/* =========================================================================
   PENTR BLOG — listing cards and post header
   Tokens come from colors_and_type.css. Post bodies use .docs-prose from
   docs.css, and the body carries .docs-body for its --docs-measure and
   --docs-figure widths. No colour is defined here.
   ========================================================================= */

.blog-main { padding-top: var(--s-11); padding-bottom: var(--s-13); }

.blog-back { display: inline-block; margin-bottom: var(--s-8); font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-3); text-decoration: none; }
.blog-back:hover { color: var(--signal); }

.blog-date { display: block; font-family: var(--font-mono); font-size: var(--t-13); color: var(--fg-3); }

.blog-post h1,
.blog-head h1 { margin: var(--s-4) 0 var(--s-5); font-family: var(--font-display); font-size: clamp(2.125rem, 4vw, var(--t-48)); font-weight: var(--w-regular); line-height: var(--lh-tight); letter-spacing: var(--ls-tight); color: var(--fg); }
.blog-head h1 { margin-top: 0; }

.blog-lede { margin: 0 0 var(--s-6); font-size: var(--t-18); line-height: var(--lh-relaxed); color: var(--fg-2); }

/* -------------------------------------------------------------------------
   POST — one column, as wide as a docs figure; text at the docs measure.
   ------------------------------------------------------------------------- */
.blog-post { max-width: var(--docs-figure); margin: 0 auto; }
.blog-post > * { max-width: var(--docs-measure); }
.blog-post > .blog-cover,
.blog-post > .docs-prose { max-width: none; }

.blog-cover { display: block; width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; margin: var(--s-8) 0 var(--s-10); border: 1px solid var(--border-faint); border-radius: var(--r-4); background: var(--bg-elev-1); }

/* -------------------------------------------------------------------------
   BYLINE and AUTHOR BOX
   ------------------------------------------------------------------------- */
.blog-byline { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); margin: 0 0 var(--s-5); font-family: var(--font-mono); font-size: var(--t-13); color: var(--fg-3); }
.blog-byline a { color: var(--fg-2); text-decoration: none; }
.blog-byline a:hover { color: var(--signal); }

.blog-author { margin-top: var(--s-11); padding-top: var(--s-6); border-top: 1px solid var(--border-faint); }
.blog-author p { margin: 0 0 var(--s-3); }
.blog-author-name { font-size: var(--t-16); color: var(--fg); }
.blog-author-name a { color: var(--fg); text-decoration: none; }
.blog-author-name a:hover { color: var(--signal); }
.blog-author-role { margin-left: var(--s-4); font-family: var(--font-mono); font-size: var(--t-13); color: var(--fg-3); }
.blog-author-bio { font-size: var(--t-15); line-height: var(--lh-relaxed); color: var(--fg-2); }
.blog-author-links { font-family: var(--font-mono); font-size: var(--t-13); }
.blog-author-links a { color: var(--fg-2); }
.blog-author-links a:hover { color: var(--signal); }

/* -------------------------------------------------------------------------
   TAGS
   ------------------------------------------------------------------------- */
.blog-tags { display: flex; flex-wrap: wrap; gap: var(--s-3); margin: 0; padding: 0; list-style: none; }
.blog-tags a { display: inline-block; padding: 3px 8px; border: 1px solid var(--border); border-radius: var(--r-2); font-family: var(--font-mono); font-size: var(--t-12); color: var(--fg-2); text-decoration: none; }
.blog-tags a:hover { border-color: var(--signal); color: var(--signal); }

/* -------------------------------------------------------------------------
   LISTING
   ------------------------------------------------------------------------- */
.blog-head { max-width: var(--docs-measure); margin-bottom: var(--s-10); }

.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--s-10) var(--s-8); }
.blog-card { display: flex; flex-direction: column; gap: var(--s-4); }
.blog-card-link { display: flex; flex-direction: column; gap: var(--s-3); color: inherit; text-decoration: none; }
.blog-card-cover { width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; margin-bottom: var(--s-3); border: 1px solid var(--border-faint); border-radius: var(--r-4); background: var(--bg-elev-1); transition: border-color 0.15s; }
.blog-card-link:hover .blog-card-cover { border-color: var(--border-strong); }
.blog-card h2 { margin: 0; font-family: var(--font-display); font-size: var(--t-24); font-weight: var(--w-regular); line-height: 1.2; color: var(--fg); }
.blog-card-link:hover h2 { color: var(--signal); }
.blog-card p { margin: 0; font-size: var(--t-15); line-height: var(--lh-relaxed); color: var(--fg-2); }

.blog-empty { color: var(--fg-3); }

@media (max-width: 640px) {
  .blog-main { padding-top: var(--s-9); }
  .blog-grid { grid-template-columns: 1fr; }
}