:root{
      --bg: #0b0f19;
      --panel: rgba(255,255,255,.06);
      --panel2: rgba(255,255,255,.09);
      --text: rgba(255,255,255,.92);
      --muted: rgba(255,255,255,.72);
      --muted2: rgba(255,255,255,.6);
      --border: rgba(255,255,255,.12);
      --shadow: 0 18px 60px rgba(0,0,0,.45);
      --radius: 18px;
      --radius2: 26px;
      --max: 1100px;
      --pad: 20px;
      --pad2: 28px;
      --accent: #7c4dff;
      --accent2: #22c55e;
      --danger: #ef4444;
      --focus: rgba(124,77,255,.55);
      --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
    }

    *{ box-sizing: border-box; }
    html,body{ height:100%; }
    body{
      margin:0;
      font-family: var(--font);
      color: var(--text);
      background: radial-gradient(1200px 600px at 20% 0%, rgba(124,77,255,.22), transparent 60%),
                  radial-gradient(900px 500px at 90% 10%, rgba(34,197,94,.18), transparent 55%),
                  radial-gradient(1000px 700px at 50% 110%, rgba(255,255,255,.06), transparent 60%),
                  var(--bg);
      line-height: 1.35;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    a{ color: inherit; text-decoration: none; }
    a:focus, button:focus, input:focus{ outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 10px; }

    .container{
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 var(--pad);
    }

    /* Header */
    header{
      position: fixed;
      top: 0;
     left: 0;
      right: 0;
      width: 100%;
      top: 0;
      z-index: 2147483647;
      backdrop-filter: blur(14px);
      background: linear-gradient(to bottom, rgba(11,15,25,.85), rgba(11,15,25,.55));
      border-bottom: 1px solid rgba(255,255,255,.06);
    }

@media (max-width: 700px){
  main{ padding-top: 66px; }
}
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding: 14px 0;
      gap: 18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap: 10px;
      min-width: 160px;
    }
    .logo{
      width: 36px; height: 36px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(124,77,255,1), rgba(34,197,94,1));
      box-shadow: 0 10px 30px rgba(0,0,0,.35);
    }
    .logo-img{
      width: 36px;
      height: 36px;
      border-radius: 12px;
      object-fit: contain;
      display: block;
        }
    .brand span{
      font-weight: 750;
      letter-spacing: .2px;
    }

    nav ul{
      list-style:none;
      padding:0;
      margin:0;
      display:flex;
      gap: 14px;
      align-items:center;
      justify-content: flex-end;
      flex-wrap: wrap;
    }
    nav a{
      display:inline-flex;
      padding: 10px 12px;
      border-radius: 12px;
      color: var(--muted);
      border: 1px solid transparent;
    }
    nav a:hover{
      color: var(--text);
      background: rgba(255,255,255,.05);
      border-color: rgba(255,255,255,.08);
    }

    .nav-cta{
      display:flex;
      gap: 10px;
      align-items:center;
      min-width: 220px;
      justify-content: flex-end;
    }

    /* Buttons */
    .btn{
      appearance:none;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      color: var(--text);
      padding: 10px 14px;
      border-radius: 14px;
      font-weight: 650;
      cursor:pointer;
      transition: transform .08s ease, background .2s ease, border-color .2s ease;
      box-shadow: 0 10px 28px rgba(0,0,0,.25);
      white-space: nowrap;
    }
    .btn:hover{ background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.18); }
    .btn:active{ transform: translateY(1px); }

    .btn-primary{
      border-color: rgba(124,77,255,.35);
      background: linear-gradient(135deg, rgba(124,77,255,.9), rgba(124,77,255,.55));
    }
    .btn-primary:hover{
      background: linear-gradient(135deg, rgba(124,77,255,1), rgba(124,77,255,.62));
      border-color: rgba(124,77,255,.55);
    }

    .btn-ghost{
      box-shadow: none;
      background: transparent;
      border-color: rgba(255,255,255,.12);
      color: var(--muted);
    }
    .btn-ghost:hover{
      color: var(--text);
      background: rgba(255,255,255,.05);
    }

    /* Sections */
    section{
      padding: 64px 0;
    }
    .hero{
      padding: 72px 0 46px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 26px;
      align-items: start;
    }
    .card{
      background: linear-gradient(to bottom, rgba(255,255,255,.08), rgba(255,255,255,.05));
      border: 1px solid rgba(255,255,255,.10);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
    }
    .card-inner{
      padding: 30px;
    }

    h1{
      font-size: clamp(32px, 4vw, 52px);
      line-height: 1.06;
      margin: 0 0 12px;
      letter-spacing: -.6px;
    }
    .lead{
      font-size: clamp(16px, 1.7vw, 18px);
      color: var(--muted);
      margin: 0 0 12px;
    }
    .micro{
      font-size: 13px;
      color: var(--muted2);
      margin: 10px 0 0;
    }

    .pill-row{
      display:flex;
      gap:10px;
      flex-wrap: wrap;
      margin-top: 18px;
    }
    .pill{
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      padding: 8px 12px;
      border-radius: 999px;
      font-size: 13px;
      color: var(--muted);
    }

