:root{
  --navy-900:#0a1026; --navy-800:#0e1733; --navy-700:#141f45; --navy-600:#1b2a5e;
  --violet:#7c5cff; --violet-600:#6b4ae0; --cyan:#33e1ed; --cyan-600:#1fb9c7;
  --text:#eaf0ff; --muted:#9fb0d8; --line:rgba(140,160,220,.18);
  --ok:#35d08a; --warn:#ffcf5c; --bad:#ff6b7a;
  --card:rgba(255,255,255,.04); --card-hover:rgba(255,255,255,.07);
  --radius:16px; --maxw:1120px; --grad:linear-gradient(120deg,var(--violet),var(--cyan));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:radial-gradient(1200px 600px at 80% -10%,rgba(124,92,255,.18),transparent 60%),
    radial-gradient(900px 500px at -10% 10%,rgba(51,225,237,.12),transparent 55%),var(--navy-900);
  color:var(--text);font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.center{text-align:center}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--navy-700);padding:10px 14px;z-index:100}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(10,16,38,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--text)}
.brand:hover{text-decoration:none}
.brand .logo{width:30px;height:30px;border-radius:9px;background:var(--grad);display:inline-block;
  box-shadow:0 6px 18px rgba(124,92,255,.5)}
.brand .logo-img{height:32px;max-width:160px;object-fit:contain;display:inline-block;border-radius:8px}
.nav .links{display:flex;gap:18px;margin-left:12px}
.nav .links a{color:var(--muted);font-weight:500}
.nav .links a:hover{color:var(--text);text-decoration:none}
.nav .spacer{flex:1}
.nav .auth{display:flex;gap:10px;align-items:center}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:10px;
  width:42px;height:42px;font-size:1.3rem;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  font-weight:700;padding:11px 18px;border-radius:12px;color:#07122a;background:var(--grad);
  box-shadow:0 8px 22px rgba(124,92,255,.35);transition:transform .12s,box-shadow .12s;font-size:.98rem}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(124,92,255,.5);text-decoration:none}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{background:var(--card-hover)}
.btn.sm{padding:7px 12px;font-size:.88rem;border-radius:10px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* Hero */
.hero{padding:72px 0 48px}
.hero .tag{display:inline-block;padding:6px 14px;border:1px solid var(--line);border-radius:999px;
  color:var(--cyan);font-weight:600;font-size:.85rem;margin-bottom:18px}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:640px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Sections */
section{padding:46px 0}
.section-head{max-width:680px;margin-bottom:28px}
.grid{display:grid;gap:20px}
.benefits{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  transition:background .15s,transform .15s,border-color .15s}
.card:hover{background:var(--card-hover);transform:translateY(-2px);border-color:rgba(124,92,255,.4)}
.card .ico{width:42px;height:42px;border-radius:11px;background:rgba(124,92,255,.16);display:flex;
  align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:12px}
.card h3{margin-bottom:6px}

/* Pricing */
.plans{grid-template-columns:repeat(3,1fr)}
.plan{display:flex;flex-direction:column;position:relative;overflow:hidden}
.plan.featured{border-color:rgba(51,225,237,.55);box-shadow:0 0 0 1px rgba(51,225,237,.25),0 20px 50px rgba(0,0,0,.3)}
.plan .badge{position:absolute;top:14px;right:-34px;transform:rotate(45deg);background:var(--grad);
  color:#07122a;font-weight:800;font-size:.72rem;padding:5px 42px}
.plan .price{font-size:2.3rem;font-weight:800;margin:8px 0}
.plan .price small{font-size:.95rem;color:var(--muted);font-weight:500}
.plan ul{list-style:none;padding:0;margin:14px 0 20px;display:flex;flex-direction:column;gap:9px}
.plan li{display:flex;gap:9px;align-items:flex-start;color:var(--muted)}
.plan li::before{content:"✓";color:var(--cyan);font-weight:800}
.plan .btn{margin-top:auto;width:100%}
.plan .soldout{color:var(--warn);font-weight:700;text-align:center;margin-top:auto}

/* Steps */
.steps{grid-template-columns:repeat(3,1fr);counter-reset:s}
.step{position:relative;padding-left:16px}
.step .n{width:40px;height:40px;border-radius:12px;background:var(--grad);color:#07122a;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin-bottom:10px}

/* Forms */
.formbox{max-width:460px;margin:40px auto}
.auth-wide{max-width:560px}
label{display:block;font-weight:600;margin:14px 0 6px;font-size:.92rem}
input,select,textarea{width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text);font-size:1rem;font-family:inherit}
input:focus,select,textarea:focus{border-color:var(--violet)}
select option{background:var(--navy-700);color:var(--text)}
.check{display:flex;gap:10px;align-items:flex-start;margin-top:14px;color:var(--muted);font-size:.9rem}
.check input{width:auto;margin-top:4px}
.msg{padding:12px 14px;border-radius:11px;margin:14px 0;display:none}
.msg.show{display:block}
.msg.err{background:rgba(255,107,122,.12);border:1px solid var(--bad);color:#ffd9de}
.msg.ok{background:rgba(53,208,138,.12);border:1px solid var(--ok);color:#c9f6e2}

/* Tables / lists */
table{width:100%;border-collapse:collapse;font-size:.93rem}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:700}
.pill.ok{background:rgba(53,208,138,.16);color:#8ef0c3}
.pill.warn{background:rgba(255,207,92,.16);color:#ffe4a3}
.pill.bad{background:rgba(255,107,122,.16);color:#ffc0c8}
.pill.info{background:rgba(51,225,237,.14);color:#aef3f8}

/* FAQ */
details{border:1px solid var(--line);border-radius:12px;padding:0 16px;margin-bottom:12px;background:var(--card)}
details summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none}
details summary::-webkit-details-marker{display:none}
details[open] summary{border-bottom:1px solid var(--line)}
details p{color:var(--muted)}

/* QR */
.qr{display:flex;gap:18px;flex-wrap:wrap}
.qr .method{flex:1;min-width:220px}
.qrbox{aspect-ratio:1;max-width:220px;margin:12px auto;border-radius:14px;background:#fff;display:flex;
  align-items:center;justify-content:center;color:#07122a;text-align:center;padding:12px;font-weight:600}

/* Admin tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0;border-bottom:1px solid var(--line);padding-bottom:10px}
.tabs button{background:none;border:1px solid var(--line);color:var(--muted);border-radius:10px;
  padding:8px 14px;cursor:pointer;font-weight:600}
.tabs button.active{background:var(--grad);color:#07122a;border-color:transparent}
.kpi{grid-template-columns:repeat(4,1fr)}
.kpi .card{padding:18px}
.kpi .big{font-size:1.9rem;font-weight:800}

/* Footer */
footer.site{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);margin-top:40px}
footer .cols{display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}
.hidden{display:none!important}

@media(max-width:860px){
  .benefits,.plans,.steps,.kpi{grid-template-columns:1fr}
  .nav .links{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;
    background:var(--navy-800);padding:16px 20px;border-bottom:1px solid var(--line)}
  .nav .links.open{display:flex}
  .menu-btn{display:block}
}