:root{
  --bg:#05070f;
  --bg2:#0a1020;
  --panel:rgba(15,23,46,.55);
  --panel-2:rgba(20,30,58,.85);
  --border:rgba(105,135,225,.16);
  --border-2:rgba(105,135,225,.32);
  --text:#e8edf9;
  --muted:#96a3c0;
  --vk:#0077ff;
  --cyan:#00c6ff;
  --purple:#8b5cf6;
  --pink:#ec4899;
  --good:#34d399;
  --warn:#fbbf24;
  --bad:#f87171;
  --grad:linear-gradient(120deg,#0077ff 0%,#00c6ff 45%,#8b5cf6 100%);
  --grad-soft:linear-gradient(120deg,rgba(0,119,255,.16),rgba(139,92,246,.16));
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --radius:18px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  color-scheme:dark;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;padding:10px 16px;background:var(--grad);color:#fff;font-weight:700;border-radius:0 0 12px 0;text-decoration:none}
.skip-link:focus{left:8px;outline:2px solid var(--cyan)}
button.gen-link{appearance:none;-webkit-appearance:none;cursor:pointer;text-align:left;font-family:var(--mono)}
body{
  font-family:"Manrope","Segoe UI",Roboto,system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(0,119,255,.35)}
a{color:inherit}
img,svg{display:block}
section[id]{scroll-margin-top:92px}

/* ---------- фон ---------- */
.bg{position:fixed;inset:0;z-index:-2;overflow:hidden;background:radial-gradient(1200px 800px at 75% -10%,#0b1533 0%,transparent 60%),radial-gradient(900px 700px at -10% 110%,#160f33 0%,transparent 60%),var(--bg)}
.aurora{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;mix-blend-mode:screen;will-change:transform}
.a1{width:520px;height:520px;background:radial-gradient(circle,rgba(0,119,255,.55),transparent 65%);top:-160px;left:-120px;animation:drift 22s ease-in-out infinite}
.a2{width:460px;height:460px;background:radial-gradient(circle,rgba(139,92,246,.5),transparent 65%);top:30%;right:-140px;animation:drift 26s ease-in-out infinite reverse}
.a3{width:380px;height:380px;background:radial-gradient(circle,rgba(0,198,255,.4),transparent 65%);bottom:-120px;left:32%;animation:drift 30s ease-in-out infinite}
@keyframes drift{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  33%{transform:translate3d(60px,40px,0) scale(1.12)}
  66%{transform:translate3d(-40px,-30px,0) scale(.94)}
}
.grid{position:absolute;inset:0;background-image:linear-gradient(rgba(110,140,230,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(110,140,230,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(900px 700px at 50% 0%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(900px 700px at 50% 0%,#000 30%,transparent 75%)}
#net{position:absolute;inset:0;width:100%;height:100%;opacity:.5}

/* ---------- шапка ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding-top:env(safe-area-inset-top);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(5,7,15,.62);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
nav.scrolled{background:rgba(5,7,15,.82);border-color:var(--border)}
.nav-inner{max-width:1120px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:.3px;text-decoration:none}
.logo{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,119,255,.45)}
.logo svg{width:19px;height:19px}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{padding:8px 13px;border-radius:10px;font-size:14px;font-weight:600;color:var(--muted);text-decoration:none;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--text);background:rgba(105,135,225,.1)}
.nav-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:12px;background:var(--grad);color:#fff;font-weight:700;font-size:14px;text-decoration:none;box-shadow:0 8px 24px rgba(0,119,255,.4);transition:transform .2s,box-shadow .2s;white-space:nowrap}

.burger{display:none;margin-left:auto;background:none;border:1px solid var(--border);border-radius:10px;width:42px;height:42px;cursor:pointer;color:var(--text);align-items:center;justify-content:center}
.burger svg{width:22px;height:22px}
.mobile-menu{display:none;flex-direction:column;padding:8px 22px 18px;border-bottom:1px solid var(--border);background:rgba(5,7,15,.95)}
.mobile-menu a{padding:13px 8px;border-radius:10px;font-size:15px;font-weight:600;color:var(--muted);text-decoration:none}
.mobile-menu.open{display:flex}
.prog-switch{display:flex;align-items:stretch;gap:3px;padding:3px;background:rgba(10,14,28,.6);border:1px solid var(--border);border-radius:14px}
.prog-btn{display:flex;flex-direction:column;align-items:flex-start;gap:1px;padding:7px 14px;border:0;border-radius:11px;background:transparent;color:var(--muted);cursor:pointer;font-family:inherit;text-align:left;transition:background .2s,color .2s}
.prog-btn b{font-size:13px;font-weight:700;color:var(--text);white-space:nowrap}
.prog-btn span{font-size:10px;line-height:1.15;color:var(--muted);white-space:nowrap}
.prog-btn:hover{background:rgba(105,135,225,.08)}
.prog-btn.active{background:var(--grad)}
.prog-btn.active b{color:#fff}
.prog-btn.active span{color:rgba(255,255,255,.78)}
.program{display:none}
.program.active{display:block}

