/* ===== Токены (палитра 1:1 из Pencil) ===== */
:root{
  --bg:#0D1017; --bg2:#0B0E14;
  --surf:#151B25; --surf2:#1B2330; --surf3:#1A212C;
  --border:#222B38; --border2:#2C3645;
  --txt:#E7EAF0; --body:#A9B2C0; --mut:#8B94A3; --dim:#5A6473;
  --blue:#3B82F6; --blue-hi:#5A97F8; --green:#27C28A;
  --maxw:1180px; --radius:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg); color:var(--txt);
  line-height:1.5; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:"Geist",-apple-system,sans-serif;font-weight:600;letter-spacing:-.02em}

/* ===== Анимированный аврора-фон ===== */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;background:#080B12}
.aurora .blob{position:absolute;border-radius:50%;filter:blur(75px);mix-blend-mode:screen;will-change:transform,opacity}
.blob.b1{width:600px;height:600px;background:#2563eb;top:-140px;left:-60px;animation:drift1 17s ease-in-out infinite}
.blob.b2{width:540px;height:540px;background:#1e40af;top:-80px;right:-40px;animation:drift2 21s ease-in-out infinite}
.blob.b3{width:560px;height:560px;background:#0891b2;top:34%;left:18%;animation:drift3 19s ease-in-out infinite}
.blob.b4{width:520px;height:520px;background:#3b82f6;top:52%;right:6%;animation:drift4 15s ease-in-out infinite}
@keyframes drift1{0%{transform:translate(0,0) scale(1);opacity:.5}50%{transform:translate(280px,200px) scale(1.3);opacity:.8}100%{transform:translate(0,0) scale(1);opacity:.5}}
@keyframes drift2{0%{transform:translate(0,0) scale(1.1);opacity:.45}50%{transform:translate(-220px,160px) scale(1);opacity:.75}100%{transform:translate(0,0) scale(1.1);opacity:.45}}
@keyframes drift3{0%{transform:translate(0,0) scale(1);opacity:.4}50%{transform:translate(200px,-180px) scale(1.25);opacity:.7}100%{transform:translate(0,0) scale(1);opacity:.4}}
@keyframes drift4{0%{transform:translate(0,0) scale(1.05);opacity:.45}50%{transform:translate(-240px,-120px) scale(1);opacity:.7}100%{transform:translate(0,0) scale(1.05);opacity:.45}}
.grain{position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(180deg, rgba(8,11,18,.15) 0%, rgba(8,11,18,.55) 65%, #0B0E16 100%);}
@media (prefers-reduced-motion:reduce){.blob{animation-duration:60s}}

/* ===== Навбар ===== */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(13,16,23,.72);border-bottom:1px solid var(--border)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-family:"Geist";font-weight:600;font-size:18px}
.mark{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue-hi),#2f6fe0);box-shadow:0 4px 18px rgba(59,130,246,.45),inset 0 1px 0 rgba(255,255,255,.25)}
.mark svg{width:21px;height:21px}
.mark.sm{width:30px;height:30px;border-radius:8px}
.mark.sm svg{width:17px;height:17px}
.nav-right{display:flex;align-items:center;gap:34px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;font-weight:500;color:#C2C9D6;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff}
.muted-link{color:var(--mut)!important}

/* ===== Кнопки ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;
  border-radius:9px;padding:11px 20px;cursor:pointer;border:1px solid transparent;transition:transform .15s var(--ease),box-shadow .2s,background .2s}
.btn-primary{color:#fff;background:linear-gradient(180deg,var(--blue-hi),var(--blue));box-shadow:0 6px 20px rgba(59,130,246,.35)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(59,130,246,.5)}
.btn-ghost{color:var(--txt);background:transparent;border-color:var(--border2)}
.btn-ghost:hover{background:rgba(255,255,255,.04);border-color:#3a465a}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-block{width:100%;margin-top:auto}

/* ===== Раскладка секций ===== */
[id]{scroll-margin-top:90px}
.section{max-width:var(--maxw);margin:0 auto;padding:104px 24px}
.section.hero{padding-top:104px;padding-bottom:72px}
.section.hero.short{padding-bottom:48px}
.section.band{max-width:none;padding-left:0;padding-right:0;
  background:rgba(11,14,20,.55);border-block:1px solid var(--border)}
.section.band > *{max-width:var(--maxw);margin:0 auto;padding-inline:24px}
.section.band{padding-block:64px}

.head{max-width:760px;margin:0 auto 48px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}
.head.left{text-align:left;align-items:flex-start;margin-inline:0}
.eyebrow{font-family:"Geist Mono",monospace;font-size:13px;font-weight:500;letter-spacing:.16em;color:var(--blue)}
.h1{font-size:58px;line-height:1.08;letter-spacing:-.03em}
.h1.sm{font-size:46px}
.h2{font-size:42px;line-height:1.12}
.h2.sm{font-size:34px}
.sub{font-size:18px;color:var(--body);line-height:1.55;max-width:680px}

/* ===== Hero ===== */
.hero-in{max-width:980px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:28px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:100px;
  background:var(--surf);border:1px solid var(--border);font-family:"Geist Mono",monospace;font-size:13px;color:var(--mut)}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.lead{font-size:19px;color:var(--body);line-height:1.55;max-width:660px}
.hero-cta{display:flex;gap:14px;margin-top:8px;flex-wrap:wrap;justify-content:center}
.fineprint{font-size:14px;color:var(--mut)}
.chips{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap;justify-content:center}
.chip{padding:8px 14px;border-radius:8px;background:var(--surf);border:1px solid var(--border);font-size:14px;font-weight:500;color:var(--body)}

