/* ==========================================================================
   Cèdre Impérial — cedreimperialmeudon.com
   Feuille de style unique et externalisée · ambiance « Nature vivante »
   ========================================================================== */

/* ---------- 1. Variables ---------- */
:root{
  --fhead:'Fraunces',Georgia,serif;
  --fbody:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;

  --bg:#f6f8f3;
  --surface:#ffffff;
  --ink:#18261d;
  --ink-soft:#2f4038;
  --muted:#5b6b5f;

  --primary:#2d6a4f;
  --primary-d:#1b4332;
  --primary-l:#40916c;
  --primary-soft:rgba(45,106,79,.14);
  --on-primary:#ffffff;

  --line:rgba(24,38,29,.12);
  --line-strong:rgba(24,38,29,.26);
  --nav-bg:rgba(246,248,243,.92);
  --stats-bg:#eef3ea;
  --chip-bg:#eaf2ec;
  --foot-bg:#12281d;
  --foot-ink:#cfe0d4;

  --radius:11px;
  --radius-lg:16px;
  --shadow:0 24px 50px -30px rgba(0,0,0,.35);
  --wrap:1160px;
  --pad:26px;
}

/* ---------- 2. Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--fbody);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary-d);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--fhead);font-weight:600;letter-spacing:-.4px;line-height:1.15;margin:0}
:focus-visible{outline:3px solid var(--primary-l);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:12px 18px;z-index:100}
.skip:focus{left:12px;top:12px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 3. Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--fbody);font-weight:600;font-size:14.5px;line-height:1;
  padding:13px 22px;border-radius:var(--radius);border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;transition:transform .18s,box-shadow .18s,background .18s;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px -10px var(--primary)}
.btn-primary:hover{transform:translateY(-2px);background:var(--primary-d)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-d)}
.btn-light{background:#fff;color:var(--primary-d);box-shadow:none}
.btn-sm{padding:10px 16px;font-size:13.5px}
.btn-block{width:100%}

.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin:0}

/* ---------- 4. En-tête / navigation ---------- */
.nav{position:sticky;top:0;z-index:40;background:var(--nav-bg);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);height:68px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--fhead);font-weight:600;font-size:19px;color:var(--ink);white-space:nowrap}
.brand:hover{text-decoration:none}
.brand .mark{width:33px;height:33px;border-radius:50%;background:var(--primary);display:grid;place-items:center;color:#fff;font-size:16px;flex-shrink:0}
.nav-links{display:flex;gap:18px;margin-left:6px;white-space:nowrap;list-style:none;padding:0}
.nav-links a{font-size:13.5px;font-weight:500;color:var(--muted);position:relative;padding:6px 0;display:block}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--primary)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0}

/* sélecteur de langue */
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;font:inherit;font-size:13px;font-weight:600;color:var(--muted);
  padding:7px 9px;border:1px solid var(--line);border-radius:9px;background:transparent;cursor:pointer}
.lang-btn img{width:19px;height:13px;border-radius:2px}
.lang-menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:6px;min-width:150px;display:none;z-index:50}
.lang[data-open="true"] .lang-menu{display:block}
.lang-menu a{display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:8px;font-size:13.5px;color:var(--ink)}
.lang-menu a:hover{background:var(--chip-bg);text-decoration:none}
.lang-menu img{width:20px;height:14px;border-radius:2px}

/* burger mobile */
.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:transparent;
  place-items:center;color:var(--ink);cursor:pointer;flex-shrink:0}
/* sélecteur de langue réservé au menu mobile */
.lang-mobile{display:none}

