.afb-guide-page{--afb-space:96px}.afb-guide-page .hb-hero-inner{min-height:0;padding-block:56px 88px}.afb-guide-page .hb-hero-mascot{width:200px}.afb-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;color:var(--band-ink-soft);font-size:14px;font-weight:700}.home-band-page .afb-breadcrumb a{color:#fff;text-underline-offset:3px}.afb-guide-page .hb-hero-copy .afb-updated{margin:20px 0 0;font-size:14px}.afb-section{padding-block:var(--afb-space) 0}.afb-section:last-of-type{padding-bottom:var(--afb-space)}.afb-reading{max-width:880px}.afb-guide-page .afb-section h2{margin-bottom:16px;font-size:var(--fs-heading)}.afb-guide-page h3{margin:0;font-size:21px;font-weight:800;letter-spacing:-.01em;line-height:1.2}.afb-guide-page .afb-intro,.afb-guide-page .afb-note{max-width:640px;color:var(--ink-soft);font-size:17px;line-height:1.6}.afb-guide-page .afb-note{margin-top:20px;font-size:16px}.afb-guide-page .afb-intro+.afb-intro{margin-top:16px}.home-band-page .afb-intro a,.home-band-page .afb-note a,.home-band-page .afb-links a,.home-band-page .afb-sources a{color:var(--primary-dark);font-weight:700;text-underline-offset:3px}.home-band-page .afb-source{color:var(--ink-soft);font-size:14px;font-weight:700;white-space:nowrap;text-underline-offset:3px}.home-band-page .afb-source:hover{color:var(--primary-dark)}.afb-facts,.afb-words{margin:32px 0 0}.afb-facts>div,.afb-words>div{display:grid;grid-template-columns:180px minmax(0,1fr);gap:24px;padding:16px 0;border-bottom:1px solid var(--line)}.afb-facts>div:first-child,.afb-words>div:first-child{border-top:1px solid var(--line)}.afb-facts dt,.afb-words dt{font-weight:800}.afb-facts dd,.afb-words dd{margin:0;color:var(--ink-soft);line-height:1.6}.afb-panel{margin:32px 0 0;padding:28px;border-radius:22px;background:var(--surface-accent)}.afb-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;list-style:none}.afb-results li{display:grid;gap:6px;align-content:start}.afb-results strong{color:var(--primary-dark);font-size:48px;font-weight:800;letter-spacing:-.02em;line-height:1}.afb-results span{color:var(--ink-soft);line-height:1.5}.afb-step{margin-top:48px}.afb-step h3{display:flex;align-items:center;gap:12px}.afb-step-number{display:inline-grid;flex:none;width:34px;height:34px;place-items:center;border-radius:50%;color:#fff;background:var(--primary);font-size:16px}.afb-guide-page .afb-step-summary{margin:8px 0 0 46px;color:var(--ink-soft);font-size:15px}.afb-plan{width:100%;margin-top:16px;border-collapse:collapse;font-size:16px}.afb-plan th,.afb-plan td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.afb-plan thead th{padding-block:10px;color:var(--ink-soft);font-size:13px;font-weight:700}.afb-plan tbody th{width:34%;font-weight:700}.afb-plan .afb-points{width:11%;text-align:right;white-space:nowrap}.afb-plan td.afb-points{color:var(--primary-dark);font-weight:800;font-variant-numeric:tabular-nums}.afb-plan td:last-child{padding-left:24px}.afb-topics{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}.afb-topics li{padding:4px 12px;border-radius:999px;background:var(--surface-accent);font-size:14px;font-weight:700}.afb-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px;margin-top:32px}.home-band-page .afb-actions .hb-text-link{margin-top:0}.afb-links,.afb-sources{display:grid;gap:10px;margin:24px 0 0;padding-left:20px;line-height:1.5}.afb-sources span{color:var(--ink-soft)}.afb-guide-page .afb-subheading{margin-top:48px;margin-bottom:8px}.afb-words dt{color:var(--primary-dark)}.afb-words>div{grid-template-columns:140px minmax(0,1fr)}.afb-table{width:100%;margin-top:24px;border-collapse:collapse;font-size:15px;line-height:1.5}.afb-table th,.afb-table td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.afb-table thead th{padding-block:10px;color:var(--ink-soft);font-size:13px;font-weight:700}.afb-table tbody th{width:24%;font-weight:400}.afb-table tbody th strong{display:block;font-weight:800}.afb-table td{color:var(--ink-soft)}.home-band-page .afb-table a,.home-band-page .afb-errors a,.home-band-page .afb-step-summary a,.home-band-page .afb-answer a{color:var(--primary-dark);font-weight:700;text-underline-offset:3px}.afb-error-links{display:block;margin-top:6px;font-size:15px}.afb-guide-page .afb-answer p{max-width:640px;margin:0;font-size:18px;line-height:1.6}.tri-panel{display:grid;justify-items:center}.tri-figure{display:grid;gap:24px;justify-items:center;width:100%;margin:0}.tri-figure