:root{--ink:#211b35;--muted:#665c77;--purple:#6444a4;--purple-dark:#4c2d8b;--lavender:#efeafa;--pale:#f8f6fc;--line:#dcd5e9;--white:#fff;--amber:#fff2d8;--danger:#a12a3b;--radius:20px;font-family:system-ui,-apple-system,'Segoe UI','Malgun Gothic',sans-serif;color:var(--ink);background:var(--pale);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;line-height:1.65}a{color:var(--purple-dark);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #9a71ea;outline-offset:3px}[hidden]{display:none!important}.skip-link{position:fixed;top:-80px;left:16px;background:var(--white);padding:10px 18px;z-index:20}.skip-link:focus{top:12px}.shell{width:min(1180px,calc(100% - 48px));margin-inline:auto}.site-header{border-bottom:1px solid var(--line);background:var(--white)}.nav{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{text-decoration:none;color:var(--ink);font-weight:800;font-size:20px;letter-spacing:-.04em;display:flex;gap:10px;align-items:center}.brand img{width:34px;height:34px}.nav-links{display:flex;gap:24px;align-items:center}.nav-links a{font-size:14px;text-decoration:none;color:var(--muted)}.nav-links a:hover{color:var(--purple)}.nav-links .nav-contact{border:1px solid var(--line);padding:9px 16px;border-radius:999px;color:var(--ink)}.hero{display:grid;grid-template-columns:1.3fr .8fr;gap:60px;align-items:center;padding:70px 0 58px}.eyebrow{font-size:13px;font-weight:750;color:var(--purple);letter-spacing:.04em;margin:0 0 15px}.hero h1{font-size:clamp(33px,4.5vw,54px);line-height:1.23;letter-spacing:-.055em;margin:0 0 22px;font-weight:820}.hero .lead{font-size:17px;color:var(--muted);max-width:570px;margin:0 0 25px}.hero-links{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:12px;background:var(--white);color:var(--ink);padding:12px 19px;font-weight:700;font-size:14px;text-decoration:none;min-height:46px}.button:hover{background:var(--lavender)}.button.primary{background:var(--purple);color:var(--white);border-color:var(--purple)}.button.primary:hover{background:var(--purple-dark)}.button.quiet{background:transparent}.hero-note{font-size:12px;color:var(--muted);margin:18px 0 0}.formula-visual{background:var(--ink);color:#fff;border-radius:28px;padding:32px;box-shadow:0 18px 50px #3d245c12;transform:rotate(-2deg)}.visual-label{font-size:12px;color:#d9cbed;margin:0 0 24px}.formula-row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid #655576;color:#eae3f5;gap:12px}.formula-row span:last-child{font-size:12px;color:#cbbcdf}.formula-row.total{border:0;color:white;font-size:23px;font-weight:750;padding-bottom:0}.formula-row.total span:last-child{color:#d4b9ff;font-size:23px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.section-title h2{font-size:25px;letter-spacing:-.035em;margin:0}.section-title p{margin:3px 0 0;color:var(--muted);font-size:14px}.step-label{font-size:12px;color:var(--purple);font-weight:800;margin:0 0 6px}.tool-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:24px}.basis-grid{display:grid;grid-template-columns:180px 1fr;gap:22px}.field{margin:0 0 17px;min-width:0}.field label{display:block;font-size:13px;font-weight:700;margin:0 0 7px}.field .hint,.hint{font-size:12px;color:var(--muted);margin:6px 0 0}input,select,textarea{width:100%;max-width:100%;min-width:0;border:1px solid #cfc6df;border-radius:10px;padding:10px 12px;color:var(--ink);background:var(--white);font-size:14px;min-height:43px}input[aria-invalid=true]{border-color:var(--danger);background:#fff8f9}input::placeholder,textarea::placeholder{color:#8b8098;opacity:1}textarea{resize:vertical}.checkbox-label{display:flex;gap:10px;align-items:flex-start;font-size:14px;max-width:850px}.checkbox-label input{width:18px;min-height:18px;height:18px;flex:none;margin-top:4px;accent-color:var(--purple)}.privacy-line{margin:19px 0 0;padding-top:17px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.quote-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-width:0}.quote-head{display:flex;align-items:center;gap:11px;margin-bottom:23px}.quote-letter{width:36px;height:36px;display:grid;place-items:center;background:var(--lavender);color:var(--purple-dark);border-radius:10px;font-weight:800}.quote-head h3{margin:0;font-size:18px}.remove-quote{margin-left:auto;background:none;border:none;color:var(--muted);font-size:12px;padding:8px}.amount-wrap{position:relative}.amount-wrap input{padding-right:58px}.amount-wrap>span{position:absolute;right:13px;top:10px;color:var(--muted);font-size:13px}.