/* ============================================================
   avons.github.io — article styles
   article.css · v1.0
   ============================================================ */

/* ── Article body layout ── */
.article-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 80px;
}

/* ── Top rule ── */
.flag-stripe {
  height: 4px;
  background: var(--black);
}

/* ── Document title block ── */
.doc-title-block {
  padding: 64px 0 52px;
  border-bottom: 4px solid var(--black);
  margin-bottom: 52px;
}
.doc-eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid-grey);
  margin-bottom: 16px;
}
.doc-main-title {
  font-family: "DM Serif Display", serif;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--black);
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.doc-subtitle {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--mid-grey);
  font-weight: 400;
  margin-bottom: 10px;
}
.doc-tagline {
  font-size: 1rem;
  color: var(--mid-grey);
  margin-bottom: 24px;
  line-height: 1.6;
}
.doc-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  color: var(--light-grey);
}
.doc-meta a { color: var(--dark-grey); font-weight: 600; }
.doc-meta a:hover { opacity: 0.7; }

/* ── Article typography ── */
h1 { font-size: 1.9rem; font-weight: 800; margin: 52px 0 12px; }
h2 { font-size: 1.25rem; font-weight: 700; margin: 32px 0 10px; }
h3 { font-size: 1rem; font-weight: 600; margin: 4px 0 20px; font-style: italic; }
p  { margin-bottom: 14px; text-align: justify; }

/* ── Section banners ── */
.section-banner {
  border-radius: 4px;
  padding: 11px 20px;
  margin: 48px 0 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--black);
}
.banner-mid   { background: var(--dark-grey); }
.banner-light { background: var(--mid-grey); }

/* ── Level cards ── */
.level-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 24px 0 8px; }
.level-card {
  display: grid;
  grid-template-columns: 86px 1fr;
  border-radius: 6px;
  border: 1px solid var(--rule);
  overflow: hidden;
}
.level-card:nth-child(odd)  { background: var(--soft-bg); }
.level-card:nth-child(even) { background: var(--white); }
.level-badge {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 14px 6px; gap: 6px;
  background: var(--dark-grey);
}
.level-card:nth-child(1) .level-badge { background: #888888; }
.level-card:nth-child(2) .level-badge { background: #666666; }
.level-card:nth-child(3) .level-badge { background: #555555; }
.level-card:nth-child(4) .level-badge { background: #444444; }
.level-card:nth-child(5) .level-badge { background: #2a2a2a; }
.level-card:nth-child(6) .level-badge { background: #0a0a0a; }
.level-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem; font-weight: 800; color: var(--white);
  background: rgba(0,0,0,0.25); border-radius: 3px;
  padding: 2px 7px; white-space: nowrap; text-align: center;
}
.level-emoji { font-size: 1.4rem; }
.level-body  { padding: 12px 16px; border-left: 1px solid var(--rule); }
.level-title { font-size: 0.98rem; font-weight: 700; color: var(--black); font-family: "DM Serif Display", serif; }
.level-analogy { font-size: 0.8rem; color: var(--mid-grey); font-style: italic; margin-bottom: 8px; }
.level-meta { display: grid; grid-template-columns: 88px 1fr; gap: 2px 8px; font-size: 0.8rem; }
.lm-label { color: var(--mid-grey); font-weight: 600; }
.lm-val   { color: var(--dark-grey); }

/* ── Callout boxes ── */
.callout {
  border-radius: 4px;
  padding: 13px 18px;
  margin: 14px 0;
  font-size: 0.93rem;
  line-height: 1.65;
}
.callout-insight {
  background: var(--accent-green-light);
  border-left: 4px solid var(--accent-green);
  color: var(--accent-green-text);
}
.callout-warn {
  background: var(--accent-red-light);
  border-left: 4px solid var(--accent-red);
  color: var(--off-black);
}
.callout-quote {
  background: var(--soft-bg);
  border-left: 4px solid var(--black);
  font-style: italic;
  color: var(--dark-grey);
  font-weight: 600;
}

/* ── Concept cards ── */
.concept-grid { display: grid; gap: 6px; margin: 14px 0 20px; }
.concept-card {
  display: grid; grid-template-columns: 170px 1fr;
  border-radius: 4px; overflow: hidden;
  border: 1px solid var(--rule);
}
.concept-label {
  padding: 12px 14px; font-weight: 700; font-size: 0.86rem;
  display: flex; align-items: flex-start; line-height: 1.4;
  color: var(--black); background: var(--soft-bg);
}
.concept-desc { padding: 12px 14px; font-size: 0.88rem; line-height: 1.55; background: var(--white); }
.c-alt1 { background: var(--soft-bg); }
.c-alt2 { background: var(--white); }

