.calculator-page{--calculator-ink:var(--color-neutral-900);--calculator-muted:var(--color-neutral-700);--calculator-line:var(--color-neutral-300);--calculator-paper:var(--color-tool-canvas);--calculator-panel:var(--color-tool-surface);--calculator-accent:var(--color-accent-2-800);background:var(--calculator-paper);color:var(--calculator-ink);font-family:var(--font-body)}.calculator-hero{max-width:1320px;padding-block:14px 34px}.calculator-breadcrumb{color:var(--calculator-muted);white-space:nowrap;align-items:center;gap:8px;margin-bottom:14px;font-size:12px;display:flex;overflow-x:auto}.calculator-breadcrumb a{color:inherit;text-decoration:none}.calculator-breadcrumb a:hover{color:var(--calculator-ink)}.calculator-hero-copy{grid-template-columns:minmax(300px,.82fr) minmax(360px,1.18fr);align-items:end;gap:32px;margin-bottom:22px;display:grid}.calc-hero-badge{background:color-mix(in srgb, var(--calculator-accent) 8%, var(--calculator-panel));border:1px solid color-mix(in srgb, var(--calculator-accent) 18%, transparent);color:var(--calculator-ink);border-radius:9999px;align-items:center;gap:7px;margin-bottom:10px;padding:4px 10px;font-size:11px;font-weight:600;display:inline-flex}.calc-status-dot{background:var(--color-accent-2-600);width:6px;height:6px;box-shadow:0 0 0 2px color-mix(in srgb, var(--color-accent-2-600) 20%, transparent);border-radius:50%}.calculator-hero-copy h1,.calculator-section-lead h2,.calculator-formula h2{font-family:var(--font-body);letter-spacing:-.025em}.calculator-hero-copy h1{margin:0;font-size:clamp(32px,3.2vw,42px);font-weight:680;line-height:1.1}.calc-hero-lead-col{flex-direction:column;gap:6px;display:flex}.calculator-hero-copy p{max-width:620px;color:var(--calculator-muted);margin:0;font-size:15px;line-height:1.6}.calc-hero-disclaimer{color:var(--color-neutral-600);font-size:12px}.hub-quick-section{margin-top:10px}.quick-calc-card{background:var(--calculator-panel);border:1px solid color-mix(in srgb, var(--calculator-line) 62%, transparent);box-shadow:0 16px 40px color-mix(in srgb, var(--calculator-ink) 5%, transparent);border-radius:6px;grid-template-columns:minmax(0,1.4fr) minmax(320px,.9fr);display:grid;overflow:hidden}.quick-calc-inputs{flex-direction:column;gap:14px;padding:24px 28px;display:flex}.quick-calc-field{flex-direction:column;gap:6px;display:flex}.quick-calc-field label{color:var(--calculator-muted);font-size:12px;font-weight:700}.quick-calc-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.quick-calc-presets{flex-wrap:wrap;gap:6px;margin-top:-4px;margin-bottom:2px;display:flex}.calc-preset-btn{border:1px solid color-mix(in srgb, var(--calculator-line) 80%, transparent);background:var(--calculator-panel);color:var(--calculator-muted);cursor:pointer;transition:all var(--transition-fast);border-radius:4px;padding:4px 10px;font-size:11px;font-weight:600}.calc-preset-btn:hover{border-color:var(--calculator-accent);color:var(--calculator-ink)}.calc-preset-btn.is-active{background:color-mix(in srgb, var(--calculator-accent) 10%, var(--calculator-panel));border-color:var(--calculator-accent);color:var(--calculator-ink);font-weight:700}.quick-calc-results{background:var(--calculator-paper);border-left:1px solid color-mix(in srgb, var(--calculator-line) 40%, transparent);flex-direction:column;justify-content:space-between;padding:24px 28px;display:flex}.quick-result-overline{color:var(--calculator-muted);text-transform:uppercase;letter-spacing:.08em;margin:0;font-size:11px;font-weight:700}.quick-result-main{color:var(--calculator-ink);font-variant-numeric:tabular-nums;margin-top:6px;font-size:clamp(48px,4vw,60px);font-weight:700;line-height:1}.quick-result-main.is-empty{color:var(--color-neutral-400)}.quick-result-unit{color:var(--calculator-muted);letter-spacing:.12em;margin:4px 0 0;font-size:10px;font-weight:800}.quick-result-context{color:var(--calculator-muted);margin:6px 0 16px;font-size:12px}.quick-result-meta{border-top:1px solid color-mix(in srgb, var(--calculator-line) 45%, transparent);gap:8px;margin:0 0 20px;padding-top:14px;display:grid}.quick-result-meta