/* The Planning Perspective: shared article stylesheet.
   Navy #1A2035 · Gold #C8973A · Dark gold #8A6420 · Cream #F5F0E8 · Page #FDFCFA
   The site masthead, navigation and footer keep their own inline styles. */

:root{
  --navy:#1A2035;
  --gold:#C8973A;
  --gold-dark:#8A6420;
  --cream:#F5F0E8;
  --page:#FDFCFA;
  --muted:#5A6580;
  --rule:#E2E6EF;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Source Sans 3',-apple-system,Helvetica,Arial,sans-serif;
}

/* ---------- Hero band ---------- */
.pp-hero{position:relative;background:var(--navy);color:#fff;padding:clamp(48px,7vw,104px) clamp(24px,7vw,110px) clamp(52px,7vw,104px);overflow:hidden;}
.pp-hero-hex{position:absolute;top:-90px;right:-130px;width:560px;height:560px;opacity:0.13;pointer-events:none;}
.pp-hero-inner{position:relative;max-width:1300px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(40px,5vw,80px);align-items:center;}
.pp-hero-inner.pp-no-image{grid-template-columns:minmax(0,1fr);max-width:900px;}
.pp-kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--gold);margin-bottom:24px;}
.pp-kicker:hover{color:#F0DEB4;}
.pp-pill-row{margin-bottom:24px;}
.pp-pill{display:inline-block;font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:#F0DEB4;background:rgba(200,151,58,0.16);border:1px solid rgba(200,151,58,0.5);padding:4px 12px;border-radius:999px;}
.pp-hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(34px,4.6vw,64px);line-height:1.08;letter-spacing:-0.01em;margin-bottom:26px;text-wrap:balance;}
.pp-standfirst{font-family:var(--serif);font-style:italic;font-size:clamp(19px,1.8vw,24px);line-height:1.5;color:#C7CEDE;max-width:34em;margin-bottom:28px;}
.pp-byline{font-size:14px;font-weight:600;letter-spacing:0.02em;color:#C7CEDE;line-height:1.6;}
.pp-byline .pp-sep{color:var(--gold);padding:0 0.35em;}
.pp-updated{color:#F0DEB4;}
.pp-nw{white-space:nowrap;}
.pp-disclaimer{font-style:italic;font-size:13.5px;line-height:1.55;color:#8A95AA;margin-top:12px;max-width:38em;}
.pp-hero-figure{margin:0;width:100%;max-width:480px;justify-self:end;}
.pp-hero-frame{aspect-ratio:4/5;overflow:hidden;border-radius:5px;border:1px solid rgba(200,151,58,0.3);background:#262d47;}
.pp-hero-frame img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;}
.pp-hero-figure figcaption{font-size:12px;font-weight:500;letter-spacing:0.04em;color:#8A95AA;margin-top:12px;line-height:1.5;}

/* ---------- Body layout ---------- */
.pp-main{background:var(--page);padding:clamp(40px,6vw,80px) clamp(24px,7vw,110px) clamp(64px,8vw,110px);font-size:18px;}
.pp-layout{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,35em) minmax(200px,15em);grid-template-areas:"brief toc" "body toc";column-gap:clamp(40px,5vw,72px);justify-content:center;align-items:start;}
.pp-brief{grid-area:brief;}
.pp-toc{grid-area:toc;position:sticky;top:96px;align-self:start;}
.pp-body{grid-area:body;min-width:0;}

/* ---------- Panels ---------- */
.pp-panel{background:var(--cream);border-radius:6px;padding:clamp(22px,3vw,30px) clamp(22px,3vw,32px);}
.pp-label{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:14px;}
.pp-brief{margin-bottom:44px;}
.pp-brief ul{list-style:none;margin:0;padding:0;}
.pp-brief li{position:relative;padding-left:22px;font-size:17px;line-height:1.6;margin-bottom:10px;}
.pp-brief li:last-child{margin-bottom:0;}
.pp-brief li::before{content:"";position:absolute;left:0;top:0.62em;width:8px;height:8px;background:var(--gold);transform:rotate(45deg);}

