.learn-doc{--navy:#0a1628;--navy2:#0f1a2a;--gold:#c9a227;--gold-light:#d4b44a;--gold-hover:#b8921f;--parchment:#f5f0e8;--surface:#faf8f3;--raised:#fff;--surface-alt:#f0ebe0;--text:#0a1628;--muted:#5a4a38;--border:rgba(201,162,39,.18);--divider:#e8e0d4;--gold-muted:rgba(201,162,39,.12)}
.learn-doc *{box-sizing:border-box;margin:0;padding:0}
.learn-doc{font-family:'Inter',sans-serif;background:var(--parchment);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
.learn-doc .font-display{font-family:'Playfair Display',serif}
.learn-doc .container{max-width:1080px;margin:0 auto;padding:0 24px}
.learn-doc .nav{background:var(--navy);border-bottom:1px solid rgba(201,162,39,.15);position:sticky;top:0;z-index:10}
.learn-doc .nav .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.learn-doc .brand{font-family:'Playfair Display',serif;font-weight:700;font-size:22px;color:var(--parchment)}
.learn-doc .brand span{color:var(--gold)}
.learn-doc .nav nav a{color:#a9b6c6;text-decoration:none;font-size:14px;font-weight:500;margin-left:26px}
.learn-doc .nav nav a.active,.learn-doc .nav nav a:hover{color:var(--gold)}
.learn-doc .eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.learn-doc h1.title{font-family:'Playfair Display',serif;font-weight:800;font-size:clamp(34px,5vw,52px);line-height:1.08;letter-spacing:-.02em;margin:.25em 0}
.learn-doc h2.sect{font-family:'Playfair Display',serif;font-weight:700;font-size:clamp(25px,3.3vw,36px);line-height:1.14;letter-spacing:-.02em}
.learn-doc h3{font-family:'Playfair Display',serif;font-weight:700;font-size:21px;line-height:1.25}
.learn-doc .lede{font-size:19px;color:var(--muted);max-width:64ch}
.learn-doc .rule{width:84px;height:4px;background:var(--gold);border-radius:2px;margin:18px 0}
.learn-doc .card{background:var(--raised);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:0 8px 22px -16px rgba(10,22,40,.2)}
.learn-doc .pill{display:inline-block;background:var(--gold-muted);color:#9c7c14;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:4px 10px;border-radius:999px}
.learn-doc .tag{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:3px 9px;border-radius:6px;background:var(--gold-muted);color:#9c7c14}
.learn-doc .callout{background:var(--gold-muted);border:1px solid var(--border);border-left:3px solid var(--gold);border-radius:10px;padding:22px 24px}
.learn-doc .callout .k{font-family:'Playfair Display',serif;font-weight:700;font-size:18px;margin-bottom:6px}
.learn-doc .excerpt{font-family:'Literata',serif;font-size:16px;line-height:1.75;color:#3a3326;border-left:2px solid var(--divider);padding:8px 0 8px 18px;background:var(--surface)}
.learn-doc mark{background:var(--gold-muted);color:inherit;padding:0 2px}.learn-doc mark.drift{background:rgba(199,115,90,.18);color:#a85741}
.learn-doc .crumb{font-size:13px;color:var(--muted);margin:22px 0 4px}.learn-doc .crumb a{color:var(--muted);text-decoration:none}.learn-doc .crumb a:hover{color:var(--gold)}
.learn-doc .btn{display:inline-block;background:var(--gold);color:var(--navy);font-weight:600;font-size:15px;padding:12px 24px;border-radius:999px;text-decoration:none}.learn-doc .btn:hover{background:var(--gold-hover)}
.learn-doc .grid{display:grid;gap:20px}.learn-doc .grid-2{grid-template-columns:repeat(2,1fr)}.learn-doc .grid-3{grid-template-columns:repeat(3,1fr)}@media(max-width:760px){.learn-doc .grid-2,.learn-doc .grid-3{grid-template-columns:1fr}}
.learn-doc table.cmp{width:100%;border-collapse:collapse;font-size:14px;background:var(--raised);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.learn-doc table.cmp th,.learn-doc table.cmp td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--divider);vertical-align:top}
.learn-doc table.cmp th{font-weight:600;color:var(--muted);background:var(--surface)}
.learn-doc .yes{color:#10b981;font-weight:700}.learn-doc .no{color:#ef4444;font-weight:700}.learn-doc .partial{color:#9c7c14;font-weight:700}
