:root{
  --bg:#0b1220;
  --bg2:#0e1730;
  --card:#111b33;
  --text:#e7eefc;
  --muted:#a8b3cc;
  --line:rgba(255,255,255,.10);
  --brand:#6ee7ff;
  --brand2:#8b5cf6;
  --ok:#22c55e;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 14px;
  --container: 1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 700px at 15% 0%, rgba(110,231,255,.16), transparent 55%),
              radial-gradient(900px 600px at 85% 10%, rgba(139,92,246,.18), transparent 60%),
              linear-gradient(180deg, var(--bg) 0%, #070b14 100%);
  line-height:1.55;
}

a{color:inherit; text-decoration:none}
img{max-width:100%; height:auto}

.container{
  width: min(100%, calc(var(--container) + 48px));
  padding: 0 24px;
  margin: 0 auto;
}

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:12px;
  background:#fff;
  color:#111;
  padding:10px 12px;
  border-radius:10px;
  z-index:1000;
}
.skip-link:focus{left:12px}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background: rgba(11,18,32,.72);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:.2px;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:12px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
  box-shadow: 0 10px 26px rgba(110,231,255,.22);
}
.brand-text{font-size:16px}

.nav{display:flex; align-items:center}
.nav-menu{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav-menu a{
  color:var(--muted);
  font-weight:500;
}
.nav-menu a:hover{color:var(--text)}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
}
.nav-toggle-bars{
  display:block;
  width:18px;
  height:2px;
  margin:0 auto;
  background: currentColor;
  position:relative;
  border-radius:2px;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background: currentColor;
  border-radius:2px;
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:14px;
  font-weight:600;
  border:1px solid var(--line);
  background: rgba(255,255,255,.05);
  color:var(--text);
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
  user-select:none;
}
.btn:hover{background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16)}
.btn:active{transform: translateY(1px)}
.btn-primary{
  border-color: rgba(110,231,255,.25);
  background: linear-gradient(135deg, rgba(110,231,255,.24), rgba(139,92,246,.22));
  box-shadow: 0 16px 40px rgba(110,231,255,.12);
}
.btn-primary:hover{border-color: rgba(110,231,255,.42)}
.btn-ghost{background: transparent}
.btn-sm{padding:10px 12px; border-radius:12px}

.main{min-height:60vh}

.hero{
  padding: 54px 0 18px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  align-items:stretch;
}

.badge{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--muted);
  background: rgba(255,255,255,.04);
  font-weight:600;
  margin:0 0 14px;
}

h1{
  font-size: clamp(34px, 4vw, 54px);
  line-height:1.06;
  margin: 0 0 14px;
  letter-spacing:-.6px;
}
.lead{
  font-size: 16.5px;
  color: var(--muted);
  margin: 0 0 22px;
  max-width: 62ch;
}
.hero-cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom: 18px;
}
.hero-metrics{
  list-style:none;
  padding:0;
  margin: 0;
  display:flex;
  gap: 18px;
  flex-wrap: wrap;
}
.hero-metrics li{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding: 10px 12px;
  min-width: 132px;
}
.hero-metrics strong{display:block; font-size:18px}
.hero-metrics span{display:block; color: var(--muted); font-weight:500}

.hero-card .card{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17,27,51,.82), rgba(17,27,51,.55));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-top{
  display:flex;
  align-items:center;
  gap:8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}
.card-dot{
  width:10px;
  height:10px;
  border-radius:999px;
}
.dot-red{background:#ff5c7a}
.dot-yellow{background:#ffcf5c}
.dot-green{background:#3ee08f}
.card-title{
  margin-left: 6px;
  color: var(--muted);
  font-weight:600;
  font-size: 13px;
}
.card-body{padding:16px}
.mini-kpi{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding: 12px 12px;
  border:1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(255,255,255,.03);
}
.mini-kpi-label{color:var(--muted); font-weight:600}
.mini-kpi-value{font-weight:700}
.mini-list{margin-top: 12px; display:grid; gap:10px}
.mini-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 10px 12px;
  border:1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(255,255,255,.02);
}
.mini-tag{
  font-size: 12px;
  color: var(--text);
  font-weight:700;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.05);
  white-space:nowrap;
}
.note{
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  border-left: 2px solid rgba(110,231,255,.45);
  padding-left: 10px;
}

.section{padding: 54px 0}
.section.alt{
  background: radial-gradient(800px 400px at 15% 0%, rgba(110,231,255,.10), transparent 60%),
              radial-gradient(800px 400px at 85% 0%, rgba(139,92,246,.10), transparent 60%),
              rgba(255,255,255,.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom: 18px;
}
.section-head h2{
  margin:0;
  font-size: clamp(22px, 2.4vw, 34px);
  letter-spacing:-.3px;
}
.section-head p{
  margin:0;
  color: var(--muted);
  max-width: 64ch;
}

