/* ============================================
   Evan Locke — Author Website
   Design System
   ============================================ */

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

:root {
  /* Colors — Shadow & Ember theme for SHADOWWOVEN */
  --bg-deep: #0b0a0e;
  --bg-surface: #15131a;
  --bg-elevated: #1d1a23;
  --bg-card: #19171f;
  --text-primary: #e8e4e0;
  --text-secondary: #9a938b;
  --text-muted: #6b6660;
  --accent: #c4632a;
  --accent-hover: #d47338;
  --accent-dim: rgba(196, 99, 42, 0.15);
  --danger: #c75450;
  --success: #6b9b6e;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(196, 99, 42, 0.4);

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Noto Serif SC', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

/* ============================================
   Layout Utilities
   ============================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(11, 10, 14, 0.95);
  backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent) !important;
  font-weight: 600 !important;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg-deep) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 70% 30%, rgba(196, 99, 42, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 20% 80%, rgba(80, 40, 20, 0.06) 0%, transparent 50%),
              var(--bg-deep);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 25% 35%, rgba(255,255,255,0.02) 1px, transparent 1px),
    radial-gradient(circle at 75% 65%, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px, 80px 80px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-pretitle {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: var(--space-sm);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-tagline {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  max-width: 580px;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.7s forwards;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.8s forwards;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(196, 99, 42, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* ============================================
   Book Showcase Section
   ============================================ */

.book-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.book-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-lg);
  align-items: center;
}

.book-cover {
  position: relative;
  aspect-ratio: 2/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #19171f 0%, #0b0a0e 100%);
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  text-align: center;
}

.book-cover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.book-cover-inner {
  position: relative;
  z-index: 2;
}

.book-cover .cover-series {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.book-cover .cover-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.book-cover .cover-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.book-cover .cover-divider {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: 1rem auto;
}

.book-cover .cover-author {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.book-info h2 {
  margin-bottom: var(--space-sm);
}

.book-synopsis {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.book-synopsis .drop-cap {
  float: left;
  font-family: var(--font-serif);
  font-size: 3.5rem;
  line-height: 0.8;
  padding-right: 0.5rem;
  padding-top: 0.3rem;
  color: var(--accent);
}

.book-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.feature-card {
  padding: var(--space-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.feature-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.book-stats {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.stat-item .stat-value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-item .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   Chapter Directory
   ============================================ */

.chapter-section {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
}

.chapter-list {
  max-width: 760px;
  margin: 0 auto;
}

.chapter-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.chapter-item:hover {
  border-bottom-color: var(--border-hover);
  padding-left: var(--space-xs);
}

.chapter-item:last-child {
  border-bottom: none;
}

.chapter-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 50px;
  line-height: 1;
  text-align: center;
}

.chapter-content {
  flex: 1;
}

.chapter-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.chapter-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.chapter-status {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success);
  white-space: nowrap;
  align-self: center;
}

.chapter-item-upcoming {
  opacity: 0.5;
}

.chapter-status-upcoming {
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .chapter-item {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .chapter-number {
    min-width: 40px;
    font-size: 1.5rem;
  }

  .chapter-status {
    order: 3;
    width: 100%;
    padding-left: 50px;
  }
}

/* ============================================
   Author Section
   ============================================ */

.author-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  align-items: start;
}

.author-portrait {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--accent);
  position: relative;
  overflow: hidden;
}

.author-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(196, 99, 42, 0.1), transparent 60%);
}

.author-bio h2 {
  margin-bottom: var(--space-sm);
}

.author-bio p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.author-signature {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--accent);
  margin-top: var(--space-md);
}

.author-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ============================================
   Sample Chapter Section
   ============================================ */

.sample-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sample-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.sample-excerpt {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
}

.sample-excerpt::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 30px;
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
}

.sample-chapter-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.sample-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.sample-text p {
  margin-bottom: 1.2rem;
}

