:root{
  --bg:#0f1220; --bg2:#171a2e; --panel:#1d2138; --line:#2a2f4a;
  --txt:#e8eaf5; --muted:#9aa0c0; --accent:#5b6cff; --accent2:#7b8bff;
  --ok:#34d399; --err:#f87171; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:linear-gradient(160deg,var(--bg),var(--bg2));color:var(--txt);min-height:100vh;
  display:flex;flex-direction:column;line-height:1.55}
a{color:var(--accent2);text-decoration:none}
.container{width:100%;max-width:960px;margin:0 auto;padding:24px 20px;flex:1}
.muted{color:var(--muted)}
.ok-text{color:var(--ok)}.err-text{color:var(--err)}

.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:16px 20px;max-width:960px;margin:0 auto;width:100%}
.logo{font-weight:700;font-size:1.2rem;color:var(--txt)}
.topbar nav a{margin-left:18px}

.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 22px;
  border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;
  transition:.15s;text-align:center}
.btn:hover{background:var(--accent2);transform:translateY(-1px)}
.btn-lg{padding:15px 30px;font-size:1.08rem;width:100%}
.btn-sm{padding:8px 16px;font-size:.9rem}
.btn-outline{background:transparent;border:1px solid var(--accent);color:var(--accent2)}
.btn-instruction{background:#fbbf24;color:#17120a;box-shadow:0 10px 30px rgba(251,191,36,.18)}
.btn-instruction:hover{background:#facc15;color:#17120a}
.link-btn{background:none;border:none;color:var(--accent2);cursor:pointer;font-size:.95rem;text-decoration:underline}
.hidden{display:none!important}

.hero{text-align:center;padding:50px 0 30px}
.hero h1{font-size:2.6rem;line-height:1.15;margin-bottom:18px}
.lead{font-size:1.15rem;color:var(--muted);max-width:600px;margin:0 auto 26px}
.hero-actions{max-width:320px;margin:0 auto}
.hero-actions-wide{display:flex;gap:22px;max-width:600px;flex-wrap:wrap;justify-content:center}
.hero-actions-wide .btn{flex:1;min-width:220px}
.hero-actions-wide .btn-lg{width:auto}
.hero-status{display:flex;align-items:center;justify-content:center;gap:16px;margin:0 auto 26px;flex-wrap:wrap}
.clock-card{display:flex;align-items:baseline;gap:10px;background:rgba(29,33,56,.78);
  border:1px solid var(--line);border-radius:var(--radius);padding:10px 16px;box-shadow:0 12px 34px rgba(0,0,0,.18)}
.clock-label{color:var(--muted);font-size:.84rem;text-transform:uppercase;letter-spacing:.08em}
.clock-time{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:1.45rem;font-weight:800;color:#fff}
.wait-animation{display:flex;align-items:center;gap:8px;min-height:48px}
.hourglass{display:inline-block;font-size:2rem;animation:hourglassFlip 2.4s ease-in-out infinite}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:#fbbf24;animation:pulseDot 1.2s ease-in-out infinite}
.pulse-dot:nth-child(3){animation-delay:.18s}.pulse-dot:nth-child(4){animation-delay:.36s}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:40px 0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card-icon{font-size:2rem;margin-bottom:10px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:.96rem}

.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:40px 0}
.pricing-single{grid-template-columns:minmax(240px,420px);justify-content:center}
.price-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;text-align:center}
.price-box.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.price-tag{color:var(--muted);text-transform:uppercase;font-size:.8rem;letter-spacing:.08em}
.price-big{font-size:2.2rem;font-weight:700;margin:8px 0 4px}
.price-box .btn{margin-top:16px}

.how{margin:50px 0}
.how h2{text-align:center;margin-bottom:24px}
.steps{max-width:560px;margin:0 auto;padding-left:22px}
.steps li{margin-bottom:12px;color:var(--muted)}
.steps li b{color:var(--txt)}

.notice{background:rgba(91,108,255,.1);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin:34px 0}
.notice h2{font-size:1.2rem;margin-bottom:8px}
.notice.warning{border-color:#fbbf24;background:rgba(251,191,36,.12)}
.notice.warning h2{color:#fbbf24}
.instruction-callout{display:flex;align-items:center;justify-content:space-between;gap:18px;
  border:1px solid #fbbf24;border-radius:var(--radius);background:linear-gradient(135deg,rgba(251,191,36,.18),rgba(91,108,255,.12));
  padding:24px;margin:34px 0}
.instruction-callout h2{margin-bottom:4px}
.instruction-callout .btn{min-width:220px}

