/* Goldfib article + blog index styles. Tokens match index.html. */
:root{--bg:#132338;--bg-elevated:#1a2c45;--bg-card:#203450;--surface:#253c5b;--border:rgba(255,255,255,.06);--border-hover:rgba(255,255,255,.14);--text-primary:#e8e4dc;--text-secondary:#a3a9b5;--text-muted:#6c7586;--accent:#b8965a;--accent-dim:#96783f;--accent-glow:rgba(184,150,90,.08);--green:#34d399;--radius:10px;--t:.3s cubic-bezier(.4,0,.2,1)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:'Outfit',system-ui,sans-serif;background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;line-height:1.2}
.container{max-width:1160px;margin:0 auto;padding:0 24px}.container.narrow{max-width:860px}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.muted{color:var(--text-secondary)}
.progress{position:fixed;top:0;left:0;height:2px;background:var(--accent);z-index:200;width:0}
/* nav */
.nav{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1160px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:700}.brand img{width:30px;height:30px;border-radius:7px}.brand span{color:var(--accent)}
.nav-links{display:flex;gap:28px;list-style:none}.nav-links a{font-size:.84rem;color:var(--text-secondary)}.nav-links a:hover{color:var(--text-primary)}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:600;padding:11px 20px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:#0c1220;transition:all var(--t);text-decoration:none!important}
.btn:hover{background:var(--accent-dim);border-color:var(--accent-dim)}
.prose a.btn,.cta a.btn{color:#0c1220;text-decoration:none}.prose a.btn.ghost{color:var(--text-primary)}
.btn.ghost{background:transparent;color:var(--text-primary);border-color:var(--border-hover)}.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.small{padding:8px 14px;font-size:.75rem;margin-top:22px}.nav .btn{padding:8px 14px;font-size:.74rem}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
/* header */
.art-head{padding:64px 0 40px;border-bottom:1px solid var(--border);background:radial-gradient(ellipse at 85% 0%,rgba(184,150,90,.09),transparent 60%)}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;font-family:'JetBrains Mono';font-size:.7rem;color:var(--text-muted);margin-bottom:22px}.crumbs a:hover{color:var(--accent)}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;font-family:'JetBrains Mono';font-size:.72rem;color:var(--text-secondary);margin-bottom:20px}
.tag{border:1px solid rgba(184,150,90,.45);color:var(--accent);padding:3px 10px;border-radius:999px}.tag.ghost{border-color:var(--border-hover);color:var(--text-secondary)}
.art-head h1{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:700;margin-bottom:18px}
.art-head .dek{font-size:1.15rem;color:var(--text-secondary);font-weight:300;max-width:760px;margin-bottom:28px}
.answer{background:var(--bg-card);border:1px solid var(--border-hover);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:20px 24px}
.answer p{margin-top:8px;font-size:1.04rem}
/* layout */
.layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:64px;padding-top:48px}
.toc{position:relative}.toc-inner{position:sticky;top:90px;max-height:calc(100vh - 110px);overflow:auto}
.toc ol{list-style:none;margin-top:14px}.toc li a{display:flex;gap:10px;font-size:.83rem;color:var(--text-secondary);padding:6px 0;line-height:1.4;border-left:2px solid transparent;padding-left:10px;margin-left:-12px}
.toc li a span{font-family:'JetBrains Mono';font-size:.68rem;color:var(--text-muted);padding-top:2px}
.toc li a:hover,.toc li a.on{color:var(--text-primary);border-left-color:var(--accent)}
/* prose */
.prose{max-width:760px;min-width:0;font-size:1.06rem}
.prose>*+*{margin-top:1.15em}
.prose h2{font-size:1.75rem;margin-top:2.4em;padding-top:.4em}
.prose h3{font-size:1.25rem;margin-top:1.8em;color:var(--text-primary)}
.prose p,.prose li{color:#d3d0c9;font-weight:300}
.prose strong{color:var(--text-primary);font-weight:600}
.prose a{color:var(--accent);text-decoration:underline;text-decoration-color:rgba(184,150,90,.4);text-underline-offset:3px}
.prose ul,.prose ol{padding-left:1.3em}.prose li+li{margin-top:.45em}.prose li::marker{color:var(--accent)}
.prose blockquote{border-left:3px solid var(--accent);padding:6px 0 6px 22px;font-family:'Space Grotesk';font-size:1.3rem;line-height:1.45;color:var(--text-primary)}
.prose blockquote p{color:var(--text-primary);font-weight:400}
.prose code{font-family:'JetBrains Mono';font-size:.86em;background:var(--surface);padding:2px 6px;border-radius:4px}
.prose hr{border:0;border-top:1px solid var(--border);margin:2.4em 0}
.takeaways{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px}
.takeaways ul{margin-top:10px}.takeaways li{font-size:.98rem}
.callout{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px}
.callout>*+*{margin-top:.7em}.callout-title{font-family:'JetBrains Mono';font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.callout.warn{border-color:rgba(248,113,113,.3)}.callout.warn .callout-title{color:#f87171}
.callout.example{border-style:dashed;border-color:rgba(184,150,90,.35)}
.callout p,.callout li{font-size:.98rem}
/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:520px}
th{font-family:'JetBrains Mono';font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);text-align:left;background:var(--bg-elevated);padding:12px 14px}
td{padding:11px 14px;border-top:1px solid var(--border);color:#d3d0c9;vertical-align:top;font-weight:300}
tr:hover td{background:rgba(255,255,255,.015)}
/* viz */
.viz{background:var(--bg-elevated);border:1px solid var(--border);border-radius:14px;padding:22px 22px 16px;margin:2em 0}
.viz-title{font-family:'Space Grotesk';font-weight:600;font-size:1.05rem;margin-bottom:14px}
.viz-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.viz svg{width:100%;height:auto;display:block}
.viz figcaption{font-size:.84rem;color:var(--text-secondary);margin-top:12px;line-height:1.55}.viz-src{color:var(--text-muted);font-style:italic}
.viz a:hover rect{stroke:var(--accent)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:2em 0}
.stat{padding:18px;border-left:2px solid var(--accent);background:var(--accent-glow);border-radius:0 var(--radius) var(--radius) 0}
.stat b{display:block;font-family:'Space Grotesk';font-size:1.8rem;font-weight:600;line-height:1.1}.stat span{font-size:.82rem;color:var(--text-secondary);display:block;margin-top:6px;line-height:1.4}
/* widgets */
.widget-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:28px}
.w-inputs label{display:block;font-size:.82rem;color:var(--text-secondary);margin-bottom:14px}
.w-inputs label b{float:right;font-family:'JetBrains Mono';color:var(--text-primary);font-weight:500}
.w-inputs input[type=range]{width:100%;accent-color:var(--accent);margin-top:6px}
.w-out .big{font-family:'Space Grotesk';font-size:2.2rem;font-weight:700;color:var(--accent);line-height:1.1}
.w-out .row{display:flex;justify-content:space-between;padding:8px 0;border-top:1px solid var(--border);font-size:.9rem}
.w-out .row span:last-child{font-family:'JetBrains Mono'}.w-out svg{margin-top:14px}
/* cta */
.cta{background:linear-gradient(135deg,var(--bg-card),var(--surface));border:1px solid rgba(184,150,90,.3);border-radius:16px;padding:30px 30px 26px;margin:2.6em 0}
.cta h3{font-size:1.45rem;margin:10px 0 8px}.cta p{color:var(--text-secondary);font-weight:300;margin-bottom:20px;font-size:1rem}
.cta-note{font-size:.78rem;color:var(--text-muted)}
.cta-end{text-align:left}
/* faq */
.faq details{border-top:1px solid var(--border);padding:16px 0}.faq details:last-child{border-bottom:1px solid var(--border)}
.faq summary{cursor:pointer;font-family:'Space Grotesk';font-weight:600;font-size:1.06rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:'+';color:var(--accent);font-family:'JetBrains Mono'}.faq details[open] summary::after{content:'−'}
.faq details p{margin-top:10px;font-size:.98rem}
/* related + index */
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:18px}
.rel{display:flex;flex-direction:column;gap:8px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all var(--t);text-decoration:none!important}
.rel:hover{border-color:rgba(184,150,90,.45);transform:translateY(-2px)}
.rel b{font-family:'Space Grotesk';font-size:1.04rem;line-height:1.3;color:var(--text-primary)}.rel .muted{font-size:.85rem;line-height:1.5}
.rel.pillar{border-color:rgba(184,150,90,.35);background:linear-gradient(160deg,var(--bg-card),var(--surface))}
.related{margin-top:3em}.related h2{font-size:1.4rem}
.map{padding-top:48px}.map h2,.cluster h2{font-size:1.7rem;margin-bottom:6px}
.cluster{padding-top:56px}.cluster>.muted{max-width:640px}
/* footer */
footer{padding:50px 0 40px;border-top:1px solid var(--border);margin-top:100px}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;font-size:.86rem;color:var(--text-secondary)}
.foot nav{display:flex;gap:22px;flex-wrap:wrap}.foot a:hover{color:var(--accent)}
.disclaimer{font-size:.74rem;color:var(--text-muted);line-height:1.7;border-top:1px solid var(--border);padding-top:22px}
@media(max-width:980px){.layout{grid-template-columns:1fr;gap:0}.toc{display:none}.widget-body{grid-template-columns:1fr}}
@media(max-width:700px){.nav-links{display:none}.container,.nav-inner{padding:0 16px}.art-head{padding:40px 0 28px}.prose{font-size:1rem}.prose h2{font-size:1.45rem}.viz{padding:16px 14px 12px;margin-left:-4px;margin-right:-4px}.cta{padding:24px 20px}}