.calculator-page .site-header{gap:24px}.calculator-page .site-header nav{gap:24px}.skip-link{position:absolute;top:-80px;left:20px;z-index:100;background:#fff;padding:12px 20px;border:2px solid var(--blue);border-radius:8px}.skip-link:focus{top:12px}.tool-main{padding-top:18px}.tool-heading{margin-bottom:38px;max-width:760px}.tool-heading h1{font-size:clamp(38px,5vw,64px);margin-bottom:23px}.tool-heading>p:not(.eyebrow){max-width:610px;font-size:16px;line-height:1.8}.tool-heading .eyebrow{margin-bottom:16px}.tool-hub-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;padding:28px 0 50px}.tool-hub-hero .tool-heading{margin-bottom:0}.tool-hub-hero .button{margin-top:10px}.tool-graphic{height:330px;position:relative;overflow:hidden;border:1px solid #d4e4eb;border-radius:20px;background:radial-gradient(circle at 50% 45%,#d8eeef,transparent 63%),linear-gradient(130deg,#f1f8fa,#e4eef4);color:#327696}.tool-graphic:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#779da81a 1px,transparent 1px),linear-gradient(90deg,#779da81a 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(black,transparent)}.tool-graphic-label,.tool-graphic-bottom{position:absolute;left:22px;right:22px;font-size:9px;letter-spacing:1.7px;color:#658996}.tool-graphic-label{top:20px}.tool-graphic-bottom{bottom:20px;display:flex;justify-content:space-between}.tool-graphic-bottom b{font-size:17px;letter-spacing:6px}.tool-graphic-ring{position:absolute;width:230px;height:230px;border:1px solid #93bdce;border-radius:50%;top:48px;left:50%;transform:translateX(-50%);box-shadow:0 0 0 17px #b7d6df30,0 0 0 34px #b7d6df20}.tool-graphic-centre{position:absolute;inset:60px 0 0;text-align:center;font-size:100px;font-weight:500;font-family:Manrope,sans-serif;letter-spacing:-8px}.tool-graphic-centre span{display:block;letter-spacing:2px;font-size:12px;margin-top:-12px}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.tool-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;transition:transform .2s,border-color .2s}.tool-card:hover{transform:translateY(-4px);border-color:#8fb5c8}.tool-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.tool-symbol{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;background:#e8f3f7;color:var(--blue-deep);font-size:26px;font-weight:500}.tool-index{color:#a2b7c2;font-size:10px;font-family:monospace}.tool-card .eyebrow{font-size:8px;letter-spacing:1.4px;margin-bottom:14px}.tool-card h2{font-size:22px;min-height:52px;margin-bottom:14px;letter-spacing:-.035em}.tool-card>p:not(.eyebrow){font-size:12px;line-height:1.8;min-height:64px;margin-bottom:22px}.tool-hub-note{display:flex;align-items:center;gap:16px;padding:28px 0}.tool-hub-note p{font-size:12px;margin:0}.tool-breadcrumb{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted);margin:6px 0 36px}.tool-breadcrumb a{color:var(--blue)}.tool-workbench{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:start;margin-bottom:58px}.tool-inputs{padding:30px;background:#fff;border:1px solid var(--border);border-radius:18px}.tool-panel-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.tool-panel-heading h2{font-size:22px;margin:0}.tool-panel-heading>span{font-size:8px;letter-spacing:1.2px;color:#8299a5}.tool-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px}.tool-field{display:flex;flex-direction:column;font-size:12px;gap:8px;font-weight:500;min-width:0}.tool-field input,.tool-field select{border:1px solid #cfdee5;border-radius:8px;padding:12px;background:#f8fafb;color:var(--ink);width:100%;min-height:47px;font-size:15px;font-weight:400}.tool-field select{font-size:13px;padding-right:24px}.tool-field small{font-size:11px;color:var(--muted);font-weight:400;line-height:1.6}.tool-options{grid-column:1/-1;border-top:1px solid var(--border);padding-top:20px}.tool-options>summary{cursor:pointer;font-size:12px;color:var(--blue);font-weight:500}.tool-options .tool-fields{padding-top:22px}.tool-actions{display:flex;gap:24px;align-items:center;margin-top:28px}.tool-results{border:1px solid #b9d4df;border-radius:18px;padding:32px;background:linear-gradient(135deg,#eaf4f8,#eef7f3);position:sticky;top:24px;overflow-wrap:anywhere}.tool-results .eyebrow{margin-bottom:16px}.tool-results