.section-head{text-align:center;margin-bottom:18px}
.section-head h2{margin-bottom:8px}
.install-guides{margin:54px 0}.guide-hero{padding-bottom:10px}
.guide-tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:18px}
.guide-tab{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  color:var(--txt);cursor:pointer;font-weight:700;min-height:44px;padding:10px 14px}
.guide-tab.is-active{border-color:var(--accent);background:rgba(91,108,255,.18);color:#fff}
.guide-panel{display:none;grid-template-columns:220px 1fr;gap:24px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.guide-panel.is-active{display:grid}
.guide-copy h3{font-size:1.35rem;margin-bottom:10px}
.guide-steps{padding-left:20px;margin-bottom:18px}
.guide-steps li{color:var(--muted);margin-bottom:9px}
.guide-actions{display:flex;gap:10px;flex-wrap:wrap}
.mock-phone{width:190px;height:340px;border:10px solid #0a0d18;border-radius:30px;background:#0a0d18;
  box-shadow:0 20px 50px rgba(0,0,0,.28);padding:12px;margin:0 auto}
.mock-top{width:58px;height:6px;border-radius:999px;background:#252a42;margin:0 auto 12px}
.mock-screen{height:282px;border-radius:20px;background:linear-gradient(180deg,#eef2ff,#cfd7ff);
  color:#141827;padding:16px;display:flex;flex-direction:column;gap:12px}
.mock-screen.android{background:linear-gradient(180deg,#e8fff5,#bdf2d8)}
.mock-screen.tunnel{background:linear-gradient(180deg,#f7f3ff,#d9cdfd)}
.mock-app-title{font-weight:800;font-size:1.05rem}
.mock-row{background:rgba(255,255,255,.72);border-radius:10px;padding:10px;font-weight:700;font-size:.85rem}
.mock-row.active{outline:2px solid rgba(91,108,255,.45)}
.mock-toggle{width:62px;height:34px;border-radius:999px;background:#aeb6d6;margin-top:auto;position:relative}
.mock-toggle:after{content:"";position:absolute;top:4px;left:4px;width:26px;height:26px;border-radius:50%;background:#fff}
.mock-toggle.on{background:#34d399}
.mock-toggle.on:after{left:32px}
.mock-chips{display:flex;flex-wrap:wrap;gap:6px}
.mock-chips span{background:rgba(255,255,255,.76);border-radius:999px;padding:6px 8px;font-size:.72rem;font-weight:800}

.auth{max-width:420px;margin:40px auto}
.auth h1{margin-bottom:8px}
.form{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.form label{font-size:.9rem;color:var(--muted)}
.form input,.form select{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;color:var(--txt);font-size:1.05rem;width:100%}
.form select{appearance:auto}
.form input:focus,.form select:focus{outline:none;border-color:var(--accent)}
.code-input{letter-spacing:.5em;text-align:center;font-size:1.5rem}
.resend{margin-top:16px;text-align:center}
.fineprint{font-size:.82rem;margin-top:16px;text-align:center}
.auth-links{margin-top:18px;text-align:center;font-size:.95rem}

.alert{padding:12px 16px;border-radius:var(--radius);margin:16px 0;font-size:.95rem}
.alert.ok{background:rgba(52,211,153,.12);border:1px solid var(--ok);color:var(--ok)}
.alert.err{background:rgba(248,113,113,.12);border:1px solid var(--err);color:var(--err)}

.cabinet{max-width:620px;margin:20px auto}
.cabinet h1{margin-bottom:18px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin-bottom:18px}
.panel.highlight{border-color:var(--accent)}
.panel.compact-panel{padding:14px;margin-bottom:4px}
.support-panel{border-color:rgba(91,108,255,.65)}
.panel h3{margin-bottom:12px}
.panel-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line)}
.panel-row:last-child{border-bottom:none}
.config-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.config-actions .btn{flex:1;min-width:160px}

.pay-box{text-align:center}
.pay-amount{font-size:2.4rem;font-weight:700;color:var(--accent2);margin:10px 0}
.card-number{background:var(--bg2);border:1px dashed var(--line);border-radius:var(--radius);
  padding:14px;margin:16px 0;display:flex;flex-direction:column;gap:4px}
.card-number b{font-size:1.3rem;letter-spacing:.06em;font-family:monospace}
.status-live{margin-top:14px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(91,108,255,.08);font-size:.92rem}
.secret-box{margin-top:16px;background:var(--bg2);border:1px dashed var(--accent);
  border-radius:var(--radius);padding:16px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:1.1rem;font-weight:700;text-align:center;overflow-wrap:anywhere}
.copy-key{width:100%;margin-top:12px}
.recover-check{margin-top:12px}

.footer{display:flex;justify-content:space-between;max-width:960px;margin:0 auto;width:100%;
  padding:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}

@media(max-width:720px){
  .guide-panel{grid-template-columns:1fr}
  .mock-phone{width:170px;height:304px}
  .mock-screen{height:248px}
}
@media(max-width:560px){
  .hero h1{font-size:2rem}
  .hero-actions-wide .btn{min-width:100%}
  .instruction-callout{align-items:stretch;flex-direction:column}
  .instruction-callout .btn{width:100%;min-width:0}
  .guide-tabs{display:grid;grid-template-columns:1fr}
  .guide-panel{padding:18px}
  .footer{flex-direction:column;gap:6px;text-align:center}
}
@keyframes hourglassFlip{0%,35%{transform:rotate(0deg)}55%,100%{transform:rotate(180deg)}}
@keyframes pulseDot{0%,100%{opacity:.35;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}
@media(prefers-reduced-motion:reduce){.hourglass,.pulse-dot{animation:none}.btn{transition:none}}