:root{
  --navy:#092E52;
  --navy-deep:#06213C;
  --teal:#00A3A3;
  --teal-tint:#DDF5F4;
  --orange:#F28C28;
  --ink:#1B2A3A;
  --muted:#5A6B7B;
  --surface:#F3F7FA;
  --border:#CFD9E2;
  --success:#176B4D;
  --error:#A61B1B;
  --paper:#FFFFFF;
  --shadow:0 10px 30px rgba(9,46,82,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:0}
img{max-width:100%;display:block}
.skip-link{position:absolute;left:-999px;top:10px;z-index:100;background:#fff;padding:10px 14px;border-radius:8px;box-shadow:var(--shadow)}
.skip-link:focus{left:10px}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

/* ---------- Header ---------- */
.doc-header{position:sticky;top:0;z-index:50;background:var(--navy);border-bottom:1px solid #123a63}
.doc-header-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:28px;height:64px}
.doc-brand{display:flex;align-items:center;gap:10px;font-family:Georgia,serif;font-size:18px;color:#fff;font-weight:700;flex-shrink:0}
.doc-brand img{height:30px;width:30px;border-radius:7px;background:#fff;padding:3px}
.doc-brand em{font-style:normal;color:var(--orange)}
.doc-nav{display:flex;gap:4px;flex:1}
.doc-nav-item{position:relative}
.doc-nav-link{display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:8px;font-size:13.5px;font-weight:600;color:#cfe0ee}
.doc-nav-link:hover,.doc-nav-item.open .doc-nav-link{background:rgba(255,255,255,.08);color:#fff}
.doc-nav-link .car{font-size:9px;opacity:.7}
.mega-menu{display:none;position:absolute;top:calc(100% + 6px);left:0;min-width:340px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:14px;z-index:60}
.doc-nav-item.open .mega-menu{display:block}
.mega-menu a{display:block;padding:9px 10px;border-radius:8px;font-size:13px;color:var(--ink);font-weight:600}
.mega-menu a:hover{background:var(--teal-tint);color:var(--navy)}
.mega-menu a span{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:2px}
.doc-header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.doc-search-btn{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:9px;padding:8px 12px;color:#cfe0ee;font-size:12.5px;min-width:200px}
.doc-search-btn kbd{margin-left:auto;font-size:10px;background:rgba(255,255,255,.12);border-radius:5px;padding:2px 6px;font-family:inherit}
.doc-signin{border:1.5px solid rgba(255,255,255,.35);color:#fff;border-radius:8px;padding:8px 14px;font-size:12.5px;font-weight:700}
.doc-signin:hover{background:rgba(255,255,255,.1)}
.doc-selector select{appearance:none;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#cfe0ee;border-radius:8px;padding:8px 10px;font-size:12px;font-weight:600}
.doc-selector select:hover{background:rgba(255,255,255,.14)}
.doc-selector select option{color:#1B2A3A}
.doc-mobile-toggle{display:none;color:#fff;font-size:20px;border-radius:8px;width:38px;height:38px}

/* ---------- Hero / search ---------- */
.doc-hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-deep) 100%);padding:64px 24px 56px;text-align:center}
.doc-hero h1{color:#fff;font-size:clamp(28px,3.6vw,42px);letter-spacing:-.02em;margin-bottom:14px}
.doc-hero p{color:#b9cee2;font-size:15px;max-width:560px;margin:0 auto 30px}
.doc-search-wide{max-width:640px;margin:0 auto;display:flex;align-items:center;gap:10px;background:#fff;border-radius:12px;padding:14px 18px;box-shadow:0 20px 45px rgba(0,0,0,.25)}
.doc-search-wide input{border:0;flex:1;font-size:14px;outline:none;color:var(--ink)}
.doc-search-wide .ic{color:var(--muted)}
.doc-search-wide kbd{font-size:11px;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:3px 7px;color:var(--muted)}

