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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 18px;
  line-height: 1.7;
  color: #1a1a1a;
  background: #fff;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  padding: 1.5rem 0;
  border-bottom: 1px solid #e0e0e0;
}

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

header .site-name {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo {
  height: 2rem;
  width: auto;
}

header .nav-links a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: #555;
}

header .nav-links a:hover {
  color: #1a1a1a;
}

main {
  padding: 2rem 0;
}

footer {
  padding: 1.5rem 0;
  border-top: 1px solid #e0e0e0;
  color: #888;
  font-size: 0.85rem;
}

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

a:hover {
  text-decoration: underline;
}

/* Landing page */
.landing h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.landing .bio {
  font-size: 1.1rem;
  color: #555;
  margin-bottom: 1.5rem;
}

.landing .social-links a {
  margin-right: 1rem;
}

/* Blog list */
.blog-list article {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #f0f0f0;
}

.blog-list article:last-child {
  border-bottom: none;
}

.blog-list .article-title {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.blog-list .article-meta {
  font-size: 0.85rem;
  color: #888;
}

.blog-list .article-meta .translation-link {
  margin-left: 0.5rem;
}

/* Article page */
.article-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.article-meta {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 2rem;
}

.article-meta .translation-link {
  margin-left: 0.75rem;
}

.article-body h2 {
  font-size: 1.5rem;
  margin: 2rem 0 0.75rem;
}

.article-body h3 {
  font-size: 1.25rem;
  margin: 1.5rem 0 0.5rem;
}

.article-body p {
  margin-bottom: 1rem;
}

.article-body blockquote {
  border-left: 3px solid #e0e0e0;
  padding-left: 1rem;
  color: #555;
  margin: 1rem 0;
}

.article-body pre {
  background: #f5f5f5;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.article-body code {
  background: #f5f5f5;
  padding: 0.15em 0.3em;
  border-radius: 3px;
  font-size: 0.9em;
}

.article-body pre code {
  background: none;
  padding: 0;
}

.article-body ul, .article-body ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.25rem;
}

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

.back-link {
  margin-top: 2rem;
  display: inline-block;
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .landing h1 { font-size: 2rem; }
  .article-header h1 { font-size: 1.5rem; }
}