/* ═══════════════════════════════════════════════════════════════════
   grece.css — Thème : Cyclades, bleu égéen, blanc calcaire, antiquité
   ═══════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Spectral:ital,wght@0,300;0,400;0,500;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink:#1a3a5c;               /* bleu nuit égéen */
  --paper:#fafafa;             /* chaux blanche */
  --paper-2:#f0f4f8;
  --aegean:#0057a6;            /* bleu grec */
  --aegean-2:#4891c6;
  --aegean-deep:#002f5f;
  --stone:#d9d2c5;             /* pierre calcaire */
  --olive:#6b8845;             /* olivier */
  --red:#c0392b;
  --line:rgba(26,58,92,.12);
  --line-h:rgba(0,87,166,.3);
  --muted:#5c6d7e;
  --fd:'Cormorant Garamond',Georgia,serif;
  --fb:'Spectral',Georgia,serif;
  --fm:'JetBrains Mono',monospace;
  --sw:280px;--r:2px;
}
*,*::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:1.82;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0,87,166,.08), transparent 60%);
  background-attachment:fixed;
}
/* Motif clé grecque (méandre) discret */
body::before{
  content:'';position:fixed;left:0;right:0;top:0;height:28px;pointer-events:none;z-index:0;opacity:.08;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 28'><path d='M0,28 L0,4 L24,4 L24,20 L8,20 L8,12 L16,12 L16,16 M40,28 L40,4 L64,4 L64,20 L48,20 L48,12 L56,12 L56,16 M80,28 L80,4' fill='none' stroke='%230057a6' stroke-width='2'/></svg>");
  background-repeat:repeat-x;background-size:80px 28px;
}
.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(--aegean),#fff,var(--aegean))}

.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;
  box-shadow:inset -4px 0 0 var(--aegean)}
.sidebar-header{padding:34px 24px 22px;background:linear-gradient(180deg,var(--aegean),var(--aegean-deep));color:#fff}
.sidebar-back{display:block;font-family:var(--fm);font-size:.6rem;letter-spacing:.2em;
  text-decoration:none;color:rgba(255,255,255,.58);margin-bottom:14px;text-transform:uppercase}
.sidebar-back:hover{color:#fff}
.sidebar-title{font-family:var(--fd);font-size:2.2rem;line-height:1;font-style:italic;color:#fff;font-weight:500;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 6px 28px;color:var(--ink);text-decoration:none;
  font-family:var(--fd);font-size:1rem;font-style:italic;border-left:2px solid transparent;transition:all .2s}
.toc-link:hover,.toc-link.active{background:rgba(0,87,166,.08);border-left-color:var(--aegean);color:var(--aegean);font-weight:500}
.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-family:var(--fd);font-size:.98rem;font-style:italic}
.sidebar-nav a:hover,.sidebar-nav a.current{color:var(--aegean)}
.sidebar-nav a.current{font-weight:600}

.main{flex:1;min-width:0;max-width:880px;padding:0 62px 100px}
.page-header{padding:56px 0 38px;margin-bottom:44px;position:relative}
.page-header::before{content:'';position:absolute;left:0;top:56px;width:60px;height:3px;background:var(--aegean)}
.page-header::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--line);}
.subject-tag{font-family:var(--fm);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--aegean);margin:22px 0 14px;font-weight:500}
.page-title{font-family:var(--fd);font-size:4.2rem;line-height:.95;color:var(--ink);font-style:italic;font-weight:500;letter-spacing:-.01em}
.page-title .sub{display:block;font-size:1.1rem;font-family:var(--fm);letter-spacing:.06em;
  color:var(--aegean);margin-top:12px;font-style:normal;font-weight:400}
.page-intro{margin-top:18px;max-width:640px;color:var(--muted);font-style:italic;font-size:1.06rem}

.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-style:italic;font-weight:500;padding-bottom:10px;margin-bottom:20px;
  border-bottom:1px solid var(--line);color:var(--ink)}
.section-title .num{font-family:var(--fm);font-size:.68rem;font-style:normal;color:#fff;
  background:var(--aegean);padding:4px 11px;letter-spacing:.1em;font-weight:500;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:10px;font-weight:500}
.box.def{border-left:4px solid var(--aegean);background:#fff}
.box.def .box-label{color:var(--aegean)}
.box.histoire{background:var(--stone);border-left:4px solid #8a7a50}
.box.histoire .box-label{color:#7a6a40}
.box.technique{background:var(--paper-2);border-left:4px solid var(--olive)}
.box.technique .box-label{color:var(--olive)}
.box.attention{background:#fbe7e3;border-left:4px solid var(--red)}
.box.attention .box-label{color:var(--red)}
.box.remark{background:transparent;border:none;border-left:3px solid var(--aegean-2);padding-left:20px}
.box.remark .box-label{color:var(--aegean-2)}
.box.chiffres{background:var(--aegean-deep);color:#fff;border:none;border-top:4px solid #fff}
.box.chiffres .box-label{color:rgba(255,255,255,.78)}
.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(--aegean-deep);font-weight:600}

.data-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.9rem;background:#fff}
.data-table th{background:var(--aegean);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-family:var(--fd);font-style:italic;color:var(--aegean);font-weight:500}
.box.chiffres .data-table th{background:rgba(255,255,255,.12)}
.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:#fff}

.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(--aegean);color:#fff;
  padding:12px 18px;align-items:center;justify-content:space-between;border-bottom:3px solid #fff}
.mobile-menu-btn{background:none;border:none;color:#fff;font-size:1.3rem;cursor:pointer}
.mobile-title{font-family:var(--fd);font-size:1.2rem;color:#fff;font-style:italic}
.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:#fff;height:100%;
  overflow-y:auto;padding:14px 0;border-right:4px solid var(--aegean)}
@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}
}