/* ---------- Search dialog (Ctrl/Cmd+K) ---------- */
.doc-search-dialog{position:fixed;inset:0;background:rgba(6,33,60,.55);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding-top:10vh}
.doc-search-panel{background:#fff;border-radius:14px;width:min(640px,92vw);max-height:76vh;display:flex;flex-direction:column;box-shadow:0 30px 70px rgba(0,0,0,.35);overflow:hidden}
.doc-search-input-row{display:flex;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid var(--border);flex-shrink:0}
.doc-search-input-row input{flex:1;border:0;outline:none;font-size:14.5px;color:var(--ink)}
.doc-search-esc{font-size:11px;color:var(--muted);border:1px solid var(--border);border-radius:7px;padding:4px 9px}
.doc-search-esc:hover{background:var(--surface)}
.doc-search-filters{display:flex;gap:6px;padding:10px 18px;border-bottom:1px solid var(--border);flex-wrap:wrap;flex-shrink:0}
.doc-search-filters button{font-size:11.5px;font-weight:700;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:6px 12px}
.doc-search-filters button:hover{color:var(--navy)}
.doc-search-filters button.is-active{background:var(--navy);color:#fff;border-color:var(--navy)}
.doc-search-results{overflow-y:auto;padding:10px 10px;flex:1}
.doc-search-results-list{list-style:none;margin:0;padding:0}
.doc-search-result{display:block;padding:11px 12px;border-radius:10px;margin-bottom:2px}
.doc-search-result:hover,.doc-search-result.is-selected{background:var(--teal-tint)}
.doc-search-result-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:3px}
.doc-search-result-title{font-size:13.5px;font-weight:700;color:var(--navy)}
.doc-search-result-title mark{background:#fff2c9;color:inherit;border-radius:3px;padding:0 1px}
.doc-search-result-crumb{font-size:10.5px;color:var(--muted);margin-bottom:3px}
.doc-search-result-excerpt{font-size:12px;color:var(--muted);line-height:1.5}
.doc-search-result-excerpt mark{background:#fff2c9;color:inherit;border-radius:3px;padding:0 1px}
.doc-search-results .doc-search-results-list a{display:block;padding:9px 12px;border-radius:9px;font-size:13px;font-weight:700;color:var(--navy)}
.doc-search-results .doc-search-results-list a:hover{background:var(--surface)}
.doc-search-section-label{font:700 10px Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:10px 12px 4px}
.doc-search-recent{display:flex;flex-wrap:wrap;gap:6px;padding:0 12px 8px}
.doc-search-chip{font-size:11.5px;color:var(--navy);background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:5px 11px}
.doc-search-chip:hover{background:var(--teal-tint)}
.doc-search-empty{padding:16px 14px 4px;font-size:13px;color:var(--muted)}
.doc-search-empty b{display:block;color:var(--navy);font-size:14px;margin-bottom:4px}
.doc-search-escalate{padding:10px 14px 4px;font-size:12px;color:var(--muted)}
.doc-search-escalate a{color:var(--teal);font-weight:700}
.doc-search-footer-hint{padding:9px 18px;border-top:1px solid var(--border);font-size:11px;color:var(--muted);display:flex;gap:6px;align-items:center;flex-shrink:0}
.doc-search-footer-hint kbd{background:var(--surface);border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-size:10px}

/* ---------- Sections / cards ---------- */
.doc-section{max-width:1280px;margin:0 auto;padding:56px 24px}
.doc-section-head{max-width:640px;margin-bottom:32px}
.doc-eyebrow{display:inline-block;font:700 11px Arial,sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);margin-bottom:10px}
.doc-section-head h2{font-size:28px;color:var(--navy);letter-spacing:-.02em;margin-bottom:8px}
.doc-section-head p{font-size:14px;color:var(--muted);line-height:1.6}

.doc-category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.doc-category-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px;transition:.18s}
.doc-category-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:transparent}
.doc-category-card .num{font:700 11px Arial,sans-serif;color:var(--teal);letter-spacing:.08em;margin-bottom:10px}
.doc-category-card .ic{width:42px;height:42px;border-radius:11px;background:var(--teal-tint);color:var(--teal);display:grid;place-items:center;font-size:19px;margin-bottom:14px}
.doc-category-card h3{font-size:17px;color:var(--navy);margin-bottom:8px}
.doc-category-card p{font-size:12.5px;color:var(--muted);line-height:1.6;margin-bottom:14px}
.doc-category-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.doc-category-card ul a{font-size:12px;font-weight:700;color:var(--navy)}
.doc-category-card ul a:hover{color:var(--teal)}

.doc-quickstart-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.doc-quickstart-card{border:1px solid var(--border);border-radius:12px;padding:18px;text-align:center;background:var(--surface)}
.doc-quickstart-card:hover{background:var(--teal-tint)}
.doc-quickstart-card .ic{width:40px;height:40px;border-radius:50%;background:#fff;color:var(--navy);display:grid;place-items:center;margin:0 auto 10px;font-size:17px;box-shadow:var(--shadow)}
.doc-quickstart-card b{display:block;font-size:12.5px;color:var(--navy)}

.doc-status-strip{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;background:var(--teal-tint);border:1px solid #bfe9e7;border-radius:14px;padding:18px 22px}
.doc-status-strip .dot{width:9px;height:9px;border-radius:50%;background:var(--success);display:inline-block;margin-right:8px}
.doc-status-strip b{font-size:13px;color:var(--navy)}
.doc-status-strip span{font-size:12px;color:var(--muted)}
.doc-status-strip a{font-size:12px;font-weight:700;color:var(--teal)}

/* ---------- Role / collection index pages ---------- */
.doc-role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.doc-role-card{border:1px solid var(--border);border-radius:14px;padding:22px;background:#fff}
.doc-role-card h3{font-size:16px;color:var(--navy);margin-bottom:10px}
.doc-role-card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.doc-role-card li a{font-size:13px;color:var(--ink);font-weight:600;display:flex;align-items:center;gap:8px}
.doc-role-card li a:hover{color:var(--teal)}
.doc-role-card li a .stub{font-size:9px;font-weight:700;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:2px 7px;margin-left:auto}

/* ---------- Article layout ---------- */
.doc-article-shell{max-width:1280px;margin:0 auto;padding:28px 24px 80px;display:grid;grid-template-columns:240px minmax(0,1fr) 220px;gap:36px}
.doc-leftnav{position:sticky;top:80px;align-self:start;font-size:13px}
.doc-leftnav .group{margin-bottom:18px}
.doc-leftnav .group-title{font:700 10px Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.doc-leftnav a{display:block;padding:6px 10px;border-radius:7px;color:var(--muted);font-weight:600}
.doc-leftnav a.active{background:var(--teal-tint);color:var(--navy)}
.doc-leftnav a:hover{color:var(--navy)}

.doc-breadcrumbs{font-size:12px;color:var(--muted);margin-bottom:14px;display:flex;gap:6px;flex-wrap:wrap}
.doc-breadcrumbs a{color:var(--muted);font-weight:600}
.doc-breadcrumbs a:hover{color:var(--teal)}
.doc-badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.doc-badge{font:700 10.5px Arial,sans-serif;letter-spacing:.02em;padding:5px 10px;border-radius:20px;background:var(--surface);border:1px solid var(--border);color:var(--muted)}
.doc-badge.role{background:var(--teal-tint);color:var(--navy);border-color:transparent}

.doc-article h1{font-size:30px;color:var(--navy);letter-spacing:-.02em;margin-bottom:12px}
.doc-article .summary{font-size:14.5px;color:var(--muted);line-height:1.7;margin-bottom:28px}
.doc-article h2{font-size:19px;color:var(--navy);margin:34px 0 12px}
.doc-article p{font-size:14px;line-height:1.75;color:var(--ink);margin-bottom:14px}
.doc-article ol{margin:0 0 20px;padding-left:22px;display:flex;flex-direction:column;gap:10px}
.doc-article ol li{font-size:14px;line-height:1.7;color:var(--ink)}
.doc-article ul.plain{margin:0 0 20px;padding-left:22px;display:flex;flex-direction:column;gap:6px}
.doc-article ul.plain li{font-size:14px;color:var(--ink)}

.doc-callout{border-radius:10px;padding:16px 18px;margin:18px 0;font-size:13.5px;line-height:1.65;border:1px solid;display:flex;gap:12px}
.doc-callout .ic{flex-shrink:0;font-size:16px}
.doc-callout.warn{background:#FEF3E8;border-color:#f6d5ab;color:#7a4a0c}
.doc-callout.info{background:var(--teal-tint);border-color:#bfe9e7;color:#0b4a4a}
.doc-callout.danger{background:#FBEAEA;border-color:#f0c2c2;color:var(--error)}