/* ===== Превью продукта ===== */
.preview{max-width:1060px;margin:60px auto 0;display:flex;border:1px solid var(--border2);
  border-radius:var(--radius);overflow:hidden;background:var(--surf);
  box-shadow:0 40px 120px rgba(0,0,0,.5),0 0 80px rgba(59,130,246,.12)}
.pv-side{width:248px;flex-shrink:0;background:#0F141C;padding:14px 12px;display:flex;flex-direction:column;gap:2px;border-right:1px solid var(--border)}
.pv-top{display:flex;gap:8px;align-items:center;margin-bottom:10px}
.pv-search{flex:1;display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;background:var(--surf);border:1px solid var(--border);color:var(--dim);font-size:13px}
.pv-search svg{width:15px;height:15px;stroke:var(--dim);stroke-width:2;fill:none;flex-shrink:0}
.pv-compose{width:36px;height:36px;flex-shrink:0;border-radius:8px;background:var(--surf);border:1px solid var(--border);display:grid;place-items:center;cursor:pointer}
.pv-compose svg{width:16px;height:16px;stroke:var(--body);stroke-width:1.8;fill:none}
.pv-group{display:flex;flex-direction:column;gap:2px}
.pv-group-h{display:flex;align-items:center;gap:6px;padding:8px 10px 6px;font-size:11px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--mut)}
.pv-group-h svg{width:12px;height:12px;stroke:var(--mut);stroke-width:2.2;fill:none}
.pv-nav{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:8px;font-size:14px;color:var(--body);cursor:pointer;transition:background .15s,color .15s}
.pv-nav svg{width:18px;height:18px;stroke:var(--mut);stroke-width:1.7;fill:none;flex-shrink:0;transition:stroke .15s}
.pv-nav > span{flex:1}
.pv-nav:hover{background:rgba(255,255,255,.035);color:var(--txt)}
.pv-nav:hover svg{stroke:var(--body)}
.pv-nav.active{background:#1c2533;color:var(--txt);font-weight:600;box-shadow:inset 2px 0 0 var(--blue-hi)}
.pv-nav.active svg{stroke:var(--blue-hi)}
.pv-badge{font-size:11px;font-weight:600;padding:1px 7px;border-radius:100px;background:var(--blue);color:#fff}
.pv-badge.soft{background:var(--surf2);color:var(--mut)}
.pv-sep{height:1px;background:var(--border);margin:10px 6px}
.pv-spacer{flex:1;min-height:14px}
.pv-user{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;background:rgba(255,255,255,.025);border:1px solid var(--border)}
.pv-ava{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;font-family:"Geist";font-weight:700;font-size:14px;color:#fff;background:linear-gradient(135deg,var(--blue-hi),#2f6fe0);flex-shrink:0}
.pv-user-info{flex:1;display:flex;flex-direction:column;line-height:1.25;min-width:0}
.pv-user-info b{font-size:13px;color:var(--txt);font-weight:600}
.pv-user-info span{font-size:11px;color:var(--mut)}
.pv-user > svg{width:16px;height:16px;stroke:var(--mut);stroke-width:2;fill:none;flex-shrink:0}
.pv-main{flex:1;display:flex;flex-direction:column}
.pv-tabs{display:flex;gap:22px;align-items:center;padding:18px 22px;border-bottom:1px solid var(--border)}
.pv-tab{font-size:14px;font-weight:500;color:var(--mut);display:inline-flex;align-items:center;gap:7px}
.pv-tab.active{color:var(--txt);font-weight:600}
.cnt{font-size:11px;font-weight:600;padding:1px 7px;border-radius:100px;background:var(--surf2);color:var(--mut)}
.cnt.on{background:var(--blue);color:#fff}
.pv-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:320px;padding:24px}
.pv-empty-title{color:var(--txt);font-size:16px;font-weight:600;margin-top:14px}
.pv-empty-sub{color:var(--mut);font-size:14px}

/* Красивый ИИ-орб */
.orb{position:relative;width:200px;height:160px;display:grid;place-items:center}
.orb::before{content:"";position:absolute;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,130,246,.32),transparent 65%);filter:blur(8px)}
.orb-core{position:relative;z-index:2;width:92px;height:92px;border-radius:26px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue-hi),#2f6fe0 70%);
  box-shadow:0 12px 36px rgba(59,130,246,.5),inset 0 1px 0 rgba(255,255,255,.25);
  animation:orbPulse 3.6s var(--ease) infinite}
.orb-core svg{filter:drop-shadow(0 2px 4px rgba(0,0,0,.25))}
@keyframes orbPulse{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-4px) scale(1.04)}}

.ring{position:absolute;z-index:1;width:92px;height:92px;border-radius:28px;border:1.5px solid rgba(90,151,248,.6);opacity:0;
  animation:ripple 3.6s var(--ease) infinite}
.ring.r2{animation-delay:1.2s}
.ring.r3{animation-delay:2.4s}
@keyframes ripple{0%{opacity:.55;transform:scale(.9)}70%{opacity:0}100%{opacity:0;transform:scale(2.1)}}

