.arf{--arf-measure: 68ch;--arf-l1: var(--color-accent-inverse);--arf-l2: var(--color-warning);--arf-l3: var(--color-gray-400);--arf-l4: var(--color-secondary)}.arf-hero{padding:var(--space-20) 0 var(--space-12);background:linear-gradient(180deg,var(--color-gray-50) 0%,var(--color-white) 100%);border-bottom:1px solid var(--color-border)}.arf-eyebrow{font-size:var(--text-sm);font-weight:var(--weight-bold);letter-spacing:.08em;text-transform:uppercase;color:var(--color-secondary);margin-bottom:var(--space-3)}.arf-hero h1{margin-bottom:var(--space-6)}.arf-lede{max-width:var(--arf-measure);font-size:var(--text-xl);line-height:var(--leading-relaxed);color:var(--color-text);margin-bottom:var(--space-4)}.arf-lede-secondary{max-width:var(--arf-measure);color:var(--color-text-muted);margin-bottom:var(--space-6)}.arf-download{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-4);margin-bottom:0}.arf-download a{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2-5) var(--space-5);border:1px solid var(--color-secondary);border-radius:var(--radius-lg);font-size:var(--text-base);font-weight:var(--weight-bold);color:var(--color-secondary);background:var(--color-white);transition:background var(--transition-base),color var(--transition-base)}.arf-download a:hover{background:var(--color-secondary);color:var(--color-white)}.arf-download-note{font-size:var(--text-sm);color:var(--color-text-muted)}.arf-usage{padding:var(--space-16) 0 var(--space-8)}.arf-usage-inner{max-width:var(--arf-measure)}.arf-usage h2{margin-bottom:var(--space-6)}.arf-steps{list-style:none;counter-reset:arf-step;padding:0;margin:0}.arf-steps li{counter-increment:arf-step;position:relative;padding-left:var(--space-12);margin-bottom:var(--space-6);color:var(--color-text-muted);font-size:var(--text-lg);line-height:var(--leading-relaxed)}.arf-steps li:before{content:counter(arf-step);position:absolute;left:0;top:0;width:var(--space-8);height:var(--space-8);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background:var(--color-primary);color:var(--color-white);font-size:var(--text-sm);font-weight:var(--weight-bold);font-family:var(--font-mono)}.arf-steps strong{color:var(--color-text-heading)}.arf-matrix-section{padding:var(--space-12) 0 var(--space-16)}.arf-section-lede{max-width:var(--arf-measure);color:var(--color-text-muted);margin-bottom:var(--space-8)}.arf-scroll-hint{font-size:var(--text-sm);color:var(--color-text-muted);font-style:italic;margin-bottom:var(--space-3)}.arf-matrix-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-white);box-shadow:var(--shadow-sm)}.arf-matrix{border-collapse:collapse;width:100%;min-width:900px;table-layout:fixed}.arf-matrix-caption{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.arf-matrix-corner{width:15rem;text-align:left;padding:var(--space-5);background:var(--color-gray-50);font-size:var(--text-xs);font-weight:var(--weight-bold);letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-muted);border-bottom:2px solid var(--color-border)}.arf-matrix-head{text-align:left;padding:var(--space-5);vertical-align:top;background:var(--color-gray-50);border-bottom:2px solid var(--color-border);border-left:1px solid var(--color-border)}.arf-stage-name{display:block;font-size:var(--text-base);font-weight:var(--weight-bold);color:var(--color-text-heading);margin-bottom:var(--space-1)}.arf-stage-hint{display:block;font-size:var(--text-xs);font-weight:var(--weight-normal);line-height:var(--leading-snug);color:var(--color-text-muted)}.arf-matrix-head.arf-level-1{border-top:3px solid var(--arf-l1)}.arf-matrix-head.arf-level-2{border-top:3px solid var(--arf-l2)}.arf-matrix-head.arf-level-3{border-top:3px solid var(--arf-l3)}.arf-matrix-head.arf-level-4{border-top:3px solid var(--arf-l4)}.arf-matrix-row-head{text-align:left;vertical-align:top;padding:var(--space-5);background:var(--color-gray-50);border-bottom:1px solid var(--color-border)}.arf-matrix-row-num{display:block;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-muted);margin-bottom:var(--space-1)}.arf-matrix-row-head a{font-size:var(--text-base);font-weight:var(--weight-bold);color:var(--color-text-heading);line-height:var(--leading-snug)}.arf-matrix-row-head a:hover{color:var(--color-secondary)}.arf-matrix-cell{padding:var(--space-5);vertical-align:top;font-size:var(--text-sm);line-height:var(--leading-snug);color:var(--color-text);border-bottom:1px solid var(--color-border);border-left:1px solid var(--color-border)}.arf-matrix-cell.arf-level-1{background:color-mix(in srgb,var(--arf-l1) 9%,transparent)}.arf-matrix-cell.arf-level-2{background:color-mix(in srgb,var(--arf-l2) 9%,transparent)}.arf-matrix-cell.arf-level-3{background:color-mix(in srgb,var(--arf-l3) 9%,transparent)}.arf-matrix-cell.arf-level-4{background:color-mix(in srgb,var(--arf-l4) 11%,transparent)}.arf-matrix