.sample-text p:first-of-type::first-letter {
  font-size: 3rem;
  float: left;
  line-height: 0.8;
  padding-right: 0.5rem;
  padding-top: 0.3rem;
  color: var(--accent);
  font-weight: 700;
}

.sample-actions {
  text-align: center;
  margin-top: var(--space-md);
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Blog Section
   ============================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.blog-card-banner {
  height: 160px;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--accent);
  opacity: 0.6;
  position: relative;
}

.blog-card-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent, var(--bg-card));
}

.blog-card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-card-tag {
  padding: 0.2rem 0.6rem;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.7rem;
}

.blog-card-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: var(--space-sm);
}

.blog-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}

.blog-card:hover .blog-card-link {
  gap: 0.7rem;
}

/* ============================================
   Newsletter Section
   ============================================ */

.newsletter {
  background: radial-gradient(ellipse at center, rgba(196, 99, 42, 0.06), transparent 70%),
              var(--bg-deep);
  text-align: center;
}

.newsletter-content {
  max-width: 600px;
  margin: 0 auto;
}

.newsletter h2 {
  margin-bottom: var(--space-sm);
}

.newsletter p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
}

.newsletter-form {
  display: flex;
  gap: var(--space-xs);
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  padding: 0.8rem 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--accent);
}

.newsletter-input::placeholder {
  color: var(--text-muted);
}

.newsletter-lead {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.newsletter-success {
  display: none;
  padding: var(--space-md);
  background: rgba(107, 155, 110, 0.1);
  border: 1px solid rgba(107, 155, 110, 0.3);
  border-radius: var(--radius);
  color: var(--success);
  margin-top: var(--space-sm);
}

.newsletter-success.show {
  display: block;
}

/* ============================================
   Ko-fi Support Block
   ============================================ */

.newsletter-kofi {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.kofi-lead {
  font-family: 'Cormorant Garamond', 'Noto Serif SC', serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.kofi-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #c4632a;
  color: #fff;
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.8rem 1.8rem;
  border-radius: 4px;
  border: 1px solid #c4632a;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 16px rgba(196, 99, 42, 0.25);
}

.kofi-btn:hover {
  background: #d9743a;
  border-color: #d9743a;
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(196, 99, 42, 0.4);
}

.kofi-cup {
  font-size: 1.15rem;
  line-height: 1;
}

.kofi-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-col ul a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================
   Blog Page
   ============================================ */

.blog-page-header {
  padding: calc(var(--space-xl) + 60px) 0 var(--space-lg);
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(196, 99, 42, 0.05), transparent 70%);
}

.blog-page-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: var(--space-sm) auto 0;
  font-size: 1.1rem;
}

.blog-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  padding: var(--space-lg) 0;
}

/* ============================================
   Article Page
   ============================================ */

.article {
  padding-top: 100px;
}

.article-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-lg);
  padding: var(--space-lg) 0;
}

.article-meta {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.article-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-sm);
}

.article-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  font-style: italic;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--text-primary);
}

.article-body h2 {
  font-size: 1.75rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

.article-body h3 {
  font-size: 1.35rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

.article-body p {
  margin-bottom: 1.3rem;
  color: var(--text-secondary);
}

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

.article-body ul, .article-body ol {
  margin-bottom: 1.3rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  font-style: italic;
  color: var(--text-primary);
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-surface);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--accent);
}

.article-nav {
  display: flex;
  justify-content: space-between;
  max-width: 720px;
  margin: var(--space-xl) auto 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 900px) {
  .book-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .book-cover {
    max-width: 280px;
    margin: 0 auto;
  }

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

  .author-portrait {
    max-width: 200px;
    margin: 0 auto;
  }

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

  .blog-list {
    grid-template-columns: 1fr;
  }

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

  .book-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    min-height: 90vh;
    padding-top: 80px;
  }

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

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-input {
    width: 100%;
  }

  .book-stats {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .sample-excerpt {
    padding: var(--space-md);
  }
}