:root {
  /* Colors - Liquid Glass (Luxury Minimal) */
  --bg-base: #1C1917;
  /* Deepest stone/warm dark */
  --bg-surface: #292524;
  /* Slightly lighter surface */
  --bg-surface-elevated: #44403C;
  /* Elevated elements */

  --text-primary: #FAFAF9;
  /* Off-white for less strain */
  --text-secondary: #D6D3D1;
  /* Softer secondary text */
  --text-muted: #A8A29E;

  --accent-gold: #CA8A04;
  /* Luxury muted gold */
  --accent-gold-glow: rgba(202, 138, 4, 0.4);
  --accent-champagne: #FEF08A;

  /* Typography */
  --font-serif: 'Archivo', system-ui, sans-serif;
  /* Architectural Display */
  --font-sans: 'Space Grotesk', system-ui, sans-serif;
  /* Technical Body */

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 5rem;
  /* Increased for minimalism */
  --spacing-xl: 10rem;
  /* Increased for minimalism */

  /* UI */
  --radius-sm: 2px;
  /* Sharper */
  --radius-md: 4px;
  /* Sharper */
  --shadow-glow: 0 0 30px var(--accent-gold-glow);
  --shadow-soft: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
  --glass-bg: rgba(41, 37, 36, 0.4);
  --glass-border: rgba(250, 250, 249, 0.08);

  /* Layout */
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.7;
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #1a1a24 0%, var(--bg-base) 60%);
  background-attachment: fixed;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--text-primary);
}

::selection {
  background: var(--accent-gold);
  color: var(--bg-base);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 0;
  background: rgba(10, 10, 12, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

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

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  display: flex;
  flex-direction: column;
}

.publisher-tag {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -4px;
  left: 0;
  background-color: var(--accent-gold);
  transition: width 0.3s ease;
}

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

.nav-links a:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 4px;
}

.nav-links a:hover::after {
  width: 100%;
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--spacing-xl);
  position: relative;
}

.hero-section::before {
  content: '';
  position: absolute;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(202, 138, 4, 0.03) 0%, rgba(28, 25, 23, 0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
}

.hero-content h1 {
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 1.05;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #FAFAF9 0%, #A8A29E 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
  font-family: var(--font-serif);
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 0.02em;
}

.cta-group {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2.5rem;
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}

.btn-primary {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-primary:hover {
  background: rgba(41, 37, 36, 0.7);
  color: var(--accent-gold);
  border-color: var(--accent-gold-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(250, 250, 249, 0.1);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  background: rgba(250, 250, 249, 0.05);
  transform: translateY(-2px);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.section-title .accent {
  color: var(--accent-gold);
  font-style: italic;
}

.single-book-showcase {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.single-book-showcase.reverse {
  grid-template-columns: 1fr 1.2fr;
}

.single-book-showcase .book-cover-container {
  margin-right: -4rem;
  /* Overlap effect */
  z-index: 1;
}

.single-book-showcase.reverse .book-cover-container {
  margin-right: 0;
  margin-left: -4rem;
  /* Reverse overlap */
}

.book-cover-container {
  position: relative;
  perspective: 1000px;
}

.book-cover-inner {
  transform: rotateY(-5deg) rotateX(5deg);
  transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: -20px 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(212, 175, 55, 0.1);
  border-radius: 4px;
}

.book-cover-container:hover .book-cover-inner {
  transform: rotateY(0deg) rotateX(0deg) scale(1.02);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(212, 175, 55, 0.2);
}

.book-cover-img {
  width: 100%;
  display: block;
  border-radius: 4px;
}

.book-details {
  text-align: left;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
  position: relative;
  z-index: 10;
}

.book-details h3 {
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, #FAFAF9, #CA8A04);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.book-meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
  display: block;
}

.book-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.book-details .cta-group {
  justify-content: flex-start;
}

.about-section {
  background: var(--bg-surface);
  position: relative;
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-text h2 {
  text-align: left;
  margin-bottom: 3rem;
}

.about-text h3 {
  color: var(--accent-gold);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.about-text h3:first-of-type {
  margin-top: 0;
}

.about-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.about-visual {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
}

.about-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  pointer-events: none;
  transition: all 0.5s ease;
}