svg{width:min(100%,320px);height:auto}.tri-shape{fill:#fff;stroke:var(--primary-dark);stroke-width:4;stroke-linejoin:round}.tri-line{stroke:var(--primary-dark);stroke-width:3}.tri-times-bg{fill:#fff}.tri-times,.tri-letter{text-anchor:middle;dominant-baseline:middle;font-weight:800}.tri-times{fill:var(--primary-dark);font-size:24px}.tri-letter{fill:var(--ink);font-size:44px;transition:fill .2s ease}.tri-cover{fill:var(--primary);opacity:0;transition:opacity .2s ease}.tri-figure[data-covered="D"] [data-letter="D"] .tri-cover,.tri-figure[data-covered="S"] [data-letter="S"] .tri-cover,.tri-figure[data-covered="M"] [data-letter="M"] .tri-cover{opacity:1}.tri-figure[data-covered="D"] [data-letter="D"] .tri-letter,.tri-figure[data-covered="S"] [data-letter="S"] .tri-letter,.tri-figure[data-covered="M"] [data-letter="M"] .tri-letter{fill:#fff}.tri-controls{display:grid;gap:14px;justify-items:center;text-align:center}.tri-controls[hidden]{display:none}.tri-question{font-weight:800}.tri-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.tri-choice{min-height:44px;padding:8px 20px;border:2px solid var(--primary-dark);border-radius:999px;color:var(--primary-dark);background:#fff;font:inherit;font-weight:800;cursor:pointer}.tri-choice:hover{background:var(--surface-accent)}.tri-choice:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.tri-choice[aria-pressed="true"]{color:#fff;background:var(--primary-dark)}.tri-output{display:block;min-height:3.2em;max-width:420px;line-height:1.6}.tri-output [hidden]{display:none}.tri-output .tri-formula{display:flex;justify-content:center;margin-bottom:4px;font-size:24px}.tri-formula{display:inline-flex;align-items:center;gap:.35em;color:var(--ink);font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap}.tri-formula b{color:var(--primary-dark)}.tri-fraction{display:inline-grid;justify-items:center;line-height:1.15}.tri-fraction>span:first-child{padding:0 .3em;border-bottom:2px solid currentColor}.tri-rule{color:var(--ink-soft)}.tri-formulas>div{align-items:center}.tri-formulas dd{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px}.tri-formulas .tri-formula{min-width:6.5em;font-size:20px}.afb-guide-page .tri-problem{color:var(--ink);font-size:17px}.tri-solution{margin:12px 0 0 46px}.tri-solution summary{width:fit-content;color:var(--primary-dark);font-weight:700;cursor:pointer}.tri-solution ol{display:grid;gap:6px;margin:12px 0 0;padding-left:20px;color:var(--ink-soft);line-height:1.5}.tri-answer{margin:10px 0 0}.tri-answer strong{color:var(--primary-dark)}@media(prefers-reduced-motion:reduce){.tri-cover,.tri-letter{transition:none}}.afb-guide-page .article-topic-demo{margin-top:0}.afb-guide-page #article-demo{scroll-margin-top:24px}.afb-guide-page .hb-faq-inner{padding-bottom:0}@media(max-width:768px){.afb-guide-page{--afb-space:64px}.afb-guide-page .hb-hero-inner{padding-block:32px 64px}.afb-guide-page .hb-hero-mascot{width:112px}.afb-breadcrumb{justify-content:center}.afb-facts>div,.afb-words>div{grid-template-columns:minmax(0,1fr);gap:4px}.afb-results{grid-template-columns:minmax(0,1fr);gap:24px}.afb-panel{padding:22px}.afb-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.afb-table,.afb-table tbody,.afb-table tr,.afb-table th,.afb-table td{display:block;width:auto}.afb-table tr{padding:14px 0;border-bottom:1px solid var(--line)}.afb-table tbody tr:first-child{border-top:1px solid var(--line)}.afb-table th,.afb-table td{padding:0;border:0}.afb-table tbody th{width:auto;margin-bottom:6px}.afb-table td+td{margin-top:4px}.afb-table td::before{content:attr(data-label) ": ";color:var(--ink);font-weight:700}.afb-guide-page .afb-answer p{font-size:17px}.afb-guide-page .afb-step-summary,.tri-solution{margin-left:0}.afb-plan thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.afb-plan,.afb-plan tbody,.afb-plan tr,.afb-plan th,.afb-plan td{display:block;width:auto}.afb-plan tr{display:flex;flex-wrap:wrap;gap:4px 16px;padding:14px 0;border-bottom:1px solid var(--line)}.afb-plan tbody tr:first-child{border-top:1px solid var(--line)}.afb-plan th,.afb-plan td{padding:0;border:0}.afb-plan tbody th{flex-basis:100%;width:auto}.afb-plan .afb-points{width:auto;text-align:left;font-size:14px}.afb-plan td.afb-points::before{content:attr(data-label) ": ";color:var(--ink-soft);font-weight:700}.afb-plan td:last-child{flex-basis:100%;padding:6px 0 0}.afb-actions{flex-direction:column;align-items:stretch;text-align:center}.afb-actions .hb-button{width:100%;max-width:360px;margin-inline:auto}}