/* ==========================================================================
     BREADCRUMB — verbatim from rr-article-v1.html
     ========================================================================== */
  .rr-breadcrumb {
    max-width: var(--max-page); margin: 0 auto;
    padding: calc(var(--announce-h) + var(--header-h-default) + var(--space-6)) var(--space-7) 0;
    font-family: var(--font-body); font-weight: 800; font-size: 11px;
    letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-muted);
  }
  .rr-breadcrumb a { color: var(--color-muted); transition: color var(--dur-short); }
  .rr-breadcrumb a:hover { color: var(--color-accent); }
  .rr-breadcrumb .sep { margin: 0 12px; opacity: 0.5; }

  /* ==========================================================================
     HERO — uses fs-display-hero (matches home's hero scale)
     - centered
     - no eyebrow above (Mark: remove "From Channel Street Books")
     - no colophon (homepage-only element)
     ========================================================================== */
  .hero {
    padding: var(--space-7) var(--space-7) var(--space-7);
    text-align: center;
    max-width: var(--max-page); margin: 0 auto;
  }
  .hero-tagline {
    font-family: var(--font-display); font-weight: 400;
    font-size: var(--fs-display-hero);
    line-height: 0.96; letter-spacing: -0.02em;
    color: var(--color-ink); text-transform: uppercase;
    max-width: 1200px; margin: 0 auto;
  }

  /* ==========================================================================
     SECTION HEADING ROW — verbatim from csb-home-v1.html
     ========================================================================== */
  .section-heading-row {
    display: flex; flex-direction: column; align-items: center;
    margin-bottom: var(--space-8); gap: var(--space-3); text-align: center;
  }
  .section-heading {
    font-family: var(--font-display); font-weight: 400;
    font-size: var(--fs-display-section);
    line-height: 1.0; letter-spacing: -0.015em;
    color: var(--color-ink); text-transform: uppercase;
  }

  /* ==========================================================================
     ARTICLES SECTION
     - Hero article slot at top (full-width placeholder, Stitch redesign pending)
     - Below: 5-col grid (matches home's .editorial-grid count)
     ========================================================================== */
  .articles-section {
    padding: var(--space-7) var(--space-7) var(--space-7);
  }
  .articles-section-inner { max-width: var(--max-page); margin: 0 auto; }

  /* "FEATURED · AUTHOR SPOTLIGHT" eyebrow above the hero article block */
  .hero-article-section-eyebrow {
    display: block;
    text-align: center;
    font-family: var(--font-body);
    font-weight: 800;
    font-size: var(--fs-label);
    letter-spacing: var(--track-label);
    text-transform: uppercase;
    color: var(--color-accent);
    max-width: 1320px;
    margin: 0 auto var(--space-4);
  }

  /* Hero Article — 2-col magazine spread (light bg, no left meta-rail).
     Borrows .featured-banner 2-col rhythm from home, light-mode for editorial. */
  .hero-article {
    display: grid;
    grid-template-columns: minmax(304px, 368px) 1fr;
    max-width: 1320px; margin: 0 auto var(--space-9);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--dur-medium) var(--ease-out),
                border-color var(--dur-short) var(--ease-out);
  }
  .hero-article:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent);
  }
  .hero-article:hover .hero-article-title { color: var(--color-accent); }
  .hero-article-media { overflow: hidden; background: #F4F1EA; }
  .hero-article-media img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform var(--dur-long) var(--ease-out);
  }
  .hero-article:hover .hero-article-media img {
    transform: scale(1.04);
  }
  .hero-article-content {
    padding: var(--space-7) var(--space-7);
    display: flex; flex-direction: column;
    justify-content: flex-start;
    gap: var(--space-2);
  }
  .hero-article-meta {
    display: flex; align-items: center; gap: var(--space-2);
    font-family: var(--font-body); font-weight: 800;
    font-size: var(--fs-micro); letter-spacing: var(--track-label);
    text-transform: uppercase;
    margin-bottom: var(--space-2);
  }
  .hero-article-tag { color: var(--color-muted); }
  .hero-article-sep {
    display: inline-block;
    width: 7px; height: 7px;
    background: var(--color-accent);
    border-radius: 50%;
    text-indent: -9999px;
    overflow: hidden;
    margin: 0 8px;
    vertical-align: middle;
    position: relative;
    top: -1px;
  }
  .hero-article-date { color: var(--color-muted); }
  .hero-article-title {
    font-family: var(--font-display); font-weight: 400;
    font-size: clamp(28px, 3.2vw, 48px);
    line-height: 1.05; letter-spacing: -0.015em;
    color: var(--color-ink);
    transition: color var(--dur-short) var(--ease-out);
  }
  .hero-article-dek {
    font-family: var(--font-body);
    font-size: var(--fs-body-large);
    line-height: 1.55;
    color: var(--color-muted);
    margin-top: var(--space-3);
  }
  .hero-article-byline {
    font-family: var(--font-body); font-style: normal;
    font-weight: 800;
    font-size: var(--fs-micro);
    letter-spacing: var(--track-label);
    text-transform: uppercase;
    color: var(--color-muted);
    margin-top: var(--space-3);
  }
  .hero-article-cta {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-body); font-weight: 800;
    font-size: var(--fs-label); letter-spacing: var(--track-cta);
    text-transform: uppercase; color: var(--color-accent);
    margin-top: var(--space-4);
    border-bottom: 1px solid var(--color-accent);
    padding-bottom: 4px;
    align-self: flex-start;
    transition: gap var(--dur-short) var(--ease-out);
  }
  .hero-article:hover .hero-article-cta { gap: 10px; }

