    body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #fff8f0;
      color: #3a1f1f;
      line-height: 1.6;
    }
    header {
      position: fixed;
      top: 0; left: 0;
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #fff;
      padding: 10px 20px;
      z-index: 1000;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    header .logo img {
      height: 50px;
      max-width: 100%;
    }
    header a.cta {
      background: linear-gradient(90deg, #ffb200, #b83333);
      padding: 10px 20px;
      border-radius: 25px;
      color: white;
      text-decoration: none;
      font-weight: bold;
      transition: background 0.3s ease;
      white-space: nowrap;
    }
header a.whatsapp-btn {
  background: none;
  padding: 0;
  border-radius: 50%;
  position: relative;       /* para poder moverlo con right */
  right: 50px;             /* mover un poco hacia la izquierda */
}

header a.whatsapp-btn img {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  transition: transform 0.2s ease;
}

header a.whatsapp-btn img:hover {
  transform: scale(1.1);
}
    header a.cta:hover {
      background: linear-gradient(90deg, #ffcc33, #8b1e3f);
    }
    main {
      padding-top: 80px;
    }
    section.hero {
      text-align: center;
      padding: 80px 20px;
      background: linear-gradient(180deg, #fff8f0 0%, #ffe6d9 100%);
    }
    section.hero h1 {
      font-size: 2.2rem;
      color: #b83333;
    }
    section.hero p {
      font-size: 1.1rem;
      color: #5a2b2b;
      max-width: 700px;
      margin: 20px auto;
    }
    .btn-primary {
      display: inline-block;
      background: linear-gradient(90deg, #ffb200, #b83333);
      color: white;
      padding: 12px 24px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      margin-top: 20px;
      transition: transform 0.2s ease;
    }
    .btn-primary:hover { transform: scale(1.05); }
    section {
      padding: 60px 20px;
      max-width: 1100px;
      margin: auto;
    }
    section h2 {
      text-align: center;
      margin-bottom: 30px;
      color: #b83333;
    }
    .features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }
    .feature {
      background: #fff;
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    }
    .feature h3 {
      color: #ff884d;
      margin-bottom: 10px;
    }

    .clients {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      align-items: center;
    }
    .clients img {
      height: 100px;
      max-width: 100%;
      filter: grayscale(70%);
      opacity: 0.7;
    }
    form {
      display: grid;
      gap: 15px;
      max-width: 400px;
      margin: auto;
    }
    form input, form button {
      padding: 12px;
      border-radius: 8px;
      border: 1px solid #ddd;
      font-size: 1rem;
    }
    form button {
      background: linear-gradient(90deg, #ffb200, #b83333);
      color: white;
      border: none;
      cursor: pointer;
      font-weight: bold;
    }
    footer {
      text-align: center;
      padding: 20px;
      background: #fff8f0;
      font-size: 0.9rem;
      color: #5a2b2b;
    }
    /* Modal */
    .modal {
      display: none;
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: rgba(0,0,0,0.6);
      justify-content: center;
      align-items: center;
      padding: 20px;
    }
    .modal-content {
      background: #fff;
      padding: 20px;
      border-radius: 12px;
      max-width: 400px;
      text-align: center;
      font-size: 18px;
    }
    .modal.success .modal-content { border: 3px solid #28a745; color: #28a745; }
    .modal.error .modal-content { border: 3px solid #b83333; color: #b83333; }
    .close-btn {
      margin-top: 15px;
      padding: 8px 20px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      background: #333;
      color: white;
    }


    /* BOTONES Y LINKS */
    a.button, button {
      display: inline-block;
      padding: 12px 24px;
      margin: 10px 0;
      font-size: 16px;
      font-weight: bold;
      color: #fff;
      text-decoration: none;
      background: linear-gradient(145deg, #ff6600, #ff8800);
      border-radius: 12px;
      box-shadow: 0 6px #cc5500;
      transition: all 0.2s ease;
    }

    a.button:hover, button:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px #b34700;
    }

    a.button:active, button:active {
      transform: translateY(2px);
      box-shadow: 0 3px #b34700;
    }

    section {
      padding: 40px 20px;
      text-align: center;
    }

    /* DEMOS 2x2 */
    .demo-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      max-width: 800px;
      margin: 0 auto;
    }

    .demo-item {
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      padding: 20px;
      transition: transform 0.2s ease;
    }

    .demo-item:hover {
      transform: translateY(-5px);
    }

    .demo-item img {
      width: 100%;
      border-radius: 8px;
      margin-bottom: 10px;
      background: #ddd; /* lugar reservado para previews */
    }

    /* PRICING */
    .pricing {
      display: flex;
      justify-content: center;
      gap: 20px;
      max-width: 1000px;
      margin: 0 auto;
      flex-wrap: wrap;
    }
    .pricing .price {
      font-size: 2rem;
      color: #b83333;
      margin: 10px 0;
    }
    .pricing ul {
      list-style-type: disclosure-closed;
      text-align: left;


    }
    .plan {
      flex: 1;
      min-width: 250px;
      background: #fff;
      border-radius: 16px;
      padding: 30px 20px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      transition: transform 0.3s ease;
    }

    .plan h3 {
      margin-bottom: 15px;
    }

    .plan p {
      font-size: 14px;
      margin-bottom: 20px;
    }

    .plan button {
      width: 100%;
    }

    /* Plan destacado */
    .plan.featured {
      background: linear-gradient(135deg, #ff8800, #f7bf70);
      color: #fff;
      transform: scale(1.05);
      box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    }

    .plan.featured button {
      background: #fff;
      color: #ff6600;
      box-shadow: 0 6px #e6e6e6;
    }


    /* Responsive */
    iframe { max-width: 100%; height: auto; }
/* Ajuste del botón WhatsApp en móviles */
@media (max-width: 768px) {
  header {
    flex-direction: row;     /* mantener logo y botón en la misma fila */
    justify-content: space-between;
    align-items: center;
  }
  header a.cta {
    margin-top: 0;           /* eliminar margen superior que lo bajaba */
  }
  header a.whatsapp-btn {
    position: absolute;
    right: 50px;             /* margen desde el borde derecho */
    top: 50%;                /* altura central relativa al header */
    transform: translateY(-50%); /* centrar verticalmente con el logo */
  }
}