/* ==========================================================================
   Kemet Group Consulting — Documentation Portal
   Design tokens mirror the main site (kemetgroupconsulting.com):
   navy #0f1f33, gold #8a6a37, Playfair Display headings, Inter body.
   ========================================================================== */

@charset "UTF-8";

:root{
  --gold:#8a6a37;
  --gold-hover:#795d30;
  --gold-tint:#8a6a3714;
  --navy:#0f1f33;
  --navy-2:#0a1523;

  /* light theme (default) */
  --bg:#ffffff;
  --bg-subtle:#f7f4f1;
  --bg-elevated:#ffffff;
  --bg-code:#f5f2ee;
  --border:#e8e2db;
  --text:#1a1a1a;
  --text-muted:#5e5e5e;
  --text-on-dark:#ffffff;
  --shadow-sm:0 2px 8px rgba(15,31,51,.071);
  --shadow-md:0 6px 24px rgba(15,31,51,.102);
  --shadow-lg:0 12px 40px rgba(15,31,51,.141);
  --sidebar-bg:#f7f4f1;
  --header-bg:rgba(255,255,255,.9);

  --callout-tip-bg:#f0f7ee; --callout-tip-border:#8fb87a; --callout-tip-fg:#3f6b2e;
  --callout-note-bg:#eef3f9; --callout-note-border:#7ba3cc; --callout-note-fg:#2c5480;
  --callout-warn-bg:#fdf3e6; --callout-warn-border:#e0a94a; --callout-warn-fg:#8a5a10;
  --callout-danger-bg:#fbeceb; --callout-danger-border:#d98a83; --callout-danger-fg:#9c352b;
  --callout-success-bg:#eaf7ee; --callout-success-border:#7ec190; --callout-success-fg:#256339;

  --radius-sm:4px;
  --radius-md:8px;
  --font-serif:'Playfair Display',Georgia,serif;
  --font-sans:Inter,system-ui,-apple-system,sans-serif;
  --font-mono:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
  color-scheme:light;
}

:root[data-theme="dark"]{
  --bg:#0b141f;
  --bg-subtle:#0f1f33;
  --bg-elevated:#13233a;
  --bg-code:#0a1826;
  --border:#233752;
  --text:#eef2f6;
  --text-muted:#9fb0c3;
  --text-on-dark:#ffffff;
  --shadow-sm:0 2px 8px rgba(0,0,0,.35);
  --shadow-md:0 6px 24px rgba(0,0,0,.45);
  --shadow-lg:0 12px 40px rgba(0,0,0,.55);
  --sidebar-bg:#0a1523;
  --header-bg:rgba(10,21,35,.85);

  --callout-tip-bg:#132a1c; --callout-tip-border:#3f7a4f; --callout-tip-fg:#a9dab8;
  --callout-note-bg:#122436; --callout-note-border:#3d6f9c; --callout-note-fg:#a9c9e6;
  --callout-warn-bg:#2c2213; --callout-warn-border:#a9781f; --callout-warn-fg:#f0c878;
  --callout-danger-bg:#2c1512; --callout-danger-border:#a34840; --callout-danger-fg:#f0a89f;
  --callout-success-bg:#0f2a1a; --callout-success-border:#3d8054; --callout-success-fg:#a4dcb6;
  color-scheme:dark;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0b141f;
    --bg-subtle:#0f1f33;
    --bg-elevated:#13233a;
    --bg-code:#0a1826;
    --border:#233752;
    --text:#eef2f6;
    --text-muted:#9fb0c3;
    --shadow-sm:0 2px 8px rgba(0,0,0,.35);
    --shadow-md:0 6px 24px rgba(0,0,0,.45);
    --shadow-lg:0 12px 40px rgba(0,0,0,.55);
    --sidebar-bg:#0a1523;
    --header-bg:rgba(10,21,35,.85);
    --callout-tip-bg:#132a1c; --callout-tip-border:#3f7a4f; --callout-tip-fg:#a9dab8;
    --callout-note-bg:#122436; --callout-note-border:#3d6f9c; --callout-note-fg:#a9c9e6;
    --callout-warn-bg:#2c2213; --callout-warn-border:#a9781f; --callout-warn-fg:#f0c878;
    --callout-danger-bg:#2c1512; --callout-danger-border:#a34840; --callout-danger-fg:#f0a89f;
    --callout-success-bg:#0f2a1a; --callout-success-border:#3d8054; --callout-success-fg:#a4dcb6;
    color-scheme:dark;
  }
}