.grid{display:grid; gap:14px}
.grid-3{grid-template-columns: repeat(3, 1fr)}

.product-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.product-card{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding: 18px;
  display:flex;
  flex-direction:column;
  align-items:stretch;
  gap: 12px;
  transition: border-color .2s ease, background .2s ease;
}
.product-card:hover{
  border-color: rgba(110,231,255,.22);
  background: rgba(255,255,255,.06);
}
.product-name{
  margin:0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .02em;
}
.product-desc{
  margin:0;
  flex:1;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.product-content{
  flex:1;
  display:flex;
  flex-direction:column;
}
.product-usp{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.product-usp li{
  border:none;
  background: transparent;
  padding:0;
  display:block;
}
.product-usp strong{
  display:block;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 2px;
}
.product-usp span{
  color: var(--muted);
  font-weight: 600;
  line-height: 1.55;
}
.product-note{
  margin:0;
  color: var(--muted);
  font-size: 13px;
}
.btn-block{width:100%}
.process-step{
  font-size: 18px !important;
  font-weight: 700 !important;
  color: var(--brand) !important;
  margin: 6px 0 10px !important;
}
@media (max-width: 1100px){
  .product-grid{ grid-template-columns: repeat(2, 1fr); }
}

.feature, .case, .price-card{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding: 18px;
}
.feature h3, .case h3, .price-card h3{margin:0 0 8px}
.feature p, .case p{margin:0; color: var(--muted)}

.trust{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.trust-item{
  display:flex;
  gap:12px;
  align-items:center;
  padding: 12px 14px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.02);
}
.trust-item strong{min-width: 58px}
.trust-item span{color: var(--muted)}

.case-badge{
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.05);
  color: var(--muted);
  font-weight:700;
  font-size:12px;
  margin-bottom: 10px;
}
.case-points{
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.case-points li{margin: 6px 0}

.pricing .price-card{position:relative}
.price{
  margin: 8px 0 10px;
  font-size: 34px;
  font-weight:800;
  letter-spacing:-.4px;
}
.price span{font-size: 16px; color: var(--muted); margin-right: 4px}
.price-card ul{
  margin: 0 0 14px;
  padding-left: 18px;
  color: var(--muted);
}
.price-card li{margin: 8px 0}
.price-card.highlight{
  background: linear-gradient(180deg, rgba(110,231,255,.10), rgba(139,92,246,.09));
  border-color: rgba(110,231,255,.25);
  box-shadow: 0 18px 48px rgba(110,231,255,.10);
}
.pill{
  position:absolute;
  right: 14px;
  top: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight:800;
  border: 1px solid rgba(110,231,255,.35);
  background: rgba(110,231,255,.10);
}
.fineprint{margin: 12px 0 0; color: var(--muted); font-size: 13px}

.faq details{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding: 14px 16px;
}
.faq{display:grid; gap: 12px}
.faq summary{
  cursor:pointer;
  font-weight:700;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq-body{margin-top: 10px; color: var(--muted)}

.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items:start;
}
.contact-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top: 12px}
.form{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding: 16px;
}
.form label{display:block; margin-bottom: 12px}
.form span{display:block; font-weight:700; margin-bottom: 6px}
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(7,11,20,.55);
  color: var(--text);
  outline:none;
}
input:focus, textarea:focus{border-color: rgba(110,231,255,.45); box-shadow: 0 0 0 4px rgba(110,231,255,.10)}
.form-hint{margin:10px 0 0; color: var(--muted); font-size: 13px}

.site-footer{
  border-top:1px solid var(--line);
  background: rgba(255,255,255,.02);
  padding: 22px 0;
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.brand-footer .brand-mark{width:28px; height:28px; border-radius: 11px}
.muted{color: var(--muted); margin: 8px 0 0}

.footer-brand{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.footer-site-logo{
  width:54px;
  height:54px;
  flex:0 0 auto;
}
.footer-contacts{
  margin-top: 12px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.footer-contact-item{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 10px 12px;
  display:flex;
  gap:10px;
  align-items:baseline;
}
.footer-contact-label{
  font-weight:800;
  color: var(--text);
}
.footer-contact-value{
  color: var(--muted);
  font-weight:600;
  white-space:nowrap;
}
.footer-right{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.footer-right a{color: var(--muted)}
.footer-right a:hover{color: var(--text)}

@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr}
  .contact{grid-template-columns: 1fr}
  .grid-3{grid-template-columns: 1fr}
  .product-grid{ grid-template-columns: 1fr; }
  .trust{grid-template-columns: 1fr}
  .section-head{flex-direction:column; align-items:flex-start}

  .nav-toggle{display:inline-flex; align-items:center; justify-content:center}
  .nav-menu{
    position:absolute;
    right: 24px;
    top: 64px;
    width: min(92vw, 360px);
    flex-direction:column;
    align-items:stretch;
    gap: 8px;
    padding: 12px;
    border-radius: 18px;
    border:1px solid var(--line);
    background: rgba(11,18,32,.92);
    box-shadow: var(--shadow);
    transform-origin: top right;
    transform: scale(.98);
    opacity:0;
    pointer-events:none;
    transition: opacity .16s ease, transform .16s ease;
  }
  .nav-menu a{padding: 10px 10px; border-radius: 12px}
  .nav-menu a:hover{background: rgba(255,255,255,.05)}
  .nav-menu.is-open{
    opacity:1;
    transform: scale(1);
    pointer-events:auto;
  }
}