/* ═══════════════════════════════════════════════════════════════════
   portugal.css — Thème : azulejos bleus, bois clair, ocre, Atlantique, Fado
   ═══════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Libre+Caslon+Text:ital,wght@0,400;0,700;1,400&family=Nunito:wght@300;400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink:#1c2e45;               /* bleu marine foncé */
  --paper:#fbf8f1;             /* crème chaude */
  --paper-2:#f2ead7;           /* jaune pâle doux */
  --azulejo:#1e5b8c;           /* bleu azulejo */
  --azulejo-d:#0e3a60;
  --azulejo-l:#8bb5d4;
  --ocre:#c4742e;              /* ocre portugais */
  --green:#1e6b3a;             /* vert drapeau */
  --red:#c8102e;
  --wood:#d8b47a;
  --line:rgba(28,46,69,.12);
  --line-h:rgba(30,91,140,.3);
  --muted:#5c6b7e;
  --fd:'Libre Caslon Text',Georgia,serif;
  --fb:'Nunito',system-ui,sans-serif;
  --fm:'JetBrains Mono',monospace;
  --sw:280px;--r:3px;
}
*,*::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:1.78;
  background-image:
    radial-gradient(ellipse 100% 50% at 50% 0%, rgba(30,91,140,.06), transparent 60%);
  background-attachment:fixed;
}
/* Motif azulejo portugais */
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 60'><path d='M30,6 C42,6 54,18 54,30 C54,42 42,54 30,54 C18,54 6,42 6,30 C6,18 18,6 30,6 Z M30,12 L36,22 L48,24 L39,32 L42,44 L30,38 L18,44 L21,32 L12,24 L24,22 Z' fill='none' stroke='%231e5b8c' stroke-width='.6'/></svg>");
  background-size:100px 100px;
}
.page-layout,.main,.sidebar{position:relative;z-index:1}

.progress-bar{position:fixed;top:0;left:0;height:4px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--green),var(--red))}

.page-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sw);flex-shrink:0;background:#fff;border-right:1px solid var(--line);
  position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}
.sidebar-header{padding:30px 24px 22px;background:var(--azulejo);color:#fff;position:relative}
.sidebar-header::before{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:.18;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'><circle cx='20' cy='20' r='12' fill='none' stroke='white' stroke-width='.8'/><circle cx='20' cy='20' r='5' fill='white' opacity='.3'/></svg>");
  background-size:60px 60px;
}
.sidebar-header > *{position:relative;z-index:1}
.sidebar-back{display:block;font-family:var(--fm);font-size:.6rem;letter-spacing:.2em;
  text-decoration:none;color:rgba(255,255,255,.65);margin-bottom:14px;text-transform:uppercase}
.sidebar-back:hover{color:#fff}
.sidebar-title{font-family:var(--fd);font-size:2.1rem;line-height:1;color:#fff;font-weight:700;letter-spacing:-.01em}
.toc-nav{padding:14px 0;flex:1}
.toc-section-label{font-family:var(--fm);font-size:.58rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);padding:10px 24px 6px}
.toc-link{display:block;padding:6px 24px;color:var(--ink);text-decoration:none;
  font-size:.9rem;font-weight:400;border-left:2px solid transparent;transition:all .18s}
.toc-link:hover,.toc-link.active{background:rgba(30,91,140,.08);border-left-color:var(--azulejo);color:var(--azulejo);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:.58rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);margin:10px 0 8px}
.sidebar-nav a{display:block;text-decoration:none;color:var(--ink);padding:3px 0;font-size:.88rem}
.sidebar-nav a:hover{color:var(--azulejo)}
.sidebar-nav a.current{color:var(--azulejo);font-weight:700}

.main{flex:1;min-width:0;max-width:900px;padding:0 62px 100px}
.page-header{padding:58px 0 38px;margin-bottom:44px;border-bottom:4px double var(--azulejo);position:relative}
.subject-tag{font-family:var(--fm);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--azulejo);margin-bottom:14px;font-weight:700}
.page-title{font-family:var(--fd);font-size:4.2rem;line-height:.96;color:var(--ink);font-weight:700;letter-spacing:-.015em}
.page-title .sub{display:block;font-size:1.08rem;font-family:var(--fm);letter-spacing:.06em;
  color:var(--ocre);margin-top:12px;font-weight:500}
.page-intro{margin-top:18px;max-width:640px;color:var(--muted);font-size:1.05rem;font-style:italic}

.section{margin-bottom:58px;scroll-margin-top:24px}
.section-title{display:flex;align-items:baseline;gap:14px;font-family:var(--fd);font-size:2.15rem;
  font-weight:700;padding-bottom:10px;margin-bottom:20px;border-bottom:1px solid var(--line);color:var(--ink)}
.section-title .num{font-family:var(--fm);font-size:.66rem;color:#fff;font-weight:500;
  background:var(--azulejo);padding:4px 11px;letter-spacing:.12em;border-radius:2px}

.box{margin:16px 0;padding:18px 20px 16px;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:9px;font-weight:700}
.box.def{background:#fff;border-left:4px solid var(--azulejo)}
.box.def .box-label{color:var(--azulejo)}
.box.histoire{background:var(--paper-2);border-left:4px solid var(--ocre)}
.box.histoire .box-label{color:var(--ocre)}
.box.technique{background:#eaf1e7;border-left:4px solid var(--green)}
.box.technique .box-label{color:var(--green)}
.box.attention{background:#fbe8e8;border-left:4px solid var(--red)}
.box.attention .box-label{color:var(--red)}
.box.remark{background:transparent;border:none;border-left:3px solid var(--azulejo-l);padding-left:20px}
.box.remark .box-label{color:var(--azulejo-d)}
.box.chiffres{background:var(--azulejo-d);color:#fff;border:none;border-left:4px solid var(--wood)}
.box.chiffres .box-label{color:var(--wood)}
.box.chiffres p,.box.chiffres li{color:rgba(255,255,255,.9)}
.box p:last-child,.box ul:last-child{margin-bottom:0}
p{margin-bottom:.9em}ul{padding-left:1.35em;margin-bottom:.9em}li{margin-bottom:.3em}
strong{color:var(--azulejo-d);font-weight:700}

.data-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.88rem;background:#fff}
.data-table th{background:var(--azulejo);color:#fff;padding:10px 14px;text-align:left;
  font-family:var(--fm);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500}
.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(--azulejo-d)}
.box.chiffres .data-table th{background:rgba(255,255,255,.12);color:var(--wood)}
.box.chiffres .data-table td{border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.9)}
.box.chiffres .data-table td:first-child{color:var(--wood)}

.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:var(--azulejo);color:#fff;
  padding:12px 18px;align-items:center;justify-content:space-between;border-bottom:3px solid var(--wood)}
.mobile-menu-btn{background:none;border:none;color:#fff;font-size:1.3rem;cursor:pointer}
.mobile-title{font-family:var(--fd);font-size:1.15rem;color:#fff;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:#fff;height:100%;
  overflow-y:auto;padding:14px 0;border-right:3px solid var(--azulejo)}
@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}
}