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[data-category=finance]{--accent:#3156d5;--tint:#eef2ff}[data-category=health]{--accent:#168568;--tint:#e9f7f0}[data-category=math]{--accent:#8456c9;--tint:#f3edfc}[data-category=construction]{--accent:#aa7413;--tint:#fff6df}[data-category=conversion]{--accent:#13859b;--tint:#eaf8fb}[data-category=physics]{--accent:#3576b9;--tint:#eef5fc}[data-category=chemistry]{--accent:#ab5481;--tint:#fceff5}[data-category=biology]{--accent:#47812e;--tint:#f0f7ea}[data-category=ecology]{--accent:#43812f;--tint:#eff7ea}[data-category=food]{--accent:#b46b2d;--tint:#fcf2e7}[data-category=sports]{--accent:#b55151;--tint:#fff0ef}[data-category=statistics]{--accent:#6e5cc4;--tint:#f2effc}[data-category=everyday-life]{--accent:#42808d;--tint:#edf7f7}[data-category=other]{--accent:#536785;--tint:#f0f3f8}
@media(min-width:1550px){.home-hero{padding:52px 60px}.tool-grid{gap:15px}}
@media(max-width:1100px){.header-main{grid-template-columns:170px minmax(200px,1fr) auto;gap:18px}.brand img{width:170px}.main-nav{gap:14px}.main-nav a{font-size:.78rem}.tool-grid,.directory-tools,.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.home-hero{gap:30px;padding:34px}.calculator-layout{grid-template-columns:minmax(0,1fr) 250px}.calculator-card{padding:22px}.method-banner{grid-template-columns:1fr 1fr}.method-banner .button{justify-self:start}.result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.header-main{grid-template-columns:170px 1fr;gap:10px 22px;padding:10px 0}.main-nav{grid-column:1/-1;justify-content:center;padding:3px 0 0;gap:28px}.main-nav a{font-size:.82rem}.home-hero{grid-template-columns:1fr;gap:28px}.home-start{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}.home-start>.eyebrow{grid-column:1/-1}.home-start>a{min-width:0}.home-hero p{max-width:62ch}.calculator-layout{grid-template-columns:minmax(0,1fr)}.calculator-aside{position:static;display:grid;grid-template-columns:1fr auto;gap:0 20px}.calculator-aside>.eyebrow,.calculator-aside>h2,.calculator-aside>.formula-chip{grid-column:1/-1}.calculator-aside hr{display:none}.calculator-aside>.microcopy{margin:10px 0}.calculator-aside>a.microcopy{align-self:center}.calculator-aside h2{margin:7px 0}.calculator-aside .formula-chip{margin:8px 0 15px}.tool-grid,.directory-tools{grid-template-columns:repeat(2,minmax(0,1fr))}.related-tools{grid-template-columns:repeat(2,minmax(0,1fr))}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{gap:26px;grid-template-columns:1.2fr 1fr 1fr}.directory-list{columns:2}}
@media(max-width:560px){body{font-size:16px}.faith-banner{font-size:.6rem;padding:5px 10px}.header-main{width:calc(100% - 28px);grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:9px 0}.brand img{width:158px;max-height:49px}.nav-toggle{display:block;border:1px solid #d0d9e7;border-radius:8px;min-height:40px;background:#fff;padding:8px 12px;color:var(--navy);font-size:.78rem;font-weight:650}.search-shell{grid-column:1/-1}.search-shell>input{height:41px;font-size:.85rem}.main-nav{display:none;grid-column:1/-1;padding:0;gap:0;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:10px 4px;border-top:1px solid var(--line)}.page-shell{width:calc(100% - 28px);margin:18px auto 36px}.breadcrumbs{font-size:.72rem;gap:6px;margin-bottom:16px}.home-hero{padding:25px 20px;gap:24px;border-radius:13px}.home-hero h1{font-size:2.6rem}.home-hero p{font-size:.95rem}.hero-actions{gap:15px;margin-top:22px}.hero-facts{gap:10px;font-size:.65rem;margin-top:20px}.home-start{display:block;padding:16px}.home-start>a{padding:12px 0}.home-start>a:last-child{padding-bottom:0}.home-start small{font-size:.73rem}.section-block{margin:28px 0}.section-heading{align-items:start}.section-heading>.text-link{font-size:.7rem;margin-top:16px}.section-heading