.doc-meta-panel{border:1px solid var(--border);border-radius:12px;padding:16px;background:var(--surface);margin-bottom:20px}
.doc-meta-panel dt{font:700 10px Arial,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.doc-meta-panel dd{margin:0 0 12px;font-size:12.5px;color:var(--ink)}
.doc-meta-panel dd:last-child{margin-bottom:0}

.doc-related{border-top:1px solid var(--border);margin-top:40px;padding-top:24px}
.doc-related h3{font-size:14px;color:var(--navy);margin-bottom:12px}
.doc-related ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.doc-related a{font-size:13px;font-weight:700;color:var(--teal)}

.doc-feedback{display:flex;align-items:center;gap:12px;border:1px solid var(--border);border-radius:12px;padding:14px 18px;margin-top:28px;font-size:13px;color:var(--muted)}
.doc-feedback button{border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-size:12.5px;font-weight:700;color:var(--navy)}
.doc-feedback button:hover{background:var(--teal-tint);border-color:transparent}

.doc-on-this-page{position:sticky;top:80px;align-self:start;font-size:12.5px}
.doc-on-this-page .group-title{font:700 10px Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.doc-on-this-page a{display:block;padding:5px 0;color:var(--muted);font-weight:600}
.doc-on-this-page a:hover{color:var(--teal)}

/* ---------- Footer ---------- */
.doc-footer{background:var(--navy-deep);color:#a9c2d8;margin-top:40px}
.doc-footer-inner{max-width:1280px;margin:0 auto;padding:48px 24px 24px}
.doc-footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:24px;margin-bottom:32px}
.doc-footer-brand p{font-size:12px;color:#89a5bd;line-height:1.7;margin-top:12px;max-width:230px}
.doc-footer-col h4{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#6f8ba5;margin-bottom:14px}
.doc-footer-col a{display:block;font-size:12.5px;color:#c3d6e6;margin-bottom:10px}
.doc-footer-col a:hover{color:#fff}
.doc-footer-bottom{border-top:1px solid #123a63;padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:11px;color:#6f8ba5}

/* ---------- Utility / stub page ---------- */
.doc-stub-banner{background:var(--teal-tint);border:1px dashed #8fd0cd;border-radius:12px;padding:16px 18px;font-size:12.5px;color:#0b4a4a;margin-bottom:28px}

/* ---------- Training: path / module / lesson / quiz / certificate ---------- */
.doc-path-hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-deep) 100%);border-radius:20px;padding:34px 32px;color:#fff;margin-bottom:32px}
.doc-path-hero .meta-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;font-size:12px;color:#b9cee2}
.doc-path-hero .meta-row span{display:flex;align-items:center;gap:6px}
.doc-path-progress-track{background:rgba(255,255,255,.15);border-radius:20px;height:9px;overflow:hidden;margin-top:18px;max-width:420px}
.doc-path-progress-fill{height:100%;background:linear-gradient(90deg,var(--teal),#5be0d8);border-radius:20px;transition:width .3s ease}
.doc-path-progress-label{font-size:11.5px;color:#b9cee2;margin-top:8px}

.doc-module-list{display:flex;flex-direction:column;gap:12px}
.doc-module-card{display:flex;align-items:center;gap:16px;border:1px solid var(--border);border-radius:14px;padding:18px 20px;background:#fff}
.doc-module-card.is-locked{opacity:.55}
.doc-module-num{width:36px;height:36px;border-radius:50%;background:var(--surface);color:var(--navy);font-weight:700;font-size:13px;display:grid;place-items:center;flex-shrink:0;border:1px solid var(--border)}
.doc-module-num.is-complete{background:var(--success);color:#fff;border-color:var(--success)}
.doc-module-body{flex:1;min-width:0}
.doc-module-body h3{font-size:15.5px;color:var(--navy);margin-bottom:3px}
.doc-module-body p{font-size:12px;color:var(--muted)}
.doc-module-meta{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap}
.doc-status-pill{font:700 10px Arial,sans-serif;letter-spacing:.03em;padding:4px 10px;border-radius:20px}
.doc-status-pill.not-started{background:var(--surface);color:var(--muted);border:1px solid var(--border)}
.doc-status-pill.in-progress{background:#FEF3E8;color:#b25a0c}
.doc-status-pill.completed{background:#e3f5ec;color:var(--success)}
.doc-module-card .go{flex-shrink:0;font-size:12px;font-weight:700;color:var(--teal)}

