:root{
  --bg:#ffffff;--bg2:#f1f8ff;--card:#ffffff;--line:#d6e6f7;
  --text:#0c2340;--muted:#5a7494;
  --b1:#0ea5e9;--b2:#2563eb;--b3:#06b6d4;--b4:#6366f1;--b5:#bae6fd;
  --grad:linear-gradient(135deg,#38bdf8 0%,#2563eb 55%,#4f46e5 100%);
  --grad-soft:linear-gradient(135deg,#e0f2fe 0%,#dbeafe 50%,#e0e7ff 100%);
  --shadow:0 10px 30px rgba(37,99,235,.10);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden}

/* Горизонтальная лента окон */
.deck{flex:1;min-height:0;display:flex;overflow:hidden;touch-action:pan-y;perspective:1400px}
.deck > .slide{flex:0 0 100%;width:100%;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;padding:32px 0;scrollbar-width:none}
.deck > .slide::-webkit-scrollbar{display:none}
.deck > .slide > .wrap{margin:auto;width:100%;will-change:transform,opacity}
.deck > .slide > footer{margin-top:24px;width:100%}
.deck > .slide > footer .wrap{margin:0 auto}

/* Нижний индикатор (только показывает, где вы) */
.bar{flex:none;display:flex;align-items:center;justify-content:center;gap:14px;height:56px;padding:0 16px;background:rgba(255,255,255,.9);border-top:1px solid var(--line)}
.dots{display:flex;align-items:center;gap:8px}
.dots span{width:10px;height:10px;border-radius:99px;background:var(--b5);transition:width .35s,background .3s}
.dots span.on{width:30px;background:var(--grad)}
.cur{min-width:110px;text-align:center;font-size:14px;color:var(--muted)}

/* Стрелки по бокам: окна идут, только пока курсор на стрелке */
.edge{position:fixed;top:60px;bottom:56px;width:12vw;max-width:180px;pointer-events:none;display:flex;align-items:center;z-index:5}
.edge::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .3s}
.edge.left{left:0;justify-content:flex-start;padding-left:16px}
.edge.right{right:0;justify-content:flex-end;padding-right:16px}
.edge.left::before{background:linear-gradient(90deg,rgba(56,189,248,.35),rgba(99,102,241,.12) 60%,transparent)}
.edge.right::before{background:linear-gradient(270deg,rgba(56,189,248,.35),rgba(99,102,241,.12) 60%,transparent)}
.edge.on::before{opacity:1}
.edge span{position:relative;display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);font-size:36px;line-height:1;color:var(--b2);opacity:0;transform:scale(.8);transition:opacity .3s,transform .3s;pointer-events:none}
.edge.can span{opacity:.75;transform:none;pointer-events:auto;cursor:pointer}
.edge.on span{opacity:1;transform:scale(1.15)}
@media (hover:none){.edge{display:none}}


.slide-note{display:flex;justify-content:center;gap:8px 24px;flex-wrap:wrap;margin:0 0 28px;padding:0 16px;font-size:14px;color:var(--muted)}
.slide-note span:first-child{font-weight:600;color:var(--b2)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:720px}
a{color:inherit;text-decoration:none}

.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:44px;width:auto;display:block}
.brand{font-weight:800;letter-spacing:.02em;color:#0a1a3f;font-size:18px}
.brand b{color:#1e7cf2;font-weight:800}

/* Эффекты при прокрутке: блоки выезжают по очереди, сверху полоска прогресса */
.js .reveal{opacity:0;translate:0 28px;scale:.97;
  transition:opacity .6s ease var(--d,0ms),translate .7s cubic-bezier(.2,.7,.2,1) var(--d,0ms),scale .7s cubic-bezier(.2,.7,.2,1) var(--d,0ms),transform .2s,box-shadow .2s}
.js .slide.active .reveal{opacity:1;translate:0 0;scale:1}
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:20}
.progress i{display:block;height:100%;background:var(--grad);transform-origin:0 50%;transform:scaleX(0);box-shadow:0 0 10px rgba(56,189,248,.7)}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;translate:none;scale:1;transition:none}html{scroll-behavior:auto}}

.btn{display:inline-block;background:var(--grad);background-size:140% 140%;color:#fff;font-weight:600;padding:12px 22px;border-radius:12px;border:0;cursor:pointer;font-size:16px;box-shadow:0 8px 20px rgba(37,99,235,.25);transition:transform .15s,box-shadow .15s,background-position .4s}
.btn:hover{transform:translateY(-1px);background-position:100% 100%;box-shadow:0 12px 26px rgba(37,99,235,.35)}
.btn.small{padding:7px 14px;font-size:14px;box-shadow:none}
.btn.ghost{background:#fff;color:var(--b2);border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{background:var(--bg2)}

