/* Savoy Visual Language V2 — introductions de chapitre */
.chapter-intro-page{--ci-navy:#254b63;--ci-brass:#ad8440;--ci-sage:#6b7a6f;--ci-line:#ddd5c7;--ci-soft:#f8f5ef;--ci-shadow:0 18px 48px rgba(43,49,52,.055);max-width:1040px;margin:0 auto;padding:40px 26px 82px;color:var(--ink,#2f2d28)}
.chapter-intro-page *{box-sizing:border-box}
.chapter-intro-hero{position:relative;overflow:hidden;margin:0 0 34px;padding:32px 38px 30px;border:1px solid var(--ci-line);border-radius:24px;background:radial-gradient(circle at 90% 10%,rgba(107,122,111,.12),transparent 31%),linear-gradient(145deg,#fffdfa,#f8f3e9 66%,#f1f5f2);box-shadow:var(--ci-shadow)}
.chapter-intro-hero:after{content:"";position:absolute;right:-70px;bottom:-94px;width:210px;height:210px;border:1px solid rgba(173,132,64,.11);border-radius:50%;box-shadow:0 0 0 30px rgba(173,132,64,.025);pointer-events:none}
.chapter-intro-hero>*{position:relative;z-index:1}
.chapter-intro-hero .editorial-breadcrumb{margin:0 0 18px;color:#68747b;font-size:.78rem}
.chapter-intro-hero .book-kicker{margin:0 0 8px;color:#896a31;font:800 .72rem/1.2 Arial,sans-serif;letter-spacing:.13em;text-transform:uppercase}
.chapter-intro-hero h1{max-width:900px;margin:0;color:var(--ci-navy);font:650 clamp(2.15rem,4.3vw,3.75rem)/1.05 Literata,Georgia,serif;letter-spacing:-.038em}
.chapter-intro-hero .lead{max-width:78ch;margin:16px 0 0;color:#5f5c55;font-size:1.04rem;line-height:1.68}
.chapter-intro-hero .intro-status{max-width:82ch;margin:22px 0 0;padding:14px 16px;border:1px solid #e2d7c4;border-left:3px solid var(--ci-brass);border-radius:0 12px 12px 0;background:rgba(255,255,255,.68);color:#5c564d;line-height:1.5}
.chapter-intro-seo-section{margin:34px 0;padding-top:25px;border-top:1px solid var(--ci-line)}
.chapter-intro-seo-section h2{margin:0 0 15px;color:var(--ci-navy);font:650 clamp(1.35rem,2.2vw,1.75rem)/1.22 Literata,Georgia,serif;letter-spacing:-.015em}
.chapter-intro-seo-section h3{margin:20px 0 7px;color:#3d5565;font:650 1.04rem/1.35 Literata,Georgia,serif}
.chapter-intro-seo-section p,.chapter-intro-seo-section li{max-width:78ch;line-height:1.68}
.chapter-intro-unit,.chapter-intro-critical,.chapter-intro-question{margin:0 0 12px;padding:15px 17px;border:1px solid var(--ci-line);border-radius:12px;background:#fff;box-shadow:0 5px 16px rgba(43,49,52,.022)}
.chapter-intro-unit h3,.chapter-intro-critical h3,.chapter-intro-question h3{margin:0 0 7px}
.chapter-intro-unit p,.chapter-intro-critical p,.chapter-intro-question p{margin:7px 0;color:#55534e}
.chapter-intro-question{border-left:3px solid var(--ci-sage);border-radius:0 12px 12px 0;background:#fafbf9}
.chapter-intro-critical{border-left:3px solid var(--ci-brass);border-radius:0 12px 12px 0;background:#fcfaf6}
.chapter-intro-seo-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chapter-intro-seo-actions a{display:inline-flex;align-items:center;min-height:38px;padding:8px 12px;border:1px solid var(--ci-line);border-radius:999px;background:#fff;color:var(--ci-navy);font-size:.82rem;font-weight:750;text-decoration:none;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.chapter-intro-seo-actions a:hover{transform:translateY(-1px);border-color:#c8b27e;box-shadow:0 8px 18px rgba(43,49,52,.05)}
.chapter-intro-page .scholarly-bibliography{margin:14px 0 0;padding:17px 20px 17px 38px;border:1px solid var(--ci-line);border-radius:14px;background:var(--ci-soft)}
.chapter-intro-page .scholarly-bibliography li+li{margin-top:7px}
.chapter-intro-hub-page>h1{color:var(--ci-navy);font:650 clamp(2.15rem,4vw,3.55rem)/1.07 Literata,Georgia,serif;letter-spacing:-.035em}
.chapter-intro-hub-page>.lead{max-width:78ch;color:#5d5a54;font-size:1.03rem;line-height:1.65}
.chapter-intro-hub-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:26px 0}
.chapter-intro-hub-book{padding:16px;border:1px solid var(--ci-line);border-radius:14px;background:#fff;box-shadow:0 7px 18px rgba(43,49,52,.025)}
.chapter-intro-hub-book h2{margin:0 0 10px;color:var(--ci-navy);font:650 1.1rem/1.3 Literata,Georgia,serif}
.chapter-intro-hub-chapters{display:flex;flex-wrap:wrap;gap:5px}
.chapter-intro-hub-chapters a{display:grid;place-items:center;min-width:34px;height:32px;padding:0 7px;border:1px solid var(--ci-line);border-radius:8px;background:var(--ci-soft);color:var(--ci-navy);font-size:.75rem;font-weight:750;text-decoration:none}
body[data-theme="dark"] .chapter-intro-hero,body[data-theme="dark"] .chapter-intro-page :is(.chapter-intro-unit,.chapter-intro-critical,.chapter-intro-question,.chapter-intro-hub-book,.scholarly-bibliography,.chapter-intro-seo-actions a){background:var(--surface);border-color:var(--line)}
body[data-theme="dark"] .chapter-intro-hero .intro-status{background:var(--surface-soft)}
@media(max-width:860px){.chapter-intro-hub-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.chapter-intro-page{padding:28px 16px 62px}.chapter-intro-hero{padding:25px 19px 23px;border-radius:20px}.chapter-intro-hero h1{font-size:clamp(2rem,10vw,2.65rem)}.chapter-intro-seo-section{margin:28px 0;padding-top:20px}.chapter-intro-hub-grid{grid-template-columns:1fr}.chapter-intro-unit,.chapter-intro-critical,.chapter-intro-question{padding:14px 15px}.chapter-intro-seo-actions a{width:100%;justify-content:center}}
@media(prefers-reduced-motion:reduce){.chapter-intro-page *{transition:none!important}}