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field-pair .field{min-width:0}.field-message{font-size:12px;color:var(--danger);margin:6px 0 0;min-height:0}.field-message:empty{display:none}.subfield{padding:12px;background:var(--pale);border-radius:10px;margin-top:9px}.subfield label{font-size:12px}.section-divider{border:0;border-top:1px solid var(--line);margin:22px 0}.tool-toolbar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;margin:20px 0 0}.toolbar-group{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.quote-count{font-size:13px;color:var(--muted)}.example-notice{background:var(--amber);border:1px solid #e5cc95;border-radius:12px;padding:14px 18px;font-size:13px;margin-bottom:20px}.actions-message{min-height:25px;font-size:13px;color:var(--purple-dark);margin:15px 0 0;overflow-wrap:anywhere}.results{padding:55px 0;scroll-margin-top:20px}.results .section-title{align-items:flex-start}.result-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.result-card{background:var(--lavender);border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-width:0}.result-card h3{font-size:18px;margin:0 0 9px;overflow-wrap:anywhere}.result-badge{display:inline-block;border:1px solid #c9bcdb;border-radius:999px;padding:3px 10px;font-size:11px;color:#5c4d6e;background:#f8f5fd}.result-badge.ready{background:#fff;color:var(--purple-dark)}.result-badge.error{background:#fff0f2;color:var(--danger);border-color:#e3a5b0}.net-amount{font-size:clamp(21px,2.4vw,31px);font-weight:800;letter-spacing:-.035em;line-height:1.3;margin:19px 0 3px;overflow-wrap:anywhere}.muted{color:var(--muted)}.small{font-size:12px}.result-card .small{margin-top:0}dl{display:grid;grid-template-columns:minmax(90px,.8fr) minmax(0,1.4fr);gap:11px 15px;font-size:13px;border-top:1px solid #d1c5e0;padding-top:20px;margin:22px 0 0}dt{color:var(--muted)}dd{margin:0;text-align:right;overflow-wrap:anywhere}.result-note{border-top:1px solid #d1c5e0;padding-top:15px;margin-bottom:0;font-size:12px;color:var(--muted);overflow-wrap:anywhere}.result-tools{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.text-details{margin-top:20px}.text-details summary{cursor:pointer;font-size:13px;color:var(--muted);padding:10px 0}.text-details textarea{min-height:220px;font-size:13px;background:white}.learning{padding:35px 0 65px;border-top:1px solid var(--line)}.reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.reading-card{display:block;text-decoration:none;background:white;border:1px solid var(--line);padding:25px;border-radius:var(--radius);color:var(--ink)}.reading-card:hover{border-color:var(--purple)}.reading-card .eyebrow{margin:0 0 8px}.reading-card h3{font-size:19px;letter-spacing:-.035em;margin:0 0 12px}.reading-card p{font-size:14px;color:var(--muted);margin:0}.faq-list{margin-top:30px}.faq-list details{padding:16px 0;border-bottom:1px solid var(--line)}.faq-list summary{font-weight:700;cursor:pointer;font-size:14px}.faq-list details p{font-size:14px;color:var(--muted);max-width:860px}.site-footer{background:var(--ink);color:#e9e3f0;padding:35px 0}.footer-inner{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}.site-footer p{font-size:12px;margin:6px 0;max-width:760px;color:#d1c6df}.site-footer a{color:#eee5fd}.site-footer strong{font-size:14px}.mobile-contact{display:none}.article{max-width:820px;margin:0 auto;padding:55px 0 65px}.breadcrumbs{font-size:12px;color:var(--muted);margin:0 0 24px}.article