/* ---------- Contents ---------- */
.pp-toc details{border-top:3px solid var(--gold);padding-top:16px;}
.pp-toc summary{list-style:none;cursor:pointer;font-size:12px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:10px;}
.pp-toc summary::-webkit-details-marker{display:none;}
.pp-toc ol{list-style:none;margin:0;padding:0;}
.pp-toc li{border-bottom:1px solid var(--rule);}
.pp-toc li:last-child{border-bottom:0;}
.pp-toc a{display:flex;gap:10px;padding:9px 0;color:var(--navy);font-size:15px;font-weight:500;line-height:1.35;}
.pp-toc a:hover{color:var(--gold-dark);}
.pp-toc .pp-toc-num{font-family:var(--serif);color:var(--gold-dark);min-width:1.6em;}
.pp-toc a.pp-active{color:var(--gold-dark);}
@media (min-width:961px){.pp-toc summary{cursor:default;pointer-events:none;}}

/* ---------- Article text ---------- */

:where(.pp-body) p,:where(.pp-body) li{font-size:18px;line-height:1.7;color:var(--navy);}
:where(.pp-body) p{margin-bottom:1.15em;}
:where(.pp-body) ul,:where(.pp-body) ol{margin:0 0 1.2em 1.25em;}
:where(.pp-body) li{margin-bottom:0.45em;padding-left:0.2em;}
.pp-body li::marker{color:var(--gold);}
.pp-body strong{font-weight:700;}
.pp-body a{color:var(--navy);text-decoration:underline;text-decoration-color:var(--gold);text-decoration-thickness:2px;text-underline-offset:3px;}
.pp-body a:hover{color:var(--gold-dark);}
.pp-body h3{font-family:var(--serif);font-weight:600;font-size:23px;line-height:1.25;margin:1.6em 0 0.6em;color:var(--navy);}
.pp-body,.pp-notes{overflow-wrap:break-word;}
.pp-intro{margin-bottom:12px;}
.pp-section{padding-top:36px;margin-top:20px;border-top:1px solid var(--rule);scroll-margin-top:90px;}
.pp-num{font-family:var(--serif);font-size:30px;line-height:1;color:var(--gold);margin-bottom:14px !important;}
.pp-section h2,.pp-block h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,2.8vw,34px);line-height:1.15;letter-spacing:-0.01em;color:var(--navy);margin-bottom:22px;text-wrap:balance;}
blockquote{margin:1.6em 0;padding-left:22px;border-left:3px solid var(--gold);}
blockquote p{font-style:italic;}

/* Pull quote: !!! pullquote */
.pp-body .admonition.pullquote{margin:1.8em 0;padding:4px 0 4px 26px;border-left:4px solid var(--gold);}
.pp-body .admonition.pullquote p{font-family:var(--serif);font-style:italic;font-size:clamp(22px,2.4vw,27px);line-height:1.4;margin-bottom:0.4em;}
.pp-body .admonition.pullquote .admonition-title{display:none;}
/* Key concept box: !!! concept "Term" */
.pp-body .admonition.concept{background:var(--cream);border-radius:6px;padding:22px 26px;margin:1.8em 0;}
.pp-body .admonition.concept .admonition-title{font-size:12px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:10px;}
.pp-body .admonition.concept p:last-child{margin-bottom:0;}

