/* ═══════════════════════════════════════════════════════════════════
   madagascar.css — Thème : laterite rouge, forêt humide, tissus lamba
   Biodiversité endémique : lémurien, baobab
   ═══════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:ital,wght@0,400;0,600;0,700;1,400&family=Poppins:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink:#1e1a14;
  --paper:#fbf6ef;
  --paper-2:#f2e6d2;
  --laterite:#b84a28;            /* rouge latérite */
  --laterite-d:#8c3619;
  --laterite-l:#e87050;
  --forest:#1e6b3a;              /* vert forêt humide */
  --forest-d:#0e4a26;
  --leaf:#8cba5a;
  --baobab:#6b5034;              /* brun baobab */
  --white-flag:#fcfcfc;
  --line:rgba(30,26,20,.14);
  --muted:#655845;
  --fd:'Crimson Text',Georgia,serif;
  --fb:'Poppins',system-ui,sans-serif;
  --fm:'JetBrains Mono',monospace;
  --sw:290px;--r:8px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--fb);background:var(--paper);color:var(--ink);font-size:16.5px;line-height:1.72;
  background-image:
    radial-gradient(circle at 100% 0%,rgba(184,74,40,.06) 0,transparent 55%),
    radial-gradient(circle at 0% 100%,rgba(30,107,58,.06) 0,transparent 55%)}
/* bandeau drapeau malgache : blanc / rouge / vert */
body::before{
  content:'';position:fixed;top:0;left:0;right:0;height:12px;z-index:10;
  background:
    linear-gradient(90deg,var(--white-flag) 33.3%,transparent 33.3%),
    linear-gradient(180deg,var(--laterite) 50%,var(--forest) 50%);
  background-repeat:no-repeat,no-repeat;
  background-size:100% 100%,100% 100%;
}

.progress-bar{position:fixed;top:12px;left:0;height:3px;width:0;z-index:200;background:var(--laterite-d)}

.page-layout{display:flex;min-height:100vh;padding-top:12px}
.sidebar{width:var(--sw);flex-shrink:0;background:var(--paper);border-right:1px solid var(--line);
  position:sticky;top:12px;height:calc(100vh - 12px);overflow-y:auto;display:flex;flex-direction:column}
.sidebar-header{padding:32px 24px 24px;background:var(--laterite);color:#fff;position:relative;
  background-image:linear-gradient(135deg,var(--laterite-d) 0%,var(--laterite) 50%,var(--laterite-l) 100%)}
.sidebar-header::after{content:'';position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--forest)}
.sidebar-back{display:block;font-family:var(--fm);font-size:.62rem;letter-spacing:.22em;
  text-decoration:none;color:rgba(255,255,255,.8);margin-bottom:14px;text-transform:uppercase}
.sidebar-back:hover{color:#fff}
.sidebar-title{font-family:var(--fd);font-size:2.15rem;line-height:1;color:#fff;font-weight:700;letter-spacing:-.01em}
.toc-nav{padding:16px 0;flex:1}
.toc-section-label{font-family:var(--fm);font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);padding:12px 24px 6px;font-weight:600}
.toc-link{display:block;padding:7px 24px;color:var(--ink);text-decoration:none;
  font-size:.9rem;font-weight:400;border-left:3px solid transparent;transition:all .18s}
.toc-link:hover,.toc-link.active{background:rgba(184,74,40,.08);border-left-color:var(--laterite);color:var(--laterite-d);font-weight:600}
.sidebar-nav{padding:16px 24px 22px;border-top:1px solid var(--line);background:var(--paper-2)}
.sidebar-nav p{font-family:var(--fm);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);margin:10px 0 8px;font-weight:700}
.sidebar-nav a{display:block;text-decoration:none;color:var(--ink);padding:3px 0;font-size:.88rem}
.sidebar-nav a:hover{color:var(--laterite-d)}
.sidebar-nav a.current{color:var(--laterite-d);font-weight:700}

