:root{
  --bg:#020617;
  --panel:rgba(255,255,255,.05);
  --panel-strong:rgba(255,255,255,.08);
  --text:#f8fafc;
  --muted:#94a3b8;
  --line:rgba(255,255,255,.10);
  --accent:#22d3ee;
  --accent2:#8b5cf6;
  --ok:#34d399;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --radius:28px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(circle at top right, rgba(34,211,238,.12), transparent 24%),
    radial-gradient(circle at bottom left, rgba(139,92,246,.12), transparent 20%),
    var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 32px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:100;
  backdrop-filter: blur(14px);
  background:rgba(2,6,23,.78);
  border-bottom:1px solid var(--line);
}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:var(--shadow);
}
.brand small{display:block;color:var(--muted)}
.nav-links{display:flex;gap:10px;flex-wrap:wrap}
.nav-links a{
  padding:10px 14px;border-radius:16px;color:#cbd5e1;
}
.nav-links a.active,.nav-links a:hover{
  background:var(--panel);color:#fff
}
.mobile-toggle{
  display:none;border:1px solid var(--line);background:var(--panel);color:#fff;
  border-radius:14px;padding:10px 14px;font-weight:600
}
.mobile-nav{
  display:none;padding:0 0 16px 0
}
.mobile-nav a{
  display:block;padding:14px 16px;margin:8px 0;border:1px solid var(--line);border-radius:18px;background:var(--panel)
}
.hero{
  padding:80px 0 32px;
}
.badge{
  display:inline-flex;padding:8px 14px;border-radius:999px;
  border:1px solid rgba(34,211,238,.28);
  background:rgba(34,211,238,.1);color:#c8f9ff;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase
}
.hero-grid,.grid-2,.grid-3{display:grid;gap:24px}
.hero-grid{grid-template-columns:1.15fr .85fr;align-items:center}
h1,h2,h3{margin:0 0 12px 0;line-height:1.06;letter-spacing:-.03em}
h1{font-size:clamp(2.2rem,5vw,4.3rem)}
h2{font-size:clamp(1.8rem,4vw,3rem)}
h3{font-size:1.2rem}
.lead{font-size:1.08rem;line-height:1.75;color:#d7e0ea;max-width:780px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 20px;border-radius:18px;border:1px solid var(--line);
  background:var(--panel);color:#fff;font-weight:700;transition:.2s transform,.2s background
}
.btn:hover{transform:translateY(-1px);background:var(--panel-strong)}
.btn.primary{background:#fff;color:#0f172a}
.btn.primary:hover{background:#f1f5f9}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.stat,.card,.panel{
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.stat{padding:18px}
.stat strong{display:block;font-size:1.4rem}
.card{padding:22px}
.panel{padding:28px}
.mockup{padding:16px;background:rgba(255,255,255,.04)}
.mockup-inner{
  border:1px solid var(--line);border-radius:24px;padding:16px;background:linear-gradient(180deg,rgba(15,23,42,.95),rgba(15,23,42,.7))
}
.mock-items{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.product-tile,.download-item,.cart-item{
  border:1px solid var(--line);border-radius:22px;padding:16px;background:rgba(2,6,23,.55)
}
.placeholder{
  height:180px;border-radius:22px;background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(139,92,246,.16));
  border:1px dashed var(--line)
}
.section{padding:32px 0}
.section-head{margin-bottom:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.list-clean{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.list-clean li{
  padding:14px 16px;border-radius:18px;background:rgba(2,6,23,.4);border:1px solid var(--line);color:#dbe7f3
}
.price{
  display:inline-flex;padding:12px 16px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.06);font-size:1.8rem;font-weight:800
}
.pill{
  display:inline-flex;padding:11px 14px;border-radius:18px;border:1px solid rgba(52,211,153,.25);background:rgba(52,211,153,.1);color:#86efac;font-weight:700
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.input,.textarea{
  width:100%;padding:16px 18px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff
}
.textarea{min-height:140px;resize:vertical}
.checkout-summary{display:grid;gap:12px}
.meta{color:var(--muted);line-height:1.7}
.footer{
  margin-top:48px;border-top:1px solid var(--line);padding:32px 0 56px;background:rgba(2,6,23,.45)
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:22px}
.small{font-size:.95rem;color:var(--muted)}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.kpi{padding:18px;border-radius:22px;border:1px solid var(--line);background:rgba(2,6,23,.45)}
.kpi strong{display:block;font-size:1.5rem}
.legal p{margin:0 0 14px;line-height:1.85;color:#dbe7f3}
.center{display:flex;align-items:center;justify-content:center}
.loadscreen{
  position:fixed;inset:0;z-index:9999;
  background:
    radial-gradient(circle at top, rgba(34,211,238,.16), transparent 30%),
    radial-gradient(circle at bottom right, rgba(139,92,246,.18), transparent 25%),
    var(--bg);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .5s ease, visibility .5s ease;
}
.loadscreen.hidden{opacity:0;visibility:hidden}
.loader-box{width:min(92vw,420px);text-align:center;padding:24px}
.loader-mark{
  width:82px;height:82px;margin:0 auto 18px;border-radius:28px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:var(--shadow)
}
.progress{
  height:10px;background:rgba(255,255,255,.1);border-radius:999px;overflow:hidden;margin-top:24px
}
.progress > span{
  display:block;height:100%;width:72%;
  background:linear-gradient(90deg,var(--accent),#38bdf8,var(--accent2));
  animation:pulse 1.2s ease-in-out infinite alternate;border-radius:999px
}
@keyframes pulse{from{transform:scaleX(.84);transform-origin:left}to{transform:scaleX(1)}}
.page-hero{
  padding:44px 0 10px
}
.breadcrumbs{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.page-wrap{padding:18px 0 28px}
.notice{padding:16px 18px;border-radius:20px;border:1px dashed var(--line);color:#cbd5e1;background:rgba(255,255,255,.03)}
@media (max-width: 980px){
  .hero-grid,.grid-2,.grid-3,.footer-grid{grid-template-columns:1fr}
  .mock-items{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .nav-links{display:none}
  .mobile-toggle{display:inline-flex}
  .mobile-nav.show{display:block}
  .stats,.form-grid,.kpis{grid-template-columns:1fr}
  .hero{padding-top:56px}
}


.notice{padding:14px 16px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.04);margin-top:14px}
.notice.success{background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.24);color:#a7f3d0}
.notice.error{background:rgba(248,113,113,.12);border-color:rgba(248,113,113,.24);color:#fecaca}
.auth-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width: 900px){.auth-grid{grid-template-columns:1fr}}