div{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.quick-result-meta dt{color:var(--calculator-muted);font-size:12px}.quick-result-meta dd{color:var(--calculator-ink);font-variant-numeric:tabular-nums;margin:0;font-size:13px;font-weight:700}.quick-calc-cta{justify-content:center;align-items:center;gap:8px;width:100%;text-decoration:none;display:inline-flex}.position-tool{background:var(--calculator-panel);border:1px solid color-mix(in srgb, var(--calculator-line) 62%, transparent);box-shadow:0 18px 48px color-mix(in srgb, var(--calculator-ink) 6%, transparent);border-radius:6px;grid-template-columns:minmax(0,1.52fr) minmax(380px,.88fr);display:grid;overflow:hidden}.position-tool-form{min-width:0;padding:25px 30px 23px}.position-form-toolbar{min-height:32px;color:var(--calculator-muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;align-items:center;margin-bottom:17px;font-size:11px;font-weight:750;display:flex}.position-reset{min-height:30px;color:var(--calculator-muted);cursor:pointer;background:0 0;border:0;border-radius:4px;align-items:center;gap:6px;padding:4px 8px;font-size:12px;display:inline-flex}.position-reset:hover{background:var(--color-neutral-200);color:var(--calculator-ink)}.position-reset svg{width:14px;height:14px}.position-fields,.position-advanced-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 18px;display:grid}.position-field{align-content:start;gap:6px;min-width:0;display:grid}.position-label,.position-label-row{min-height:18px;color:var(--calculator-muted);font-size:12px;font-weight:700}.position-label em{color:var(--color-neutral-600);margin-left:4px;font-size:11px;font-style:normal;font-weight:500}.position-label-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.position-input-shell,.position-select-shell{background:color-mix(in srgb, var(--calculator-paper) 58%, var(--calculator-panel));border:1px solid color-mix(in srgb, var(--calculator-line) 70%, transparent);min-width:0;min-height:44px;transition:border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);border-radius:4px;align-items:center;display:flex}.position-input-shell:focus-within,.position-select-shell:focus-within{background:var(--calculator-panel);border-color:var(--calculator-accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--calculator-accent) 18%, transparent)}.position-input-shell input,.position-select-shell select{width:100%;min-width:0;min-height:42px;color:var(--calculator-ink);font-variant-numeric:tabular-nums;background:0 0;border:0;outline:0;padding:0 12px;font-size:14px;font-weight:650}.position-input-shell input{text-align:right}.position-input-shell input::placeholder{color:var(--color-neutral-500);font-weight:500}.position-input-shell b{min-width:49px;color:var(--calculator-muted);white-space:nowrap;flex:none;align-self:stretch;place-items:center;padding:0 11px;font-size:11px;font-weight:700;display:grid}.position-input-prefix b{min-width:auto;font-size:13px}.position-select-shell{position:relative}.position-select-shell select{-webkit-appearance:none;appearance:none;cursor:pointer;padding-right:40px}.position-select-shell svg{pointer-events:none;width:15px;height:15px;position:absolute;right:12px}.position-segmented{background:var(--calculator-paper);border-radius:3px;padding:2px;display:inline-flex}.position-segmented button{min-width:37px;min-height:23px;color:var(--calculator-muted);cursor:pointer;background:0 0;border:0;border-radius:2px;padding:1px 6px;font-size:10px;font-weight:750}.position-segmented button[aria-pressed=true]{background:var(--calculator-panel);color:var(--calculator-ink);box-shadow:var(--shadow-sm)}.position-advanced{margin-top:20px;padding-top:8px}.position-advanced>summary{min-height:32px;color:var(--calculator-ink);cursor:pointer;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;font-size:13px;font-weight:700;list-style:none;display:grid}.position-advanced>summary::-webkit-details-marker{display:none}.position-advanced>summary span:nth-child(2){color:var(--calculator-muted);font-size:11px;font-weight:500}.position-advanced>summary