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

    :root {
      --color-bg: #F8FBFF;
      --color-bg-light: #FFFFFF;
      --color-bg-accent: #EEF6FC;
      --color-primary: #3B82F6;
      --color-primary-dark: #2563EB;
      --color-primary-light: #93C5FD;
      --color-secondary: #F5D76E;
      --color-secondary-dark: #E5C35C;
      --color-text: #1E3A5F;
      --color-text-light: #4A6B8A;
      --color-text-muted: #6B8AAA;
      --color-white: #FFFFFF;
      --color-border: #D4E5F7;
      --color-success: #10B981;
      --color-urgent: #EF4444;
      --shadow-sm: 0 2px 8px rgba(59, 130, 246, 0.08);
      --shadow-md: 0 4px 20px rgba(59, 130, 246, 0.12);
      --shadow-lg: 0 8px 40px rgba(59, 130, 246, 0.16);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
      background-color: var(--color-bg);
      color: var(--color-text);
      line-height: 1.7;
      overflow-x: hidden;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .container {
      width: 100%;
      max-width: 720px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Header */
    .header {
      background: linear-gradient(135deg, var(--color-white) 0%, var(--color-bg-accent) 100%);
      padding: 16px 0;
      border-bottom: 1px solid var(--color-border);
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(10px);
      background: rgba(255, 255, 255, 0.95);
    }

    .header-content {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
    }

    .logo-img {
      height: 80px;
      width: auto;
      border-radius: var(--radius-sm);
    }

    /* Hero Section */
    .hero {
      background: linear-gradient(180deg, var(--color-bg-accent) 0%, var(--color-bg) 100%);
      padding: 10px 0 60px;
      text-align: center;
    }

    .price-banner {
      display: inline-flex;
      top: 0;
      gap: 8px;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
      color: var(--color-text);
      padding: 10px 0px;
      width: 100%;
      font-size: 12px;
      font-weight: 600;
      box-shadow: var(--shadow-md);
      animation: pulse-glow 2s infinite;
    }

    @keyframes pulse-glow {
      0%, 100% { box-shadow: 0 4px 20px rgba(245, 215, 110, 0.4); }
      50% { box-shadow: 0 4px 30px rgba(245, 215, 110, 0.6); }
    }

    .hero-title {
      font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      font-size: 28px;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--color-text-light);
      margin-bottom: 32px;
      max-width: 500px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-subtitle strong {
      color: var(--color-primary);
      font-weight: 600;
    }

    /* Video Container */
    .video-container {
      background: var(--color-white);
      border-radius: var(--radius-lg);
      padding: 8px;
      box-shadow: var(--shadow-lg);
      margin-bottom: 32px;
      max-width: 560px;
      margin-left: auto;
      margin-right: auto;
    }

    .video-wrapper {
      position: relative;
      width: 100%;
      padding-bottom: 56.25%;
      background: linear-gradient(135deg, #1E3A5F 0%, #2D5A87 100%);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

    .video-placeholder {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: var(--color-white);
    }

    .play-button {
      width: 80px;
      height: 80px;
      background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
      border: none;
    }

    .play-button:hover {
      transform: scale(1.1);
      box-shadow: 0 12px 40px rgba(59, 130, 246, 0.5);
    }

    .play-button svg {
      width: 32px;
      height: 32px;
      fill: var(--color-white);
      margin-left: 4px;
    }

    .video-text {
      margin-top: 16px;
      font-size: 14px;
      opacity: 0.8;
    }

    .books-img{
        width: 90%;
        z-index: 150;
        object-fit: cover;
    }

    /* CTA Button */
    .cta-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
      color: var(--color-white);
      padding: 18px 30px;
      border-radius: var(--radius-full);
      font-size: 16px;
      font-weight: 700;
      text-decoration: none;
      box-shadow: 0 8px 30px rgba(59, 130, 246, 0.35);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
      border: none;
      width: 100%;
      max-width: 450px;
      transition: .3s ease-in-out;
    }

    .cta-button:hover {
      transform: translateY(-3px);
      transition: .3s ease-in-out;
      box-shadow: 0 12px 40px rgba(59, 130, 246, 0.45);
    }

    .cta-button:active {
      transform: translateY(-1px);
    }

    .cta-button .price {
      background: rgba(255, 255, 255, 0.2);
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 14px;
    }