*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{font-family:var(--font-sans);color:var(--text);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;width:100%;transition:background .2s ease,color .2s ease}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--gold-hover)}
h1,h2,h3,h4,h5{font-family:var(--font-serif);color:var(--text);line-height:1.25;font-weight:700}
h1{font-size:clamp(1.9rem,4vw,2.75rem);margin-bottom:.5em}
h2{font-size:clamp(1.4rem,3vw,1.85rem);margin:2em 0 .6em}
h3{font-size:1.2rem;margin:1.6em 0 .5em}
h4{font-size:1.02rem;margin:1.3em 0 .4em}
p{margin-bottom:1em;color:var(--text)}
ul,ol{margin:0 0 1em 1.4em}
li{margin-bottom:.4em}
strong{font-weight:700}
code{font-family:var(--font-mono);font-size:.85em;background:var(--bg-code);border:1px solid var(--border);padding:.15em .4em;border-radius:4px}
pre{background:var(--bg-code);border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem 1.25rem;overflow-x:auto;margin-bottom:1.25em}
pre code{border:none;padding:0;background:none}
hr{border:none;border-top:1px solid var(--border);margin:2rem 0}
table{width:100%;border-collapse:collapse;margin-bottom:1.5em;font-size:.92rem}
th,td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid var(--border)}
th{font-weight:700;color:var(--text);background:var(--bg-subtle)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:2px}
.skip-link{position:fixed;top:1rem;left:1rem;z-index:9999;background:var(--gold);color:#fff;padding:.5rem 1rem;border-radius:4px;transform:translateY(-150%);transition:transform .2s ease}
.skip-link:focus{transform:translateY(0)}

/* ---------- Reading progress bar ---------- */
.reading-progress{position:fixed;top:0;left:0;width:100%;height:3px;background:var(--gold);transform:scaleX(0);transform-origin:0 0;z-index:300;will-change:transform}

/* ---------- Top header ---------- */
.site-header{position:sticky;top:0;z-index:200;background:var(--header-bg);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.site-header-inner{max-width:1440px;margin:0 auto;padding:0 1.25rem;height:64px;display:flex;align-items:center;gap:1rem}
.brand{display:flex;align-items:center;gap:.65rem;font-family:var(--font-serif);font-weight:700;font-size:1.05rem;color:var(--text)}
.brand img{height:28px;width:auto}
.brand .divider{width:1px;height:22px;background:var(--border)}
.brand .doc-label{font-family:var(--font-sans);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}
.header-spacer{flex:1}
.header-actions{display:flex;align-items:center;gap:.5rem}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid transparent;background:none;color:var(--text-muted);cursor:pointer;transition:background .2s ease,color .2s ease}
.icon-btn:hover{background:var(--bg-subtle);color:var(--text)}
.icon-btn svg{width:19px;height:19px}
.header-nav-toggle{display:none}
.back-to-site{font-size:.85rem;font-weight:600;color:var(--text-muted);white-space:nowrap}
.back-to-site:hover{color:var(--gold)}

/* ---------- Search ---------- */
.search-trigger{display:flex;align-items:center;gap:.6rem;width:260px;height:40px;padding:0 .8rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-subtle);color:var(--text-muted);cursor:pointer;font-size:.85rem}
.search-trigger svg{width:16px;height:16px;flex-shrink:0}
.search-trigger kbd{margin-left:auto;font-family:var(--font-mono);font-size:.72rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:4px;padding:.1rem .4rem}
.search-overlay{position:fixed;inset:0;background:rgba(8,14,26,.5);z-index:500;display:none;align-items:flex-start;justify-content:center;padding:10vh 1rem 1rem}
.search-overlay.is-open{display:flex}
.search-panel{width:100%;max-width:620px;background:var(--bg-elevated);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border:1px solid var(--border);max-height:70vh;display:flex;flex-direction:column;overflow:hidden}
.search-input-row{display:flex;align-items:center;gap:.7rem;padding:1rem 1.1rem;border-bottom:1px solid var(--border)}
.search-input-row svg{width:18px;height:18px;color:var(--text-muted);flex-shrink:0}
.search-input-row input{flex:1;border:none;background:none;font-size:1rem;color:var(--text);font-family:var(--font-sans)}
.search-input-row input:focus{outline:none}
.search-esc{font-family:var(--font-mono);font-size:.72rem;color:var(--text-muted);border:1px solid var(--border);border-radius:4px;padding:.15rem .45rem}
.search-results{overflow-y:auto;padding:.5rem}
.search-result{display:block;padding:.75rem .85rem;border-radius:var(--radius-sm);cursor:pointer}
.search-result:hover,.search-result.is-active{background:var(--bg-subtle)}
.search-result .sr-cat{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--gold);font-weight:700;margin-bottom:.2rem}
.search-result .sr-title{font-weight:600;color:var(--text);font-size:.95rem}
.search-result .sr-excerpt{font-size:.82rem;color:var(--text-muted);margin-top:.15rem}
.search-empty{padding:2rem 1rem;text-align:center;color:var(--text-muted);font-size:.9rem}
.search-hint{padding:1.5rem 1.1rem;color:var(--text-muted);font-size:.85rem}

