/* ═══════════════════════════════════════════════════════════════════
   afrique_du_sud.css — Thème : peinture Ndebele, nation arc-en-ciel
   Couleurs vives géométriques, Township Modern
   ═══════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800&family=Fraunces:wght@500;700;900&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:#101418;
  --paper:#ffffff;
  --paper-2:#f5f3ee;
  --sa-green:#007a4d;            /* vert drapeau */
  --sa-gold:#ffb612;             /* or drapeau */
  --sa-red:#de3831;              /* rouge drapeau */
  --sa-blue:#002395;             /* bleu drapeau */
  --sa-black:#0a0a0a;
  --line:rgba(16,20,24,.12);
  --muted:#5a6170;
  --fd:'Fraunces',Georgia,serif;
  --fb:'Archivo',system-ui,sans-serif;
  --fm:'IBM Plex Mono',monospace;
  --sw:290px;--r:0;
}
*,*::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}
/* motif Ndebele en bande supérieure */
body::before{
  content:'';position:fixed;top:0;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'><rect width='12' height='12' fill='%23de3831'/><rect x='12' width='12' height='12' fill='%23ffb612'/><rect x='24' width='12' height='12' fill='%23002395'/><rect x='36' width='12' height='12' fill='%23007a4d'/><rect x='48' width='12' height='12' fill='%230a0a0a'/></svg>");
  background-repeat:repeat-x;background-size:60px 12px;
}

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

.page-layout{display:flex;min-height:100vh;padding-top:12px}
.sidebar{width:var(--sw);flex-shrink:0;background:var(--paper-2);border-right:3px solid var(--sa-black);
  position:sticky;top:12px;height:calc(100vh - 12px);overflow-y:auto;display:flex;flex-direction:column}
.sidebar-header{padding:30px 24px 22px;background:var(--sa-black);color:#fff;position:relative;
  border-bottom:4px solid var(--sa-gold)}
.sidebar-back{display:block;font-family:var(--fm);font-size:.6rem;letter-spacing:.2em;
  text-decoration:none;color:var(--sa-gold);margin-bottom:14px;text-transform:uppercase;font-weight:500}
.sidebar-back:hover{color:#fff}
.sidebar-title{font-family:var(--fd);font-size:2rem;line-height:1;color:#fff;font-weight:900;letter-spacing:-.02em}
.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:500;border-left:3px solid transparent;transition:all .15s}
.toc-link:hover,.toc-link.active{background:#fff;border-left-color:var(--sa-red);color:var(--sa-red);font-weight:700}
.sidebar-nav{padding:16px 24px 22px;background:var(--paper);border-top:3px solid var(--sa-black)}
.sidebar-nav p{font-family:var(--fm);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--sa-black);margin:10px 0 8px;font-weight:700}
.sidebar-nav a{display:block;text-decoration:none;color:var(--ink);padding:3px 0;font-size:.88rem;font-weight:500}
.sidebar-nav a:hover{color:var(--sa-red)}
.sidebar-nav a.current{color:var(--sa-red);font-weight:800}

.main{flex:1;min-width:0;max-width:920px;padding:0 60px 100px}
.page-header{padding:64px 0 44px;margin-bottom:42px;position:relative;
  border-bottom:4px solid var(--sa-black)}
.page-header::after{content:'';position:absolute;bottom:-4px;left:0;width:60%;height:4px;
  background:linear-gradient(90deg,var(--sa-red) 0 20%,var(--sa-gold) 20% 40%,var(--sa-blue) 40% 60%,var(--sa-green) 60% 100%)}
.subject-tag{display:inline-block;font-family:var(--fm);font-size:.64rem;letter-spacing:.22em;
  text-transform:uppercase;color:#fff;background:var(--sa-black);padding:5px 10px;margin-bottom:18px;font-weight:600}
.page-title{font-family:var(--fd);font-size:4.6rem;line-height:.95;color:var(--ink);font-weight:900;letter-spacing:-.025em}
.page-title .sub{display:block;font-size:1.05rem;font-family:var(--fm);letter-spacing:.05em;
  color:var(--sa-green);margin-top:14px;font-weight:500;text-transform:uppercase}
.page-intro{margin-top:22px;max-width:660px;color:var(--muted);font-size:1.06rem;line-height:1.72}

.section{margin-bottom:56px;scroll-margin-top:22px}
.section-title{display:flex;align-items:baseline;gap:14px;font-family:var(--fd);font-size:2.3rem;
  font-weight:800;padding-bottom:12px;margin-bottom:22px;border-bottom:3px solid var(--sa-black);color:var(--ink)}
.section-title .num{font-family:var(--fm);font-size:.66rem;color:#fff;font-weight:700;
  background:var(--sa-red);padding:5px 12px;letter-spacing:.14em}

.box{margin:16px 0;padding:20px 22px 18px;background:var(--paper);border:2px solid var(--ink);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:var(--paper);border-color:var(--sa-green)}
.box.def .box-label{color:var(--sa-green)}
.box.histoire{background:#fffbea;border-color:var(--sa-gold)}
.box.histoire .box-label{color:#a57800}
.box.technique{background:var(--paper-2);border-color:var(--muted)}
.box.technique .box-label{color:var(--muted)}
.box.attention{background:#fef1f0;border-color:var(--sa-red)}
.box.attention .box-label{color:var(--sa-red)}
.box.remark{background:transparent;border:none;border-left:4px solid var(--sa-blue);padding-left:20px}
.box.remark .box-label{color:var(--sa-blue)}
.box.chiffres{background:var(--sa-black);color:#fff;border:none;border-top:6px solid var(--sa-gold)}
.box.chiffres .box-label{color:var(--sa-gold)}
.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:.9em}ul{padding-left:1.4em;margin-bottom:.9em}li{margin-bottom:.32em}
strong{color:var(--sa-red);font-weight:800}

.data-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.88rem;background:var(--paper)}
.data-table th{background:var(--sa-black);color:var(--sa-gold);padding:10px 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 td:first-child{font-weight:700;color:var(--sa-black)}
.box.chiffres .data-table th{background:rgba(255,182,18,.18)}
.box.chiffres .data-table td{border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.92)}
.box.chiffres .data-table td:first-child{color:var(--sa-gold)}

.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(--sa-black);color:#fff;
  padding:12px 18px;align-items:center;justify-content:space-between;border-bottom:3px solid var(--sa-gold)}
.mobile-menu-btn{background:none;border:none;color:var(--sa-gold);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,.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(--sa-black)}
@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}
}