/* ==========================================================
   MAG - MOTEUR DE DIAPORAMA
   Format commun à tous les documents de travail.
   Slides 16/9, navigation clavier et souris, cadre sombre.
   ========================================================== */

:root{
  --ink:#171512;
  --cream:#f4efe7;
  --paper:#fbf8f2;
  --taupe:#c9bca8;
  --gold:#b99a62;
  --gold-soft:#d4b176;
  --deep:#20201d;
  --muted:#756f66;
  --line:#ded4c6;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family:'Inter', Arial, sans-serif;
  color:var(--ink);
  background:#1d1d1a;
}

.serif{ font-family:'Lora', Georgia, serif; }

/* ---------- COQUE ---------- */

.page-shell{ width:100%; min-height:100vh; background:#1d1d1a; }

.topbar{
  height:64px; display:flex; align-items:center; justify-content:space-between;
  padding:0 28px; color:#eee8de;
  border-bottom:1px solid rgba(255,255,255,.1);
  background:#1c1b18;
  position:sticky; top:0; z-index:20;
}

.brand-mini{ font-size:11px; letter-spacing:.22em; text-transform:uppercase; }
.brand-mini a{ color:#eee8de; text-decoration:none; }
.brand-mini .sep{ color:#6f6862; margin:0 10px; }
.brand-mini .doc{ color:#b8ad9d; }

.nav-controls{ display:flex; align-items:center; gap:18px; }

.circle-btn{
  width:34px; height:34px; border:1px solid rgba(255,255,255,.24);
  border-radius:999px; display:grid; place-items:center;
  color:#f6f0e8; background:none; cursor:pointer;
  transition:background .25s ease, color .25s ease;
  font-size:15px; line-height:1;
}
.circle-btn:hover, .circle-btn:focus{ background:#f0e7db; color:#171512; outline:none; }

.pager{ display:flex; gap:7px; align-items:center; }
.page-dot{
  width:7px; height:7px; border-radius:999px; background:rgba(255,255,255,.28);
  border:none; padding:0; cursor:pointer; transition:.25s ease;
}
.page-dot.active{ width:22px; background:var(--gold-soft); }

.back-link{
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:#d4b176; text-decoration:none; white-space:nowrap;
}
.back-link:hover{ color:#fff; }

/* ---------- SCÈNE ---------- */

.stage{ width:100%; padding:22px; display:flex; justify-content:center; }

.deck{
  width:min(1280px, 100%);
  aspect-ratio:16/9;
  position:relative;
  background:var(--paper);
  box-shadow:0 30px 80px rgba(0,0,0,.3);
  overflow:hidden;
}

.slide{
  position:absolute; inset:0;
  opacity:0; pointer-events:none; transform:translateX(24px);
  transition:opacity .45s ease, transform .45s ease;
  background:var(--paper);
  overflow:auto;
}
.slide.active{ opacity:1; pointer-events:auto; transform:none; }

.page-pad{ padding:50px 60px; height:100%; }
.page-num{
  position:absolute; right:38px; bottom:26px;
  font-size:12px; letter-spacing:.18em; color:#8d8578; text-transform:uppercase;
}

/* ---------- COUVERTURE ---------- */

.cover{ background:var(--deep); }
.cover-grid{ position:relative; z-index:2; height:100%; display:grid; grid-template-columns:1.08fr .92fr; }
.cover-left{ padding:58px 60px; color:var(--cream); display:flex; flex-direction:column; justify-content:space-between; }
.cover-right{
  background:linear-gradient(145deg,#3a2f24,#7a6349);
  background-size:cover;
  background-position:center;
  position:relative;
}
.cover-right::after{
  content:''; position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(20,18,15,.97) 0%, rgba(20,18,15,.82) 38%, rgba(20,18,15,.66) 100%),
    linear-gradient(180deg, rgba(20,18,15,.35), rgba(20,18,15,.55));
}
.cover-kicker{ font-size:11px; letter-spacing:.32em; text-transform:uppercase; color:#d7c3a3; }
.cover-title{ font-size:clamp(30px,3.6vw,54px); line-height:1.04; font-weight:500; max-width:640px; margin:22px 0 16px; }
.cover-sub{ font-size:14px; line-height:1.7; color:#cdc2b2; max-width:520px; }
.cover-author{ font-size:12px; letter-spacing:.04em; color:#bdb2a2; }
.cover-author strong{ display:block; font-family:'Lora',Georgia,serif; font-size:16px; color:#f4efe7; margin-bottom:4px; font-weight:500; }
.gold-rule{ width:64px; height:2px; background:var(--gold); margin:22px 0; }

