/* ————— The Charter — blog stylesheet ————— */
/* Extends styles.css. Stratechery/Matter inspired — wider sans column, serif display. */

.blog-body { background: var(--paper); color: var(--ink); min-height: 100vh; }

/* ——— Header / masthead ——— */
.blog-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248,246,240,0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--paper-line);
}
.blog-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.blog-header-left { display: flex; align-items: center; gap: 32px; }
.blog-header-back {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  display: inline-flex; align-items: center; gap: 8px;
}
.blog-header-back:hover { color: var(--ink); }
.blog-wordmark {
  font-family: var(--serif); font-size: 20px; letter-spacing: -0.01em;
  color: var(--ink);
}
.blog-wordmark em { color: var(--gold); font-style: italic; }
.blog-header-nav { display: flex; gap: 24px; }
.blog-header-nav a {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.blog-header-nav a:hover { color: var(--ink); }

/* ——— Publication masthead ——— */
.pub-mast { padding: 72px 0 48px; border-bottom: 1px solid var(--paper-line); }
.pub-mast-slug {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 40px;
}
.pub-mast-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(72px, 10vw, 160px); line-height: 0.9;
  letter-spacing: -0.02em; color: var(--ink);
}
.pub-mast-title em { font-style: italic; color: var(--gold); }
.pub-mast-deck {
  margin-top: 28px; max-width: 640px;
  font-size: 19px; line-height: 1.55; color: var(--muted-paper);
}

/* ——— Filters ——— */
.filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0; border-bottom: 1px solid var(--paper-line);
  gap: 24px; flex-wrap: wrap;
}
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid rgba(11,18,32,0.15); color: var(--muted);
  cursor: pointer; background: transparent;
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filter-count {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}

/* ——— Featured post ——— */
.featured { padding: 72px 0 56px; border-bottom: 1px solid var(--paper-line); }
.featured-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--gold-deep); margin-bottom: 20px;
}
.featured-grid {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 80px; align-items: start;
}
.featured-meta {
  display: flex; align-items: center; gap: 16px; margin-bottom: 18px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.featured-meta .cat { color: var(--rust); }
.featured-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--muted); }
.featured-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px, 5vw, 68px); line-height: 1.02;
  letter-spacing: -0.02em; color: var(--ink);
  margin-bottom: 24px; display: block;
}
.featured-title:hover em { color: var(--gold-deep); }
.featured-title em { font-style: italic; color: var(--gold); transition: color 0.2s; }
.featured-excerpt {
  font-size: 18px; line-height: 1.6; color: #3a3a44;
  max-width: 620px;
}
.featured-byline {
  display: flex; align-items: center; gap: 12px; margin-top: 28px;
}
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--serif); font-size: 18px; color: var(--paper);
  background: var(--ink);
}
.avatar.gold { background: var(--gold); color: var(--ink); }
.avatar.rust { background: var(--rust); }
.avatar.steel { background: var(--steel); }
.byline-name {
  font-size: 14px; color: var(--ink); font-weight: 500;
}
.byline-role {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-top: 2px;
}

/* Featured side column — smaller recent posts */
.featured-side {
  padding-left: 40px; border-left: 1px solid var(--paper-line);
}
.featured-side-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 24px;
}
.side-item {
  display: block; padding: 18px 0;
  border-bottom: 1px solid var(--paper-line);
}
.side-item:last-child { border-bottom: none; }
.side-item-meta {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 8px;
}
.side-item-meta .cat { color: var(--rust); }
.side-item-title {
  font-family: var(--serif); font-size: 20px; line-height: 1.2;
  color: var(--ink); letter-spacing: -0.01em;
}
.side-item:hover .side-item-title { color: var(--gold-deep); }

/* ——— Post list ——— */
.post-list { padding: 56px 0 120px; }
.post-list-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 32px;
}
.post-row {
  display: grid; grid-template-columns: 120px 1fr 200px;
  gap: 40px; padding: 36px 0;
  border-bottom: 1px solid var(--paper-line);
  align-items: start;
}
.post-row:first-child { border-top: 1px solid var(--paper-line); }
.post-row:hover .post-row-title { color: var(--gold-deep); }
.post-row-date {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); padding-top: 8px;
}
.post-row-reads {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gold-deep); margin-top: 8px;
}
.reads-dot { display:inline-block; width:5px; height:5px; border-radius:50%;
  background: var(--gold); margin-right: 6px; vertical-align: middle; }
.post-row-title {
  font-family: var(--serif); font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.15; letter-spacing: -0.015em; color: var(--ink);
  margin-bottom: 12px; transition: color 0.2s;
}
.post-row-title em { font-style: italic; color: var(--gold); }
.post-row-excerpt {
  font-size: 16px; line-height: 1.55; color: #5a5a64; max-width: 620px;
}
.post-row-tags {
  display: flex; gap: 8px; margin-top: 14px;
}
.tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  padding: 4px 10px; border: 1px solid var(--paper-line); border-radius: 999px;
}
.tag.rust { color: var(--rust); border-color: rgba(184,80,42,0.25); }
.tag.gold { color: var(--gold-deep); border-color: rgba(201,169,97,0.35); }
.tag.steel { color: var(--steel-deep); border-color: rgba(74,127,193,0.25); }
.post-row-byline {
  display: flex; align-items: center; gap: 10px;
  padding-top: 6px;
}
.post-row-byline .avatar { width: 28px; height: 28px; font-size: 13px; }
.post-row-byline .byline-name { font-size: 13px; }
.post-row-byline .byline-role { font-size: 9px; }

/* ——— Subscribe ——— */
.subscribe {
  background: var(--ink); color: var(--paper);
  padding: 96px 0 72px; position: relative; overflow: hidden;
}
.subscribe-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.subscribe-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(36px, 4vw, 56px); line-height: 1.05;
  letter-spacing: -0.02em;
}
.subscribe-title em { font-style: italic; color: var(--gold); }
.subscribe-deck {
  margin-top: 16px; font-size: 16px; line-height: 1.55; color: #9099ad;
  max-width: 440px;
}
.subscribe-form {
  display: flex; gap: 8px; margin-top: 28px;
}
.subscribe-input {
  flex: 1; padding: 14px 18px; border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--paper); font-family: var(--sans); font-size: 14px;
  outline: none;
}
.subscribe-input::placeholder { color: #6b7388; }
.subscribe-input:focus { border-color: var(--gold); }
.subscribe-btn {
  padding: 14px 22px; border-radius: 999px;
  background: var(--paper); color: var(--ink);
  font-size: 14px; font-weight: 500;
}
.subscribe-note {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: #6b7388; margin-top: 14px;
}
.subscribe-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  padding: 32px; border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.02);
}
.stat-n {
  font-family: var(--serif); font-size: 48px; line-height: 1;
  color: var(--gold);
}
.stat-l {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: #9099ad; margin-top: 8px;
}

/* ——— Blog footer ——— */
.blog-foot {
  padding: 18px 0 24px; background: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.06);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; color: #6b7388;
}
.blog-foot-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.blog-foot-inner span.gold { color: var(--gold); }


/* ═══════════════════════════════════════════════
   Individual post page
   ═══════════════════════════════════════════════ */

.post-article { padding: 72px 0 0; }
.post-meta-row {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 28px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  max-width: 740px; margin-left: auto; margin-right: auto;
}
.post-meta-row .cat { color: var(--rust); }
.post-meta-row .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--muted); }

.post-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(44px, 6vw, 88px); line-height: 1.0;
  letter-spacing: -0.02em; color: var(--ink);
  max-width: 900px; margin: 0 auto;
}
.post-title em { font-style: italic; color: var(--gold); }

.post-deck {
  margin: 32px auto 0; max-width: 740px;
  font-family: var(--serif); font-size: 24px; line-height: 1.35;
  color: var(--muted-paper); letter-spacing: -0.005em;
}

.post-byline-row {
  max-width: 740px; margin: 48px auto 0;
  padding: 24px 0; border-top: 1px solid var(--paper-line);
  border-bottom: 1px solid var(--paper-line);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.post-byline-row .byline-name { font-size: 15px; }
.post-byline-row .byline-role { font-size: 10px; }
.post-share {
  display: flex; gap: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.post-share a { padding: 6px 12px; border: 1px solid var(--paper-line); border-radius: 999px; }
.post-share a:hover { color: var(--ink); border-color: var(--ink); }