    .cta-badges {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      margin-top: 16px;
      flex-wrap: wrap;
    }

    .badge {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .badge svg {
      width: 16px;
      height: 16px;
    }

    /* Timer */
    .timer-section {
      background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
      padding: 20px;
      border-radius: var(--radius-md);
      margin: 32px 0;
      text-align: center;
      border: 2px solid var(--color-secondary);
    }

    .timer-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--color-text);
      margin-bottom: 12px;
    }

    .timer-display {
      display: flex;
      justify-content: center;
      gap: 8px;
    }

    .timer-unit {
      background: var(--color-white);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      min-width: 60px;
      box-shadow: var(--shadow-sm);
    }

    .timer-value {
      font-size: 28px;
      font-weight: 700;
      color: var(--color-primary-dark);
      display: block;
      line-height: 1;
    }

    .timer-label-small {
      font-size: 11px;
      color: var(--color-text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-top: 4px;
      display: block;
    }

    .principal-img{
        width: 90%;
        border-radius: 20px;
        margin-bottom: 20px;
    }

    .timer-after {
      margin-top: 12px;
      font-size: 14px;
      color: var(--color-text-light);
    }

    .timer-after strong {
      color: var(--color-urgent);
    }

    /* Pain Section */
    .pain-section {
      padding: 60px 0 40px;
    }

    .section-title {
      font-family: 'Playfair Display', serif;
      font-size: 26px;
      font-weight: 600;
      color: var(--color-text);
      text-align: center;
      margin-bottom: 16px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--color-text-light);
      text-align: center;
      max-width: 500px;
      margin: 0 auto 40px;
    }

    .pain-intro {
      font-size: 17px;
      color: var(--color-text-light);
      text-align: center;
      max-width: 550px;
      margin: 0 auto 32px;
      line-height: 1.8;
    }

    .pain-quote {
      background: linear-gradient(135deg, var(--color-bg-accent) 0%, var(--color-white) 100%);
      padding: 24px;
      border-radius: var(--radius-md);
      border-left: 4px solid var(--color-primary-light);
      margin-bottom: 32px;
      font-style: italic;
      color: var(--color-text-light);
      font-size: 16px;
      line-height: 1.8;
    }

    .pain-list {
      list-style: none;
      margin-bottom: 32px;
    }

    .pain-item {
      display: flex;
      gap: 16px;
      padding: 20px;
      background: var(--color-white);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .pain-item:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-md);
    }

    .pain-icon {
      flex-shrink: 0;
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }

    .pain-text {
      font-size: 15px;
      color: var(--color-text-light);
      line-height: 1.7;
    }

    .pain-highlight {
      background: linear-gradient(135deg, var(--color-primary-light) 0%, #BFDBFE 100%);
      color: var(--color-text);
      padding: 18px;
      border-radius: var(--radius-md);
      text-align: center;
      font-size: 15px;
      font-weight: 500;
    }

    /* Solution Section */
    .solution-section {
      background: linear-gradient(180deg, var(--color-bg-accent) 0%, var(--color-bg) 100%);
      padding: 60px 0;
    }

    .solution-quote {
      background: var(--color-white);
      padding: 28px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      margin-bottom: 32px;
      position: relative;
    }

    .solution-quote::before {
      content: '"';
      position: absolute;
      top: -10px;
      left: 20px;
      font-size: 80px;
      font-family: 'Playfair Display', serif;
      color: var(--color-primary-light);
      opacity: 0.3;
      line-height: 1;
    }

    .solution-quote p {
      font-style: italic;
      font-size: 16px;
      color: var(--color-text-light);
      line-height: 1.8;
      position: relative;
      z-index: 1;
    }

    .solution-intro {
      font-size: 17px;
      color: var(--color-text-light);
      margin-bottom: 24px;
      line-height: 1.8;
    }

    /* Features */
    .features-grid {
      display: grid;
      gap: 16px;
      margin-top: 32px;
    }

    .feature-card {
      background: var(--color-white);
      padding: 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--color-border);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .feature-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
      color: var(--color-white);
      border-radius: 50%;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .feature-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--color-text);
      margin-bottom: 8px;
    }

    .feature-desc {
      font-size: 14px;
      color: var(--color-text-light);
      line-height: 1.7;
    }