/* ---------- герой ---------- */
.hero{padding:150px 22px 24px;position:relative}
.hero .wrap{max-width:1120px;margin:0 auto}
.hero-inner{text-align:center;max-width:740px;margin:0 auto}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-1px;line-height:1.12;margin-bottom:18px;text-wrap:balance}
.hero-inner>p{color:var(--muted);font-size:clamp(15px,1.7vw,18px);max-width:580px;margin:0 auto 30px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:16px 28px;border-radius:14px;font-weight:700;font-size:16px;text-decoration:none;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s,background .2s}
.btn svg{width:20px;height:20px}
.btn-primary{position:relative;overflow:hidden;background:var(--grad);color:#fff;box-shadow:0 12px 34px rgba(0,119,255,.45),0 0 0 0 rgba(0,119,255,.5);background-size:150% 150%;animation:btnGlow 3.2s ease-in-out infinite}
.btn-primary::after{content:"";position:absolute;inset:-25%;z-index:0;border-radius:inherit;background:radial-gradient(circle at 50% 50%,rgba(0,198,255,.5),transparent 60%);opacity:.3;transform:scale(1);animation:btnGlow 3.2s ease-in-out infinite;pointer-events:none}
.btn-primary>*{position:relative;z-index:1}
@keyframes btnGlow{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:.65;transform:scale(1.08)}}

/* ---------- секции ---------- */
section.block{padding:96px 22px;position:relative}
#guide-qwdtt,#guide-tg{padding-top:60px}
.wrap{max-width:1120px;margin:0 auto}
.sec-head{text-align:center;max-width:680px;margin:0 auto 54px}
.sec-tag{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.2px;text-transform:uppercase;color:var(--vk);margin-bottom:14px}
h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.6px;line-height:1.16;text-wrap:balance}
.sec-head p{color:var(--muted);margin-top:16px;font-size:16.5px}

/* шаги */
.steps{display:grid;gap:26px;max-width:820px;margin:0 auto;position:relative}
.step{position:relative;display:grid;grid-template-columns:auto 1fr;gap:22px;padding-left:8px}
.step::before{content:"";position:absolute;left:35px;top:64px;bottom:-26px;width:2px;background:linear-gradient(180deg,var(--vk),var(--purple));transform:scaleY(0);transform-origin:top;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.step.in::before{transform:scaleY(1)}
.step:last-child::before{display:none}
.step-num{position:relative;z-index:1;width:72px;height:72px;border-radius:22px;display:grid;place-items:center;background:var(--panel-2);border:1px solid var(--border-2);font-size:24px;font-weight:800;color:#fff;box-shadow:0 0 30px rgba(0,119,255,.15);flex:none}
.step-num .glow{position:absolute;inset:-6px;border-radius:26px;background:var(--grad);filter:blur(16px);opacity:.35;z-index:-1}
.step-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px 28px;backdrop-filter:blur(8px)}
.step-card h3{font-size:20px;font-weight:800;margin-bottom:8px}
.step-card h3 .n{color:var(--vk)}
.step-card>p{color:var(--muted);font-size:14.5px}
.step-body{margin-top:16px;display:grid;gap:12px}
.srow{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#c9d5ee}
.srow .tic{flex:none;width:22px;height:22px;border-radius:7px;background:rgba(52,211,153,.14);border:1px solid rgba(52,211,153,.4);display:grid;place-items:center;margin-top:1px}
.srow .tic svg{width:12px;height:12px;color:var(--good);stroke:var(--good)}
.srow b{color:#eaf0ff;font-weight:700}
.codebox{background:#070c1a;border:1px solid var(--border);border-radius:12px;padding:13px 15px;font-family:var(--mono);font-size:12.8px;overflow-x:auto;white-space:nowrap;color:#9fd4ff;display:flex;align-items:center;gap:10px}
.codebox .arrow{color:var(--muted);flex:none}
.copy-btn{flex:none;display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:10px;background:rgba(0,119,255,.12);border:1px solid var(--border-2);color:#bfe0ff;font-size:12.5px;font-weight:700;cursor:pointer;transition:background .2s,transform .15s;font-family:inherit;text-decoration:none}
.copy-btn:hover{background:rgba(0,119,255,.22)}
.copy-btn.copied{background:rgba(52,211,153,.18);border-color:rgba(52,211,153,.5);color:var(--good)}
.tbl{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:rgba(10,16,30,.5)}
.tbl-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 18px;border-top:1px solid var(--border)}
.tbl-row:first-child{border-top:none}
.tbl-row span{font-size:13.5px;color:var(--muted);font-weight:600;display:flex;align-items:center;gap:8px}
.tbl-row code{font-family:var(--mono);font-size:13px;color:#bfe0ff;background:rgba(0,119,255,.08);padding:4px 9px;border-radius:7px;border:1px solid var(--border)}
.callout{display:flex;gap:14px;padding:16px 18px;border-radius:14px;border:1px solid rgba(251,191,36,.4);background:rgba(251,191,36,.08)}
.callout .ci{flex:none;width:22px;height:22px;display:grid;place-items:center;color:var(--warn);margin-top:2px}
.callout .ci svg{width:20px;height:20px}
.callout p{font-size:14px;color:#ffe4b8}
.callout b{color:#fff2d4}
.callout.good{border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.07)}
.callout.good .ci{color:var(--good)}
.callout.good p{color:#b7f4dd}
.callout.good b{color:#eafff5}

