* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; line-height: 1.7; max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem; color: #2d2d2d; background: #fafafa; }

/* Navigation */
header nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; border-bottom: 2px solid #222; margin-bottom: 2.5rem; }
header nav .site-name { text-decoration: none; display: flex; align-items: center; }
.site-logo { height: 28px; width: auto; }
header nav .nav-links { display: flex; gap: 1.5rem; }
header nav .nav-links a { text-decoration: none; color: #555; font-size: 0.95rem; }
header nav .nav-links a:hover { color: #111; }

/* Hero */
.hero { margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid #e0e0e0; }
.hero h1 { font-size: 2rem; letter-spacing: -1px; margin-bottom: 0.25rem; }
.tagline { color: #666; font-size: 1.05rem; }

/* Headings */
h1 { font-size: 1.75rem; margin-bottom: 1rem; letter-spacing: -0.5px; }
h2 { font-size: 1.3rem; margin: 2rem 0 0.75rem; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }

/* Text */
p { margin-bottom: 1rem; }
a { color: #0066cc; }
a:hover { color: #004499; }

/* Article cards */
.recent-posts h2 { margin-bottom: 1rem; font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1px; color: #888; font-weight: 600; }
.article-card { padding: 1.25rem 0; border-bottom: 1px solid #eee; }
.article-card h2 { margin: 0 0 0.25rem; font-size: 1.2rem; }
.article-card a { text-decoration: none; color: #222; }
.article-card a:hover { color: #0066cc; }
.article-card .meta { color: #999; font-size: 0.85rem; margin-bottom: 0.25rem; }
.article-card .tags { color: #888; font-size: 0.8rem; }

/* Blog post */
.blog-post .post-header { margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid #eee; }
.blog-post .post-header h1 { margin-bottom: 0.5rem; }
.blog-post .post-content { margin-bottom: 2rem; }
.blog-post .post-content p { margin-bottom: 1rem; }
.blog-post .post-content ul, .blog-post .post-content ol { margin: 1rem 0; padding-left: 1.5rem; }
.blog-post .post-content li { margin-bottom: 0.5rem; }
.blog-post .post-footer { padding-top: 1.5rem; border-top: 1px solid #eee; }
.blog-post .post-footer a { color: #555; text-decoration: none; font-size: 0.9rem; }
.blog-post .post-footer a:hover { color: #111; }
.meta { color: #888; font-size: 0.9rem; }

/* About page */
.about-page h2 { margin-top: 2rem; }

/* Contact links */
.contact-links { list-style: none; padding: 0; }
.contact-links li { padding: 0.4rem 0; }
.contact-links a { color: #0066cc; text-decoration: none; }
.contact-links a:hover { text-decoration: underline; }

/* Code */
code { background: #f0f0f0; padding: 0.15rem 0.4rem; border-radius: 3px; font-size: 0.9em; }
pre { background: #f0f0f0; padding: 1rem; border-radius: 6px; overflow-x: auto; margin: 1rem 0; }
pre code { background: none; padding: 0; }

/* Footer */
footer { margin-top: 3rem; padding-top: 1rem; border-top: 2px solid #222; color: #999; font-size: 0.85rem; }
footer a { color: #999; text-decoration: none; }
footer a:hover { color: #555; }