/*
Theme Name: Classically Literate
Theme URI: https://classicallyliterate.com
Description: A warm, classical education theme focused on great books and reading plans
Version: 1.0
Author: Classically Literate
*/

/* ============================================
   CSS VARIABLES - Warm Earth Tones Palette
   ============================================ */
:root {
  /* Colors - Warm Earth Tones */
  --color-cream: #F4EDE3;
  --color-warm-cream: #EFE6D5;
  --color-parchment: #E8DCC8;
  --color-olive-green: #6B7654;
  --color-sage-green: #7A8B6F;
  --color-dark-olive: #4A5240;
  --color-forest: #3C4A3A;
  --color-warm-brown: #8B7355;
  --color-dark-brown: #4A3F2E;
  --color-charcoal: #2C2416;
  --color-bronze: #9C6644;
  --color-gold: #C4A574;
  --color-rust: #A0522D;
  
  /* Semantic Colors */
  --color-primary: var(--color-olive-green);
  --color-primary-dark: var(--color-dark-olive);
  --color-secondary: var(--color-warm-brown);
  --color-accent: var(--color-bronze);
  --color-bg: var(--color-cream);
  --color-bg-alt: var(--color-warm-cream);
  --color-text: var(--color-dark-brown);
  --color-text-light: #6B5D4F;
  --color-border: #D4C4B0;
  
  /* Typography */
  --font-display: 'Crimson Pro', 'Crimson Text', Georgia, serif;
  --font-body: 'Lora', Georgia, serif;
  --font-accent: 'EB Garamond', Georgia, serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  
  /* Layout */
  --max-width: 1200px;
  --content-width: 720px;
  --border-radius: 2px;
  --transition: all 0.3s ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-charcoal);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 2.8rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.6rem;
}

h4 {
  font-size: 1.3rem;
  font-family: var(--font-body);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

a:hover {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary-dark);
}

strong {
  font-weight: 600;
}

em {
  font-style: italic;
  font-family: var(--font-accent);
}

blockquote {
  font-family: var(--font-accent);
  font-size: 1.15rem;
  font-style: italic;
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  border-left: 4px solid var(--color-bronze);
  background: var(--color-bg-alt);
  color: var(--color-text-light);
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */
.site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-content {
  flex: 1;
}

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

.content-wrapper {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  background: linear-gradient(135deg, var(--color-sage-green) 0%, var(--color-olive-green) 100%);
  border-bottom: 4px solid var(--color-gold);
  box-shadow: 0 2px 12px rgba(107, 118, 84, 0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background: rgba(0, 0, 0, 0.1);
  padding: var(--space-xs) 0;
  font-size: 0.85rem;
  color: var(--color-warm-cream);
  text-align: right;
  font-family: var(--font-accent);
}

.header-main {
  padding: var(--space-md) 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.site-branding h1 {
  margin: 0;
  font-size: 2rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-branding a {
  color: var(--color-cream);
  border: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-branding a:hover {
  color: var(--color-gold);
  border: none;
}

.site-tagline {
  font-size: 0.75rem;
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-parchment);
  letter-spacing: 0.05em;
  text-transform: lowercase;
}

/* Navigation */
.main-navigation ul {
  list-style: none;
  display: flex;
  gap: var(--space-lg);
}

.main-navigation a {
  color: var(--color-cream);
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  padding: var(--space-xs) 0;
  letter-spacing: 0.03em;
  transition: var(--transition);
}

.main-navigation a:hover,
.main-navigation a.current {
  color: var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(to bottom, rgba(60, 74, 58, 0.85) 0%, rgba(60, 74, 58, 0.92) 100%),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="%234A5240"/><path d="M0 0L100 100M100 0L0 100" stroke="%23000000" stroke-width="0.3" opacity="0.1"/></svg>');
  background-size: cover, 100px 100px;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-warm-cream);
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.3rem;
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-cream);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 2px solid;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border-bottom: 2px solid;
}