  /* Editorial grid — verbatim from home, 5-col matches home's count */
  .editorial-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-6);
    max-width: 1320px;
    margin: 0 auto;
  }
  .editorial-card {
    display: flex; flex-direction: column; gap: 0;
    padding: 0; cursor: pointer;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    overflow: hidden;
    transition: transform var(--dur-medium) var(--ease-out),
                border-color var(--dur-short) var(--ease-out);
  }
  .editorial-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent);
  }
  .card-thumb {
    aspect-ratio: 2/3; overflow: hidden;
    background: #F4F1EA; width: 100%;
  }
  .card-thumb img {
    width: 100%; height: 100%; object-fit: cover;
    filter: grayscale(80%);
    transition: transform var(--dur-long) var(--ease-out),
                filter var(--dur-medium) var(--ease-out);
  }
  .editorial-card:hover .card-thumb img {
    transform: scale(1.04);
    filter: grayscale(0%);
  }
  .card-body { padding: var(--space-3) var(--space-3) var(--space-4); }
  .card-tag {
    font-family: var(--font-body); font-weight: 800;
    font-size: var(--fs-micro); letter-spacing: var(--track-label);
    text-transform: uppercase; color: var(--color-accent);
    margin-bottom: var(--space-3);
  }
  .card-title {
    font-family: var(--font-display); font-weight: 400;
    font-size: clamp(16px, 1.2vw, 20px);
    line-height: 1.2; letter-spacing: -0.005em;
    color: var(--color-ink); margin-bottom: var(--space-3);
    transition: color var(--dur-short) var(--ease-out);
  }
  .editorial-card:hover .card-title { color: var(--color-accent); }
  .card-excerpt {
    font-family: var(--font-body); font-size: 13px;
    line-height: 1.5; color: var(--color-muted);
    margin-bottom: var(--space-3);
  }

  /* ==========================================================================
     ARCHIVE — reduced prominence per Mark
     - smaller heading (sub-section size, not display-section)
     - tighter padding
     - per-item eyebrow dropped
     - smaller cluster name
     ========================================================================== */
  .archive-section {
    padding: var(--space-6) var(--space-7) var(--space-7);
    background: #F4F2EC;
  }
  .archive-section-inner { max-width: var(--max-page); margin: 0 auto; }
  .archive-heading-row {
    display: flex; flex-direction: column; align-items: center;
    margin-bottom: var(--space-5); gap: var(--space-1); text-align: center;
  }
  .archive-eyebrow {
    font-family: var(--font-body); font-weight: 800;
    font-size: var(--fs-micro); letter-spacing: var(--track-label);
    text-transform: uppercase; color: var(--color-accent);
  }
  .archive-heading {
    font-family: var(--font-display); font-weight: 400;
    font-size: 24px; line-height: 1.0;
    letter-spacing: -0.01em; color: var(--color-ink);
    text-transform: uppercase;
  }
  .archive-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: var(--space-4) auto 0;
    text-align: center;
  }
  .archive-cluster {
    font-family: var(--font-body); font-weight: 600;
    font-size: var(--fs-body-sm);
    color: var(--color-ink);
    padding: 6px 14px;
    white-space: nowrap;
    transition: color var(--dur-short);
  }
  .archive-cluster:hover { color: var(--color-accent); }
  .archive-cluster + .archive-cluster::before {
    content: '\00b7';
    color: var(--color-accent);
    margin-right: 14px;
    margin-left: -14px;
    pointer-events: none;
  }

  /* ==========================================================================
     RESPONSIVE — verbatim from home + index-specific overrides
     ========================================================================== */
  @media (max-width: 1024px) {
    .site-header-inner { padding: 0 var(--space-5); }
    .site-nav { gap: var(--space-4); }
    .rr-breadcrumb { padding-left: var(--space-5); padding-right: var(--space-5); }
    .hero { padding: var(--space-6) var(--space-5); }
    .articles-section, .archive-section, .newsletter { padding: var(--space-7) var(--space-5); }
    .editorial-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
    .archive-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 700px) {
    .site-nav { display: none; }
    .editorial-grid { grid-template-columns: 1fr; }
    .archive-grid { grid-template-columns: 1fr; }
  }