/* генератор */
.gen{max-width:900px;margin:0 auto}
.gen-card{background:var(--panel-2);border:1px solid var(--border-2);border-radius:22px;padding:34px;backdrop-filter:blur(10px);box-shadow:var(--shadow)}
.gen-input{display:flex;gap:12px;flex-wrap:wrap}
.gen-field{flex:1;min-width:240px;display:grid;gap:8px}
.gen-field label{font-size:13px;font-weight:700;color:var(--muted)}
.gen-field input{width:100%;padding:15px 17px;border-radius:13px;background:#070c1a;border:1px solid var(--border-2);color:var(--text);font-family:var(--mono);font-size:13.5px;outline:none;transition:border-color .2s,box-shadow .2s}
.gen-field input:focus{border-color:var(--vk);box-shadow:0 0 0 4px rgba(0,119,255,.15)}
.gen-fields{display:grid;gap:10px;flex:1 1 100%}
.gen-controls{display:flex;gap:10px;flex-wrap:wrap}
.gen-controls .btn{align-self:center}
.btn-ghost{background:rgba(0,119,255,.12);border:1px solid var(--border-2);color:#bfe0ff;box-shadow:none}
.btn-ghost:hover{background:rgba(0,119,255,.22)}
.gen-field-row{display:flex;gap:8px;align-items:center}
.gen-field-row input{flex:1;min-width:0}
.field-del{flex:none;width:28px;height:28px;border-radius:9px;border:1px solid var(--border-2);background:rgba(255,71,87,.1);color:#ff7d8a;font-size:18px;line-height:1;cursor:pointer;display:grid;place-items:center;font-family:inherit;transition:background .2s}
.field-del:hover{background:rgba(255,71,87,.22)}
.gen-out{display:none;margin-top:26px;padding-top:24px;border-top:1px solid var(--border)}
.gen-out.show{display:grid;animation:fadeUp .5s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.gen-rows{display:grid;gap:12px}
.gen-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.gen-actions{display:flex;flex-direction:column;gap:8px;flex:none}
.gen-row .gl{font-size:13px;font-weight:700;color:var(--muted);min-width:96px}
.gen-link{flex:1;min-width:240px;font-family:var(--mono);font-size:12.3px;background:#070c1a;border:1px solid var(--border);border-radius:12px;padding:13px 15px;color:#9fd4ff;overflow-x:auto;white-space:nowrap}
.gen-link.wrap{white-space:normal;word-break:break-all;line-height:1.55;cursor:pointer}
.qr-area{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;margin-top:24px}
.qr-box{width:196px;height:196px;padding:12px;background:#fff;border-radius:16px;display:grid;place-items:center}
.qr-box svg{width:100%;height:100%}
.qr-hint{color:var(--muted);font-size:14px}
.qr-hint b{color:#eaf0ff}
.qr-hint p{margin:8px 0 0}
.qr-hint ol{margin:10px 0 0 18px;display:grid;gap:6px;font-size:13.5px}
.gen-out .callout{margin-top:26px}
.err-msg{display:none;margin-top:12px;color:var(--bad);font-size:13.5px;font-weight:600}
.err-msg.show{display:block;animation:fadeUp .3s}

.dl-hint{color:var(--muted);font-size:13px;margin-top:10px;line-height:1.4}
[data-apk][hidden]{display:none!important}

