk-big{font-family:var(--display);font-weight:800;line-height:.85;letter-spacing:-.06em;display:flex;flex-direction:column}
.vk-big span{font-size:clamp(110px,17vw,250px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.vk-big small{font-size:clamp(22px,2.4vw,34px);font-weight:600;letter-spacing:-.03em;color:var(--t2);margin-top:18px;padding-left:.2em}

/* 03 — вместе */
.ch-together{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.orbit{position:relative;width:100%;max-width:440px;aspect-ratio:1;justify-self:start}
.orbit-ring{position:absolute;border-radius:50%;border:1px dashed rgba(255,255,255,.12)}
.orbit-ring.r1{inset:0}
.orbit-ring.r2{inset:21%;border-style:solid;border-color:rgba(155,225,93,.18)}
.orbit-core{position:absolute;inset:39%;border-radius:50%;background:var(--grad);box-shadow:0 0 60px rgba(132,197,80,.45)}
.orbit-core::after{content:'';position:absolute;inset:34%;border-radius:50%;background:var(--bg)}
.ava{position:absolute;width:15%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:clamp(15px,1.6vw,22px);color:#0b0c0e;transform:translate(-50%,-50%);box-shadow:0 0 0 6px var(--bg)}
.a1{left:50%;top:0;background:#c6f36b}
.a2{left:100%;top:50%;background:#a48bff}
.a3{left:50%;top:100%;background:#ff7ac6}
.a4{left:21%;top:50%;background:#ffd166}
.orbit.in{animation:spin 40s linear infinite}
.orbit.in .ava{animation:unspin 40s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes unspin{from{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(-360deg)}}

/* 04 — текст песни */
.ch-lyrics{text-align:center}
.ch-lyrics .ch-num{margin-bottom:46px}
.lyr{display:flex;flex-direction:column;align-items:center;gap:6px}
.lyr p{margin:0;font-family:var(--display);font-weight:700;letter-spacing:-.04em;line-height:1.12;font-size:clamp(28px,4.6vw,64px);color:rgba(255,255,255,.14);transition:color .6s var(--ease),transform .6s var(--ease);text-wrap:balance}
.lyr p.on{color:var(--t1);transform:scale(1.03)}
.lyr p.past{color:rgba(255,255,255,.28)}
.lyr-cap{margin:52px auto 0!important}

