:root {
    --primary-color: #e74c3c;
    --secondary-color: #c0392b;
    --accent-color: #f39c12;
    --success-color: #27ae60;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    --gradient-3: linear-gradient(45deg, #f39c12, #e67e22);
    --gradient-4: linear-gradient(45deg, #27ae60, #2ecc71);
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-medium: 0 20px 40px rgba(0,0,0,0.15);
    --shadow-strong: 0 30px 60px rgba(0,0,0,0.2);
    --shadow-glow: 0 0 30px rgba(231, 76, 60, 0.3);
  }

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

  /* Skip link for accessibility */
  .skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
    transition: top 0.3s;
  }

  .skip-link:focus {
    top: 6px;
  }

  /* Focus styles for better accessibility */
  *:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
  }

  /* Screen reader only content */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* Lazy loading styles */
  .service-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.3s ease;
    opacity: 0.7;
  }

  .service-image.loaded {
    opacity: 1;
  }

  /* Keyboard navigation styles */
  .keyboard-navigation *:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
  }

  /* Performance optimizations */
  .service-image,
  .pricing-card,
  .testimonial {
    will-change: transform;
  }

  /* Reduced motion support */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
  
  body {
    font-family: 'Poppins', sans-serif;
    background: var(--gradient-1);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* Partículas de fondo */
  .particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
  }

  .particle {
    position: absolute;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
  }

  /* Header comercial impactante */
  header {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 50%, #8e44ad 100%);
    color: var(--white);
    padding: 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.2"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="150" fill="url(%23a)"/><circle cx="800" cy="300" r="200" fill="url(%23a)"/><circle cx="400" cy="700" r="180" fill="url(%23a)"/><circle cx="600" cy="100" r="120" fill="url(%23a)"/></svg>');
    animation: backgroundPulse 8s ease-in-out infinite;
  }

  @keyframes backgroundPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
  }

  .header-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
  }

  .header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.8), rgba(192, 57, 43, 0.9));
    z-index: 2;
  }

  header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    animation: backgroundMove 20s ease-in-out infinite;
  }

  @keyframes backgroundMove {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(-20px) translateY(-10px); }
    50% { transform: translateX(20px) translateY(10px); }
    75% { transform: translateX(-10px) translateY(20px); }
  }

  .header-content {
    position: relative;
    z-index: 2;
    animation: slideInUp 1s ease-out;
  }

  @keyframes slideInUp {
    from {
      opacity: 0;
      transform: translateY(50px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  header h1 {
    font-size: 4em;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, #fff, #e8f4f8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
  }

  @keyframes glow {
    from { text-shadow: 0 0 20px rgba(255,255,255,0.5); }
    to { text-shadow: 0 0 30px rgba(255,255,255,0.8); }
  }

  header p {
    font-size: 1.4em;
    margin: 10px 0;
    opacity: 0.9;
    animation: fadeIn 1s ease-out 0.5s both;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 0.9; }
  }

  .scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    font-size: 2em;
    color: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .scroll-indicator:hover {
    transform: translateX(-50%) scale(1.2);
  }

  @keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
  }

  .container {
    padding: 80px 20px;
    max-width: 1400px;
    margin: auto;
    position: relative;
    z-index: 2;
  }

  /* Sección de estadísticas */
  .stats-section {
    background: var(--white);
    border-radius: 30px;
    padding: 60px 40px;
    margin: -50px auto 80px;
    box-shadow: var(--shadow-strong);
    position: relative;
    z-index: 3;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
  }

  .stat-item {
    padding: 20px;
    border-radius: 20px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    transition: all 0.3s ease;
  }

  .stat-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
  }

  .stat-number {
    font-size: 3em;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
    margin-bottom: 10px;
  }

  .stat-label {
    font-size: 1.1em;
    color: var(--text-light);
    font-weight: 500;
  }

  /* Sección hero mejorada */
  .hero-section {
    background: var(--white);
    border-radius: 30px;
    padding: 60px 40px;
    margin-bottom: 80px;
    box-shadow: var(--shadow-strong);
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-3);
  }

  .hero-section h2 {
    color: var(--primary-color);
    font-size: 3em;
    margin-bottom: 30px;
    font-weight: 700;
    position: relative;
  }

  .hero-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-3);
    border-radius: 2px;
  }

  .intro-text {
    font-size: 1.4em;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
  }

