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

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', Helvetica, Arial, sans-serif;
      background-color: #F5F5F7;
      color: #1d1d1f;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
    }

    .site-wrapper {
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    /* ========== NAVBAR ESTILO APPLE ========== */
    .apple-nav {
      background-color: rgba(17, 18, 23, 0.98);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(50, 54, 65, 0.3);
      position: sticky;
      top: 0;
      z-index: 1000;
      width: 100%;
    }

    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 70px;
      gap: 32px;
    }

    /* Logo - caja para imagen */
    .logo-area {
      display: flex;
      align-items: center;
      text-decoration: none;
      flex-shrink: 0;
    }

    .logo-image-container {
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }

    /* Contenedor del logo con imagen */
    .logo-wrapper {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo-img {
      max-height: 48px;
      width: auto;
      border-radius: 10px;
      display: block;
      transition: transform 0.2s;
    }

    .logo-img:hover {
      transform: scale(1.02);
    }

    /* Botón para cambiar logo - estilo Apple */
    .logo-upload-btn {
      background: rgba(12, 229, 124, 0.15);
      border: 1px solid rgba(12, 229, 124, 0.4);
      color: #0CE57C;
      font-size: 0.7rem;
      font-weight: 500;
      padding: 4px 12px;
      border-radius: 20px;
      cursor: pointer;
      transition: all 0.2s;
      font-family: inherit;
      white-space: nowrap;
    }

    .logo-upload-btn:hover {
      background: #0CE57C;
      color: #111217;
      border-color: #0CE57C;
    }

    /* Input de archivo oculto */
    .logo-file-input {
      display: none;
    }

    /* Menú de navegación - efecto SUBRAYADO */
    .nav-menu {
      display: flex;
      gap: 2rem;
      list-style: none;
      margin: 0;
      padding: 0;
      align-items: center;
    }

    .nav-menu li {
      position: relative;
    }

    .nav-menu li a {
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      color: #f5f5f7;
      padding: 8px 0;
      display: inline-block;
      transition: color 0.25s ease;
      letter-spacing: -0.2px;
      background: transparent;
    }

    /* Efecto de subrayado estilo Apple */
    .nav-menu li a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: linear-gradient(90deg, #0CE57C, #17DB75);
      transition: width 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
      border-radius: 2px;
    }

    .nav-menu li a:hover {
      color: #0CE57C;
    }

    .nav-menu li a:hover::after {
      width: 100%;
    }

    /* ========== HERO SECTION ESTILO APPLE ========== */
    .hero-apple {
      background: linear-gradient(135deg, #111217 0%, #1a1f2a 100%);
      padding: 80px 0;
      margin-bottom: 0;
    }

    .hero-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 32px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 60px;
    }

    .hero-content {
      flex: 1;
      min-width: 280px;
    }

    .hero-content h1 {
      font-size: 3.2rem;
      font-weight: 700;
      line-height: 1.1;
      margin-bottom: 20px;
      background: linear-gradient(135deg, #FFFFFF, #0CE57C);
      background-clip: text;
      -webkit-background-clip: text;
      color: transparent;
      letter-spacing: -0.02em;
    }

    .hero-content p {
      font-size: 1.1rem;
      color: #a1a1a6;
      margin-bottom: 32px;
      max-width: 520px;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .btn-apple-primary {
      background: #0CE57C;
      color: #111217;
      padding: 12px 28px;
      border-radius: 980px;
      font-weight: 600;
      font-size: 0.95rem;
      text-decoration: none;
      transition: all 0.25s;
      display: inline-block;
    }

    .btn-apple-primary:hover {
      background: #17DB75;
      transform: scale(1.02);
      box-shadow: 0 8px 20px rgba(12, 229, 124, 0.3);
    }

    .btn-apple-outline {
      background: transparent;
      border: 1.5px solid #0CE57C;
      color: #0CE57C;
      padding: 12px 28px;
      border-radius: 980px;
      font-weight: 600;
      font-size: 0.95rem;
      text-decoration: none;
      transition: all 0.25s;
    }

