:root {
  --color-navy: #0B1320;
  --color-paper: #F6F1E6;
  --color-green: #2A9D8F;
  --color-amber: #E9C46A;
  --color-red: #E76F51;
  --color-text-main: #1a1a1a;
  --color-text-muted: #4a4a4a;
  --color-border: #dcd7cd;
  
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --border-radius: 4px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-paper);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

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

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

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

/* Typography Helpers */
.text-center { text-align: center; }
.text-uppercase { text-transform: uppercase; letter-spacing: 1px; font-size: 0.85rem; }
.editorial-lead { font-size: 1.25rem; font-family: var(--font-heading); color: var(--color-text-muted); margin-bottom: var(--spacing-md); }

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-border-top {
  border-top: 1px solid var(--color-border);
}

/* Header & Nav */
.site-header {
  background-color: var(--color-navy);
  color: var(--color-paper);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header a {
  color: var(--color-paper);
}

.site-header a:hover {
  color: var(--color-amber);
}

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

.brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: bold;
}

.primary-nav {
  display: flex;
  gap: var(--spacing-md);
}

.primary-nav a {
  font-size: 0.9rem;
  font-weight: 500;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-paper);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Masthead */
.masthead {
  text-align: center;
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-bottom: 2px solid var(--color-navy);
  margin-bottom: var(--spacing-md);
}

.masthead h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-xs);
}

.masthead p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-navy);
  background-color: transparent;
  color: var(--color-navy);
  font-weight: bold;
  text-align: center;
  cursor: pointer;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.btn-primary:hover {
  background-color: var(--color-red);
  border-color: var(--color-red);
  color: var(--color-paper);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-navy);
}

.btn-secondary:hover {
  background-color: var(--color-navy);
  color: var(--color-paper);
}

/* Hero Feature */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  background-color: var(--color-paper);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.hero-content h2 {
  font-size: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.hero-panel {
  background-color: #fff;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  box-shadow: 4px 4px 0 rgba(11, 19, 32, 0.1);
}

/* Book Cards */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.book-card {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease;
}

.book-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.chip {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
  border-radius: 20px;
  margin-bottom: var(--spacing-sm);
  background-color: var(--color-paper);
  color: var(--color-navy);
  border: 1px solid var(--color-border);
}

.chip-classic { border-color: var(--color-amber); color: #8a6d20; background: #fcf7eb;}
.chip-must-read { border-color: var(--color-red); color: #a3381e; background: #faede9;}
.chip-top-pick { border-color: var(--color-green); color: #15574f; background: #e6f4f2;}
.chip-hidden-gem { border-color: var(--color-navy); color: var(--color-navy); }

.book-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.book-author {
  font-family: var(--font-heading);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.book-theme {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.book-card p {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

/* Methodology Strip */
.methodology-strip {
  background-color: var(--color-amber);
  color: var(--color-navy);
  padding: var(--spacing-lg) 0;
  text-align: center;
  border-top: 2px solid var(--color-navy);
  border-bottom: 2px solid var(--color-navy);
}

.methodology-strip h2 {
  color: var(--color-navy);
}

.methodology-strip .btn {
  border-color: var(--color-navy);
}

/* Reading Notes Index (Compact Feed) */
.note-feed {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.note-item {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.note-item h4 {
  margin: 0;
  font-size: 1.1rem;
}

.note-item .author {
  color: var(--color-text-muted);
}

/* Individual Reading Note Full Profile */
.reading-note-profile {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  scroll-margin-top: 100px; /* For anchor links */
}

.reading-note-profile header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.reading-note-profile h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.profile-meta {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.reading-note-content h4 {
  font-size: 1.1rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Book Index Table/Row style */
.index-list {
  list-style: none;
}

.index-row {
  display: grid;
  grid-template-columns: 50px 3fr 2fr 2fr 1fr;
  align-items: center;
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  gap: var(--spacing-sm);
}

.index-row:hover {
  background-color: #fff;
}

.index-num {
  font-family: var(--font-heading);
  color: var(--color-text-muted);
  font-size: 1.2rem;
}

/* Footer */
.site-footer {
  background-color: var(--color-navy);
  color: var(--color-paper);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

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

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.footer-nav a {
  color: #a0aabf;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--color-paper);
}

.footer-disclaimer {
  border-top: 1px solid rgba(246, 241, 230, 0.2);
  padding-top: var(--spacing-md);
  font-size: 0.85rem;
  color: #a0aabf;
  text-align: center;
}

.footer-disclaimer p {
  margin-bottom: var(--spacing-xs);
}

/* Content Pages (Legal, About) */
.content-page {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
}

.content-page h2 {
  margin-top: var(--spacing-lg);
}

.content-page ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  border-top: 2px solid var(--color-navy);
  padding: var(--spacing-md);
  z-index: 1000;
  display: none; /* Hidden by default, shown by JS */
  box-shadow: 0 -10px 30px rgba(0,0,0,0.1);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.cookie-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 19, 32, 0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1001;
}

.cookie-modal-content {
  background: #fff;
  padding: var(--spacing-lg);
  max-width: 500px;
  width: 90%;
  border-radius: var(--border-radius);
}

.pref-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

/* Responsive */
@media (max-width: 1200px) {
  .hero {
    gap: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .primary-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-navy);
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  
  .primary-nav.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .index-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: var(--spacing-sm) 0;
  }
  
  .index-num {
    display: none;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-actions {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .masthead h1 {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .book-grid {
    grid-template-columns: 1fr;
  }
}