:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#18233b;background:#fff;font-size:16px;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px}button,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.shell{width:min(1200px,calc(100% - 48px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:3px solid #798dff;outline-offset:3px}
.site-header{height:76px;background:#101a35;color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.brand{display:inline-flex;align-items:center;gap:11px;font-size:1.13rem;font-weight:750;letter-spacing:-.04em;white-space:nowrap}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:#c9f55a;color:#101a35;font-size:1.7rem;line-height:1;font-family:Georgia,serif;font-weight:700}.brand-dot{color:#c9f55a}.site-header nav{display:flex;gap:32px;align-items:center;font-size:.92rem;font-weight:600}.site-header nav a{color:#aeb7c9}.site-header nav a:hover,.site-header nav a.active{color:#fff}
.hero{background:#101a35;color:#fff;padding:76px 0 151px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-130px;top:-180px;width:590px;height:590px;border:1px solid rgba(201,245,90,.17);border-radius:50%;box-shadow:0 0 0 90px rgba(201,245,90,.025),0 0 0 180px rgba(201,245,90,.02);pointer-events:none}.hero-inner{position:relative;z-index:1}.eyebrow,.kicker,.step{font-size:.78rem;font-weight:800;letter-spacing:.13em}.eyebrow{display:flex;align-items:center;gap:11px;color:#c9f55a}.eyebrow-line{display:block;width:23px;height:1px;background:#c9f55a}.hero h1{font-size:clamp(3.1rem,7vw,5.6rem);line-height:1.04;letter-spacing:-.075em;margin:23px 0 17px;font-weight:760}.hero-copy{font-size:clamp(1.08rem,2vw,1.3rem);line-height:1.5;color:#c9d0df;margin:0}.hero-pills{display:flex;gap:9px;flex-wrap:wrap;margin-top:32px}.hero-pills span{border:1px solid rgba(255,255,255,.21);border-radius:999px;padding:8px 14px;color:#dce2ef;font-size:.8rem;font-weight:600}
.workspace{position:relative;margin-top:-86px;z-index:2}.calculator-card{display:grid;grid-template-columns:1.06fr .94fr;background:#fff;box-shadow:0 20px 60px rgba(12,24,51,.15);border:1px solid #e0e6ee;border-radius:18px;overflow:hidden;min-height:462px}.input-panel,.result-panel{padding:34px 38px 30px}.result-panel{background:#f4f7fb;border-left:1px solid #e3e9f1}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.step{color:#5267a3;margin:0 0 11px}.panel-heading h2{font-size:1.5rem;letter-spacing:-.04em;margin:0;line-height:1.2}.text-button{border:0;background:none;color:#3559ba;font-size:.87rem;font-weight:700;padding:4px 0;white-space:nowrap}.text-button:hover,.subtle-button:hover{color:#102e84;text-decoration:underline}.panel-intro{color:#657084;line-height:1.5;margin:17px 0 18px;font-size:.91rem}textarea{display:block;width:100%;height:217px;resize:vertical;border:1px solid #cbd5e4;border-radius:11px;background:#fff;color:#18233b;padding:17px 19px;font-size:1.04rem;line-height:1.55;outline:none;font-variant-numeric:tabular-nums}textarea::placeholder{color:#a2adbe;opacity:1}textarea:focus{border-color:#526bd0;box-shadow:0 0 0 3px rgba(82,107,208,.13)}textarea[aria-invalid=true]{border-color:#b43c50;box-shadow:0 0 0 3px rgba(180,60,80,.1)}.input-bottom{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:13px;color:#778196;font-size:.81rem}.subtle-button{border:0;background:none;color:#5065a1;font-weight:700;padding:2px;white-space:nowrap}.error-message{color:#a1283c;font-size:.88rem;line-height:1.4;margin:12px 0 0}.live-indicator{font-size:.68rem;font-weight:800;letter-spacing:.08em;color:#587554;white-space:nowrap;display:flex;align-items:center;gap:7px;margin-top:5px}.live-indicator span{width:7px;height:7px;background:#5cbe78;border-radius:50%}.total-box{margin-top:25px;background:#101a35;color:#fff;border-radius:13px;padding:23px 25px 18px;min-height:177px;display:flex;flex-direction:column;align-items:flex-start}.total-label{font-size:.73rem;letter-spacing:.14em;color:#aab4c9;font-weight:800}.total-box output{font-size:clamp(2.45rem,5vw,4rem);line-height:1.18;letter-spacing:-.07em;font-weight:750;max-width:100%;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;margin:7px 0 10px}.copy-button{border:0;background:none;color:#c9f55a;padding:0;font-size:.84rem;font-weight:700}.copy-button:disabled{color:#8390a9;cursor:not-allowed}.copy-button:not(:disabled):hover{text-decoration:underline}.stats-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:20px;border-top:1px solid #dce3ed;border-left:1px solid #dce3ed}.stats-grid div{min-height:68px;padding:12px 16px;border-right:1px solid #dce3ed;border-bottom:1px solid #dce3ed;display:flex;flex-direction:column;gap:4px}.stats-grid span{color:#6d788d;font-size:.78rem}.stats-grid output{font-size:1.12rem;font-weight:750;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.privacy-line{display:flex;gap:8px;align-items:center;font-size:.77rem;color:#718098;margin:17px 0 0}.privacy-line svg{width:15px;height:15px;flex:none}