    .btn-apple-outline:hover {
      background: rgba(12, 229, 124, 0.1);
      transform: scale(1.02);
    }

    .hero-stats {
      display: flex;
      gap: 40px;
      margin-top: 48px;
      flex-wrap: wrap;
    }

    .stat-item h3 {
      font-size: 1.8rem;
      font-weight: 700;
      color: #0CE57C;
    }

    .stat-item p {
      font-size: 0.8rem;
      color: #86868b;
      margin-top: 4px;
    }

    .hero-image {
      flex: 1;
      min-width: 280px;
      text-align: center;
    }

    .hero-card {
      background: rgba(50, 54, 65, 0.5);
      backdrop-filter: blur(10px);
      border-radius: 32px;
      padding: 40px 32px;
      text-align: center;
      border: 1px solid rgba(12, 229, 124, 0.2);
    }

    .hero-card span {
      font-size: 4.5rem;
    }

    .hero-card h3 {
      color: #0CE57C;
      margin-top: 16px;
      font-size: 1.5rem;
    }

    .hero-card p {
      color: #86868b;
      margin-top: 8px;
    }

    /* ========== SECCIÓN DE CURSOS ========== */
    .section-apple {
      max-width: 1200px;
      margin: 80px auto;
      padding: 0 32px;
    }

    .section-header {
      text-align: center;
      margin-bottom: 56px;
    }

    .section-header h2 {
      font-size: 2.5rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: #1d1d1f;
      margin-bottom: 12px;
    }

    .section-header p {
      color: #86868b;
      font-size: 1.1rem;
    }

    .section-header .highlight {
      color: #0CE57C;
    }

    .courses-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 32px;
    }

    .course-card-apple {
      background: #ffffff;
      border-radius: 24px;
      overflow: hidden;
      transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
      border: 1px solid #e8e8ed;
    }

    .course-card-apple:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 32px rgba(0, 0, 0, 0.08);
      border-color: rgba(12, 229, 124, 0.3);
    }

    .course-image-apple {
      height: 180px;
      background: linear-gradient(135deg, #2C343F, #1E232C);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 3.5rem;
    }

    .course-info-apple {
      padding: 24px;
    }

    .course-category {
      display: inline-block;
      padding: 4px 12px;
      background: rgba(12, 229, 124, 0.12);
      color: #0CE57C;
      border-radius: 20px;
      font-size: 0.7rem;
      font-weight: 600;
      margin-bottom: 12px;
    }

    .course-info-apple h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #1d1d1f;
    }

    .course-info-apple p {
      color: #6e6e73;
      font-size: 0.85rem;
      line-height: 1.5;
      margin-bottom: 20px;
    }

    .course-meta-apple {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid #e8e8ed;
      padding-top: 16px;
    }

    .course-price {
      font-weight: 700;
      color: #0CE57C;
      font-size: 1.2rem;
    }

    .course-btn-apple {
      background: transparent;
      border: 1.5px solid #0CE57C;
      padding: 6px 20px;
      border-radius: 980px;
      color: #0CE57C;
      font-weight: 600;
      font-size: 0.8rem;
      text-decoration: none;
      transition: all 0.2s;
    }

    .course-btn-apple:hover {
      background: #0CE57C;
      color: #111217;
    }

    /* ========== SECCIÓN DE BENEFICIOS ========== */
    .benefits-apple {
      background: #f5f5f7;
      padding: 80px 0;
    }

    .benefits-grid {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 32px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 32px;
    }

    .benefit-card-apple {
      text-align: center;
      padding: 32px 24px;
      background: white;
      border-radius: 24px;
      transition: all 0.25s;
      border: 1px solid #e8e8ed;
    }

    .benefit-card-apple:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
      border-color: rgba(12, 229, 124, 0.3);
    }

    .benefit-icon {
      font-size: 2.5rem;
      margin-bottom: 20px;
    }

    .benefit-card-apple h3 {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 12px;
    }

