:root{--blue:#0647b8;--blue2:#0b63e5;--ink:#0f172a;--muted:#5f6b7a;--line:#dce4ef;--soft:#f5f8ff;--white:#fff;--green:#0d8b5f;--shadow:0 20px 55px rgba(15,35,70,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.55}
button,input,select{font:inherit}
button{cursor:pointer}
.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 24px;border-bottom:1px solid transparent}
.brand,.footer-brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--blue);color:#fff;font-weight:900;font-size:22px}
.brand b,.footer-brand b{display:block;font-size:19px;letter-spacing:-.03em}
.brand small,.footer-brand small{display:block;font-size:10px;letter-spacing:.17em;color:var(--muted);font-weight:800}
.site-header nav{display:flex;gap:28px;align-items:center}
.site-header nav a,footer a{color:#465365;text-decoration:none;font-weight:650;font-size:14px}
.site-header nav a:hover,footer a:hover{color:var(--blue)}
main{overflow:hidden}
.hero{max-width:1180px;margin:0 auto;padding:72px 24px 68px;display:grid;grid-template-columns:1.08fr .92fr;gap:72px;align-items:center}
.eyebrow{display:block;color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.14em;margin-bottom:14px}
.hero h1{font-size:clamp(46px,6vw,74px);line-height:1.02;letter-spacing:-.055em;margin:0 0 24px}
.hero h1 span{color:var(--blue)}
.hero-copy>p{font-size:19px;max-width:620px;color:var(--muted);margin:0 0 26px}
.hero-pills{display:flex;gap:10px;flex-wrap:wrap}
.hero-pills span{font-size:13px;font-weight:750;background:var(--soft);border:1px solid #dce9fb;color:#335072;border-radius:999px;padding:7px 12px}
.quick-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow);position:relative}
.quick-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;border-radius:24px 24px 0 0;background:linear-gradient(90deg,var(--blue),#4d9cff)}
.card-heading{display:flex;align-items:start;justify-content:space-between}
.card-heading h2{font-size:30px;margin:0 0 18px;letter-spacing:-.03em}
.calc-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:#eaf2ff;color:var(--blue);font-size:25px;font-weight:850}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field-row label{font-size:14px;font-weight:700;color:#4a5768}
.field-row input{width:100%;margin-top:7px;border:1px solid #cbd6e5;border-radius:10px;padding:12px 13px;font-size:18px;color:var(--ink);outline:none}
.field-row input:focus,.calc-form input:focus,.calc-form select:focus,.search-wrap input:focus{border-color:var(--blue2);box-shadow:0 0 0 3px rgba(11,99,229,.12)}
.quick-result{background:var(--soft);border-radius:14px;padding:17px 20px;margin:18px 0 12px;display:flex;justify-content:space-between;align-items:center}
.quick-result span,.result-panel>span{font-size:11px;letter-spacing:.14em;font-weight:850;color:var(--muted)}
.quick-result strong{font-size:28px;color:var(--blue)}
.text-button{border:0;background:transparent;color:var(--blue);font-weight:800;padding:8px 0}
.finder{background:linear-gradient(135deg,#0647b8,#0b63e5);color:#fff;padding:33px max(24px,calc((100% - 1132px)/2));display:grid;grid-template-columns:170px 1fr auto;gap:18px;align-items:center}
.finder>label{font-size:20px;font-weight:820}
.search-wrap{background:#fff;border-radius:12px;display:flex;align-items:center;padding:0 14px;color:#77859a}
.search-wrap input{border:0;outline:0;padding:13px 9px;width:100%;min-width:180px}
.filter-row{display:flex;gap:7px}
.filter{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08);border-radius:999px;padding:9px 13px;font-size:13px;font-weight:750}
.filter.active,.filter:hover{background:#fff;color:var(--blue)}
.calculator-sections{max-width:1180px;margin:0 auto;padding:68px 24px}
.category{scroll-margin-top:25px;margin-bottom:62px}
.section-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px}
.section-title h2{font-size:34px;letter-spacing:-.035em;margin:0}
.section-title p{color:var(--muted);margin:0;max-width:520px}
.calc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.calc-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:22px;text-align:left;transition:.2s ease;display:flex;flex-direction:column;min-height:178px}