.content-section{padding-top:107px;padding-bottom:97px}.section-lead{max-width:680px}.kicker{color:#405ab5;margin:0 0 15px}.section-lead h2,.example-inner h2,.faq-heading h2,.legal-page h1{font-size:clamp(2rem,4vw,3rem);line-height:1.15;letter-spacing:-.055em;margin:0;font-weight:750}.section-lead>p:last-child{color:#647087;line-height:1.75;font-size:1rem;margin:18px 0 0}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;margin-top:46px}.how-grid article{border-top:1px solid #cfd8e6;padding-top:23px}.how-num{font-weight:800;color:#4961be;font-size:.81rem}.how-grid h3{font-size:1.18rem;letter-spacing:-.03em;margin:23px 0 8px}.how-grid p{color:#657084;line-height:1.65;margin:0;font-size:.94rem}.example-section{background:#eef3fb;padding:74px 0}.example-inner{display:grid;grid-template-columns:1fr .86fr;align-items:center;gap:55px}.example-inner h2{max-width:620px}.example-inner p:last-child{color:#647087;line-height:1.7;margin:20px 0 0}.example-inner p strong{color:#18233b}.equation{border-radius:16px;background:#fff;padding:34px 32px;box-shadow:0 12px 34px rgba(36,56,99,.08);display:flex;flex-direction:column;gap:14px;transform:rotate(1.5deg)}.equation span{font-size:1.16rem;color:#667189;white-space:nowrap}.equation strong{font-size:3.7rem;letter-spacing:-.065em;color:#2948ad}.faq-section{padding-top:96px;padding-bottom:112px;display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}.faq-list{border-top:1px solid #d9e1eb}.faq-list details{border-bottom:1px solid #d9e1eb;padding:20px 0}.faq-list summary{cursor:pointer;font-weight:700;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";font-size:1.5rem;font-weight:400;color:#4961be;line-height:1}.faq-list details[open] summary:after{content:"−"}.faq-list p{color:#667189;line-height:1.65;margin:13px 35px 0 0;font-size:.94rem}
.site-footer{background:#101a35;color:#fff;padding:52px 0 38px}.footer-inner{display:grid;grid-template-columns:1fr auto;gap:45px;align-items:start}.footer-brand{font-size:1.1rem}.footer-inner p{color:#aeb8cb;margin:14px 0 0;font-size:.85rem}.footer-inner nav{display:flex;gap:28px;color:#c5cedd;font-size:.88rem;margin-top:10px}.footer-inner nav a:hover{text-decoration:underline;color:#fff}.footer-inner small{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.13);padding-top:24px;color:#8f9bb0;font-size:.76rem}
.footer-badge{display:inline-flex;margin-top:18px;opacity:.6;transition:opacity .2s ease}.footer-badge:hover,.footer-badge:focus-visible{opacity:1}.footer-badge img{display:block;width:140px;height:auto}
.legal-hero{background:#101a35;color:#fff;padding:72px 0 82px}.legal-hero .kicker{color:#c9f55a}.legal-hero h1{font-size:clamp(2.6rem,6vw,4.6rem);letter-spacing:-.065em;line-height:1.08;margin:0}.legal-hero p:last-child{max-width:690px;color:#c8d1e1;line-height:1.65;font-size:1.06rem;margin:19px 0 0}.legal-page{max-width:820px;padding-top:67px;padding-bottom:107px}.legal-page h2{font-size:1.45rem;letter-spacing:-.035em;margin:40px 0 12px}.legal-page p,.legal-page li{color:#536078;line-height:1.8}.legal-page p{margin:0 0 16px}.legal-page ul{padding-left:22px}.legal-page a{color:#3154bb;text-decoration:underline}.legal-page .updated{color:#7a879c;font-size:.85rem;margin-bottom:34px}.legal-page .note{background:#eef3fb;border-left:3px solid #5470ce;padding:16px 20px;border-radius:0 8px 8px 0}
@media(min-width:901px) and (max-height:1050px){.hero{padding:35px 0 88px}.hero h1{font-size:clamp(3.1rem,6vw,4.6rem);margin:13px 0 11px}.hero-pills{margin-top:16px}.workspace{margin-top:-70px}}
@media(max-width:900px){.calculator-card{grid-template-columns:1fr}.result-panel{border-left:0;border-top:1px solid #e3e9f1}.example-inner{grid-template-columns:1fr;gap:35px}.faq-section{grid-template-columns:1fr;gap:30px}.equation{max-width:470px}.content-section{padding-top:75px}}@media(max-width:600px){.shell{width:min(100% - 32px,1200px)}.site-header{height:66px}.brand{font-size:.98rem;gap:8px}.brand-mark{width:30px;height:30px;font-size:1.45rem}.site-header nav{gap:17px;font-size:.83rem}.hero{padding:36px 0 105px}.hero h1{font-size:3.1rem;margin:17px 0 12px}.hero-pills{display:none}.workspace{margin-top:-75px}.calculator-card{border-radius:13px}.input-panel,.result-panel{padding:20px 22px}.panel-heading h2{font-size:1.32rem}.panel-intro{font-size:.88rem;margin:12px 0}textarea{height:135px}.total-box{min-height:157px}.total-box output{font-size:3.2rem}.content-section{padding-top:69px;padding-bottom:68px}.how-grid{grid-template-columns:1fr;gap:23px;margin-top:30px}.how-grid h3{margin-top:13px}.example-section{padding:58px 0}.equation{padding:28px 24px;transform:none}.equation span{font-size:.94rem}.equation strong{font-size:3rem}.faq-section{padding-top:70px;padding-bottom:80px}.footer-inner{grid-template-columns:1fr;gap:28px}.footer-inner nav{margin:0;flex-wrap:wrap;gap:16px 22px}.footer-inner small{grid-column:1}.legal-hero{padding:54px 0 61px}.legal-page{padding-top:46px;padding-bottom:80px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}