/* ---------- BLOCS DE CONTENU ---------- */

.eyebrow{ font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:#9b8b73; font-weight:600; }
.title-lg{ font-size:clamp(24px,2.6vw,38px); line-height:1.08; font-weight:500; margin:12px 0 18px; }
.title-md{ font-size:clamp(20px,2vw,28px); line-height:1.14; font-weight:500; margin:10px 0 14px; }
.body-sm{ font-size:14px; line-height:1.72; color:#4c4944; }
.body-xs{ font-size:12px; line-height:1.7; color:#655f56; }
.label{ font-size:11px; letter-spacing:.18em; text-transform:uppercase; color:#9d8151; font-weight:600; }
.rule{ height:1px; background:var(--gold); }

.lede{ font-size:15px; line-height:1.75; color:#4c4944; max-width:760px; }

.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:38px; }
.split-40{ display:grid; grid-template-columns:.85fr 1.15fr; gap:38px; }

.gold-box{ border:1px solid rgba(185,154,98,.58); padding:18px 20px; }
.soft-card{ background:#f2ece2; border:1px solid var(--line); padding:18px 20px; }
.stat-card{ border:1px solid var(--line); padding:16px 18px; background:rgba(255,255,255,.5); }
.stat-card .v{ font-family:'Lora',Georgia,serif; font-size:26px; color:var(--gold); line-height:1.1; }
.stat-card .k{ font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-top:6px; }

.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }

.num-row{ display:grid; grid-template-columns:44px 1fr; gap:16px; padding:13px 0; border-bottom:1px solid var(--line); align-items:start; }
.num-row:last-child{ border-bottom:none; }
.num-row .n{ font-family:'Lora',Georgia,serif; font-size:19px; color:var(--gold); line-height:1.2; }
.num-row strong{ display:block; font-family:'Lora',Georgia,serif; font-weight:500; font-size:15px; margin-bottom:3px; }
.num-row p{ margin:0; font-size:13px; line-height:1.65; color:#5b5349; }

.chip-row{ display:flex; flex-wrap:wrap; gap:7px; }
.chip-row span{ padding:5px 11px; border:1px solid var(--line); border-radius:99px; background:#fff; font-size:11.5px; color:#5b5349; }

.bar{ display:grid; grid-template-columns:150px 1fr 54px; gap:12px; align-items:center; padding:6px 0; font-size:12px; }
.bar .track{ height:9px; background:#e8dfd0; position:relative; }
.bar .fill{ position:absolute; inset:0 auto 0 0; background:var(--gold); }
.bar .val{ text-align:right; color:var(--muted); }

.doc-figure img{ width:100%; border:1px solid var(--line); display:block; }
.doc-figure figcaption{ margin-top:8px; font-size:11px; color:var(--muted); }

img.img-failed{
  min-height:120px;
  background:repeating-linear-gradient(135deg,#efe5d8 0,#efe5d8 12px,#e8dcc9 12px,#e8dcc9 24px) !important;
  font-size:0 !important; color:transparent !important;
}

/* ---------- MOBILE ---------- */

@media(max-width:900px){
  .topbar{ height:auto; min-height:52px; padding:8px 14px; flex-wrap:wrap; gap:8px; }
  .brand-mini{ font-size:10px; letter-spacing:.14em; }
  .brand-mini .doc{ display:none; }
  .nav-controls{ gap:10px; margin-left:auto; }
  .back-link{ font-size:10px; letter-spacing:.1em; }
  .pager{ display:none; }
  .circle-btn{ width:32px; height:32px; }
  .stage{ padding:10px; }
  .deck{ aspect-ratio:auto; min-height:calc(100vh - 90px); }
  .page-pad{ padding:26px 20px 54px; }
  .cover-grid{ grid-template-columns:1fr; grid-template-rows:auto 1fr; }
  .cover-right{ display:block; min-height:150px; order:-1; }
  .cover-left{ padding:30px 22px; }
  .two-col, .split-40{ grid-template-columns:1fr; gap:20px; }
  .grid-3, .grid-4{ grid-template-columns:1fr 1fr; }
  .bar{ grid-template-columns:110px 1fr 46px; font-size:11px; }
  .page-num{ right:20px; bottom:18px; font-size:11px; }
}

@media(max-width:560px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; }
  .bar{ grid-template-columns:1fr; gap:4px; }
  .bar .val{ text-align:left; }
}

@media print{
  .topbar{ display:none; }
  .slide{ position:static; opacity:1; transform:none; page-break-after:always; }
  .deck{ aspect-ratio:auto; box-shadow:none; }
}