.calc-card:hover{transform:translateY(-3px);border-color:#a8c9fa;box-shadow:0 12px 34px rgba(22,58,111,.1)}
.calc-card .icon{width:42px;height:42px;border-radius:12px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:15px}
.calc-card h3{font-size:18px;margin:0 0 6px}
.calc-card p{font-size:14px;color:var(--muted);margin:0 0 14px;flex:1}
.calc-card span:last-child{font-size:13px;color:var(--blue);font-weight:820}
.no-results{text-align:center;padding:80px 20px;color:var(--muted)}
.explain{background:#f6f9fd;padding:70px max(24px,calc((100% - 1132px)/2))}
.explain>div:first-child{display:flex;justify-content:space-between;align-items:end;margin-bottom:34px}
.explain h2{font-size:34px;margin:0;max-width:580px;letter-spacing:-.035em}
.explain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.explain article b{display:grid;place-items:center;background:var(--blue);color:#fff;width:34px;height:34px;border-radius:50%}
.explain h3{margin:14px 0 5px}
.explain p{color:var(--muted);margin:0}
.modal{position:fixed;z-index:50;inset:0;display:grid;place-items:center;padding:24px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(8,21,42,.64);backdrop-filter:blur(5px)}
.modal-panel{position:relative;background:#fff;border-radius:22px;padding:34px;width:min(700px,100%);max-height:90vh;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.25)}
.modal-close{position:absolute;top:16px;right:18px;border:0;background:#f1f4f8;border-radius:50%;width:36px;height:36px;font-size:24px;line-height:1}
.modal-panel h2{font-size:34px;letter-spacing:-.035em;margin:0}
.modal-description{color:var(--muted);margin:6px 0 24px}
.calc-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.calc-form label{font-size:14px;color:#465365;font-weight:750}
.calc-form input,.calc-form select{display:block;width:100%;margin-top:7px;padding:12px;border:1px solid #cbd6e5;border-radius:10px;outline:0;background:#fff}
.result-panel{background:linear-gradient(135deg,#0647b8,#0b63e5);color:#fff;border-radius:16px;padding:22px;margin-top:22px}
.result-panel>span{color:#cfe0ff}
.result-panel>strong{display:block;font-size:38px;margin:4px 0 10px}
.result-panel #resultDetails{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px;font-size:14px;color:#e4edff}
.result-panel #resultDetails div{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.18);padding-top:7px}
.formula{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}
.formula p{color:var(--muted);margin:5px 0 0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px}
footer{background:#0c1b31;color:#d7e2f0;padding:58px max(24px,calc((100% - 1132px)/2)) 28px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
footer .brand-mark{background:#fff;color:var(--blue)}
footer .footer-brand{color:#fff}
footer .footer-brand small{color:#9db0c8;letter-spacing:0;font-size:11px}
footer p{color:#9db0c8;max-width:480px;font-size:14px}
footer h3{font-size:14px;color:#fff;margin:0 0 12px}
footer a{display:block;color:#b8c8da;margin:8px 0}
.copyright{grid-column:1/-1;border-top:1px solid #263951;padding-top:24px;color:#7f93aa;font-size:13px}
@media(max-width:900px){.site-header nav a:not(:last-child){display:none}
.hero{grid-template-columns:1fr;gap:38px;padding-top:45px}
.finder{grid-template-columns:1fr}
.calc-grid{grid-template-columns:repeat(2,1fr)}
.section-title,.explain>div:first-child{display:block}
.section-title p{margin-top:7px}
.explain-grid{grid-template-columns:1fr}
.filter-row{overflow:auto}
}
@media(max-width:620px){.site-header{height:68px;padding:0 18px}
.site-header nav a:last-child{font-size:12px}
.hero{padding:36px 18px 45px}
.hero h1{font-size:44px}
.hero-copy>p{font-size:17px}
.quick-card{padding:22px}
.field-row{grid-template-columns:1fr}
.calculator-sections{padding:52px 18px}
.calc-grid{grid-template-columns:1fr}
.calc-card{min-height:auto}
.modal{padding:10px}
.modal-panel{padding:28px 20px;border-radius:17px}
.calc-form{grid-template-columns:1fr}
.result-panel #resultDetails{grid-template-columns:1fr}
footer{grid-template-columns:1fr}
.copyright{grid-column:1}
.filter-row{padding-bottom:3px}
}

/* AblePro brand assets and calculator learning content */
.brand,.footer-brand{gap:0}
.brand img{display:block;width:230px;height:auto}
