:root{
  --bg:#0B1026; --bg2:#121838; --card:rgba(255,255,255,.045); --line:rgba(255,255,255,.10);
  --text:#EEF1FA; --muted:#9AA3C0; --accent:#FFD23F; --mint:#5EEAD4; --red:#FF4D6D;
  --r:22px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:400 16px/1.55 Inter,system-ui,sans-serif;overflow-x:hidden;
  background-image:radial-gradient(900px 600px at 85% -10%,rgba(94,234,212,.13),transparent 60%),
  radial-gradient(800px 500px at -10% 30%,rgba(255,210,63,.07),transparent 60%)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-weight:900;letter-spacing:-.02em;line-height:1.08}
h1{font-size:clamp(38px,6.4vw,74px)}
h2{font-size:clamp(28px,4vw,44px)}
em{font-family:Lora,serif;font-style:italic;font-weight:600;color:var(--accent);letter-spacing:0}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--mint)}
.muted{color:var(--muted)}
section{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-head p{margin-top:12px;color:var(--muted)}

/* nav */
nav{position:sticky;top:0;z-index:20;background:rgba(11,16,38,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;gap:14px;height:64px}
.brand{font-weight:900;letter-spacing:.06em;font-size:15px;display:flex;align-items:center;gap:9px}
.brand i{width:30px;height:30px;border-radius:9px;background:var(--accent);color:var(--bg);display:grid;place-items:center;font-style:normal;font-size:13px}
.sp{flex:1}
.lang{display:flex;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:3px}
.lang button{border:0;background:none;color:var(--muted);font:700 13px Inter;padding:6px 12px;border-radius:99px;cursor:pointer}
.lang button.on{background:var(--accent);color:var(--bg)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:14px 22px;font:800 15px Inter;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px)}
.btn-y{background:var(--accent);color:var(--bg);box-shadow:0 10px 30px -10px rgba(255,210,63,.6)}
.btn-o{border-color:rgba(255,255,255,.28);color:var(--text)}
.btn-k{background:#F14635;color:#fff}
.btn-w{background:#25D366;color:#06260f}
.btn-sm{padding:9px 14px;font-size:13px;border-radius:11px}

/* hero */
.hero{padding:70px 0 40px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero p.lead{font-size:18px;color:var(--muted);margin:22px 0 30px;max-width:540px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}
.chip{font-size:13px;font-weight:700;padding:7px 12px;border-radius:99px;background:var(--card);border:1px solid var(--line)}
.chip b{color:var(--accent)}
.flask{position:relative;aspect-ratio:1;max-width:420px;margin-left:auto;width:100%}
.orb{position:absolute;inset:8%;border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(94,234,212,.35),rgba(18,24,56,.2) 60%),var(--bg2);border:1px solid var(--line);box-shadow:inset 0 0 80px rgba(94,234,212,.12)}
.el{position:absolute;width:74px;height:74px;border-radius:16px;background:rgba(18,20,40,.82);border:1px solid var(--line);display:flex;flex-direction:column;justify-content:center;align-items:center;font-weight:900;font-size:26px;backdrop-filter:blur(6px);animation:fl 6s ease-in-out infinite}
.el small{font-size:10px;color:var(--muted);font-weight:600}
.el.y{color:var(--accent)} .el.m{color:var(--mint)}
@keyframes fl{50%{transform:translateY(-12px)}}
.ring{position:absolute;inset:22%;border-radius:50%;border:1.5px dashed rgba(255,210,63,.4);animation:spin 30s linear infinite}
.ring::after{content:"";position:absolute;top:-7px;left:50%;width:13px;height:13px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px var(--accent)}
@keyframes spin{to{transform:rotate(360deg)}}
.core{position:absolute;inset:40%;border-radius:50%;background:radial-gradient(circle,#FFE58A,var(--accent) 50%,#c79a00);box-shadow:0 0 60px rgba(255,210,63,.55)}

/* cards */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.feat .ic{font-size:30px;margin-bottom:14px}
.feat h3{font-size:19px;margin-bottom:8px}
.feat .n{font-size:34px;font-weight:900;color:var(--accent);margin-top:12px}
.feat p{color:var(--muted);font-size:14.5px}

.grades{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.grade{text-align:center;padding:26px 14px;position:relative;overflow:hidden}
.grade .big{font-size:58px;font-weight:900;line-height:1}
.grade .lbl{color:var(--muted);font-size:13px;margin:4px 0 14px}
.grade ul{list-style:none;font-size:13.5px;text-align:left;display:grid;gap:5px}
.grade li{display:flex;justify-content:space-between;gap:6px;border-top:1px solid var(--line);padding-top:5px}
.grade li b{color:var(--accent)}