/* ---------- Shell layout ---------- */
.doc-shell{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:260px minmax(0,1fr) 220px;gap:2.5rem;padding:0 1.25rem}
.sidebar{border-right:1px solid var(--border);background:var(--sidebar-bg);padding:2rem 1.25rem 3rem 0;position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto}
.sidebar-group{margin-bottom:1.6rem}
.sidebar-group-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--text-muted);margin-bottom:.6rem;padding:0 .5rem}
.sidebar-link{display:block;padding:.45rem .5rem;border-radius:var(--radius-sm);font-size:.88rem;color:var(--text-muted);border-left:2px solid transparent}
.sidebar-link:hover{background:var(--bg-elevated);color:var(--text)}
.sidebar-link.is-active{color:var(--gold);font-weight:600;background:var(--gold-tint);border-left-color:var(--gold)}
.sidebar-backdrop{display:none}

.doc-main{padding:2.5rem 0 5rem;min-width:0}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;font-size:.82rem;color:var(--text-muted);margin-bottom:1.5rem}
.breadcrumbs a{color:var(--text-muted)}
.breadcrumbs a:hover{color:var(--gold)}
.breadcrumbs .sep{opacity:.5}
.breadcrumbs .current{color:var(--text);font-weight:600}

.article-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}
.meta-pill{display:inline-flex;align-items:center;gap:.35rem;font-size:.78rem;font-weight:600;color:var(--text-muted);background:var(--bg-subtle);border:1px solid var(--border);border-radius:100px;padding:.3rem .75rem}
.meta-pill svg{width:13px;height:13px}
.meta-pill.difficulty-beginner{color:#256339;background:var(--callout-success-bg);border-color:var(--callout-success-border)}
.meta-pill.difficulty-intermediate{color:#8a5a10;background:var(--callout-warn-bg);border-color:var(--callout-warn-border)}

.article-body h2{scroll-margin-top:80px}
.article-body h3{scroll-margin-top:80px}
.article-body{font-size:1.02rem}
.article-body >*+*{margin-top:0}

/* ---------- Callouts ---------- */
.callout{display:flex;gap:.75rem;padding:1rem 1.15rem;border-radius:var(--radius-md);border:1px solid;margin:1.5rem 0;font-size:.94rem}
.callout .callout-icon{flex-shrink:0;width:20px;height:20px;margin-top:.1rem}
.callout .callout-body p:last-child{margin-bottom:0}
.callout .callout-title{font-weight:700;margin-bottom:.25rem;display:block}
.callout-tip{background:var(--callout-tip-bg);border-color:var(--callout-tip-border);color:var(--callout-tip-fg)}
.callout-note{background:var(--callout-note-bg);border-color:var(--callout-note-border);color:var(--callout-note-fg)}
.callout-warning{background:var(--callout-warn-bg);border-color:var(--callout-warn-border);color:var(--callout-warn-fg)}
.callout-danger{background:var(--callout-danger-bg);border-color:var(--callout-danger-border);color:var(--callout-danger-fg)}
.callout-success{background:var(--callout-success-bg);border-color:var(--callout-success-border);color:var(--callout-success-fg)}
.callout p,.callout li{color:inherit}
.callout a{color:inherit;text-decoration:underline}

/* ---------- Steps ---------- */
.steps{list-style:none;margin:0 0 1.5em;counter-reset:step}
.steps>li{position:relative;padding:0 0 1.4rem 3rem;counter-increment:step;border-left:2px solid var(--border);margin-left:16px}
.steps>li:last-child{border-color:transparent;padding-bottom:0}
.steps>li:before{content:counter(step);position:absolute;left:-17px;top:0;width:32px;height:32px;border-radius:50%;background:var(--gold);color:#fff;font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center;font-family:var(--font-sans)}
.steps>li>strong:first-child{display:block;margin-bottom:.3rem;font-size:1.02rem}

/* ---------- Screenshot / video placeholders ---------- */
.shot-placeholder{border:1.5px dashed var(--border);border-radius:var(--radius-md);background:var(--bg-subtle);padding:2.5rem 1.5rem;text-align:center;color:var(--text-muted);margin:1.5rem 0}
.shot-placeholder svg{width:32px;height:32px;margin:0 auto .75rem;opacity:.6}
.shot-placeholder .shot-label{font-size:.85rem;font-weight:600}
.shot-placeholder .shot-caption{font-size:.78rem;margin-top:.25rem}
.video-placeholder{position:relative;aspect-ratio:16/9;border-radius:var(--radius-md);background:var(--navy);display:flex;align-items:center;justify-content:center;margin:1.5rem 0;overflow:hidden}
.video-placeholder .play-btn{width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.15);border:1.5px solid rgba(255,255,255,.4);display:flex;align-items:center;justify-content:center}
.video-placeholder .play-btn svg{width:22px;height:22px;color:#fff;margin-left:3px}
.video-placeholder .video-label{position:absolute;bottom:1rem;left:1rem;color:#fff;font-size:.8rem;background:rgba(0,0,0,.4);padding:.25rem .6rem;border-radius:100px}

/* ---------- Expandable / details ---------- */
details.expand{border:1px solid var(--border);border-radius:var(--radius-md);margin:1rem 0;overflow:hidden}
details.expand summary{list-style:none;cursor:pointer;padding:.9rem 1.1rem;font-weight:600;display:flex;align-items:center;gap:.6rem;background:var(--bg-subtle)}
details.expand summary::-webkit-details-marker{display:none}
details.expand summary:after{content:'';margin-left:auto;width:9px;height:9px;border-right:2px solid var(--text-muted);border-bottom:2px solid var(--text-muted);transform:rotate(45deg);transition:transform .2s ease}
details.expand[open] summary:after{transform:rotate(-135deg)}
details.expand .expand-body{padding:1rem 1.1rem}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--border);padding:1.1rem 0}
.faq-item summary{list-style:none;cursor:pointer;font-weight:700;font-family:var(--font-serif);font-size:1.05rem;display:flex;gap:.75rem;align-items:flex-start}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:before{content:'Q';flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--gold-tint);color:var(--gold);font-size:.8rem;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:var(--font-sans)}
.faq-item .faq-answer{padding:.75rem 0 0 2.6rem;color:var(--text-muted)}

/* ---------- Related articles ---------- */
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.related-card{border:1px solid var(--border);border-radius:var(--radius-md);padding:1.1rem;background:var(--bg-elevated);box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,transform .2s ease}
.related-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.related-card .rc-cat{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--gold);font-weight:700;margin-bottom:.4rem}
.related-card .rc-title{font-family:var(--font-serif);font-weight:700;color:var(--text);font-size:1rem}

/* ---------- Prev / Next ---------- */
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border)}
.pn-card{border:1px solid var(--border);border-radius:var(--radius-md);padding:1.1rem 1.25rem;background:var(--bg-elevated);transition:box-shadow .2s ease,border-color .2s ease}
.pn-card:hover{box-shadow:var(--shadow-sm);border-color:var(--gold)}
.pn-card.next{text-align:right}
.pn-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:.3rem}
.pn-title{font-family:var(--font-serif);font-weight:700;color:var(--text);font-size:.98rem}

/* ---------- TOC ---------- */
.toc{position:sticky;top:88px;padding:2rem 0 3rem;font-size:.83rem;max-height:calc(100vh - 88px);overflow-y:auto}
.toc-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--text-muted);margin-bottom:.75rem}
.toc-list{list-style:none;margin:0;border-left:1px solid var(--border)}
.toc-list li{margin:0}
.toc-list a{display:block;padding:.3rem 0 .3rem .85rem;color:var(--text-muted);border-left:2px solid transparent;margin-left:-1px}
.toc-list a.is-active{color:var(--gold);border-left-color:var(--gold);font-weight:600}
.toc-list .toc-h3{padding-left:1.6rem}

