:root {
  --yellow: #FFFA52;
  --ink: #1C1C1C;
  --ink-soft: #3F3F3F;
  --gray: #7C7C7C;
  --ice: #F1F8FF;
  --sky: #98C0E7;
  --paper: #F5F5F3;
  --card: #FEFEFE;
  --line: #E8E8E4;
  --radius: 22px;
  --font-sans: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 28px; }
.wrap-wide { max-width: 1080px; margin: 0 auto; padding: 0 28px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-header .nav { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.site-header .brand { font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; }
.site-header .brand .dot { color: var(--sky); }
.site-header nav a { font-size: 0.95rem; color: var(--ink-soft); margin-left: 26px; }
.site-header nav a:hover { color: var(--ink); }

/* Hero */
.blog-hero { padding: 72px 0 40px; }
.blog-hero .eyebrow { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--gray); display: inline-flex; align-items: center; gap: 8px; }
.blog-hero .eyebrow::before { content: ""; width: 10px; height: 10px; background: var(--yellow); display: inline-block; }
.blog-hero h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 800; letter-spacing: -0.03em; margin: 16px 0 12px; }
.blog-hero p { font-size: 1.1rem; color: var(--ink-soft); max-width: 560px; }

/* Post list */
.post-list { padding: 20px 0 90px; display: flex; flex-direction: column; gap: 4px; }
.post-item { display: block; padding: 28px 0; border-bottom: 1px solid var(--line); transition: padding-left 0.18s ease; }
.post-item:hover { padding-left: 8px; }
.post-item .meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--gray); margin-bottom: 8px; }
.post-item h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.post-item p { color: var(--ink-soft); font-size: 1rem; }
.post-item .tags { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); background: var(--ice); padding: 3px 10px; border-radius: 6px; }

/* Article */
.article { padding: 60px 0 90px; }
.article .meta { font-family: var(--font-mono); font-size: 0.8rem; color: var(--gray); margin-bottom: 14px; }
.article h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 20px; }
.article .lede { font-size: 1.2rem; color: var(--ink-soft); margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.article-body h2 { font-size: 1.6rem; font-weight: 700; margin: 40px 0 14px; letter-spacing: -0.02em; }
.article-body h3 { font-size: 1.25rem; font-weight: 700; margin: 30px 0 10px; }
.article-body p { margin-bottom: 20px; font-size: 1.08rem; }
.article-body ul, .article-body ol { margin: 0 0 20px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body code { font-family: var(--font-mono); background: var(--ice); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }
.article-body pre { background: var(--ink); color: #f5f5f5; padding: 20px; border-radius: 12px; overflow-x: auto; margin-bottom: 24px; }
.article-body pre code { background: none; padding: 0; color: inherit; }
.article-body blockquote { border-left: 3px solid var(--yellow); padding-left: 20px; color: var(--ink-soft); font-style: italic; margin: 0 0 20px; }
.article-body a { border-bottom: 2px solid var(--yellow); }
.back-link { font-family: var(--font-mono); font-size: 0.85rem; color: var(--gray); display: inline-block; margin-bottom: 30px; }
.back-link:hover { color: var(--ink); }

/* CTA back to main site */
.blog-cta { background: var(--ink); color: #fff; border-radius: var(--radius); padding: 44px; text-align: center; margin: 40px 0 0; }
.blog-cta h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 10px; }
.blog-cta p { color: #bdbdbd; margin-bottom: 22px; }
.blog-cta a { background: var(--yellow); color: var(--ink); font-weight: 700; padding: 13px 26px; border-radius: 100px; display: inline-block; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--gray); font-size: 0.9rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (max-width: 560px) {
  .site-header nav a { margin-left: 16px; font-size: 0.85rem; }
  .blog-cta { padding: 32px 22px; }
}