* {
  box-sizing: border-box;
}

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  color: #3d2817;
  line-height: 1.6;
  background: #faf8f5;
}

/* Header */
header {
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #c17250;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-buttons {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-secondary {
  background: transparent;
  color: #c17250;
  border: 2px solid #c17250;
}

.btn-secondary:hover {
  background: #fef5f0;
}

.btn-primary {
  background: linear-gradient(135deg, #c17250 0%, #d4915e 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(193, 114, 80, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(193, 114, 80, 0.4);
}

/* Hero Section */
.hero {
  max-width: 1200px;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: #3d2817;
}

.hero-content .highlight {
  color: #c17250;
  position: relative;
}

.hero-content p {
  font-size: 1.25rem;
  color: #6b5548;
  margin-bottom: 2rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* How It Works */
.how-it-works {
  background: white;
  padding: 5rem 2rem;
  text-align: center;
  margin-bottom: 4rem;
}

.how-it-works h2 {
  font-size: 2.5rem;
  color: #3d2817;
  margin-bottom: 3rem;
}

.steps {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.step {
  text-align: center;
}

.step-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #c17250 0%, #d4915e 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
  box-shadow: 0 4px 12px rgba(193, 114, 80, 0.3);
}

.step h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #3d2817;
}

.step p {
  color: #6b5548;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, #c17250 0%, #d4915e 100%);
  padding: 5rem 2rem;
  text-align: center;
  color: white;
  margin: auto;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.btn-white {
  background: white;
  color: #c17250;
}

.btn-white:hover {
  background: #fef5f0;
  transform: translateY(-2px);
}

/* Footer */
footer {
  background: #3d2817;
  color: #e8d5c4;
  padding: 2rem;
  text-align: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 1rem;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .book-display {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1rem;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .how-it-works h2,
  .cta h2 {
    font-size: 1.75rem;
  }
}