.mini{position:absolute;z-index:0;border-radius:8px 8px 8px 2px;background:linear-gradient(140deg,var(--surf2),#222d40);border:1px solid #2c3a52}
.mini.m1{width:30px;height:20px;top:8px;left:8px;animation:float1 5s ease-in-out infinite}
.mini.m2{width:24px;height:18px;bottom:14px;right:6px;animation:float2 6s ease-in-out infinite}
.mini.m3{width:18px;height:14px;top:24px;right:20px;background:linear-gradient(140deg,#1d2c4a,#16233c);animation:float3 5.5s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0) rotate(-4deg)}50%{transform:translate(-6px,-10px) rotate(2deg)}}
@keyframes float2{0%,100%{transform:translate(0,0) rotate(3deg)}50%{transform:translate(8px,-8px) rotate(-3deg)}}
@keyframes float3{0%,100%{transform:translate(0,0)}50%{transform:translate(4px,10px)}}
@media (prefers-reduced-motion:reduce){.orb-core,.ring,.mini{animation:none}.ring{display:none}}

/* ===== Сетки и карточки ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surf);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;display:flex;flex-direction:column;gap:14px;transition:transform .2s var(--ease),border-color .2s}
.card:hover{transform:translateY(-3px);border-color:#2e3a4d}
.card h3{font-size:21px}
.card p{color:var(--body);font-size:15px;line-height:1.6}
.card .num,.card .stat{align-self:flex-start;display:grid;place-items:center;height:46px;border-radius:10px;
  background:#10182A;border:1px solid #284069;color:var(--blue);font-family:"Geist Mono",monospace;font-weight:600}
.card .num{width:46px;font-size:16px}
.card .stat{padding:0 14px;font-family:"Geist";font-size:18px;font-weight:700}

/* ===== Метрики ===== */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.metric{display:flex;flex-direction:column;align-items:center;gap:10px}
.num-xl{font-family:"Geist";font-size:50px;font-weight:600;letter-spacing:-.03em}
.m-label{font-size:14px;color:var(--mut);max-width:200px}

/* ===== Тарифы ===== */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plan{background:var(--surf);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;display:flex;flex-direction:column;gap:20px;transition:transform .2s var(--ease)}
.plan:hover{transform:translateY(-4px)}
.plan.featured{background:var(--surf3);border-color:var(--blue);box-shadow:0 0 0 1px rgba(59,130,246,.3),0 20px 60px rgba(59,130,246,.12)}
.plan-top{display:flex;align-items:center;justify-content:space-between}
.plan-name{font-family:"Geist";font-size:18px;font-weight:600}
.pop{font-size:11px;font-weight:600;color:#fff;background:var(--blue);padding:4px 10px;border-radius:100px}
.plan-price{font-family:"Geist";font-size:36px;font-weight:700;letter-spacing:-.03em}
.plan-price span{font-family:"Inter";font-size:14px;font-weight:400;color:var(--mut);margin-left:5px}
.plan-limit{font-size:14px;color:var(--mut);margin-top:-12px}
.feats{list-style:none;display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:1px solid var(--border)}
.feats li{font-size:14px;color:var(--body);padding-left:24px;position:relative}
.feats li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}

/* ===== FAQ ===== */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.qa{background:var(--surf);border:1px solid var(--border);border-radius:12px;padding:0 26px;overflow:hidden}
.qa summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 0;font-family:"Geist";font-size:18px;font-weight:600}
.qa summary::-webkit-details-marker{display:none}
.qa .plus{width:18px;height:18px;position:relative;flex-shrink:0;transition:transform .3s var(--ease)}
.qa .plus::before,.qa .plus::after{content:"";position:absolute;background:var(--mut);border-radius:2px}
.qa .plus::before{top:8px;left:0;width:18px;height:2px}
.qa .plus::after{left:8px;top:0;width:2px;height:18px;transition:transform .3s var(--ease)}
.qa[open] .plus{transform:rotate(180deg)}
.qa[open] .plus::after{transform:scaleY(0)}
.qa p{color:var(--body);font-size:15px;line-height:1.6;padding-bottom:24px;animation:fade .3s ease}

/* ===== Кейс / story / prose ===== */
.story{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.card.block{gap:12px;padding:28px 30px}
.card.block p{font-size:17px;line-height:1.65}
.prose{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
.prose p{font-size:17px;line-height:1.7;color:var(--body)}

/* ===== Документация ===== */
.docs-search{display:flex;align-items:center;justify-content:space-between;width:560px;max-width:100%;
  padding:15px 16px 15px 18px;border-radius:10px;background:var(--surf);border:1px solid var(--border2);color:var(--dim);font-size:15px}
.docs-search kbd{font-family:"Geist Mono",monospace;font-size:13px;color:var(--mut);background:var(--surf2);padding:3px 9px;border-radius:6px}
.cats .cat{gap:10px}
.cat h3{font-size:19px}
.cat-link{font-family:"Geist Mono",monospace;font-size:13px;color:var(--blue);letter-spacing:.02em}
.articles{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.art{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;
  background:var(--surf);border:1px solid var(--border);border-radius:12px;font-size:16px;font-weight:500;transition:border-color .2s,transform .2s var(--ease)}
.art span{color:var(--mut);transition:transform .2s var(--ease)}
.art:hover{border-color:#2e3a4d;transform:translateX(2px)}
.art:hover span{transform:translateX(4px);color:var(--blue)}