.demo{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
.demo .card{display:flex;flex-direction:column;gap:12px}
.demo .row{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto}
.screen{border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:#000;position:relative}
.screen iframe{width:200%;height:200%;transform:scale(.5);transform-origin:0 0;border:0;pointer-events:none}

/* pricing */
.prices{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.price{padding:30px;display:flex;flex-direction:column;gap:14px}
.price.hot{border-color:rgba(255,210,63,.55);background:linear-gradient(160deg,rgba(255,210,63,.12),rgba(255,255,255,.03) 50%)}
.tag{align-self:flex-start;background:var(--accent);color:var(--bg);font-weight:800;font-size:12px;padding:5px 10px;border-radius:99px}
.amount{font-size:52px;font-weight:900;line-height:1}
.amount s{font-size:20px;color:var(--muted);font-weight:600;margin-left:10px}
.price ul{list-style:none;display:grid;gap:8px;color:#d6dbec;font-size:15px}
.price li::before{content:"✓";color:var(--mint);font-weight:900;margin-right:9px}
.price .btns{display:grid;gap:10px;margin-top:auto}
select{background:var(--bg2);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:12px;font:700 15px Inter;width:100%}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step .num{width:40px;height:40px;border-radius:50%;background:var(--accent);color:var(--bg);display:grid;place-items:center;font-weight:900;margin-bottom:14px}
.step h3{font-size:19px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14.5px}

.login{max-width:620px;margin:0 auto;text-align:center;padding:40px 28px}
.login form{display:flex;gap:10px;margin-top:22px}
.login input{flex:1;min-width:0;background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:14px;padding:14px 16px;font:800 17px Inter;letter-spacing:.08em;text-transform:uppercase}
.login input:focus{outline:2px solid var(--accent)}
.err{color:var(--red);font-weight:700;margin-top:12px;min-height:1.4em}

details{border-bottom:1px solid var(--line);padding:18px 0}
summary{font-weight:800;font-size:17px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:10px}
summary::after{content:"+";color:var(--accent);font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:10px}

footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* cabinet */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 8px}
.tabs button{border:1px solid var(--line);background:var(--card);color:var(--text);font:800 15px Inter;padding:10px 18px;border-radius:12px;cursor:pointer}
.tabs button.on{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.group{margin-top:34px}
.group h3{font-size:20px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.group h3 span{font-size:13px;color:var(--bg);background:var(--mint);border-radius:99px;padding:2px 9px}
.items{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.item{display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:16px;background:var(--card);border:1px solid var(--line);transition:border-color .15s,transform .15s}
.item:hover{border-color:rgba(255,210,63,.6);transform:translateY(-2px)}
.item .ic{font-size:22px;line-height:1.2}
.item b{display:block;font-size:14.5px;line-height:1.35}
.item small{color:var(--muted);font-size:12.5px}
.search{width:100%;max-width:380px;background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:12px;padding:11px 14px;font:600 15px Inter}

@media (max-width:900px){
  .hero-grid,.prices,.demo{grid-template-columns:1fr}
  .flask{max-width:300px;margin:0 auto}
  .grid4{grid-template-columns:1fr 1fr}
  .grades{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  section{padding:54px 0}
  .grid4{grid-template-columns:1fr}
  .login form{flex-direction:column}
  .brand span{display:none}
  .amount{font-size:44px}
}

/* акция и Kaspi-перевод */
.promo{font-size:15px;font-weight:800;color:var(--accent);margin-top:8px;letter-spacing:.02em}
.amount s{margin-left:0}
.kaspi{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-color:rgba(241,70,53,.5);background:linear-gradient(150deg,rgba(241,70,53,.14),rgba(255,255,255,.03) 60%)}
.kphone{font-size:clamp(26px,4vw,36px);font-weight:900;letter-spacing:.02em;margin:6px 0 2px}
.grade ul{gap:7px}
.grade li{justify-content:flex-start;font-size:13px}
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,40px);opacity:0;background:#1d2448;border:1px solid var(--accent);color:var(--text);padding:12px 18px;border-radius:14px;font-weight:700;font-size:14px;z-index:50;transition:.25s;max-width:calc(100% - 32px);text-align:center}
#toast.on{opacity:1;transform:translate(-50%,0)}