:root{
  --bg:#0b0c0f;
  --panel:#11131a;
  --panel2:#0f1117;
  --text:#e9ecf1;
  --muted:#a9b0bd;
  --gold:#d6b25e;
  --gold2:#b08b3a;
  --line:rgba(214,178,94,.22);
  --shadow:0 10px 35px rgba(0,0,0,.45);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;
  background:radial-gradient(1200px 700px at 20% -10%, rgba(214,178,94,.12), transparent 60%),
             radial-gradient(900px 500px at 90% 0%, rgba(214,178,94,.08), transparent 55%),
             var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--gold)}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(10px);
  background:rgba(11,12,15,.72);
  border-bottom:1px solid rgba(214,178,94,.18);
}
.nav .row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.6px}
.brand .mark{
  width:34px;height:34px;border-radius:50%;
  background:radial-gradient(circle at 30% 25%, rgba(255,255,255,.18), transparent 38%),
             linear-gradient(180deg, rgba(214,178,94,.25), rgba(214,178,94,.05));
  border:1px solid rgba(214,178,94,.45);
  box-shadow: 0 6px 18px rgba(0,0,0,.35);
}
.brand .name{font-size:15px}
.brand .tag{font-size:12px;color:var(--muted)}
.menu{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.menu a{
  padding:8px 10px;border-radius:999px;
  border:1px solid rgba(214,178,94,.18);
  background:rgba(17,19,26,.6);
  font-size:13px;color:var(--text)
}
.menu a.active{border-color:rgba(214,178,94,.55); box-shadow: 0 0 0 1px rgba(214,178,94,.15) inset; color:var(--gold)}
.hero{
  padding:34px 0 10px;
}
.hero h1{margin:0 0 10px;font-size:34px;line-height:1.15}
.hero p{margin:0;color:var(--muted);max-width:850px}
.grid{display:grid;gap:14px}
.grid.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:18px 0 10px}
.card{
  background:linear-gradient(180deg, rgba(17,19,26,.92), rgba(15,17,23,.92));
  border:1px solid rgba(214,178,94,.18);
  border-radius:var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:14px}
.meta{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 10px;border-radius:999px;
  border:1px solid rgba(214,178,94,.28);
  color:var(--gold);
  background:rgba(214,178,94,.06);
  font-size:12px
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 12px;border-radius:12px;
  border:1px solid rgba(214,178,94,.35);
  background:linear-gradient(180deg, rgba(214,178,94,.22), rgba(214,178,94,.06));
  color:var(--text);
  font-weight:600;
}
.btn:hover{border-color:rgba(214,178,94,.65); color:var(--gold)}
.section{padding:18px 0}
.section h2{margin:0 0 10px;font-size:22px}
.section .lead{color:var(--muted);margin:0 0 12px;max-width:900px}
.kbd{
  border:1px solid rgba(214,178,94,.22);
  background:rgba(17,19,26,.7);
  padding:2px 8px;border-radius:8px;color:var(--gold);
  font-size:12px
}
.footer{
  margin-top:28px;
  border-top:1px solid rgba(214,178,94,.18);
  background:rgba(11,12,15,.72);
  padding:18px 0 26px;
}
.footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.small{font-size:12px;color:var(--muted)}
hr.sep{border:0;border-top:1px solid rgba(214,178,94,.15);margin:16px 0}
.notice{
  border-left:3px solid rgba(214,178,94,.65);
  padding:10px 12px;border-radius:12px;
  background:rgba(214,178,94,.06);
  border:1px solid rgba(214,178,94,.18);
  color:var(--muted);
  font-size:13px
}
.tagbar{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.tagbar a{cursor:pointer}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:10px;border-bottom:1px solid rgba(214,178,94,.14);text-align:left}
.table th{color:var(--gold);font-weight:700}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 8px;border-radius:10px;
  border:1px solid rgba(214,178,94,.22);
  background:rgba(214,178,94,.05);
  color:var(--muted);font-size:12px
}
/* ===== Navigation dropdown grid (About page) ===== */
.nav-section{margin-top:18px}
.nav-header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.nav-header h2{margin:0}
.nav-toggle{white-space:nowrap}
.nav-dropdown{margin-top:12px;display:none}
.nav-dropdown.open{display:block}
.nav-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.nav-card{display:block;padding:12px 14px;border:1px solid rgba(212,175,55,.35);border-radius:14px;background:rgba(255,255,255,.02);color:var(--gold,#d4af37);text-decoration:none;font-weight:600;line-height:1.2;text-align:center}
.nav-card:hover{border-color:rgba(212,175,55,.75);box-shadow:0 0 0 3px rgba(212,175,55,.10)}
.nav-card:active{transform:translateY(1px)}
@media (max-width:540px){.nav-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}


/* About page navigation dropdown */
.nav-dd{position:relative; margin-top:14px; display:none;}
.nav-dd.open{display:block;}
.nav-dd-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:10px; padding:14px; background:rgba(12,12,12,0.92); border:1px solid rgba(212,175,55,0.25); border-radius:16px; box-shadow:0 12px 30px rgba(0,0,0,0.35);}
.nav-dd-btn{display:flex; align-items:center; justify-content:center; text-align:center; padding:12px 14px; border-radius:14px; border:1px solid rgba(212,175,55,0.35); background:rgba(18,18,18,0.65); color:rgb(212,175,55); font-weight:600; letter-spacing:0.2px; text-decoration:none;}
.nav-dd-btn:hover{background:rgba(18,18,18,0.85); border-color:rgba(212,175,55,0.6);}
.nav-dd-btn.disabled{opacity:0.5; cursor:not-allowed;}
@media (max-width:640px){.nav-dd-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));}}