/* ═══════════════════════════════════════════════════════════════
   Histoire de la philosophie — la frise racontée
   ═══════════════════════════════════════════════════════════════ */

.hist-app { max-width: 1040px; margin: 0 auto; padding: 26px 18px 80px; }

.hist-hero { margin-bottom: 22px; }
.hist-book-hero {
  position:relative; overflow:hidden; padding:clamp(24px, 5vw, 42px);
  border:1px solid rgba(60,60,114,.17); border-radius:22px;
  background:radial-gradient(circle at 88% 10%, rgba(63,143,107,.17), transparent 22%), linear-gradient(135deg, #fbfaf6, #f0f1fa);
  box-shadow:0 18px 42px rgba(31,31,75,.08);
  background-image:linear-gradient(90deg, rgba(251,250,246,.94) 0%, rgba(251,250,246,.86) 36%, rgba(251,250,246,.30) 58%, rgba(251,250,246,0) 76%), url('../images/accueil/histoire-v1.jpg');
  background-repeat:no-repeat; background-size:100% 100%, cover; background-position:center, 70% center; min-height:300px; padding-right:min(46%, 440px);
}
.hist-book-hero::after { content:'I  ·  II  ·  III  ·  IV'; position:absolute; right:22px; top:22px; font:600 11px system-ui,sans-serif; letter-spacing:.16em; color:rgba(60,60,114,.45); }
.hist-hero h1 { margin: 14px 0 4px; font-size: 30px; }
.hist-sous { margin: 0 0 10px; font: 400 15.5px/1.5 Georgia, serif; color: #55556f; font-style: italic; }
/* Les quatre âges : la légende du I · II · III · IV, calée à gauche. */
.hist-ages { margin: 14px 0 0; text-align: left; max-width: 64ch; }
.hist-situation {
  margin: 0 0 12px; font: 400 14.5px/1.6 Georgia, serif; color: #3b3b5c;
}
.hist-situation sup { font-size: .68em; }
.hist-ages ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.hist-ages li { display: flex; gap: 10px; align-items: baseline; }
.hist-age-num {
  flex: none; width: 26px; text-align: right;
  font: 700 12px/1.4 system-ui, sans-serif; color: #3f8f6b; letter-spacing: .06em;
}
.hist-age-corps { display: block; }
.hist-age-corps b { font: 700 13.5px/1.4 system-ui, sans-serif; color: #26264a; }
.hist-age-dates {
  display: block; font: 400 11.5px/1.4 system-ui, sans-serif; color: #7a7a94; margin: 1px 0 2px;
}
.hist-age-quoi { display: block; font: 400 13px/1.6 Georgia, serif; color: #50506a; }

/* Les progrès conceptuels, calés à gauche sous le titre.
   Colonne étroite et fer à gauche : on la lit d'un seul mouvement de l'œil,
   sans que la ligne coure sous l'illustration. */
.hist-progres { margin: 18px 0 0; text-align: left; max-width: 62ch; }
.hist-progres-tete {
  margin: 0 0 14px; max-width: 58ch;
  font: 400 14px/1.6 Georgia, serif; color: #4a4a68;
}
.hist-progres dl { margin: 0; display: grid; gap: 11px; }
.hist-progres dt {
  font: 700 13.5px/1.4 system-ui, sans-serif; color: #26264a;
}
.hist-progres-quand {
  font: 400 12px/1.4 system-ui, sans-serif; color: #7a7a94;
  white-space: nowrap;
}
.hist-progres dd {
  margin: 2px 0 0; font: 400 13.5px/1.62 Georgia, serif; color: #50506a;
  border-left: 2px solid rgba(63,143,107,.35); padding-left: 11px;
}

.hist-sommaire {
  display: flex; flex-wrap: wrap; gap: 7px;
  margin: 18px 0 30px;
}
.hist-sommaire a {
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(20,20,60,.14); background: #fff;
  font: 500 12.5px system-ui, sans-serif; color: #4a4a68;
  text-decoration: none;
}
.hist-sommaire a:hover { border-color: #6a6ab0; color: #2c2c52; background: #f6f6fd; }

.hist-frise { position: relative; }
.hist-frise::before {
  content: ''; position: absolute; left: 17px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(#c9c9e4, #a9cfbb);
}

.hist-periode { display: flex; gap: 22px; margin-bottom: 34px; position: relative; }

.hist-rail { flex: 0 0 36px; }
.hist-point {
  position: sticky; top: 16px;
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: #3c3c72; color: #fff;
  font: 700 14px system-ui, sans-serif;
  box-shadow: 0 0 0 4px #fff;
}

