:root{color-scheme:light;--ink:#0a1225;--ink-soft:#34405a;--gold:#e8a817;--gold-bright:#ffc940;--cream:#fbf8ef;--paper:#fff;--line:#dfe3eb;--muted:#f1f3f7;--success:#227657;--danger:#a43d42;--radius:22px;--shadow:0 24px 70px #0a12251f;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--cream);color:var(--ink);margin:0;line-height:1.6}a{color:inherit}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.shell{width:min(1160px,100% - 40px);margin-inline:auto}.skip-link{z-index:100;background:var(--ink);color:#fff;border-radius:10px;padding:12px 18px;position:fixed;top:-60px;left:16px}.skip-link:focus{top:16px}.site-header{z-index:20;background:color-mix(in srgb, var(--cream) 88%, transparent);backdrop-filter:blur(16px);border-bottom:1px solid #dfe3ebcc;position:sticky;top:0}.nav-shell{justify-content:space-between;align-items:center;gap:28px;min-height:74px;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:11px;font-weight:800;text-decoration:none;display:inline-flex}.brand img{border-radius:10px}.site-header nav,.site-footer nav{align-items:center;gap:24px;display:flex}.site-header nav a,.site-footer nav a{color:var(--ink-soft);font-size:.94rem;font-weight:650;text-decoration:none}.site-header nav a:hover,.site-footer nav a:hover{color:var(--ink)}.hero{grid-template-columns:.86fr 1.14fr;align-items:center;gap:clamp(44px,7vw,96px);padding-block:clamp(72px,10vw,124px);display:grid}.hero-copy h1,.page-hero h1,.empty-page h1{letter-spacing:-.055em;max-width:760px;margin:12px 0 20px;font-family:Georgia,Times New Roman,serif;font-size:clamp(3.2rem,7vw,6.2rem);font-weight:500;line-height:.95}.hero-copy h1 em{color:var(--gold);font-style:italic}.hero-copy>p{max-width:580px;color:var(--ink-soft);margin:0;font-size:clamp(1.08rem,2vw,1.25rem)}.eyebrow{color:#9a6810;letter-spacing:.14em;text-transform:uppercase;font-size:.76rem;font-weight:850;display:block}.hero-actions{flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px;display:flex}.primary-button,.secondary-button{cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;min-height:46px;font-weight:800;text-decoration:none;display:inline-flex}.primary-button{background:var(--ink);color:#fff;padding:13px 19px;box-shadow:0 9px 24px #0a122529}.primary-button:hover{background:#172441;transform:translateY(-1px)}.secondary-button{color:var(--ink);background:#fff;border:1px solid #cbd1dc;padding:10px 13px;font-size:.88rem}.secondary-button:disabled{cursor:wait;opacity:.6}.text-link{font-weight:750;text-decoration:none}.trust-list{color:var(--ink-soft);flex-wrap:wrap;gap:8px 18px;margin:30px 0 0;padding:0;font-size:.9rem;list-style:none;display:flex}.trust-list li:before{content:"✓";color:var(--success);margin-right:7px;font-weight:900}.calculator-card{border-radius:var(--radius);background:var(--ink);color:#fff;box-shadow:var(--shadow);border:1px solid #ffffff2e;padding:clamp(20px,4vw,34px);position:relative;overflow:hidden}.calculator-card:before{content:"";background:var(--gold);filter:blur(12px);opacity:.16;border-radius:50%;width:280px;height:280px;position:absolute;top:-150px;right:-120px}.card-heading{justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:24px;display:flex;position:relative}.card-heading h2{letter-spacing:-.035em;max-width:390px;margin:5px 0 0;font-size:clamp(1.35rem,3vw,2rem);line-height:1.15}.calculator-card .eyebrow{color:var(--gold-bright)}.live-badge{color:#d9deea;background:#18233a;border:1px solid #405071;border-radius:999px;flex:none;padding:7px 10px;font-size:.74rem;font-weight:800}.calculator-form{gap:16px;display:grid;position:relative}.calculator-form label{color:#cfd5e2;gap:7px;font-size:.82rem;font-weight:750;display:grid}.field-pair{grid-template-columns:1fr 1fr;gap:14px;display:grid}.calculator-form input,.calculator-form select{color:#fff;background:#141e33;border:1px solid #3b4965;border-radius:11px;outline:none;width:100%;min-height:48px;padding:10px 12px}.calculator-form input:focus,.calculator-form select:focus{border-color:var(--gold-bright);box-shadow:0 0 0 3px #ffc94029}.input-prefix,.input-suffix{background:#141e33;border:1px solid #3b4965;border-radius:11px;align-items:center;min-height:48px;display:flex}.input-prefix:focus-within,.input-suffix:focus-within{border-color:var(--gold-bright);box-shadow:0 0 0 3px #ffc94029}.input-prefix b,.input-suffix b{color:#aeb8cb;padding-inline:12px}.input-prefix input,.input-suffix input{border:0;min-height:44px;padding-inline:0;box-shadow:none!important}.spot-row{grid-template-columns:1fr auto;gap:10px;display:grid}.field-error{color:#ffbdc0;background:#d64b5326;border-radius:9px;margin:0;padding:9px 12px;font-size:.86rem}.result-panel{color:var(--ink);background:#fff;border-radius:16px;margin-top:24px;padding:22px;position:relative}.result-primary{border-bottom:1px solid