/* уведомление по центру экрана */
.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.94);background:rgba(10,16,30,.94);border:1px solid var(--border-2);color:var(--text);padding:14px 28px;border-radius:14px;font-weight:700;font-size:15px;box-shadow:var(--shadow);z-index:300;opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease}
.toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}

/* faq */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:16px;background:var(--panel);overflow:hidden;transition:border-color .3s}
.faq-item.open{border-color:var(--border-2);background:var(--panel-2)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:none;border:none;color:var(--text);font-family:inherit;font-size:16px;font-weight:700;text-align:left;cursor:pointer}
.faq-q .qic{flex:none;width:26px;height:26px;border-radius:8px;background:var(--grad-soft);border:1px solid var(--border-2);display:grid;place-items:center;color:var(--vk);transition:transform .3s}
.faq-q .qic svg{width:15px;height:15px}
.faq-item.open .qic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:14.5px}
.faq-a p b{color:#eaf0ff}
.faq-a p code{font-family:var(--mono);color:#9fd4ff;font-size:13px;background:rgba(0,119,255,.08);padding:2px 6px;border-radius:6px}
.faq-a .faq-body{padding:0 22px 20px;display:grid;gap:14px}
.faq-a .faq-body p{padding:0;margin:0}

/* футер */
footer{border-top:1px solid var(--border);background:rgba(5,7,15,.7);padding:54px 22px 40px}
.foot{max-width:1120px;margin:0 auto;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.foot .left{display:flex;align-items:center;gap:12px}
.foot .left .logo{width:30px;height:30px;border-radius:9px}
.foot .left .logo svg{width:16px;height:16px}
.foot .left b{font-size:15px}
.foot .left span{display:block;font-size:12px;color:var(--muted)}
.foot-links{display:flex;gap:8px;flex-wrap:wrap}
.foot-links a{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:11px;border:1px solid var(--border);font-size:13.5px;font-weight:700;color:var(--muted);text-decoration:none;transition:.2s}
.foot-links a:hover{color:var(--text);border-color:var(--border-2)}
.foot-links svg{width:16px;height:16px}
.foot-note{margin-top:30px;padding-top:20px;border-top:1px solid var(--border);font-size:12.5px;color:#5c6a8a;text-align:center}

/* плавающая кнопка подписки на Telegram */
.tg-float{position:fixed;right:calc(18px + env(safe-area-inset-right));bottom:calc(18px + env(safe-area-inset-bottom));z-index:90;display:inline-flex;align-items:center;gap:9px;padding:13px 20px;border-radius:999px;background:var(--grad);background-size:150% 150%;color:#fff;font-weight:700;font-size:14px;text-decoration:none;box-shadow:0 12px 34px rgba(0,119,255,.5);transition:transform .2s,box-shadow .2s,background .2s}
.tg-float svg{width:19px;height:19px;flex:none}


/* появление при скролле */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}

/* responsive */
@media(max-width:960px){
  .qr-area{grid-template-columns:1fr;justify-items:center;text-align:center}
  .qr-hint ol{text-align:left}
  .foot{flex-direction:column;align-items:flex-start}
}
@media(max-width:820px){
  .nav-links,.nav-btn{display:none}
  .burger{display:inline-flex}
  .prog-switch{order:5;flex:1 0 100%;margin-top:2px;display:grid;grid-template-columns:1fr 1fr;gap:3px;overflow:visible}
  .prog-btn{width:100%;min-width:0;padding:7px 10px;align-items:center;text-align:center}
  .prog-btn b{font-size:12px;white-space:normal}
  .prog-btn span{font-size:9.5px;line-height:1.2;white-space:normal;text-align:center}
  .nav-inner{flex-wrap:wrap}
}
@media(max-width:620px){
  .step{grid-template-columns:1fr;gap:14px}
  .step::before{left:35px}
  .step-card{padding:20px}
  .gen-card{padding:24px 20px}
  section.block{padding:70px 18px}
  #guide-qwdtt,#guide-tg{padding-top:40px}
  .hero{padding-top:170px}
  .tg-float{right:calc(14px + env(safe-area-inset-right));bottom:calc(14px + env(safe-area-inset-bottom));padding:12px 16px;font-size:13px}
}
@media (hover: hover) and (pointer: fine){
  .btn-primary:hover{transform:translateY(-2px) scale(1.02)}
  .nav-btn:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(0,119,255,.55)}
  .tg-float:hover{transform:translateY(-2px);box-shadow:0 16px 44px rgba(0,119,255,.65)}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .aurora{animation:none!important}
  #net{display:none!important}
}