    /* Forms */
    form{ margin-top: 18px; }
    .form-row{
      display:flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items: center;
    }
    .input{
      flex: 1 1 220px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(0,0,0,.25);
      color: var(--text);
      padding: 12px 14px;
      border-radius: 14px;
      font-size: 15px;
    }
    .input::placeholder{ color: rgba(255,255,255,.5); }
    .check{
      display:flex;
      gap: 10px;
      align-items:flex-start;
      margin-top: 12px;
      color: var(--muted2);
      font-size: 13px;
    }
    .check input{ margin-top: 2px; }

    .form-note{
      margin-top: 10px;
      color: var(--muted2);
      font-size: 13px;
    }

    /* Right hero panel */
    .side{
      display:flex;
      flex-direction: column;
      gap: 14px;
    }
    .side .mini{
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.05);
    }
    .mini h3{
      margin: 0 0 6px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .mini p{
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    /* Feature grid */
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 18px;
    }
    .feature{
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.05);
      min-height: 120px;
    }
    .feature h3{
      margin: 0 0 6px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .feature p{
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    /* Split section (B2B) */
    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    /* Footer */
    footer{
      padding: 34px 0 46px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: var(--muted2);
    }
    .foot{
      display:flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      align-items: center;
    }
    .foot a{
      color: var(--muted2);
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
    }
    .foot a:hover{
      color: var(--text);
      background: rgba(255,255,255,.05);
      border-color: rgba(255,255,255,.08);
    }

    /* Small screens */
    @media (max-width: 920px){
      .hero-grid{ grid-template-columns: 1fr; }
      .nav-cta{ min-width: auto; }
      .split{ grid-template-columns: 1fr; }
    }

    @media (max-width: 768px){
      .grid-3{ grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
      .brand{ min-width: auto; }
      nav{ flex: 1; }
      nav ul{
        justify-content: center;
        font-size: 14px;
      }
      nav a{
        padding: 8px 10px;
      }
    }

    @media (max-width: 700px){
      section{ padding: 48px 0; }
      .hero{ padding: 80px 0 36px; }
      main{ padding-top: 60px; }
      .card-inner{ padding: 20px; }
      .grid-3{ grid-template-columns: 1fr; }
      .split{ grid-template-columns: 1fr; }
      nav ul{ gap: 6px; }
      .nav-cta{ display:none; } /* Deja el CTA dentro del hero en móvil */
      .form-row{
        flex-direction: column;
      }
      .form-row .btn{
        width: 100%;
      }
      h1{
        font-size: clamp(28px, 8vw, 52px);
      }
      .h2{
        font-size: 22px;
      }
      .pill-row{
        justify-content: center;
      }
      .foot{
        flex-direction: column;
        text-align: center;
        gap: 20px;
      }
      .foot > div:last-child{
        display: flex;
        flex-direction: column;
        gap: 8px;
      }
    }

    @media (max-width: 480px){
      :root{
        --pad: 16px;
      }
      .nav{
        padding: 10px 0;
        flex-wrap: wrap;
      }
      .brand{
        flex: 0 0 100%;
        justify-content: center;
        margin-bottom: 8px;
      }
      nav{
        flex: 0 0 100%;
      }
      nav ul{
        width: 100%;
        justify-content: center;
      }
      .card-inner{
        padding: 16px;
      }
      section{
        padding: 36px 0;
      }
      .hero{
        padding: 100px 0 32px;
      }
      .feature, .side .mini{
        padding: 14px;
      }
      .btn{
        padding: 8px 12px;
        font-size: 15px;
      }
      .input{
        padding: 6px 10px !important;
        font-size: 16px !important;
        line-height: 1.2 !important;
        height: auto !important;
        max-height: 38px !important;
        flex: none !important;
      }
      select.input{
        padding: 6px 10px !important;
        font-size: 16px !important;
        line-height: 1.2 !important;
        height: auto !important;
        max-height: 38px !important;
      }
      textarea.input{
        padding: 8px 10px !important;
        min-height: 80px !important;
        max-height: none !important;
        line-height: 1.4 !important;
        height: auto !important;
      }
    }

    /* Utilidad accesible para labels ocultas */
    .sr-only{
      position:absolute !important;
      width:1px; height:1px;
      padding:0; margin:-1px;
      overflow:hidden; clip:rect(0,0,0,0);
      white-space:nowrap; border:0;
    }

/* Helpers */
.hidden{ display:none !important; }

.input-textarea{
  min-height: 92px;
  resize: vertical;
}

.response-message{
  display:block;
  margin-top:10px;
}

.response-message.success{
  color: rgba(34,197,94,.95);
}

.response-message.error{
  color: rgba(239,68,68,.95);
}

/* Headings helper used in index.html */
.h2{
  margin:0 0 10px;
  font-size: 26px;
  letter-spacing:-.3px;
}

/* Canvas fondo */
#bg-canvas{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;   /* por detrás de todo */
  pointer-events: none;
  opacity: .35;  /* sutil */
}

header{ 
  isolation: isolate; 
}

#bg-canvas{ 
  z-index: -2 !important; 
}