@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Unbounded:wght@500;700&display=swap');
[hidden]{display:none!important}
*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#EEF4FF;--surface:#fff;--tonal:#E4EEFD;--primary:#1F6FEB;--primary-d:#1A5FD0;--pc:#D5E5FF;--ink:#0C1B33;--muted:#56667F;--line:#D3DFF2;--ok:#0A7A4A}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:Manrope,system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;min-height:100vh;overflow-x:clip;-webkit-font-smoothing:antialiased}
h1,h2,h3,.disp{font-family:Unbounded,Manrope,sans-serif;letter-spacing:-.02em;line-height:1.12}
a{color:inherit}
button{font:inherit}
:focus-visible{outline:3px solid #7FB2FF;outline-offset:3px;border-radius:12px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.sec{padding:64px 0}
.sec-head{margin-bottom:28px;max-width:640px}
.sec-head h2{font-size:clamp(26px,4vw,36px);margin-bottom:10px}
.sec-head p{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:0;cursor:pointer;font:600 15px Manrope,sans-serif;padding:12px 22px;border-radius:999px;text-decoration:none;transition:background .2s,transform .2s,box-shadow .3s}
.btn:active{transform:scale(.97)}
.btn-p{background:var(--primary);color:#fff}
.btn-p:hover{background:var(--primary-d);box-shadow:0 10px 26px -10px rgba(31,111,235,.6)}
.btn-p:disabled{background:#A9C4F0;cursor:not-allowed;box-shadow:none}
.btn-t{background:var(--pc);color:#0A3D91}
.btn-t:hover{background:#C2D9FF}
.btn-g{background:transparent;color:var(--primary)}
.btn-g:hover{background:var(--tonal)}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px}
.card{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:26px;transition:border-color .3s,box-shadow .4s}
.card::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(320px circle at var(--cx,50%) var(--cy,50%),rgba(31,111,235,.12),transparent 70%);opacity:0;transition:opacity .35s}
.card:hover{border-color:#9EC5FF;box-shadow:0 16px 40px -22px rgba(31,111,235,.35)}
.card:hover::before{opacity:1}
.card>*{position:relative}
.note{margin-top:12px;color:var(--muted);font-size:14px}
/* фон */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg i{position:absolute;border-radius:50%;will-change:transform;background:radial-gradient(circle,var(--c) 0%,transparent 66%);opacity:.7}
.bg i:nth-child(1){--c:#9ED6FF;width:70vmax;height:70vmax;top:-26vmax;left:-20vmax;animation:d1 26s ease-in-out infinite alternate}
.bg i:nth-child(2){--c:#4D93FF;width:58vmax;height:58vmax;top:30vh;right:-24vmax;opacity:.35;animation:d2 32s ease-in-out infinite alternate}
.bg i:nth-child(3){--c:#CFE8FF;width:50vmax;height:50vmax;bottom:-22vmax;left:20vw;animation:d3 38s ease-in-out infinite alternate}
@keyframes d1{to{transform:translate(14vw,10vh)}}
@keyframes d2{to{transform:translate(-14vw,12vh)}}
@keyframes d3{to{transform:translate(10vw,-12vh)}}
/* шапка */
.hdr{position:sticky;top:0;z-index:20;background:rgba(243,247,255,.94);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 17px Unbounded,sans-serif;margin-right:auto}
.nav{display:flex;gap:4px}
.nav a{padding:10px 14px;border-radius:999px;text-decoration:none;color:var(--muted);font-weight:600;font-size:15px}
.nav a:hover{background:var(--tonal);color:var(--ink)}
.nav-cab{display:none!important}
.burger{display:none;width:44px;height:44px;border:0;border-radius:999px;background:var(--tonal);color:var(--ink);cursor:pointer;place-items:center;flex-shrink:0}
.beta{background:var(--tonal);color:#0A3D91;font-size:14px;text-align:center;padding:10px 20px}
/* hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding:56px 20px 40px}
.pill{display:inline-flex;align-items:center;background:var(--pc);color:#0A3D91;padding:6px 14px;border-radius:999px;font-weight:700;font-size:14px;margin-bottom:18px}
.hero h1{font-size:clamp(32px,5vw,54px);margin-bottom:18px}
.lead{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:26px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.facts{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin-top:32px;font-weight:600;font-size:15px}