  .benefits-list {
    max-width: 1000px;
    margin: auto;
    font-size: 1.2em;
    text-align: left;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
  }

  .benefits-list li {
    padding: 25px 30px;
    border-radius: 20px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-left: 5px solid var(--primary-color);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
  }

  .benefits-list li::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
  }

  .benefits-list li:hover::before {
    left: 100%;
  }

  .benefits-list li:hover {
    background: linear-gradient(135deg, #e8f4f8, #d1ecf1);
    transform: translateX(15px) scale(1.02);
    box-shadow: var(--shadow-medium);
    border-left-color: var(--secondary-color);
  }

  .benefits-list li strong {
    color: var(--primary-color);
    font-size: 1.1em;
    font-weight: 600;
  }

  /* Servicios mejorados */
  .services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin: 80px 0;
  }

  .service {
    background: var(--white);
    border-radius: 25px;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
  }

  .service::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
  }

  .service:hover::before {
    opacity: 0.05;
  }

  .service:hover {
    transform: translateY(-20px) scale(1.03);
    box-shadow: var(--shadow-strong);
  }

  .service-image {
    height: 300px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
  }

  .service-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0,95,115,0.1), rgba(10,147,150,0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .service:hover .service-image::after {
    opacity: 1;
  }

  .service-content {
    padding: 40px 30px;
    position: relative;
    z-index: 2;
  }

  .service h3 {
    color: var(--primary-color);
    font-size: 1.8em;
    margin-bottom: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
  }

  .service h3 i {
    font-size: 1.2em;
  }

  .service p {
    color: var(--text-light);
    font-size: 1.1em;
    line-height: 1.8;
  }

  /* Testimonios */
  .testimonials {
    background: var(--white);
    border-radius: 30px;
    padding: 60px 40px;
    margin: 80px 0;
    box-shadow: var(--shadow-strong);
  }

  .testimonials h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5em;
    margin-bottom: 50px;
    font-weight: 700;
  }

  .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
  }

  .testimonial {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
  }

  .testimonial:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
  }

  .testimonial-text {
    font-style: italic;
    font-size: 1.1em;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.6;
  }

  .testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
  }

  /* CTA mejorado */
  .cta {
    text-align: center;
    margin: 80px 0;
    position: relative;
  }

  .cta-content {
    background: var(--white);
    border-radius: 30px;
    padding: 60px 40px;
    box-shadow: var(--shadow-strong);
    position: relative;
    overflow: hidden;
  }

  .cta-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-3);
  }

  .cta h2 {
    color: var(--primary-color);
    font-size: 2.5em;
    margin-bottom: 20px;
    font-weight: 700;
  }

  .cta p {
    font-size: 1.3em;
    color: var(--text-light);
    margin-bottom: 40px;
  }

  .cta a {
    background: var(--gradient-3);
    color: var(--white);
    padding: 25px 50px;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.4em;
    font-weight: 700;
    display: inline-block;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
  }

  .cta a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
  }

  .cta a:hover::before {
    left: 100%;
  }

  .cta a:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 40px rgba(37, 211, 102, 0.4);
  }

  /* Footer mejorado */
  footer {
    background: var(--gradient-2);
    color: var(--white);
    text-align: center;
    padding: 60px 30px 40px;
    margin-top: 80px;
    position: relative;
  }

  footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-3);
  }

  footer h3 {
    font-size: 2em;
    margin-bottom: 20px;
    font-weight: 700;
  }

  footer p {
    margin: 15px 0;
    font-size: 1.2em;
  }

  .contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }

  .contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 1.2em;
    padding: 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
  }

  .contact-item:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-5px);
  }

  .contact-item i {
    font-size: 2em;
    color: var(--accent-color);
    min-width: 30px;
    text-align: center;
  }

  /* Sección de precios comercial */
  .pricing-section {
    background: var(--white);
    border-radius: 30px;
    padding: 80px 40px;
    margin: 80px 0;
    box-shadow: var(--shadow-strong);
    position: relative;
    overflow: hidden;
  }

  .pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-3);
  }

  .pricing-section h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 3em;
    margin-bottom: 20px;
    font-weight: 800;
  }

  .pricing-subtitle {
    text-align: center;
    font-size: 1.3em;
    color: var(--text-light);
    margin-bottom: 60px;
  }

  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .pricing-card {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 25px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 3px solid transparent;
  }

  .pricing-card.featured {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: var(--white);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
  }

