/* RunSheets blog (blog/index.html + blog/<slug>.html). Layered on top of
   style.css + about.css tokens so light/dark and every palette just work.
   Hand-edited file -- publish-blog.js does not regenerate it. */

.blog-post,
.blog-index {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 1.5rem) 1rem;
}
.blog-index { max-width: 1040px; }

.blog-post-header h1,
.blog-index-header h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  font-weight: 800;
  margin: 0 0 1rem;
  color: var(--text);
}
.blog-post-summary,
.blog-index-header p {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0 0 1rem;
}
.blog-post-meta {
  font-size: .88rem;
  color: var(--text-faint);
  margin: 0;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-soft);
}

/* ---- Table of contents ---- */
.blog-toc {
  margin: 1.75rem 0 2rem;
  padding: 1rem 1.25rem;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  font-size: .93rem;
}
.blog-toc strong { display: block; margin-bottom: .4rem; color: var(--text); }
.blog-toc ol { margin: 0; padding-left: 1.2rem; }
.blog-toc li { margin: .2rem 0; }
.blog-toc a { color: var(--text-dim); text-decoration: none; }
.blog-toc a:hover { color: var(--accent); text-decoration: underline; }

/* ---- Article body ---- */
.blog-post-body {
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--text);
  overflow-wrap: break-word;
}
.blog-post-body h2 {
  font-size: clamp(1.35rem, 2.6vw, 1.7rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 2.6rem 0 .8rem;
  text-align: left;
  scroll-margin-top: 5rem;
}
.blog-post-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 1.8rem 0 .5rem;
  scroll-margin-top: 5rem;
}
.blog-post-body p { margin: 0 0 1.15rem; color: var(--text-dim); }
.blog-post-body ul,
.blog-post-body ol { margin: 0 0 1.25rem; padding-left: 1.4rem; color: var(--text-dim); }
.blog-post-body li { margin: .35rem 0; }
.blog-post-body strong { color: var(--text); }
.blog-post-body a { color: var(--accent); text-underline-offset: 2px; }
.blog-post-body blockquote {
  margin: 1.5rem 0;
  padding: .25rem 0 .25rem 1.1rem;
  border-left: 3px solid var(--accent);
  color: var(--text-dim);
  font-style: italic;
}
.blog-post-body table { width: 100%; border-collapse: collapse; margin: 0 0 1.5rem; font-size: .95rem; display: block; overflow-x: auto; }
.blog-post-body th,
.blog-post-body td { border: 1px solid var(--border-soft); padding: .55rem .7rem; text-align: left; }
.blog-post-body th { background: var(--surface-2); }

/* ---- "How RunSheets Helps" callout ---- */
.blog-callout {
  margin: 2.4rem 0;
  padding: 1.4rem 1.5rem .6rem;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: var(--radius-lg);
}
.blog-callout h2 { margin-top: 0; display: flex; align-items: center; gap: .55rem; }
.blog-callout h2::before {
  content: "";
  width: 1.4rem; height: 1.4rem; flex-shrink: 0;
  border-radius: 6px;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7' stroke='white' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 70% no-repeat;
}
.blog-callout p,
.blog-callout li { color: var(--text); }

/* ---- CTA ---- */
.blog-cta {
  margin: 3rem 0 1rem;
  padding: 2rem 1.5rem;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}
.blog-cta h2 { font-size: clamp(1.3rem, 2.6vw, 1.6rem); font-weight: 800; margin: 0 0 .6rem; }
.blog-cta p { color: var(--text-dim); margin: 0 auto 1.4rem; max-width: 520px; line-height: 1.6; }
.blog-cta-buttons { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }

/* ---- Cards (index + related) ---- */
.blog-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 1.1rem;
  margin-top: 1.5rem;
}
.blog-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.3rem 1.3rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  text-align: left;
  transition: border-color .15s ease, transform .15s ease;
}
.blog-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.blog-card .eyebrow { align-self: flex-start; margin: 0; font-size: .66rem; }
.blog-card h2,
.blog-card h3 { font-size: 1.08rem !important; line-height: 1.35; margin: .2rem 0 0 !important; text-align: left !important; color: var(--text); }
.blog-card p { font-size: .92rem; line-height: 1.55; color: var(--text-dim); margin: 0; flex: 1; }
.blog-card-meta { font-size: .8rem; color: var(--text-faint); }
.blog-related { max-width: 1040px !important; }
.blog-empty { color: var(--text-dim); text-align: center; padding: 2rem 0; }

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