    /* Transformation Section */
    .transform-section {
      padding: 60px 0;
    }

    .transform-intro {
      font-size: 17px;
      color: var(--color-text-light);
      text-align: center;
      margin-bottom: 24px;
      line-height: 1.8;
    }

    .transform-list {
      list-style: none;
    }

    .transform-item {
      display: flex;
      gap: 16px;
      padding: 20px;
      background: linear-gradient(135deg, var(--color-bg-accent) 0%, var(--color-white) 100%);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      border: 1px solid var(--color-border);
    }

    .transform-icon {
      flex-shrink: 0;
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
    }

    .transform-text {
      font-size: 15px;
      color: var(--color-text-light);
      line-height: 1.7;
    }

    .transform-highlight {
      background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
      color: var(--color-white);
      padding: 28px 10px;
      border-radius: var(--radius-md);
      text-align: center;
      margin-top: 32px;
      font-size: 15px;
      font-weight: 600;
      box-shadow: var(--shadow-md);
    }

    /* Testimonials */
    .testimonials-section {
      background: linear-gradient(180deg, var(--color-bg-accent) 0%, var(--color-bg) 100%);
      padding: 60px 0;
    }

    .testimonial-card {
      background: var(--color-white);
      padding: 28px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      margin-bottom: 20px;
      border: 1px solid var(--color-border);
    }

    .testimonial-header {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 16px;
    }

    .testimonial-avatar {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      color: var(--color-white);
      font-weight: 600;
    }

    .testimonial-info h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text);
      margin-bottom: 2px;
    }

    .testimonial-info p {
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .testimonial-stars {
      display: flex;
      gap: 2px;
      margin-bottom: 12px;
    }

    .testimonial-stars svg {
      width: 18px;
      height: 18px;
      fill: var(--color-secondary);
    }

    .testimonial-text {
      font-size: 15px;
      color: var(--color-text-light);
      line-height: 1.8;
      font-style: italic;
    }

    /* Pricing Section */
    .pricing-section {
      padding: 60px 0;
    }

    .pricing-comparison {
      background: var(--color-bg-accent);
      padding: 20px;
      border-radius: var(--radius-md);
      text-align: center;
      margin-bottom: 32px;
      font-size: 15px;
      color: var(--color-text-light);
    }

    .pricing-card {
      background: var(--color-white);
      border-radius: var(--radius-lg);
      padding: 0px 24px 32px 24px ;
      box-shadow: var(--shadow-lg);
      border: 2px solid var(--color-primary-light);
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .pricing-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 6px;
      background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    }

    .pricing-features {
      text-align: left;
      margin: -20px 0 24px 0;
    }

    .pricing-feature {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px solid var(--color-border);
    }

    .pricing-feature:last-child {
      border-bottom: none;
    }

    .pricing-feature-icon {
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .pricing-feature-icon svg {
      width: 14px;
      height: 14px;
      stroke: var(--color-success);
    }

    .pricing-feature-text {
      font-size: 15px;
      color: var(--color-text);
      line-height: 1.5;
    }

    .pricing-feature-text del {
      color: var(--color-text-muted);
      margin-left: 8px;
      font-size: 13px;
    }

    .pricing-total {
      margin: 24px 0;
      padding: 20px;
      background: var(--color-bg-accent);
      border-radius: var(--radius-md);
    }

    .pricing-total-label {
      font-size: 14px;
      color: var(--color-text-muted);
      text-decoration: line-through;
    }

    .pricing-total-price {
      font-size: 48px;
      font-weight: 700;
      color: var(--color-primary-dark);
      line-height: 1.2;
    }

    .pricing-total-price span {
      font-size: 24px;
      vertical-align: top;
    }

    .pricing-total-note {
      font-size: 14px;
      color: var(--color-text-light);
      margin-top: 4px;
    }

    .pricing-urgent {
      background: linear-gradient(135deg, #FEF2F2 0%, #FECACA 100%);
      padding: 16px;
      border-radius: var(--radius-md);
      margin-top: 20px;
      font-size: 14px;
      color: var(--color-urgent);
      font-weight: 500;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    /* Guarantee */
    .guarantee-section {
      padding: 40px 0;
    }

