:root{
  --bg:#07101d;
  --bg2:#0b1526;
  --panel:#111a30;
  --panel2:#15213b;
  --line:#22344d;
  --text:#eaf0fb;
  --muted:#9fb0c9;
  --blue:#1E90FF;
  --amber:#FFC043;
  --steel:#2D2F33;
  --green:#21C55D;
  --red:#E63946;
  --max:1340px;
}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{
  font-family:Inter,Arial,Helvetica,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(30,144,255,.17), transparent 30%),
    radial-gradient(circle at 100% 0%, rgba(255,192,67,.08), transparent 25%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(180deg,#040915,var(--bg));
  background-size:auto,auto,46px 46px,46px 46px,auto;
}
a{text-decoration:none;color:inherit}
header{position:sticky;top:0;z-index:30;background:rgba(6,16,29,.93);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.wrap,.container{max-width:var(--max);margin:auto;padding:20px 24px}
.nav-top{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}
.brand{font-weight:800;letter-spacing:.06em}
.brand small{display:block;color:var(--muted);font-size:12px;margin-top:4px;font-weight:500}
nav a,.btn,button{display:inline-block;background:rgba(255,255,255,.03);border:1px solid var(--line);color:#fff;padding:10px 14px;border-radius:12px;margin:4px 8px 4px 0;cursor:pointer}
nav a:hover,.btn:hover,button:hover{background:rgba(255,255,255,.08)}
.btn.primary,button.primary{background:rgba(30,144,255,.18);border-color:rgba(30,144,255,.45)}
.btn.alt{background:rgba(255,192,67,.14);border-color:rgba(255,192,67,.35)}
.hero{padding:90px 0 46px}
.hero h1{font-size:62px;line-height:1.02;margin:0 0 16px;max-width:900px}
.kicker{display:inline-block;padding:7px 12px;border-radius:999px;border:1px solid var(--line);font-size:12px;color:var(--muted);margin-bottom:14px}
.section-sub,.muted,p{color:var(--muted);line-height:1.74}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.card h2,.card h3{margin-top:0;color:#fff}
.stat{font-size:30px;font-weight:800;color:#fff}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);font-size:12px}
.callout{border-left:4px solid var(--blue);padding:14px 16px;background:rgba(30,144,255,.08);border-radius:0 12px 12px 0;color:var(--muted)}
input,select,textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--bg2);color:#fff}
textarea{min-height:130px}
.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.portal-shell{display:grid;grid-template-columns:280px 1fr;min-height:calc(100vh - 90px)}
.sidebar{padding:20px;border-right:1px solid var(--line);background:rgba(8,14,26,.92)}
#portalMenu a{display:block;color:var(--muted);padding:10px 12px;border-radius:12px;margin-bottom:8px}#portalMenu a.active,#portalMenu a:hover{background:rgba(30,144,255,.14);color:#fff}
footer{border-top:1px solid var(--line);margin-top:40px}
ul.tight li{margin-bottom:8px}
hr{border:none;border-top:1px solid var(--line);margin:28px 0}
.code{font-family:Consolas,monospace;white-space:pre-wrap;font-size:12px}
.diagram{padding:10px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.02)}
@media(max-width:980px){.g2,.g3,.g4,.portal-shell{grid-template-columns:1fr}.hero h1{font-size:40px}}