/* ===== CTA ===== */
.cta-panel{max-width:var(--maxw);margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:18px;
  padding:64px 40px;border-radius:20px;border:1px solid #284069;
  background:linear-gradient(135deg,#17294C,#0C1322)}
.cta-form{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap;justify-content:center}
.cta-form input{width:320px;max-width:100%;padding:14px 16px;border-radius:9px;background:var(--surf);
  border:1px solid var(--border);color:var(--txt);font-size:15px;font-family:inherit}
.cta-form input::placeholder{color:var(--dim)}
.cta-form input:focus{outline:none;border-color:var(--blue)}

/* ===== Футер ===== */
.footer{background:rgba(11,14,20,.6);border-top:1px solid var(--border);margin-top:40px}
.foot-in{max-width:var(--maxw);margin:0 auto;padding:48px 24px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot-left{max-width:340px;display:flex;flex-direction:column;gap:14px}
.foot-left p{color:var(--mut);font-size:14px;line-height:1.5}
.foot-cols{display:flex;gap:60px;flex-wrap:wrap}
.foot-col{display:flex;flex-direction:column;gap:12px}
.foot-col h4{font-family:"Inter";font-size:14px;font-weight:600}
.foot-col a{font-size:14px;color:var(--mut);transition:color .2s}
.foot-col a:hover{color:var(--txt)}
.foot-bar{max-width:var(--maxw);margin:0 auto;padding:0 24px 40px;display:flex;justify-content:space-between;color:var(--dim);font-size:13px}
.foot-bar .mono{font-family:"Geist Mono",monospace}

/* ===== Появление при скролле ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== Переход между страницами (fallback) ===== */
.page.enter{animation:pageIn .45s var(--ease)}
@keyframes pageIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ===== View Transitions API ===== */
@media (prefers-reduced-motion:no-preference){
  ::view-transition-old(main){animation:vtOut .26s var(--ease) both}
  ::view-transition-new(main){animation:vtIn .42s var(--ease) both}
}
@keyframes vtOut{to{opacity:0;transform:translateY(-10px) scale(.99)}}
@keyframes vtIn{from{opacity:0;transform:translateY(18px) scale(.99)}}
#main{view-transition-name:main}

/* ===== Адаптив ===== */
@media (max-width:980px){
  .plans{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr);gap:32px}
  .grid-3{grid-template-columns:1fr}
  .h1{font-size:42px}.h2{font-size:32px}
  .nav-links{display:none}
  .preview{flex-direction:column}.pv-side{display:none}.pv-main{min-height:340px}
  .foot-in{flex-direction:column}
}
@media (max-width:560px){
  .plans{grid-template-columns:1fr}.metrics{grid-template-columns:1fr}
  .section{padding:64px 20px}
}

/* ===================== PREMIUM GLOW-UP ===================== */
@property --ang{syntax:'<angle>';inherits:false;initial-value:0deg}

/* фоновая сетка-паттерн */
.grid-pattern{position:absolute;inset:0;opacity:.6;pointer-events:none;
  background-image:
    linear-gradient(rgba(125,155,235,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,155,235,.055) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(135% 78% at 50% 0%,#000 22%,transparent 72%);
  mask-image:radial-gradient(135% 78% at 50% 0%,#000 22%,transparent 72%)}

/* hero: световой луч за заголовком */
.section.hero{position:relative}
.hero-in{position:relative;z-index:2}
.hero-beam{position:absolute;top:-70px;left:50%;transform:translateX(-50%);
  width:min(1040px,94vw);height:700px;z-index:1;pointer-events:none;
  background:
    radial-gradient(43% 56% at 50% 0%,rgba(91,151,248,.32),transparent 70%),
    conic-gradient(from 180deg at 50% -2%,transparent 36%,rgba(124,58,237,.20) 50%,transparent 64%);
  filter:blur(12px);animation:beam 9s ease-in-out infinite}
@keyframes beam{0%,100%{opacity:.7;transform:translateX(-50%) scaleX(1)}50%{opacity:1;transform:translateX(-50%) scaleX(1.12)}}

/* драматичная типографика + шиммер на 74% */
.h1{font-size:clamp(36px,4.6vw,64px);line-height:1.06;letter-spacing:-.032em;font-weight:600}
.hl{background:linear-gradient(100deg,#5A97F8 0%,#22d3ee 32%,#5A97F8 62%,#5A97F8 100%);
  background-size:220% auto;-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  filter:drop-shadow(0 0 28px rgba(91,151,248,.42));animation:shimmer 6s linear infinite}
@keyframes shimmer{to{background-position:220% center}}

/* стеклянный бейдж */
.badge{backdrop-filter:blur(10px);background:rgba(21,27,37,.55);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 4px 22px rgba(0,0,0,.35)}

/* кнопки: глянцевый свайп */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{content:"";position:absolute;top:0;bottom:0;left:-160%;width:75%;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.42),transparent);
  transform:skewX(-18deg);transition:left .6s var(--ease)}
.btn-primary:hover::after{left:165%}

