/* Field Guide editorial families. Deliberately separate from the shipped homepage. */
@font-face{font-family:FG Newsreader;src:url('../assets/field-guide/newsreader.woff2') format('woff2');font-weight:200 800;font-style:normal;font-display:swap}
@font-face{font-family:FG Plex;src:url('../assets/field-guide/plex-sans.woff2') format('woff2');font-weight:100 700;font-style:normal;font-display:swap}
:root{
 --paper:#f2ede3;--ink:#24251f;--red:#a73523;--quiet:#626158;--rule:#c9c2b5;
 --bg-primary:var(--paper);--bg-secondary:#e8e1d5;--bg-tertiary:#e8e1d5;--bg-deep:var(--paper);--bg-dark:#e8e1d5;--bg-panel:#e8e1d5;--bg-card:var(--paper);--bg-card-hover:#e8e1d5;--bg-elevated:#e8e1d5;
 --text-primary:var(--ink);--text-secondary:var(--ink);--text-muted:var(--quiet);--heading:var(--ink);--body:var(--ink);--muted:var(--quiet);--white:var(--ink);--comment:var(--quiet);
 --accent:var(--red);--accent-hover:#7b2619;--accent-subtle:#e8e1d5;--accent-dim:#e8e1d5;--border:var(--rule);--border-hover:var(--quiet);--border-dark:var(--rule);
 --green:var(--red);--green-dark:var(--quiet);--green-muted:var(--quiet);--green-bright:var(--red);--green-dim:var(--rule);--green-border:var(--rule);--blue-bright:var(--red);--purple-bright:var(--red);
 --font-sans:'FG Plex',sans-serif;--font-body:'FG Plex',sans-serif;--font-heading:'FG Newsreader',Georgia,serif;--font-mono:ui-monospace,SFMono-Regular,Consolas,monospace;
}
html{scroll-behavior:auto;scroll-padding-top:28px}
body[data-field-guide]{background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:18px;line-height:1.75;overflow-wrap:break-word}
[data-field-guide] *,[data-field-guide] *::before,[data-field-guide] *::after{box-sizing:border-box}
[data-field-guide] .container{width:100%;max-width:1120px;padding:0 48px;margin:0 auto}
[data-field-guide] main.container{padding-top:28px;padding-bottom:80px}
[data-field-guide] .nav{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:2px solid var(--ink);border-bottom:1px solid var(--rule);padding:20px 0;margin:0 0 60px;font-family:var(--font-body)}
[data-field-guide] .nav-logo{font-family:var(--font-heading);font-size:32px;font-weight:500;letter-spacing:-.04em;color:var(--ink);border:0}
[data-field-guide] .nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px}
[data-field-guide] .nav-links a{font-size:14px;line-height:1.5;min-height:44px;display:inline-flex;align-items:center;color:var(--ink)}
[data-field-guide] .fg-protocol-link{order:1}
[data-field-guide] a{color:var(--red);text-decoration-thickness:1px;text-underline-offset:4px}
[data-field-guide] a:hover{text-decoration:underline;color:#7b2619}
[data-field-guide] :focus-visible{outline:3px solid var(--red);outline-offset:5px}
[data-field-guide] .nav a.active{color:var(--red);text-decoration:underline;text-underline-offset:6px}
[data-field-guide] h1,[data-field-guide] h2,[data-field-guide] h3,[data-field-guide] h4{font-family:var(--font-heading);color:var(--ink);font-weight:500;text-transform:none;letter-spacing:-.025em;text-shadow:none;overflow-wrap:anywhere}
[data-field-guide] h1{font-size:clamp(2.65rem,5.5vw,5rem);line-height:1.03;margin:16px 0 28px;max-width:18ch}
[data-field-guide] h2{font-size:clamp(1.8rem,3vw,2.5rem);line-height:1.15;margin:52px 0 22px}
[data-field-guide] h3{font-size:1.55rem;line-height:1.25;margin:32px 0 16px}
[data-field-guide] h4{font-size:1.25rem;line-height:1.3}
[data-field-guide] p{color:var(--ink);margin-bottom:24px}
[data-field-guide] strong{color:var(--ink)}
[data-field-guide] article,[data-field-guide] .article-content{max-width:740px!important;padding:0!important;margin:0 auto!important;font-family:var(--font-body);font-size:18px;line-height:1.8;min-width:0}
[data-field-guide] .article-header{max-width:920px;margin:0 auto 48px;padding:0 0 32px;border-bottom:1px solid var(--rule)}
[data-field-guide] article .article-header{padding-top:0}
[data-field-guide] .article-header p{max-width:740px;font-size:1.15rem!important;line-height:1.7!important;color:var(--quiet)!important}
