/* ═══════════════════════════════════════════════════════════════════
   suisse.css — Thème : typographie suisse (Grid System), précision, rouge/blanc/noir
   ═══════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --ink:#0a0a0a;                /* noir typographique */
  --paper:#ffffff;              /* blanc pur */
  --paper-2:#f2f2f2;            /* gris 5% */
  --paper-3:#e8e8e8;
  --ch-red:#da291c;             /* rouge suisse */
  --ch-red-d:#a61e13;
  --line:#e0e0e0;
  --line-h:#c0c0c0;
  --muted:#6b6b6b;
  --fb:'Inter',system-ui,sans-serif;
  --fm:'JetBrains Mono',monospace;
  --sw:280px;--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:16px;line-height:1.65;
  font-feature-settings:"ss01","cv11";-webkit-font-smoothing:antialiased}

.progress-bar{position:fixed;top:0;left:0;height:2px;width:0;z-index:200;background:var(--ch-red)}

.page-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sw);flex-shrink:0;background:var(--paper-2);border-right:1px solid var(--ink);
  position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}
.sidebar-header{padding:34px 26px 24px;border-bottom:1px solid var(--ink);background:#fff;position:relative}
/* Croix suisse mini */
.sidebar-header::after{content:'';position:absolute;top:34px;right:26px;width:24px;height:24px;background:var(--ch-red)}
.sidebar-header::before{content:'';position:absolute;top:34px;right:26px;width:24px;height:24px;z-index:1;
  background-image:
    linear-gradient(to bottom,transparent 40%,#fff 40%,#fff 60%,transparent 60%),
    linear-gradient(to right,transparent 40%,#fff 40%,#fff 60%,transparent 60%);
}
.sidebar-back{display:block;font-family:var(--fm);font-size:.62rem;letter-spacing:.22em;font-weight:500;
  text-decoration:none;color:var(--muted);margin-bottom:14px;text-transform:uppercase}
.sidebar-back:hover{color:var(--ch-red)}
.sidebar-title{font-family:var(--fb);font-size:1.85rem;line-height:1;color:var(--ink);font-weight:900;letter-spacing:-.04em}
.toc-nav{padding:16px 0;flex:1}
.toc-section-label{font-family:var(--fm);font-size:.58rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600;
  color:var(--muted);padding:10px 26px 6px}
.toc-link{display:flex;align-items:baseline;gap:8px;padding:6px 26px;color:var(--ink);text-decoration:none;
  font-size:.88rem;font-weight:400;font-family:var(--fb);transition:all .15s}
.toc-link:hover,.toc-link.active{background:#fff;color:var(--ch-red);font-weight:600}
.toc-link.active{box-shadow:inset 2px 0 0 var(--ch-red)}
.sidebar-nav{padding:18px 26px 24px;border-top:1px solid var(--ink);background:#fff}
.sidebar-nav p{font-family:var(--fm);font-size:.58rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;
  color:var(--muted);margin:10px 0 8px}
.sidebar-nav a{display:block;text-decoration:none;color:var(--ink);padding:2.5px 0;font-size:.86rem;font-weight:400}
.sidebar-nav a:hover{color:var(--ch-red)}
.sidebar-nav a.current{color:var(--ch-red);font-weight:700}

.main{flex:1;min-width:0;max-width:880px;padding:0 60px 100px}
.page-header{padding:64px 0 40px;margin-bottom:44px;border-bottom:3px solid var(--ink);position:relative}
.page-header::after{content:'';position:absolute;right:0;top:64px;width:48px;height:48px;background:var(--ch-red)}
.page-header .cross{position:absolute;right:0;top:64px;width:48px;height:48px;z-index:1;pointer-events:none}
.subject-tag{font-family:var(--fm);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;
  color:var(--ch-red);margin-bottom:14px}
.page-title{font-family:var(--fb);font-size:4.4rem;line-height:.94;color:var(--ink);font-weight:900;letter-spacing:-.04em}
.page-title .sub{display:block;font-size:1.02rem;font-family:var(--fm);letter-spacing:.06em;
  color:var(--muted);margin-top:14px;font-weight:400}
.page-intro{margin-top:20px;max-width:640px;color:var(--muted);font-size:1.03rem}

.section{margin-bottom:60px;scroll-margin-top:24px}
.section-title{display:flex;align-items:baseline;gap:16px;font-family:var(--fb);font-size:2rem;
  font-weight:800;letter-spacing:-.03em;padding-bottom:10px;margin-bottom:22px;
  border-bottom:2px solid var(--ink);color:var(--ink)}
.section-title .num{font-family:var(--fm);font-size:.66rem;color:#fff;font-weight:600;
  background:var(--ink);padding:4px 10px;letter-spacing:.14em;border-radius:0}

.box{margin:14px 0;padding:20px 22px 18px;background:#fff;border:1px solid var(--line);border-radius:0}
.box-label{display:block;font-family:var(--fm);font-size:.6rem;letter-spacing:.2em;
  text-transform:uppercase;margin-bottom:10px;font-weight:600;color:var(--muted)}
.box.def{background:#fff;border-left:3px solid var(--ch-red)}
.box.def .box-label{color:var(--ch-red)}
.box.histoire{background:var(--paper-2);border:none;border-top:3px solid var(--ink)}
.box.histoire .box-label{color:var(--ink)}
.box.technique{background:#fff;border-left:3px solid var(--ink)}
.box.technique .box-label{color:var(--ink)}
.box.attention{background:#fff4f3;border-left:3px solid var(--ch-red-d);border-color:#f3d3cf}
.box.attention .box-label{color:var(--ch-red-d)}
.box.remark{background:transparent;border:none;border-left:2px solid var(--line-h);padding-left:22px}
.box.chiffres{background:var(--ink);color:#fff;border:none;border-left:3px solid var(--ch-red)}
.box.chiffres .box-label{color:var(--ch-red)}
.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:.8em}ul{padding-left:1.3em;margin-bottom:.8em}li{margin-bottom:.3em}
strong{color:var(--ch-red-d);font-weight:600}

.data-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.86rem;background:#fff}
.data-table th{background:var(--ink);color:#fff;padding:9px 14px;text-align:left;
  font-family:var(--fm);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.data-table td{padding:9px 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(--ink)}
.box.chiffres .data-table th{background:var(--ch-red);color:#fff}
.box.chiffres .data-table td{border-color:rgba(255,255,255,.12)}
.box.chiffres .data-table td:first-child{color:var(--ch-red)}

.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:0;z-index:50;background:#fff;
  padding:14px 18px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ink)}
.mobile-menu-btn{background:none;border:none;color:var(--ink);font-size:1.3rem;cursor:pointer}
.mobile-title{font-family:var(--fb);font-size:1.1rem;color:var(--ink);font-weight:900;letter-spacing:-.02em}
.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,.6)}
.drawer-panel{position:relative;z-index:1;width:280px;background:var(--paper-2);height:100%;
  overflow-y:auto;padding:14px 0;border-right:1px solid var(--ink)}
@media(max-width:960px){
  .sidebar{display:none}.mobile-header{display:flex}.main{padding:0 20px 72px}
  .page-title{font-size:2.9rem}.two-col{grid-template-columns:1fr}
  .page-header::after{width:36px;height:36px}
}