/* Full-bleed hero, connected-channel identity and calm editorial motion. */
html{scroll-padding-top:84px}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;border-bottom:1px solid transparent;box-shadow:none;
  transition:background .38s ease,border-color .38s ease,box-shadow .38s ease;
  -webkit-backdrop-filter:none;backdrop-filter:none;
}
.nav.scrolled,.nav.menu-open{
  background:rgba(255,255,255,.94);border-bottom-color:rgba(34,86,124,.08);
  box-shadow:0 10px 28px rgba(29,71,101,.07);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
}
.nav .brand{color:#153a53}
.nav-links{color:#305b77}
.nav .nav-links .btn{background:rgba(255,255,255,.7);box-shadow:none}
.nav.scrolled .nav-links .btn{background:#f3f9fd}

.hero{padding:0;background:#fff;overflow:visible}
.hero-frame{
  width:100%;max-width:none;margin:0;border-radius:0;box-shadow:none;
  min-height:100svh;min-height:100vh;
  background:linear-gradient(153deg,#a8c9df 0%,#b7d6ea 42%,#deeff8 76%,#fff 100%);
}
@supports(height:100svh){.hero-frame{min-height:100svh}}
.hero-frame::before{width:min(80vw,1000px);height:min(80vw,920px);top:-20%;right:-2%;opacity:.9}
.hero-frame::after{height:23%;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.66) 56%,#fff)}
.hero-inner{
  max-width:1920px;min-height:100vh;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:90px clamp(24px,5.2vw,112px) 28px;
}
@supports(height:100svh){.hero-inner{min-height:100svh}}
.hero-topline{min-height:42px;z-index:9}
.hero-topbrand{color:#2c5f82}
.hero-platforms{display:flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:flex-end}
.mini-platform,.yandex-rating{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:37px;padding:6px 11px;border-radius:20px;
  border:1px solid rgba(255,255,255,.74);background:rgba(255,255,255,.57);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:0 7px 18px rgba(46,118,161,.07);
  font-size:10px;font-weight:850;color:#285c7a;white-space:nowrap;
}
.mini-platform img{width:19px;height:19px;object-fit:contain}
.mini-platform:first-child img{width:26px}
.yandex-rating{background:#fff;gap:6px;color:#163850;font-size:14px;padding-right:13px}
.yandex-rating .rating-star{color:#fdad1c;font-size:18px}
.yandex-rating small{max-width:68px;line-height:1.15;white-space:normal;font-size:7px;color:#64859c;text-align:left;font-weight:700}
.hero-main{min-height:0;flex:1;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:24px}
.hero-copy{padding:12px 0 18px}
.hero h1{font-size:clamp(58px,5.6vw,111px);margin-top:18px;margin-bottom:18px}
.hero-sub{margin-bottom:21px}
.hero-art{height:clamp(370px,53vh,585px)}
.hero-object{width:min(105%,820px);top:-8%;left:-3%}
.hero-ui{top:28%}
.floating-tag{top:8%}
.hero-benefits{max-width:1000px;min-height:126px;margin:0 0 4px auto;gap:14px}
.hero-benefit{min-height:122px;padding:16px 20px 15px}
.hero-benefit h3{font-size:18px;margin-top:10px}
.hero-benefit p{font-size:10px}
.benefit-soft .benefit-label{top:17px;left:67px}

/* Cross-channel familiarity is recognizable, not an assertion of live integrations. */
.channels{padding:74px 0 84px;background:#fff}
.channels-header{max-width:800px;margin-bottom:29px}
.channels-header .heading{font-size:clamp(37px,4.5vw,61px);max-width:790px;margin:17px 0 13px}
.channels-header .heading em{font:inherit;color:#086eb5}
.channels-header>p{max-width:680px;color:#667988;font-size:14px;line-height:1.8}
.channel-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.channel-card{
  min-width:0;display:flex;align-items:center;gap:17px;position:relative;
  padding:20px 16px;border:1px solid #e5edf4;border-radius:23px;
  box-shadow:0 10px 28px rgba(43,98,143,.07);background:#fff;
  transition:transform .25s ease,box-shadow .25s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:0 17px 34px rgba(43,98,143,.12)}
.channel-icon{width:55px;height:55px;flex:0 0 55px;display:grid;place-items:center;border-radius:18px;background:#f0f8fd}
.channel-icon img{display:block;width:33px;height:33px;object-fit:contain}
.channel-card:first-child .channel-icon img{width:34px;height:34px}
.channel-card>div:nth-child(2){min-width:0}
.channel-card strong{display:block;font-size:15px;line-height:1.4;color:#183d58}
.channel-card span{display:block;margin-top:4px;font-size:11px;line-height:1.5;color:#72899a}
.channel-card>b{margin-left:auto;font-size:18px;color:#0c89d9}
.channel-note{font-size:10px;color:#8b9ba7;margin:18px 0 0}

