/* Nesux VS Code — estilos compartidos por todas las paginas. */
:root{
    --bg:#0B1220; --bg2:#0f172a; --panel:rgba(30,41,59,.5); --border:rgba(255,255,255,.08);
    --txt:#E2E8F0; --muted:#94A3B8; --title:#FFFFFF;
    --verde:#10B981; --verde2:#059669; --azul:#007ACC; --azul2:#38BDF8; --oro:#FFD700;
  }
  html[data-theme="light"]{
    --bg:#F1F5F9; --bg2:#FFFFFF; --panel:rgba(255,255,255,.85); --border:rgba(15,23,42,.10);
    --txt:#1E293B; --muted:#475569; --title:#0F172A;
  }
  *{box-sizing:border-box}
  html,body{max-width:100%;overflow-x:hidden}
  body{
    margin:0;background:var(--bg);color:var(--txt);line-height:1.6;
    font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
    background-image:radial-gradient(1200px 600px at 15% -10%, rgba(0,122,204,.18), transparent 60%),
                     radial-gradient(1000px 500px at 90% 10%, rgba(16,185,129,.14), transparent 60%);
    background-attachment:fixed;
  }
  a{color:inherit}
  .wrap{max-width:1080px;margin:0 auto;padding:0 20px}
  section{padding:64px 0}
  .center{text-align:center}

  /* ===== BARRA DE NAVEGACIÓN (enlaces VISIBLES, como Trading y Litio) ===== */
  .navbar{
    position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;gap:14px;
    padding:10px 20px;background:rgba(11,18,32,.82);border-bottom:1px solid var(--border);
    backdrop-filter:blur(14px);
  }
  html[data-theme="light"] .navbar{background:rgba(255,255,255,.88)}
  .brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:1.05rem;
    color:var(--title);text-decoration:none;white-space:nowrap}
  .brand .accent{background:linear-gradient(90deg,#007ACC,#38BDF8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
  .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
  .nav-link{display:inline-flex;align-items:center;gap:6px;padding:9px 13px;border-radius:10px;
    color:var(--muted);text-decoration:none;font-size:.93rem;font-weight:600;transition:all .2s;white-space:nowrap}
  .nav-link:hover{color:var(--verde);background:rgba(16,185,129,.12)}
  .nav-link.on{color:var(--azul2);background:rgba(0,122,204,.14)}
  .nav-cta{background:var(--verde);color:#04150F !important;font-weight:800}
  .nav-cta:hover{background:var(--verde2);color:#fff !important}
  .nav-toggle{display:none;width:44px;height:44px;border-radius:50%;font-size:1.2rem;cursor:pointer;
    align-items:center;justify-content:center;
    background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.5);color:var(--verde)}
  .theme-toggle{
    width:44px;height:44px;border-radius:50%;flex-shrink:0;
    border:1px solid rgba(16,185,129,.5);background:rgba(16,185,129,.15);color:var(--verde);
    font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:transform .25s,background .25s;
  }
  .theme-toggle:hover{transform:scale(1.1);background:rgba(16,185,129,.28)}
  .theme-toggle .icon-sun{display:none}
  html[data-theme="light"] .theme-toggle .icon-sun{display:inline}
  html[data-theme="light"] .theme-toggle .icon-moon{display:none}

  /* ===== HERO ===== */
  .hero{padding-top:110px;text-align:center}
  .pill{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
    color:#7DD3FC;background:rgba(0,122,204,.18);border:1px solid rgba(0,122,204,.45);
    padding:6px 14px;border-radius:999px;margin-bottom:18px}
  h1{font-size:clamp(2rem,5.2vw,3.4rem);line-height:1.15;font-weight:900;margin:0 0 16px;color:var(--title)}
  h1 .grad{background:linear-gradient(90deg,#007ACC,#38BDF8,#10B981);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
  .lead{font-size:1.15rem;color:var(--muted);max-width:760px;margin:0 auto 10px}
  .lead b{color:var(--txt)}
  .cta-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
  .btn{display:inline-flex;align-items:center;gap:9px;border:0;border-radius:999px;cursor:pointer;
    font-size:1.02rem;font-weight:800;padding:15px 30px;text-decoration:none;transition:all .25s;
    box-shadow:0 10px 30px rgba(0,0,0,.35)}
  .btn-verde{background:var(--verde);color:#04150F}
  .btn-verde:hover{background:var(--verde2);color:#fff;transform:translateY(-2px)}
  .btn-azul{background:var(--azul);color:#fff}
  .btn-azul:hover{background:#0a94f0;transform:translateY(-2px)}
  .btn-ghost{background:transparent;color:var(--txt);border:1px solid var(--border)}
  .btn-ghost:hover{border-color:var(--verde);color:var(--verde)}

