:root {
  --bg:      #0b0e14;
  --s1:      #111520;
  --s2:      #161c2b;
  --border:  #1e2740;
  --accent:  #4f8ef7;
  --green:   #00d4aa;
  --text:    #e8edf7;
  --muted:   #6b7a99;
  --error:   #f75f5f;
  --warn:    #f7c948;
  --r:       14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;font-size:15px;line-height:1.6;min-height:100vh;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse 70% 50% at 15% 20%,rgba(79,142,247,.09),transparent 60%),radial-gradient(ellipse 55% 40% at 85% 75%,rgba(0,212,170,.07),transparent 60%);pointer-events:none;z-index:0}
body::after{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(79,142,247,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(79,142,247,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;z-index:0}

/* HEADER */
header{position:relative;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:20px 40px;border-bottom:1px solid var(--border);background:rgba(11,14,20,.85);backdrop-filter:blur(16px)}
.logo{display:flex;align-items:center;gap:12px;font-family:'Rajdhani',sans-serif;font-size:22px;font-weight:700;letter-spacing:.05em;color:var(--text);text-decoration:none}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),var(--green));border-radius:10px;display:flex;align-items:center;justify-content:center}
.logo-icon svg{width:20px;height:20px;fill:#fff}
.logo em{color:var(--accent);font-style:normal}
.badge{display:flex;align-items:center;gap:8px;padding:7px 16px;background:rgba(0,212,170,.1);border:1px solid rgba(0,212,170,.25);border-radius:100px;font-size:13px;font-weight:500;color:var(--green)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 2s ease-in-out infinite}
.history-btn{display:flex;align-items:center;gap:6px;padding:7px 16px;background:rgba(79,142,247,.1);border:1px solid rgba(79,142,247,.25);border-radius:100px;font-size:13px;font-weight:500;color:var(--accent);cursor:pointer;transition:background .2s}
.history-btn:hover{background:rgba(79,142,247,.2)}

/* History Panel */
.history-panel{position:fixed;top:0;right:0;width:340px;height:100vh;background:var(--s1);border-left:1px solid var(--border);z-index:200;display:flex;flex-direction:column;box-shadow:-8px 0 32px rgba(0,0,0,.4)}
.hist-head{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--border);font-family:'Rajdhani',sans-serif;font-size:16px;font-weight:700;letter-spacing:.04em}
.hist-close{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:4px 8px;border-radius:6px;transition:background .15s}
.hist-close:hover{background:var(--s2);color:var(--text)}
#historyList{flex:1;overflow-y:auto;padding:12px}
.hist-row{display:flex;justify-content:space-between;align-items:center;padding:12px;background:var(--s2);border:1px solid var(--border);border-radius:10px;margin-bottom:8px}
.hist-left{display:flex;flex-direction:column;gap:3px}
.hist-amt{font-weight:600;font-size:15px}
.hist-date{font-size:11px;color:var(--muted)}
.hist-status{font-size:12px;font-weight:500}
.hist-status.s-completed{color:var(--green)}
.hist-status.s-pending{color:var(--warn)}
.hist-status.s-paid{color:var(--accent)}
.hist-status.s-failed,.hist-status.s-cancelled{color:var(--error)}
.hist-loading,.hist-empty{text-align:center;color:var(--muted);font-size:13px;padding:32px}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}

/* LAYOUT */
main{position:relative;z-index:5;max-width:1100px;margin:0 auto;padding:60px 24px 80px;display:grid;grid-template-columns:1fr 440px;gap:40px;align-items:start}

