/* Reset básico */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  /* Fondo oscuro con degradado suave */
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
   background: linear-gradient(135deg, #ffffff 0%, #dedfe0 100%);
   /* background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);*/ /*FONDO PARA NOSOTROS */
    color: #f1f5f9;
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 40px;
  }

  /* Header */
  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
   background: #18923f;
   /* background: rgba(15, 23, 42, 0.85); /* fondo semi-transparente oscuro */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .headerIzq img {
    height: 40px;
    object-fit: contain;
  }

  .botonIngreso {
    background-color:  rgba(30, 41, 59, 0.7);
    color: white;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    transition: background-color 0.2s ease;
  }

  .botonIngreso:hover {
    background-color: #147a34;
  }

  /* Contenedor principal */
  .container {
    max-width: 600px;
    margin: 32px auto;
    padding: 0 16px;
  }

  /* Cuadros de contenido sobre fondo oscuro */
  .cuadro {
    background: rgba(30, 41, 59, 0.7); /* slate-800 semi-transparente */
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
  }

  .cuadro:hover {
    transform: translateY(-2px);
    background: rgba(30, 41, 59, 0.9);
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  }

  .letraGrande {
    font-size: 18px;
    font-weight: 600;
    color: #f1f5f9;
  }

  .letraGrande span {
    color: #18923f;
    font-size: 28px !important;
    font-weight: 700;
  }

  .imagen-redonda {
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 8px;
  /*  filter: invert(1); /* asegura que el ícono de WhatsApp se vea claro */
  }

  /* Footer */
  .footer {
    text-align: center;
    padding: 20px;
    color: #94a3b8;
    font-size: 14px;
    margin-top: 40px;
  }

  /* Responsive */
  @media (max-width: 480px) {
    .letraGrande {
      font-size: 16px;
    }
    .letraGrande span {
      font-size: 24px !important;
    }
    .header {
      padding: 12px;
    }
    .cuadro {
      padding: 20px;
    }
  }