/* www.xeus.io/blog. Layered on marketing.css tokens. Text-first: no JS, no
   external fonts beyond the ones the rest of the site already loads. */

.blog-page {
  max-width: 1200px;
  margin: 0 auto;
  /* 96px clears the fixed pill header (see .xc-page in marketing.css). */
  padding: calc(96px + var(--s-7)) var(--s-6) var(--s-11);
  /* .xc-page sets overflow: hidden to clip its glow, which also turns the page
     into a scroll container and kills position: sticky. clip clips without that. */
  overflow: clip;
}
.blog-page a { text-decoration: none; }
.blog-page .x-eyebrow { display: block; margin-bottom: var(--s-3); }
.blog-page .lead { color: var(--fg-2); max-width: 760px; margin: var(--s-4) 0 0; }

/* Header active state (the shared nav has no notion of a current page). */
.xpill-links a.is-active { color: var(--fg-1); box-shadow: inset 0 -2px 0 var(--xeus-lime); }

/* Hero + pillar pills */
.blog-hero { padding-bottom: var(--s-7); border-bottom: 1px solid var(--border-1); }
.blog-hero .x-h1 { max-width: 980px; margin: 0; }
.blog-crumbs { display: flex; gap: var(--s-2); font: 400 var(--fs-caption)/1 var(--font-mono); color: var(--fg-3); margin-bottom: var(--s-5); }
.blog-crumbs a { color: var(--fg-3); }
.blog-crumbs a:hover { color: var(--fg-1); }
.blog-pills { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-6); font: 500 var(--fs-caption)/1 var(--font-mono); }
.blog-pills a { padding: 9px 12px; border: 1px solid var(--border-2); border-radius: var(--r-pill); color: var(--fg-2); white-space: nowrap; }
.blog-pills a span { color: var(--fg-3); margin-left: 4px; }
.blog-pills a:hover { border-color: var(--border-3); color: var(--fg-1); }
.blog-pills a.is-active { background: var(--xeus-lime); border-color: var(--xeus-lime); color: var(--xeus-black); }
.blog-pills a.is-active span { color: rgba(10, 11, 13, 0.6); }

/* Two-column shell */
.blog-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--s-10); padding-top: var(--s-8); }
.blog-main { min-width: 0; }
.blog-aside { display: flex; flex-direction: column; gap: var(--s-7); }

/* Featured ("Start here") */
.blog-featured { display: flex; flex-direction: column; gap: var(--s-3); padding-bottom: var(--s-7); }
.blog-featured-title { margin: 0; font: 700 clamp(26px, 3vw, 34px)/1.15 var(--font-display); letter-spacing: var(--tracking-heading); }
.blog-featured-title a { color: var(--fg-1); }
.blog-featured-title a:hover { color: var(--xeus-lime); }
.blog-featured-dek { margin: 0; font-size: 17px; line-height: var(--lh-body); color: var(--fg-2); max-width: 720px; }
.blog-page .xs-rule { height: 1px; background: var(--border-1); margin: 0 0 var(--s-2); }

.blog-kicker { display: inline-block; font: 500 var(--fs-eyebrow)/1 var(--font-mono); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--fg-3); }
.blog-kicker:hover { color: var(--fg-1); }
.blog-kicker--lime { color: var(--xeus-lime); }

.blog-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); font-size: var(--fs-body-s); color: var(--fg-3); }
.blog-meta a { color: var(--fg-2); }
.blog-meta a:hover { color: var(--fg-1); }