/* превью: сцена, перспектива, свечение и вращающаяся градиентная рамка */
.preview-stage{position:relative;max-width:1080px;margin:68px auto 0;perspective:2000px}
.preview-glow{position:absolute;left:50%;top:6%;transform:translateX(-50%);width:80%;height:82%;z-index:0;
  pointer-events:none;border-radius:50%;
  background:radial-gradient(closest-side,rgba(59,130,246,.34),rgba(124,58,237,.13) 58%,transparent);filter:blur(54px)}
.preview{position:relative;z-index:1;margin:0;transform:rotateX(6deg);transform-origin:50% 0%;
  transition:transform .7s var(--ease);
  box-shadow:0 50px 130px rgba(0,0,0,.6),0 0 90px rgba(59,130,246,.16)}
.preview-stage:hover .preview{transform:rotateX(1.5deg) translateY(-4px)}
.preview::after{content:"";position:absolute;inset:0;border-radius:inherit;z-index:6;padding:1.5px;pointer-events:none;
  background:conic-gradient(from var(--ang),transparent 0 54%,rgba(91,151,248,.95) 68%,rgba(167,139,250,.95) 80%,transparent 90% 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;animation:borderspin 7s linear infinite}
@keyframes borderspin{to{--ang:360deg}}

@media (prefers-reduced-motion:reduce){.hero-beam,.hl,.preview::after{animation:none}.preview{transform:none}}
@media (max-width:560px){.h1{font-size:32px}.preview{transform:none}}

/* ===== Жмякабельный орб ===== */
.orb-core{cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.orb-core.squish{animation:none;transform:scale(.84)!important;transition:transform .1s ease}
.orb-core.pop{animation:pop .55s cubic-bezier(.34,1.56,.64,1)}
@keyframes pop{0%{transform:scale(.84)}45%{transform:scale(1.16)}72%{transform:scale(.95)}100%{transform:scale(1)}}
.orb .shock{position:absolute;z-index:3;width:92px;height:92px;border-radius:28px;left:50%;top:50%;margin:-46px 0 0 -46px;
  border:2px solid rgba(91,151,248,.75);pointer-events:none;animation:shock .65s var(--ease) forwards}
@keyframes shock{0%{opacity:.75;transform:scale(.9)}100%{opacity:0;transform:scale(2.5)}}
.orb .spark{position:absolute;z-index:3;left:50%;top:50%;width:7px;height:7px;margin:-3.5px;border-radius:50%;
  background:linear-gradient(140deg,#5A97F8,#5A97F8);pointer-events:none;animation:spark .6s var(--ease) forwards}
@keyframes spark{0%{opacity:1;transform:translate(0,0) scale(1)}100%{opacity:0;transform:translate(var(--dx),var(--dy)) scale(.3)}}

/* ===================== ИНТЕРАКТИВНЫЙ ИНБОКС ===================== */
.pv-main{height:440px}
.pv-body{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column}
.pv-body>.pv-empty{flex:1}
.pv-body::-webkit-scrollbar,.pv-msgs::-webkit-scrollbar{width:9px}
.pv-body::-webkit-scrollbar-thumb,.pv-msgs::-webkit-scrollbar-thumb{background:#222c3a;border-radius:9px;border:3px solid transparent;background-clip:content-box}
.pv-body::-webkit-scrollbar-thumb:hover,.pv-msgs::-webkit-scrollbar-thumb:hover{background:#2c3a4d;background-clip:content-box}

/* список */
.pv-list{display:flex;flex-direction:column;padding:6px}
.pv-row{display:flex;gap:12px;align-items:flex-start;width:100%;text-align:left;background:none;border:0;cursor:pointer;font:inherit;color:inherit;padding:12px 14px;border-radius:10px;transition:background .15s}
.pv-row:hover{background:rgba(255,255,255,.04)}
.pv-rava{width:40px;height:40px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;font-family:"Geist"}
.pv-rava.sm{width:32px;height:32px;border-radius:9px;font-size:13px}
.pv-rc{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.pv-r1{display:flex;justify-content:space-between;align-items:center;gap:8px}
.pv-r1 b{font-size:14.5px;color:var(--txt);font-weight:600}
.pv-rt{font-size:12px;color:var(--dim);flex-shrink:0}
.pv-r2{display:flex;justify-content:space-between;align-items:center;gap:8px}
.pv-rmsg{font-size:13px;color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pv-un{font-style:normal;font-size:11px;font-weight:700;color:#fff;background:var(--blue);min-width:18px;height:18px;border-radius:100px;display:grid;place-items:center;padding:0 5px;flex-shrink:0}
.pv-r3{display:flex;gap:7px;align-items:center;margin-top:3px}
.pv-ch{font-size:11px;font-weight:600}
.pv-st{font-size:11px;font-weight:500;padding:2px 8px;border-radius:100px}
.pv-st.ai{color:#8fb8ff;background:rgba(59,130,246,.14)}
.pv-st.warn{color:#f0a868;background:rgba(224,151,62,.14)}
.pv-st.ok{color:#5fd0a3;background:rgba(39,194,138,.14)}

