/* Reset y fuente base */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Segoe UI', sans-serif;
    }
    
    body {
      background: #f4f8fb;
      color: #333;
      line-height: 1.6;
    }
    
    /* Navegación */
    nav {
      background-color: #023e8a;
      padding: 15px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: relative;
      top: 0;
      z-index: 1000;
      flex-wrap: wrap;
    }
    
    nav .logo {
      color: white;
      font-size: 1.2rem;
      font-weight: bold;
    }
    
    .menu-toggle {
      display: none;
      font-size: 1.8rem;
      color: white;
      cursor: pointer;
    }
    
    nav ul {
      list-style: none;
      display: flex;
      gap: 20px;
    }
    
    nav ul li a {
      color: white;
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s;
    }
    
    nav ul li a:hover {
      color: #90e0ef;
    }
    
    /* Encabezado */
    header {
      background: linear-gradient(90deg, #0077b6, #00b4d8);
      color: white;
      padding: 40px 20px;
      text-align: center;
    }
    
    header h1 {
      font-size: 2.8rem;
      margin-bottom: 10px;
    }
    
    header p {
      font-size: 1.2rem;
    }
    
    /* Secciones */
    section {
      padding: 40px 20px;
      max-width: 1100px;
      margin: auto;
    }
    
    /* Tarjetas */
    .features,
    .screenshots {
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      justify-content: center;
    }
    
    .card {
      background: white;
      border-radius: 12px;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
      padding: 25px;
      max-width: 300px;
      text-align: center;
      transition: transform 0.3s;
    }
    
    .card:hover {
      transform: translateY(-5px);
    }
    
    /* Botón de descarga */
    .download {
      text-align: center;
      margin-top: 50px;
    }
    
    .download a {
      display: inline-block;
      background: #0077b6;
      color: white;
      padding: 15px 30px;
      border-radius: 8px;
      font-size: 1.1rem;
      text-decoration: none;
      transition: background 0.3s;
    }
    
    .download a:hover {
      background: #023e8a;
    }
    
    /* Pie de página moderno */
    .footer {
      background: #023e8a;
      color: #f1f1f1;
      text-align: center;
      padding: 30px 20px;
      font-size: 0.95rem;
      margin-top: 40px;
    }
    
    .footer-content p {
      margin: 8px 0;
      line-height: 1.6;
    }
    
    .footer-content strong {
      color: #90e0ef;
    }
    
    .footer-content em {
      font-style: normal;
      color: #ffd60a;
    }
    
    .footer-link {
      color: #ffffff;
      font-weight: bold;
      text-decoration: underline;
      transition: color 0.3s ease;
    }
    
    .footer-link:hover {
      color: #90e0ef;
    }

    
    /* Carrusel */
    .carousel-container {
      position: relative;
      width: 100%;
      max-width: 400px;
      height: 300px;
      margin: 0 auto 60px;
      overflow: hidden;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      background: #fff;
    }
    
    .carousel-slide {
      display: flex;
      transition: transform 0.5s ease-in-out;
      height: 100%;
    }
    
    .carousel-img {
      flex: 0 0 100%;
      width: 100%;
      max-width: 400px;
      height: auto;
      object-fit: contain;
      display: block;
      margin: auto;
      background-color: #ffffff;
    }
    
    /* Botones de carrusel */
    .prev,
    .next {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      background-color: rgba(0, 0, 0, 0.5);
      color: white;
      border: none;
      padding: 12px;
      border-radius: 50%;
      cursor: pointer;
      z-index: 10;
    }
    
    .prev {
      left: 10px;
    }
    
    .next {
      right: 10px;
    }
    
    /* Intro sección */
    .intro-header {
      background: linear-gradient(90deg, #0077b6, #00b4d8);
      color: white;
      text-align: center;
      padding: 60px 20px 40px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    
    .intro-header h1 {
      font-size: 3rem;
      margin-bottom: 10px;
    }
    
    .intro-header p {
      font-size: 1.2rem;
      font-weight: 300;
      max-width: 700px;
      margin: auto;
    }
    
    .intro-section {
      text-align: center;
      padding: 50px 20px;
      max-width: 900px;
      margin: auto;
    }
    
    .intro-section .intro-logo img {
      width: 140px;
      height: auto;
      margin-bottom: 30px;
      filter: drop-shadow(0 2px 6px rgba(0,0,0,0.15));
      transition: transform 0.3s ease;
    }
    
    .intro-section .intro-logo img:hover {
      transform: scale(1.05);
    }
    
    .intro-section h2 {
      font-size: 2rem;
      color: #023e8a;
      margin-bottom: 20px;
    }
    
    .intro-section p {
      font-size: 1.15rem;
      max-width: 760px;
      margin: 20px auto;
      color: #333;
      line-height: 1.8;
      background-color: #f9f9f9;
      padding: 20px 25px;
      border-left: 5px solid #00b4d8;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.05);
      transition: background-color 0.3s ease;
    }
    
    .intro-section p:hover {
      background-color: #eefcff;
    }
    
    /* Responsive */
    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
    
      nav ul {
        display: none;
        width: 100%;
        flex-direction: column;
        margin-top: 10px;
        gap: 10px;
        padding-left: 0;
      }
    
      nav ul.active {
        display: flex;
      }
    
      header h1 {
        font-size: 2rem;
      }
    
      header p {
        font-size: 1rem;
      }
    
      .features,
      .screenshots {
        flex-direction: column;
        align-items: center;
      }
    
      .download a {
        width: 90%;
      }
    
      .carousel-container {
        max-width: 90%;
        height: 220px;
      }
    
      .carousel-img {
        max-width: 100%;
        height: auto;
      }
    
      .intro-section p {
        font-size: 1rem;
        padding: 16px 20px;
        line-height: 1.6;
        max-width: 90%;
      }
    
      .intro-section h2 {
        font-size: 1.5rem;
      }
    
      .intro-section .intro-logo img {
        width: 100px;
      }
    }
    
    @media (max-width: 480px) {
      .carousel-container {
        height: 180px;
      }
    
      .prev,
      .next {
        padding: 8px;
      }
    }