h2{font-size:22px;margin-bottom:30px}.tool-result-number{font-family:Manrope,sans-serif;line-height:1.15;font-size:clamp(30px,3.3vw,45px);letter-spacing:-.04em;color:#235f7a;font-weight:600;margin-bottom:12px}.tool-result-label{font-size:12px;margin-bottom:26px}.tool-result-row{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding:10px 0;border-bottom:1px solid #cadfe4;font-size:12px;color:#58727d}.tool-result-row strong{color:#2a5063;font-weight:600;text-align:right}.tool-result-note{font-size:10px;color:#64818b;margin-top:24px;letter-spacing:.02em}.tool-result-empty{font-size:14px;min-height:95px}.tool-small-note{font-size:11px;line-height:1.7;margin:22px 0 0}.tool-error{font-size:13px;color:#934135;background:#fff5f1;border:1px solid #edcabf;border-radius:8px;padding:14px}.tool-guide{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start;margin-bottom:48px}.tool-guide h2,.tool-faq h2,.tool-related h2{font-size:29px}.tool-guide p{font-size:13px;line-height:1.85}.tool-guide .eyebrow{margin-bottom:16px}.tool-formula{background:#fff;border:1px solid var(--border);border-radius:14px;padding:26px;overflow-wrap:anywhere}.tool-formula>span{font-size:9px;letter-spacing:1.4px;color:#8099a7}.tool-formula p{font-family:monospace;font-size:12px;color:#3e6a7e;margin:18px 0 0;line-height:2}.tool-source a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.tool-faq{max-width:790px;margin-bottom:60px}.tool-faq details{border-bottom:1px solid var(--border);padding:18px 0}.tool-faq summary{font-size:14px;cursor:pointer;font-weight:500}.tool-faq details>p{font-size:13px;line-height:1.85;margin:14px 0 0}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-related .tool-card h2{min-height:0}.tool-related{margin-bottom:54px}.tool-community{display:flex;align-items:center;justify-content:space-between;gap:36px;background:#edf4f6;border:1px solid #d9e6eb;border-radius:16px;padding:32px;margin:26px 0 65px}.tool-community .eyebrow{margin-bottom:12px}.tool-community h2{font-size:28px;margin-bottom:12px}.tool-community p:not(.eyebrow){margin:0;font-size:13px}.tool-community .button{flex-shrink:0}.calculator-page .site-footer{padding-top:25px}.calculator-page .footer-links{gap:20px}
@media(max-width:1100px){.calculator-page .site-header nav{gap:15px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-workbench{grid-template-columns:1.2fr 1fr;gap:18px}.tool-inputs,.tool-results{padding:24px}.tool-guide{gap:30px}.tool-result-number{font-size:34px}}
@media(max-width:900px){.calculator-page .site-header{height:86px;position:relative}.calculator-page .menu-toggle{display:block;margin-left:auto}.calculator-page .site-header nav{display:none}.calculator-page .site-header.menu-open nav{display:flex;position:absolute;z-index:20;left:24px;right:24px;top:74px;flex-direction:column;gap:0;padding:16px 22px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 15px 35px #43647318}.tool-hub-hero{gap:28px}.tool-graphic{height:300px}.tool-heading>p:not(.eyebrow){font-size:14px}.tool-workbench{grid-template-columns:1fr 1fr}.tool-fields{grid-template-columns:1fr}.tool-guide{grid-template-columns:1fr}.tool-results{top:16px}.tool-panel-heading>span{font-size:7px}.related-grid{grid-template-columns:1fr}.related-grid .tool-card>p{min-height:0}.tool-community{align-items:flex-start;flex-direction:column;gap:24px}}
@media(max-width:600px){.tool-hub-hero{grid-template-columns:1fr;padding-top:16px}.tool-graphic{height:260px}.tool-graphic-ring{top:38px;width:190px;height:190px}.tool-graphic-centre{font-size:82px;top:50px}.tool-grid{grid-template-columns:1fr}.tool-card h2,.tool-card>p:not(.eyebrow){min-height:0}.tool-workbench{grid-template-columns:1fr;margin-bottom:40px}.tool-results{position:static}.tool-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-inputs,.tool-results{padding:22px}.tool-field{font-size:11px}.tool-field select{font-size:12px}.tool-actions{gap:18px}.tool-hub-note{align-items:flex-start}.tool-hub-note .status-dot{margin-top:8px}.tool-heading{margin-bottom:26px}.tool-breadcrumb{margin-bottom:26px}.tool-community{padding:24px}.tool-community h2{font-size:25px}.tool-related .section-heading{display:block}.tool-related .text-link{margin-top:14px}.calculator-page .footer-links{flex-wrap:wrap}}
@media(max-width:390px){.tool-fields{grid-template-columns:1fr}.tool-actions{flex-wrap:wrap}.tool-panel-heading{gap:10px}.tool-panel-heading h2{font-size:20px}.tool-result-row{gap:12px}.tool-formula{padding:20px}}