/* чат */
.pv-chat{display:flex;flex-direction:column;height:100%}
.pv-chead{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border)}
.pv-back{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--surf);border:1px solid var(--border);color:var(--body);cursor:pointer}
.pv-back:hover{color:#fff}
.pv-chi{display:flex;flex-direction:column;line-height:1.25}
.pv-chi b{font-size:14px;color:var(--txt)}
.pv-chi span{font-size:12px;color:var(--mut)}
.pv-msgs{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:18px 16px}
.pv-m{display:flex;align-items:flex-end;gap:7px;max-width:80%}
.pv-m.them{align-self:flex-start}
.pv-m.me,.pv-m.ai{align-self:flex-end;flex-direction:row-reverse}
.pv-bub{padding:10px 13px;border-radius:14px;font-size:13.5px;line-height:1.5;word-break:break-word}
.pv-m.them .pv-bub{background:var(--surf2);color:var(--txt);border-bottom-left-radius:5px}
.pv-m.me .pv-bub{background:linear-gradient(180deg,var(--blue-hi),var(--blue));color:#fff;border-bottom-right-radius:5px}
.pv-m.ai .pv-bub{background:rgba(59,130,246,.12);color:#dbe7ff;border:1px solid rgba(59,130,246,.22);border-bottom-right-radius:5px}
.pv-aitag{font-size:10px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--blue-hi),#2f6fe0);padding:2px 6px;border-radius:6px;flex-shrink:0;line-height:1.4}
.pv-typing{display:flex;gap:4px;align-items:center}
.pv-typing i{width:6px;height:6px;border-radius:50%;background:#8fb8ff;animation:typing 1s infinite}
.pv-typing i:nth-child(2){animation-delay:.15s}
.pv-typing i:nth-child(3){animation-delay:.3s}
@keyframes typing{0%,60%,100%{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.pv-inp{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--border)}
.pv-inp input{flex:1;background:var(--surf);border:1px solid var(--border);border-radius:10px;padding:11px 14px;color:var(--txt);font-size:13.5px;font-family:inherit}
.pv-inp input:focus{outline:none;border-color:var(--blue)}
.pv-inp button{width:42px;border-radius:10px;border:0;cursor:pointer;display:grid;place-items:center;color:#fff;background:linear-gradient(180deg,var(--blue-hi),var(--blue))}
.pv-inp button:hover{filter:brightness(1.08)}

/* панели */
.pv-pane{padding:18px 18px 24px;display:flex;flex-direction:column;gap:12px}
.pv-ph{font-family:"Geist";font-size:18px;font-weight:600;color:var(--txt);margin-bottom:2px}
.pv-qr{background:var(--surf);border:1px solid var(--border);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.pv-qr b{font-family:"Geist Mono",monospace;font-size:13px;color:var(--blue)}
.pv-qr span{font-size:13px;color:var(--body)}
.pv-task{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;background:var(--surf);border:1px solid var(--border);cursor:pointer;font-size:14px;color:var(--body);user-select:none}
.pv-task i{width:18px;height:18px;border-radius:6px;border:1.5px solid var(--border2);flex-shrink:0;display:grid;place-items:center;transition:.15s}
.pv-task.done i{background:var(--green);border-color:var(--green)}
.pv-task.done i::after{content:"✓";color:#08110d;font-size:12px;font-weight:800}
.pv-task.done span{color:var(--mut);text-decoration:line-through}
.pv-src{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pv-srcc{display:flex;align-items:center;gap:10px;padding:14px;border-radius:12px;background:var(--surf);border:1px solid var(--border)}
.pv-srcc b{font-size:14px;flex:1}
.pv-srcst{font-size:11px;font-weight:600;color:#5fd0a3;background:rgba(39,194,138,.14);padding:3px 9px;border-radius:100px}
.pv-srcst.soon{color:var(--mut);background:var(--surf2)}
.pv-set{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px;border-radius:10px;background:var(--surf);border:1px solid var(--border);font-size:14px;color:var(--body)}
.pv-tg{width:38px;height:22px;border-radius:100px;background:var(--surf2);border:1px solid var(--border2);position:relative;cursor:pointer;transition:.2s;flex-shrink:0}
.pv-tg::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--mut);transition:.2s}
.pv-tg.on{background:var(--blue);border-color:var(--blue)}
.pv-tg.on::after{left:18px;background:#fff}

/* ===================== СКРОЛЛ-ПОЛИРОВКА ===================== */
html{scrollbar-color:#28354a transparent}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#222c3b;border-radius:10px;border:3px solid #0b0e16}
::-webkit-scrollbar-thumb:hover{background:#2e3d54}

.scroll-prog{position:fixed;top:0;left:0;height:3px;width:100%;transform:scaleX(0);transform-origin:0 50%;z-index:100;
  background:linear-gradient(90deg,#5A97F8,#22d3ee,#5A97F8);box-shadow:0 0 12px rgba(91,151,248,.55);will-change:transform}
.nav.scrolled{background:rgba(9,12,18,.86);box-shadow:0 8px 30px rgba(0,0,0,.45)}

/* stagger-появление детей */
.reveal.stagger{opacity:1;transform:none}
.reveal.stagger>*{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.stagger.in>*{opacity:1;transform:none}
.reveal.stagger.in>:nth-child(2){transition-delay:.09s}
.reveal.stagger.in>:nth-child(3){transition-delay:.18s}
.reveal.stagger.in>:nth-child(4){transition-delay:.27s}
.reveal.stagger.in>:nth-child(5){transition-delay:.36s}
.reveal.stagger.in>:nth-child(6){transition-delay:.45s}

/* ===================== МУЛЬТИСТРАНИЧНОСТЬ ===================== */
/* плавные переходы между страницами (cross-document) */
@view-transition { navigation: auto; }
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) { animation: vtOut .25s var(--ease) both; }
  ::view-transition-new(root) { animation: vtIn .4s var(--ease) both; }
}