/* 05 — мелочи */
.more-head{margin-bottom:48px}
.more-head h2.h-display{margin:0}
.more-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tile{position:relative;padding:26px 24px 28px;border-radius:var(--r);background:var(--s1);border:1px solid var(--line);display:flex;flex-direction:column;min-height:300px;overflow:hidden;transition:border-color .25s,transform .25s var(--ease)}
.tile:hover{border-color:var(--line2);transform:translateY(-3px)}
.tile h3{margin:auto 0 8px;font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.03em;line-height:1.2}
.tile p{margin:0;color:var(--t2);font-size:15px;line-height:1.5}
.tile>svg,.tile>div{margin-bottom:28px}
.eq-art{width:100%;height:110px;display:block}
.eq-line{stroke-dasharray:420;stroke-dashoffset:420}
.t-eq.in .eq-line{animation:draw 1.6s var(--ease) .3s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.pill-art{height:110px;display:flex;align-items:center;justify-content:center}
.pill-art{position:relative}
.pill-art::before{content:'';position:absolute;width:150px;height:40px;border-radius:999px;background:#000;border:1px solid var(--line2);box-shadow:0 10px 30px rgba(0,0,0,.5);transition:width .5s var(--ease),height .5s var(--ease),border-radius .5s var(--ease)}
.t-island:hover .pill-art::before{width:100%;height:76px;border-radius:24px}
.pill-art i{position:relative;width:24px;height:24px;border-radius:50%;background:conic-gradient(#c6f36b,#84c550,#a48bff,#c6f36b);margin-right:auto;margin-left:calc(50% - 63px);transition:margin .5s var(--ease),width .5s,height .5s,border-radius .5s}
.t-island:hover .pill-art i{margin-left:14px;width:50px;height:50px;border-radius:12px}
.pill-art b{display:none}
.pill-art em{position:relative;display:flex;gap:3px;align-items:flex-end;height:16px;margin-right:calc(50% - 63px);transition:margin .5s var(--ease)}
.t-island:hover .pill-art em{margin-right:18px}
.pill-art s{display:block;width:3px;border-radius:2px;background:var(--acc);animation:bar 1s ease-in-out infinite}
.pill-art s:nth-child(1){height:60%;animation-delay:-.2s}.pill-art s:nth-child(2){height:100%;animation-delay:-.5s}.pill-art s:nth-child(3){height:45%;animation-delay:-.1s}.pill-art s:nth-child(4){height:80%;animation-delay:-.7s}
@keyframes bar{50%{transform:scaleY(.35)}}
.pill-art s{transform-origin:bottom}
.swatches{height:110px;position:relative}
.swatches span{position:absolute;top:10px;width:84px;height:84px;border-radius:24px;border:1px solid var(--line2);box-shadow:0 12px 28px rgba(0,0,0,.4);transition:transform .45s var(--ease)}
.sw-1{left:0;background:linear-gradient(145deg,#24262b,#15161a)}
.sw-2{left:46px;background:linear-gradient(145deg,#0a0a0a,#000)}
.sw-3{left:92px;background:linear-gradient(145deg,#ffffff,#e9ebe6)}
.t-themes:hover .sw-1{transform:translateX(-6px) rotate(-6deg)}
.t-themes:hover .sw-3{transform:translateX(10px) rotate(6deg)}
.sync-art{height:110px;position:relative}
.sync-art span{position:absolute;bottom:14px;width:68px;height:46px;border-radius:8px;border:2px solid var(--t3)}
.sync-art span::after{content:'';position:absolute;left:50%;bottom:-12px;width:30px;height:4px;margin-left:-15px;border-radius:2px;background:var(--t3)}
.sync-art span:nth-child(1){left:0}
.sync-art span:nth-child(2){left:120px}
.sync-art i{position:absolute;left:78px;top:24px;width:34px;height:34px;border-radius:50%;background:rgba(155,225,93,.14);border:1px solid rgba(155,225,93,.4)}
.sync-art i::before,.sync-art i::after{content:'';position:absolute;left:50%;top:50%;width:8px;height:8px;margin:-4px;border-radius:50%;background:var(--acc)}
.t-cloud.in .sync-art i::before{animation:hop 2.2s var(--ease) infinite}
.t-cloud.in .sync-art i::after{animation:hop 2.2s var(--ease) 1.1s infinite reverse}
@keyframes hop{0%{transform:translateX(-46px);opacity:0}20%{opacity:1}80%{opacity:1}100%{transform:translateX(46px);opacity:0}}

/* FAQ */
.ch-faq{max-width:880px}
.ch-faq>h2.h-display{margin-bottom:40px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 4px;font-size:clamp(17px,1.6vw,20px);font-weight:600;letter-spacing:-.01em}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'';flex:none;width:12px;height:12px;border-right:2px solid var(--t2);border-bottom:2px solid var(--t2);transform:rotate(45deg) translate(-3px,-3px);transition:transform .25s var(--ease)}
.faq-list details[open] summary::after{transform:rotate(-135deg) translate(-3px,-3px)}
.faq-list summary:hover{color:var(--acc)}
.faq-list details p{margin:0;padding:0 4px 26px;color:var(--t2);max-width:680px}
.faq-list details a{color:var(--acc);text-decoration:underline;text-underline-offset:3px}

/* финал */
.final{position:relative;padding:170px 0 150px;text-align:center;isolation:isolate}
.final-in{display:flex;flex-direction:column;align-items:center}
.final-title{font-size:clamp(64px,12vw,180px);margin-bottom:44px;background:linear-gradient(180deg,#fff 30%,rgba(255,255,255,.55));-webkit-background-clip:text;background-clip:text;color:transparent;padding:0 .05em}
.final-meta{margin:18px 0 0;font-size:14px;color:var(--t3)}
.home .footer{margin-top:0}

