/* ===== VARIABLES Y RESET ===== */
    :root {
      --primary: #0a2472;       /* Azul profundo */
      --secondary: #f29807;     /* Dorado */
      --accent: #f85c37;        /* Naranja para acentos */
      --light: #f8f9fa;
      --dark: #212529;
      --gray: #6c757d;
      --white: #ffffff;
      --transition: all 0.3s ease;
    }

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

    body {
      font-family: 'Poppins', sans-serif;
      font-size: 16px;
      line-height: 1.6;
      color: #1c1b1b;
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
     font-family: 'Poppins', sans-serif;
      font-weight: 700;
      margin-top: 0;
    }

    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.8rem; }
    h3 { font-size: 2rem; }
    h4 { font-size: 1.5rem; }

    p {
      margin-bottom: 1.5rem;
      color: var(--gray);
    }

    a {
      text-decoration: none;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
    }

    section {
      padding: 100px 0;
      position: relative;
    }

    /* ===== UTILIDADES ===== */
    .container {
      max-width: 1200px;
    }

    .mu-heading-area {
      text-align: center;
      margin-bottom: 70px;
    }

    .mu-heading-title {
      color: var(--primary);
      margin-bottom: 15px;
      position: relative;
      display: inline-block;
    }

    .mu-header-dot {
      width: 80px;
      height: 4px;
      background: var(--secondary);
      display: block;
      margin: 20px auto 0;
      border-radius: 2px;
    }

    .mu-primary-btn {
      background: var(--secondary);
      color: var(--primary);
      border: 2px solid var(--secondary);
      padding: 12px 35px;
      border-radius: 50px;
      font-weight: 600;
      letter-spacing: 1px;
      transition: var(--transition);
      display: inline-block;
    }

    .mu-primary-btn:hover {
      background: transparent;
      color: var(--secondary);
    }

    /* ===== HEADER MODERNO ===== */
    #mu-header {
      position: relative;
      width: 100%;
      top: 0;
      left: 0;
      z-index: 1200;
      padding: 20px 0;
      transition: var(--transition);
      background: rgba(10, 36, 114, 0.95);
      backdrop-filter: blur(10px);
      box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }

    .navbar-brand img {
      height: 60px;
      width: auto;
    }

    .navbar-nav .nav-link {
      color: var(--white) !important;
      font-weight: 500;
      margin: 0 15px;
      padding: 5px 0;
      position: relative;
    }

    .navbar-nav .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--secondary);
      transition: var(--transition);
    }

    .navbar-nav .nav-link:hover::after,
    .navbar-nav .nav-link.active::after {
      width: 100%;
    }

    .navbar-toggler {
      border: none;
      color: var(--white);
      font-size: 1.5rem;
    }

    /* ===== HERO SECTION ===== */
    #mu-hero {
      background: linear-gradient(135deg, var(--primary) 0%, #1a3b8a 100%);
      padding: 180px 0 100px;
      margin-top: 0;
    }

    .mu-hero-left h1 {
      color: var(--white);
      margin-bottom: 20px;
    }

    .mu-hero-left p {
      color: rgba(255,255,255,0.8);
      font-size: 1.2rem;
    }

    .mu-hero-left span {
      color: rgba(255,255,255,0.6);
      display: block;
      margin-top: 20px;
    }

    .mu-hero-right img {
      animation: float 3s ease-in-out infinite;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-20px); }
    }

    /* ===== COUNTER ===== */
    #mu-counter {
      background: var(--white);
      padding: 60px 0;
    }

    .mu-single-counter {
      text-align: center;
      padding: 30px 20px;
      background: var(--light);
      border-radius: 15px;
      box-shadow: 0 5px 20px rgba(0,0,0,0.05);
      transition: var(--transition);
      margin: 15px 0;
    }

    .mu-single-counter:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    }

    .mu-single-counter i {
      font-size: 2.5rem;
      color: var(--secondary);
      margin-bottom: 15px;
    }

    .counter-value {
      font-size: 2.8rem;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.2;
    }

    .mu-counter-name {
      color: var(--gray);
      font-size: 1rem;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    /* ===== NOSOTROS ===== */
    #nosotros {
      background: var(--light);
    }

    #nosotros h2 {
      color: var(--primary);
      font-size: 3rem;
    }

    #nosotros .text-secondary {
      color: var(--secondary) !important;
      font-family: 'Inter', sans-serif;
      font-weight: 400;
      margin-bottom: 2rem;
    }

