@layer reset{*,:before,:after{box-sizing:border-box}body,h1,h2,h3,p,ul,ol,dl,dd,fieldset{margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}[hidden]{display:none!important}}@layer base{:root{color-scheme:light;--bg:#f6f8fb;--ink:#192b45;--muted:#52637a;--blue:#245cde;--line:#e1e7f0;--white:#fff}html{scroll-padding-top:24px}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.65}a{color:var(--blue);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}:focus-visible{outline-offset:4px;outline:3px solid #245cde}::selection{color:#152f63;background:#dce7ff}h1,h2,h3{line-height:1.25}h1{letter-spacing:-1.5px;font-size:clamp(30px,4.5vw,42px);font-weight:750}h2{letter-spacing:-.6px;font-size:23px;font-weight:700}h3{letter-spacing:-.25px;font-size:18px}p{color:var(--muted)}strong{color:var(--ink);font-weight:650}code{overflow-wrap:anywhere;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.9em}svg{vertical-align:middle;flex:none}.container{width:min(960px,100% - 48px);margin-inline:auto}.eyebrow{color:#5e7089;letter-spacing:1.6px;margin-bottom:12px;font-size:11px;font-weight:700;line-height:1.5;display:block}}@layer components{.skip-link{z-index:10;background:#fff;padding:12px 20px;position:absolute;top:-80px;left:16px}.skip-link:focus{top:12px}.site-header{background:var(--white);border-bottom:1px solid var(--line)}.header-inner{justify-content:space-between;align-items:center;gap:24px;max-width:1120px;min-height:88px;margin:auto;padding:16px 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.eyebrow{color:#526988;letter-spacing:1.7px;justify-content:center;align-items:center;gap:8px;margin-bottom:13px;font-size:10px;display:flex}.blue-dot{background:var(--blue);border-radius:50%;width:6px;height:6px;display:inline-block}.page-intro p{max-width:650px;margin:14px auto 0;font-size:16px;line-height:1.75}.calculator{background:#fff;border:1px solid #dce3ef;border-radius:16px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden;box-shadow:0 8px 30px #243c5c06,0 2px 4px #243c5c03}.input-panel,.result-panel{min-width:0;padding:29px 32px 26px}.panel-heading{align-items:center;gap:10px;margin-bottom:25px;display:flex}.panel-heading h2{letter-spacing:-.25px;font-size:16px}.section-marker{color:#536780;font-variant-numeric:tabular-nums;background:#f0f4fa;border-radius:6px;place-items:center;width:25px;height:25px;font-size:10px;font-weight:700;display:grid}.input-panel>label{margin-bottom:9px;font-size:13px;font-weight:650;display:block}.input-wrap{position:relative}.input-wrap 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