/* ---------- 5. Hero d'accueil ---------- */
.hero{position:relative;min-height:min(84vh,640px);display:flex;align-items:flex-end;overflow:hidden;
  background:url('../img/cedre-imperial-tour-eiffel.jpg') center 38%/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,30,22,.15) 0%,rgba(12,30,22,.35) 55%,rgba(12,30,22,.85) 100%)}
.hero-in{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:56px var(--pad);width:100%;color:#fff}
.hero .eyebrow{color:#a7e0c0}
.hero h1{font-size:clamp(38px,6vw,64px);margin:16px 0 12px;color:#fff;line-height:1.02;text-shadow:0 2px 30px rgba(0,0,0,.4)}
.hero .lede{font-size:clamp(16px,2vw,18px);max-width:600px;color:rgba(255,255,255,.93);margin:0 0 26px}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap}

/* ---------- 6. Chiffres clés ---------- */
.stats{background:var(--stats-bg);border-bottom:1px solid var(--line)}
.stats-in{max-width:var(--wrap);margin:0 auto;padding:34px var(--pad);
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat .n{font-family:var(--fhead);font-size:clamp(28px,4vw,38px);font-weight:600;color:var(--primary);line-height:1}
.stat .l{font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- 7. Sections génériques ---------- */
.section{padding:clamp(44px,7vw,72px) 0}
.section-alt{background:var(--stats-bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:640px;margin:0 auto 40px;text-align:center}
.sec-head h2{font-size:clamp(26px,4vw,38px);margin:14px 0 12px}
.sec-head p{color:var(--muted);font-size:16px;margin:0}

.split{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:center}
.split .media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%}
.split h2{font-size:clamp(26px,4vw,38px);margin:12px 0 16px}
.split p{color:var(--muted);font-size:15.5px;margin:0 0 14px}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px;list-style:none;padding:0}
.chip{font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:20px;background:var(--chip-bg);color:var(--primary-d);border:1px solid var(--line)}

/* ---------- 8. Bloc protection / pétition ---------- */
.protect{background:var(--foot-bg);color:#fff;padding:clamp(44px,7vw,72px) 0}
.protect-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}
.protect .eyebrow{color:#8fd3ad}
.protect h2{font-size:clamp(26px,4vw,38px);color:#fff;margin:14px 0 14px}
.protect p{color:rgba(255,255,255,.82);font-size:16px;margin:0 0 24px;max-width:520px}
.petition-box{background:var(--surface);color:var(--ink);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.petition-box .k{font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary)}
.petition-box .big{font-family:var(--fhead);font-size:30px;font-weight:600;margin:6px 0 3px}
.petition-box small{color:var(--muted);font-size:12.5px;display:block}
.progress{height:9px;border-radius:9px;background:var(--line);overflow:hidden;margin:16px 0 8px}
.progress span{display:block;height:100%;background:var(--primary);border-radius:9px}
.petition-box .btn{margin-top:18px}

/* ---------- 9. Cartes (chapitres, vidéos, liens) ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s,border-color .2s;display:block;color:inherit}
.card:hover{transform:translateY(-4px);border-color:var(--primary);text-decoration:none}
.card .im{aspect-ratio:16/9;object-fit:cover;width:100%}
.card .b{padding:16px 17px}
.card .k{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--primary);margin-bottom:5px}
.card .t{font-family:var(--fhead);font-size:16.5px;font-weight:600;line-height:1.3;margin:0 0 6px}
.card .d{color:var(--muted);font-size:13.5px;margin:0}

/* vignette vidéo */
.vthumb{position:relative;display:grid;place-items:center;aspect-ratio:16/9;overflow:hidden;background:#0e1512}
.vthumb img{width:100%;height:100%;object-fit:cover;opacity:.92}
.vthumb::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.45))}
.play{position:absolute;width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.93);
  display:grid;place-items:center;color:var(--primary-d);z-index:2}
.play svg{margin-left:3px}
.ratio-16x9{position:relative;aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;background:#000}
.ratio-16x9 iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- 10. Sous-page : hero, sommaire, article ---------- */
.subhero{position:relative;min-height:330px;display:flex;align-items:flex-end;
  background:url('../img/cedre-imperial-tour-eiffel.jpg') center 40%/cover no-repeat}
.subhero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,30,22,.25),rgba(12,30,22,.55) 50%,rgba(12,30,22,.9))}
.subhero-in{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:34px var(--pad) 30px;width:100%;color:#fff}
.subhero h1{font-size:clamp(28px,5vw,46px);color:#fff;margin:14px 0 10px;text-shadow:0 2px 26px rgba(0,0,0,.4)}
.subhero .lede{font-size:clamp(15px,2vw,16.5px);color:rgba(255,255,255,.92);max-width:620px;margin:0}

