/* ============================================================
   ARTICLE CARD
   ============================================================ */

.card {
  background-color: var(--color-paper);
  border: var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--color-rule);
  display: block;
}

.card-body {
  padding: var(--space-5) var(--space-6) var(--space-6);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.card-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-11);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
}

.card-kicker:hover {
  opacity: 0.75;
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-20);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-3);
}

.card-title a {
  color: var(--color-ink);
  text-decoration: none;
}

.card-title a:hover {
  color: var(--color-accent);
}

.card-excerpt {
  font-size: var(--text-14);
  color: var(--color-ink-2);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: var(--border);
}

/* Horizontal card layout (thumbnail left, content right) */
.card-horizontal {
  display: grid;
  grid-template-columns: 160px 1fr;
}

.card-horizontal .card-image {
  aspect-ratio: auto;
  height: 100%;
}

/* ============================================================
   BADGES  (content-type status labels)
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-11);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  line-height: 1;
  padding: 3px var(--space-2);
  border-radius: var(--radius-sm);
  border: var(--border);
  background-color: var(--color-paper);
  color: var(--color-ink-3);
  white-space: nowrap;
  text-decoration: none;
  vertical-align: middle;
}

/* ============================================================
   BYLINE
   ============================================================ */

.byline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.byline-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-rule);
  object-fit: cover;
  flex-shrink: 0;
  display: block;
}

.byline-avatar--lg {
  width: 40px;
  height: 40px;
}

.byline-name {
  font-family: var(--font-sans);
  font-size: var(--text-13);
  font-weight: var(--weight-medium);
  color: var(--color-ink-2);
  text-decoration: none;
}

.byline-name:hover {
  color: var(--color-ink);
}

.byline-meta {
  font-family: var(--font-mono);
  font-size: var(--text-12);
  color: var(--color-ink-3);
}

/* Stacked byline variant: name above date */
.byline-stack {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ============================================================
   DOT SEPARATOR
   ============================================================ */

.dot-sep {
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background-color: var(--color-ink-3);
  vertical-align: middle;
  flex-shrink: 0;
}

/* ============================================================
   TOPIC TAGS
   ============================================================ */

.topic-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-11);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  border: var(--border);
  background-color: var(--color-paper);
  color: var(--color-ink-2);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
}

.topic-tag:hover {
  background-color: var(--color-locked-bg);
  color: var(--color-ink);
  border-color: var(--color-ink-3);
}

.topic-tag.is-active {
  background-color: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}

/* Tag cloud / group wrapper */
.topic-tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ============================================================
   PARTNER CONTENT BLOCK
   ============================================================ */

.partner-block {
  background-color: var(--color-partner-bg);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.partner-block-label {
  font-family: var(--font-mono);
  font-size: var(--text-11);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-3);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Thin left accent rule to visually distinguish sponsored content */
.partner-block-label::before {
  content: '';
  display: inline-block;
  width: 2px;
  height: 10px;
  background-color: var(--color-ink-3);
  border-radius: 1px;
  flex-shrink: 0;
}

.partner-block-heading {
  font-family: var(--font-display);
  font-size: var(--text-18);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.partner-block-heading a {
  color: var(--color-ink);
  text-decoration: none;
}

.partner-block-heading a:hover {
  color: var(--color-accent);
}

.partner-block-body {
  font-size: var(--text-14);
  color: var(--color-ink-2);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.partner-block-cta {
  font-family: var(--font-mono);
  font-size: var(--text-12);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
}

.partner-block-cta:hover {
  opacity: 0.75;
}

/* Inline strip variant (used in article body) */
.partner-block--strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-sm);
}

/* ============================================================
   TCB ARTICLE CARD
   Canonical card component.
   .tcb-card          — free / public article
   .tcb-card.locked   — members-only article
   ============================================================ */

.tcb-card {
  background-color: var(--color-paper);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: box-shadow var(--transition-base),
              background-color var(--transition-base);
}

.tcb-card:hover {
  box-shadow: var(--shadow-md);
}

/* ── Meta row ───────────────────────────────────────────── */

.tcb-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ── Headline ───────────────────────────────────────────── */

.tcb-card-headline {
  font-family: var(--font-display);
  font-size: var(--text-20);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
}

.tcb-card-headline a {
  color: var(--color-ink);
  text-decoration: none;
}

.tcb-card-headline a:hover {
  color: var(--color-accent);
}

/* ── Dek ────────────────────────────────────────────────── */

.tcb-card-dek-wrapper {
  position: relative;
  overflow: hidden;
}

.tcb-card-dek {
  font-family: var(--font-sans);
  font-size: var(--text-14);
  font-weight: var(--weight-regular);
  color: var(--color-ink-2);
  line-height: var(--leading-relaxed);
}

/* ── Byline row ─────────────────────────────────────────── */

.tcb-card-byline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: var(--border);
}