/* ============================================================
   essay.css — shared essay article shell
   Promoted from inline <style> blocks in SV + Alogically Is
   (session K2, 2026-05-13) per second-instance threshold rule.
   Pattern follows footer.css (session J) promotion.

   Consumers: src/essays/*/index.html
   Companion stylesheets expected in <head>:
     /tokens.css, /base.css, /components/nav.css,
     /components/audio-player.css, /components/mode-toggle.css,
     /components/footer.css
   ============================================================ */

.essay {
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--s-5);
  padding-block-end: var(--s-10);
}

.essay-header {
  border-bottom: var(--bw-base) solid var(--c-border);
  padding-block-end: var(--s-5);
  margin-block-end: var(--s-7);
}

.essay-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-5);
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--c-fg-dim);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  margin-block: var(--s-3) var(--s-4);
}

.essay-meta strong {
  color: var(--c-fg-muted);
  font-weight: 500;
}

.essay-body {
  max-width: var(--w-prose);
  margin-inline: auto;
}

.essay-body > * {
  max-width: 100%;
}

.section-rule {
  border: none;
  border-top: var(--bw-slab) solid var(--c-accent);
  width: var(--s-7);
  margin-block: var(--s-7);
}

.prose-placeholder {
  font-style: italic;
  color: var(--c-fg-dim);
}

.prose-placeholder::before {
  content: "[ ";
  color: var(--c-accent);
}

.prose-placeholder::after {
  content: " ]";
  color: var(--c-accent);
}

/* Audio-intro band — sits above section structure. Audio is its own
   artifact (e.g., condensed reading for SV, full reading for Alogically
   Is); prose sections below stand as the canonical essay text. */
.audio-intro {
  margin-block-end: var(--s-7);
  padding-block-end: var(--s-5);
  border-bottom: var(--bw-base) solid var(--c-border);
}

.audio-intro-note {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--c-fg-dim);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  margin-block-end: var(--s-3);
}

.audio-intro-note strong {
  color: var(--c-accent);
  font-weight: 500;
}

/* ============================================================
   K23 promote (2026-05-15): shared .essay-section family
   folded from inline <style> blocks across SV + Alogically Is +
   Architecture of Moral Disaster + A Life Inside vessels per
   K2 second-instance threshold (N=4 confirmed).

   Vessel-unique classes (.essay-invocation, .essay-litany in SV;
   .essay-coda flourish-line in Alogically Is; .essay-verse +
   .essay-note + .essay-coda section-modifier in A Life Inside)
   remain inline as N=1.
   ============================================================ */

.essay-section {
  margin-block-end: var(--s-7);
}

.essay-section-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--c-fg-muted);
  margin-block-end: var(--s-2);
}

.essay-section h2 {
  font-family: var(--font-headline);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-block-end: var(--s-5);
}

/* When a subtitle follows the h2, tighten the gap so the pair reads as a unit. */
.essay-section h2:has(+ .essay-section-subtitle) {
  margin-block-end: var(--s-2);
}

.essay-section-subtitle {
  font-family: var(--font-headline);
  font-style: italic;
  color: var(--c-accent);
  font-size: var(--t-h5);
  margin-block-end: var(--s-5);
}

.essay-section h3 {
  font-family: var(--font-headline);
  font-weight: 500;
  letter-spacing: var(--ls-tight);
  margin-block-start: var(--s-6);
  margin-block-end: var(--s-3);
}

.essay-section p {
  margin-block-end: var(--s-4);
}

.essay-section p em {
  color: var(--c-fg);
}

/* Prefatory block — Alogically Is + A Life Inside lead-ins. */
.essay-prefatory {
  margin-block-end: var(--s-7);
  padding-block-end: var(--s-5);
  border-bottom: var(--bw-base) solid var(--c-border);
}

/* End-of-document marker — Alogically Is + A Life Inside. */
.essay-end-marker {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: var(--ls-mega);
  color: var(--c-fg-dim);
  text-align: center;
  margin-block-start: var(--s-9);
}