.crumb{font-size:12.5px;color:rgba(255,255,255,.85);margin-bottom:14px}
.crumb ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:0;padding:0}
.crumb a{color:rgba(255,255,255,.85)}
.crumb li:not(:last-child)::after{content:"›";margin-left:8px;opacity:.5}
.chapter-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);color:#fff;font-size:12px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;padding:6px 12px;border-radius:20px;backdrop-filter:blur(6px)}
.meta-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.82);list-style:none;padding:0}
.meta-row li{display:flex;align-items:center;gap:6px}

.layout{max-width:var(--wrap);margin:0 auto;padding:44px var(--pad) 60px;
  display:grid;grid-template-columns:250px 1fr;gap:44px;align-items:start}
.toc{position:sticky;top:88px}
.toc h2{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 14px;font-family:var(--fbody)}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:c}
.toc li{counter-increment:c}
.toc a{display:flex;gap:10px;font-size:13.5px;color:var(--muted);padding:9px 11px;border-radius:9px;line-height:1.35}
.toc a::before{content:counter(c);font-weight:700;font-size:11.5px;color:var(--primary);opacity:.6;min-width:14px}
.toc a:hover{background:var(--chip-bg);color:var(--ink);text-decoration:none}
.toc a[aria-current="page"]{background:var(--primary-soft);color:var(--primary-d);font-weight:600}
.toc a[aria-current="page"]::before{opacity:1}
.toc .prog{height:4px;border-radius:4px;background:var(--line);margin-bottom:16px;overflow:hidden}
.toc .prog span{display:block;height:100%;background:var(--primary);border-radius:4px}

.article{max-width:720px}
.article h2{font-size:clamp(24px,3.4vw,31px);margin:44px 0 16px;scroll-margin-top:90px}
.article h2:first-child{margin-top:0}
.article h3{font-size:21px;margin:30px 0 10px}
.article p{font-size:16.5px;color:var(--ink-soft);margin:0 0 18px;line-height:1.75}
.article ul,.article ol{color:var(--ink-soft);font-size:16.5px;line-height:1.75;padding-left:22px}
.article li{margin-bottom:8px}
.article strong{color:var(--ink)}
.article .chapeau{font-size:19px;color:var(--ink);font-weight:500;line-height:1.6;
  border-left:3px solid var(--primary);padding-left:18px}
.article figure{margin:28px 0}
.article figure img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%}
.article figcaption{font-size:13px;color:var(--muted);margin-top:10px}

.pullquote{margin:32px 0;padding:26px 28px;background:var(--surface);border:1px solid var(--line);
  border-left:4px solid var(--primary);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.pullquote p{font-family:var(--fhead);font-size:21px;font-style:italic;color:var(--ink);margin:0 0 10px;line-height:1.45}
.pullquote cite{font-size:13px;color:var(--muted);font-style:normal;font-weight:600}

/* frise chronologique */
.timeline{margin:30px 0;position:relative;padding-left:30px;list-style:none}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--line))}
.timeline li{position:relative;margin-bottom:24px}
.timeline li::before{content:"";position:absolute;left:-30px;top:5px;width:16px;height:16px;border-radius:50%;
  background:var(--surface);border:3px solid var(--primary)}
.timeline .y{font-family:var(--fhead);font-size:19px;font-weight:700;color:var(--primary-d);line-height:1;margin-bottom:5px}
.timeline p{font-size:15.5px;margin:0;color:var(--ink-soft)}

/* fiche personnage */
.person{display:grid;grid-template-columns:88px 1fr;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:18px;margin:26px 0;box-shadow:var(--shadow)}
.person img{width:88px;height:88px;border-radius:12px;object-fit:cover}
.person h3{font-size:17px;margin:0 0 3px}
.person .dates{font-size:12.5px;color:var(--muted);margin-bottom:7px}
.person p{font-size:14px;margin:0;color:var(--ink-soft);line-height:1.6}

/* appel à l'action intégré */
.inline-cta{margin:36px 0;background:linear-gradient(135deg,#12281d,#1b4332);border-radius:var(--radius-lg);
  padding:28px;color:#fff;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.inline-cta h2,.inline-cta h3{font-size:21px;margin:0 0 6px;color:#fff}
.inline-cta p{font-size:14.5px;color:rgba(255,255,255,.85);margin:0}

/* navigation entre chapitres */
.chapnav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:44px 0 0;padding-top:28px;border-top:1px solid var(--line)}
.chapnav a{border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;background:var(--surface);color:inherit;transition:.2s}
.chapnav a:hover{border-color:var(--primary);transform:translateY(-2px);text-decoration:none}
.chapnav .k{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.chapnav .t{font-family:var(--fhead);font-size:17px;font-weight:600;line-height:1.25}
.chapnav .next{text-align:right}

/* ---------- 11. Pied de page ---------- */
.foot{background:var(--foot-bg);color:var(--foot-ink);padding:50px 0 24px}
.foot-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.foot h2{font-family:var(--fhead);font-size:16px;margin:0 0 13px;color:#fff}
.foot ul{list-style:none;padding:0;margin:0}
.foot a,.foot li{color:var(--foot-ink);font-size:13.5px;line-height:2}
.foot a{opacity:.85}
.foot a:hover{opacity:1;color:#fff}
.foot .brand{color:#fff}
.foot .about p{font-size:13.5px;opacity:.8;max-width:290px;margin:12px 0 0}
.foot-bottom{max-width:var(--wrap);margin:28px auto 0;padding:18px var(--pad) 0;
  border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;
  flex-wrap:wrap;font-size:12.5px;opacity:.75}
.foot-bottom a{font-size:12.5px}

/* ---------- 12. Bandeau cookies (RGPD) ---------- */
.cookie{position:fixed;left:0;right:0;bottom:0;z-index:80;background:#0e1512;color:#e8efe9;
  padding:18px var(--pad);display:none;box-shadow:0 -10px 40px rgba(0,0,0,.35)}
.cookie[data-show="true"]{display:block}
.cookie-in{max-width:var(--wrap);margin:0 auto;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.cookie p{margin:0;font-size:13.5px;flex:1;min-width:260px;line-height:1.55}
.cookie a{color:#8fd3ad}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- 13. Retour en haut ---------- */
.totop{position:fixed;right:20px;bottom:20px;z-index:60;width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;border:0;display:none;place-items:center;cursor:pointer;
  box-shadow:0 12px 28px -10px var(--primary)}
.totop[data-show="true"]{display:grid}

/* ---------- 14. Responsive ---------- */
@media (max-width:900px){
  .stats-in{grid-template-columns:repeat(2,1fr);gap:22px 14px}
  .split{grid-template-columns:1fr;gap:24px}
  .protect-in{grid-template-columns:1fr;gap:26px}
  .grid-3{grid-template-columns:1fr 1fr}
  .layout{grid-template-columns:1fr;gap:0}
  .toc{display:none}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  :root{--pad:16px}
  .burger{display:grid}
  .nav-links{position:absolute;left:0;right:0;top:68px;background:var(--surface);border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:8px 16px 16px;display:none;box-shadow:var(--shadow)}
  .nav[data-open="true"] .nav-links{display:flex}
  .nav-links a{padding:12px 0;font-size:15px;border-bottom:1px solid var(--line)}
  .nav-links a[aria-current="page"]::after{display:none}
  /* la barre mobile ne garde que : marque · bouton signer · burger */
  .nav-in{gap:10px}
  .nav-right{gap:8px}
  .nav-right .lang{display:none}
  .nav-right .btn span.long{display:none}
  .nav-right .btn{padding:10px 13px;font-size:13px}
  .brand{font-size:17px}
  .brand .mark{width:30px;height:30px;font-size:15px}
  /* le sélecteur de langue rejoint le menu déroulant */
  .lang-mobile{display:flex;gap:10px;padding:14px 0 4px}
  .lang-mobile a{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;
    padding:9px 13px;border:1px solid var(--line);border-radius:9px;color:var(--ink)}
  .lang-mobile img{width:20px;height:14px;border-radius:2px}
  .hero-in{padding:34px var(--pad)}
  .hero-cta .btn{flex:1}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .inline-cta{grid-template-columns:1fr;padding:22px}
  .chapnav{grid-template-columns:1fr}
  .chapnav .next{text-align:left}
  .person{grid-template-columns:66px 1fr}
  .person img{width:66px;height:66px}
  .foot-in{grid-template-columns:1fr 1fr}
  .foot-bottom{flex-direction:column;gap:8px}
}

/* ---------- 15. Impression & préférences ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{
  .nav,.foot,.cookie,.totop,.toc,.inline-cta,.chapnav{display:none!important}
  body{background:#fff}
  .subhero::after{display:none}
}

/* ==========================================================================
   16. Fenêtre modale (consultation d'un site externe sans quitter la page)
   ========================================================================== */
.modal{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:24px}
.modal[data-open="true"]{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(10,17,14,.72);backdrop-filter:blur(3px)}
.modal-box{position:relative;z-index:2;background:var(--surface);border-radius:var(--radius-lg);
  width:min(1100px,100%);height:min(760px,88vh);display:flex;flex-direction:column;overflow:hidden;
  box-shadow:0 50px 90px -30px rgba(0,0,0,.6)}
.modal-head{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line);flex-shrink:0}
.modal-head .t{font-family:var(--fhead);font-size:17px;font-weight:600;margin:0}
.modal-head .u{font-size:12.5px;color:var(--muted);margin:2px 0 0}
.modal-head .actions{margin-left:auto;display:flex;gap:10px;align-items:center}
.modal-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:transparent;
  display:grid;place-items:center;cursor:pointer;color:var(--ink);flex-shrink:0}
.modal-close:hover{background:var(--chip-bg)}
.modal-body{flex:1;position:relative;background:var(--stats-bg);min-height:0}
.modal-body iframe{width:100%;height:100%;border:0;display:block}
.modal-fallback{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px 28px;gap:14px}
.modal-fallback[data-show="true"]{display:flex}
.modal-fallback h3{font-family:var(--fhead);font-size:22px;margin:0}
.modal-fallback p{color:var(--muted);font-size:15px;max-width:440px;margin:0}
.modal-loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:14px}
.modal-loading[data-hide="true"]{display:none}
@media (max-width:720px){
  .modal{padding:0}
  .modal-box{height:100%;border-radius:0;width:100%}
}

/* ==========================================================================
   17. Galerie Instagram (#hashtag)
   ========================================================================== */
.ig-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.ig-tag{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;
  padding:8px 14px;border-radius:22px;background:var(--chip-bg);border:1px solid var(--line);color:var(--primary-d)}
.ig-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:900px){.ig-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:600px){.ig-grid{grid-template-columns:repeat(2,1fr)}}
.ig-item{position:relative;aspect-ratio:1;border-radius:var(--radius);overflow:hidden;background:var(--chip-bg);
  border:1px solid var(--line);display:block}
.ig-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.ig-item:hover img{transform:scale(1.05)}
.ig-item .cap{position:absolute;inset:auto 0 0 0;padding:26px 10px 9px;color:#fff;font-size:11.5px;line-height:1.35;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.75));opacity:0;transition:opacity .25s}
.ig-item:hover .cap{opacity:1}
.ig-skeleton{aspect-ratio:1;border-radius:var(--radius);background:linear-gradient(100deg,var(--chip-bg) 30%,#f3f7f3 50%,var(--chip-bg) 70%);
  background-size:300% 100%;animation:sk 1.4s infinite}
@keyframes sk{0%{background-position:100% 0}100%{background-position:-100% 0}}
.ig-empty{grid-column:1/-1;text-align:center;padding:38px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);background:var(--surface)}
.ig-empty h3{font-family:var(--fhead);font-size:20px;margin:0 0 8px}
.ig-empty p{color:var(--muted);font-size:14.5px;margin:0 auto 18px;max-width:460px}

/* ==========================================================================
   18. Grille de photographies (galerie)
   ========================================================================== */
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:900px){.photo-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.photo-grid{grid-template-columns:1fr}}
.photo{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .2s}
.photo:hover{transform:translateY(-3px)}
.photo img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block}
.photo figcaption{padding:12px 14px;font-size:13.5px;color:var(--muted);line-height:1.45}

/* ==========================================================================
   19. Diaporama — contenu dans la largeur de lecture, jamais pleine fenêtre
   ========================================================================== */
.slider{max-width:900px;margin:0 auto}
.slider-stage{position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:#0e1512;box-shadow:var(--shadow);aspect-ratio:1.86/1}
.slide{position:absolute;inset:0;margin:0;opacity:0;visibility:hidden;
  transition:opacity .5s ease;display:flex;align-items:center;justify-content:center}
.slide.is-active{opacity:1;visibility:visible}
.slide img{width:100%;height:100%;object-fit:contain;background:#0e1512}
.slide figcaption{position:absolute;left:0;right:0;bottom:0;padding:38px 18px 14px;
  color:#fff;font-size:14px;line-height:1.45;text-align:center;
  background:linear-gradient(180deg,transparent,rgba(8,14,11,.88))}

.slider-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:42px;height:42px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.9);color:var(--primary-d);display:grid;place-items:center;
  transition:background .2s,transform .2s}
.slider-nav:hover{background:#fff;transform:translateY(-50%) scale(1.06)}
.slider-nav.prev{left:12px}
.slider-nav.next{right:12px}
.slider-play{position:absolute;top:12px;right:12px;z-index:3;width:34px;height:34px;
  border-radius:50%;border:0;cursor:pointer;background:rgba(255,255,255,.85);
  color:var(--primary-d);display:grid;place-items:center}
.slider-play .i-play{display:none}
.slider[data-paused="true"] .slider-play .i-play{display:block}
.slider[data-paused="true"] .slider-play .i-pause{display:none}

.slider-dots{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:14px}
.slider-dots button{width:8px;height:8px;padding:0;border-radius:50%;border:0;cursor:pointer;
  background:var(--line-strong);opacity:.45;transition:.2s}
.slider-dots button:hover{opacity:.8}
.slider-dots button.is-active{opacity:1;background:var(--primary);width:22px;border-radius:5px}

@media (max-width:720px){
  .slider-stage{aspect-ratio:3/2}
  .slide figcaption{font-size:12.5px;padding:30px 12px 12px}
  .slider-nav{width:36px;height:36px}
  .slider-dots button{width:7px;height:7px}
  .slider-dots button.is-active{width:18px}
}

/* ==========================================================================
   20. Figure d'appel — image mise en évidence en ouverture d'article
   ========================================================================== */
.figure-appel{margin:0 0 30px;position:relative}
.figure-appel img{width:100%;border-radius:var(--radius-lg);box-shadow:0 26px 55px -28px rgba(0,0,0,.45);
  border:1px solid var(--line)}
.figure-appel figcaption{font-size:13.5px;color:var(--muted);margin-top:12px;line-height:1.5;
  padding-left:14px;border-left:3px solid var(--primary)}

/* ==========================================================================
   21. Vidéos de contexte dans un chapitre
   ========================================================================== */
.chap-videos{margin:44px 0 0;padding-top:32px;border-top:1px solid var(--line)}
.chap-videos h2{font-size:24px;margin:0 0 8px}
.chap-videos-intro{font-size:14.5px;color:var(--muted);margin:0 0 22px}
.chap-videos-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.chap-videos-grid .card .b{padding:13px 14px}
.chap-videos-grid .card .t{font-size:15px;margin:0 0 4px}
.chap-videos-grid .card .d{font-size:12.5px}
@media (max-width:720px){.chap-videos-grid{grid-template-columns:1fr}}

/* ==========================================================================
   22. Visionneuse d'image (lightbox) — ouvre une photo en grand
   ========================================================================== */
.photo{cursor:zoom-in}
.photo .zoom{position:absolute;top:10px;right:10px;width:32px;height:32px;border-radius:50%;
  background:rgba(255,255,255,.9);color:var(--primary-d);display:grid;place-items:center;
  opacity:0;transition:opacity .2s;pointer-events:none}
.photo{position:relative}
.photo:hover .zoom,.photo:focus-within .zoom{opacity:1}

.lightbox{position:fixed;inset:0;z-index:120;display:none;
  background:rgba(8,14,11,.94);backdrop-filter:blur(6px)}
.lightbox[data-open="true"]{display:flex;flex-direction:column}
.lightbox-head{display:flex;align-items:center;gap:14px;padding:14px 18px;color:#fff;flex-shrink:0}
.lightbox-head .compte{font-size:13px;opacity:.7;font-variant-numeric:tabular-nums}
.lightbox-head .spacer{flex:1}
.lightbox-btn{width:42px;height:42px;border-radius:50%;border:0;cursor:pointer;flex-shrink:0;
  background:rgba(255,255,255,.14);color:#fff;display:grid;place-items:center;transition:background .2s}
.lightbox-btn:hover{background:rgba(255,255,255,.28)}
.lightbox-body{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;
  padding:0 18px;position:relative}
.lightbox-body img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.8)}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;
  border-radius:50%;border:0;cursor:pointer;background:rgba(255,255,255,.16);color:#fff;
  display:grid;place-items:center;transition:background .2s}
.lightbox-nav:hover{background:rgba(255,255,255,.3)}
.lightbox-nav.prev{left:14px}
.lightbox-nav.next{right:14px}
.lightbox-foot{padding:16px 18px 24px;text-align:center;color:#fff;flex-shrink:0}
.lightbox-foot .titre{font-family:var(--fhead);font-size:18px;font-weight:600;margin:0 0 4px}
@media (max-width:720px){
  .lightbox-body{padding:0 8px}
  .lightbox-nav{width:38px;height:38px}
  .lightbox-nav.prev{left:6px}.lightbox-nav.next{right:6px}
  .lightbox-foot .titre{font-size:15.5px}
}

/* ==========================================================================
   23. Comparaison visuelle — deux situations côte à côte
   ========================================================================== */
.compare{margin:34px 0;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare figure{margin:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.compare img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.compare .etiq{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;padding:9px 14px;color:#fff}
.compare .ici  .etiq{background:#b23a2e}
.compare .ailleurs .etiq{background:var(--primary)}
.compare figcaption{padding:14px 16px;font-size:14px;color:var(--ink-soft);line-height:1.55;flex:1}
.compare figcaption strong{color:var(--ink)}
@media (max-width:720px){.compare{grid-template-columns:1fr;gap:14px}}