.doc-lesson-shell{max-width:760px;margin:0 auto;padding:32px 24px 80px}
.doc-lesson-shell h1{font-size:26px;color:var(--navy);margin-bottom:8px}
.doc-lesson-shell .lesson-meta{font-size:12px;color:var(--muted);margin-bottom:24px}
.doc-lesson-shell p{font-size:14.5px;line-height:1.75;color:var(--ink);margin-bottom:16px}
.doc-lesson-shell h2{font-size:18px;color:var(--navy);margin:28px 0 10px}
.doc-video-block{background:var(--navy-deep);border-radius:14px;aspect-ratio:16/9;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;gap:12px;margin:18px 0;position:relative}
.doc-video-block .play{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.15);display:grid;place-items:center;font-size:20px}
.doc-video-controls{position:absolute;bottom:12px;right:12px;display:flex;gap:8px}
.doc-video-controls button{font-size:10.5px;font-weight:700;background:rgba(255,255,255,.14);color:#fff;border-radius:6px;padding:5px 9px}
.doc-video-controls button.is-active{background:var(--teal)}
.doc-transcript{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;font-size:12.5px;color:var(--muted);margin:14px 0;line-height:1.7}
.doc-lesson-actions{display:flex;justify-content:space-between;align-items:center;margin-top:34px;padding-top:20px;border-top:1px solid var(--border)}
.doc-mark-complete{background:var(--navy);color:#fff;border-radius:9px;padding:11px 18px;font-size:12.5px;font-weight:700}
.doc-mark-complete.is-done{background:var(--success)}
.doc-lesson-nav-link{font-size:12.5px;font-weight:700;color:var(--teal)}

.doc-quiz-q{border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin-bottom:14px}
.doc-quiz-q p{font-weight:700;color:var(--navy);margin-bottom:12px;font-size:13.5px}
.doc-quiz-opt{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;font-size:13px;cursor:pointer}
.doc-quiz-opt:hover{background:var(--surface)}
.doc-quiz-opt input{accent-color:var(--teal)}
.doc-quiz-result{border-radius:12px;padding:16px 18px;font-size:13.5px;margin-top:8px}
.doc-quiz-result.pass{background:#e3f5ec;color:var(--success)}
.doc-quiz-result.fail{background:#FBEAEA;color:var(--error)}
.doc-quiz-submit{background:var(--orange);color:#fff;border-radius:9px;padding:11px 20px;font-size:12.5px;font-weight:700;margin-top:6px}

.doc-cert-shell{max-width:760px;margin:0 auto;padding:48px 24px 80px;text-align:center}
.doc-cert-card{border:2px solid var(--navy);border-radius:18px;padding:48px 40px;background:linear-gradient(180deg,#fff 0%,var(--teal-tint) 100%)}
.doc-cert-card .mark{width:64px;height:64px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:26px;margin:0 auto 18px}
.doc-cert-card h1{font-family:Georgia,serif;font-size:15px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.doc-cert-card h2{font-size:28px;color:var(--navy);margin-bottom:6px}
.doc-cert-card .name{font-family:Georgia,serif;font-size:22px;color:var(--navy);border-bottom:2px solid var(--border);display:inline-block;padding:0 20px 10px;margin:18px 0}
.doc-cert-locked{color:var(--muted);font-size:14px;padding:60px 20px}

@media(max-width:1100px){
  .doc-article-shell{grid-template-columns:1fr}
  .doc-leftnav,.doc-on-this-page{position:static;display:none}
  .doc-category-grid{grid-template-columns:repeat(2,1fr)}
  .doc-quickstart-grid{grid-template-columns:repeat(3,1fr)}
  .doc-role-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .doc-nav,.doc-search-btn,.doc-signin,.doc-selector{display:none}
  .doc-mobile-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto}
  .doc-category-grid{grid-template-columns:1fr}
  .doc-quickstart-grid{grid-template-columns:repeat(2,1fr)}
  .doc-footer-grid{grid-template-columns:repeat(2,1fr)}
}