  /* ===== TÍTULOS DE SECCIÓN ===== */
  .kicker{color:var(--azul2);font-weight:800;letter-spacing:2px;text-transform:uppercase;font-size:.8rem;margin-bottom:10px}
  h2{font-size:clamp(1.6rem,3.6vw,2.4rem);font-weight:900;margin:0 0 12px;color:var(--title)}
  .sub{color:var(--muted);max-width:720px;margin:0 auto 34px}

  /* ===== TARJETAS ===== */
  .grid{display:grid;gap:20px}
  .g2{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(3,1fr)}
  .g4{grid-template-columns:repeat(4,1fr)}
  .card{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:26px;backdrop-filter:blur(10px);transition:all .3s}
  .card:hover{transform:translateY(-4px);border-color:rgba(16,185,129,.45);box-shadow:0 20px 50px rgba(16,185,129,.12)}
  .card h3{margin:14px 0 8px;font-size:1.2rem;color:var(--title)}
  .card p{margin:0;color:var(--muted);font-size:.97rem}
  .ico{width:64px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
    font-size:1.7rem;background:linear-gradient(135deg,#10B981,#059669);box-shadow:0 8px 24px rgba(16,185,129,.3)}
  .ico.azul{background:linear-gradient(135deg,#007ACC,#38BDF8);box-shadow:0 8px 24px rgba(0,122,204,.3)}
  .num{font-size:2rem;font-weight:900;color:var(--verde);line-height:1}
  .num.azul{color:var(--azul2)}

  /* ===== VERDADES ===== */
  .verdad{position:relative;padding-left:0}
  .verdad .num{font-size:2.6rem;opacity:.9}
  .verdad .frase{font-size:1.06rem;font-weight:700;color:var(--title);margin:10px 0 8px}

  /* ===== RUTA POR NIVELES ===== */
  .nivel{display:flex;gap:18px;align-items:flex-start;background:var(--panel);border:1px solid var(--border);
    border-radius:18px;padding:22px;margin-bottom:14px;backdrop-filter:blur(10px)}
  .nivel .badge{flex-shrink:0;min-width:92px;text-align:center;font-weight:900;font-size:.82rem;letter-spacing:1px;
    text-transform:uppercase;padding:9px 12px;border-radius:999px;background:rgba(0,122,204,.16);
    border:1px solid rgba(0,122,204,.4);color:#7DD3FC}
  .nivel h3{margin:0 0 6px;font-size:1.14rem;color:var(--title)}
  .nivel p{margin:0;color:var(--muted);font-size:.96rem}
  .nivel ul{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:.94rem}
  .nivel li{margin:3px 0}

  /* ===== LISTAS SÍ/NO ===== */
  .listcheck{list-style:none;padding:0;margin:0}
  .listcheck li{display:flex;gap:10px;align-items:flex-start;margin:11px 0;color:var(--muted)}
  .listcheck li b{color:var(--txt)}
  .tick{color:var(--verde);font-weight:900}
  .cross{color:#F87171;font-weight:900}

  /* ===== FAQ ===== */
  .faq{background:var(--panel);border:1px solid var(--border);border-radius:16px;margin-bottom:12px;overflow:hidden}
  .faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--title);list-style:none;display:flex;justify-content:space-between;gap:12px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:'+';color:var(--verde);font-weight:900}
  .faq[open] summary::after{content:'–'}
  .faq p{margin:0;padding:0 22px 20px;color:var(--muted)}

  /* ===== CIERRE ===== */
  .cierre{background:linear-gradient(135deg,rgba(0,122,204,.18),rgba(16,185,129,.16));
    border:1px solid rgba(16,185,129,.35);border-radius:26px;padding:46px 26px;text-align:center}

  footer{border-top:1px solid var(--border);padding:34px 0 60px;color:var(--muted);font-size:.9rem;text-align:center}
  .legal{font-size:.78rem;opacity:.75;max-width:760px;margin:14px auto 0}

  /* ===== MÓVIL: todo centrado, botones redondos y alineados ===== */
  @media(max-width:1100px){
    /* MÓVIL/TABLET: ☰ a la izquierda, marca centrada, tema a la derecha.
       Los enlaces se despliegan debajo, en columna y centrados. */
    .nav-toggle{display:flex}
    .brand{margin:0 auto}
    .nav-links{
      display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:2px;
      margin:0;padding:10px 14px 16px;background:rgba(11,18,32,.98);
      border-bottom:1px solid var(--border);backdrop-filter:blur(14px);
    }
    html[data-theme="light"] .nav-links{background:rgba(255,255,255,.98)}
    .nav-links.abierto{display:flex}
    .nav-link{width:100%;justify-content:center;padding:13px}
  }
  @media(max-width:900px){
    section{padding:44px 0}
    .g2,.g3,.g4{grid-template-columns:1fr}
    .hero{padding-top:104px}
    .card,.verdad{text-align:center}
    .card .ico{margin:0 auto}
    .listcheck li{text-align:left}
    .nivel{flex-direction:column;align-items:center;text-align:center}
    .nivel ul{text-align:left;display:inline-block}
    .btn{width:100%;justify-content:center}
  }