.facts li::before{content:"✓ ";color:var(--primary)}
/* демо */
.demo-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px}
.demo-head b{font-size:14px;color:var(--muted)}
.st{font-weight:700;font-size:14px;color:var(--muted);background:var(--bg);padding:5px 12px;border-radius:999px}
.st.ok{color:var(--ok);background:#DDF7E9}
.bar{height:8px;border-radius:999px;background:var(--tonal);overflow:hidden;margin:16px 0 18px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,#5BB0FF,var(--primary));transform:scaleX(0);transform-origin:left;will-change:transform}
.steps{list-style:none;display:grid;gap:10px;margin-bottom:18px;font-weight:600;color:var(--muted);font-size:15px}
.steps li.on,.steps li.done{color:var(--ink)}
.steps li.done::before{content:"✓ ";color:var(--primary)}
.steps li.on::before{content:"… ";color:var(--primary)}
.sum{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-bottom:18px}
.sum div{background:var(--surface);padding:10px 14px}
.sum dt{font-size:12px;color:var(--muted)}
.sum dd{font-weight:700;font-size:14px;word-break:break-all}
.sum div:first-child,.sum div:nth-child(3){grid-column:auto}
/* конфигуратор */
.conf{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.srow{margin-bottom:22px}
.slabel{display:flex;justify-content:space-between;font-weight:600;margin-bottom:4px}
.slabel b{font-family:Unbounded,sans-serif;font-size:15px}
input[type=range]{width:100%;accent-color:var(--primary);height:28px;cursor:pointer}
.tier{font-weight:700;color:var(--primary);font-size:14px}
.price{display:flex;align-items:baseline;gap:8px;margin:6px 0 16px}
.price strong{font:700 clamp(34px,5vw,46px) Unbounded,sans-serif;letter-spacing:-.03em}
.price span{color:var(--muted);font-weight:600}
.specs{display:grid;gap:12px;margin-bottom:16px}
.spec{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;font-weight:600;font-size:14px}
.spec .track{height:8px;background:var(--tonal);border-radius:999px;overflow:hidden}
.spec .track i{display:block;height:100%;background:var(--primary);border-radius:999px;transition:transform .35s cubic-bezier(.2,.8,.2,1);transform-origin:left}
.toggle{background:var(--tonal);color:#0A3D91;border:0;padding:10px 16px;border-radius:999px;font-weight:700;cursor:pointer;margin-top:16px;min-height:44px}
.tbl-wrap{overflow-x:auto;margin-top:14px;border-radius:18px;border:1px solid var(--line);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:460px}
th,td{padding:11px 14px;text-align:right;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
th{color:var(--muted);font-size:13px}
tbody tr{cursor:pointer;transition:background .15s}
tbody tr:hover,tbody tr.sel{background:var(--tonal)}
/* локации, оплата, faq */
.locs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.loc{display:flex;align-items:center;gap:10px;min-height:52px;background:var(--surface);border:2px solid var(--line);border-radius:22px;padding:14px;cursor:pointer;font:600 15px Manrope,sans-serif;color:var(--ink);transition:border-color .2s,background .2s,transform .2s}
.loc:hover{transform:translateY(-2px)}
.loc[aria-pressed=true]{border-color:var(--primary);background:var(--tonal)}
.loc em{font-size:22px;font-style:normal}
.pay{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pay h3{font-size:17px;margin-bottom:6px}
.pay p{color:var(--muted);font-size:15px}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feat h3{font-size:17px;margin:14px 0 6px}
.feat p{color:var(--muted);font-size:15px}
.ico{width:48px;height:48px;border-radius:16px;background:var(--tonal);display:grid;place-items:center}
.ico svg{width:24px;height:24px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.uses{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px;align-items:center}
.uses span{background:var(--surface);border:1px solid var(--line);padding:7px 14px;border-radius:999px;font-weight:600;font-size:14px}
.faq{display:grid;gap:8px;max-width:760px}