svg{width:15px;height:15px;transition:transform var(--transition-fast)}.position-advanced[open]>summary svg{transform:rotate(180deg)}.position-advanced-fields{padding-top:15px}.position-spec{background:var(--calculator-paper);border-radius:4px;align-content:center;gap:3px;min-height:69px;padding:11px 13px;display:grid}.position-spec span{color:var(--calculator-muted);font-size:11px}.position-spec strong{font-size:13px}.position-inline-note{color:var(--calculator-muted);gap:7px;margin:12px 0 0;font-size:11px;line-height:1.55;display:flex}.position-inline-note svg{flex:none;width:14px;height:14px;margin-top:1px}.position-results{background:var(--calculator-paper);flex-direction:column;min-width:0;padding:23px 29px 19px;display:flex}.position-result-status{color:var(--calculator-muted);align-items:center;gap:8px;margin-bottom:17px;font-size:11px;display:flex}.position-status-dot{background:var(--color-accent-2-600);width:6px;height:6px;box-shadow:0 0 0 3px color-mix(in srgb, var(--color-accent-2-600) 12%, transparent);border-radius:50%}.position-result-label{color:var(--calculator-muted);margin:0;font-size:12px;font-weight:700}.position-result-primary{color:var(--calculator-ink);font-variant-numeric:tabular-nums;letter-spacing:-.065em;margin-top:7px;font-size:clamp(60px,5.2vw,76px);font-weight:680;line-height:.92}.position-result-primary.is-empty{color:var(--color-neutral-500)}.position-result-unit{color:var(--calculator-muted);letter-spacing:.12em;margin:9px 0 0;font-size:10px;font-weight:800}.position-result-context{color:var(--calculator-muted);margin:7px 0 13px;font-size:11px;line-height:1.5}.position-result-rows,.position-result-secondary{gap:2px;margin:0;display:grid}.position-result-rows div,.position-result-secondary div{justify-content:space-between;align-items:baseline;gap:16px;padding:6px 0;display:flex}.position-result-rows dt,.position-result-secondary dt{color:var(--calculator-muted);font-size:11px}.position-result-rows dd,.position-result-secondary dd{color:var(--calculator-ink);font-variant-numeric:tabular-nums;text-align:right;margin:0;font-size:13px;font-weight:700}.position-result-secondary{border-top:1px solid color-mix(in srgb, var(--calculator-line) 40%, transparent);margin-top:10px;padding-top:7px}.position-result-secondary div{padding:4px 0}.position-result-secondary dt,.position-result-secondary dd{font-size:11px;font-weight:550}.position-result-note{color:var(--color-neutral-600);margin:12px 0 0;font-size:10px;line-height:1.5}.calculator-content{max-width:1320px;padding-block:44px 40px}.calculator-content-section+.calculator-content-section{margin-top:48px}.calculator-section-lead{grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);align-items:end;gap:36px;margin-bottom:20px;display:grid}.calculator-section-lead h2,.calculator-formula h2{margin:0;font-size:clamp(22px,2.4vw,26px);font-weight:680;line-height:1.2}.calculator-section-lead p{color:var(--calculator-muted);margin:0;font-size:13px;line-height:1.65}.hub-tools-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.hub-tool-card{background:var(--calculator-panel);border:1px solid color-mix(in srgb, var(--calculator-line) 60%, transparent);color:inherit;transition:all var(--transition-fast);border-radius:6px;flex-direction:column;padding:20px 22px;text-decoration:none;display:flex}.hub-tool-card.is-live:hover{border-color:var(--calculator-accent);box-shadow:0 8px 24px color-mix(in srgb, var(--calculator-ink) 6%, transparent);transform:translateY(-1px)}.hub-tool-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.hub-tool-status{text-transform:uppercase;letter-spacing:.06em;border-radius:3px;padding:2px 8px;font-size:10px;font-weight:700}.hub-tool-status.is-live{background:color-mix(in srgb, var(--color-accent-2-600) 12%, transparent);color:var(--color-accent-2-800)}.hub-tool-status.is-planned{background:color-mix(in srgb, var(--color-neutral-400) 20%, transparent);color:var(--color-neutral-600)}.hub-tool-arrow{width:16px;height:16px;color:var(--calculator-muted);transition:transform