.main{flex:1;min-width:0;max-width:920px;padding:0 60px 100px}
.page-header{padding:62px 0 42px;margin-bottom:42px;position:relative}
.page-header::before{content:'';position:absolute;left:0;top:36px;width:90px;height:4px;
  background:linear-gradient(90deg,var(--laterite) 0 50%,var(--forest) 50%);border-radius:2px}
.page-header{padding-top:58px}
.subject-tag{font-family:var(--fm);font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--laterite-d);margin-bottom:16px;font-weight:600}
.page-title{font-family:var(--fd);font-size:4.6rem;line-height:.96;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.page-title .sub{display:block;font-size:1.1rem;font-family:var(--fb);letter-spacing:.02em;
  color:var(--forest-d);margin-top:12px;font-weight:500;font-style:italic}
.page-intro{margin-top:22px;max-width:660px;color:var(--muted);font-size:1.06rem;line-height:1.72}

.section{margin-bottom:58px;scroll-margin-top:22px}
.section-title{display:flex;align-items:baseline;gap:14px;font-family:var(--fd);font-size:2.4rem;
  font-weight:700;padding-bottom:10px;margin-bottom:22px;border-bottom:2px solid var(--laterite);color:var(--ink)}
.section-title .num{font-family:var(--fm);font-size:.66rem;color:#fff;font-weight:700;
  background:var(--laterite);padding:5px 11px;letter-spacing:.14em;border-radius:4px}

.box{margin:16px 0;padding:20px 22px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.box-label{display:block;font-family:var(--fm);font-size:.6rem;letter-spacing:.18em;
  text-transform:uppercase;margin-bottom:10px;font-weight:700}
.box.def{background:#fff;border-left:5px solid var(--forest)}
.box.def .box-label{color:var(--forest-d)}
.box.histoire{background:#fef1e8;border-left:5px solid var(--laterite)}
.box.histoire .box-label{color:var(--laterite-d)}
.box.technique{background:var(--paper-2);border-left:5px solid var(--baobab)}
.box.technique .box-label{color:var(--baobab)}
.box.attention{background:#f9dfd8;border-left:5px solid var(--laterite-d)}
.box.attention .box-label{color:var(--laterite-d)}
.box.remark{background:transparent;border:none;border-left:3px solid var(--leaf);padding-left:20px}
.box.remark .box-label{color:var(--forest-d)}
.box.chiffres{background:var(--forest-d);color:#fff;border:none;border-top:6px solid var(--laterite)}
.box.chiffres .box-label{color:var(--leaf)}
.box.chiffres p,.box.chiffres li{color:rgba(255,255,255,.94)}
.box p:last-child,.box ul:last-child{margin-bottom:0}
p{margin-bottom:.9em}ul{padding-left:1.4em;margin-bottom:.9em}li{margin-bottom:.3em}
strong{color:var(--laterite-d);font-weight:700}

.data-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.88rem;background:#fff;border-radius:6px;overflow:hidden}
.data-table th{background:var(--forest);color:#fff;padding:11px 14px;text-align:left;
  font-family:var(--fm);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.data-table td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.data-table tr:last-child td{border-bottom:none}
.data-table td:first-child{font-weight:600;color:var(--forest-d)}
.box.chiffres .data-table th{background:rgba(184,74,40,.25);color:#fff}
.box.chiffres .data-table td{border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.94)}
.box.chiffres .data-table td:first-child{color:var(--leaf)}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}.two-col .box{margin:0}

.mobile-header{display:none;position:sticky;top:12px;z-index:50;background:var(--laterite);color:#fff;
  padding:12px 18px;align-items:center;justify-content:space-between;border-bottom:3px solid var(--forest)}
.mobile-menu-btn{background:none;border:none;color:#fff;font-size:1.3rem;cursor:pointer}
.mobile-title{font-family:var(--fd);font-size:1.25rem;font-weight:700}
.mobile-drawer{display:none;position:fixed;inset:0;z-index:100}
.mobile-drawer.open{display:flex}
.drawer-overlay{position:absolute;inset:0;background:rgba(0,0,0,.7)}
.drawer-panel{position:relative;z-index:1;width:280px;background:var(--paper);height:100%;
  overflow-y:auto;padding:14px 0;border-right:4px solid var(--laterite)}
@media(max-width:960px){
  .sidebar{display:none}.mobile-header{display:flex}.main{padding:0 20px 72px}
  .page-title{font-size:2.7rem}.two-col{grid-template-columns:1fr}
}