.hero{position:relative;overflow:hidden;padding:76px 0 60px;
  background:
    radial-gradient(600px 360px at 85% 0%,rgba(56,189,248,.35),transparent 70%),
    radial-gradient(520px 340px at 5% 20%,rgba(99,102,241,.18),transparent 70%),
    radial-gradient(500px 300px at 50% 110%,rgba(6,182,212,.22),transparent 70%),
    #fff}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;background:var(--grad-soft);color:var(--b2);font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:12px;margin:0 0 14px;padding:5px 12px;border-radius:99px}
h1{font-size:clamp(30px,5vw,48px);line-height:1.15;margin:0 0 16px}
h1 em{font-style:normal;background:linear-gradient(90deg,#06b6d4,#2563eb,#6366f1);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:18px;margin:0 0 24px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.badges{list-style:none;padding:0;margin:24px 0 0;display:flex;gap:8px 20px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.badges li::before{content:"✓ ";color:var(--b1);font-weight:700}

.term{background:linear-gradient(160deg,#0b2a5b 0%,#12408f 55%,#1d4ed8 100%);border-radius:16px;overflow:hidden;box-shadow:0 24px 50px rgba(37,99,235,.30)}
.term-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.12);font:12px ui-monospace,monospace;color:#bcd6ff}
.term-bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.35)}
.term-bar span{margin-left:8px}
.term pre{margin:0;padding:16px;min-height:250px;font:13px/1.7 ui-monospace,"Cascadia Code",Consolas,monospace;color:#e6f0ff;white-space:pre-wrap}
.ok{color:#86efac}.er{color:#fca5a5}.wn{color:#fde68a}.in{color:#7dd3fc}

.sec{padding:68px 0}
.sec.alt{background:linear-gradient(180deg,#f1f8ff 0%,#e8f1ff 50%,#eef0ff 100%)}
h2{font-size:clamp(24px,3.5vw,32px);margin:0 0 28px}
h2::after{content:"";display:block;width:56px;height:4px;border-radius:4px;background:var(--grad);margin-top:10px}
.muted{color:var(--muted);margin-top:-12px;margin-bottom:28px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card,.case,.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.card:hover,.case:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(37,99,235,.18)}
.card:nth-child(1){background:linear-gradient(160deg,#fff 40%,#e0f2fe)}
.card:nth-child(2){background:linear-gradient(160deg,#fff 40%,#dbeafe)}
.card:nth-child(3){background:linear-gradient(160deg,#fff 40%,#e0e7ff)}
.card h3,.case h3{margin:8px 0 12px}
.card ul{margin:0;padding-left:18px;color:var(--muted)}
.card li{margin-bottom:6px}
.ico{width:58px;height:58px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,#e0f2fe,#dbeafe 55%,#e0e7ff);box-shadow:inset 0 0 0 1px rgba(37,99,235,.14),0 6px 14px rgba(37,99,235,.12)}
.ico svg{width:32px;height:32px}
.ico.sm{width:48px;height:48px;border-radius:14px;margin-bottom:12px}
.ico.sm svg{width:26px;height:26px}
.i{fill:none;stroke:url(#ig);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tag{display:inline-block;font-size:12px;color:var(--b2);background:var(--grad-soft);padding:3px 12px;border-radius:99px;font-weight:600}
.case p{color:var(--muted);margin:0}
.stat b{display:block;font-size:18px;margin-bottom:4px;background:linear-gradient(90deg,#0ea5e9,#4f46e5);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:14px}

.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps li{position:relative;counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;margin-bottom:12px}
.steps b{display:block;margin-bottom:6px}
.steps span{color:var(--muted);font-size:15px}

details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px;box-shadow:0 4px 14px rgba(37,99,235,.06)}
details[open]{border-color:var(--b5);background:linear-gradient(160deg,#fff,#f1f8ff)}
summary{cursor:pointer;font-weight:600}
details p{color:var(--muted);margin:10px 0 0}

.cta-sec{background:
  radial-gradient(500px 300px at 90% 0%,rgba(56,189,248,.25),transparent 70%),
  radial-gradient(500px 300px at 0% 100%,rgba(99,102,241,.15),transparent 70%),
  #f1f8ff}
form{display:grid;gap:16px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
input,select,textarea{font:inherit;color:var(--text);background:#f8fbff;border:1px solid var(--line);border-radius:10px;padding:12px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--b1);outline-offset:1px;background:#fff}
#status{margin:0;min-height:1.5em;color:var(--b2)}
#status.bad{color:#dc2626}

footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:14px;background:linear-gradient(90deg,#f1f8ff,#fff,#eef0ff)}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

@media (max-width:860px){
  .hero-in,.grid3{grid-template-columns:1fr}
  .grid4,.steps{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){.grid4,.steps{grid-template-columns:1fr}}

.ext{color:var(--b2);font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s}
.ext:hover{border-bottom-color:var(--b2)}