[data-field-guide] .article-meta,[data-field-guide] .article-date,[data-field-guide] .byline,[data-field-guide] .post-date,[data-field-guide] .hero-label,[data-field-guide] .hero-version{font-family:var(--font-body);font-size:13px;letter-spacing:.04em;color:var(--quiet);line-height:1.6}
[data-field-guide] .article-tags,[data-field-guide] .post-tags{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}
[data-field-guide] .article-tag,[data-field-guide] .post-tag{font-family:var(--font-body);font-size:12px;line-height:1.5;color:var(--quiet);border:1px solid var(--rule);background:transparent;border-radius:0;padding:4px 8px;text-transform:none}
[data-field-guide] .back-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin:0 0 28px;font-size:14px;color:var(--quiet)}
[data-field-guide] hr{border:0;border-top:1px solid var(--rule);margin:36px 0}
[data-field-guide] blockquote{border-left:3px solid var(--red);background:transparent;padding:8px 0 8px 24px;margin:32px 0;color:var(--ink)}
[data-field-guide] blockquote p{font-family:var(--font-heading);font-size:1.5rem;line-height:1.45}
[data-field-guide] ul,[data-field-guide] ol{padding-left:24px}
[data-field-guide] li{color:var(--ink);margin-bottom:10px}
[data-field-guide] code{font-family:var(--font-mono);font-size:.83em;background:#e8e1d5;color:var(--ink);overflow-wrap:anywhere}
[data-field-guide] pre{max-width:100%;overflow-x:auto;white-space:pre;padding:22px;background:#e8e1d5;color:var(--ink);border:1px solid var(--rule);border-radius:0;font-size:14px;line-height:1.65;margin:28px 0;tab-size:4}
[data-field-guide] pre code{white-space:pre;overflow-wrap:normal;background:transparent;font-size:inherit;padding:0}
[data-field-guide] .fg-table-scroll{max-width:100%;overflow-x:auto;margin:28px 0;border-top:2px solid var(--ink);border-bottom:1px solid var(--rule)}
[data-field-guide] table{width:100%;border-collapse:collapse;margin:0!important;font-size:14px;line-height:1.6;background:transparent}
[data-field-guide] td,[data-field-guide] th{padding:12px!important;border-bottom:1px solid var(--rule);color:var(--ink);vertical-align:top}
[data-field-guide] th{font-family:var(--font-body);font-weight:600;background:#e8e1d5}
[data-field-guide] img,[data-field-guide] svg{max-width:100%;height:auto}
[data-field-guide] .page-header{max-width:820px;margin:0 0 52px}
[data-field-guide] .page-header h1{font-size:clamp(4.2rem,10vw,8rem);margin-bottom:24px}
[data-field-guide] .page-header p{max-width:650px;font-size:1.2rem;color:var(--quiet)}
[data-field-guide] .posts-list{list-style:none;padding:0;margin:0}
[data-field-guide] .post-item{display:grid;grid-template-columns:150px minmax(0,1fr);column-gap:40px;padding:38px 0;border-bottom:1px solid var(--rule);margin:0}
[data-field-guide] .post-date{grid-column:1;grid-row:1 / span 3;padding-top:8px}
[data-field-guide] .post-title,[data-field-guide] .post-excerpt,[data-field-guide] .post-item .post-tags{grid-column:2}
[data-field-guide] .post-title{margin:0 0 16px;font-size:clamp(1.8rem,3.2vw,2.5rem);line-height:1.15}
[data-field-guide] .post-title a{color:var(--ink);text-decoration:none}
[data-field-guide] .post-title a:hover{color:var(--red);text-decoration:underline}
[data-field-guide] .post-excerpt{color:var(--quiet);font-size:16px;line-height:1.75;margin-bottom:0}
[data-field-guide] footer{border-top:1px solid var(--rule);margin-top:64px;padding:28px 0;color:var(--quiet);font-size:14px}
.fg-skip{position:absolute;left:24px;top:-100px;background:var(--paper);padding:12px 20px;z-index:100}
.fg-skip:focus{top:12px}
/* Protocol keeps its original section navigation, now alongside global navigation. */
[data-field-guide] .header{padding:0;position:static;background:var(--paper);border-bottom:1px solid var(--rule);backdrop-filter:none}
[data-field-guide] .header-content{flex-wrap:wrap;gap:20px;padding:22px 0}
[data-field-guide] .header-nav{flex-wrap:wrap;gap:12px 24px}
[data-field-guide] .header-nav a{font-size:13px;min-height:44px;display:inline-flex;align-items:center;color:var(--quiet)}
[data-field-guide] .logo{color:var(--ink);font-family:var(--font-heading);font-size:24px}
.fg-global-nav{max-width:1120px;margin:auto;padding:18px 48px;display:flex;flex-wrap:wrap;gap:24px;font-size:14px}
.fg-global-nav a{min-height:44px;display:inline-flex;align-items:center}