    #nosotros p {
      text-align: justify;
      margin-bottom: 1.5rem;
    }

    #nosotros img {
      border-radius: 20px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.1);
      transition: var(--transition);
    }

    #nosotros img:hover {
      transform: scale(1.02);
    }

    #nosotros .btn-primary {
      background: var(--primary);
      border: none;
      padding: 15px 40px;
      border-radius: 50px;
      font-weight: 600;
      letter-spacing: 1px;
    }

    #nosotros .btn-primary:hover {
      background: var(--secondary);
      color: var(--primary);
    }

    /* ===== BASE FUNDAMENTAL (BOOK OVERVIEW) ===== */
    #mu-book-overview {
      background: var(--white);
    }

    .mu-book-overview-content {
      margin-top: 50px;
    }

    .mu-book-overview-single {
      background: var(--light);
      padding: 40px 25px;
      border-radius: 20px;
      text-align: center;
      margin: 15px 0;
      transition: var(--transition);
      height: 100%;
      box-shadow: 0 5px 20px rgba(0,0,0,0.03);
      border-bottom: 4px solid transparent;
    }

    .mu-book-overview-single:hover {
      transform: translateY(-10px);
      border-bottom-color: var(--secondary);
      box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    }

    .mu-book-overview-icon-box {
      width: 80px;
      height: 80px;
      background: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 25px;
      color: var(--white);
      font-size: 2rem;
      transition: var(--transition);
    }

    .mu-book-overview-single:hover .mu-book-overview-icon-box {
      background: var(--secondary);
      color: var(--primary);
      transform: rotate(360deg);
    }

    .mu-book-overview-single h4 {
      margin-bottom: 15px;
      color: var(--primary);
    }

    .mu-book-overview-single p {
      margin-bottom: 0;
    }

    /* ===== VIDEO REVIEW ===== */
    #mu-video-review {
      background: linear-gradient(135deg, var(--primary), #000814);
      padding: 80px 0;
    }

    #mu-video-review .mu-heading-title,
    #mu-video-review p {
      color: var(--white);
    }

    #mu-video-review .mu-header-dot {
      background: var(--secondary);
    }

    .mu-video-review-content {
      max-width: 900px;
      margin: 0 auto;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    }

    .mu-video-iframe {
      width: 100%;
      height: 500px;
      display: block;
    }

    /* ===== AUTHOR ===== */
    #mu-author {
      background: var(--light);
    }

    .mu-author-image {
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    }

    .mu-author-info h3 {
      color: var(--primary);
      margin-bottom: 20px;
    }

    .mu-author-social {
      margin-top: 30px;
    }

    .mu-author-social a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 45px;
      height: 45px;
      background: var(--primary);
      color: var(--white);
      border-radius: 50%;
      margin-right: 10px;
      font-size: 1.2rem;
      transition: var(--transition);
    }

    .mu-author-social a:hover {
      background: var(--secondary);
      color: var(--primary);
      transform: translateY(-5px);
    }

    .mu-author-sign {
      max-width: 200px;
      margin-top: 20px;
    }

    /* ===== PRICING ===== */
    #mu-pricing {
      background: var(--white);
    }

    .mu-pricing-single {
      background: var(--light);
      border-radius: 20px;
      padding: 40px 20px;
      text-align: center;
      transition: var(--transition);
      margin: 15px 0;
      box-shadow: 0 5px 20px rgba(0,0,0,0.05);
      position: relative;
    }

    .mu-pricing-single:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    }

    .mu-pricing-single.mu-popular-price-tag {
      border: 2px solid var(--secondary);
    }

    .mu-pricing-single-head h4 {
      color: var(--primary);
      font-size: 1.5rem;
    }

    .mu-price-tag {
      font-size: 3.5rem;
      font-weight: 700;
      color: var(--secondary);
      margin: 20px 0;
    }

    .mu-price-tag span {
      font-size: 1.5rem;
      vertical-align: super;
    }

    .mu-price-feature {
      list-style: none;
      margin: 30px 0;
    }

    .mu-price-feature li {
      padding: 8px 0;
      color: var(--gray);
    }

    .mu-order-btn {
      background: var(--primary);
      color: var(--white);
      padding: 12px 30px;
      border-radius: 50px;
      display: inline-block;
      font-weight: 600;
      letter-spacing: 1px;
    }

    .mu-order-btn:hover {
      background: var(--secondary);
      color: var(--primary);
    }

    /* ===== TESTIMONIALS ===== */
    #mu-testimonials {
      background: linear-gradient(135deg, var(--primary), #1e3a5f);
    }

