/* Blog listing styles (extracted from the inline <style> in blog/index.html
   so generated listing pages — category & pagination — can share them). */
  /* ===== Blog index ===== */
  .blog-head {
    padding: calc(var(--nav-h) + 90px) var(--gutter) clamp(35px, 5vh, 58px);
    background: var(--paper);
  }
  .blog-head__inner { max-width: var(--max); margin: 0 auto; }

  /* Featured post */
  .feat-post {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: clamp(28px, 4vw, 60px);
    align-items: center;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    transition: box-shadow 480ms var(--ease-out), border-color 480ms var(--ease-out);
  }
  .feat-post:hover { box-shadow: 0 30px 70px rgba(10, 12, 18, 0.12); border-color: transparent; }
  .feat-post__img { align-self: stretch; overflow: hidden; background: var(--bg-2); }
  .feat-post__img img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; transition: transform 800ms var(--ease-out); }
  .feat-post:hover .feat-post__img img { transform: scale(1.04); }
  .feat-post__body { padding: clamp(28px, 3vw, 52px) clamp(28px, 3vw, 52px) clamp(28px, 3vw, 52px) 0; }
  @media (max-width: 860px) {
    .feat-post { grid-template-columns: 1fr; }
    .feat-post__img img { min-height: 240px; }
    .feat-post__body { padding: 28px; }
  }

  /* Filter row */
  .blog-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
  }

  /* Post grid + cards */
  .post-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  @media (max-width: 900px) { .post-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 600px) { .post-grid { grid-template-columns: 1fr; } }

  .post-card {
    display: flex;
    flex-direction: column;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 480ms var(--ease-out), box-shadow 480ms var(--ease-out), border-color 480ms var(--ease-out);
    will-change: transform;
  }
  .post-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 50px rgba(10, 12, 18, 0.12);
    border-color: transparent;
  }
  .post-card__img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-2); }
  .post-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease-out); }
  .post-card:hover .post-card__img img { transform: scale(1.04); }
  .post-card__body { display: flex; flex-direction: column; gap: 12px; padding: 26px 26px 28px; flex: 1; }
  .post-card__meta, .feat-post__meta {
    display: flex; align-items: center; gap: 10px;
    font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
    text-transform: uppercase; font-weight: 600; color: var(--ink-400);
  }
  .post-card__cat, .feat-post__cat { color: var(--autonomy-blue); }
  .post-card__title {
    font-family: var(--font-display); font-size: 21px; line-height: 1.2;
    letter-spacing: -0.018em; font-weight: 600; margin: 0; color: var(--ink-900); text-wrap: pretty;
  }
  .post-card__excerpt { margin: 0; color: var(--ink-700); font-size: 14px; line-height: 1.55; }
  .post-card__date, .feat-post__date {
    margin-top: auto; padding-top: 6px;
    font-family: var(--font-mono); font-size: 11px; color: var(--ink-400); letter-spacing: 0.04em;
  }
  .post-card.is-hidden { display: none; }

  /* ===== Mobile polish ===== */
  @media (max-width: 760px) {
    .blog-head { padding: calc(var(--nav-h) + 36px) var(--gutter) 28px; }
    .blog-head .two-col { gap: 20px; }
    .blog-head h1.h1 { font-size: clamp(40px, 12vw, 60px); line-height: 1.02; }
    /* Featured post reads as a single clean card, image on top */
    .feat-post__body { padding: 26px 24px 28px; }
    .feat-post__meta { flex-wrap: wrap; row-gap: 6px; }
    /* Filters become a horizontal, edge-to-edge swipe row instead of wrapping */
    .blog-filter {
      flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch;
      scrollbar-width: none; margin: 0 calc(var(--gutter) * -1) 28px;
      padding: 0 var(--gutter) 4px;
    }
    .blog-filter::-webkit-scrollbar { display: none; }
    .blog-filter .chip { flex: 0 0 auto; }
  }
  @media (max-width: 600px) {
    .feat-post__img img { min-height: 190px; }
    .post-grid { gap: 14px; }
    .post-card__body { padding: 22px 22px 24px; }
    .post-card__title { font-size: 20px; }
  }

/* ===== Blog listing enhancements (filters, infinite scroll, pager) ===== */
a.chip { text-decoration: none; }

/* Cards appended by blog.js fade + rise in (self-playing on insert) */
@keyframes blogCardIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}
.post-card--enter { animation: blogCardIn 0.55s ease both; }
@media (prefers-reduced-motion: reduce) {
  .post-card--enter { animation: none; }
}

/* Pagination fallback (shown when JS is off / at page boundaries) */
.blog-pager {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin-top: clamp(29px, 4.3vh, 46px);
}
[data-blog-sentinel] { height: 1px; }