:root {
  --color-bg: #FBF9F6;
  --color-surface: #FFFFFF;
  --color-text: #2D2A26;
  --color-text-muted: #7A756E;
  --color-accent: #E07A3A;
  --color-accent-dark: #C4662E;
  --color-border: #E8E4DF;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --content-width: 720px;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 17px;
}

.site-header { border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.nav { max-width: 1100px; margin: 0 auto; padding: 18px 24px; display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--color-text); text-decoration: none; }
.logo span { color: var(--color-accent); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--color-text-muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.15s; }
.nav-links a:hover { color: var(--color-accent); }

.hero { max-width: var(--content-width); margin: 60px auto 40px; padding: 0 24px; text-align: center; }
.hero h1 { font-family: var(--font-display); font-size: 2.4rem; line-height: 1.2; margin-bottom: 16px; }
.hero p { color: var(--color-text-muted); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

.posts-grid { max-width: 900px; margin: 0 auto 60px; padding: 0 24px; display: grid; gap: 24px; }
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; padding: 28px; transition: border-color 0.15s; }
.card:hover { border-color: var(--color-accent); }
.card h2, .card h3 { font-family: var(--font-display); margin-bottom: 8px; }
.card h2 a, .card h3 a { color: var(--color-text); text-decoration: none; }
.card h2 a:hover, .card h3 a:hover { color: var(--color-accent); }
.card p { color: var(--color-text-muted); font-size: 0.95rem; }
.card-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; font-size: 0.8rem; }
.card-meta time { color: var(--color-text-muted); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 4px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; background: var(--color-accent); color: #fff; text-decoration: none; }

.post { max-width: var(--content-width); margin: 48px auto 60px; padding: 0 24px; }
.post-header { margin-bottom: 40px; }
.post-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; font-size: 0.85rem; }
.post-meta time { color: var(--color-text-muted); }
.reading-time { color: var(--color-text-muted); }
.post h1 { font-family: var(--font-display); font-size: 2.2rem; line-height: 1.2; margin-bottom: 12px; }
.post-description { color: var(--color-text-muted); font-size: 1.05rem; line-height: 1.6; }

.toc { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; padding: 24px 28px; margin-bottom: 40px; }
.toc h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); margin-bottom: 12px; }
.toc ul { list-style: none; }
.toc li { padding: 4px 0; }
.toc a { color: var(--color-text-muted); text-decoration: none; font-size: 0.9rem; }
.toc a:hover { color: var(--color-accent); }

.post-content h2 { font-family: var(--font-display); font-size: 1.5rem; margin: 40px 0 16px; }
.post-content h3 { font-size: 1.2rem; margin: 32px 0 12px; }
.post-content p { margin-bottom: 16px; }
.post-content a { color: var(--color-accent); }
.post-content ul, .post-content ol { margin: 0 0 16px 24px; }
.post-content li { margin-bottom: 6px; }
.post-content strong { font-weight: 600; }
.post-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 0.9rem; }
.post-content th { background: var(--color-surface); border: 1px solid var(--color-border); padding: 10px 14px; text-align: left; font-weight: 600; }
.post-content td { border: 1px solid var(--color-border); padding: 10px 14px; }

.cta-box { background: var(--color-surface); border: 2px solid var(--color-accent); border-radius: 8px; padding: 24px; margin: 28px 0; }
.cta-box h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 6px; }
.cta-box p { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 14px; }
.btn { display: inline-block; background: var(--color-accent); color: #fff; padding: 10px 22px; border-radius: 6px; font-weight: 600; font-size: 0.9rem; text-decoration: none; transition: background 0.15s; }
.btn:hover { background: var(--color-accent-dark); text-decoration: none; }

.disclosure { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--color-border); font-size: 0.82rem; color: var(--color-text-muted); }
.post-tags { margin-top: 24px; display: flex; gap: 8px; flex-wrap: wrap; }
.post-tags a { color: var(--color-text-muted); font-size: 0.8rem; text-decoration: none; }

.related-posts { max-width: 900px; margin: 0 auto 60px; padding: 0 24px; }
.related-posts h2 { font-family: var(--font-display); margin-bottom: 20px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }

.archive { max-width: 900px; margin: 48px auto; padding: 0 24px; }
.archive h1 { font-family: var(--font-display); margin-bottom: 28px; }

.site-footer { border-top: 1px solid var(--color-border); padding: 24px; text-align: center; font-size: 0.8rem; color: var(--color-text-muted); }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.8rem; }
  .post h1 { font-size: 1.7rem; }
  .nav { flex-direction: column; gap: 12px; }
}