    .mu-testimonials-block {
      max-width: 800px;
      margin: 0 auto;
    }

    .mu-testimonial-slide {
      text-align: center;
    }

    .mu-testimonial-slide p {
      font-size: 1.2rem;
      font-style: italic;
      color: var(--white);
      margin: 30px 0;
    }

    .mu-rt-img {
      width: 100px;
      height: 100px;
      border-radius: 50%;
      margin: 20px auto;
      border: 4px solid var(--secondary);
    }

    .mu-rt-name {
      color: var(--secondary);
      margin-bottom: 5px;
    }

    .mu-rt-title {
      color: rgba(255,255,255,0.7);
    }

    .slick-dots li button:before {
      color: var(--white);
    }

    /* ===== CONTACT ===== */
    #mu-contact {
      background: var(--light);
    }

    .mu-contact-form {
      max-width: 700px;
      margin: 0 auto;
    }

    .mu-contact-form .form-control {
      background: var(--white);
      border: 2px solid #e9ecef;
      border-radius: 15px;
      padding: 15px 20px;
      margin-bottom: 20px;
      transition: var(--transition);
    }

    .mu-contact-form .form-control:focus {
      border-color: var(--secondary);
      box-shadow: none;
    }

    .mu-send-msg-btn {
      background: var(--primary);
      color: var(--white);
      border: none;
      padding: 15px 40px;
      border-radius: 50px;
      font-weight: 600;
      letter-spacing: 1px;
      width: auto;
      min-width: 200px;
    }

    .mu-send-msg-btn:hover {
      background: var(--secondary);
      color: var(--primary);
    }

    /* ===== FOOTER ===== */
    #mu-footer {
      background: var(--primary);
      padding: 60px 0 30px;
    }

    .mu-social-media {
      margin-bottom: 20px;
    }

    .mu-social-media a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 45px;
      height: 45px;
      background: rgba(255,255,255,0.1);
      color: var(--white);
      border-radius: 50%;
      margin: 0 8px;
      font-size: 1.2rem;
      transition: var(--transition);
    }

    .mu-social-media a:hover {
      background: var(--secondary);
      color: var(--primary);
      transform: translateY(-5px);
    }

    .mu-copyright {
      color: var(--gray);
      margin-top: 30px;
    }

    .mu-copyright a {
      color: var(--secondary);
    }

    .mu-copyright a:hover {
      text-decoration: underline;
    }

    /* ===== GOOGLE MAP ===== */
    #mu-google-map {
      height: 450px;
    }

    #mu-google-map iframe {
      width: 100%;
      height: 100%;
      pointer-events: none;
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 991px) {
      h1 { font-size: 2.8rem; }
      h2 { font-size: 2.2rem; }
      section { padding: 70px 0; }
      #mu-hero { padding: 150px 0 70px; }
      .mu-hero-right { margin-top: 50px; }
      .navbar-collapse { background: var(--primary); padding: 20px; }
    }

    @media (max-width: 768px) {
      h1 { font-size: 2.2rem; }
      h2 { font-size: 1.8rem; }
      section { padding: 50px 0; }
      #mu-hero { padding: 120px 0 50px; }
      .mu-video-iframe { height: 300px; }
      .mu-single-counter { margin: 10px 0; }
    }

    @media (max-width: 576px) {
      .mu-heading-area { margin-bottom: 40px; }
      .mu-primary-btn { padding: 10px 25px; }
      .mu-video-iframe { height: 250px; }
    }

   /* ===== iniciar sesion logo ===== */     

.btn-login-neon {
    background: var(--primary);
    color: white;
    padding: 10px 22px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid var(--secondary);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
    position: relative;
}

.btn-login-neon i {
    color: var(--secondary);
    transition: all 0.3s ease;
}

.btn-login-neon:hover {
    background: var(--secondary);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
    border-color: var(--primary);
}

.btn-login-neon:hover i {
    color: var(--primary);
    transform: scale(1.2);
}
/* Estilos para botones de descarga PDF */
.btn-download-pdf {
    display: inline-block;
    background: #dc3545; /* Color rojo de PDF */
    color: white;
    padding: 8px 15px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 15px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-download-pdf i {
    margin-right: 5px;
    font-size: 1rem;
}

.btn-download-pdf:hover {
    background: #bb2d3b;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(220, 53, 69, 0.3);
}

/* Efecto hover para las tarjetas que tienen botón */
.mu-book-overview-single:hover .btn-download-pdf {
    background: #bb2d3b;
}

/* Responsive */
@media (max-width: 768px) {
    .btn-download-pdf {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}