/* Lecture : exemples, questions et repères éditoriaux. */
.reader-faq { border-top: 1px solid var(--edge); background: #0a101c; }
.reader-faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.reader-faq h2 { font-size: clamp(34px, 3.5vw, 49px); line-height: 1.14; letter-spacing: -.035em; font-weight: 500; margin: 23px 0; }
.reader-faq h2 span { color: var(--gold-light); }
.reader-faq-grid > div > p:not(.meta) { color: #aab5c7; max-width: 30ch; font-size: 15px; line-height: 1.8; }
.reader-answer { border-top: 1px solid rgba(217,164,92,.25); }
.reader-answer:last-child { border-bottom: 1px solid rgba(217,164,92,.25); }
.reader-answer summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 22px 0; cursor: pointer; list-style: none; color: #f5f0e7; font-size: 16px; font-weight: 600; line-height: 1.5; }
.reader-answer summary::-webkit-details-marker { display: none; }
.reader-answer summary::after, .reader-answer[open] summary::after { content: none; }
.reader-answer summary > span { color: var(--gold); font-size: 24px; flex: 0 0 auto; font-weight: 400; }
.reader-answer[open] summary > span { transform: rotate(45deg); }
.reader-answer > div { padding-bottom: 25px; }
.reader-answer > div > p { margin: 0 0 18px; font-size: 14px; line-height: 1.85; color: #b8c3d4; }
.reader-answer .text-link { font-size: 12px; }
.viewing-notes { background: #0a101c; border-block: 1px solid var(--edge); }
.viewing-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 45px; }
.viewing-grid > article { border-top: 1px solid rgba(217,164,92,.38); padding-top: 24px; }
.viewing-grid h3 { font-size: 25px; font-weight: 500; letter-spacing: -.025em; line-height: 1.3; margin: 20px 0; }
.viewing-grid p:not(.meta) { color: #b8c3d4; font-size: 14px; line-height: 1.85; }
.viewing-grid .text-link { margin-top: 9px; display: inline-block; font-size: 12px; }
.editorial-source { margin: 38px 0 0; color: #aab5c7; font-size: 11px; line-height: 1.8; }
.editorial-source a { color: var(--gold-light); text-decoration: underline; text-underline-offset: 3px; }
.research-focus { margin: 30px 0 26px; padding: 24px 26px; background: #eee8dc; border-left: 2px solid #a47638; }
.echelle .read-block { grid-template-columns: minmax(0,.38fr) minmax(0,1fr); gap: 28px; }
.echelle .read-block h2 { font-size: clamp(30px,3.1vw,41px); line-height: 1.12; }
.echelle #suite { grid-template-columns: minmax(0,1fr); }
.echelle .read-block > div:not(.detail-art) > p { font-size: 15px; line-height: 1.85; }
.research-focus h3 { color: #202938; font-size: 24px; line-height: 1.35; margin: 12px 0 18px; }
.research-focus p:last-child { margin-bottom: 0; }
.echelle .source-inline { font-size: 12px; line-height: 1.7; margin: 18px 0 26px; color: #596270; }
.echelle .source-inline a, .research-focus a { color: #815919; text-decoration: underline; text-underline-offset: 3px; }
.echelle .reader-answer { margin-top: 28px; }
.echelle .reader-answer summary { color: #303845; font-size: 15px; }
.echelle .reader-answer summary > span { color: #8b642b; }
.echelle .reader-answer > div > p { color: #485361; font-size: 15px; }
.codon-example { display: flex; align-items: center; gap: 23px; margin: 28px 0; color: #426351; }
.codon-letters { display: flex; gap: 5px; }
.codon-letters b { display: inline-flex; align-items: center; justify-content: center; width: 43px; height: 51px; background: #e1e9df; border: 1px solid #b8cab9; font-weight: 500; font-size: 23px; }
.codon-example small { display: block; font-size: 10px; margin-top: 4px; letter-spacing: .04em; }
@media (max-width: 860px) {
  .reader-faq-grid { gap: 35px; grid-template-columns: 1fr 1.4fr; }
  .viewing-grid { gap: 25px; }
  .viewing-grid h3 { font-size: 22px; }
  .echelle .read-block { grid-template-columns: minmax(0,1fr); }
  .echelle .detail-art { max-height: 220px; width: 100%; }
}
@media (min-width: 861px) { .echelle .detail-art { position: sticky; top: 28px; } }
@media (max-width: 600px) {
  .reader-faq-grid, .viewing-grid { grid-template-columns: minmax(0,1fr); gap: 28px; }
  .reader-answer summary { font-size: 15px; gap: 18px; padding-block: 20px; }
  .research-focus { padding: 20px; margin-block: 25px; }
  .research-focus h3 { font-size: 22px; }
  .codon-example { gap: 14px; font-size: 14px; }
  .codon-letters b { width: 34px; height: 44px; font-size: 21px; }
}