/* Rows (the Hacker News list) */
.blog-rows { display: flex; flex-direction: column; }
.blog-row { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: var(--s-6); padding: var(--s-6) 0; border-bottom: 1px solid var(--border-1); }
.blog-row-body { display: flex; flex-direction: column; gap: var(--s-2); min-width: 0; }
.blog-row-title { margin: 0; font: 600 21px/1.25 var(--font-display); letter-spacing: var(--tracking-heading); }
.blog-row-title a { color: var(--fg-1); }
.blog-row-title a:hover { color: var(--xeus-lime); }
.blog-row-dek { margin: 0; font-size: 14px; line-height: var(--lh-body); color: var(--fg-2); }
.blog-thumb { display: block; width: 160px; height: 100px; border-radius: var(--r-sm); overflow: hidden; border: 1px solid var(--border-1); background: var(--xeus-ink); }
.blog-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.blog-thumb--empty { display: flex; align-items: center; justify-content: center; padding: var(--s-3); text-align: center; font: 500 var(--fs-eyebrow)/1.3 var(--font-mono); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--fg-4); }
.blog-empty { color: var(--fg-3); }

.blog-pagination { display: flex; justify-content: space-between; align-items: center; padding-top: var(--s-6); font-size: var(--fs-body); color: var(--fg-2); }
.blog-pagination a { color: var(--fg-1); }
.blog-pagination a:hover { color: var(--xeus-lime); }
.blog-pagination .is-disabled { color: var(--fg-4); }
.blog-pagination .x-mono { font-size: var(--fs-caption); color: var(--fg-3); }

/* Sidebar modules */
.blog-box { padding: var(--s-5); border: 1px solid var(--border-1); border-radius: var(--r-lg); background: rgba(255, 255, 255, 0.02); }
.blog-pillars a { display: flex; justify-content: space-between; padding: var(--s-3) 0; border-top: 1px solid var(--border-1); color: var(--fg-1); font-size: var(--fs-body); }
.blog-pillars a:last-child { border-bottom: 1px solid var(--border-1); }
.blog-pillars a:hover { color: var(--xeus-lime); }
.blog-pillars .x-mono { color: var(--fg-3); font-size: var(--fs-caption); }
.blog-authors { display: flex; flex-direction: column; gap: var(--s-3); }
.blog-author-chip { display: flex; align-items: center; gap: var(--s-3); color: var(--fg-1); }
.blog-author-chip img, .blog-avatar-empty { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; background: var(--xeus-ink); border: 1px solid var(--border-2); flex-shrink: 0; }
.blog-author-chip > span { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.blog-author-chip strong { font-weight: 600; font-size: var(--fs-body); }
.blog-author-chip > span > span { font-size: var(--fs-body-s); color: var(--fg-3); }
.blog-author-chip:hover strong { color: var(--xeus-lime); }
.blog-author-link { display: inline-block; margin-top: var(--s-3); font-size: var(--fs-body-s); color: var(--fg-2); text-decoration: underline; text-underline-offset: 3px; }
.blog-author-link:hover { color: var(--fg-1); }
.blog-rss { display: inline-flex; align-items: center; gap: var(--s-2); font-size: var(--fs-body-s); color: var(--fg-2); }
.blog-rss:hover { color: var(--fg-1); }
.blog-newsletter label { display: block; font-size: var(--fs-caption); color: var(--fg-3); margin: var(--s-3) 0 var(--s-2); }
.blog-newsletter-row { display: flex; gap: var(--s-2); }
.blog-newsletter input { flex: 1 1 auto; min-width: 0; height: 44px; padding: 0 var(--s-3); background: var(--xeus-black); border: 1px solid var(--border-2); border-radius: var(--r-md); color: var(--fg-1); font: inherit; font-size: 14px; }
.blog-newsletter input:focus { outline: 2px solid var(--xeus-lime); outline-offset: 1px; border-color: transparent; }