tbody tr:last-child th,.arf-matrix tbody tr:last-child td{border-bottom:none}.arf-dimensions{padding:var(--space-8) 0 var(--space-16);background:var(--color-gray-50);border-top:1px solid var(--color-border)}.arf-dimensions>.container>h2{margin-bottom:var(--space-10)}.arf-dimension{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-8);margin-bottom:var(--space-8);scroll-margin-top:var(--space-24)}.arf-dimension:last-child{margin-bottom:0}.arf-dimension-head{display:flex;gap:var(--space-5);align-items:flex-start;padding-bottom:var(--space-6);margin-bottom:var(--space-6);border-bottom:1px solid var(--color-border)}.arf-dimension-num{flex-shrink:0;font-family:var(--font-mono);font-size:var(--text-xl);font-weight:var(--weight-bold);color:var(--color-secondary);line-height:1.2}.arf-dimension-head h3{margin-bottom:var(--space-2)}.arf-dimension-question{margin-bottom:0;color:var(--color-text-muted);font-size:var(--text-base);font-style:italic}.arf-dimension-body{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-6) var(--space-8)}.arf-block h4{font-size:var(--text-sm);font-weight:var(--weight-bold);letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:var(--space-2)}.arf-block p{font-size:var(--text-base);line-height:var(--leading-relaxed);color:var(--color-text);margin-bottom:0}.arf-block-gate,.arf-block-action{padding-left:var(--space-5);border-left:3px solid var(--color-border)}.arf-block-gate{border-left-color:var(--arf-l1)}.arf-block-action{border-left-color:var(--arf-l4)}.arf-sequencing{padding:var(--space-16) 0}.arf-sequencing h2{margin-bottom:var(--space-4)}.arf-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-6);margin-bottom:var(--space-10)}.arf-group{padding:var(--space-6);background:var(--color-white);border:1px solid var(--color-border);border-top:3px solid var(--color-secondary);border-radius:var(--radius-lg)}.arf-group-tag{display:inline-block;font-size:var(--text-xs);font-weight:var(--weight-bold);letter-spacing:.08em;text-transform:uppercase;color:var(--color-secondary);margin-bottom:var(--space-3)}.arf-group h3{font-size:var(--text-xl);margin-bottom:var(--space-3)}.arf-group p{font-size:var(--text-base);line-height:var(--leading-relaxed);margin-bottom:0}.arf-callout{display:grid;grid-template-columns:1fr 2fr;gap:var(--space-4) var(--space-10);align-items:start;padding:var(--space-8);background:var(--color-primary);border-radius:var(--radius-xl)}.arf-callout h3{color:var(--color-white);font-size:var(--text-xl);margin-bottom:0}.arf-callout p{color:var(--color-gray-300);margin-bottom:0}.arf-callout em{color:var(--color-white);font-style:normal;font-weight:var(--weight-bold)}.arf-cta{padding:var(--space-16) 0 var(--space-20);background:var(--color-gray-50);border-top:1px solid var(--color-border)}.arf-cta-inner{max-width:var(--arf-measure)}.arf-cta h2{margin-bottom:var(--space-4)}.arf-cta-buttons{display:flex;flex-wrap:wrap;gap:var(--space-4);margin:var(--space-8) 0 var(--space-6)}.arf-cta-fineprint{font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:0}@media(min-width:1000px){.arf-scroll-hint{display:none}}@media(max-width:900px){.arf-groups,.arf-dimension-body,.arf-callout{grid-template-columns:1fr}.arf-matrix-corner,.arf-matrix-row-head{position:sticky;left:0;z-index:1;width:9.5rem;border-right:1px solid var(--color-border)}.arf-matrix-row-head a{font-size:var(--text-sm)}}@media(max-width:640px){.arf-hero{padding:var(--space-12) 0 var(--space-8)}.arf-lede{font-size:var(--text-lg)}.arf-dimension{padding:var(--space-6)}.arf-dimension-head{gap:var(--space-4)}.arf-cta-buttons .btn{width:100%}}@media print{header,footer,.site-banner,.img-lightbox,.arf-cta,.arf-download,.arf-scroll-hint{display:none!important}.arf-hero,.arf-dimensions,.arf-cta{background:none!important;border:none}.arf-hero,.arf-usage,.arf-matrix-section,.arf-dimensions,.arf-sequencing{padding:var(--space-4) 0}.arf-matrix-scroll{overflow:visible;box-shadow:none}.arf-matrix{min-width:0;font-size:9pt}.arf-matrix-cell,.arf-matrix-head,.arf-matrix-row-head,.arf-matrix-corner{padding:var(--space-2)}.arf-matrix-cell{-webkit-print-color-adjust:exact;print-color-adjust:exact}.arf-dimension-body{grid-template-columns:repeat(2,1fr)}.arf-groups{grid-template-columns:repeat(3,1fr)}.arf-callout{grid-template-columns:1fr 2fr}.arf-dimension{padding:var(--space-5);margin-bottom:var(--space-5)}.arf-dimensions>.container>h2,.arf-sequencing h2{break-after:avoid;page-break-after:avoid}.arf-block p,.arf-group p{font-size:var(--text-sm)}.arf-dimension,.arf-group,.arf-callout{break-inside:avoid;page-break-inside:avoid;box-shadow:none}.arf-matrix-section{break-inside:avoid;page-break-inside:avoid}.arf-callout{background:none!important;border:2px solid var(--color-gray-400)}.arf-callout h3,.arf-callout p{color:var(--color-black)!important}}