.mth{color:var(--color-text);font-family:var(--font-sans)}.mth-shell{max-width:1120px;margin-inline:auto;padding:clamp(40px,5vw,72px) clamp(16px,3vw,32px) 56px}.mth-eyebrow{margin:0;color:var(--color-accent-text);font-family:var(--font-sans);font-size:12px;line-height:1.5;font-weight:600;letter-spacing:.1em;text-transform:uppercase}.mth-title{margin:16px 0 0;font-family:var(--font-heading);font-size:clamp(32px,4.4vw,62px);font-weight:600;letter-spacing:-.045em;line-height:1.04;text-wrap:balance}.mth-lede{margin:24px 0 0;max-width:62ch;color:var(--zy-muted);font-size:17px;line-height:1.7}.mth-meta{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:24px;color:var(--zy-faint);font-size:14px}.mth-meta code{font-family:var(--font-mono);font-size:12px;color:var(--color-text)}.mth-summary{margin-top:40px;padding:clamp(20px,3vw,28px);background:var(--color-surface);border:1px solid var(--zy-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.mth-summary dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:20px 0 0}.mth-summary dl>div+div{border-left:1px solid var(--zy-line);padding-left:24px}.mth-summary dt{font-size:16px;font-weight:600}.mth-summary dd{margin:8px 0 0;color:var(--zy-muted);font-size:14px;line-height:1.7}.mth-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:clamp(32px,5vw,64px);margin-top:56px;align-items:start}.mth-toc{position:sticky;top:100px}.mth-toc ol{margin:16px 0 0;padding:0;list-style:none;border-left:1px solid var(--zy-line)}.mth-toc a{display:flex;align-items:center;min-height:44px;padding:10px 14px;color:var(--zy-muted);font-size:14px;line-height:1.5;text-decoration:none;border-radius:var(--radius-sm)}.mth-toc a:hover{color:var(--color-accent-text);background:var(--color-surface-2)}.mth-content{min-width:0}.mth-section{scroll-margin-top:112px}.mth-section+.mth-section{margin-top:48px;padding-top:40px;border-top:1px solid var(--zy-line)}.mth-section:target h2{color:var(--color-accent-text)}.mth-foot h2,.mth-section h2{margin:0 0 16px;font-family:var(--font-heading);font-size:clamp(22px,2.4vw,28px);font-weight:600;letter-spacing:-.03em;line-height:1.2}.mth-section>p{margin:0 0 20px;max-width:65ch;color:var(--zy-muted);font-size:16px;line-height:1.75}.mth-dims{margin:24px 0 0}.mth-dim{padding:24px 0;border-top:1px solid var(--zy-line)}.mth-dim:last-child{padding-bottom:0}.mth-dim dt{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px;font-size:16px;font-weight:600}.mth-dim dt span{color:var(--zy-faint);font-size:14px;font-weight:400}.mth-dim dd{margin:12px 0 0}.mth-dim dd p{margin:0;color:var(--zy-muted);font-size:16px;line-height:1.75}.mth-dim dd .mth-note{margin-top:12px;padding:12px 16px;border-left:2px solid var(--zy-line);color:var(--zy-faint);font-size:14px;line-height:1.7;background:var(--color-section)}.mth-bands{display:grid;gap:12px;list-style:none;margin:24px 0 0;padding:0}.mth-bands li{padding:18px 20px;border:1px solid var(--zy-line);border-radius:var(--radius-md);background:var(--color-surface)}.mth-bands li>div{display:flex;align-items:center;justify-content:space-between;gap:16px}.mth-band-label{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:600}.mth-band-label i{width:10px;height:10px;border-radius:50%;background:var(--zy-bad)}.mth-bands [data-status=good] i{background:var(--zy-good)}.mth-bands [data-status=warning] i{background:var(--zy-warn)}.mth-bands strong{font-family:var(--font-sans);font-variant-numeric:tabular-nums;font-size:18px;font-weight:600;white-space:nowrap}.mth-bands small{margin-left:4px;font-size:12px;color:var(--zy-faint);font-weight:400}.mth-bands p{margin:10px 0 0;color:var(--zy-muted);font-size:14px;line-height:1.7}.mth-example{padding:clamp(16px,3vw,24px);border:1px solid var(--zy-line);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm)}.mth-example-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.mth-example-head>span:last-child{color:var(--zy-faint);font-size:14px}.mth-checks{margin:24px 0 0;padding:0;list-style:none}.mth-checks li{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:12px 0;border-top:1px solid var(--zy-line);font-size:14px;line-height:1.6}.mth-checks strong{white-space:nowrap;font-size:12px;font-weight:600;color:var(--zy-faint)}.mth-checks [data-passed=true]{color:var(--zy-good)}.mth-calculation{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding:20px;margin-top:12px;border-radius:var(--radius-md);background:var(--color-section)}.mth-calculation>div:first-child{display:grid;gap:8px;font-size:14px;color:var(--zy-muted)}.mth-calculation code{font-size:16px;font-family:var(--font-mono);color:var(--color-text)}.mth-result{display:grid;gap:4px}.mth-result strong{font-family:var(--font-sans);font-variant-numeric:tabular-nums;font-size:32px;line-height:1.2}.mth-result small{font-size:14px;color:var(--zy-faint);font-weight:400}.mth-result>span{font-size:14px;font-weight:600;color:var(--zy-good)}.mth-example-note{margin:16px 0 0;font-size:14px;line-height:1.7;color:var(--zy-muted)}.mth-list{margin:0;padding:0;list-style:none}.mth-list li{padding:20px 0;border-top:1px solid var(--zy-line);color:var(--zy-muted);font-size:16px;line-height:1.75}.mth-list strong{color:var(--color-text);font-weight:600}.mth-foot{margin-top:64px;padding:clamp(24px,4vw,40px);border:1px solid var(--zy-line);border-radius:var(--radius-lg);background:var(--color-section)}.mth-foot h2{margin-top:14px}.mth-foot p:not(.mth-eyebrow){margin:0;max-width:60ch;color:var(--zy-muted);font-size:16px;line-height:1.7}.mth-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.mth-button{display:inline-flex;gap:14px;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:999px;background:var(--zy-cta);color:var(--zy-ink);text-decoration:none;font-size:14px;font-weight:600}.mth-button:hover{background:var(--zy-cta-hover)}.mth-button-secondary{border-color:var(--zy-line);background:var(--color-surface);color:var(--color-text)}.mth-button-secondary:hover{background:var(--color-surface-2)}.mth a:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px}@media (max-width:760px){.mth-shell{padding-top:40px}.mth-lede{margin-top:20px;font-size:16px}.mth-summary dl{grid-template-columns:1fr;gap:20px}.mth-summary dl>div+div{border-left:0;border-top:1px solid var(--zy-line);padding-left:0;padding-top:20px}.mth-layout{grid-template-columns:minmax(0,1fr);gap:32px;margin-top:32px}.mth-toc{position:static;padding-bottom:24px;border-bottom:1px solid var(--zy-line)}.mth-toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;border-left:0}.mth-toc a{height:100%;padding:10px;border:1px solid var(--zy-line);background:var(--color-surface)}.mth-section+.mth-section{margin-top:36px;padding-top:32px}.mth-foot{margin-top:40px}}@media (max-width:360px){.mth-toc ol{grid-template-columns:1fr}.mth-bands li{padding:16px}.mth-bands strong{font-size:16px}.mth-calculation{padding:16px}.mth-actions{flex-direction:column}}