/* ═══════════════════════════════════════════════════════════════════
   senegal.css — Thème : baobab, Atlantique, téranga
   Vert savane, jaune sable, rouge latérite — bleu océan en accent
   ═══════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,700;0,9..144,900;1,9..144,500&family=Inter:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root{
  --ink:#1c1b17;
  --paper:#fbf6ea;               /* sable ivoire */
  --paper-2:#efe6cc;
  --sn-green:#0f8040;            /* vert drapeau */
  --sn-green-d:#0a5a2d;
  --sn-yellow:#f9c621;           /* jaune drapeau */
  --sn-red:#c42027;              /* rouge drapeau */
  --baobab:#7a4d28;              /* écorce baobab */
  --baobab-d:#5a3a1e;
  --ocean:#1e6b8c;               /* Atlantique */
  --laterite:#c65c32;
  --line:rgba(28,27,23,.14);
  --muted:#665f4d;
  --fd:'Fraunces',Georgia,serif;
  --fb:'Inter',system-ui,sans-serif;
  --fm:'Space Mono',monospace;
  --sw:290px;--r:6px;
}
*,*::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:16px;line-height:1.72;
  background-image:
    radial-gradient(ellipse 800px 200px at 100% 0,rgba(15,128,64,.06) 0,transparent 60%),
    radial-gradient(ellipse 600px 300px at 0 100%,rgba(198,92,50,.05) 0,transparent 60%)}

/* bandeau drapeau vert/jaune/rouge + vagues Atlantique */
body::before{
  content:'';position:fixed;top:0;left:0;right:0;height:8px;z-index:10;
  background:linear-gradient(90deg,var(--sn-green) 0 33.3%,var(--sn-yellow) 33.3% 66.6%,var(--sn-red) 66.6%)}
body::after{
  content:'';position:fixed;top:8px;left:0;right:0;height:12px;z-index:10;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 12'><path d='M0 6 Q 15 0 30 6 T 60 6' fill='none' stroke='%231e6b8c' stroke-width='1.3'/><path d='M0 9 Q 15 3 30 9 T 60 9' fill='none' stroke='%231e6b8c' stroke-width='0.9' opacity='0.6'/></svg>");
  background-size:60px 12px;background-repeat:repeat-x;background-color:var(--paper-2)}

.progress-bar{position:fixed;top:20px;left:0;height:3px;width:0;z-index:200;background:var(--sn-red)}

.page-layout{display:flex;min-height:100vh;padding-top:20px}
.sidebar{width:var(--sw);flex-shrink:0;background:var(--paper);border-right:1px solid var(--line);
  position:sticky;top:20px;height:calc(100vh - 20px);overflow-y:auto;display:flex;flex-direction:column}
.sidebar-header{padding:32px 24px 26px;background:var(--sn-green-d);color:#fff;position:relative;
  border-bottom:4px solid var(--sn-yellow)}
/* silhouette de baobab en coin */
.sidebar-header::before{content:'';position:absolute;top:10px;right:14px;width:44px;height:44px;opacity:.18;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 44 44'><path d='M22 40 L22 20 M18 22 Q 10 10 6 12 Q 14 8 18 18 M22 18 Q 28 5 36 8 Q 30 14 24 20 M22 22 Q 14 18 8 22 Q 16 22 20 26' stroke='%23f9c621' stroke-width='1.8' fill='none' stroke-linecap='round'/></svg>")}
.sidebar-back{display:block;font-family:var(--fm);font-size:.64rem;letter-spacing:.2em;
  text-decoration:none;color:var(--sn-yellow);margin-bottom:14px;text-transform:uppercase}
.sidebar-back:hover{color:#fff}
.sidebar-title{font-family:var(--fd);font-size:2.3rem;line-height:1;color:#fff;font-weight:900;
  letter-spacing:-.01em;font-variation-settings:'opsz' 144}
.sidebar-teranga{font-family:var(--fm);font-size:.68rem;color:var(--sn-yellow);margin-top:6px;letter-spacing:.14em}
.toc-nav{padding:16px 0;flex:1}
.toc-section-label{font-family:var(--fm);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);padding:14px 24px 8px;font-weight:700}
.toc-link{display:block;padding:7px 24px;color:var(--ink);text-decoration:none;
  font-size:.9rem;border-left:3px solid transparent;transition:all .18s}
.toc-link:hover,.toc-link.active{background:rgba(15,128,64,.08);border-left-color:var(--sn-green);
  color:var(--sn-green-d);font-weight:600}
.sidebar-nav{padding:18px 24px 24px;border-top:1px solid var(--line);background:var(--paper-2)}
.sidebar-nav p{font-family:var(--fm);font-size:.62rem;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(--sn-green-d)}
.sidebar-nav a.current{color:var(--sn-red);font-weight:800}