.btn-primary {
  background: var(--color-olive-green);
  border-color: var(--color-olive-green);
  color: var(--color-cream);
}

.btn-primary:hover {
  background: var(--color-dark-olive);
  border-color: var(--color-dark-olive);
  color: var(--color-cream);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(107, 118, 84, 0.3);
}

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

.btn-secondary:hover {
  background: var(--color-warm-brown);
  color: var(--color-cream);
  border-bottom-color: var(--color-warm-brown);
}

.button-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   CARDS & CONTENT BLOCKS
   ============================================ */
.section {
  padding: var(--space-xl) 0;
}

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

.section-title {
  font-size: 2.5rem;
  color: var(--color-dark-brown);
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 60%;
  height: 3px;
  background: var(--color-bronze);
  margin: var(--space-sm) auto 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(44, 36, 22, 0.05);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(44, 36, 22, 0.12);
  border-color: var(--color-bronze);
}

.card-title {
  font-size: 1.4rem;
  margin-bottom: var(--space-sm);
}

.card-title a {
  color: var(--color-charcoal);
  border: none;
}

.card-title a:hover {
  color: var(--color-burgundy);
}

.card-meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
  font-family: var(--font-accent);
  font-style: italic;
}

.card-excerpt {
  color: var(--color-text);
  line-height: 1.6;
}

/* ============================================
   BOOK DETAIL PAGE
   ============================================ */
.book-header {
  padding: var(--space-xl) 0 var(--space-lg);
  background: linear-gradient(to bottom, var(--color-warm-cream), var(--color-cream));
  border-bottom: 1px solid var(--color-border);
}

.book-title {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  color: var(--color-dark-brown);
}

.book-meta {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: 1rem;
  color: var(--color-text-light);
  font-family: var(--font-accent);
  margin-bottom: var(--space-md);
}

.book-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.book-meta-label {
  font-weight: 600;
  color: var(--color-charcoal);
  font-style: normal;
  font-family: var(--font-body);
}

.difficulty-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-body);
}

.difficulty-beginner {
  background: #d4edda;
  color: #155724;
}

.difficulty-intermediate {
  background: #fff3cd;
  color: #856404;
}

.difficulty-advanced {
  background: #f8d7da;
  color: #721c24;
}

.book-content {
  padding: var(--space-xl) 0;
}

.book-section {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.book-section:last-child {
  border-bottom: none;
}

.book-section h2 {
  color: var(--color-olive-green);
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
  position: relative;
  padding-left: var(--space-md);
}

.book-section h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.3rem;
  width: 4px;
  height: 1.5rem;
  background: var(--color-bronze);
}

/* Affiliate Links Section */
.affiliate-section {
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
}

.affiliate-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.affiliate-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.affiliate-link:hover {
  border-color: var(--color-olive-green);
  box-shadow: 0 2px 8px rgba(107, 118, 84, 0.1);
}

.affiliate-disclosure {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ============================================
   BROWSE/ARCHIVE PAGE
   ============================================ */
.browse-header {
  padding: var(--space-lg) 0;
  background: var(--color-parchment);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.filters {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-charcoal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: white;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-olive-green);
  box-shadow: 0 0 0 3px rgba(107, 118, 84, 0.1);
}

.book-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-parchment);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xl);
  border-top: 4px solid var(--color-gold);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-section h3 {
  color: var(--color-gold);
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

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

.footer-section li {
  margin-bottom: var(--space-sm);
}

.footer-section a {
  color: var(--color-parchment);
  border: none;
}

.footer-section a:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(232, 220, 200, 0.2);
  font-size: 0.9rem;
  color: var(--color-bg-alt);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
  
  .header-content {
    flex-direction: column;
    text-align: center;
  }
  
  .main-navigation ul {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .book-title {
    font-size: 2.2rem;
  }
  
  .card-grid,
  .book-list {
    grid-template-columns: 1fr;
  }
  
  .button-group {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }