:root{--maroon:#7C1D1D;--red:#B02A2A;--gold:#C9922A;--gold-light:#E8B84B;--gold-pale:#FDF3DC;--cream:#FAF6F0;--white:#FFFFFF;--dark:#1A0A0A;--text:#2D1515;--text-mid:#6B4444;--text-light:#9E7070;--border:rgba(201,146,42,0.25);--shadow-sm:0 2px 12px rgba(124,29,29,0.08);--radius:14px;--radius-sm:8px;--radius-pill:100px;--transition:all 0.25s cubic-bezier(0.4,0,0.2,1)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
.hero{background:linear-gradient(135deg,var(--dark),var(--maroon));padding:50px 48px;text-align:center}
.hero h2{font-size:44px;color:white;margin-bottom:8px}
.hero p{color:rgba(255,255,255,0.65);font-size:14px}

/* DOC LAYOUT */
.doc-layout{max-width:1100px;margin:0 auto;padding:56px 48px;display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start}

/* TOC */
.toc{background:var(--white);border-radius:var(--radius);border:1px solid var(--border);padding:20px;position:sticky;top:90px;box-shadow:var(--shadow-sm)}
.toc h4{font-size:16px;color:var(--maroon);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.toc-link{display:block;font-size:13px;color:var(--text-mid);text-decoration:none;padding:6px 0;border-bottom:1px solid rgba(0,0,0,0.04);transition:var(--transition)}
.toc-link:hover{color:var(--maroon);padding-left:6px}
.toc-link.active{color:var(--maroon);font-weight:700}

/* DOC SWITCHER */
.doc-switch{display:flex;gap:0;background:var(--white);border-radius:var(--radius-pill);border:1px solid var(--border);padding:3px;margin-bottom:28px;box-shadow:var(--shadow-sm);overflow:hidden}
.ds-btn{flex:1;padding:10px;border:none;background:transparent;font-family:'DM Sans',sans-serif;font-size:14px;font-weight:600;cursor:pointer;color:var(--text-mid);border-radius:var(--radius-pill);transition:var(--transition)}
.ds-btn.active{background:var(--maroon);color:white;box-shadow:0 3px 12px rgba(124,29,29,0.3)}

/* DOCUMENT */
.doc-content{display:none}
.doc-content.active{display:block}
.doc-meta{background:var(--gold-pale);border:1px solid rgba(201,146,42,0.3);border-radius:var(--radius-sm);padding:12px 16px;font-size:13px;color:var(--text-mid);margin-bottom:28px}
.doc-section{margin-bottom:36px}
.doc-section h3{font-size:24px;color:var(--maroon);margin-bottom:12px;display:flex;align-items:center;gap:10px}
.doc-section p{font-size:14.5px;color:var(--text-mid);line-height:1.85;margin-bottom:12px}
.doc-section ul{padding-left:20px;margin-top:8px}
.doc-section li{font-size:14.5px;color:var(--text-mid);line-height:1.8;margin-bottom:6px}
.doc-section li::marker{color:var(--gold)}
.highlight-box{background:rgba(124,29,29,0.05);border-left:3px solid var(--maroon);padding:14px 18px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:16px 0}
.highlight-box p{margin:0;font-size:14px}
.doc-divider{border:none;border-top:1px solid var(--border);margin:28px 0}
@media(max-width:900px){
  .doc-layout{grid-template-columns:1fr;padding:32px 20px}
  .toc{position:static}
  header{padding:0 20px}
  .hero{padding:40px 20px;h2{font-size:32px}}
}