.main{flex:1;min-width:0;max-width:920px;padding:0 60px 100px}
.page-header{padding:62px 0 44px;margin-bottom:40px;position:relative;border-bottom:2px solid var(--sn-green);padding-bottom:30px}
.page-header::after{content:'';position:absolute;bottom:-5px;left:0;width:200px;height:8px;
  background:linear-gradient(90deg,var(--sn-green) 0 33%,var(--sn-yellow) 33% 66%,var(--sn-red) 66%)}
.subject-tag{font-family:var(--fm);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--sn-green-d);margin-bottom:14px;font-weight:700}
.page-title{font-family:var(--fd);font-size:5rem;line-height:.96;color:var(--ink);font-weight:900;
  letter-spacing:-.02em;font-variation-settings:'opsz' 144}
.page-title .sub{display:block;font-size:1.05rem;font-family:var(--fb);letter-spacing:.02em;
  color:var(--baobab-d);margin-top:12px;font-weight:500;font-style:italic}
.page-intro{margin-top:22px;max-width:680px;color:var(--muted);font-size:1.06rem;line-height:1.72}

.section{margin-bottom:60px;scroll-margin-top:32px}
.section-title{display:flex;align-items:baseline;gap:16px;font-family:var(--fd);font-size:2.4rem;
  padding-bottom:12px;margin-bottom:24px;color:var(--ink);
  border-bottom:2px solid var(--sn-yellow);font-weight:900}
.section-title .num{font-family:var(--fm);font-size:.68rem;color:#fff;font-weight:700;
  background:var(--sn-green);padding:5px 12px;letter-spacing:.14em;border-radius:var(--r)}

.box{margin:16px 0;padding:20px 22px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:0 1px 3px rgba(28,27,23,.04)}
.box-label{display:block;font-family:var(--fm);font-size:.62rem;letter-spacing:.18em;
  text-transform:uppercase;margin-bottom:10px;font-weight:700}
.box.def{background:#fff;border-left:5px solid var(--sn-green)}
.box.def .box-label{color:var(--sn-green-d)}
.box.histoire{background:#f7ebd2;border-left:5px solid var(--baobab)}
.box.histoire .box-label{color:var(--baobab-d)}
.box.technique{background:#e2edf1;border-left:5px solid var(--ocean)}
.box.technique .box-label{color:var(--ocean)}
.box.attention{background:#f6dcd4;border-left:5px solid var(--laterite)}
.box.attention .box-label{color:var(--laterite)}
.box.remark{background:transparent;border:none;border-left:3px solid var(--sn-yellow);padding-left:20px}
.box.remark .box-label{color:#a07a00}
.box.chiffres{background:var(--sn-green-d);color:#fff;border:none;border-top:5px solid var(--sn-yellow);
  box-shadow:0 8px 24px rgba(10,90,45,.25)}
.box.chiffres .box-label{color:var(--sn-yellow)}
.box.chiffres p,.box.chiffres li{color:rgba(255,255,255,.92)}
.box p:last-child,.box ul:last-child{margin-bottom:0}
p{margin-bottom:.95em}ul{padding-left:1.4em;margin-bottom:.95em}li{margin-bottom:.3em}
strong{color:var(--sn-green-d);font-weight:700}

.data-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.88rem;background:#fff;border-radius:var(--r);overflow:hidden}
.data-table th{background:var(--sn-green-d);color:var(--sn-yellow);padding:11px 14px;text-align:left;
  font-family:var(--fm);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700}
.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 tr:nth-child(even) td{background:rgba(15,128,64,.03)}
.data-table td:first-child{font-weight:700;color:var(--sn-green-d)}
.box.chiffres .data-table{background:rgba(255,255,255,.05);border-radius:4px}
.box.chiffres .data-table th{background:rgba(249,198,33,.2);color:var(--sn-yellow)}
.box.chiffres .data-table td{border-color:rgba(255,255,255,.12);color:rgba(255,255,255,.94)}
.box.chiffres .data-table td:first-child{color:var(--sn-yellow)}
.box.chiffres .data-table tr:nth-child(even) td{background:rgba(255,255,255,.04)}

.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:20px;z-index:50;background:var(--sn-green-d);color:#fff;
  padding:12px 18px;align-items:center;justify-content:space-between;border-bottom:3px solid var(--sn-yellow)}
.mobile-menu-btn{background:none;border:none;color:var(--sn-yellow);font-size:1.3rem;cursor:pointer}
.mobile-title{font-family:var(--fd);font-size:1.2rem;color:#fff;font-weight:800}
.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,.65)}
.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(--sn-green-d)}
@media(max-width:960px){
  .sidebar{display:none}.mobile-header{display:flex}.main{padding:0 20px 72px}
  .page-title{font-size:2.8rem}.two-col{grid-template-columns:1fr}
}