h2{font-size:1.35rem}.tool-grid{grid-template-columns:1fr;gap:9px}.tool-card{padding:14px;gap:12px}.tool-card-title{font-size:.9rem;min-height:0;display:block}.tool-card-description{font-size:.79rem;margin-top:5px}.tool-card-category{margin-top:7px}.tool-icon-wrap{width:36px;height:36px}.category-grid{gap:9px}.category-tile{gap:9px;padding:12px 10px;align-items:flex-start}.category-tile .tool-icon-wrap{width:28px;height:28px;border-radius:7px}.category-tile .tool-icon{width:17px;height:17px}.category-tile strong{font-size:.76rem;line-height:1.4}.category-tile small{font-size:.65rem}.category-tile>span:last-child{display:none}.tool-hero{padding:17px 16px;margin-bottom:18px}.tool-hero h1{font-size:1.85rem;margin-top:8px}.tool-hero p{font-size:.9rem;line-height:1.7}.calculator-layout{margin:18px 0 26px;gap:14px}.calculator-card{padding:17px 15px;border-radius:12px}.workspace-title{margin-bottom:18px;gap:8px}.local-badge{font-size:.6rem}.form-grid{grid-template-columns:1fr;gap:16px}.field label{font-size:.83rem}.form-grid input,.form-grid select,.form-grid textarea{font-size:16px;min-height:46px}.form-actions{margin-top:19px}.form-actions .button{flex:1}.utility-actions{gap:16px}.result-panel{padding:15px;margin-top:19px}.primary-result{font-size:2rem}.result-heading .eyebrow{font-size:.65rem;letter-spacing:.04em}.result-brand{font-size:.6rem;white-space:nowrap}.result-grid{gap:7px}.metric{padding:10px}.metric span{font-size:.65rem}.metric strong{font-size:.82rem}.safety-note{font-size:.75rem}.calculator-aside{display:block;padding:17px}.calculator-aside>a.microcopy{display:block;margin-top:10px}.article-toc{padding:15px}.article-toc>div{gap:8px 16px}.article-toc a{font-size:.73rem}.article-grid{gap:13px}.article-grid>section,.content-card{padding:19px 16px;border-radius:11px}.article-grid h2{font-size:1.2rem}.article-grid p,.article-grid li{font-size:.89rem}.article-grid h3{font-size:1rem}.formula-block{padding:12px!important;font-size:.83rem!important}.example-results{grid-template-columns:repeat(2,minmax(0,1fr))}.example-results dt{font-size:.68rem}.example-results dd{font-size:.83rem}.table-wrap table{font-size:.75rem}th,td{padding:10px 8px}td code{font-size:.7rem}.related-tools{grid-template-columns:1fr}.directory-tools{grid-template-columns:1fr;gap:7px}.tool-card-compact{min-height:63px;padding:10px 12px}.tool-card-compact .tool-card-title{font-size:.82rem}.directory-search{grid-template-columns:1fr}.directory-search input{font-size:16px}.directory-search select{font-size:.87rem}.directory-section h2{font-size:1.2rem}.category-chips a{font-size:.72rem}.method-banner{grid-template-columns:1fr;gap:18px;padding:23px}.method-banner h2{font-size:1.5rem}.method-banner p{font-size:.85rem}.content-split{grid-template-columns:1fr;gap:13px}.footer-grid{grid-template-columns:1fr 1fr;gap:26px 20px}.footer-grid>section:first-child{grid-column:1/-1}.site-footer{padding:30px 20px 18px}.site-footer h2{font-size:.82rem}.site-footer a{font-size:.75rem}.copyright{font-size:.66rem;line-height:1.7;margin-top:25px}.directory-list{columns:1}.contact-address{font-size:.95rem}html{scroll-padding-top:145px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.tool-card:hover{transform:none}}
@media print{.faith-banner,.site-header,.site-footer,.form-actions,.utility-actions,.calculator-aside,.article-toc{display:none!important}.page-shell{width:100%;margin:0}.calculator-layout{display:block}.calculator-card,.article-grid>section{box-shadow:none;break-inside:avoid}.result-panel{background:#fff}.directory-section{content-visibility:visible}}