/* внутренние страницы: hero компактнее */
.page-hero { max-width: 820px; margin: 0 auto; text-align: center; padding-top: 40px; }
.page-hero .h1 { font-size: clamp(34px,4.4vw,56px); }

/* Блог */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card { display: flex; flex-direction: column; gap: 12px; padding: 26px; border-radius: 16px;
  background: var(--surf); border: 1px solid var(--border); transition: transform .2s var(--ease), border-color .2s; }
.post-card:hover { transform: translateY(-4px); border-color: #2e3a4d; }
.post-card .tag { align-self: flex-start; font-family: "Geist Mono", monospace; font-size: 12px; color: var(--blue);
  background: rgba(59,130,246,.12); padding: 4px 10px; border-radius: 100px; }
.post-card h3 { font-size: 20px; line-height: 1.3; }
.post-card p { color: var(--body); font-size: 14.5px; line-height: 1.6; flex: 1; }
.post-card .meta { font-size: 13px; color: var(--mut); }

/* Статья / юр-страница (длинный текст) */
.article { max-width: 760px; margin: 0 auto; }
.article .tag { font-family: "Geist Mono", monospace; font-size: 13px; color: var(--blue); letter-spacing: .1em; }
.article h1 { font-size: clamp(30px,3.6vw,46px); line-height: 1.12; margin: 14px 0 10px; }
.article .meta { color: var(--mut); font-size: 14px; margin-bottom: 32px; }
.article h2 { font-size: 26px; margin: 36px 0 14px; }
.article h3 { font-size: 19px; margin: 26px 0 10px; }
.article p, .article li { color: var(--body); font-size: 17px; line-height: 1.75; }
.article ul, .article ol { padding-left: 22px; display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.article p { margin: 14px 0; }
.article a { color: var(--blue-hi); }
.article blockquote { border-left: 3px solid var(--blue); padding: 6px 0 6px 18px; margin: 20px 0; color: var(--txt); font-size: 18px; }

/* Контакты */
.contacts { max-width: 760px; margin: 0 auto; display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.contact-card { padding: 26px; border-radius: 16px; background: var(--surf); border: 1px solid var(--border); }
.contact-card h3 { font-size: 17px; margin-bottom: 6px; }
.contact-card a, .contact-card p { color: var(--body); font-size: 15px; }
.contact-card a { color: var(--blue-hi); }
@media (max-width:860px){ .blog-grid{grid-template-columns:1fr} .contacts{grid-template-columns:1fr} }

/* ===================== ДОВОДКА (senior polish) ===================== */
::selection { background: rgba(59,130,246,.32); color: #fff; }
:focus-visible { outline: 2px solid var(--blue-hi); outline-offset: 2px; border-radius: 5px; }
a, button, summary, input, .pv-row, .pv-tab, .orb-core { -webkit-tap-highlight-color: transparent; }
.btn:focus-visible { outline-offset: 3px; }
img, svg { vertical-align: middle; }
.article a { border-bottom: 1px solid rgba(90,151,248,.45); transition: border-color .15s, color .15s; }
.article a:hover { color: #fff; border-color: var(--blue-hi); }
.section.hero.short { padding-top: 56px; }
.page-hero .lead { margin: 0 auto; }
/* активная ссылка в навбаре — тонкое подчёркивание */
.nav-links a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--blue-hi); border-radius: 2px; }
.nav-links a { position: relative; }
/* аккуратный скролл якорей под липкий навбар уже есть; добавим плавность фокуса полей */
input:focus, .cta-form input:focus { outline: none; }

/* ===================== ПРЕМИУМ-ФОН (conic mesh) ===================== */
.aurora .mesh{position:absolute;inset:-35%;border-radius:50%;
  background:conic-gradient(from 0deg at 50% 50%,#1e3a8a,#1e3a8a,#0e7490,#2563eb,#1e40af,#1e40af,#1e3a8a);
  filter:blur(130px);opacity:.4;mix-blend-mode:screen;will-change:transform;animation:meshspin 42s linear infinite}
@keyframes meshspin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.aurora .mesh{animation:none;opacity:.28}}

/* ===================== МОБИЛЬНОЕ МЕНЮ ===================== */
.nav-burger{display:none;background:none;border:0;color:var(--txt);cursor:pointer;padding:6px;margin-left:auto}
@media (max-width:980px){
  .nav-in{flex-wrap:wrap}
  .nav-burger{display:inline-flex}
  .nav-right{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;margin-top:12px}
  .nav.open .nav-right{display:flex}
  .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:0}
  .nav-links a{padding:13px 2px;border-bottom:1px solid var(--border);font-size:16px}
  .nav-links a.active::after{display:none}
  .nav-right .btn{margin-top:14px;justify-content:center}
}

/* ===================== ПЕРЕКЛЮЧАТЕЛЬ ДЕМО-КАНАЛОВ ===================== */
.demo-switch{display:flex;gap:5px;justify-content:center;align-items:center;margin:52px auto 0;padding:5px;
  background:rgba(21,27,37,.7);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:100px;width:max-content;max-width:100%;flex-wrap:wrap}
.demo-switch button{border:0;background:none;color:var(--mut);font:inherit;font-size:14px;font-weight:500;padding:9px 18px;border-radius:100px;cursor:pointer;transition:color .2s,background .2s;white-space:nowrap}
.demo-switch button:hover{color:var(--txt)}
.demo-switch button.active{background:linear-gradient(180deg,var(--blue-hi),var(--blue));color:#fff;box-shadow:0 4px 14px rgba(59,130,246,.4)}
.demo-view[hidden]{display:none}
.demo-view{animation:fadeUp .4s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.preview-stage .preview{margin-top:0}

