:root{
  --bg:#0b1020;
  --card:#101a33;
  --text:#eaf0ff;
  --muted:#b7c4ff;
  --accent:#6ea8ff;
  --accent2:#7cf2c4;
  --border:rgba(255,255,255,.10);
  --shadow: 0 12px 30px rgba(0,0,0,.35);
  --radius:16px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:var(--font);background:linear-gradient(180deg,#070b18, #0b1020 40%, #070b18); color:var(--text); line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

.container{max-width:var(--max);margin:0 auto;padding:24px}
.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(7,11,24,.78);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;gap:16px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:38px;height:38px;border-radius:12px;background:radial-gradient(circle at 30% 30%, var(--accent2), var(--accent)); box-shadow:0 6px 18px rgba(110,168,255,.35)}
.brand-name{font-weight:800;letter-spacing:.2px}
.brand-sub{display:block;font-size:12px;color:var(--muted);margin-top:-2px}
.nav-links{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.nav-links a{color:var(--text);opacity:.92;font-weight:600;font-size:14px}
.nav-links a:hover{opacity:1}

.hero{
  padding:34px 0 18px 0;
}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
@media (max-width: 900px){.hero-grid{grid-template-columns:1fr}}
.card{
  background: rgba(16,26,51,.86);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card.pad{padding:20px}
.kicker{color:var(--accent2);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:12px}
h1{font-size:38px;line-height:1.1;margin:10px 0 12px 0}
@media (max-width: 520px){h1{font-size:30px}}
h2{font-size:24px;margin:26px 0 10px}
h3{font-size:18px;margin:22px 0 10px}
p{margin:10px 0}
.small{font-size:13px;color:var(--muted)}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.badge{font-size:12px;border:1px solid var(--border);padding:6px 10px;border-radius:999px;color:var(--muted);background:rgba(255,255,255,.04)}

.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0 0}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:11px 14px;border-radius:14px;
  font-weight:800;border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color:var(--text);
}
.btn.primary{background:linear-gradient(135deg, rgba(110,168,255,.90), rgba(124,242,196,.72)); color:#051024; border:0}
.btn:hover{text-decoration:none;transform: translateY(-1px)}
.btn:active{transform: translateY(0px)}
.btn .meta{font-size:12px;font-weight:700;opacity:.9}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width: 900px){.grid-3{grid-template-columns:1fr}}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (max-width: 900px){.grid-2{grid-template-columns:1fr}}
.list{margin:0;padding-left:18px}
.hr{height:1px;background:var(--border);margin:18px 0}

.layout{display:grid;grid-template-columns:1fr 340px;gap:18px;align-items:start}
@media (max-width: 980px){.layout{grid-template-columns:1fr}}
.aside .card{position:sticky;top:92px}
.aside .ad{
  border:1px dashed rgba(255,255,255,.20);
  border-radius:14px;
  padding:14px;
  color:var(--muted);
  background:rgba(255,255,255,.03);
}
.ad .label{font-weight:800;color:var(--text);font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;opacity:.92}

.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border-radius: 14px;
  border:1px solid var(--border);
}
.table th, .table td{
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
.table th{
  background:rgba(255,255,255,.04);
  text-align:left;
}
.table tr:last-child td{border-bottom:0}
.code{
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:14px;
  padding:14px;
  overflow:auto;
}

.preview{
  background: #f7f9ff;
  color: #0c1222;
  border-radius: 14px;
  padding: 16px;
  border:1px solid rgba(0,0,0,.08);
}
.preview h4{margin:0 0 8px}
.preview .row{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.preview .muted{color:#506080;font-size:12px}
.preview table{width:100%;border-collapse:collapse;margin-top:10px}
.preview th,.preview td{border-bottom:1px solid rgba(0,0,0,.10);padding:8px;font-size:12px;text-align:left}
.preview th{background: rgba(0,0,0,.03)}
.preview .totals{display:flex;justify-content:flex-end;margin-top:10px}
.preview .totals div{min-width:220px}
.preview .totals .line{display:flex;justify-content:space-between;font-size:12px;margin:4px 0}

.footer{
  margin-top:34px;
  border-top:1px solid var(--border);
  background: rgba(7,11,24,.55);
}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
@media (max-width: 900px){.footer-grid{grid-template-columns:1fr}}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--text);text-decoration:underline}
.footer .fine{font-size:12px;color:var(--muted);opacity:.95}