    .benefit-card-apple p {
      color: #6e6e73;
      font-size: 0.85rem;
    }

    /* ========== FOOTER ESTILO APPLE ========== */
    .apple-footer {
      background-color: #111217;
      border-top: 1px solid #2c2c2e;
      padding: 48px 0 24px;
    }

    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 32px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 48px;
    }

    .footer-col {
      flex: 1;
      min-width: 180px;
    }

    .footer-col h4 {
      font-weight: 600;
      font-size: 0.85rem;
      margin-bottom: 20px;
      color: #f5f5f7;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .social-links {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-top: 8px;
    }

    .social-btn-apple {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #2c2c2e;
      padding: 8px 18px;
      border-radius: 980px;
      text-decoration: none;
      color: #f5f5f7;
      font-weight: 500;
      font-size: 0.8rem;
      transition: all 0.25s;
    }

    .social-btn-apple:hover {
      background: #0CE57C;
      color: #111217;
      transform: translateY(-2px);
    }

    .address-block {
      font-style: normal;
      line-height: 1.5;
      color: #8e8e93;
      font-size: 0.85rem;
    }

    .address-block p {
      margin-bottom: 8px;
    }

    .tel-link {
      color: #0CE57C;
      text-decoration: none;
    }

    .tel-link:hover {
      text-decoration: underline;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: #8e8e93;
      text-decoration: none;
      font-size: 0.85rem;
      transition: color 0.2s;
    }

    .footer-links a:hover {
      color: #0CE57C;
    }

    .footer-copyright {
      max-width: 1200px;
      margin: 40px auto 0;
      padding: 20px 32px 0;
      border-top: 1px solid #2c2c2e;
      text-align: center;
      font-size: 0.7rem;
      color: #6e6e73;
    }

    /* Responsive */
    @media (max-width: 900px) {
      .nav-container {
        flex-wrap: wrap;
        gap: 16px;
        padding: 12px 24px;
      }
      .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
        gap: 1.5rem;
      }
      .hero-container {
        flex-direction: column;
        text-align: center;
      }
      .hero-content h1 {
        font-size: 2.5rem;
      }
      .hero-buttons {
        justify-content: center;
      }
      .hero-stats {
        justify-content: center;
      }
      .section-header h2 {
        font-size: 2rem;
      }
      .footer-container {
        flex-direction: column;
        gap: 32px;
      }
    }

    @media (max-width: 600px) {
      .nav-container {
        padding: 12px 20px;
      }
      .nav-menu {
        gap: 1rem;
      }
      .nav-menu li a {
        font-size: 0.85rem;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .btn-apple-primary, .btn-apple-outline {
        padding: 10px 24px;
        font-size: 0.85rem;
      }
      .logo-img {
        max-height: 40px;
      }
    }
    
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      body {
        background-color: #f5f5f7;
        font-family: -apple-system, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
        color: #111217;
        line-height: 1.5;
        -webkit-font-smoothing: antialiased;
      }

      .main {
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 24px;
      }

      /* Hero */
      .hero {
        text-align: center;
        margin-bottom: 48px;
      }

      .hero h1 {
        font-size: 2.2rem;
        font-weight: 700;
        letter-spacing: -0.02em;
        background: linear-gradient(135deg, #111217 0%, #323641 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        margin-bottom: 12px;
      }

      .hero p {
        font-size: 1.1rem;
        color: #6e6e73;
      }

      @media (max-width: 768px) {
        .hero h1 { font-size: 1.5rem; }
        .hero p { font-size: 0.95rem; }
        .main { padding: 24px 16px; }
      }

      /* Grid */
      .grid-2 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
      }

      @media (max-width: 768px) {
        .grid-2 { grid-template-columns: 1fr; gap: 20px; }
      }

      /* Cards estilo Apple */
      .card {
        background-color: #ffffff;
        border-radius: 24px;
        padding: 28px;
        box-shadow: 0 8px 28px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
        transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        border: 1px solid rgba(0, 0, 0, 0.03);
      }