/* Information graphic */
.pp-graphic{margin:2em 0;}
.pp-graphic a{display:block;text-decoration:none;cursor:zoom-in;}
.pp-graphic img{display:block;width:100%;height:auto;border:1px solid var(--rule);border-radius:4px;}
.pp-graphic figcaption{font-size:13px;color:var(--muted);margin-top:8px;}
.pp-lightbox{position:fixed;inset:0;z-index:100;background:rgba(26,32,53,0.94);display:none;overflow:auto;cursor:zoom-out;padding:56px 16px 24px;}
.pp-lightbox.open{display:block;}
.pp-lightbox img{display:block;max-width:none;width:min(1920px,240vw);height:auto;margin:0 auto;}
@media (min-width:961px){.pp-lightbox img{width:auto;max-width:100%;max-height:calc(100vh - 80px);}}
.pp-lightbox button{position:fixed;top:12px;right:14px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(240,222,180,0.5);background:var(--navy);color:#F0DEB4;font-size:24px;line-height:1;cursor:pointer;}

/* What should follow */
.pp-follow{margin-top:44px;border-left:4px solid var(--gold);border-radius:0 6px 6px 0;}
.pp-follow p:not(.pp-label){font-family:var(--serif);font-size:21px;line-height:1.5;margin:0;}

/* Postscript */
.pp-postscript{margin-top:48px;padding-top:32px;border-top:2px solid var(--navy);scroll-margin-top:90px;}
.pp-postscript h2{font-size:26px !important;margin-bottom:6px !important;}
.pp-postscript-date{font-size:12px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:18px !important;}

/* Notes */
.pp-notes{margin-top:52px;padding-top:28px;border-top:1px solid var(--rule);scroll-margin-top:90px;}
.pp-notes h2{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:14px;}
.pp-notes ol{margin:0 0 0 1.4em;padding:0;}
.pp-notes li,.pp-notes p{font-size:15px !important;line-height:1.6 !important;color:var(--muted) !important;margin-bottom:0.5em;}
.pp-notes li::marker{color:var(--gold-dark);font-weight:600;}
.pp-notes a{color:var(--muted);overflow-wrap:anywhere;}
.pp-notes li:target{background:var(--cream);}
.pp-body sup{line-height:0;}
.pp-body sup a.footnote-ref{text-decoration:none;font-size:0.72em;font-weight:700;color:var(--gold-dark);padding:0 1px;}
.footnote-backref{text-decoration:none !important;}

/* Closing panels */
.pp-closing{margin-top:52px;display:grid;gap:18px;}
.pp-closing .pp-panel p,.pp-closing .pp-panel li{font-size:16px;line-height:1.6;}
.pp-closing dl{margin:0;}
.pp-closing dt{font-weight:700;font-size:16px;margin-top:10px;}
.pp-closing dt:first-child{margin-top:0;}
.pp-closing dd{margin:2px 0 0;font-size:16px;line-height:1.6;color:var(--navy);}
.pp-closing ul{list-style:none;margin:0;padding:0;}
.pp-linkedin{font-size:16px;margin:0;}

/* ---------- Phone and narrow screens ---------- */
@media (max-width:960px){
  .pp-hero-inner{grid-template-columns:minmax(0,1fr);gap:32px;}
  .pp-hero-figure{max-width:560px;justify-self:stretch;}
  .pp-layout{grid-template-columns:minmax(0,1fr);grid-template-areas:"brief" "toc" "body";max-width:36em;}
  .pp-toc{position:static;margin-bottom:36px;}
  .pp-toc details{background:var(--cream);border-top:0;border-left:4px solid var(--gold);border-radius:0 6px 6px 0;padding:14px 18px;}
  .pp-toc summary{margin-bottom:0;display:flex;justify-content:space-between;align-items:center;}
  .pp-toc summary::after{content:"+";font-size:20px;font-weight:400;color:var(--gold-dark);letter-spacing:0;}
  .pp-toc details[open] summary{margin-bottom:8px;}
  .pp-toc details[open] summary::after{content:"\2212";}
  .pp-toc li{border-bottom-color:#E4DCCB;}
}
@media (max-width:600px){
  .pp-hero-figure{max-width:none;}
  .pp-hero-frame{aspect-ratio:1/1;}
  .pp-hero h1{font-size:32px;}
  .pp-main{font-size:18px;}
  .pp-panel{padding:20px;}
}