h1{font-size:clamp(29px,4vw,42px);line-height:1.3;letter-spacing:-.045em;margin:0 0 18px}.article .intro{font-size:17px;color:var(--muted)}.article .byline{font-size:12px;color:var(--muted);margin:22px 0 30px}.article h2{font-size:24px;letter-spacing:-.03em;margin:42px 0 15px;line-height:1.4}.article h3{font-size:18px;margin-top:26px}.article p,.article li{font-size:15px}.article li{margin:10px 0}.article ol,.article ul{padding-left:24px}.article .callout{background:var(--lavender);border-left:4px solid var(--purple);padding:20px 23px;border-radius:0 12px 12px 0;margin:25px 0}.article .callout p{margin:0}.article .example-block{border:1px solid var(--line);border-radius:15px;padding:22px;background:#fff;margin:18px 0}.example-block h3{margin-top:0}.example-math{font-size:19px!important;font-weight:750;overflow-wrap:anywhere}.article .read-next{border-top:1px solid var(--line);margin-top:42px;padding-top:25px}.noscript{padding:20px;border:1px solid #dda6b2;background:#fff4f5;border-radius:12px;margin:20px 0}.empty-page{padding:85px 0;max-width:760px}.empty-page h1{font-size:40px;line-height:1.25}.empty-page p{color:var(--muted)}
@media(min-width:1100px){.cards:has(.quote-card:nth-child(3)),.result-cards:has(.result-card:nth-child(3)){grid-template-columns:repeat(3,minmax(0,1fr))}.cards:has(.quote-card:nth-child(4)),.result-cards:has(.result-card:nth-child(4)){grid-template-columns:repeat(2,minmax(0,1fr))}.cards:has(.quote-card:nth-child(3)):not(:has(.quote-card:nth-child(4))) .field-pair{grid-template-columns:1fr}}
@media(max-width:760px){.shell{width:min(100% - 32px,680px)}body{padding-bottom:70px}.nav{min-height:70px;gap:15px;flex-wrap:wrap;padding:14px 0}.brand{font-size:18px}.brand img{width:30px;height:30px}.nav-links{gap:14px}.nav-links a{font-size:12px}.nav-links .nav-contact{display:none}.hero{grid-template-columns:1fr;gap:28px;padding:40px 0}.hero h1{font-size:35px}.hero .lead{font-size:16px}.formula-visual{transform:none;padding:23px}.visual-label{margin-bottom:10px}.formula-row{padding:9px 0}.formula-row.total,.formula-row.total span:last-child{font-size:20px}.basis-grid{grid-template-columns:1fr;gap:0}.cards,.result-cards,.reading-grid{grid-template-columns:1fr}.tool-panel,.quote-card,.result-card{padding:20px}.field-pair{grid-template-columns:1fr;gap:0}.tool-toolbar{align-items:flex-start}.section-title{align-items:flex-start;gap:15px}.section-title h2{font-size:23px}.section-title p{font-size:13px}.results{padding:38px 0}.results .section-title{display:block}.footer-inner{display:block}.site-footer{padding:28px 0}.mobile-contact{display:flex;align-items:center;justify-content:space-between;gap:12px;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);padding:10px 16px max(10px,env(safe-area-inset-bottom));z-index:10;box-shadow:0 -5px 20px #2e1d4e0b}.mobile-contact span{font-size:11px;color:var(--muted)}.mobile-contact a{background:var(--purple);color:#fff;text-decoration:none;padding:10px 15px;border-radius:10px;font-weight:700;font-size:13px;white-space:nowrap}.article{padding:35px 0}.article h2{font-size:22px}.article p,.article li{font-size:15px}.net-amount{font-size:28px}.learning{padding-bottom:38px}input,select,textarea{font-size:16px}.button{padding:11px 15px}}
@media(max-width:380px){.shell{width:calc(100% - 24px)}.nav-links{gap:10px}.hero h1{font-size:31px}.tool-panel,.quote-card,.result-card{padding:17px}.toolbar-group{gap:8px}.net-amount{font-size:24px}.brand{font-size:17px}}
.confirmation-dialog{width:min(440px,calc(100vw - 32px));max-width:calc(100vw - 32px);border:1px solid var(--line);border-radius:20px;background:var(--white);color:var(--ink);padding:25px;box-shadow:0 24px 80px #211b3538}.confirmation-dialog::backdrop{background:#211b3570}.confirmation-dialog h2{font-size:20px;letter-spacing:-.03em;margin:0 0 15px}.confirmation-dialog p{font-size:14px;line-height:1.7;overflow-wrap:anywhere;margin:0 0 24px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}