:root{
  --bg:#0f172a;          
  --panel:#111827;      
  --glass:rgba(17,24,39,.55);
  --border:rgba(255,255,255,.08);
  --text:#e5e7eb;        
  --muted:#94a3b8;     
  --accent:#22d3ee;      
  --accent-2:#06b6d4;    
  --shadow:0 10px 30px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;
  background:radial-gradient(1200px 600px at 20% -10%, #1e293b 0%, transparent 60%),
             radial-gradient(900px 500px at 120% 10%, #0ea5e9 0%, transparent 35%),
             var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}

.site-header{
  position:sticky; top:0; z-index:10;
  backdrop-filter:blur(10px);
  background:var(--glass);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1200px; margin:0 auto;
  padding:14px 22px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{display:flex; align-items:center; gap:12px}
.brand img{height:42px; width:auto; display:block; filter:drop-shadow(0 2px 6px rgba(0,0,0,.35))}
.brand span{font-weight:700; letter-spacing:.2px}

.menu{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.menu a{
  background:linear-gradient(180deg, rgba(34,211,238,.15), rgba(6,182,212,.12));
  color:var(--text);
  padding:8px 14px; border-radius:999px; border:1px solid var(--border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .15s ease, background .15s ease, color .15s ease, border-color .15s;
}
.menu a:hover{
  background:linear-gradient(180deg, var(--accent), var(--accent-2));
  color:#001018;
  transform:translateY(-1px);
  border-color:transparent;
}

.container{max-width:1200px; margin:22px auto; padding:0 14px}

.header-bar,.footer-bar{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  color:var(--muted);
  text-transform:uppercase; letter-spacing:.12em; font-size:.78rem;
  padding:10px 14px;
  border:1px solid var(--border);
  border-radius:999px;
  margin-bottom:14px;
  text-align:center;
}

.two-col{
  display:grid; grid-template-columns:280px 1fr; gap:18px; margin-bottom:18px;
}
.sidebar{
  position:sticky; top:84px;
  background:linear-gradient(180deg, rgba(2,132,199,.18), rgba(2,132,199,.10));
  border:1px solid var(--border);
  color:var(--text);
  padding:16px; min-height:240px; border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.main{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--border);
  padding:18px; min-height:240px; border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.gallery{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  gap:20px; margin-top:14px;
}
.gallery .g-item{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.gallery .g-item:hover{
  transform:translateY(-4px);
  border-color:rgba(34,211,238,.35);
  box-shadow:0 18px 40px rgba(2,132,199,.25);
}
.gallery img{
  width:100%; aspect-ratio:16/9; object-fit:cover; display:block;
}
.g-caption{
  padding:10px 12px; font-size:.92rem; color:var(--muted);
}

.card{background:var(--panel); border:1px solid var(--border); border-radius:var(--radius)}
::selection{background:rgba(34,211,238,.3)}

@media (max-width:920px){
  .two-col{grid-template-columns:1fr}
  .sidebar{position:relative; top:auto; min-height:auto}
}
@media (max-width:560px){
  .brand img{height:34px}
  .menu a{padding:7px 12px}
}