/* Nodo Central - estilo compartido (verde / azul / dorado) */
:root{
  --bg:#0b0f12;
  --card:#0f1416;
  --accent-1:#00d084; /* green */
  --accent-2:#22a6ff; /* blue */
  --accent-3:#d4b355; /* gold */
  --muted:#9aa6a8;
  --glass: rgba(255,255,255,0.03);
  --radius:12px;
  --max-w:980px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; background:linear-gradient(180deg,#071018 0%,#081217 60%);color:#e7f5ef}
a{color:var(--accent-2);text-decoration:none}
.container{width:90%;max-width:var(--max-w);margin:0 auto}
header{padding:28px 0}
.brand{display:flex;align-items:center;gap:16px}
.logo-mark{width:52px;height:52px;border-radius:10px;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));display:flex;align-items:center;justify-content:center;color:#021014;font-weight:700;box-shadow:0 6px 18px rgba(0,0,0,0.6),0 0 18px rgba(34,166,255,0.06) inset}
.brand h1{font-size:20px;margin:0;color:var(--accent-3);letter-spacing:0.4px}
.brand p{margin:0;color:var(--muted);font-size:13px}
.hero{display:flex;gap:28px;align-items:center;padding:34px;background:linear-gradient(135deg,rgba(34,166,255,0.03),rgba(0,208,132,0.02));border-radius:var(--radius);box-shadow:0 10px 30px rgba(2,6,8,0.6);margin-bottom:28px}
.hero .left{flex:1}
.hero h2{font-size:28px;margin:0 0 10px;color:var(--accent-1)}
.hero p{margin:0 0 18px;color:var(--muted)}
.btn{display:inline-block;padding:10px 18px;border-radius:999px;font-weight:600;background:linear-gradient(90deg,var(--accent-2),var(--accent-1));color:#021014;border:none;box-shadow:0 6px 18px rgba(2,6,8,0.6)}
.btn.secondary{background:transparent;color:var(--accent-2);border:1px solid rgba(34,166,255,0.12)}
.card{background:var(--card);padding:20px;border-radius:10px;border:1px solid rgba(255,255,255,0.03)}
main{padding-bottom:60px}
h3{color:var(--accent-2)}
p,li{color:var(--muted);line-height:1.6}
footer{padding:24px 0;color:var(--muted);font-size:13px;border-top:1px solid rgba(255,255,255,0.02);margin-top:40px}
.meta{display:flex;gap:12px;align-items:center}
@media (max-width:760px){.hero{flex-direction:column;align-items:flex-start}.brand h1{font-size:18px}.hero h2{font-size:22px}}