:root {
  --color-dark-bg: #0f172a;
  --color-darker: #0c1222;
  --color-primary: #e94560;
  --color-primary-hover: #ff5473;
  --color-cyan: #00d9ff;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --glass-bg: rgba(30, 41, 59, 0.4);
  --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--color-dark-bg);
  background: linear-gradient(135deg, #0f172a 0%, #171136 50%, #201e50 100%);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3 {
  font-family: 'Playfair Display', serif;
  color: #fff;
  line-height: 1.2;
}

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

.highlight { color: var(--color-primary); }
.highlight-cyan { color: var(--color-cyan); }

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

/* Background Animations */
.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.5;
  animation: float 10s infinite ease-in-out alternate;
}

.bg-glow-pink {
  background: rgba(233, 69, 96, 0.15);
  top: -10%;
  right: -10%;
}

.bg-glow-cyan {
  background: rgba(0, 217, 255, 0.1);
  bottom: 20%;
  left: -20%;
  animation-delay: -5s;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  padding: 16px 32px;
  border-radius: 50px;
  font-size: 18px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 10px 25px rgba(233, 69, 96, 0.4);
}

.btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(233, 69, 96, 0.6);
}

.btn-large {
  font-size: 20px;
  padding: 20px 48px;
}

/* Hero Section */
.hero {
  padding: 100px 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: rgba(233, 69, 96, 0.2);
  color: var(--color-primary);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  border: 1px solid rgba(233, 69, 96, 0.3);
}

.hero-content .title {
  font-size: 56px;
  margin-bottom: 24px;
}

.hero-content .subtitle {
  font-size: 18px;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  max-width: 90%;
}

.cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.guarantee {
  font-size: 14px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Hero Image Card (Glassmorphism) */
.hero-image-wrapper {
  position: relative;
}

.image-glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: rotate(2deg);
  transition: transform 0.5s ease;
}

.image-glass-card:hover {
  transform: rotate(0deg) scale(1.02);
}

.book-cover {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Problem Section */
.problem-section {
  padding: 100px 0;
  background: rgba(12, 18, 34, 0.5);
}

.problem-content {
  max-width: 800px;
  margin: 0 auto 60px;
}

.problem-content h2 {
  font-size: 42px;
  margin-bottom: 20px;
}

.problem-content p {
  font-size: 18px;
  color: var(--color-text-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  padding: 40px 30px;
  border-radius: 24px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-10px);
  border-color: rgba(233, 69, 96, 0.4);
}

.icon-box {
  font-size: 48px;
  margin-bottom: 20px;
}

.glass-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  margin-bottom: 15px;
}

.glass-card p {
  color: var(--color-text-muted);
  font-size: 15px;
}

/* Solution Section */
.solution-section {
  padding: 120px 0;
}

.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.floating-book {
  width: 100%;
  max-width: 450px;
  border-radius: 12px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.6);
  animation: levitate 6s ease-in-out infinite;
}

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

.solution-text h2 {
  font-size: 48px;
  margin-bottom: 24px;
}

.solution-text p {
  font-size: 18px;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  font-size: 16px;
  color: #e2e8f0;
}

.feature-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Content Preview Section */
.content-preview {
  padding: 100px 0;
  background: rgba(12, 18, 34, 0.3);
}

.section-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 60px;
}

.chapters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.chapter-item {
  background: var(--glass-bg);
  padding: 30px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.chapter-num {
  font-size: 14px;
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.5;
  letter-spacing: 2px;
}

.chapter-item h4 {
  font-family: 'Inter', sans-serif;
  font-size: 20px;
}

.chapter-item p {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* Author Section */
.author-section {
  padding: 120px 0;
}

.author-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
  align-items: center;
}

.author-info .title {
  font-size: 42px;
  margin-bottom: 20px;
}

.author-info h3 {
  font-family: 'Inter', sans-serif;
  font-size: 28px;
  margin-bottom: 5px;
}

.author-info .role {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 30px;
}

.author-bio {
  display: flex;
  flex-direction: column;
  gap: 20px;
  color: var(--color-text-muted);
}

.author-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.stat-card {
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.1) 0%, transparent 100%);
  border: 1px solid var(--glass-border);
  padding: 40px;
  border-radius: 30px;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-muted);
}

/* CTA Bottom Section */
.cta-bottom {
  padding: 100px 0;
  background: linear-gradient(0deg, rgba(233, 69, 96, 0.05) 0%, transparent 100%);
  border-top: 1px solid var(--glass-border);
}

.cta-bottom h2 {
  font-size: 42px;
  margin-bottom: 20px;
}

.cta-bottom p {
  font-size: 18px;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

.money-back {
  margin-top: 20px !important;
  font-size: 14px !important;
  opacity: 0.7;
}

/* Footer */
footer {
  padding: 80px 0 40px;
  background: var(--color-darker);
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  align-items: center;
}

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

.footer-social {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.social-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.3s ease;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
}

.social-link:hover {
  color: var(--color-primary);
  border-color: rgba(233, 69, 96, 0.2);
  background: rgba(233, 69, 96, 0.05);
}

.footer-trust {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.trust-icon {
  font-size: 18px;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }
  
  .footer-social { order: 1; }
  .footer-trust {
    order: 2;
    align-items: center;
  }
  .footer-brand { order: 3; }
  
  .hero-grid, .solution-grid, .chapters-grid, .author-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content .title {
    font-size: 36px;
  }
  
  .cta-group {
    align-items: center;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .solution-image {
    order: -1;
  }
  
  .floating-book {
    margin: 0 auto;
    display: block;
  }
  
  .feature-list li {
    text-align: left;
  }

  .author-stats {
    margin-top: 40px;
  }
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed !important;
  bottom: 30px !important;
  right: 30px !important;
  width: 60px !important;
  height: 60px !important;
  background-color: #25d366 !important;
  color: #fff !important;
  border-radius: 50px !important;
  text-align: center !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5) !important;
  z-index: 9999 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all 0.3s ease;
  text-decoration: none !important;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #128c7e !important;
}

.whatsapp-pulse {
  position: absolute;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  border-radius: 50%;
  z-index: -1;
  opacity: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}