.hist-corps {
  flex: 1 1 auto; min-width: 0;
  background: #fff; border: 1px solid rgba(20,20,50,.1); border-radius: 16px;
  padding: 20px 24px 18px;
  box-shadow: 0 7px 22px rgba(20,20,50,.06);
}

.hist-dates {
  font: 600 11px system-ui, sans-serif; letter-spacing: .08em;
  text-transform: uppercase; color: #8a8aa4;
}
.hist-corps h2 { margin: 3px 0 6px; font-size: 22px; color: #23233c; }
.hist-question {
  margin: 0 0 12px; font: italic 500 15px/1.5 Georgia, serif; color: #3f6b56;
}
.hist-question::before { content: '— '; }

.hist-notice p {
  margin: 0 0 12px;
  font: 400 15px/1.8 Georgia, 'Times New Roman', serif;
  color: #2c2c3f; text-align: justify;
}
.hist-notice p:last-child { margin-bottom: 0; }

.hist-lbl {
  display: inline-block; margin-right: 8px;
  font: 600 10.5px system-ui, sans-serif; letter-spacing: .07em;
  text-transform: uppercase; color: #9a9ab4;
}

.hist-reperes { margin-top: 14px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; }
.hist-repere {
  padding: 3px 10px; border-radius: 999px;
  background: #eef2fb; border: 1px solid #cdd8ee;
  font: 500 12px system-ui, sans-serif; color: #3f5486;
}

.hist-auteurs { margin-top: 10px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; }
.hist-chip {
  padding: 4px 11px; border-radius: 999px;
  border: 1px solid rgba(20,20,60,.14); background: #fff;
  font: 500 12.5px system-ui, sans-serif; color: #3c3c5c;
  text-decoration: none;
}
.hist-chip b { color: #3f8f6b; font-weight: 700; margin-left: 2px; }
a.hist-chip:hover { border-color: #3f8f6b; background: #f2f9f5; }
.hist-chip--absent { color: #a0a0b8; border-style: dashed; }

.hist-brehier {
  margin: 14px 0 0; padding-top: 11px;
  border-top: 1px solid rgba(20,20,50,.07);
  font: 400 12.5px/1.6 system-ui, sans-serif; color: #7a7a96;
}
.hist-bientot { color: #a8a8c0; }

@media (max-width: 640px) {
  .hist-frise::before { display: none; }
  .hist-rail { display: none; }
  .hist-corps { padding: 16px 16px 14px; }
}

/* ── Lien « Lire le récit » sur la frise ─────────────────────── */
.hist-recit-lien { margin: 14px 0 0; }
.hist-recit-lien .btn {
  display: inline-block; padding: 7px 16px; border-radius: 999px;
  background: #3c3c72; color: #fff; text-decoration: none;
  font: 600 12.5px system-ui, sans-serif; border: 1px solid #3c3c72;
}
.hist-recit-lien .btn:hover { background: #2c2c52; }

/* ── Page récit ──────────────────────────────────────────────── */
.hist-app--recit { max-width: 760px; }
.hist-hero--recit h1 {
  font: 600 34px/1.2 'Source Serif 4', Georgia, serif; margin: 10px 0 6px;
}
.hist-hero--recit .hist-dates { display: block; margin-top: 14px; }
.hist-recit {
  background: #fff; border: 1px solid rgba(20,20,50,.1); border-radius: 16px;
  padding: 30px 34px; box-shadow: 0 2px 14px rgba(20,20,50,.05);
}
.hist-recit p {
  margin: 0 0 18px;
  font: 400 16.5px/1.85 'Source Serif 4', Georgia, 'Times New Roman', serif;
  color: #26263a; text-align: justify;
}
.hist-recit p:last-child { margin-bottom: 0; }
.hist-recit p:first-child::first-letter {
  font-size: 52px; line-height: .85; float: left;
  padding: 6px 8px 0 0; color: #3c3c72; font-weight: 600;
}
.hist-app--recit .hist-brehier {
  border-top: none; margin-top: 18px; text-align: center;
  font-size: 13px;
}
.hist-recit-nav {
  display: flex; justify-content: space-between; gap: 12px; margin-top: 26px;
}
.hist-recit-nav a {
  max-width: 46%; padding: 10px 16px; border-radius: 12px;
  border: 1px solid rgba(20,20,60,.14); background: #fff;
  font: 500 13px/1.4 system-ui, sans-serif; color: #3c3c5c;
  text-decoration: none;
}
.hist-recit-nav a:hover { border-color: #6a6ab0; background: #f6f6fd; }
.hist-nav-suiv { margin-left: auto; text-align: right; }

@media (max-width: 640px) {
  .hist-recit { padding: 20px 18px; }
  .hist-hero--recit h1 { font-size: 27px; }
}

