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

/* Typography */
body {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 17px;
  line-height: 1.7;
  color: #333;
  background: #fafafa;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: Georgia, serif;
  color: #1a1a1a;
  line-height: 1.3;
}

h1 { font-size: 32px; font-weight: normal; margin: 0 0 8px; }
h2 { font-size: 24px; margin: 40px 0 16px; }
h3 { font-size: 20px; margin: 32px 0 12px; }

a { color: #0066cc; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.container { width: 100%; max-width: 640px; margin: 0 auto; padding: 0 20px; }
.container-wide { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Navigation */
.site-nav {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  padding: 16px 0;
  border-bottom: 1px solid #e0e0e0;
  margin-bottom: 40px;
}

.site-nav .nav-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-nav.nav-wide .nav-inner {
  max-width: 1100px;
}

.site-name { color: #1a1a1a; font-weight: normal; }
.site-name:hover { text-decoration: none; color: #0066cc; }

.nav-links { display: flex; gap: 20px; }
.nav-links a { color: #666; }
.nav-links a:hover { color: #0066cc; }
.nav-links a.active { color: #1a1a1a; font-weight: 700; }

/* Blog index */
.post-list { list-style: none; padding: 0; margin: 0; }

.post-item {
  padding: 20px 0;
  border-bottom: 1px solid #e0e0e0;
}

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

.post-date {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  color: #999;
  display: block;
  margin-bottom: 4px;
}

.post-title {
  font-size: 18px;
  font-weight: normal;
  margin: 0;
}

.post-title a { color: #0066cc; }
.post-title a:hover { text-decoration: underline; }

.post-summary {
  font-size: 15px;
  color: #555;
  margin: 6px 0 0;
}

/* Blog post */
.post-header { margin-bottom: 32px; }
.post-header h1 { font-size: 32px; margin-bottom: 8px; }
.post-header .post-date { margin-bottom: 0; }

.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 24px 0;
}

.post-content blockquote {
  border-left: 3px solid #e0e0e0;
  margin: 24px 0;
  padding: 0 0 0 20px;
  color: #555;
}

/* Code blocks */
.post-content code {
  font-family: Menlo, Monaco, 'Courier New', monospace;
  font-size: 14px;
  background: #f5f5f5;
  padding: 2px 5px;
  border-radius: 3px;
}

.post-content pre {
  background: #f5f5f5;
  padding: 16px;
  border-radius: 4px;
  overflow-x: auto;
  line-height: 1.5;
}

.post-content pre code {
  background: none;
  padding: 0;
  font-size: 14px;
}

/* Projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  padding: 24px 0 60px;
}

.project-card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 200ms ease, border-color 200ms ease;
  text-decoration: none;
  color: inherit;
  display: block;
}

.project-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border-color: #ccc;
  text-decoration: none;
}

.project-card .thumb {
  aspect-ratio: 16/9;
  width: 100%;
  display: block;
  object-fit: cover;
}

.project-card .card-body { padding: 16px; }

.project-card .card-title {
  font-size: 17px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 6px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.project-card .card-desc {
  font-size: 14px;
  color: #666;
  margin: 0 0 10px;
  line-height: 1.5;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.project-tag {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #f0f0f0;
  color: #555;
  border: 1px solid #e0e0e0;
}

/* Individual project page */
.project-content { max-width: 1100px; }

.breadcrumb {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  color: #999;
  margin-bottom: 24px;
}

.breadcrumb a { color: #0066cc; }

.project-meta {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  color: #999;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin: 12px 0 32px;
}

.project-meta span { display: inline; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
  margin: 24px 0;
}

.tech-stack { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }

.tech-badge {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #f0f0f0;
  color: #555;
  border: 1px solid #e0e0e0;
}

.project-nav {
  display: flex;
  justify-content: space-between;
  padding: 32px 0;
  border-top: 1px solid #e0e0e0;
  margin-top: 48px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
}

/* Share links */
.share-links {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  padding: 32px 0;
  border-top: 1px solid #e0e0e0;
  margin-top: 48px;
  color: #999;
}

.share-links a { margin-right: 16px; }

/* Comments */
.comments-section {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid #e0e0e0;
}

/* Footer */
.site-footer {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  color: #999;
  border-top: 1px solid #e0e0e0;
  padding: 28px 0 40px;
  margin-top: 60px;
}

.site-footer a { color: #0066cc; }

/* Video */
.video-embed {
  max-width: 100%;
  margin: 24px 0;
}

.video-embed video {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

/* 404 */
.not-found {
  text-align: center;
  padding: 80px 0;
}

/* Responsive */
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; }
  .project-meta { flex-direction: column; gap: 8px; }
  .site-nav .nav-inner { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .project-card { transition: none; }
}