/* Aether Exchange – Futuristic UI */
:root{
  --bg:#07070b;
  --panel:#0f1018;
  --glow:rgba(120,200,255,.35);
  --gold:#f5d06f;
  --aurora1:#6ee7ff;
  --aurora2:#b48cff;
  --aurora3:#6bffb3;
  --text:#e8f0ff;
  --muted:#9aa6c3;
  --accent:#7de3ff;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(109,40,217,.12), transparent 60%),
              radial-gradient(1200px 800px at 80% 110%, rgba(34,197,94,.1), transparent 60%),
              var(--bg);
  color:var(--text);
  overflow-x:hidden;
}

a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}

.header{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 28px; position:sticky; top:0; z-index:10;
  background: linear-gradient(180deg, rgba(7,7,11,.85), rgba(7,7,11,.35), transparent);
  backdrop-filter: blur(8px);
  border-bottom:1px solid rgba(125,227,255,.08);
}
.brand{display:flex; gap:12px; align-items:center}
.brand .orb{
  width:28px; height:28px; border-radius:50%;
  background: radial-gradient(circle at 30% 30%, #fff, #8be7ff 30%, #3da5ff 55%, #1a3b75 70%, #000 80%);
  box-shadow: 0 0 24px 8px var(--glow), inset 0 0 24px rgba(125,227,255,.45);
  animation:pulse 4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{transform:scale(1); box-shadow:0 0 24px 8px var(--glow), inset 0 0 24px rgba(125,227,255,.45)}
  50%{transform:scale(1.06); box-shadow:0 0 34px 14px var(--glow), inset 0 0 34px rgba(125,227,255,.65)}
}
.brand h1{font-size:18px; margin:0; letter-spacing:.6px}
.nav a{margin:0 10px; font-size:14px; color:var(--muted)}

.hero{
  padding:64px 24px 24px;
  display:grid; place-items:center; text-align:center;
}
h2.display{
  margin:0;
  font-weight:800;
  font-size: clamp(28px, 4.6vw, 56px);
  letter-spacing:.3px;
  line-height:1.06;
}
.sub{color:var(--muted); max-width:900px; margin:14px auto 0; font-size:16px}

.scene{
  margin:36px auto 24px; width:min(920px, 92vw); aspect-ratio:16/9;
  position:relative; border-radius:18px; overflow:hidden;
  background: radial-gradient(1200px 600px at 50% 0%, rgba(125,227,255,.08), transparent 60%),
              linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0));
  border:1px solid rgba(125,227,255,.15);
  box-shadow: 0 10px 60px rgba(0,0,0,.35), inset 0 0 60px rgba(125,227,255,.06);
}

.grid{
  display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px;
  padding:18px; position:absolute; inset:auto 0 0 0;
  background: linear-gradient(180deg,rgba(7,7,11,.0),rgba(7,7,11,.55) 30%, rgba(7,7,11,.85));
  backdrop-filter: blur(4px);
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(125,227,255,.12);
  border-radius:12px; padding:14px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  cursor:pointer; position:relative;
}
.card:hover{
  transform: translateY(-4px);
  border-color: rgba(245,208,111,.6);
  box-shadow: 0 10px 30px rgba(245,208,111,.12);
}
.card .sym{font-weight:800; color:var(--gold); font-size:12px; letter-spacing:.8px}
.card .title{margin:6px 0 4px; font-weight:700}
.card .desc{color:var(--muted); font-size:12.5px; line-height:1.45; min-height:36px}

.index{
  display:flex; gap:18px; align-items:center; justify-content:center; margin:18px 0 36px;
}
.badge{
  border:1px solid rgba(125,227,255,.2); padding:10px 14px; border-radius:999px;
  background: rgba(125,227,255,.05); font-size:13px; color:var(--muted);
}

.footer{
  padding:36px 24px; color:var(--muted); text-align:center; border-top:1px solid rgba(125,227,255,.1);
}
.btn{
  display:inline-flex; align-items:center; gap:10px; padding:12px 16px; border-radius:12px;
  background: linear-gradient(180deg, rgba(245,208,111,.12), rgba(245,208,111,.06));
  border:1px solid rgba(245,208,111,.55);
  color:var(--text); font-weight:700; letter-spacing:.3px;
  box-shadow: 0 6px 18px rgba(245,208,111,.18);
}
.btn:active{transform:translateY(1px)}
.center{display:flex; justify-content:center}
.notice{font-size:12px; color:var(--muted); margin-top:8px}
.circle{
  position:absolute; inset:0; display:grid; place-items:center; pointer-events:none;
}
.circle .core{
  width:200px; height:200px; border-radius:50%;
  background: radial-gradient(circle at 38% 30%, #fff, #b5f0ff 24%, #7de3ff 46%, #2048a6 60%, transparent 65%),
              radial-gradient(circle at 70% 70%, rgba(111,255,208,.45), transparent 50%);
  filter: drop-shadow(0 0 22px rgba(125,227,255,.6));
  animation:rotate 24s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }
.orbit{
  position:absolute; width:72%; height:72%; border-radius:50%;
  border:1px dashed rgba(125,227,255,.2);
  animation: orbit 20s linear infinite;
}
@keyframes orbit { to { transform: rotate(-360deg); } }
.company-dot{
  position:absolute; width:14px; height:14px; border-radius:50%;
  background: var(--gold); box-shadow:0 0 18px rgba(245,208,111,.6);
}
.company-dot:nth-child(1){ top:8%; left:50%}
.company-dot:nth-child(2){ top:22%; left:82%}
.company-dot:nth-child(3){ top:54%; left:92%}
.company-dot:nth-child(4){ top:86%; left:68%}
.company-dot:nth-child(5){ top:92%; left:32%}
.company-dot:nth-child(6){ top:60%; left:8%}
.company-dot:nth-child(7){ top:26%; left:12%}
.company-dot:nth-child(8){ top:8%; left:28%}
.small{font-size:12px}