/* мокапы каналов (бот/виджет) */
.chat-demo{max-width:560px;margin:0 auto;border-radius:20px;overflow:hidden;border:1px solid var(--border2);background:var(--surf);box-shadow:0 40px 120px rgba(0,0,0,.55),0 0 80px rgba(59,130,246,.1)}
.cd-head{display:flex;align-items:center;gap:12px;padding:15px 18px;border-bottom:1px solid var(--border);background:var(--surf)}
.cd-ava{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:16px;flex-shrink:0}
.cd-head b{font-size:15px;display:block;color:var(--txt)}
.cd-head .cd-sub{font-size:12px;color:var(--green)}
.cd-body{display:flex;flex-direction:column;gap:9px;padding:20px 18px;min-height:320px;background:var(--bg2)}
.cd-msg{max-width:82%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5}
.cd-msg.them{align-self:flex-start;background:var(--surf2);color:var(--txt);border-bottom-left-radius:5px}
.cd-msg.ai{align-self:flex-end;color:#fff;border-bottom-right-radius:5px}
.cd-meta{align-self:flex-end;font-size:11px;color:var(--mut);margin:-3px 2px 4px}
.chat-demo.tg .cd-msg.ai,.chat-demo.tg .cd-ava{background:#2AABEE}
.chat-demo.vk .cd-msg.ai,.chat-demo.vk .cd-ava{background:#0077FF}
.chat-demo.widget .cd-msg.ai{background:linear-gradient(180deg,var(--blue-hi),var(--blue))}
.chat-demo.widget .cd-ava{background:linear-gradient(135deg,var(--blue-hi),#2f6fe0)}
.cd-input{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-top:1px solid var(--border);color:var(--dim);font-size:14px;background:var(--surf)}
.cd-input svg{width:18px;height:18px;stroke:var(--mut);fill:none;stroke-width:2}

/* ===================== SENIOR REVIEW: успокоение/премиум ===================== */
/* 9. контраст тусклого текста */
:root{ --mut:#9aa3b2; --dim:#6b7689; }

/* 1. спокойный фон: 2 мягких блоба + еле заметный mesh */
.aurora .mesh{opacity:.12;animation-duration:80s}
.blob.b3,.blob.b4{display:none}
.blob.b1{background:#1e3a8a;animation:calmA 34s ease-in-out infinite}
.blob.b2{background:#15315c;animation:calmB 42s ease-in-out infinite}
@keyframes calmA{0%,100%{transform:translate(0,0) scale(1);opacity:.30}50%{transform:translate(120px,80px) scale(1.1);opacity:.45}}
@keyframes calmB{0%,100%{transform:translate(0,0) scale(1.05);opacity:.24}50%{transform:translate(-100px,70px) scale(1);opacity:.40}}
/* на текстовых страницах фон ещё тише: mesh глуше */
.article ~ *, .article{}

/* 3. «74%» — статичный акцент, без переливания (убираем AI-тэлл) */
.hl{animation:none;background:none;-webkit-text-fill-color:currentColor;color:var(--blue-hi);filter:none}

/* 2. меньше градиентного «глянца»: hero-луч мягче, статичный */
.hero-beam{animation:none;opacity:.5}

/* 6. превью без 3D-наклона — ровно, с мягким свечением */
.preview{transform:none}
.preview-stage:hover .preview{transform:translateY(-3px)}

/* 7. плотнее вертикальный ритм */
.section{padding:84px 24px}
.section.hero{padding-top:92px;padding-bottom:64px}
.section.band{padding-block:56px}

/* ===================== АКЦЕНТ НА ЧЁРНОМ (убрать фиолет/индиго) ===================== */
.aurora{background:#07080B}
.aurora .mesh{display:none}                 /* цветной conic-mesh — долой */
.blob.b2{display:none}                       /* индиго-блоб — долой */
.blob.b1{background:#15315c}                 /* единственный — глубокий сине-чёрный, еле заметный */
@keyframes calmA{0%,100%{transform:translate(0,0) scale(1);opacity:.16}50%{transform:translate(90px,60px) scale(1.08);opacity:.28}}
.grain{background:linear-gradient(180deg,rgba(7,8,11,.2) 0%,rgba(7,8,11,.6) 60%,#07080B 100%)}
/* hero-луч — тонкий синий, без фиолетового конуса */
.hero-beam{background:radial-gradient(42% 55% at 50% 0%,rgba(59,130,246,.2),transparent 70%);opacity:.6;filter:blur(18px)}
.preview-glow{background:radial-gradient(closest-side,rgba(59,130,246,.22),rgba(59,130,246,.05) 55%,transparent)}
/* фиолетовые акценты → синий/тёмный */
.pv-ava{background:linear-gradient(135deg,#3b82f6,#1f3a6b)!important}
.pv-aitag,.cd-ava{background:linear-gradient(135deg,var(--blue-hi),#2f6fe0)!important}
.cta-panel{background:linear-gradient(135deg,#0f1a2e,#0a0d14);border-color:#1c2a44}