/* LEFT */
.left h1{font-family:'Rajdhani',sans-serif;font-size:42px;font-weight:700;line-height:1.1;margin-bottom:16px}
.left h1 .hl{color:var(--accent)}
.left .sub{color:var(--muted);max-width:420px;margin-bottom:36px}
.feats{display:flex;flex-direction:column;gap:14px;margin-bottom:44px}
.feat{display:flex;align-items:center;gap:14px;padding:14px 18px;background:var(--s1);border:1px solid var(--border);border-radius:var(--r);transition:border-color .2s}
.feat:hover{border-color:rgba(79,142,247,.4)}
.fi{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.fi.b{background:rgba(79,142,247,.15)}.fi.g{background:rgba(0,212,170,.15)}.fi.y{background:rgba(247,201,72,.15)}
.ft{font-weight:600;font-size:14px}.fs{font-size:13px;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stat{padding:18px;background:var(--s1);border:1px solid var(--border);border-radius:var(--r);text-align:center}
.sn{font-family:'Rajdhani',sans-serif;font-size:30px;font-weight:700;color:var(--accent);line-height:1;margin-bottom:4px}
.sl{font-size:12px;color:var(--muted)}

/* CARD */
.card{background:var(--s1);border:1px solid var(--border);border-radius:20px;box-shadow:0 4px 40px rgba(0,0,0,.55);overflow:hidden;position:sticky;top:24px}
.ch{padding:24px 28px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:14px}
.slogo{width:44px;height:44px;background:linear-gradient(135deg,#1b9ac2,#1b5ea8);border-radius:12px;display:flex;align-items:center;justify-content:center}
.slogo svg{width:26px;height:26px;fill:#fff}
.cht{font-family:'Rajdhani',sans-serif;font-size:20px;font-weight:700;letter-spacing:.03em}
.chs{font-size:13px;color:var(--muted)}
.cb{padding:24px 28px;display:flex;flex-direction:column;gap:20px}

/* STEPS indicator */
.steps-nav{display:flex;gap:0;border-bottom:1px solid var(--border);padding:0 28px}
.step-tab{flex:1;padding:14px 0;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:center;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .2s;cursor:default}
.step-tab.active{color:var(--accent);border-color:var(--accent)}
.step-tab.done{color:var(--green);border-color:var(--green)}

/* Form controls */
.label{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.rtabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.rtab{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;background:var(--s2);border:1.5px solid var(--border);border-radius:12px;cursor:pointer;transition:all .2s;font-size:12px;font-weight:500;color:var(--muted);user-select:none}
.rtab .flag{font-size:22px}
.rtab:hover{border-color:var(--accent);color:var(--text)}
.rtab.active{border-color:var(--accent);background:rgba(79,142,247,.12);color:var(--accent)}
.cbadge{font-size:10px;padding:2px 6px;border-radius:4px;background:rgba(79,142,247,.18);color:var(--accent);font-weight:600}

.field{display:flex;flex-direction:column;gap:8px}
.iw{position:relative;display:flex;align-items:center}
.iw svg{position:absolute;left:14px;width:18px;height:18px;fill:var(--muted);pointer-events:none;transition:fill .2s}
.iw:focus-within svg{fill:var(--accent)}
input[type=text],input[type=number]{width:100%;background:var(--s2);border:1.5px solid var(--border);border-radius:12px;color:var(--text);font-family:'Inter',sans-serif;font-size:15px;padding:13px 14px 13px 44px;outline:none;transition:border-color .2s,box-shadow .2s;-moz-appearance:textfield}
input::-webkit-inner-spin-button,input::-webkit-outer-spin-button{-webkit-appearance:none}
input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,142,247,.15)}
input::placeholder{color:var(--muted)}
input.err{border-color:var(--error)}
.hint{font-size:12px;color:var(--muted)}.hint.e{color:var(--error)}

.presets{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.pb{padding:10px 4px;background:var(--s2);border:1.5px solid var(--border);border-radius:10px;cursor:pointer;font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:var(--muted);text-align:center;transition:all .15s;user-select:none}
.pb:hover{border-color:var(--accent);color:var(--text)}
.pb.active{border-color:var(--accent);background:rgba(79,142,247,.12);color:var(--accent)}

.aw{position:relative}
.aw input{padding-right:56px}
.asuf{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:14px;font-weight:600;color:var(--muted);pointer-events:none;transition:color .2s}
.aw:focus-within .asuf{color:var(--accent)}

