:root{
  --bg:#070A12;
  --edge:#22304a;
  --text:#EAF1FF;
  --muted:#A9B6D3;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background:
    radial-gradient(900px 500px at 15% 0%, rgba(122,162,255,.18) 0%, transparent 60%),
    radial-gradient(900px 500px at 85% 10%, rgba(186,121,255,.14) 0%, transparent 60%),
    var(--bg);
  color:var(--text);
  overflow-x:hidden;
}

a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:56px 18px;position:relative;z-index:2}

.top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:42px;height:42px;border-radius:14px;border:1px solid var(--edge);
  background: linear-gradient(135deg, rgba(122,162,255,.35), rgba(186,121,255,.15));
  display:grid;place-items:center;box-shadow: 0 10px 30px rgba(0,0,0,.30);
}
.logo svg{width:22px;height:22px;opacity:.95}
.badge{
  display:inline-flex;gap:8px;align-items:center;
  border:1px solid var(--edge);padding:8px 12px;border-radius:999px;
  color:var(--muted);background: rgba(10,14,24,.45);
}

h1{font-size:44px;letter-spacing:-.02em;margin:12px 0 10px}
.sub{color:var(--muted);font-size:18px;max-width:74ch;margin:0 0 26px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:18px}
.card{
  border:1px solid var(--edge);
  background: rgba(13,19,35,.60);
  border-radius:20px;
  padding:16px;
  box-shadow: 0 12px 40px rgba(0,0,0,.28);
}
.card h2{margin:10px 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted);line-height:1.4}
.card .row{display:flex;gap:12px;align-items:center}
.icon{
  width:44px;height:44px;flex:0 0 auto;border-radius:16px;
  border:1px solid var(--edge);background: rgba(8,12,22,.55);
  display:grid;place-items:center;
}
.icon svg{width:26px;height:26px;opacity:.92}

.links{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn{
  text-decoration:none;border:1px solid var(--edge);background: rgba(8,12,22,.55);
  padding:10px 12px;border-radius:14px;color:var(--text);
  display:inline-flex;align-items:center;gap:8px;
}
.btn:hover{border-color:#3b5aa0}
.btn small{color:var(--muted)}

.section-title{
  margin-top:26px;color:rgba(122,162,255,.95);
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:12px;
}
hr{border:none;height:1px;background:rgba(34,48,74,.7);margin:22px 0}
.foot{color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* === Cable overlay styling === */
.cable-layer{
  position:fixed; inset:0; width:100%; height:100%;
  pointer-events:none; z-index:1;
  opacity:.38;
}

/* copper cable: darker jacket + subtle highlight */
.copper-jacket{ stroke: rgba(18,28,46,.95); stroke-width: 6; }
.copper-core{ stroke: rgba(122,162,255,.55); stroke-width: 2.2; }

/* fiber: glow + animated dash */
.fiber-glow{
  stroke: rgba(186,121,255,.55); stroke-width: 3.2;
  filter: drop-shadow(0 0 6px rgba(186,121,255,.35));
  stroke-dasharray: 10 10;
  animation: fiberFlow 2.2s linear infinite;
}
@keyframes fiberFlow { to { stroke-dashoffset: -40; } }

/* copper “signal” pulses */
.signal-dash{
  stroke: rgba(122,162,255,.8);
  stroke-width: 2.2;
  stroke-dasharray: 6 14;
  animation: copperFlow 2.6s linear infinite;
}
@keyframes copperFlow { to { stroke-dashoffset: -60; } }

/* RJ45 ends */
.endcap{ fill: rgba(10,14,24,.9); stroke: rgba(122,162,255,.35); stroke-width: 1.5; }
.pin{ fill: rgba(122,162,255,.55); opacity:.65; }