[data-field-guide] .hero{padding:32px 0 56px;text-align:left;border-bottom:1px solid var(--rule)}
[data-field-guide] .hero h1{font-size:clamp(3.3rem,8vw,7.5rem)}
[data-field-guide] .hero-subtitle{font-size:1.25rem;max-width:740px;margin-left:0;color:var(--quiet)}
[data-field-guide] .stat-card,[data-field-guide] .layer-card,[data-field-guide] .system-card,[data-field-guide] .faq-card,[data-field-guide] .case-study-box,[data-field-guide] .flywheel-box,[data-field-guide] .problem-section{background:transparent;border:1px solid var(--rule);border-radius:0;box-shadow:none}
[data-field-guide] .stat-number,[data-field-guide] .case-metric-number{font-family:var(--font-heading);color:var(--red);font-weight:500}
[data-field-guide] .step-number,[data-field-guide] .layer-number,[data-field-guide] .system-badge{background:#e8e1d5;color:var(--red);border-radius:0}
[data-field-guide] .btn-primary{background:var(--red);border-color:var(--red);color:var(--paper);border-radius:0}
[data-field-guide] .btn-secondary{background:transparent;color:var(--red);border-color:var(--red);border-radius:0}
[data-field-guide] .cta-section{background:transparent;border-top:2px solid var(--ink);border-radius:0}
[data-field-guide] .toc{background:transparent;border:1px solid var(--rule);border-radius:0;max-width:740px;margin:32px auto;padding:24px}
[data-field-guide] .toc a{color:var(--red)}
@media(max-width:767px){
 [data-field-guide] .container{padding-left:24px;padding-right:24px}
 [data-field-guide] .nav{margin-bottom:40px;align-items:flex-start;gap:16px}
 [data-field-guide] .nav-links{gap:4px 16px;justify-content:flex-end;max-width:270px}
 [data-field-guide] .post-item{grid-template-columns:1fr;padding:28px 0;gap:8px}
 [data-field-guide] .post-date,[data-field-guide] .post-title,[data-field-guide] .post-excerpt,[data-field-guide] .post-item .post-tags{grid-column:1;grid-row:auto}
 [data-field-guide] article,[data-field-guide] .article-content{font-size:17px}
 [data-field-guide] .article-header{margin-bottom:32px}
 [data-field-guide] .stats-grid,[data-field-guide] .architecture-grid,[data-field-guide] .systems-grid,[data-field-guide] .faq-grid,[data-field-guide] .case-study-metrics{grid-template-columns:1fr}
 [data-field-guide] .header-content{display:block}
 [data-field-guide] .header-nav{display:flex;margin-top:12px}
 .fg-global-nav{padding:12px 24px;gap:20px}
 [data-field-guide] pre{padding:16px;font-size:12px}
}
@media(max-width:359px){[data-field-guide] .container{padding-left:18px;padding-right:18px}[data-field-guide] .nav{display:block}[data-field-guide] .nav-links{justify-content:flex-start;max-width:none}[data-field-guide] h1{font-size:2.5rem}.fg-global-nav{padding-left:18px;padding-right:18px;gap:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}[data-field-guide] *,[data-field-guide] *::before,[data-field-guide] *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{[data-field-guide] .nav,.fg-global-nav,.fg-skip{display:none}[data-field-guide] .container{max-width:none;padding:0}[data-field-guide]{background:white;color:black}[data-field-guide] .fg-table-scroll,[data-field-guide] pre{overflow:visible;white-space:pre-wrap}}

/* Keep the legacy skip control fully offscreen until keyboard focus. */
[data-field-guide] .skip-to-content{top:-120px}
[data-field-guide] .skip-to-content:focus{top:12px}
/* Legacy inline muted note and legacy skip links need explicit warm-paper contrast. */
[data-field-guide] p[style*="color: #64748b"]{color:var(--quiet)!important}
[data-field-guide] .skip-to-content,[data-field-guide] .skip-to-content:hover,[data-field-guide] .skip-to-content:focus{color:var(--paper);background:var(--red)}
/* Prose links are identifiable without relying on color or hover alone. */
[data-field-guide] article a,[data-field-guide] .article-header p a,[data-field-guide] main section p:not(.hero-version) a{text-decoration:underline}

/* Explicit states override the generic anchor hover without losing icon contrast. */
[data-field-guide] .btn-primary:hover,[data-field-guide] .btn-primary:focus-visible{background:#7b2619;border-color:#7b2619;color:var(--paper)}