/* Summary */
.sum{background:var(--s2);border:1px solid var(--border);border-radius:12px;padding:16px}
.sr{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:14px}
.sr .sl2{color:var(--muted)}.sr .sv{font-weight:600}
.sr.tot{border-top:1px solid var(--border);margin-top:8px;padding-top:12px}
.sr.tot .sl2{color:var(--text);font-weight:600}
.sr.tot .sv{font-family:'Rajdhani',sans-serif;font-size:22px;color:var(--accent)}
.cred{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--green);margin-top:4px}

/* Payment methods (step 2) */
.pms{display:flex;flex-direction:column;gap:10px}
.pm{display:flex;align-items:center;gap:14px;padding:16px;background:var(--s2);border:1.5px solid var(--border);border-radius:14px;cursor:pointer;transition:all .2s;user-select:none}
.pm:hover{border-color:var(--accent);transform:translateY(-1px)}
.pm.active{border-color:var(--accent);background:rgba(79,142,247,.08)}
.pm .pmi{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.pm .pmn{font-weight:600;font-size:15px}
.pm .pmd{font-size:12px;color:var(--muted);margin-top:2px}
.pm .pmb{margin-left:auto;font-size:11px;padding:4px 10px;border-radius:6px;font-weight:600;flex-shrink:0}
.bg{background:rgba(0,212,170,.15);color:var(--green)}
.bo{background:rgba(247,201,72,.15);color:var(--warn)}
.pm-radio{width:18px;height:18px;border-radius:50%;border:2px solid var(--border);flex-shrink:0;transition:all .2s;position:relative}
.pm.active .pm-radio{border-color:var(--accent);background:var(--accent)}
.pm.active .pm-radio::after{content:'';position:absolute;inset:3px;border-radius:50%;background:#fff}

/* Buttons */
.btn{width:100%;padding:16px;border:none;border-radius:14px;color:#fff;font-family:'Rajdhani',sans-serif;font-size:18px;font-weight:700;letter-spacing:.05em;cursor:pointer;transition:all .2s;position:relative;overflow:hidden}
.btn::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);opacity:0;transition:opacity .2s}
.btn:hover::before{opacity:1}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(79,142,247,.4)}
.btn:active{transform:translateY(0)}
.btn:disabled{background:var(--s2)!important;color:var(--muted);cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn:disabled::before{display:none}
.btn.primary{background:linear-gradient(135deg,var(--accent),#3a7ef0)}
.btn.green-btn{background:linear-gradient(135deg,#00b894,#00d4aa)}
.btn.green-btn:hover{box-shadow:0 8px 24px rgba(0,212,170,.35)}
.btn.back-btn{background:transparent;border:1.5px solid var(--border);color:var(--muted);font-family:'Inter',sans-serif;font-size:14px;font-weight:500;padding:12px}
.btn.back-btn:hover{border-color:var(--accent);color:var(--text);box-shadow:none;transform:none}
.pnote{text-align:center;font-size:12px;color:var(--muted)}
.pnote a{color:var(--accent);text-decoration:none}

/* Error banner */
.ebanner{display:none;align-items:center;gap:10px;padding:12px 16px;background:rgba(247,95,95,.1);border:1px solid rgba(247,95,95,.3);border-radius:10px;font-size:13px;color:var(--error)}
.ebanner.show{display:flex}

/* Modal */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);backdrop-filter:blur(8px);z-index:100;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
.overlay.show{opacity:1;pointer-events:all}
.modal{background:var(--s1);border:1px solid var(--border);border-radius:24px;padding:40px 36px;max-width:440px;width:90%;text-align:center;transform:translateY(24px) scale(.97);transition:transform .35s cubic-bezier(.34,1.56,.64,1);box-shadow:0 24px 80px rgba(0,0,0,.6)}
.overlay.show .modal{transform:translateY(0) scale(1)}
.mi{width:72px;height:72px;margin:0 auto 20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px}
.mi.proc{background:rgba(79,142,247,.15)}
.mi.ok{background:rgba(0,212,170,.15)}
.mi.fail{background:rgba(247,95,95,.15)}
.modal h2{font-family:'Rajdhani',sans-serif;font-size:26px;font-weight:700;margin-bottom:10px}
.modal p{color:var(--muted);font-size:14px;line-height:1.7}
.mact{margin-top:28px;display:flex;gap:12px;justify-content:center}
.mact button{padding:12px 24px;border-radius:10px;font-family:'Inter',sans-serif;font-size:14px;font-weight:500;cursor:pointer}
.mact .mbtn{background:var(--accent);border:none;color:#fff;font-weight:600}
.mact .mbtn:hover{opacity:.85}
.mact .mbtnout{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.mact .mbtnout:hover{border-color:var(--accent)}