.learn-doc .foot{background:var(--navy);color:#a89880;margin-top:64px;padding:34px 0;font-size:13px}
.learn-doc .foot .container{display:flex;justify-content:space-between;align-items:center}
.learn-doc .foot .b{font-family:'Playfair Display',serif;color:var(--parchment);font-size:16px}.learn-doc .foot .b span{color:var(--gold)}
.learn-doc section{padding:40px 0}
/* ===== CANONICAL SHARED COMPONENTS ===== */
.learn-doc .meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px;font-size:13px;color:var(--muted)}
.learn-doc .meta-row .dot{width:4px;height:4px;border-radius:999px;background:var(--gold);display:inline-block}
.learn-doc .def-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px 30px;margin-top:24px}
.learn-doc .def-card .deflabel{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.learn-doc .def-card .defbody{font-family:'Playfair Display',serif;font-size:22px;line-height:1.45;font-weight:400;color:var(--text)}
.learn-doc .def-card .defbody b{font-weight:700}
.learn-doc .def-card p{font-size:17px;color:var(--text);max-width:72ch}.learn-doc .def-card p+p{margin-top:12px}
.learn-doc .def-card .term{font-family:'Playfair Display',serif;font-weight:700;font-size:23px}.learn-doc .def-card .pron{font-style:italic;color:var(--muted);font-size:15px;margin-left:8px}
.learn-doc .acard{display:flex;flex-direction:column;height:100%;background:var(--raised);border:1px solid var(--border);border-radius:12px;padding:22px;box-shadow:0 8px 22px -16px rgba(10,22,40,.2);text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s,border-color .15s}
.learn-doc .acard:hover{transform:translateY(-2px);box-shadow:0 14px 28px -16px rgba(10,22,40,.32);border-color:var(--gold)}
.learn-doc .acard .toptag{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.learn-doc .acard .rt{font-size:13px;color:var(--muted);font-weight:500}
.learn-doc .acard h3{margin:0 0 8px;font-size:19px}
.learn-doc .acard p{font-size:16px;color:var(--muted)}
.learn-doc .acard .read{margin-top:auto;padding-top:14px;color:var(--gold-hover);font-weight:600;font-size:14px}.learn-doc .acard .read::after{content:" \2192"}
.learn-doc .feature{display:grid;grid-template-columns:1.15fr 1fr;gap:30px;align-items:center;background:var(--raised);border:1px solid var(--border);border-radius:14px;padding:30px;box-shadow:0 10px 26px -18px rgba(10,22,40,.28)}@media(max-width:760px){.learn-doc .feature{grid-template-columns:1fr}}
.learn-doc .feature .thumb{background:linear-gradient(135deg,var(--navy),var(--navy2));border-radius:10px;min-height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:26px;position:relative;overflow:hidden;color:#dfe6ee;width:100%}
.learn-doc .feature .thumb .glyph{font-family:'Playfair Display',serif;font-weight:800;font-size:60px;color:var(--gold);line-height:1}
.learn-doc .feature .thumb .sub{position:absolute;bottom:16px;left:20px;right:20px;font-size:13px;color:#a9b6c6;letter-spacing:.04em}
.learn-doc .feature .thumb .lbl{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;align-self:flex-start}
.learn-doc .link-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:18px}
.learn-doc .flow{display:flex;flex-direction:column;gap:0;width:100%}
.learn-doc .flow .step{display:flex;gap:14px;align-items:flex-start;padding:8px 0}
.learn-doc .flow .num{flex:0 0 26px;height:26px;border-radius:999px;background:var(--gold);color:var(--navy);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
.learn-doc .flow .st{font-weight:600;color:#f5f0e8;font-size:14px}.learn-doc .flow .sd{font-size:13px;color:#a9b6c6;line-height:1.5}
.learn-doc .cc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}@media(max-width:640px){.learn-doc .cc-grid{grid-template-columns:1fr}}
.learn-doc .cc{background:var(--raised);border:1px solid var(--border);border-radius:10px;padding:18px 20px}
.learn-doc .cc .t{font-family:'Playfair Display',serif;font-weight:700;font-size:16px;color:var(--text);margin-bottom:6px}
.learn-doc .cc p{font-size:16px;color:var(--muted);margin:0}