/* ---------- Homepage ---------- */
.home-hero{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:5rem 1.25rem 6rem;text-align:center;position:relative;overflow:hidden}
.home-hero:after{content:'';position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");opacity:.05;mix-blend-mode:overlay;pointer-events:none}
.home-hero-inner{max-width:720px;margin:0 auto;position:relative}
.home-eyebrow{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.18em;color:#e3d2ac;background:#8a6a3730;border:1px solid rgba(227,210,172,.35);padding:.4rem .9rem;border-radius:100px;margin-bottom:1.5rem}
.home-hero h1{color:#fff;font-size:clamp(2rem,5vw,3rem);margin-bottom:1rem}
.home-hero p{color:#ffffffcc;font-size:1.1rem;max-width:560px;margin:0 auto 2rem}
.home-search-wrap{max-width:520px;margin:0 auto}
.home-search-wrap .search-trigger{width:100%;height:52px;background:#fff;color:var(--text-muted);border:none;box-shadow:var(--shadow-lg)}

.home-body{max-width:1140px;margin:0 auto;padding:4rem 1.25rem 6rem}
.home-section-title{text-align:center;margin-bottom:.5rem}
.home-section-sub{text-align:center;color:var(--text-muted);max-width:560px;margin:0 auto 2.5rem}
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;margin-bottom:4rem}
.category-card{border:1px solid var(--border);border-radius:var(--radius-md);padding:1.75rem;background:var(--bg-elevated);box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease}
.category-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--gold)}
.category-icon{width:44px;height:44px;border-radius:var(--radius-md);background:var(--gold-tint);color:var(--gold);display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem}
.category-icon svg{width:22px;height:22px}
.category-card h3{margin:0 0 .4rem;font-size:1.1rem}
.category-card p{color:var(--text-muted);font-size:.9rem;margin-bottom:.9rem}
.category-card .cc-count{font-size:.78rem;color:var(--gold);font-weight:700}

.popular-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}
.popular-item{display:flex;align-items:center;gap:.9rem;padding:1rem 1.1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated)}
.popular-item:hover{border-color:var(--gold)}
.popular-num{font-family:var(--font-serif);font-weight:700;font-size:1.3rem;color:var(--gold-tint);color:var(--gold);opacity:.5;width:28px;flex-shrink:0}
.popular-title{font-weight:600;font-size:.92rem;color:var(--text)}
.popular-cat{font-size:.78rem;color:var(--text-muted)}

.home-cta{text-align:center;background:var(--bg-subtle);border-radius:var(--radius-md);padding:3rem 1.5rem;margin-top:2rem}
.home-cta h2{margin-bottom:.5rem}
.home-cta p{color:var(--text-muted);margin-bottom:1.5rem}

.btn{display:inline-flex;align-items:center;gap:.4em;padding:.75rem 1.75rem;border-radius:var(--radius-sm);font-weight:600;font-size:.875rem;letter-spacing:.03em;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);border:2px solid transparent;text-decoration:none;line-height:1}
.btn-primary{background:var(--gold);color:#fff;border-color:var(--gold)}
.btn-primary:hover{background:var(--gold-hover);border-color:var(--gold-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--border)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}

/* ---------- Footer ---------- */
.doc-footer{border-top:1px solid var(--border);padding:2.5rem 1.25rem;text-align:center;color:var(--text-muted);font-size:.85rem}
.doc-footer a{color:var(--text-muted)}
.doc-footer a:hover{color:var(--gold)}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .doc-shell{grid-template-columns:240px minmax(0,1fr)}
  .toc{display:none}
}
@media (max-width:860px){
  .doc-shell{grid-template-columns:1fr;padding:0}
  .sidebar{position:fixed;top:64px;left:0;bottom:0;width:280px;max-width:85vw;z-index:250;transform:translateX(-100%);transition:transform .25s ease;box-shadow:var(--shadow-lg);padding:1.5rem 1.25rem 3rem;height:calc(100vh - 64px)}
  .sidebar.is-open{transform:translateX(0)}
  .sidebar-backdrop{display:block;position:fixed;inset:64px 0 0 0;background:rgba(8,14,26,.45);z-index:240;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility 0s linear .25s}
  .sidebar-backdrop.is-open{opacity:1;visibility:visible;transition:opacity .25s ease}
  .header-nav-toggle{display:inline-flex}
  .doc-main{padding:1.75rem 1.25rem 4rem}
  .search-trigger{width:auto;padding:0 .6rem}
  .search-trigger .st-label{display:none}
  .back-to-site{display:none}
  .prev-next{grid-template-columns:1fr}
  .pn-card.next{text-align:left}
  .home-hero{padding:3.5rem 1.25rem 4rem}
}
@media (prefers-reduced-motion: reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}