/* ── Persona table ── */
.persona-tbl { width: 100%; border-collapse: collapse; margin: 12px 0 8px; }
.persona-tbl td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--rule);
  font-size: 0.9rem; vertical-align: top;
}
.persona-tbl td:first-child {
  font-weight: 700; color: var(--black); width: 200px;
  background: var(--soft-bg); white-space: nowrap;
}

/* ── Layer cards ── */
.layer-grid { display: grid; gap: 6px; margin: 14px 0 20px; }
.layer-card {
  display: grid; grid-template-columns: 220px 1fr;
  border-radius: 4px; overflow: hidden;
  border: 1px solid var(--rule);
}
.layer-label {
  padding: 14px; font-weight: 700; font-size: 0.86rem;
  line-height: 1.4; display: flex; align-items: flex-start;
  background: var(--soft-bg); color: var(--black);
}
.layer-desc { padding: 14px; font-size: 0.88rem; line-height: 1.55; background: var(--white); }

/* ── Code block ── */
.code-block {
  background: var(--soft-bg);
  border: 1px solid var(--rule);
  border-radius: 4px; padding: 18px 22px; margin: 14px 0 6px;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.85rem; line-height: 1.7;
  overflow-x: auto; white-space: pre; color: var(--dark-grey);
}
.code-caption {
  font-size: 0.82rem; color: var(--mid-grey);
  font-style: italic; text-align: center; margin-bottom: 16px;
}

/* ── Tables ── */
.tbl-wrap { overflow-x: auto; margin: 14px 0 22px; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
thead tr { background: var(--black); }
thead th { padding: 10px 13px; text-align: left; color: var(--white); font-weight: 700; font-size: 0.85rem; }
tbody tr:nth-child(odd)  { background: var(--white); }
tbody tr:nth-child(even) { background: var(--soft-bg); }
tbody td { padding: 9px 13px; border-bottom: 1px solid var(--rule); vertical-align: top; line-height: 1.5; }

/* ── Feedback box ── */
.feedback-box {
  background: var(--soft-bg);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0; margin: 52px 0 32px; overflow: hidden;
}
.feedback-stripe-top    { height: 3px; background: var(--black); }
.feedback-stripe-bottom { height: 3px; background: var(--black); }
.feedback-body { padding: 36px 44px; }
.feedback-box h2 { color: var(--black); margin-top: 0; font-size: 1.4rem; font-family: "DM Serif Display", serif; }
.feedback-box p  { color: var(--dark-grey); text-align: left; margin-bottom: 10px; }
.feedback-links  { display: flex; flex-wrap: nowrap; gap: 12px; margin-top: 22px; }
.fb-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: #444444; color: var(--white);
  font-weight: 700; padding: 11px 22px; border-radius: 4px;
  text-decoration: none; font-size: 0.9rem;
  font-family: "JetBrains Mono", monospace;
  transition: background 0.2s;
}
.fb-btn:hover { background: var(--black); text-decoration: none; }
.fb-btn.ghost {
  background: transparent; color: var(--dark-grey);
  border: 1.5px solid var(--rule);
}
.fb-btn.ghost:hover { border-color: var(--dark-grey); background: transparent; }
.fb-email { margin-top: 18px; font-size: 0.86rem; color: var(--mid-grey); }
.fb-email a { color: var(--dark-grey); text-decoration: underline; }

/* ── Article footer ── */
.article-footer {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem; color: var(--light-grey);
  text-align: center; margin-top: 40px;
  padding-top: 18px; border-top: 1px solid var(--rule);
}

/* ── Utterances Comments (styling adjustments) ── */
.utterances {
  max-width: 900px;
  margin: 52px auto 0 auto;
  padding: 0 40px; /* Match article-wrap padding */
  border-top: 1px solid var(--rule);
  padding-top: 40px;
}
.utterances-frame {
  max-width: none !important; /* Allow iframe to take full width of its container */
}

/* ── Article Feedback Meta (email, follow links) ── */
.article-feedback-meta {
  max-width: 900px;
  margin: 40px auto 0 auto;
  padding: 0 40px;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--mid-grey);
}
.article-feedback-meta a {
  color: var(--dark-grey);
  text-decoration: underline;
}
.article-feedback-meta a:hover {
  opacity: 1;
  color: var(--black);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .article-wrap  { padding: 0 20px 60px; }
  .level-card    { grid-template-columns: 1fr; }
  .concept-card  { grid-template-columns: 1fr; }
  .layer-card    { grid-template-columns: 1fr; }
  .feedback-body { padding: 28px 20px; }
  .doc-title-block { padding: 40px 0 36px; }
}