    .guarantee-card {
      background: linear-gradient(135deg, var(--color-white) 0%, var(--color-bg-accent) 100%);
      padding: 32px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      text-align: center;
      border: 2px solid var(--color-success);
    }

    .guarantee-icon {
      width: 80px;
      height: 80px;
      background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      font-size: 40px;
    }

    .guarantee-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 12px;
    }

    .guarantee-text {
      font-size: 15px;
      color: var(--color-text-light);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .guarantee-highlight {
      background: linear-gradient(135deg, var(--color-primary-light) 0%, #BFDBFE 100%);
      padding: 16px;
      border-radius: var(--radius-md);
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text);
    }

    /* FAQ */
    .faq-section {
      background: var(--color-bg-accent);
      padding: 60px 0;
    }

    .faq-item {
      background: var(--color-white);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      border: 1px solid var(--color-border);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text);
      transition: background 0.3s ease;
      font-family: inherit;
    }

    .faq-question:hover {
      background: var(--color-bg-accent);
    }

    .faq-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--color-primary);
      color: var(--color-white);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
    }

    .faq-item.active .faq-answer {
      max-height: 500px;
    }

    .faq-answer-content {
      padding: 0 24px 20px;
      font-size: 15px;
      color: var(--color-text-light);
      line-height: 1.8;
    }

    /* Final CTA */
    .final-cta-section {
      padding: 60px 0;
      text-align: center;
    }

    .final-cta-intro {
      font-size: 17px;
      color: var(--color-text-light);
      margin-bottom: 32px;
      line-height: 1.8;
      max-width: 500px;
      margin-left: auto;
      margin-right: auto;
    }

    .final-cta-choices {
      display: grid;
      gap: 16px;
      margin-bottom: 32px;
      text-align: left;
    }

    .choice-card {
      padding: 20px;
      border-radius: var(--radius-md);
      font-size: 15px;
      line-height: 1.7;
    }

    .choice-card.bad {
      background: linear-gradient(135deg, #FEF2F2 0%, #FECACA 100%);
      border: 1px solid #FECACA;
      color: var(--color-text-light);
    }

    .choice-card.good {
      background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
      border: 2px solid var(--color-success);
      color: var(--color-text);
      font-weight: 500;
    }

    .final-price-card {
      background: var(--color-white);
      padding: 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      margin-bottom: 24px;
      display: inline-block;
    }

    .final-price {
      font-size: 42px;
      font-weight: 700;
      color: var(--color-primary-dark);
    }

    .final-price span {
      font-size: 20px;
      vertical-align: top;
    }

    .final-price-note {
      font-size: 14px;
      color: var(--color-text-muted);
      margin-top: 4px;
    }

    /* Footer */
    .footer {
      background: linear-gradient(180deg, var(--color-bg-accent) 0%, var(--color-white) 100%);
      padding: 40px 0;
      text-align: center;
      border-top: 1px solid var(--color-border);
      margin-top: auto;
    }

    .footer-logo {
      height: 100px;
      margin-bottom: 16px;
    }

    .footer-text {
      font-size: 14px;
      color: var(--color-text-muted);
      margin-bottom: 16px;
    }

    .footer-links {
      display: flex;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    .footer-links a {
      font-size: 13px;
      color: var(--color-text-light);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .footer-links a:hover {
      color: var(--color-primary);
    }

    /* Animations */
    .fade-in {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

    /* Responsive */
    @media (max-width: 480px) {
      .hero-title { font-size: 24px; }
      .section-title { font-size: 22px; }
      .cta-button { padding: 16px 32px; font-size: 16px; }
      .timer-unit { padding: 10px 12px; min-width: 50px; }
      .timer-value { font-size: 24px; }
      .pricing-total-price { font-size: 40px; }
      .testimonial-header { flex-direction: column; text-align: center; }
      .cta-badges { flex-direction: column; gap: 8px; }
    }

    /* Scroll to top button */
    .scroll-top {
      position: fixed;
      bottom: 24px;
      right: 24px;
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
      box-shadow: var(--shadow-md);
      border: none;
      z-index: 99;
    }

    .scroll-top.visible {
      opacity: 1;
      visibility: visible;
    }

    .scroll-top:hover {
      transform: translateY(-4px);
    }

    .scroll-top svg {
      width: 24px;
      height: 24px;
      stroke: var(--color-white);
    }