/* ---------- Графика ---------- */
.si{position:absolute;top:20px;right:20px;width:24px;height:24px;padding:8px;box-sizing:content-box;border-radius:12px;background:linear-gradient(135deg,#e0f2fe,#e0e7ff)}
.viz{display:block;width:100%;height:64px;margin-bottom:14px;padding:8px 10px;border-radius:12px;background:linear-gradient(135deg,#f1f8ff,#eef0ff)}

/* Фон первого экрана */
.hero > .slide-note,.hero > .wrap{position:relative;z-index:1}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(37,99,235,.20) 1.3px,transparent 1.6px);background-size:26px 26px;-webkit-mask-image:radial-gradient(ellipse at 72% 45%,#000 0,transparent 70%);mask-image:radial-gradient(ellipse at 72% 45%,#000 0,transparent 70%)}
.blob{position:absolute;border-radius:50%;filter:blur(46px);animation:drift 14s ease-in-out infinite alternate}
.b1{width:340px;height:340px;right:4%;top:-90px;background:#38bdf8;opacity:.40}
.b2{width:280px;height:280px;left:-70px;top:30%;background:#6366f1;opacity:.22;animation-delay:-5s}
.b3{width:300px;height:300px;left:42%;bottom:-120px;background:#06b6d4;opacity:.28;animation-delay:-9s}
.px{position:absolute;width:14px;height:14px;border-radius:3px;animation:bob 7s ease-in-out infinite}
.p1{left:6%;top:22%;background:#0b2a5b}
.p2{left:9%;top:30%;background:#2563eb;width:18px;height:18px;animation-delay:-2s}
.p3{left:4%;top:42%;background:#60a5fa;animation-delay:-4s}
.p4{left:48%;top:12%;background:#1d4ed8;width:10px;height:10px;animation-delay:-1s}
.p5{right:6%;bottom:16%;background:#38bdf8;animation-delay:-3s}
.p6{left:44%;bottom:14%;background:#0b2a5b;width:10px;height:10px;animation-delay:-5s}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(36px,24px) scale(1.12)}}
@keyframes bob{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-16px) rotate(12deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* Плашки вокруг терминала */
.hero-visual{position:relative;padding:22px 26px}
.chip{position:absolute;display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:14px;background:rgba(255,255,255,.93);backdrop-filter:blur(6px);border:1px solid var(--line);box-shadow:0 12px 28px rgba(37,99,235,.20);font-size:13px;font-weight:700;color:#0a1a3f;animation:float 6s ease-in-out infinite}
.chip svg{width:64px;height:24px}
.chip svg.i{width:22px;height:22px}
.chip svg.ring{width:30px;height:30px}
.c1{top:-2px;right:-6px}
.c2{bottom:6px;left:-14px;animation-delay:-2s}
.c3{right:-12px;bottom:70px;animation-delay:-4s}
.c4{left:14px;top:-16px;animation-delay:-3s}

/* Мягкие пятна на остальных экранах */
.sec{position:relative;isolation:isolate}
.sec::before,.sec::after{content:"";position:absolute;z-index:-1;pointer-events:none;width:520px;height:520px}
.sec::before{left:-170px;top:-170px;background:radial-gradient(circle,rgba(56,189,248,.24),transparent 65%)}
.sec::after{right:-190px;bottom:-190px;background:radial-gradient(circle,rgba(99,102,241,.18),transparent 65%)}
.sec.alt{background:radial-gradient(rgba(37,99,235,.13) 1.3px,transparent 1.6px) 0 0/28px 28px,linear-gradient(180deg,#f1f8ff 0%,#e8f1ff 50%,#eef0ff 100%)}

@media (max-width:860px){.c2,.c4{display:none}.c1{right:0}.c3{right:0}}
@media (prefers-reduced-motion:reduce){.blob,.px,.chip{animation:none}}

.deck > .slide:last-child{padding-bottom:0}

/* ---------- Цены ---------- */
.card ul.plist{list-style:none;padding:0;margin:14px 0 0}
.plist li{display:flex;align-items:baseline;gap:10px;margin:0;padding:9px 0;border-bottom:1px dashed var(--line);font-size:15px}
.plist span{flex:1;color:var(--muted)}
.plist b{white-space:nowrap;color:var(--text)}
.plist li.top{margin-top:10px;padding:11px 14px;border:0;border-radius:12px;background:var(--grad);box-shadow:0 8px 18px rgba(37,99,235,.28)}
.plist li.top span,.plist li.top b{color:#fff;font-weight:700}

.deck > .slide:last-child{padding-bottom:0}
.price{padding:18px 22px}
.price .ico{width:46px;height:46px;border-radius:13px}
.price .ico svg{width:26px;height:26px}
.price h3{margin:6px 0 4px}
.card ul.plist{margin-top:8px}
.plist li{padding:7px 0}
.plist li.top{margin-top:8px;padding:10px 14px}