:root{--if-canvas: #f2f4f6;--if-canvas-deep: #e6eaee;--if-surface: #ffffff;--if-surface-2: #eef1f4;--if-ink: #14181d;--if-ink-muted: #4d5762;--if-ink-subtle: #7b8794;--if-rule: #d5dbe1;--if-rule-strong: #aeb8c2;--if-action: #1c3a63;--if-action-deep: #12274a;--if-action-soft: #e3eaf3;--if-action-ink: #ffffff;--if-info: #4a2f6b;--if-info-soft: #ebe6f3;--if-good: #1f5a41;--if-good-soft: #e3eee9;--if-warn: #8a4a12;--if-warn-soft: #f7ead9;--if-radius-card: 3px;--if-radius-btn: 2px;--if-radius-input: 2px;--if-content-w: 1120px;--if-measure-w: 72ch;--if-sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--if-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--if-canvas);color:var(--if-ink);font-family:var(--if-sans);font-size:16.5px;line-height:1.62;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.015em}h1{font-size:clamp(1.9rem,1.2rem + 2.2vw,2.85rem)}h2{font-size:clamp(1.4rem,1.05rem + 1.1vw,1.85rem)}h3{font-size:1.15rem}p{margin:0 0 1em}a{color:var(--if-action-deep);text-underline-offset:2px}a:hover{color:var(--if-action)}.if-num,.if-figure,input[type=number],output,table td,table th{font-family:var(--if-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}.if-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.if-wrap{max-width:var(--if-content-w);margin:0 auto;padding:0 24px}.if-measure{max-width:var(--if-measure-w)}.if-masthead{border-bottom:2px solid var(--if-ink);background:var(--if-surface)}.if-masthead-inner{display:flex;flex-wrap:wrap;gap:16px;align-items:baseline;justify-content:space-between;padding-top:18px;padding-bottom:16px}.if-wordmark{font-size:1.3rem;font-weight:800;letter-spacing:-.02em;color:var(--if-ink);text-decoration:none}.if-wordmark:hover{color:var(--if-action)}.if-tagline{font-size:.85rem;color:var(--if-ink-muted)}.if-nav{display:flex;flex-wrap:wrap;gap:18px}.if-nav a{color:var(--if-ink-muted);text-decoration:none;font-size:.92rem;border-bottom:2px solid transparent;padding-bottom:2px}.if-nav a:hover,.if-nav a[aria-current=page]{color:var(--if-action);border-bottom-color:var(--if-action)}.if-main{padding:40px 0 64px}.if-footer{border-top:2px solid var(--if-ink);background:var(--if-surface);padding:32px 0;font-size:.9rem;color:var(--if-ink-muted);margin-top:40px}.if-footer a{color:var(--if-ink-muted)}.if-footer-cols{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between}.if-footer-legal{margin-top:20px;padding-top:16px;border-top:1px solid var(--if-rule);font-size:.82rem;color:var(--if-ink-subtle);max-width:var(--if-measure-w)}.if-hero{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:40px;align-items:start;padding-bottom:8px}@media(max-width:900px){.if-hero{grid-template-columns:1fr;gap:24px}}.if-hero-lede h1{margin-bottom:12px}.if-hero-lede .if-lede{font-size:1.08rem;color:var(--if-ink-muted);max-width:46ch}.if-verdict-hint{border-left:3px solid var(--if-action);padding:10px 0 10px 14px;margin:20px 0;color:var(--if-ink-muted);font-size:.95rem}.if-calc{border:2px solid var(--if-ink);background:var(--if-surface);border-radius:var(--if-radius-card)}.if-calc-head{padding:14px 18px;border-bottom:1px dashed var(--if-rule-strong);display:flex;justify-content:space-between;align-items:baseline;gap:12px}.if-calc-head h2{margin:0;font-size:1.05rem;letter-spacing:0}.if-calc-head .if-calc-tag{font-size:.75rem;color:var(--if-ink-subtle);text-transform:uppercase;letter-spacing:.08em}.if-calc-body{padding:18px}.if-fieldset{border:0;margin:0 0 22px;padding:0}.if-fieldset>legend{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--if-ink-subtle);padding:0 0 8px;border-bottom:1px solid var(--if-rule);width:100%}.if-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px;margin-top:14px}@media(max-width:520px){.if-grid{grid-template-columns:1fr}}.if-field{display:flex;flex-direction:column;gap:5px}.if-field-wide{grid-column:1 / -1}.if-field label{font-size:.88rem;color:var(--if-ink-muted)}.if-field .if-sub{font-size:.78rem;color:var(--if-ink-subtle)}.if-field input[type=number],.if-field select{font-family:var(--if-mono);font-size:1rem;color:var(--if-ink);background:var(--if-canvas);border:1px solid var(--if-rule-strong);border-radius:var(--if-radius-input);padding:9px 10px;width:100%}.if-field input[type=number]:focus,.if-field select:focus{outline:2px solid var(--if-action);outline-offset:1px;background:var(--if-surface)}.if-basis{display:flex;gap:0;margin-top:4px;flex-wrap:wrap}.if-basis label{display:flex;align-items:center;gap:6px;border:1px solid var(--if-rule-strong);background:var(--if-canvas);padding:8px 12px;font-size:.88rem;cursor:pointer}.if-basis label:first-of-type{border-radius:var(--if-radius-input) 0 0 var(--if-radius-input)}.if-basis label:last-of-type{border-radius:0 var(--if-radius-input) var(--if-radius-input) 0}.if-basis label:has(input:checked){background:var(--if-action-soft);border-color:var(--if-action);color:var(--if-action-deep)}.if-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:6px}.if-btn{font-family:var(--if-sans);font-size:.98rem;font-weight:600;border-radius:var(--if-radius-btn);border:1px solid transparent;padding:11px 