@media (max-width:700px) {
  .hist-book-hero { padding:206px 20px 22px; background-image:none; }
  .hist-book-hero::before { content:''; position:absolute; left:0; right:0; top:0; height:190px; z-index:0;
    background-image:linear-gradient(180deg, rgba(0,0,0,0) 55%, #fbfaf6 100%), url('../images/accueil/histoire-v1.jpg');
    background-repeat:no-repeat; background-size:100% 100%, cover; background-position:center, 60% 40%; }
  .hist-book-hero > * { position:relative; z-index:1; }
}

/* Les seize chapitres illustrés : papier, encre et lumière. */
body:has(.hist-app){background:#f6f3ec;color:#203833}
.hist-periode{scroll-margin-top:90px;margin-bottom:38px}
.hist-frise::before{background:linear-gradient(#ba9451,#9bb3a4);width:1px}
.hist-point{background:#24453e;color:#fff2d7;box-shadow:0 0 0 5px #f6f3ec;border:1px solid #a47d3f}
.hist-corps{padding:0 30px 24px;border-color:#dfd6c4;background:#fffdf8;border-radius:20px;overflow:hidden;box-shadow:0 12px 32px #3433230a}
.hist-chapter-header{display:grid;grid-template-columns:46% 1fr;align-items:center;gap:26px;margin:0 -30px 24px;background:#eee9df;border-bottom:1px solid #dfd6c4}
.hist-illustration{display:block;line-height:0;background:#1d3436}
.hist-illustration img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}
.hist-illustration:focus-visible{outline:4px solid #b48135;outline-offset:-4px}
.hist-heading{padding:22px 26px 22px 0}
.hist-chapter-label{display:block;color:#886224;font:700 10px/1.5 system-ui,sans-serif;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.hist-dates{color:#5d695f;line-height:1.5}
.hist-corps h2{font-size:clamp(23px,2.8vw,31px);line-height:1.15;color:#1e3834;margin:7px 0 12px}
.hist-question{color:#46634f;font-size:16px;margin:0}
.hist-notice p{font-size:16px;line-height:1.85;text-align:left;color:#343c37;max-width:78ch}
.hist-repere{background:#f5eddd;border-color:#e4d3b1;color:#705121}
.hist-chip{background:#fffdf8;border-color:#dcd7c9;color:#3e554b}
.hist-chip--absent{color:#757b73}
.hist-lbl{color:#797563}
.hist-recit-lien .btn{background:#284f43;border-color:#284f43;padding:10px 18px}
.hist-recit-lien .btn:hover{background:#183b31}
.hist-brehier{color:#6b7167;border-color:#e7dfd0}
.hist-sommaire a{background:#fffdf8;border-color:#ded4c2;color:#41594c}
.hist-sommaire a:hover{background:#eee6d7;color:#233e34;border-color:#b3945d}
.hist-recit-illustration{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;border-radius:18px;margin:24px 0;background:#1d3436;box-shadow:0 12px 32px #34332312}
.hist-app--recit{max-width:820px}
.hist-recit{background:#fffdf8;border-color:#dfd6c4}
.hist-recit p{text-align:left;color:#343c37}
.hist-recit p:first-child::first-letter{color:#947037}
@media(max-width:700px){
 .hist-chapter-header{grid-template-columns:1fr;gap:0;margin:0 -20px 20px}
 .hist-heading{padding:22px 20px}
 .hist-corps{padding:0 20px 20px}
 .hist-notice p{font-size:16px;line-height:1.75}
 .hist-chapter-label{margin-bottom:7px}
}
@media print{.hist-periode{break-inside:avoid}.hist-illustration{max-width:260px}.hist-corps{box-shadow:none}}

/* Textes lus (phonothèque) — liens par période */
.hist-ecoutes { margin-top: 10px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; }
.hist-ecoute {
  padding: 4px 12px 4px 27px; border-radius: 999px; position: relative;
  border: 1px solid rgba(166,124,0,.28); background: #fffaf0;
  font: 500 12.5px system-ui, sans-serif; color: #6a5320; text-decoration: none;
}
.hist-ecoute::before { content: "\266A"; position: absolute; left: 12px; color: #a67c00; font-size: 12px; }
a.hist-ecoute:hover { border-color: #a67c00; background: #fff3d9; color: #5a4410; }

/* Synthèse d'ouverture de la frise */
.hist-synthese{max-width:60ch;margin:.5em 0 0;font-size:15px;line-height:1.55;color:#2b3340;text-shadow:0 1px 2px rgba(255,255,255,.5)}
@media(max-width:640px){.hist-synthese{color:#e8e2d2;text-shadow:0 1px 3px rgba(0,0,0,.5)}}