.about-visual:hover::after {
  border-color: var(--accent-gold);
  box-shadow: inset 0 0 20px rgba(202, 138, 4, 0.1);
}

.author-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(80%) contrast(1.1);
  transition: all 0.7s ease;
}

.about-visual:hover .author-img {
  filter: grayscale(30%) contrast(1.05);
  transform: scale(1.02);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.stat-item {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 2px solid rgba(250, 250, 249, 0.1);
  transition: all 0.3s ease;
}

.stat-item:hover {
  border-left-color: var(--accent-gold);
  background: rgba(41, 37, 36, 0.6);
  transform: translateX(5px);
}

.stat-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stat-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--accent-champagne);
}

.site-footer {
  padding: var(--spacing-xl) 0 var(--spacing-md);
  text-align: center;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--bg-base);
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.publisher-lockup {
  margin-bottom: var(--spacing-lg);
}

.publisher-lockup span {
  display: block;
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

.footer-legal {
  margin-top: 2rem;
  font-size: 0.85rem;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--accent-gold);
}

.footer-legal .separator {
  margin: 0 0.8rem;
  opacity: 0.3;
}

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s cubic-bezier(0.165, 0.84, 0.44, 1), transform 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

@media (max-width: 900px) {

  .single-book-showcase,
  .split-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .about-text {
    order: 2;
  }

  .about-visual {
    order: 1;
    max-width: 500px;
    margin: 0 auto;
  }

  .book-cover-container {
    max-width: 400px;
    margin: 0 auto;
  }

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

  .book-details .cta-group {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero-section {
    padding-top: 120px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.legal-page {
  padding-top: calc(var(--spacing-xl) + 2rem);
  padding-bottom: var(--spacing-xl);
  min-height: 80vh;
}

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

.legal-content h1 {
  font-size: 3rem;
  margin-bottom: 3rem;
  text-align: center;
}

.legal-block {
  margin-bottom: 3rem;
}

.legal-block h2 {
  font-size: 1.8rem;
  color: var(--accent-champagne);
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.8rem;
}

.legal-block h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--accent-gold);
  margin: 2rem 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.legal-block p,
.legal-block ul {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
}

.legal-block ul {
  padding-left: 1.5rem;
}

.legal-block li {
  margin-bottom: 0.5rem;
}

.legal-block a {
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-color: var(--accent-gold);
  text-underline-offset: 4px;
  transition: all 0.3s ease;
}

.legal-block a:hover {
  color: var(--accent-gold);
}

.disclaimer {
  background: rgba(255, 255, 255, 0.03);
  padding: 2rem;
  border-radius: var(--radius-md);
  margin-top: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.reading-sample {
  max-width: 800px;
  margin: 0 auto;
  padding: calc(var(--spacing-xl) + 2rem) 1rem var(--spacing-lg);
  font-family: var(--font-serif);
  line-height: 1.9;
  font-size: 1.15rem;
  color: var(--text-secondary);
}

.reading-sample h1 {
  font-size: 3.5rem;
  margin-bottom: 0.5rem;
  text-align: center;
  color: var(--text-primary);
}

.reading-sample .chapter-title {
  text-align: center;
  font-size: 1.2rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 4rem;
  color: var(--accent-gold);
}

.reading-sample p {
  margin-bottom: 1.8rem;
  text-align: justify;
}

.reading-sample em {
  color: var(--text-primary);
  font-style: italic;
}

.scene-break {
  text-align: center;
  margin: 3rem 0;
  font-size: 1.5rem;
  color: var(--accent-gold);
  opacity: 0.5;
}

.back-link {
  display: inline-block;
  margin-top: 4rem;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--text-muted);
  transition: color 0.3s ease;
  width: 100%;
}

.back-link:hover {
  color: var(--accent-gold);
}

.reading-cta {
  text-align: center;
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.reading-cta p {
  font-style: italic;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--text-primary);
}
.ai-transparency-note {
  background: rgba(202, 138, 4, 0.05);
  border: 1px solid var(--accent-gold);
  padding: 1.5rem 2rem;
  border-radius: var(--radius-md);
  margin: 3rem 0;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.ai-transparency-note::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent-gold);
}