/* ---------- адаптив ---------- */
@media (max-width:980px){
  .ch-search,.ch-together,.vk-in{grid-template-columns:1fr;gap:56px}
  .merge{justify-self:center}
  .orbit{justify-self:center;max-width:360px;order:2}
  .more-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .hero{padding:120px 0 110px}
  .hero-title{margin:26px 0 20px}
  .btn-lg{height:54px;padding:0 24px}
  .chapter{padding-top:90px;padding-bottom:90px}
  .ch-num{margin-bottom:20px}
  .lead{font-size:16.5px}
  .more-grid{grid-template-columns:1fr}
  .tile{min-height:0}
  .query{height:48px;font-size:14.5px}
  .orbit{max-width:290px}
  .final{padding:120px 0 110px}
  .final-title{margin-bottom:36px}
  .ver-chip{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  .eq-line{stroke-dashoffset:0}
}

/* ---------- aurora: мягкие цветные пятна вместо графики ---------- */
.aurora{position:absolute;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.aurora i{position:absolute;border-radius:50%;opacity:.55;will-change:transform;transform:translateZ(0)}
.aurora .b1{width:46vw;height:46vw;max-width:720px;max-height:720px;left:8%;top:-18%;background:radial-gradient(closest-side,rgba(132,197,80,.9) 0%,rgba(132,197,80,.45) 35%,rgba(132,197,80,.12) 65%,rgba(132,197,80,0) 100%);animation:drift1 22s ease-in-out infinite alternate}
.aurora .b2{width:40vw;height:40vw;max-width:640px;max-height:640px;right:4%;top:-6%;background:radial-gradient(closest-side,rgba(125,99,255,.9) 0%,rgba(125,99,255,.45) 35%,rgba(125,99,255,.12) 65%,rgba(125,99,255,0) 100%);opacity:.45;animation:drift2 26s ease-in-out infinite alternate}
.aurora .b3{width:34vw;height:34vw;max-width:520px;max-height:520px;left:38%;top:34%;background:radial-gradient(closest-side,rgba(255,122,198,.9) 0%,rgba(255,122,198,.45) 35%,rgba(255,122,198,.12) 65%,rgba(255,122,198,0) 100%);opacity:.22;animation:drift3 30s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(12vw,8vh) scale(1.15)}}
@keyframes drift2{to{transform:translate(-10vw,10vh) scale(.9)}}
@keyframes drift3{to{transform:translate(-8vw,-6vh) scale(1.2)}}
.hero-grid{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;background-position:center top;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 35%,#000 0%,transparent 75%);mask-image:radial-gradient(70% 60% at 50% 35%,#000 0%,transparent 75%)}
.hero::after{content:'';position:absolute;left:0;right:0;bottom:0;height:160px;z-index:-1;background:linear-gradient(180deg,transparent,var(--bg))}

/* чипы источников импорта */
.src-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.src-chip{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 16px 0 10px;border-radius:14px;background:var(--s2);border:1px solid var(--line);font-size:14.5px;font-weight:600}
.src-chip svg,.src-chip img{width:24px;height:24px;flex:none;border-radius:7px}
.vk-big small{max-width:320px;line-height:1.25;font-size:clamp(18px,1.7vw,24px)!important}
.ch-vk h2.h-display{font-size:clamp(32px,3.9vw,56px)}

/* финал */
.final{overflow:hidden}
.aurora-final .b1{left:18%;top:10%;opacity:.35}
.aurora-final .b2{right:14%;top:24%;opacity:.3}
.final::after{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,var(--bg),transparent 30%,transparent 70%,var(--bg))}

@media (max-width:620px){
  .aurora .b1{width:90vw;height:90vw;left:-20%;top:-10%}
  .aurora .b2{width:80vw;height:80vw;right:-30%;top:10%}
  .aurora .b3{width:70vw;height:70vw;left:10%;top:40%}
  .hero{padding:130px 0 40px}
  .hero-grid{background-size:44px 44px}
}



.vk-big .vk-one{font-size:clamp(110px,17vw,250px)}