.footer-brand img{display:block;width:250px;max-width:100%;height:auto}
.learn{max-width:1180px;margin:0 auto;padding:14px 24px 76px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.guide-grid article{border:1px solid var(--line);border-radius:17px;padding:24px;background:#fff}
.guide-grid article>span{font-size:11px;letter-spacing:.13em;color:var(--blue);font-weight:850}
.guide-grid h3{font-size:19px;margin:10px 0 8px}
.guide-grid p{color:var(--muted);font-size:14px}
.guide-grid button{border:0;background:transparent;color:var(--blue);font-weight:800;padding:5px 0}
.faq{margin-top:55px;max-width:850px}
.faq h2{font-size:30px;letter-spacing:-.03em}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{font-weight:800;cursor:pointer}
.faq details p{color:var(--muted);margin:9px 0 0}
@media(max-width:900px){.guide-grid{grid-template-columns:1fr}}
@media(max-width:620px){.brand img{width:185px}.learn{padding-left:18px;padding-right:18px}}

/* Dedicated calculator pages */
.calc-card{text-decoration:none;color:inherit}
.text-button,.guide-grid a{display:inline-block;text-decoration:none;color:var(--blue);font-weight:800;padding:5px 0}
.calculator-page{max-width:1180px;margin:0 auto;padding:34px 24px 80px;overflow:visible}
.breadcrumbs{display:flex;gap:9px;align-items:center;color:#748196;font-size:13px;text-transform:capitalize;margin-bottom:34px}
.breadcrumbs a{color:var(--blue);text-decoration:none}
.page-intro{max-width:760px;margin-bottom:30px}
.page-intro h1{font-size:clamp(38px,5vw,58px);line-height:1.05;letter-spacing:-.045em;margin:0 0 15px}
.page-intro p{font-size:18px;color:var(--muted);margin:0}
.calculator-workspace{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;align-items:start;margin-bottom:54px}
.calculator-inputs{border:1px solid var(--line);border-radius:20px;padding:28px;background:#fff;box-shadow:0 14px 40px rgba(15,35,70,.08)}
.calculator-inputs h2{margin:0 0 20px;font-size:24px}
.page-result{margin:0;min-height:210px;position:sticky;top:24px}
.page-formula{border:0;background:var(--soft);border-radius:18px;padding:28px;margin:0 0 24px}
.page-formula h2{font-size:27px;margin:0 0 12px}
.page-formula>p:not(.formula-code){font-family:inherit;font-size:16px;line-height:1.6}
.formula-code{background:#fff;border:1px solid #dce8f8;border-radius:10px;padding:14px 16px;color:#25456c!important}
.page-content-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:58px}
.page-content-grid article{border:1px solid var(--line);border-radius:17px;padding:26px}
.page-content-grid h2{margin-top:0;font-size:23px}
.page-content-grid p,.page-content-grid li{color:var(--muted)}
.page-content-grid li{margin-bottom:10px}
.related h2{font-size:30px;margin:0 0 18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-grid a{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:15px;padding:20px;text-decoration:none;color:var(--ink)}
.related-grid a:hover{border-color:#a8c9fa;box-shadow:0 10px 25px rgba(22,58,111,.08)}
.related-grid span{font-size:10px;letter-spacing:.12em;color:var(--blue);font-weight:850}
.related-grid b{font-size:18px;margin:5px 0}
.related-grid small{color:var(--muted);font-size:13px;line-height:1.45}
@media(max-width:800px){.calculator-workspace,.page-content-grid{grid-template-columns:1fr}.page-result{position:static}.related-grid{grid-template-columns:1fr}}
@media(max-width:620px){.calculator-page{padding:24px 18px 56px}.calculator-inputs{padding:21px}.page-intro h1{font-size:38px}}
.calc-form .full{grid-column:1/-1}
.calc-actions{display:flex;gap:10px;margin-top:18px}
.reset-button{border:1px solid #cbd6e5;background:#fff;color:#465365;border-radius:10px;padding:10px 18px;font-weight:800}
.reset-button:hover{border-color:var(--blue2);color:var(--blue)}
.result-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:16px}
.copy-button{border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.12);color:#fff;border-radius:999px;padding:9px 16px;font-size:14px;font-weight:800}
.copy-button:hover:not(:disabled){background:#fff;color:var(--blue)}
.copy-button:disabled{opacity:.5;cursor:not-allowed}
.copy-status{font-size:13px;font-weight:700;color:#e4edff}