:root {
  --accent: #F2F3F0;
  --accent-foreground: #111111;
  --background: #F8F6F1;
  /* Del diseño */
  --black: #000000;
  --border: #CBCCC9;
  --card: #FFFFFF;
  --card-foreground: #111111;
  --foreground: #111111;
  --muted: #E7E8E5;
  --muted-foreground: #666666;
  --popover: #FFFFFF;
  --primary: #FF8400;
  --primary-foreground: #111111;
  --radius-m: 16px;
  --radius-none: 0px;
  --radius-pill: 999px;
  --secondary: #E7E8E5;
  --secondary-foreground: #111111;
  --white: #FFFFFF;

  --font-primary: 'Instrument Serif', serif;
  --font-secondary: 'Inter', sans-serif;
  --font-display: 'Funnel Display', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #111111;
    --accent-foreground: #F2F3F0;
    --background: #111111;
    --border: #2E2E2E;
    --card: #1A1A1A;
    --card-foreground: #FFFFFF;
    --foreground: #FFFFFF;
    --muted: #2E2E2E;
    --muted-foreground: #B8B9B6;
    --popover: #1A1A1A;
    --primary: #FF8400;
    --primary-foreground: #111111;
    --secondary: #2E2E2E;
    --secondary-foreground: #FFFFFF;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: 400;
  margin-bottom: 1rem;
}

.display-text {
  font-family: var(--font-display);
  font-weight: 500;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 80px;
  background-color: #0B1D3A;
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 16px;
  transition: color 0.3s ease;
}

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

.btn {
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  display: inline-block;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 132, 0, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 80px 120px;
  background: linear-gradient(180deg, #0B1D3A 0%, #142D54 60%, #1A3A6B 100%);
  color: var(--white);
  min-height: 80vh;
  gap: 80px;
}

.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-title {
  font-size: 80px;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--white);
}

.hero-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  font-weight: 300;
}

.hero-images {
  display: flex;
  gap: 20px;
  flex: 1;
  justify-content: flex-end;
}

.book-cover {
  width: 320px;
  height: 480px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transition: transform 0.5s ease;
}

.book-cover:hover {
  transform: translateY(-10px) rotate(2deg);
}

/* About Section */
.section {
  padding: 100px 120px;
}

.about {
  background-color: var(--background);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 56px;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.section-title {
  font-size: 48px;
  color: var(--foreground);
  margin-bottom: 24px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--muted-foreground);
}

.text-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 18px;
  line-height: 1.8;
  color: var(--foreground);
}

.text-content p {
  margin-bottom: 20px;
}

.highlight {
  color: var(--primary);
  font-weight: 600;
  font-style: italic;
  font-family: var(--font-primary);
  font-size: 24px;
  display: block;
  margin: 30px 0;
  text-align: center;
}

/* Topics Section */
.topics {
  background-color: #0B1D3A;
  color: var(--white);
}

.topics .section-title {
  color: var(--white);
}

.topics .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.topic-card {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-m);
  padding: 32px;
  transition: all 0.3s ease;
}

.topic-card:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.topic-icon {
  font-size: 32px;
  margin-bottom: 16px;
  color: var(--primary);
}

.topic-title {
  font-family: var(--font-secondary);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

/* Author Section */
.author {
  background-color: var(--background);
  display: flex;
  gap: 80px;
  align-items: center;
}

.author-photo {
  width: 400px;
  height: 480px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 12px 40px rgba(11, 29, 58, 0.15);
}

.author-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.author-name {
  font-size: 56px;
  color: var(--foreground);
  line-height: 1.1;
}

/* Final CTA */
.cta {
  background: linear-gradient(180deg, #0B1D3A 0%, #1A3A6B 100%);
  color: var(--white);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.cta-quote {
  font-family: var(--font-primary);
  font-style: italic;
  font-size: 24px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
}

.cta-title {
  font-family: var(--font-primary);
  font-size: 56px;
  line-height: 1.1;
  max-width: 800px;
}

.cta-desc {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  font-weight: 300;
}

.cta-btns {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

/* Footer */
.footer {
  background-color: #0A1628;
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 120px 32px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
}

.footer-divider {
  height: 1px;
  background-color: rgba(255, 255, 255, 0.1);
  width: 100%;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    padding: 80px 40px;
    text-align: center;
  }

  .hero-images {
    justify-content: center;
    margin-top: 40px;
  }

  .author {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: 80px 40px;
  }

  .header {
    padding: 20px 40px;
  }

  .footer {
    padding: 40px 40px 24px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 48px;
  }

  .section-title {
    font-size: 36px;
  }

  .author-photo {
    width: 100%;
    height: auto;
  }

  .nav-links {
    display: none;
    /* simple mobile handling */
  }

  .book-cover {
    width: 240px;
    height: 360px;
  }
}