:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel-strong: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --border: rgba(255,255,255,.14);
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 16px;
  --maxw: 980px;
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(900px 500px at 10% 0%, rgba(59,130,246,.35), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(14,165,233,.28), transparent 55%),
    radial-gradient(900px 700px at 60% 100%, rgba(99,102,241,.22), transparent 60%),
    var(--bg);
  line-height: 1.55;
}

a{ color: #cfe7ff; text-decoration: none; }
a:hover{ text-decoration: underline; }

.site-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,.18);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}

.logo{
  font-size: 26px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

.brand-text h1{
  font-size: 16px;
  margin: 0;
  letter-spacing: .2px;
}
.brand-subtitle{
  margin: 2px 0 0 0;
  font-size: 12px;
  color: var(--muted);
}

.site-nav{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.site-nav a{
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--muted);
}
.site-nav a:hover{
  border-color: var(--border);
  background: rgba(255,255,255,.05);
  color: var(--text);
  text-decoration: none;
}
.site-nav a.active{
  border-color: rgba(255,255,255,.24);
  background: rgba(255,255,255,.08);
  color: var(--text);
}

main{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 20px 42px;
  display: grid;
  gap: 18px;
}

.hero{
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.05));
  box-shadow: var(--shadow);
}

.hero h2{
  margin: 0 0 10px 0;
  font-size: 30px;
  letter-spacing: .2px;
}
.hero p{
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 72ch;
}

.hero-actions{
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge{
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.16);
  color: var(--muted);
  font-size: 12px;
}

.hero-badges{
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card{
  padding: 18px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}

.card h2{
  margin: 0 0 10px 0;
  font-size: 18px;
}

.feature-list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.feature-list strong{ color: var(--text); }

.steps{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.steps strong{ color: var(--text); }

.grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.mini-card{
  border: 1px solid var(--border);
  background: rgba(0,0,0,.14);
  padding: 14px;
  border-radius: 14px;
}
.mini-card h3{
  margin: 0 0 8px 0;
  font-size: 14px;
}
.mini-card p{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.catalog{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.catalog-item{
  border: 1px solid var(--border);
  background: rgba(0,0,0,.14);
  padding: 14px;
  border-radius: 14px;
}
.catalog-item h3{
  margin: 0 0 6px 0;
  font-size: 15px;
}
.catalog-item p{
  margin: 0;
  color: var(--muted);
}
.catalog-item p + p{ margin-top: 8px; }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.10);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover{
  background: rgba(255,255,255,.14);
  text-decoration: none;
}
.btn-ghost{
  background: rgba(0,0,0,.10);
  border-color: var(--border);
  color: var(--muted);
}
.btn-ghost:hover{
  color: var(--text);
  background: rgba(0,0,0,.16);
}

.contact-form{
  display: grid;
  gap: 12px;
  margin-top: 10px;
}
.contact-form label{
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}
input, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.20);
  color: var(--text);
  font-size: 14px;
}
input::placeholder, textarea::placeholder{ color: rgba(255,255,255,.45); }

.site-footer{
  border-top: 1px solid var(--border);
  padding: 22px 20px;
  color: var(--muted);
  background: rgba(0,0,0,.18);
}
.site-footer .fine{
  font-size: 12px;
  color: rgba(255,255,255,.62);
  max-width: var(--maxw);
}

.fine{
  font-size: 12px;
  color: rgba(255,255,255,.62);
}

@media (max-width: 820px){
  .site-header{
    flex-direction: column;
    align-items: flex-start;
  }
  .site-nav{
    width: 100%;
    justify-content: flex-start;
  }
  .grid{
    grid-template-columns: 1fr;
  }
}