/* CTA placements: card (sidebar), band (mid-post), close (end of post) */
.blog-cta { display: flex; flex-direction: column; gap: var(--s-4); padding: var(--s-5); border: 1px solid var(--border-3); border-radius: var(--r-lg); }
.blog-offer-copy { display: flex; flex-direction: column; gap: var(--s-1); }
.blog-offer-title { font: 600 18px/1.3 var(--font-display); color: var(--fg-1); }
.blog-offer-body { font-size: 14px; line-height: var(--lh-body); color: var(--fg-2); }
.blog-cta .btn { align-self: flex-start; min-height: 44px; }
/* .blog-article a (below) would otherwise outrank .btn-primary inside a post. */
.blog-article .blog-cta a.btn { color: var(--xeus-black); text-decoration: none; }
.blog-cta--band { flex-direction: row; align-items: center; justify-content: space-between; gap: var(--s-6); margin: var(--s-8) 0; border-color: var(--border-lime); background: var(--xeus-lime-faint); }
.blog-cta--band .blog-offer-body { display: none; }
.blog-cta--close { margin-top: var(--s-9); }

/* Post page */
.blog-post-head { padding-bottom: var(--s-7); border-bottom: 1px solid var(--border-1); }
.blog-post-head .x-h1 { max-width: 900px; margin: 0; }
.blog-byline { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-4); margin-top: var(--s-6); }
.blog-dates { display: flex; flex-wrap: wrap; gap: var(--s-4); font-size: var(--fs-caption); color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.08em; }
.blog-post-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--s-10); padding-top: var(--s-8); }
.blog-post-aside { display: flex; flex-direction: column; gap: var(--s-6); }
.blog-toc { position: sticky; top: 96px; }
.blog-toc ol { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; }
.blog-toc li { border-top: 1px solid var(--border-1); }
.blog-toc a { display: block; padding: var(--s-2) 0; font-size: var(--fs-body-s); line-height: 1.4; color: var(--fg-2); }
.blog-toc a:hover { color: var(--fg-1); }
.blog-related { display: flex; flex-direction: column; gap: var(--s-3); }
.blog-related a { display: flex; flex-direction: column; gap: var(--s-1); padding-top: var(--s-3); border-top: 1px solid var(--border-1); color: var(--fg-1); }
.blog-related a strong { font-weight: 600; font-size: var(--fs-body); line-height: 1.35; }
.blog-related a:hover strong { color: var(--xeus-lime); }

/* Article body: markdown output */
.blog-article { min-width: 0; max-width: 720px; font-size: 17px; line-height: 1.65; color: var(--fg-1); }
.blog-article > p, .blog-article > ul, .blog-article > ol, .blog-article > blockquote, .blog-article > pre, .blog-article > table, .blog-article > figure { margin: 0 0 var(--s-6); }
.blog-article > h2 { margin: var(--s-9) 0 var(--s-4); font: 600 var(--fs-h2)/var(--lh-heading) var(--font-display); letter-spacing: var(--tracking-heading); scroll-margin-top: 96px; }
.blog-article > h2:first-child { margin-top: 0; }
.blog-article > h3 { margin: var(--s-7) 0 var(--s-3); font: 600 var(--fs-h3)/var(--lh-heading) var(--font-display); }
.blog-article a { color: var(--fg-1); text-decoration: underline; text-decoration-color: var(--border-3); text-underline-offset: 3px; }
.blog-article a:hover { text-decoration-color: var(--xeus-lime); }
.blog-article strong { font-weight: 700; }
.blog-article ul, .blog-article ol { padding-left: 1.4em; }
.blog-article li { margin-bottom: var(--s-2); }
.blog-article li::marker { color: var(--fg-3); }
.blog-article blockquote { padding: var(--s-4) var(--s-5); border-left: 2px solid var(--xeus-lime); background: rgba(255, 255, 255, 0.02); color: var(--fg-2); font-style: normal; }
.blog-article blockquote p { margin: 0; }
.blog-article code { font: 400 0.9em/1.4 var(--font-mono); background: rgba(255, 255, 255, 0.06); padding: 2px 5px; border-radius: var(--r-xs); }
.blog-article pre { padding: var(--s-4); background: var(--xeus-ink); border: 1px solid var(--border-1); border-radius: var(--r-md); overflow-x: auto; font: 400 var(--fs-mono)/var(--lh-mono) var(--font-mono); }
.blog-article pre code { background: none; padding: 0; font-size: inherit; }
.blog-article img { max-width: 100%; height: auto; border-radius: var(--r-md); border: 1px solid var(--border-1); }
.blog-article hr { border: 0; border-top: 1px solid var(--border-1); margin: var(--s-8) 0; }
.blog-article table { width: 100%; border-collapse: collapse; font-size: 15px; }
.blog-article th { text-align: left; padding: var(--s-3); font: 500 var(--fs-eyebrow)/1.3 var(--font-mono); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--fg-3); border-bottom: 1px solid var(--border-2); }
.blog-article td { padding: var(--s-3); border-bottom: 1px solid var(--border-1); vertical-align: top; }
.blog-article td:first-child { color: var(--fg-1); font-weight: 600; }