var(--transition-fast)}.hub-tool-card.is-live:hover .hub-tool-arrow{color:var(--calculator-accent);transform:translate(3px)}.hub-tool-card h3{margin:0 0 6px;font-size:16px;font-weight:700}.hub-tool-card p{color:var(--calculator-muted);margin:0;font-size:12px;line-height:1.55}.hub-categories-flow{flex-direction:column;gap:28px;display:flex}.hub-category-group{background:color-mix(in srgb, var(--calculator-paper) 40%, var(--calculator-panel));border:1px solid color-mix(in srgb, var(--calculator-line) 50%, transparent);border-radius:6px;padding:22px 24px}.hub-category-header{margin-bottom:16px}.hub-category-header h3{margin:0 0 4px;font-size:16px;font-weight:700}.hub-category-header p{color:var(--calculator-muted);margin:0;font-size:12px}.hub-category-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.hub-category-item{background:var(--calculator-panel);border:1px solid color-mix(in srgb, var(--calculator-line) 60%, transparent);color:inherit;transition:all var(--transition-fast);border-radius:4px;justify-content:space-between;align-items:center;padding:12px 14px;text-decoration:none;display:flex}.hub-category-item.is-live:hover{border-color:var(--calculator-accent);box-shadow:var(--shadow-sm)}.hub-category-item svg{width:14px;height:14px;color:var(--calculator-muted);flex:none}.hub-category-item strong{font-size:13px;font-weight:650;display:block}.hub-category-item span{color:var(--calculator-muted);margin-top:2px;font-size:11px;display:block}.hub-item-title-row{align-items:center;gap:6px;display:flex}.badge-planned{background:color-mix(in srgb, var(--color-neutral-400) 18%, transparent);color:var(--color-neutral-600);border-radius:2px;padding:1px 5px;font-size:9px;font-weight:700}.hub-instrument-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.hub-instrument-card{background:var(--calculator-panel);border:1px solid color-mix(in srgb, var(--calculator-line) 60%, transparent);color:inherit;transition:all var(--transition-fast);border-radius:4px;flex-direction:column;justify-content:space-between;padding:14px 16px;text-decoration:none;display:flex}.hub-instrument-card:hover{border-color:var(--calculator-accent);box-shadow:var(--shadow-sm)}.hub-instrument-card strong{font-size:13px;font-weight:700;display:block}.hub-instrument-card span{color:var(--calculator-muted);margin-top:2px;font-size:11px;display:block}.hub-instrument-action{align-items:center;gap:4px;margin-top:10px;font-size:11px;font-weight:650;display:inline-flex;color:var(--calculator-accent)!important}.hub-instrument-action svg{width:12px;height:12px}.hub-learning-banner{background:color-mix(in srgb, var(--color-accent-2-600) 6%, var(--calculator-panel));border:1px solid color-mix(in srgb, var(--color-accent-2-600) 22%, transparent);border-radius:6px;align-items:flex-start;gap:24px;margin-top:48px;padding:28px 32px;display:flex}.hub-learning-icon{background:color-mix(in srgb, var(--color-accent-2-600) 14%, transparent);width:44px;height:44px;color:var(--color-accent-2-800);border-radius:50%;flex:none;place-items:center;display:grid}.hub-learning-icon svg{width:22px;height:22px}.hub-learning-body h2{margin:0 0 6px;font-size:20px;font-weight:700}.hub-learning-body p{max-width:780px;color:var(--calculator-muted);margin:0 0 16px;font-size:13px;line-height:1.6}.hub-learning-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.hub-learning-actions a{align-items:center;gap:6px;text-decoration:none;display:inline-flex}.calculator-equation-box{background:var(--calculator-panel);border-left:3px solid var(--calculator-accent);border-radius:0 4px 4px 0;flex-direction:column;gap:6px;margin:14px 0 10px;padding:14px 18px;display:flex}.calculator-equation{color:var(--calculator-ink);font-variant-numeric:tabular-nums;margin:0;font-size:14px;font-weight:700}.formula-caption{color:var(--color-neutral-600);margin:8px 0 18px;font-size:12px;line-height:1.5}.formula-worked-example{background:color-mix(in srgb, var(--calculator-paper) 40%, var(--calculator-panel));border:1px solid color-mix(in srgb, var(--calculator-line) 60%, transparent);border-radius:6px;margin-top:20px;padding:18px 