var(--line);justify-content:space-between;align-items:end;gap:16px;padding-bottom:18px;display:flex}.result-primary span{color:var(--ink-soft);font-size:.9rem}.result-primary strong{letter-spacing:-.05em;font-size:clamp(2rem,5vw,3.1rem);line-height:1}.result-grid{grid-template-columns:repeat(2,1fr);gap:14px 20px;padding-top:18px;display:grid}.result-grid div{gap:2px;display:grid}.result-grid span{color:var(--ink-soft);font-size:.78rem}.result-grid b{font-size:.98rem}.result-meta{color:var(--ink-soft);margin:18px 0 0;font-size:.75rem;line-height:1.45}.proof-strip{border-block:1px solid var(--line);background:var(--paper)}.proof-grid{grid-template-columns:repeat(3,1fr);padding-block:24px;display:grid}.proof-grid div{border-right:1px solid var(--line);text-align:center;place-items:center;gap:2px;display:grid}.proof-grid div:last-child{border-right:0}.proof-grid strong{letter-spacing:-.03em;font-size:1.35rem}.proof-grid span{color:var(--ink-soft);font-size:.78rem}.content-section{padding-block:clamp(72px,9vw,116px)}.section-heading{max-width:670px;margin-bottom:42px}.section-heading h2,.two-column h2{letter-spacing:-.045em;margin:7px 0 14px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.3rem,5vw,4rem);font-weight:500;line-height:1.02}.section-heading p,.two-column p{color:var(--ink-soft);font-size:1.06rem}.steps-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.steps-grid article{border:1px solid var(--line);background:var(--paper);border-radius:18px;min-height:250px;padding:24px}.steps-grid article>span{color:var(--gold);font-weight:900}.steps-grid h3{margin:36px 0 8px;font-size:1.05rem}.steps-grid p{color:var(--ink-soft);margin:0;font-size:.92rem}.muted-section{background:var(--ink);color:#fff}.muted-section .eyebrow{color:var(--gold-bright)}.muted-section p{color:#b9c2d5}.two-column{grid-template-columns:.8fr 1.2fr;align-items:center;gap:70px;display:grid}.guide-list{gap:10px;display:grid}.guide-list a{background:#101b30;border:1px solid #33415f;border-radius:13px;justify-content:space-between;gap:20px;padding:18px 20px;text-decoration:none;display:flex}.guide-list a:hover{border-color:var(--gold)}.guide-list b{color:var(--gold-bright);font-size:.88rem}.faq-section{max-width:840px}.faq-section details{border-top:1px solid var(--line);padding-block:19px}.faq-section details:last-child{border-bottom:1px solid var(--line)}.faq-section summary{cursor:pointer;font-weight:800}.faq-section details p{color:var(--ink-soft)}.page-hero{padding-block:82px 40px}.compact-hero h1{max-width:880px;font-size:clamp(3rem,7vw,5.3rem)}.compact-hero p{max-width:700px;color:var(--ink-soft);font-size:1.1rem}.calculator-page-grid{grid-template-columns:1.15fr .85fr;align-items:start;gap:24px;padding-bottom:100px;display:grid}.formula-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:28px}.formula-card h2{letter-spacing:-.03em;margin:8px 0}.formula-card code{background:var(--muted);white-space:normal;border-radius:10px;padding:14px;display:block}.formula-card p,.formula-card li{color:var(--ink-soft)}.legal-page{max-width:780px;padding-block:86px 110px}.legal-page h1{letter-spacing:-.05em;margin:10px 0 28px;font-family:Georgia,serif;font-size:clamp(3rem,7vw,5rem);font-weight:500}.legal-page h2{margin-top:34px}.legal-page p,.legal-page li{color:var(--ink-soft)}.inline-button{width:fit-content}.empty-page{flex-direction:column;justify-content:center;align-items:flex-start;min-height:65vh;display:flex}.empty-page h1{font-size:clamp(3rem,7vw,5rem)}.site-footer{border-top:1px solid var(--line);background:var(--paper);padding-block:52px 26px}.footer-grid{justify-content:space-between;align-items:center;gap:28px;display:flex}.footer-grid p{color:var(--ink-soft);margin:8px 0 0;font-size:.9rem}.legal-note{border-top:1px solid var(--line);color:var(--ink-soft);justify-content:space-between;gap:30px;margin-top:40px;padding-top:22px;font-size:.72rem;display:flex}.legal-note p:first-child{max-width:650px}@media (width<=900px){.hero,.two-column,.calculator-page-grid{grid-template-columns:1fr}.hero{padding-top:68px}.hero-copy h1{max-width:720px}.steps-grid{grid-template-columns:repeat(2,1fr)}.two-column{gap:32px}}@media (width<=620px){.shell{width:min(100% - 24px,1160px)}.site-header nav a:not(:first-child){display:none}.hero{padding-block:52px 70px}.hero-copy h1{font-size:clamp(3rem,16vw,4.5rem)}.field-pair,.spot-row,.result-grid{grid-template-columns:1fr}.spot-row .secondary-button{width:100%}.result-primary{flex-direction:column;align-items:flex-start}.proof-grid{grid-template-columns:1fr}.proof-grid div{border-right:0;border-bottom:1px solid var(--line);padding-block:14px}.proof-grid div:last-child{border-bottom:0}.steps-grid{grid-template-columns:1fr}.steps-grid article{min-height:200px}.footer-grid,.legal-note{flex-direction:column;align-items:flex-start}.site-footer nav{flex-wrap:wrap}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}