.post-body {
  max-width: 740px; margin: 56px auto 0;
  font-family: var(--sans); font-size: 19px; line-height: 1.7;
  color: #2a2a34;
}
.post-body p { margin-bottom: 1.3em; }
.post-body p.lede::first-letter {
  font-family: var(--serif); font-size: 5em; float: left;
  line-height: 0.88; padding: 6px 14px 0 0;
  font-style: italic; color: var(--gold);
}
.post-body h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 3vw, 38px); line-height: 1.1;
  letter-spacing: -0.015em; color: var(--ink);
  margin: 2em 0 0.7em;
}
.post-body h3 {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--gold-deep);
  margin: 2em 0 0.8em;
}
.post-body a {
  color: var(--ink); text-decoration: underline;
  text-decoration-thickness: 1px; text-underline-offset: 3px;
  text-decoration-color: rgba(201,169,97,0.6);
}
.post-body a:hover { text-decoration-color: var(--gold); }
.post-body em { font-style: italic; }
.post-body strong { font-weight: 600; color: var(--ink); }

.pullquote {
  margin: 2.5em -40px;
  padding: 16px 0 16px 28px;
  border-left: 2px solid var(--gold);
  font-family: var(--serif); font-size: 32px;
  line-height: 1.25; letter-spacing: -0.015em;
  color: var(--ink); font-style: italic;
}
.pullquote-attr {
  display: block; margin-top: 16px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); font-style: normal;
}

.post-divider {
  max-width: 740px; margin: 48px auto;
  text-align: center;
  font-family: var(--serif); font-size: 20px; color: var(--gold);
  letter-spacing: 1em; padding-left: 1em;
}

.post-foot {
  max-width: 740px; margin: 72px auto 0;
  padding: 32px 0; border-top: 1px solid var(--paper-line);
}
.post-foot-tags { display: flex; gap: 8px; margin-bottom: 28px; }
.post-foot-author {
  display: flex; gap: 20px; align-items: start;
  padding: 24px; background: rgba(11,18,32,0.02);
  border: 1px solid var(--paper-line);
}
.post-foot-author .avatar { width: 56px; height: 56px; font-size: 22px; }
.post-foot-author-body { flex: 1; }
.post-foot-author-name {
  font-family: var(--serif); font-size: 22px; color: var(--ink);
  letter-spacing: -0.01em;
}
.post-foot-author-role {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-top: 4px;
}
.post-foot-author-bio {
  margin-top: 12px; font-size: 14px; line-height: 1.55; color: #5a5a64;
}

/* Related posts */
.related { padding: 96px 0 120px; background: var(--paper-warm); }
.related-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 32px;
}
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.related-card {
  padding: 32px; background: var(--paper);
  border: 1px solid var(--paper-line);
  transition: transform 0.2s ease;
  display: block;
}
.related-card:hover { transform: translateY(-2px); }
.related-card-meta {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 16px;
}
.related-card-meta .cat { color: var(--rust); }
.related-card-title {
  font-family: var(--serif); font-size: 24px; line-height: 1.2;
  letter-spacing: -0.01em; color: var(--ink); margin-bottom: 12px;
}
.related-card-excerpt {
  font-size: 14px; line-height: 1.55; color: #5a5a64;
}

/* ——— Responsive ——— */
@media (max-width: 1100px) {
  .featured-grid { grid-template-columns: 1fr; gap: 48px; }
  .featured-side { padding-left: 0; border-left: none;
    padding-top: 32px; border-top: 1px solid var(--paper-line); }
  .post-row { grid-template-columns: 1fr; gap: 12px; padding: 28px 0; }
  .post-row-byline { padding-top: 4px; }
  .subscribe-inner { grid-template-columns: 1fr; gap: 40px; }
  .related-grid { grid-template-columns: 1fr; }
  .pullquote { margin: 2em 0; }
  .blog-header-nav { display: none; }
}

/* ——— Mobile (≤768px) ——— */
@media (max-width: 768px) {
  /* Header */
  .blog-header-inner { height: 56px; }
  .blog-header-left { gap: 16px; }
  .blog-header-back span { display: none; }
  .blog-header-back::before { content: "←"; font-size: 14px; }
  .blog-wordmark { font-size: 17px; }