20px}.formula-worked-example h3{margin:0 0 4px;font-size:15px;font-weight:700}.example-lead{color:var(--calculator-muted);margin:0 0 14px;font-size:12px}.worked-cards-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:12px;display:grid}.worked-card{background:var(--calculator-panel);border:1px solid color-mix(in srgb, var(--calculator-line) 50%, transparent);border-radius:4px;flex-direction:column;padding:10px 12px;display:flex}.worked-card span{color:var(--calculator-muted);font-size:11px}.worked-card strong{color:var(--calculator-ink);margin:3px 0 2px;font-size:15px;font-weight:700}.worked-card small{color:var(--color-neutral-600);font-size:10px}.example-verification{color:var(--calculator-muted);margin:0;font-size:12px;line-height:1.55}.calculator-variable-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.8vw,36px);display:grid}.calculator-variable-grid article{grid-template-columns:28px 1fr;gap:10px;padding:4px 0;display:grid}.calculator-variable-grid b,.calculator-mistakes>article>b{color:var(--color-neutral-500);font-variant-numeric:tabular-nums;font-size:11px;font-weight:700}.calculator-variable-grid h3,.calculator-mistakes h3{margin:0 0 5px;font-size:14px;font-weight:700}.calculator-variable-grid p,.calculator-mistakes p{color:var(--calculator-muted);margin:0;font-size:12px;line-height:1.6}.calculator-formula{grid-template-columns:auto minmax(0,1fr);gap:20px;max-width:980px;padding:2px 0 2px 2px;display:grid}.calculator-section-icon{background:color-mix(in srgb, var(--calculator-accent) 7%, transparent);width:38px;height:38px;color:var(--calculator-accent);border-radius:50%;flex:none;place-items:center;display:grid}.calculator-section-icon svg{width:20px;height:20px}.calculator-overline{color:var(--calculator-muted);letter-spacing:.13em;text-transform:uppercase;margin-bottom:5px;font-size:9px;font-weight:800;display:block}.calculator-mistakes{grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3.2vw,42px);display:grid}.calculator-mistakes article{grid-template-columns:26px 18px 1fr;gap:10px;padding:3px 0;display:grid}.calculator-mistakes svg{width:16px;height:16px;color:var(--color-accent-700);margin-top:1px}.calculator-mistakes h3{margin-bottom:3px}.calculator-faq-list details{border-bottom:1px solid color-mix(in srgb, var(--calculator-line) 58%, transparent)}.calculator-faq-list summary{min-height:51px;color:var(--calculator-ink);cursor:pointer;justify-content:space-between;align-items:center;gap:20px;padding:10px 0;font-size:14px;font-weight:680;list-style:none;display:flex}.calculator-faq-list summary::-webkit-details-marker{display:none}.calculator-faq-list summary svg{width:16px;height:16px;color:var(--calculator-muted);transition:transform var(--transition-fast);flex:none}.calculator-faq-list details[open] summary svg{transform:rotate(180deg)}.calculator-faq-list p{max-width:90ch;color:var(--calculator-muted);margin:-1px 0 13px;font-size:12px;line-height:1.65}:is(.calculator-page button:focus-visible,.calculator-page summary:focus-visible,.calculator-page a:focus-visible){outline:var(--focus-ring);outline-offset:3px}.specs-data-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:14px;display:grid}.spec-card{background:var(--calculator-panel);border:1px solid var(--calculator-line);border-radius:10px;flex-direction:column;gap:4px;padding:16px 18px;display:flex}.spec-label{text-transform:uppercase;letter-spacing:.04em;color:var(--calculator-muted);font-size:11px;font-weight:600}.spec-value{color:var(--calculator-ink);letter-spacing:-.02em;font-size:18px;font-weight:700}.spec-detail{color:var(--color-neutral-600);font-size:12px}.sibling-instruments-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px;display:grid}.sibling-instrument-card{background:var(--calculator-panel);border:1px solid var(--calculator-line);color:var(--calculator-ink);border-radius:10px;justify-content:space-between;align-items:center;padding:16px 20px;text-decoration:none;transition:border-color .15s,background-color 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