18px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.if-btn-primary{background:var(--if-action);color:var(--if-action-ink)}.if-btn-primary:hover{background:var(--if-action-deep);color:var(--if-action-ink)}.if-btn-quiet{background:transparent;color:var(--if-action-deep);border-color:var(--if-rule-strong)}.if-btn-quiet:hover{background:var(--if-action-soft);color:var(--if-action-deep)}.if-btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--if-action);outline-offset:2px}.if-result{margin-top:22px;border-top:2px dashed var(--if-ink);padding-top:18px}.if-result[hidden]{display:none}.if-verdict{border:2px solid var(--if-ink);border-radius:var(--if-radius-card);padding:16px;background:var(--if-surface)}.if-verdict[data-v=works]{border-color:var(--if-good);background:var(--if-good-soft)}.if-verdict[data-v=tight]{border-color:var(--if-warn);background:var(--if-warn-soft)}.if-verdict[data-v=not-worth-it]{border-color:var(--if-action);background:var(--if-action-soft)}.if-verdict-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--if-ink-muted);margin:0 0 4px}.if-verdict-head{font-size:1.5rem;font-weight:800;margin:0 0 8px;letter-spacing:-.02em}.if-verdict[data-v=works] .if-verdict-head{color:var(--if-good)}.if-verdict[data-v=tight] .if-verdict-head{color:var(--if-warn)}.if-verdict[data-v=not-worth-it] .if-verdict-head{color:var(--if-action-deep)}.if-reasons{margin:8px 0 0;padding-left:18px;font-size:.95rem}.if-reasons li{margin-bottom:4px}.if-figures{margin:18px 0;border-top:1px solid var(--if-rule-strong)}.if-figure-box{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline;justify-content:space-between;padding:10px 4px;border-bottom:1px solid var(--if-rule)}.if-figure-box dt{font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:var(--if-ink-subtle);margin:0}.if-figure-box dd{margin:0;font-size:1.28rem;font-weight:700;letter-spacing:-.02em}.if-figure-box .if-note{font-size:.78rem;color:var(--if-ink-subtle);font-family:var(--if-sans);font-weight:400;letter-spacing:0}.if-handoff{border:1px solid var(--if-rule-strong);background:var(--if-info-soft);border-radius:var(--if-radius-card);padding:16px}.if-handoff h3{margin:0 0 6px;font-size:1rem}.if-handoff p{font-size:.92rem;color:var(--if-ink-muted);margin-bottom:12px}.if-disclaim{font-size:.82rem;color:var(--if-ink-muted);margin-top:14px;max-width:var(--if-measure-w)}.if-form-error{margin:12px 0 0;padding:8px 12px;border-left:3px solid #1c3a63;background:#1c3a6312;font-size:.9rem}.if-section{padding:34px 0;border-top:1px solid var(--if-rule)}.if-section:first-child{border-top:0}.if-article{max-width:var(--if-measure-w)}.if-article h2{margin-top:1.6em}.if-article ul,.if-article ol{margin:0 0 1em;padding-left:22px}.if-article li{margin-bottom:6px}.if-kicker{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--if-action);font-weight:700;margin-bottom:8px}.if-standfirst{font-size:1.12rem;color:var(--if-ink-muted);margin-bottom:20px}.if-meta{font-size:.85rem;color:var(--if-ink-subtle);border-top:1px solid var(--if-rule);border-bottom:1px solid var(--if-rule);padding:10px 0;margin-bottom:26px;display:flex;flex-wrap:wrap;gap:8px 20px}.if-callout{border-left:3px solid var(--if-info);background:var(--if-info-soft);padding:14px 16px;margin:22px 0;border-radius:0 var(--if-radius-card) var(--if-radius-card) 0}.if-callout p:last-child{margin-bottom:0}.if-callout-warn{border-left-color:var(--if-warn);background:var(--if-warn-soft)}.if-sources{margin-top:34px;border-top:2px solid var(--if-ink);padding-top:16px}.if-sources h2{font-size:1rem;letter-spacing:0}.if-sources ul{padding-left:20px;font-size:.92rem}.if-sources li{margin-bottom:6px}.if-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.if-card{border:1px solid var(--if-rule-strong);background:var(--if-surface);border-radius:var(--if-radius-card);padding:18px;display:flex;flex-direction:column}.if-card h3,.if-card h2{margin:0 0 8px;font-size:1.05rem}.if-card p{font-size:.94rem;color:var(--if-ink-muted);flex:1}.if-card .if-more{font-size:.9rem;font-weight:600;text-decoration:none;margin-top:6px}.if-card .if-more:hover{text-decoration:underline}.if-card .if-card-q{font-size:.92rem;color:var(--if-ink);font-style:italic;margin:0 0 12px}.if-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem}.if-table th,.if-table td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--if-rule);vertical-align:top}.if-table thead th{background:var(--if-surface-2);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}.if-table td.if-num,.if-table th.if-num{text-align:right}.if-facts{display:flex;flex-wrap:wrap;gap:10px 18px;border:1px solid var(--if-rule-strong);background:var(--if-surface);padding:12px 16px;border-radius:var(--if-radius-card);font-size:.9rem;margin:18px 0}.if-facts b{font-family:var(--if-mono);font-variant-numeric:tabular-nums}.if-pagehead{padding-bottom:18px;border-bottom:2px solid var(--if-ink);margin-bottom:26px}.if-pagehead p{color:var(--if-ink-muted);max-width:var(--if-measure-w)}@media(max-width:640px){body{font-size:16px}.if-wrap{padding:0 16px}.if-masthead-inner{padding-top:14px;padding-bottom:12px}.if-figure-box dd{font-size:1.15rem}}