.calculation-diagram{margin:24px 0 0;padding:18px;border:1px solid #d8e1f3;border-radius:12px;background:#fff}.calculation-diagram figcaption,.schema-scatter-chart figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:.85rem;font-weight:650;color:var(--navy);margin-bottom:14px}.chart-brand{flex-shrink:0;font-size:.64rem!important;color:#62739b;font-weight:750;letter-spacing:-.02em}.diagram-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.diagram-input{min-width:0;border:1px solid #dce4f6;border-top:3px solid #5877e9;border-radius:8px;background:#f6f8ff;padding:11px}.diagram-input span,.diagram-method>span,.diagram-output>span{display:block;font-size:.67rem;color:#52617d;line-height:1.45}.diagram-input strong{display:block;font-size:.75rem;font-weight:650;color:var(--navy);margin-top:6px;overflow-wrap:anywhere;white-space:pre-wrap;line-height:1.5}.diagram-color-1{border-color:#c7eae2;border-top-color:#1a9e86;background:#f2fbf8}.diagram-color-2{border-color:#eddfbd;border-top-color:#cea43d;background:#fffbf1}.diagram-color-3{border-color:#e2d5f4;border-top-color:#9668ce;background:#f8f4fc}.diagram-connector{text-align:center;color:#7890c6;font-size:1.2rem;line-height:1.4;font-weight:650}.diagram-method{border:1px solid #d8e2f5;border-radius:8px;padding:12px;background:#f3f6fe}.diagram-method p{font-size:.76rem;line-height:1.7;color:#3c4e76;margin:5px 0 0;overflow-wrap:anywhere}.diagram-output{border:1px solid #b8d0f5;border-radius:8px;padding:14px 16px;background:linear-gradient(110deg,#eef2ff,#eef8fb);text-align:center}.diagram-output strong{display:block;font-size:1.2rem;font-weight:750;color:var(--navy);margin-top:6px;line-height:1.4;overflow-wrap:anywhere;white-space:pre-line}.schema-scatter-chart{padding:16px;background:#fff;border:1px solid #dce3f1;border-radius:12px}.schema-scatter-chart svg{border:0;overflow:visible}.schema-scatter-chart .microcopy{font-size:.73rem;margin:10px 0 0}.chart-line{stroke:url(#result-gradient);stroke-width:3}.chart-color-0{fill:#315bea}.chart-color-1{fill:#16a085}.chart-color-2{fill:#a67b14}.chart-color-3{fill:#9365cf}.chart-color-4{fill:#ce5a7f}.chart-bar{opacity:.84}.chart-point{stroke:#fff;stroke-width:1}
@media(max-width:560px){.calculation-diagram{padding:12px;margin-top:18px}.diagram-inputs{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.diagram-input{padding:9px}.diagram-input span{font-size:.61rem}.diagram-input strong{font-size:.7rem}.diagram-method{padding:10px}.diagram-method p{font-size:.71rem}.diagram-output{padding:12px}.diagram-output strong{font-size:1.05rem}.calculation-diagram figcaption,.schema-scatter-chart figcaption{font-size:.77rem;gap:8px}.chart-brand{font-size:.58rem!important}.schema-scatter-chart{padding:12px 8px}.schema-scatter-chart svg{margin:0 -2px;width:calc(100% + 4px)}.chart-label{font-size:12px}}
.chart-legend{display:flex;flex-wrap:wrap;gap:8px 16px;margin:8px 0;font-size:.7rem;color:#52617a}.chart-legend span{display:flex;align-items:center;gap:6px}.chart-legend i{width:16px;height:3px;background:#169e87;display:inline-block}.chart-legend .legend-color-1{background:#d29b20}.chart-legend .legend-color-2{background:#9565ce}.chart-legend .legend-color-3{background:#e06c84}.calculation-status:not(.sr-only){margin:12px 0 0;font-size:.77rem;color:#275a81}

/* Numbered calculator guides */
.guide-steps{list-style:none;counter-reset:guide;padding:0;display:grid;gap:1.4rem}.guide-steps>li{counter-increment:guide;position:relative;padding:0 0 0 3.2rem;min-width:0}.guide-steps>li:before{content:counter(guide,decimal-leading-zero);position:absolute;left:0;top:.15rem;width:2.3rem;height:2.3rem;display:grid;place-items:center;background:#000e3a;color:#ffd24d;border-radius:.75rem;font-weight:700}.guide-steps h3{margin:0 0 .65rem}.guide-inputs{padding-left:1.2rem}.guide-inputs li{margin:.65rem 0}.scope-note{border:1px solid #e5bb5b;border-left:5px solid #e5a91f;background:#fff9e9;border-radius:1rem;padding:1.25rem;margin:0 0 1.5rem}.scope-note h2{font-size:1.15rem;margin-top:0}.scope-note p:last-child{margin-bottom:0}.sample-note{border-left:3px solid #12a893;padding-left:1rem}section[id],aside[id]{scroll-margin-top:1.5rem}@media(max-width:480px){.guide-steps>li{padding-left:2.7rem}.guide-steps>li:before{width:2rem;height:2rem;font-size:.85rem}.scope-note{padding:1rem}}