/* Review carousel: demonstration-only examples with explicit, visible labeling. */
.reviews{padding:96px 0;background:linear-gradient(150deg,#f3f9fd,#fff 74%)}
.reviews-heading{display:grid;grid-template-columns:1.35fr .65fr;align-items:end;gap:60px;margin-bottom:28px}
.reviews-heading .heading{max-width:750px;margin:16px 0 0}
.reviews-heading .heading em{font:inherit;color:#0775bd}
.reviews-heading>p{max-width:360px;color:#6f8492;font-size:13px;line-height:1.75}
.reviews-shell{border:1px solid #dbeaf4;border-radius:30px;background:rgba(255,255,255,.88);box-shadow:0 22px 60px rgba(37,99,139,.1);overflow:hidden}
.review-panel{position:relative;padding:38px 50px 14px;min-height:255px}
.review-quote-symbol{font:800 100px/1 Georgia,serif;color:#c9e7fa;position:absolute;right:44px;top:12px;pointer-events:none}
.review-slide{margin:0;position:relative;z-index:1}
.review-slide[hidden]{display:none!important}
.review-slide blockquote{max-width:800px;font:700 clamp(20px,2.9vw,34px)/1.4 var(--sans);letter-spacing:-.045em;color:#20435d;margin:0 0 28px}
.review-slide blockquote strong{color:#017bd4}
.review-slide figcaption{display:flex;align-items:center;gap:11px;color:#28536e;font-size:12px}
.review-slide figcaption strong,.review-slide figcaption small{display:block}
.review-slide figcaption small{font-size:10px;font-weight:500;color:#819aaa}
.review-avatar{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#e6f4fe;color:#0787d9;font-size:12px;font-weight:850}
.review-slide.review-enter{animation:reviewIn .45s cubic-bezier(.15,.75,.25,1) both}
@keyframes reviewIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.reviews-controls{border-top:1px solid #e5eff7;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 28px}
.reviews-counter{color:#51748c;font-size:11px;letter-spacing:.13em;font-weight:900}
.reviews-dots,.reviews-arrows{display:flex;align-items:center;gap:8px}
.reviews-dot{height:8px;width:8px;border:0;border-radius:8px;background:#c9dfeb;padding:0;transition:width .23s,background .23s}
.reviews-dot.active{width:27px;background:#0787d9}
.reviews-arrows button{height:39px;width:39px;border:1px solid #cfe2ef;border-radius:50%;background:#fff;color:#1e6f9f;font-size:18px;transition:background .2s,transform .2s}
.reviews-arrows button:hover{background:#e7f5ff;transform:translateY(-2px)}
.reviews-caveat{color:#8299a8;font-size:10px;line-height:1.6;margin:15px 0 0}

.who-image img{filter:none!important;opacity:1!important}

/* JS enables these transitions only after observers have been registered. */
.motion-ready .motion-reveal{opacity:0;transform:translate3d(0,24px,0);filter:blur(5px);transition:opacity .72s cubic-bezier(.2,.75,.3,1),transform .72s cubic-bezier(.2,.75,.3,1),filter .72s ease}
.motion-ready .motion-reveal.is-visible{opacity:1;transform:translate3d(0,0,0);filter:blur(0);animation:none}
.motion-ready .motion-reveal[data-stagger="1"]{transition-delay:.08s}
.motion-ready .motion-reveal[data-stagger="2"]{transition-delay:.16s}
.motion-ready .motion-reveal[data-stagger="3"]{transition-delay:.24s}