  /* Publication masthead */
  .pub-mast { padding: 40px 0 28px; }
  .pub-mast-slug {
    flex-direction: column; align-items: flex-start; gap: 8px;
    margin-bottom: 24px; font-size: 10px;
  }
  .pub-mast-title { font-size: 56px; line-height: 0.92; letter-spacing: -0.02em; }
  .pub-mast-deck { font-size: 16px; margin-top: 20px; }

  /* Filter bar */
  .filter-bar { padding: 16px 0; gap: 12px; }
  .filter-chips { gap: 6px; }
  .chip { padding: 6px 10px; font-size: 10px; letter-spacing: 0.1em; }
  .filter-count { font-size: 10px; }

  /* Featured */
  .featured { padding: 40px 0 32px; }
  .featured-grid { gap: 32px; }
  .featured-title { font-size: 34px; line-height: 1.05; margin-bottom: 18px; }
  .featured-excerpt { font-size: 16px; line-height: 1.55; }
  .featured-meta { gap: 10px; font-size: 10px; flex-wrap: wrap; }
  .featured-byline { margin-top: 20px; }
  .side-item-title { font-size: 17px; }

  /* Post list */
  .post-list { padding: 32px 0 72px; }
  .post-row { padding: 22px 0; gap: 8px; }
  .post-row-date { padding-top: 0; font-size: 10px; }
  .post-row-reads { font-size: 9px; margin-top: 6px; }
  .post-row-title { font-size: 22px; line-height: 1.2; margin-bottom: 8px; }
  .post-row-excerpt { font-size: 15px; }
  .post-row-tags { margin-top: 10px; flex-wrap: wrap; }
  .post-row-byline { padding-top: 2px; }

  /* Subscribe */
  .subscribe { padding: 56px 0; }
  .subscribe-inner { gap: 32px; }
  .subscribe-title { font-size: 32px; line-height: 1.08; }
  .subscribe-deck { font-size: 15px; }
  .subscribe-form { flex-direction: column; gap: 10px; }
  .subscribe-input, .subscribe-btn { width: 100%; padding: 12px 18px; }
  .subscribe-stats { padding: 20px; gap: 16px; }
  .stat-n { font-size: 36px; }

  /* Blog footer */
  .blog-foot-inner {
    flex-direction: column; gap: 10px; text-align: center;
    font-size: 10px;
  }

  /* ——— Individual post ——— */
  .post-article { padding: 36px 0 0; }
  .post-meta-row {
    flex-wrap: wrap; gap: 10px; margin-bottom: 20px; font-size: 10px;
  }
  .post-title { font-size: 36px; line-height: 1.02; }
  .post-deck { font-size: 18px; line-height: 1.4; margin-top: 22px; }
  .post-byline-row {
    margin-top: 32px; padding: 18px 0;
    flex-direction: column; align-items: flex-start; gap: 16px;
  }
  .post-body {
    margin-top: 36px; font-size: 17px; line-height: 1.65;
    padding: 0 4px;
  }
  .post-body p.lede::first-letter {
    font-size: 4.2em; padding: 4px 10px 0 0;
  }
  .post-body h2 { font-size: 24px; margin: 1.5em 0 0.6em; }
  .post-body h3 { font-size: 11px; margin: 1.5em 0 0.6em; }
  .pullquote {
    margin: 1.8em 0; padding: 12px 0 12px 20px;
    font-size: 22px; line-height: 1.3;
  }
  .post-divider { margin: 32px auto; font-size: 16px; letter-spacing: 0.6em; }
  .post-foot { margin-top: 48px; padding: 24px 0; }
  .post-foot-tags { flex-wrap: wrap; }
  .post-foot-author {
    flex-direction: column; gap: 14px; padding: 20px;
  }
  .post-foot-author .avatar { width: 44px; height: 44px; font-size: 18px; }
  .post-foot-author-name { font-size: 19px; }

  /* Related */
  .related { padding: 56px 0 72px; }
  .related-card { padding: 22px; }
  .related-card-title { font-size: 20px; }
}