@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600;700&family=Open+Sans:wght@300;400;500;600;700&family=Caveat:wght@400;500;600;700&display=swap');

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

:root {
  --primary: #00A8E8;
  --secondary: #9D4EDD;
  --accent: #FF8C42;
  --background: #F9F6F0;
  --foreground: #2D2D2D;
  --muted: #E8E5DC;
  --muted-foreground: #6B6B6B;
  --card: #FFFFFF;
  --border: #DEDAD1;
  
  --font-sans: 'Open Sans', sans-serif;
  --font-heading: 'Quicksand', sans-serif;
  --font-accent: 'Caveat', cursive;
}

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 1rem 0;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--foreground);
  font-weight: 500;
  transition: color 0.3s;
}

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

section {
  padding: 4rem 0;
}

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--card);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hero-content {
  text-align: left;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.text-primary {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 2rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s;
  border: 2px solid transparent;
  font-size: 1rem;
  display: inline-block;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: #0088c2;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 168, 232, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--foreground);
  border-color: var(--border);
}

.btn-outline:hover {
  background: var(--muted);
}

#about {
  background: var(--muted);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.25rem;
  color: var(--muted-foreground);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.5rem;
}

.icon-primary {
  background: rgba(0, 168, 232, 0.1);
  color: var(--primary);
}

.icon-secondary {
  background: rgba(157, 78, 221, 0.1);
  color: var(--secondary);
}

.icon-accent {
  background: rgba(255, 140, 66, 0.1);
  color: var(--accent);
}

.feature-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.feature-content p {
  color: var(--muted-foreground);
}

.about-image {
  border-radius: 0.5rem;
  overflow: hidden;
  border: 2px solid var(--border);
}

.about-image img {
  width: 100%;
  height: auto;
}

.quote-card {
  background: linear-gradient(135deg, rgba(0, 168, 232, 0.05), rgba(157, 78, 221, 0.05));
  padding: 3rem;
  border-radius: 0.5rem;
  border: 2px solid var(--border);
  text-align: center;
}

.quote-card blockquote {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-style: italic;
  margin-bottom: 1rem;
}

.quote-card footer {
  font-weight: 600;
  color: var(--muted-foreground);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.book-card {
  background: var(--card);
  border-radius: 0.5rem;
  overflow: hidden;
  border: 2px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
}

.book-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.book-cover {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.book-content {
  padding: 1.5rem;
}

.book-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.book-subtitle {
  font-size: 0.9rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.book-description {
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.values-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  background: var(--muted);
  color: var(--foreground);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.purchase-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.purchase-links a {
  flex: 1;
  min-width: 100px;
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--card);
  padding: 2rem;
  border-radius: 0.5rem;
  border: 2px solid var(--border);
}

.testimonial-quote {
  font-family: var(--font-accent);
  font-size: 1.125rem;
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.social-link {
  font-size: 2.5rem;
  color: var(--foreground);
  transition: color 0.3s, transform 0.3s;
}

.social-link:hover {
  color: var(--primary);
  transform: scale(1.1);
}

footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--muted-foreground);
}

@media (max-width: 768px) {
  .hero-grid, .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-image {
    width: 300px;
    height: 300px;
  }
  
  .btn-group {
    justify-content: center;
  }
  
  .nav-links {
    display: none;
  }
  
  .books-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.scroll-indicator {
  text-align: center;
  margin-top: 2rem;
  animation: bounce 2s infinite;
}

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

.loading {
  text-align: center;
  padding: 3rem;
  color: var(--muted-foreground);
}

.release-date {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}