  .pricing-card.featured::before {
    content: 'MÁS POPULAR';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 700;
  }

  .pricing-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-strong);
    border-color: var(--primary-color);
  }

  .pricing-card.featured:hover {
    transform: translateY(-15px) scale(1.08);
  }

  .price {
    font-size: 4em;
    font-weight: 800;
    color: var(--primary-color);
    margin: 20px 0;
  }

  .pricing-card.featured .price {
    color: var(--white);
  }

  .price-period {
    font-size: 0.3em;
    color: var(--text-light);
  }

  .pricing-features {
    list-style: none;
    margin: 30px 0;
    text-align: left;
  }

  .pricing-features li {
    padding: 10px 0;
    font-size: 1.1em;
    position: relative;
    padding-left: 30px;
  }

  .pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.2em;
  }

  .pricing-card.featured .pricing-features li::before {
    color: var(--accent-color);
  }

  .pricing-button {
    background: var(--gradient-3);
    color: var(--white);
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.2em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 20px;
  }

  .pricing-card.featured .pricing-button {
    background: var(--accent-color);
  }

  .pricing-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(243, 156, 18, 0.4);
  }

  /* Sección de urgencia */
  .urgency-section {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: var(--white);
    padding: 60px 40px;
    text-align: center;
    margin: 80px 0;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
  }

  .urgency-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    animation: backgroundMove 15s ease-in-out infinite;
  }

  .urgency-content {
    position: relative;
    z-index: 2;
  }

  .urgency-section h2 {
    font-size: 3em;
    margin-bottom: 20px;
    font-weight: 800;
  }

  .urgency-section p {
    font-size: 1.4em;
    margin-bottom: 30px;
    opacity: 0.9;
  }

  .countdown {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
    flex-wrap: wrap;
  }

  .countdown-item {
    background: rgba(255,255,255,0.2);
    padding: 20px;
    border-radius: 15px;
    min-width: 100px;
  }

  .countdown-number {
    font-size: 3em;
    font-weight: 800;
    display: block;
    margin-bottom: 5px;
  }

  .countdown-label {
    font-size: 1.1em;
    opacity: 0.9;
  }

  /* Botones flotantes */
  .floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
  }

  .floating-btn {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: none;
    color: var(--white);
    font-size: 1.8em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
    animation: pulse 2s infinite;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .floating-btn.whatsapp {
    background: var(--gradient-4);
  }

  .floating-btn.phone {
    background: var(--gradient-2);
  }

  .floating-btn:hover {
    transform: scale(1.1);
  }

  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(39, 174, 96, 0); }
    100% { box-shadow: 0 0 0 0 rgba(39, 174, 96, 0); }
  }

  /* Garantías y certificaciones */
  .guarantees-section {
    background: var(--white);
    border-radius: 30px;
    padding: 60px 40px;
    margin: 80px 0;
    box-shadow: var(--shadow-strong);
    text-align: center;
  }

  .guarantees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
  }

  .guarantee-item {
    padding: 30px;
    border-radius: 20px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    transition: all 0.3s ease;
  }

  .guarantee-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
  }

  .guarantee-icon {
    font-size: 4em;
    color: var(--success-color);
    margin-bottom: 20px;
    display: block;
    text-align: center;
  }

  .guarantee-title {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
  }

  .guarantee-text {
    color: var(--text-light);
    line-height: 1.6;
  }

  /* Responsive */
  @media (max-width: 768px) {
    header h1 {
      font-size: 2.5em;
    }
    
    .hero-section h2 {
      font-size: 2em;
    }

    .benefits-list {
      grid-template-columns: 1fr;
    }

    .services {
      grid-template-columns: 1fr;
    }

    .contact-info {
      grid-template-columns: 1fr;
    }

    .container {
      padding: 40px 15px;
    }

    .stats-section {
      margin: -30px auto 60px;
      padding: 40px 20px;
    }

    .pricing-grid {
      grid-template-columns: 1fr;
    }

    .countdown {
      gap: 15px;
    }

    .countdown-item {
      min-width: 80px;
      padding: 15px;
    }

    .countdown-number {
      font-size: 2em;
    }

    .floating-buttons {
      bottom: 20px;
      right: 20px;
    }

    .floating-btn {
      width: 60px;
      height: 60px;
      font-size: 1.5em;
    }
  }

  /* Animaciones de entrada */
  .fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
  }

  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Efectos de scroll */
  .scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  /* Screen reader only text */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }