/* Toni Yap - Author Website
   Fresh design inspired by Ghost Source theme
   ------------------------------------------ */

/* CSS Variables - Dark Theme */
:root {
  --color-primary: #f0f0f0;
  --color-secondary: #a0a0a0;
  --color-accent: #5a9bd8;
  --color-bg: #15171a;
  --color-surface: #1e2025;
  --color-border: rgba(255, 255, 255, 0.1);
  --font-serif: 'EB Garamond', Georgia, Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --container-width: 1200px;
  --content-width: 720px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
}

html {
  font-size: 62.5%;
}

body {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  line-height: 1.7;
  color: var(--color-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.7;
}

/* Layout */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */
.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.site-logo {
  font-family: var(--font-sans);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-logo img {
  height: 48px;
  width: auto;
}

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

.site-nav a {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
}

.site-nav a:hover {
  color: var(--color-primary);
  opacity: 1;
}

/* Hero */
.hero {
  padding: 80px 0;
  text-align: center;
  background: var(--color-surface);
}

.hero h1 {
  font-size: 4.8rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero p {
  font-size: 2.2rem;
  color: var(--color-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Article Cards */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 48px;
  padding: 60px 0;
}

.article-card {
  display: flex;
  flex-direction: column;
}

.article-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 20px;
  background: var(--color-surface);
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s;
}

.article-card:hover .article-card-image img {
  transform: scale(1.02);
}

.article-card-tag {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.article-card h2 {
  font-size: 2.4rem;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 12px;
}

.article-card p {
  font-size: 1.6rem;
  color: var(--color-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.article-card-meta {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  color: var(--color-secondary);
  margin-top: 16px;
}

/* Single Article */
.article-header {
  padding: 60px 0 40px;
  text-align: center;
}

.article-header .article-tag {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: inline-block;
}

.article-header h1 {
  font-size: 4.4rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.article-header .article-excerpt {
  font-size: 2.2rem;
  color: var(--color-secondary);
  max-width: 700px;
  margin: 0 auto 24px;
}

.article-meta {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  color: var(--color-secondary);
}

.article-meta time {
  margin-right: 16px;
}

.article-feature-image {
  margin-bottom: 48px;
}

.article-feature-image img {
  max-width: 50%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
}

.article-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px 60px;
}

.article-content p {
  margin-bottom: 24px;
}

.article-content h2 {
  font-size: 3rem;
  margin: 48px 0 24px;
}

.article-content h3 {
  font-size: 2.4rem;
  margin: 36px 0 20px;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--color-secondary);
}

.article-content img {
  margin: 32px auto;
  border-radius: 4px;
}

/* Page */
.page-header {
  padding: 60px 0 40px;
  text-align: center;
}

.page-header h1 {
  font-size: 4rem;
  font-weight: 400;
}

.page-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px 60px;
}

.page-content p {
  margin-bottom: 24px;
}

/* Books Section */
.book-showcase {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
  margin: 40px 0;
}

.book-cover img {
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.book-info h2 {
  font-size: 3.2rem;
  margin-bottom: 16px;
}

.book-info .tagline {
  font-size: 2rem;
  color: var(--color-secondary);
  font-style: italic;
  margin-bottom: 24px;
}

.book-info p {
  margin-bottom: 20px;
}

.book-buy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.book-buy-links a img {
  height: 48px;
  width: auto;
  transition: transform 0.2s;
}

.book-buy-links a:hover img {
  transform: translateY(-2px);
}

.award-badge {
  display: inline-block;
  margin-top: 24px;
}

.award-badge img {
  height: 80px;
}

/* Blog List */
.blog-list {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.blog-list-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.blog-list-item:first-child {
  padding-top: 0;
}

.blog-list-image {
  flex-shrink: 0;
  width: 160px;
  height: 120px;
  overflow: hidden;
  border-radius: 4px;
}

.blog-list-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.blog-list-item:hover .blog-list-image img {
  transform: scale(1.05);
}

.blog-list-content h2 {
  font-size: 2.2rem;
  margin-bottom: 6px;
}

.blog-list-content h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.blog-list-content h2 a:hover {
  color: var(--color-primary);
}

.blog-list-content p {
  color: var(--color-secondary);
  margin-top: 8px;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 40px 0;
  font-family: var(--font-sans);
  font-size: 1.4rem;
}

.pagination a {
  color: var(--color-primary);
  text-decoration: none;
}

.pagination a:hover {
  text-decoration: underline;
}

.pagination-info {
  color: var(--color-secondary);
}

/* Book Card (for books index) */
.book-card {
  display: flex;
  gap: 32px;
  margin: 32px auto;
  max-width: var(--content-width);
  padding: 0 24px;
}

.book-card-thumbnail {
  flex-shrink: 0;
  width: 160px;
}

.book-card-thumbnail img {
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.book-card-info h2 {
  font-size: 2.6rem;
  margin-bottom: 8px;
}

.book-card-info h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.book-card-info h2 a:hover {
  color: var(--color-primary);
}

.book-card-info .book-tagline {
  font-style: italic;
  color: var(--color-secondary);
  margin-bottom: 12px;
}

.book-card-info p {
  margin-bottom: 12px;
}

.book-card-info .book-card-link {
  color: var(--color-primary);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.book-card-info .book-card-link:hover {
  text-decoration: underline;
}

/* Tag Archive */
.tag-header {
  padding: 60px 0 20px;
  text-align: center;
}

.tag-header h1 {
  font-size: 3.6rem;
  font-weight: 400;
}

.tag-header p {
  font-size: 1.8rem;
  color: var(--color-secondary);
  margin-top: 12px;
}

/* Footer */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  margin-top: 60px;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.social-links {
  display: flex;
  gap: 20px;
}

.social-links a {
  color: var(--color-secondary);
  font-size: 2rem;
}

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

.copyright {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  color: var(--color-secondary);
  text-align: center;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .site-header .container {
    flex-direction: column;
    gap: 16px;
  }

  .site-nav {
    gap: 20px;
  }

  .hero {
    padding: 48px 0;
  }

  .hero h1 {
    font-size: 3.2rem;
  }

  .hero p {
    font-size: 1.8rem;
  }

  .article-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 0;
  }

  .article-header h1 {
    font-size: 3rem;
  }

  .blog-list-item {
    flex-direction: column;
    gap: 12px;
  }

  .blog-list-image {
    width: 100%;
    height: 180px;
  }

  .book-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .book-card-thumbnail {
    width: 140px;
  }

  .book-showcase {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .book-cover {
    max-width: 250px;
    margin: 0 auto;
  }

  .book-buy-links {
    justify-content: center;
  }
}

/* Hamburger Menu (mobile) */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
}

@media (max-width: 600px) {
  .site-header .container {
    position: relative;
  }

  .menu-toggle {
    display: block;
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
  }

  .site-nav.active {
    display: flex;
  }
}

/* Utility Classes */
.section-title {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.read-more {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-accent);
}

.read-more:hover {
  opacity: 1;
  text-decoration: underline;
}