.cta{background:var(--primary);color:#fff;border-radius:30px;padding:40px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta h2{font-size:clamp(24px,3.4vw,32px);max-width:520px}
.cta p{opacity:.85;margin-top:8px}
.cta .btn-p{background:#fff;color:#0A3D91}
.cta .btn-p:hover{background:var(--pc)}
footer{padding:44px 0 36px;border-top:1px solid var(--line);margin-top:24px;font-size:15px;color:var(--muted)}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.foot a{color:var(--primary);text-decoration:none;font-weight:600}
.foot ul{list-style:none;display:grid;gap:8px;margin-top:10px}
.foot h4{color:var(--ink);font-size:15px}
.legal{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:14px}
/* появление: только прозрачность и сдвиг */
.rv{opacity:0;translate:0 16px;transition:opacity .6s ease,translate .6s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;translate:0 0}
/* документ */
.doc{max-width:640px;margin:56px auto;padding:0 20px}
.doc .card{padding:32px}
.doc h1{font-size:clamp(24px,4vw,30px);margin-bottom:14px}
.doc p{margin-bottom:12px}
.timer{font:700 40px Unbounded,sans-serif;color:var(--primary);margin:20px 0 10px}
.url{font-size:14px;color:var(--muted);word-break:break-all}
.btn.off{background:#A9C4F0;pointer-events:none}
/* адаптив */
@media (max-width:900px){.hero,.conf{grid-template-columns:1fr}.feat,.pay{grid-template-columns:1fr 1fr}.foot{grid-template-columns:1fr 1fr}}
@media (max-width:680px){
  .burger{display:grid}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:4px;display:none;background:var(--bg);padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 18px 36px -18px rgba(12,27,51,.25)}
  .nav.open{display:flex}
  .nav a{font-size:16px;padding:14px 16px}
  .nav .nav-cab{display:block!important;background:var(--pc);color:#0A3D91;text-align:center;margin-top:6px}
  .hdr-cab{display:none}
  .hdr-in{height:60px;gap:8px}
  .brand{font-size:15px}
  .brand svg{width:28px;height:28px}
  .hero{padding:32px 20px 36px;gap:32px;grid-template-columns:1fr}
  .hero h1{font-size:clamp(30px,8.4vw,38px)}
  .lead{font-size:16px}
  .row .btn{width:100%}
  .facts{grid-template-columns:1fr;font-size:14px}
  .sec{padding:44px 0}
  .card{padding:20px;border-radius:22px}
  .feat,.pay{grid-template-columns:1fr}
  .conf{gap:20px}
  .conf .btn{width:100%}
  input[type=range]{height:36px}
  .locs{grid-template-columns:1fr 1fr}
  .cta{padding:28px 22px;border-radius:24px}
  .cta .btn{width:100%}
  .foot{grid-template-columns:1fr;gap:22px}
  .legal{flex-direction:column}
  .sum{grid-template-columns:1fr}
  .beta{font-size:13px;padding:9px 16px}
}
@media (max-width:380px){.locs{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.bg i{animation:none}html{scroll-behavior:auto}.rv{opacity:1;transform:none;transition:none}}

/* ===== пост-обработка ===== */
body::after{content:"";position:fixed;inset:0;z-index:59;pointer-events:none;background:radial-gradient(ellipse at 50% 45%,transparent 55%,rgba(12,27,51,.14) 100%)}
#grain{position:fixed;inset:0;width:100vw;height:100vh;z-index:60;pointer-events:none;opacity:.07;mix-blend-mode:multiply}


/* ===== простые FX ===== */
.btn,.loc,.toggle{position:relative;overflow:hidden}
.ripple{position:absolute;border-radius:50%;background:currentColor;pointer-events:none;transform:scale(0);animation:rip .6s ease-out forwards}
@keyframes rip{from{transform:scale(0);opacity:.3}to{transform:scale(1);opacity:0}}
.confetti{position:fixed;width:8px;height:12px;border-radius:2px;pointer-events:none;z-index:70}

/* ===== блюр и анимации v2 ===== */
/* настоящий блюр: шапка и демо-карточка (остальное — градиенты и transform) */
.hdr{background:rgba(243,247,255,.55);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%)}
.card.demo{background:rgba(255,255,255,.55);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%)}
/* наклон карточек за курсором */
.card{transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--s,1));transition:transform .5s cubic-bezier(.2,.8,.2,1),border-color .3s,box-shadow .4s}
/* магнит кнопок */
.btn{transition:background .2s,box-shadow .3s,translate .35s cubic-bezier(.2,.8,.2,1)}
.hero .btn-p{animation:glow 2.6s ease-out infinite}
@keyframes glow{0%,100%{box-shadow:0 0 0 0 rgba(31,111,235,.35)}50%{box-shadow:0 0 0 12px rgba(31,111,235,0)}}
/* появление слов заголовка и переливание */
.w{display:inline-block;opacity:0;transform:translateY(.5em);animation:wIn .8s cubic-bezier(.2,.8,.2,1) forwards;animation-delay:calc(var(--i) * 70ms + 120ms)}
@keyframes wIn{to{opacity:1;transform:none}}
.grad{background:linear-gradient(90deg,#1F6FEB,#5BB0FF,#0A3D91,#1F6FEB);background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 5s linear infinite}
@keyframes sheen{to{background-position:-250% 0}}
/* бегущая строка локаций */
.marq{overflow:hidden;border-block:1px solid var(--line);background:rgba(255,255,255,.5);padding:14px 0}
.marq-in{display:flex;width:max-content;animation:marq 34s linear infinite;font-weight:600;color:var(--muted);white-space:nowrap}
.marq-in span{padding:0 22px}
@keyframes marq{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.w{opacity:1;transform:none;animation:none}.grad,.marq-in,.hero .btn-p{animation:none}.card{transform:none}.rv{translate:none;opacity:1}}

/* ===== фиксы v3 ===== */
/* плавное появление карточек: общий transition вместе с наклоном */
.card.rv{transition:opacity .7s ease,translate .7s cubic-bezier(.2,.8,.2,1),transform .5s cubic-bezier(.2,.8,.2,1),border-color .3s,box-shadow .4s}
/* зерно без режима смешивания (на мобильных давал серые пятна) */
#grain{mix-blend-mode:normal}
/* таблица тарифов: колонка сетки может сужаться, таблица листается пальцем */
.conf>div{min-width:0}
.tbl-wrap{max-width:100%;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;touch-action:pan-x pan-y}
@media (max-width:900px){.conf{grid-template-columns:minmax(0,1fr)}}
/* мобильные: без виньетки, зерна, тяжёлого блюра и тёмного пятна */
@media (max-width:900px),(hover:none){
  body::after,#grain,  .card,.card.rv{transform:none}
  .card.demo{background:var(--surface);backdrop-filter:none;-webkit-backdrop-filter:none}
  .bg i:nth-child(1){width:120vw;height:120vw;top:-30vw;left:-40vw}
  .bg i:nth-child(2){width:100vw;height:100vw;top:40vh;right:-50vw;opacity:.18}
  .bg i:nth-child(3){width:100vw;height:100vw;bottom:-40vw;left:0;opacity:.5}
}

/* ===== прогиб карточек и наполнения (как в конструкторе) ===== */
.loc.tilt,.faq>.q.tilt,.cta.tilt{transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--s,1));transition:transform .5s cubic-bezier(.2,.8,.2,1),border-color .2s,background .2s,box-shadow .4s}
.loc.tilt:hover{transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--s,1))}
.tilt.hot{will-change:transform}
.tilt.press{transition:transform .12s ease-out,border-color .2s,box-shadow .2s;box-shadow:inset 0 10px 30px -12px rgba(12,27,51,.18)}
/* наполнение смещается слоями: чем выше слой, тем сильнее сдвиг */
.card>*:not(.btn):not(.tbl-wrap),.cta>div,.faq>.q .q-t,.loc>em{translate:calc(var(--nx,0)*4px) calc(var(--ny,0)*4px);transition:translate .5s cubic-bezier(.2,.8,.2,1)}
.card .ico,.card h3,.card .price strong,.card .st,.loc>em,.cta h2{translate:calc(var(--nx,0)*9px) calc(var(--ny,0)*9px);transition:translate .5s cubic-bezier(.2,.8,.2,1)}
.card .ico{display:grid}
.tilt.press>*:not(.btn){transition-duration:.12s}
@media (hover:none),(max-width:900px){
  .loc.tilt,.faq>.q.tilt,.cta.tilt{transform:none}
  .card>*,.cta>div,.faq>.q .q-t,.loc>em,.card .ico,.card h3,.card .price strong,.card .st,.cta h2{translate:none!important}
}
@media (prefers-reduced-motion:reduce){.card>*,.cta>div,.faq>.q .q-t,.loc>em{translate:none!important}.tilt{transform:none!important}}

/* ===== FAQ: анимированный аккордеон ===== */
.faq-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center}
.faq{display:grid;gap:10px;max-width:none}
.q{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:22px;transition:border-color .3s,box-shadow .4s,background .3s}
.q::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--primary);transform:scaleY(0);transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.q.open{border-color:#9EC5FF;box-shadow:0 14px 36px -22px rgba(31,111,235,.4)}
.q.open::before{transform:scaleY(1)}
.q-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:58px;background:none;border:0;padding:16px 22px;font:700 16px Manrope,sans-serif;color:var(--ink);text-align:left;cursor:pointer}
.q-ico{width:30px;height:30px;border-radius:50%;background:var(--tonal);color:var(--primary);display:grid;place-items:center;flex-shrink:0;transition:transform .5s cubic-bezier(.2,.8,.2,1),background .3s,color .3s}
.q.open .q-ico{transform:rotate(135deg);background:var(--primary);color:#fff}
.q-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s cubic-bezier(.2,.8,.2,1)}
.q.open .q-a{grid-template-rows:1fr}
.q-a>div{overflow:hidden;min-height:0}
.q-a p{padding:0 22px 20px;color:var(--muted);opacity:0;translate:0 -8px;transition:opacity .35s ease,translate .5s cubic-bezier(.2,.8,.2,1)}
.q.open .q-a p{opacity:1;translate:0 0;transition-delay:.12s}

/* ===== 3D-сервер (чистый CSS 3D, без библиотек) ===== */
.stage{--s:clamp(150px,26vw,270px);--w:var(--s);--h:calc(var(--s)*.2);--d:calc(var(--s)*.72);position:relative;height:calc(var(--s)*1.9);cursor:grab;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.stage.grab{cursor:grabbing}
.stage::before{content:"";position:absolute;inset:6%;border-radius:50%;background:radial-gradient(closest-side,rgba(91,176,255,.35),transparent);pointer-events:none}
.scene{position:absolute;inset:0;perspective:calc(var(--s)*5);transform-style:preserve-3d}
.float{position:absolute;inset:0;transform-style:preserve-3d;animation:bob 5s ease-in-out infinite alternate}
@keyframes bob{from{transform:translateY(calc(var(--s)*-.035))}to{transform:translateY(calc(var(--s)*.035))}}
.rig{--k:1.3;position:absolute;left:50%;top:50%;width:0;height:0;transform-style:preserve-3d;transform:rotateX(-16deg) rotateY(-28deg)}
.rig.explode{--k:1.95}
.slab{position:absolute;left:0;top:0;width:var(--w);height:var(--h);margin:calc(var(--h)/-2) 0 0 calc(var(--w)/-2);transform-style:preserve-3d;transform:translateY(calc((var(--i) - 1.5)*var(--h)*var(--k)));transition:transform .75s cubic-bezier(.2,.8,.2,1)}
.f{position:absolute;left:50%;top:50%;display:block;border-radius:3px}
.front,.back{width:var(--w);height:var(--h);margin:calc(var(--h)/-2) 0 0 calc(var(--w)/-2)}
.front{transform:translateZ(calc(var(--d)/2));background:linear-gradient(180deg,#F8FBFF,#D9E8FF);display:flex;align-items:center;gap:calc(var(--h)*.2);padding:0 calc(var(--h)*.35);box-shadow:inset 0 0 0 1px #B8D0F5;transition:background .4s,box-shadow .4s}
.back{transform:rotateY(180deg) translateZ(calc(var(--d)/2));background:#BCD3F7}
.left,.right{width:var(--d);height:var(--h);margin:calc(var(--h)/-2) 0 0 calc(var(--d)/-2);background:linear-gradient(90deg,#C5DAFB,#B0CBF5)}
.right{transform:rotateY(90deg) translateZ(calc(var(--w)/2))}
.left{transform:rotateY(-90deg) translateZ(calc(var(--w)/2));background:linear-gradient(90deg,#B0CBF5,#C5DAFB)}
.top,.bottom{width:var(--w);height:var(--d);margin:calc(var(--d)/-2) 0 0 calc(var(--w)/-2)}
.top{transform:rotateX(90deg) translateZ(calc(var(--h)/2));background:linear-gradient(180deg,#FFFFFF,#E7F1FF)}
.bottom{transform:rotateX(-90deg) translateZ(calc(var(--h)/2));background:#9CBDF0}
.led{width:calc(var(--h)*.2);aspect-ratio:1;border-radius:50%;background:#7FB2FF;animation:blink 2.4s ease-in-out infinite}
.led:nth-child(2){animation-delay:.5s}
.led:nth-child(3){animation-delay:1.1s}
@keyframes blink{0%,100%{opacity:.35}50%{opacity:1}}
.vent{margin-left:auto;width:42%;height:48%;border-radius:3px;background:repeating-linear-gradient(90deg,#9DB9E3 0 2px,transparent 2px 7px);opacity:.75}
.slab.lit .front{background:linear-gradient(180deg,#EAF4FF,#B9D8FF);box-shadow:inset 0 0 0 2px var(--primary)}
.slab.lit .led{background:#18A264;animation:none;opacity:1}