  /* ==========================================================================
     ABOUT HERO — layered: "ABOUT" watermark + colophon + "CHANNEL STREET BOOKS" wordmark
     ========================================================================== */
  /* About-hero pattern canonical in base.css */

  /* ==========================================================================
     ABOUT BODY — single-column centered paragraphs + accent uppercase tagline
     ========================================================================== */
  .about-body {
    max-width: 860px;
    margin: 0 auto;
    padding: var(--space-5) var(--space-7) var(--space-7);
    text-align: center;
  }
  .about-body p {
    font-family: var(--font-body);
    font-size: var(--fs-body-large);
    line-height: 1.7;
    color: var(--color-ink);
    margin-bottom: var(--space-5);
  }
  .about-body p:last-of-type { margin-bottom: 0; }
  .about-body a {
    color: var(--color-ink);
    border-bottom: 1px solid var(--color-accent);
    transition: color var(--dur-short);
  }
  .about-body a:hover { color: var(--color-accent); }
  .about-tagline {
    font-family: var(--font-body);
    font-weight: 800;
    font-size: var(--fs-micro);
    letter-spacing: var(--track-label);
    text-transform: uppercase;
    color: var(--color-ink);
    text-align: center;
    margin: var(--space-7) auto 0;
    max-width: 860px;
    line-height: 1.8;
  }
  .about-tagline span { display: block; }
  .about-tagline .about-tagline-line2 { color: var(--color-accent); }

  /* ==========================================================================
     RR BREADCRUMB (lifted from rr-article-v1.html)
     ========================================================================== */
  .rr-breadcrumb {
    max-width: var(--max-page);
    margin: 0 auto;
    padding: calc(var(--announce-h) + var(--header-h-default) + var(--space-6)) var(--space-7) 0;
    font-family: var(--font-body); font-weight: 800;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-muted);
  }
  .rr-breadcrumb a { color: var(--color-muted); transition: color var(--dur-short); }
  .rr-breadcrumb a:hover { color: var(--color-accent); }
  .rr-breadcrumb .sep { margin: 0 12px; opacity: 0.5; }

  /* ==========================================================================
     CLUSTER HEADER + ARTICLE GRID
     ========================================================================== */
  .cluster-header {
    max-width: 1320px;
    margin: 0 auto;
    padding: var(--space-5) var(--space-7) var(--space-6);
    text-align: center;
  }
  .cluster-eyebrow {
    font-family: var(--font-body);
    font-weight: 800;
    font-size: var(--fs-micro);
    letter-spacing: var(--track-label);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
  }
  .cluster-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: var(--fs-display-section);
    line-height: 1;
    letter-spacing: -0.015em;
    text-transform: uppercase;
    color: var(--color-ink);
    margin: 0 0 var(--space-3);
  }
  .cluster-description {
    font-family: var(--font-body);
    font-size: var(--fs-body-large);
    line-height: 1.6;
    color: var(--color-muted);
    max-width: 720px;
    margin: 0 auto;
  }
  .cluster-articles-section {
    padding: var(--space-5) var(--space-7) var(--space-7);
  }
  .cluster-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5) var(--space-4);
    max-width: 1320px;
    margin: 0 auto;
  }
  .editorial-card {
    display: flex; flex-direction: column;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    overflow: hidden;
    transition: transform var(--dur-medium) var(--ease-out), border-color var(--dur-short) var(--ease-out);
  }
  .editorial-card:hover { transform: translateY(-3px); border-color: var(--color-accent); }
  .card-thumb { aspect-ratio: 2/3; overflow: hidden; background: #F4F1EA; }
  .card-thumb img {
    width: 100%; height: 100%; object-fit: cover;
    filter: grayscale(80%);
    transition: transform var(--dur-long) var(--ease-out), filter var(--dur-medium) var(--ease-out);
  }
  .editorial-card:hover .card-thumb img { transform: scale(1.04); filter: grayscale(0); }
  .card-body { padding: var(--space-3) var(--space-3) var(--space-4); }
  .card-tag {
    font-family: var(--font-body); font-weight: 800;
    font-size: var(--fs-micro); letter-spacing: var(--track-label);
    text-transform: uppercase; color: var(--color-accent);
    margin-bottom: var(--space-3);
  }
  .card-title {
    font-family: var(--font-display); font-weight: 400;
    font-size: clamp(16px, 1.2vw, 20px);
    line-height: 1.2; letter-spacing: -0.005em;
    color: var(--color-ink); margin-bottom: var(--space-3);
    transition: color var(--dur-short);
  }
  .editorial-card:hover .card-title { color: var(--color-accent); }
  .card-excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-family: var(--font-body); font-size: 13px;
    line-height: 1.5; color: var(--color-muted);
    margin-bottom: var(--space-3);
  }
  @media (max-width: 1024px) { .cluster-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 700px) { .cluster-grid { grid-template-columns: 1fr; } }