.ssteps{display:flex;flex-direction:column;gap:10px;text-align:left;margin-top:20px}
.sstep{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;background:var(--s2);font-size:13px}
.sstep .si{font-size:16px;min-width:20px;text-align:center}
.sstep .st{color:var(--muted)}
.sstep.done{background:rgba(0,212,170,.08)}.sstep.done .st{color:var(--text)}
.sstep.act{background:rgba(79,142,247,.1)}.sstep.act .st{color:var(--accent)}
.sstep.act .si{display:inline-block;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ORDER STATUS RESULT */
.result-box{display:none;flex-direction:column;gap:14px;padding:20px;background:rgba(0,212,170,.06);border:1px solid rgba(0,212,170,.2);border-radius:16px}
.result-box.show{display:flex}
.result-row{display:flex;justify-content:space-between;font-size:14px}
.result-row .rk{color:var(--muted)}.result-row .rv{font-weight:600}

/* FAQ */
.faq{position:relative;z-index:5;max-width:1100px;margin:0 auto;padding:0 24px 80px}
.faqt{font-family:'Rajdhani',sans-serif;font-size:28px;font-weight:700;margin-bottom:24px}
.faqg{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.faqi{background:var(--s1);border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.faqq{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:500;font-size:14px;transition:color .2s;user-select:none}
.faqq:hover{color:var(--accent)}
.faqarr{width:22px;height:22px;border-radius:6px;background:var(--s2);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:12px;transition:transform .25px,background .2s}
.faqi.open .faqarr{transform:rotate(180deg);background:rgba(79,142,247,.15)}
.faqa{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faqai{padding:0 20px 16px;font-size:13px;color:var(--muted);line-height:1.8}

footer{position:relative;z-index:5;border-top:1px solid var(--border);padding:24px 40px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--accent)}
.flinks{display:flex;gap:24px}

@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.left h1{animation:fadeUp .6s ease both}
.left .sub{animation:fadeUp .6s .1s ease both}
.feats{animation:fadeUp .6s .18s ease both}
.stats{animation:fadeUp .6s .28s ease both}
.card{animation:fadeUp .6s .08s ease both}

@media(max-width:860px){
  header{padding:16px 20px}
  main{grid-template-columns:1fr;padding:36px 16px 60px}
  .left{order:2}.card{position:static;order:1}
  .left h1{font-size:32px}
  .faqg{grid-template-columns:1fr}
  footer{flex-direction:column;gap:16px;text-align:center}
  .flinks{flex-wrap:wrap;justify-content:center;gap:16px}
}
@media(max-width:480px){.presets{grid-template-columns:repeat(2,1fr)}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* YooKassa widget */
#ykContainer{margin-top:8px;min-height:0}
#ykContainer iframe{border-radius:12px}
#ykMount iframe{border-radius:12px}

/* Test card banner */
.test-card-banner{background:rgba(247,201,72,.07);border:1px solid rgba(247,201,72,.25);border-radius:12px;padding:14px 16px;margin-bottom:12px}
.tcb-title{font-size:12px;font-weight:600;color:var(--warn);margin-bottom:10px;letter-spacing:.03em}
.tcb-row{display:flex;justify-content:space-between;align-items:center;padding:4px 0;font-size:13px}
.tcb-row span{color:var(--muted)}
.tcb-row code{background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:6px;padding:3px 10px;font-family:monospace;font-size:13px;letter-spacing:.08em;cursor:pointer;transition:background .15s}
.tcb-row code:hover{background:rgba(79,142,247,.15);border-color:var(--accent)}
.tcb-note{font-size:11px;color:var(--muted);margin-top:8px;text-align:center}