.learn-doc .cc-note{font-size:13.5px;color:var(--muted);margin-top:14px;font-style:italic}
.learn-doc .term-link{display:inline-block;border-bottom:1.5px dotted var(--gold);font-weight:600;color:var(--text)}
.learn-doc .cta-band{background:linear-gradient(180deg,var(--surface),var(--surface-alt));border:1px solid var(--border);border-radius:16px;padding:40px;text-align:center}
.learn-doc .cta-band h2{margin-bottom:10px}.learn-doc .cta-band p{color:var(--muted);max-width:56ch;margin:0 auto 22px}.learn-doc .cta-band .sub{font-size:13px;color:var(--muted);margin-top:14px}
.learn-doc .checklist{list-style:none;display:grid;gap:10px;margin-top:12px}
.learn-doc .checklist li{position:relative;padding-left:28px;font-size:16px;color:var(--text)}
.learn-doc .checklist li::before{content:"\2713";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:5px;background:var(--gold-muted);color:var(--gold-hover);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.learn-doc .checklist li strong{font-weight:600}
/* 02 split + check-list + faq */
.learn-doc .split{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:start}@media(max-width:820px){.learn-doc .split{grid-template-columns:1fr}}
.learn-doc .check-list{list-style:none;margin-top:8px}
.learn-doc .check-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:16px;color:var(--muted)}
.learn-doc .check-list li:before{content:"";position:absolute;left:0;top:8px;width:13px;height:13px;border-radius:3px;background:var(--gold-muted);border:1.5px solid var(--gold)}
.learn-doc .check-list li strong{color:var(--text);font-weight:600}
.learn-doc .faq-item{border-bottom:1px solid var(--divider);padding:22px 0}.learn-doc .faq-item:last-child{border-bottom:none}
.learn-doc .faq-q{font-family:'Playfair Display',serif;font-weight:700;font-size:19px;margin-bottom:8px;display:flex;gap:10px;align-items:baseline}.learn-doc .faq-q .qm{color:var(--gold);font-weight:800}
.learn-doc .faq-a{font-size:16px;color:var(--muted);max-width:72ch}.learn-doc .faq-a strong{color:var(--text);font-weight:600}
/* 04 20-point review + holes taxonomy */
.learn-doc .review-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.learn-doc .review-head .count{font-family:'Playfair Display',serif;font-weight:800;font-size:46px;line-height:1;color:var(--gold);text-align:right}
.learn-doc .review-head .count small{font-family:'Inter',sans-serif;font-weight:600;font-size:14px;color:var(--muted);display:block;letter-spacing:.04em;text-transform:uppercase;margin-top:6px}
.learn-doc .dims{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}@media(max-width:860px){.learn-doc .dims{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.learn-doc .dims{grid-template-columns:1fr}}
.learn-doc .dim{background:var(--raised);border:1px solid var(--border);border-radius:10px;padding:14px 15px;display:flex;gap:12px;align-items:flex-start;box-shadow:0 6px 16px -14px rgba(10,22,40,.25)}
.learn-doc .dim .n{font-family:'Playfair Display',serif;font-weight:700;font-size:15px;color:var(--gold);min-width:24px;line-height:1.3}
.learn-doc .dim .b strong{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.3}.learn-doc .dim .b span{display:block;font-size:13px;color:var(--muted);margin-top:3px;line-height:1.4}
.learn-doc .wave-legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;font-size:13px;color:var(--muted)}.learn-doc .wave-legend b{color:var(--text);font-weight:600}
.learn-doc .holes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--raised)}@media(max-width:760px){.learn-doc .holes-grid{grid-template-columns:1fr}}
.learn-doc .holes-grid .col{padding:22px 24px;border-right:1px solid var(--divider)}.learn-doc .holes-grid .col:last-child{border-right:none}@media(max-width:760px){.learn-doc .holes-grid .col{border-right:none;border-bottom:1px solid var(--divider)}.learn-doc .holes-grid .col:last-child{border-bottom:none}}