      .card:hover {
        transform: translateY(-3px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
      }

      .card-full {
        grid-column: 1 / -1;
      }

      /* Imagen */
      .product-image {
        text-align: center;
        margin-bottom: 20px;
      }

      .product-image img {
        max-width: 100%;
        height: auto;
        border-radius: 20px;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
      }

      .product-image img:hover {
        transform: scale(1.02);
      }

      .image-caption {
        font-size: 0.8rem;
        color: #86868b;
        margin-top: 12px;
      }

      /* Títulos */
      h2 {
        font-size: 1.5rem;
        font-weight: 600;
        color: #111217;
        margin-bottom: 20px;
        letter-spacing: -0.01em;
      }

      h3 {
        font-size: 1.2rem;
        font-weight: 600;
        color: #111217;
        margin: 20px 0 12px;
      }

      /* Botones */
      .btn {
        display: inline-block;
        background-color: #17DB75;
        color: #ffffff;
        padding: 12px 28px;
        border-radius: 980px;
        font-weight: 600;
        font-size: 0.9rem;
        text-decoration: none;
        transition: all 0.25s ease;
        margin: 8px 8px 8px 0;
      }

      .btn:hover {
        background-color: #0CE57C;
        transform: scale(0.98);
        text-decoration: none;
        color: #ffffff;
      }

      .btn-outline {
        background-color: transparent;
        color: #17DB75;
        border: 1.5px solid #17DB75;
      }

      .btn-outline:hover {
        background-color: #17DB75;
        color: #ffffff;
      }

      /* Lista de características */
      .features-list {
        list-style: none;
        padding: 0;
        margin: 16px 0;
      }

      .features-list li {
        padding: 10px 0;
        padding-left: 32px;
        position: relative;
        font-size: 1rem;
        color: #111217;
        border-bottom: 1px solid #e5e5e7;
      }

      .features-list li:last-child {
        border-bottom: none;
      }

      .features-list li::before {
        content: "✓";
        color: #0CE57C;
        position: absolute;
        left: 0;
        font-weight: 700;
        font-size: 1.1rem;
      }

      /* Badges */
      .badge {
        display: inline-block;
        background-color: #323641;
        color: #ffffff;
        padding: 6px 14px;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 600;
        margin-right: 8px;
        margin-bottom: 8px;
      }

      .badge-green {
        background-color: #17DB75;
        color: #050609;
      }

      /* Enlaces */
      a {
        color: #17DB75;
        text-decoration: none;
        transition: color 0.2s ease;
      }

      a:hover {
        color: #0CE57C;
        text-decoration: underline;
      }

      .card a:not(.btn) {
        color: #17DB75;
        font-weight: 500;
      }

      /* Video grid */
      .video-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-top: 20px;
      }

      .video-card {
        text-align: center;
        background-color: #f5f5f7;
        border-radius: 16px;
        padding: 20px;
        transition: all 0.3s ease;
      }

      .video-card:hover {
        transform: translateY(-3px);
        background-color: #eeeeef;
      }

      .video-card img {
        max-width: 100%;
        border-radius: 12px;
        margin-bottom: 12px;
      }

      .video-card a {
        font-weight: 600;
        font-size: 0.85rem;
        display: inline-block;
      }

      @media (max-width: 768px) {
        .video-grid { grid-template-columns: 1fr; gap: 16px; }
      }

      /* Separador */
      .divider {
        height: 1px;
        background: linear-gradient(90deg, transparent, #e5e5e7, transparent);
        margin: 24px 0;
      }

      .text-center {
        text-align: center;
      }

      /* Dimensiones */
      .dimensions {
        background-color: #f5f5f7;
        border-radius: 16px;
        padding: 20px;
        text-align: center;
        margin-top: 20px;
      }

      .dimensions p {
        font-size: 1rem;
        color: #111217;
      }