.shadow{position:absolute;left:50%;bottom:5%;width:calc(var(--s)*.9);height:calc(var(--s)*.2);margin-left:calc(var(--s)*-.45);border-radius:50%;background:radial-gradient(closest-side,rgba(31,111,235,.3),transparent);animation:sh 5s ease-in-out infinite alternate}
@keyframes sh{from{transform:scale(.86);opacity:.6}to{transform:scale(1.05);opacity:1}}
@media (max-width:900px){
  .faq-grid{grid-template-columns:minmax(0,1fr);gap:20px}
  .stage{order:-1;--s:clamp(140px,44vw,210px);height:calc(var(--s)*1.55)}
  .q-btn{padding:14px 18px;font-size:15px}
  .q-a p{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){.float,.shadow,.led{animation:none}.slab,.q-a,.q-ico,.q::before{transition:none}.q-a p{transition:none}}

/* ===== страница «Личный кабинет» ===== */
.cab{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;padding:56px 20px 16px}
.cab h1{font-size:clamp(34px,5.4vw,56px);margin-bottom:16px}
.lnk{color:var(--primary);font-weight:600;text-decoration:none}
.lnk:hover{text-decoration:underline}
.flight{position:relative;height:clamp(300px,42vw,460px);cursor:grab;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.flight.grab{cursor:grabbing}
.flight::before{content:"";position:absolute;inset:4%;border-radius:50%;background:radial-gradient(closest-side,rgba(91,176,255,.38),transparent);pointer-events:none}
.trail{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.trail path{fill:none;stroke:#5BB0FF;stroke-width:2.5;stroke-linecap:round;stroke-dasharray:2 12;animation:dash 6s linear infinite}
@keyframes dash{to{stroke-dashoffset:-140}}
.cloud{position:absolute;border-radius:999px;pointer-events:none;background:radial-gradient(closest-side,rgba(255,255,255,.95),rgba(255,255,255,0));animation:cdrift linear infinite alternate}
.c1{width:42%;height:22%;top:12%;left:-6%;animation-duration:14s}
.c2{width:36%;height:18%;top:62%;right:-4%;animation-duration:18s;animation-delay:-6s}
.c3{width:28%;height:14%;top:32%;right:14%;animation-duration:22s;animation-delay:-11s;opacity:.7}
@keyframes cdrift{to{transform:translateX(14%)}}
.scene3d{position:absolute;inset:0;perspective:1100px;transform-style:preserve-3d}
.bob{position:absolute;inset:0;transform-style:preserve-3d;animation:pbob 4.2s ease-in-out infinite alternate}
@keyframes pbob{from{transform:translateY(-12px)}to{transform:translateY(12px)}}
.plane{position:absolute;left:50%;top:50%;width:0;height:0;transform-style:preserve-3d}
.tri{position:absolute;left:0;top:0;width:100px;height:100px;transform-origin:0 0;clip-path:polygon(0 0,100px 0,0 100px);backface-visibility:visible}
.pshadow{position:absolute;left:50%;bottom:6%;width:46%;height:9%;margin-left:-23%;border-radius:50%;background:radial-gradient(closest-side,rgba(31,111,235,.3),transparent);animation:psh 4.2s ease-in-out infinite alternate}
@keyframes psh{from{transform:scale(1.08);opacity:.7}to{transform:scale(.86);opacity:1}}
.hint{position:absolute;left:0;right:0;bottom:-4px;text-align:center;font-size:13px;color:var(--muted);pointer-events:none}
.cab-cards{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:16px}
.av{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.av-i{display:flex;gap:12px;align-items:flex-start}
.av-i .ico{flex-shrink:0;width:44px;height:44px;border-radius:15px}
.av-i b{display:block;font-size:15px}
.av-i p{color:var(--muted);font-size:14px}
.prog{height:8px;border-radius:999px;background:var(--tonal);overflow:hidden}
.prog i{display:block;width:38%;height:100%;border-radius:999px;background:linear-gradient(90deg,#5BB0FF,var(--primary));animation:pslide 2.2s ease-in-out infinite alternate}
@keyframes pslide{to{transform:translateX(163%)}}
@media (max-width:900px){.cab{grid-template-columns:minmax(0,1fr)}.cab-cards{grid-template-columns:minmax(0,1fr)}}
@media (max-width:680px){.cab{padding:32px 20px 8px;gap:24px}.flight{height:300px}.av{grid-template-columns:1fr}.cab .row .btn{width:100%}}
@media (prefers-reduced-motion:reduce){.bob,.pshadow,.cloud,.trail path,.prog i{animation:none}}