@media(max-width:1100px){
  .hero-inner{padding:86px 32px 24px}
  .hero-main{gap:4px;grid-template-columns:.9fr 1.1fr}
  .hero h1{font-size:clamp(52px,6vw,74px)}
  .hero-art{height:clamp(340px,48vh,500px)}
  .hero-benefits{gap:9px}
  .hero-benefit{padding:16px;min-height:114px}
  .hero-benefit h3{font-size:15px}
  .hero-benefit p{font-size:9px}
  .hero-platforms{gap:5px}
  .mini-platform{font-size:9px;padding:5px 8px}
}
@media(max-width:800px){
  .nav-links{background:rgba(255,255,255,.96);box-shadow:0 18px 30px rgba(21,81,129,.09);border-bottom-color:#e6f1f8}
  .hero{padding:0}
  .hero-frame{width:100%;margin:0;border-radius:0}
  .hero-inner{padding:86px 25px 22px;min-height:100svh}
  .hero-topline{align-items:flex-start;flex-direction:column;gap:8px}
  .hero-platforms{justify-content:flex-start;gap:6px}
  .hero-main{display:grid;grid-template-columns:1fr;flex:none}
  .hero-copy{padding:24px 0 0}
  .hero h1{max-width:650px;font-size:clamp(53px,8.7vw,79px);margin:15px 0 14px}
  .hero-sub{max-width:530px;margin-bottom:16px}
  .hero-art{height:clamp(295px,40vh,390px);max-width:560px;margin:0 auto}
  .hero-object{width:86%;top:-12%;left:2%}
  .hero-ui{width:83%;right:2%;top:22%}
  .floating-tag{top:6%;right:3%}
  .hero-benefits{gap:8px;min-height:0;margin:0}
  .hero-benefit{min-height:108px;padding:12px 12px 13px}
  .hero-benefit h3{font-size:14px}
  .channels{padding:64px 0}
  .channel-list{grid-template-columns:1fr;gap:10px}
  .channel-card{padding:13px 16px}
  .reviews{padding:75px 0}
  .reviews-heading{grid-template-columns:1fr;gap:8px}
  .reviews-heading>p{max-width:620px}
}
@media(max-width:530px){
  .hero-inner{padding:77px 16px 16px}
  .hero-topbrand{display:none}
  .hero-topline{min-height:30px}
  .hero-platforms{width:100%;gap:5px;flex-wrap:nowrap;justify-content:space-between}
  .mini-platform,.yandex-rating{min-height:31px;border-radius:14px;padding:5px 7px;font-size:8px;gap:4px}
  .mini-platform img{width:15px;height:15px}
  .mini-platform:first-child img{width:21px}
  .yandex-rating{font-size:10px;gap:3px}
  .yandex-rating .rating-star{font-size:13px}
  .yandex-rating small{font-size:5.6px;max-width:45px}
  .hero-copy{padding:15px 0 0}
  .hero-kicker{padding:7px 10px;font-size:9px}
  .hero h1{font-size:clamp(45px,11.5vw,65px);margin:13px 0 11px;line-height:.99}
  .hero-sub{max-width:360px;font-size:11.5px;line-height:1.5;margin-bottom:13px}
  .hero-actions{flex-direction:row;gap:12px}
  .hero-actions .btn{width:auto;min-height:42px;padding:0 13px;font-size:9.5px;gap:8px}
  .hero-actions .plain-link{font-size:10px;align-self:center}
  .hero-art{height:clamp(235px,32vh,300px);margin:-2px auto 0}
  .hero-object{width:83%;top:-11%;left:1%}
  .hero-ui{width:89%;top:20%;right:1%}
  .floating-tag{top:0;font-size:8px}
  .hero-benefits{gap:5px;margin-top:0;grid-template-columns:repeat(3,minmax(0,1fr))}
  .hero-benefit{min-height:89px;padding:9px 8px}
  .hero-benefit h3{font-size:11px;line-height:1.15;margin-top:7px}
  .hero-benefit .benefit-label{font-size:6.7px}
  .benefit-icon{height:21px;width:21px;font-size:14px}
  .channels-header .heading{font-size:clamp(34px,8.8vw,43px)}
  .channels-header>p{font-size:12px}
  .review-panel{padding:26px 22px 15px;min-height:290px}
  .review-quote-symbol{font-size:70px;top:8px;right:20px}
  .review-slide blockquote{font-size:clamp(19px,5vw,25px);line-height:1.4;margin-bottom:24px}
  .reviews-controls{padding:14px 18px}
  .reviews-heading .heading{font-size:clamp(34px,9vw,46px)}
}
@media(max-height:680px) and (max-width:800px){.hero-inner{min-height:100svh;height:auto}.hero-art{height:230px}}
@media(max-width:380px){
  .hero-platforms .mini-platform{font-size:0;min-width:29px;min-height:29px;padding:5px}
  .hero-platforms .mini-platform img{width:20px;height:20px}
  .hero-platforms .mini-platform:first-child img{width:23px}
  .hero-platforms .yandex-rating{padding:5px 7px}
}
@media(prefers-reduced-motion:reduce){
  .nav,.channel-card,.reviews-dot,.reviews-arrows button{transition:none!important}
  .motion-ready .motion-reveal{opacity:1;transform:none;filter:none;transition:none!important}
  .review-slide.review-enter{animation:none}
}