.learn-doc .holes-grid h3{font-size:18px;margin-bottom:4px}.learn-doc .holes-grid .who{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#9c7c14;margin-bottom:12px}.learn-doc .holes-grid p{font-size:16px;color:var(--muted)}.learn-doc .holes-grid .ex{font-family:'Literata',serif;font-size:13.5px;color:#3a3326;margin-top:12px;font-style:italic}
/* 05 stats + lifecycle + takeaways */
.learn-doc .stack-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}@media(max-width:760px){.learn-doc .stack-row{grid-template-columns:repeat(2,1fr)}}
.learn-doc .stat{background:var(--raised);border:1px solid var(--border);border-radius:12px;padding:18px 20px}
.learn-doc .stat .n{font-family:'Playfair Display',serif;font-weight:800;font-size:30px;line-height:1;color:var(--navy)}.learn-doc .stat .l{font-size:13px;color:var(--muted);margin-top:8px}
.learn-doc .lifecycle{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:28px;position:relative}@media(max-width:760px){.learn-doc .lifecycle{grid-template-columns:1fr;gap:14px}}
.learn-doc .phase{padding:0 16px;position:relative}.learn-doc .phase:not(:last-child)::after{content:"";position:absolute;top:15px;right:-4px;width:8px;height:8px;border-top:2px solid var(--gold);border-right:2px solid var(--gold);transform:rotate(45deg)}@media(max-width:760px){.learn-doc .phase::after{display:none}}
.learn-doc .phase .num{width:32px;height:32px;border-radius:50%;background:var(--navy);color:var(--gold);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-family:'Playfair Display',serif}
.learn-doc .phase h4{font-family:'Playfair Display',serif;font-weight:700;font-size:16px;margin-bottom:6px}.learn-doc .phase p{font-size:16px;color:var(--muted);line-height:1.55}
.learn-doc .takeaways{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:30px 34px}.learn-doc .takeaways ul{margin-top:10px;padding-left:20px}.learn-doc .takeaways li{margin:8px 0;font-size:16px}
/* 03 encyclopedia promo */
.learn-doc .encyc{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;background:linear-gradient(180deg,var(--surface),var(--surface-alt));border:1px solid var(--border);border-radius:14px;padding:28px 32px}@media(max-width:760px){.learn-doc .encyc{grid-template-columns:1fr}}
.learn-doc .encyc .terms{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.learn-doc .encyc .terms a{font-size:13px;font-weight:600;color:var(--muted);text-decoration:none;background:var(--raised);border:1px solid var(--border);border-radius:999px;padding:5px 12px}.learn-doc .encyc .terms a:hover{color:var(--gold-hover);border-color:rgba(201,162,39,.4)}
.learn-doc .tablewrap{overflow-x:auto}
/* ===== ARTICLE COMPONENTS ===== */
.learn-doc .article{max-width:760px;margin:0 auto}
/* On narrow viewports a top-level .article column (casebooks, some howtos/articles
   that aren't wrapped in a padded .container) would run edge-to-edge. Give it the
   same 24px gutter .container has. The reset keeps .article nested inside a
   .container from double-padding (the container already supplies the gutter). */
@media(max-width:808px){.learn-doc .article{padding-left:24px;padding-right:24px}.learn-doc .container .article{padding-left:0;padding-right:0}}
.learn-doc .article p{margin:14px 0;font-size:17px}
.learn-doc .article ul,.learn-doc .article ol{margin:14px 0 14px 22px;font-size:17px}.learn-doc .article li{margin:7px 0}
.learn-doc .lead-answer{font-size:20px;line-height:1.5;color:var(--text);border-left:3px solid var(--gold);padding:8px 0 8px 20px;margin:22px 0 8px;font-family:'Playfair Display',serif;font-style:italic}
.learn-doc .byline{display:flex;align-items:center;gap:12px;margin:18px 0 6px;font-size:14px;color:var(--muted)}
.learn-doc .avatar{width:40px;height:40px;border-radius:999px;background:var(--navy);color:var(--gold);font-family:'Playfair Display',serif;font-weight:700;display:flex;align-items:center;justify-content:center}
.learn-doc .who{color:var(--text);font-weight:600}.learn-doc .byline .dot{opacity:.5}
.learn-doc .toc{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 22px;margin:24px 0}