/* FAQ, native <details>, no script */
.blog-faq { margin-top: var(--s-9); }
.blog-faq h2 { margin: 0 0 var(--s-4); font: 600 var(--fs-h2)/var(--lh-heading) var(--font-display); letter-spacing: var(--tracking-heading); scroll-margin-top: 96px; }
.blog-faq details { border-top: 1px solid var(--border-1); }
.blog-faq details:last-of-type { border-bottom: 1px solid var(--border-1); }
.blog-faq summary { cursor: pointer; padding: var(--s-4) 0; font-weight: 600; font-size: var(--fs-body-l); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: var(--s-4); }
.blog-faq summary::-webkit-details-marker { display: none; }
.blog-faq summary::after { content: "+"; font: 400 20px/1 var(--font-mono); color: var(--fg-3); }
.blog-faq details[open] summary::after { content: "\2013"; }
.blog-faq details p { margin: 0 0 var(--s-4); color: var(--fg-2); }

/* Author page */
.blog-author-hero { display: flex; gap: var(--s-6); align-items: center; }
.blog-author-hero img, .blog-author-hero .blog-avatar-empty { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; }
.blog-author-hero .x-h1 { margin: 0; }
.blog-author-bio { margin-top: var(--s-6); max-width: 720px; color: var(--fg-2); }
.blog-author-bio p { margin: 0 0 var(--s-3); }

/* Footer overrides so the shared footer reads right without inline styles */
.blog-footer { border-top: 1px solid var(--border-1); }
.blog-footer-top { display: grid; grid-template-columns: 1fr auto auto; gap: var(--s-9); align-items: start; }
.blog-footer-blurb { color: var(--fg-3); max-width: 320px; margin-top: var(--s-4); }
.blog-footer-label { color: var(--fg-3); }
.blog-footer ul { list-style: none; margin: var(--s-3) 0 0; padding: 0; display: flex; flex-direction: column; gap: var(--s-2); }
.blog-footer ul a { color: var(--fg-2); }
.blog-footer ul a:hover { color: var(--fg-1); }
.blog-footer .x-footer-bottom .x-mono { color: var(--fg-3); }

/* Phone */
@media (max-width: 960px) {
  .blog-grid, .blog-post-grid { grid-template-columns: minmax(0, 1fr); gap: var(--s-8); }
  .blog-toc { position: static; }
  .blog-footer-top { grid-template-columns: 1fr; gap: var(--s-6); }
}
@media (max-width: 640px) {
  .blog-page { padding: calc(80px + var(--s-5)) var(--s-4) var(--s-9); }
  .blog-pills { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: var(--s-2); scrollbar-width: none; }
  .blog-pills::-webkit-scrollbar { display: none; }
  .blog-row { grid-template-columns: 96px minmax(0, 1fr); gap: var(--s-4); padding: var(--s-4) 0; }
  .blog-thumb { width: 96px; height: 64px; }
  .blog-row-dek { display: none; }
  .blog-row-title { font-size: 16px; line-height: 1.3; }
  .blog-featured-title { font-size: 24px; }
  .blog-cta--band { flex-direction: column; align-items: stretch; }
  .blog-cta--band .btn { align-self: stretch; text-align: center; }
  .blog-article { font-size: 16px; }
  .blog-article table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}