.learn-doc .toc .k{font-family:'Playfair Display',serif;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}
.learn-doc .toc ol{margin:0 0 0 18px;font-size:15px}.learn-doc .toc a{color:var(--text);text-decoration:none}.learn-doc .toc a:hover{color:var(--gold-hover)}
.learn-doc h2.sect[id]{scroll-margin-top:88px}
.learn-doc .steps{list-style:none;margin:18px 0;counter-reset:s}
.learn-doc .steps>li{position:relative;padding:2px 0 4px 52px;margin:22px 0;counter-increment:s}
.learn-doc .steps>li:before{content:counter(s);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:999px;background:var(--gold-muted);color:#9c7c14;font-family:'Playfair Display',serif;font-weight:700;display:flex;align-items:center;justify-content:center}
.learn-doc .steps h3{margin-bottom:4px}.learn-doc .steps p{margin:4px 0;font-size:16px;color:var(--muted)}
.learn-doc .contrast{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:26px 0}@media(max-width:680px){.learn-doc .contrast{grid-template-columns:1fr}}
.learn-doc .contrast .col{border:1px solid var(--border);border-radius:12px;padding:20px;background:var(--raised)}.learn-doc .contrast .col.bad{background:var(--surface)}
.learn-doc .contrast .col h4{font-family:'Playfair Display',serif;font-size:17px;margin-bottom:10px}.learn-doc .contrast .col.bad h4{color:#a85741}.learn-doc .contrast .col.good h4{color:#3f7a72}
.learn-doc .contrast .col ul{list-style:none;margin:0;font-size:14.5px;color:var(--muted)}.learn-doc .contrast .col li{padding:6px 0 6px 22px;position:relative}.learn-doc .contrast .col li:before{position:absolute;left:0;top:6px}.learn-doc .contrast .col.bad li:before{content:"\2715";color:#c7735a}.learn-doc .contrast .col.good li:before{content:"\2713";color:#3f7a72}
.learn-doc .pull{font-family:'Playfair Display',serif;font-weight:700;font-size:26px;line-height:1.25;color:var(--text);border-left:4px solid var(--gold);padding:6px 0 6px 22px;margin:30px 0}.learn-doc .pull span{color:var(--gold-hover)}
.learn-doc .checks{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:16px 0}@media(max-width:680px){.learn-doc .checks{grid-template-columns:1fr}}
.learn-doc .chk{background:var(--raised);border:1px solid var(--border);border-radius:10px;padding:12px 14px;font-size:14.5px}.learn-doc .chk b{font-family:'Playfair Display',serif}
.learn-doc .report{background:var(--raised);border:1px solid var(--border);border-radius:14px;box-shadow:0 8px 22px -16px rgba(10,22,40,.25);overflow:hidden;margin:18px 0}
.learn-doc .report .rhd{background:var(--navy);color:var(--parchment);padding:16px 20px;display:flex;justify-content:space-between;align-items:center}
.learn-doc .report .rhd .t{font-family:'Playfair Display',serif;font-weight:700}.learn-doc .report .rhd .s{font-size:13px;color:#a9b6c6}
.learn-doc .finding{display:flex;gap:14px;padding:16px 20px;border-top:1px solid var(--divider);align-items:flex-start}
.learn-doc .sev{flex:0 0 auto;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:4px 9px;border-radius:6px;margin-top:2px}
.learn-doc .sev.crit{background:rgba(239,68,68,.12);color:#c0392b}.learn-doc .sev.major{background:var(--gold-muted);color:#9c7c14}.learn-doc .sev.minor{background:rgba(99,162,150,.16);color:#3f7a72}
.learn-doc .finding .ft{font-weight:600}.learn-doc .finding .fr{font-size:13px;color:var(--muted);margin-top:2px}
/* ---- Navy accent block (manifesto / brand emphasis) ---- */
.learn-doc .navy-block{background:var(--navy);color:#f8f6f0;border-radius:14px;padding:36px 40px;margin:34px 0}
.learn-doc .navy-block .pill,.learn-doc .navy-block .eyebrow{color:var(--gold)}
.learn-doc .navy-block h2,.learn-doc .navy-block h3{font-family:'Playfair Display',serif;color:#f8f6f0;margin:8px 0 12px}
.learn-doc .navy-block p{color:#a89880}
.learn-doc .navy-block strong{color:#f8f6f0}
.learn-doc h1.title em{color:var(--gold);font-style:italic}
.learn-doc table.cmp td.feat{font-weight:600}
.learn-doc table.cmp .sh,.learn-doc table.cmp td.sh{background:var(--gold-muted)}