:root {
  --blue-950:#062b55; --blue-900:#063f7a; --blue-800:#0756a4; --blue-700:#1471c5; --blue-100:#eaf4ff;
  --ink:#162438; --muted:#5f6f82; --line:#dfe8f1; --surface:#fff; --surface-soft:#f6f9fc;
  --success:#107451; --danger:#b42318; --shadow:0 12px 32px rgba(19,54,89,.10); --radius:16px; --radius-sm:10px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--surface);color:var(--ink);font:16px/1.58 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif} a{color:var(--blue-800);text-decoration:none} a:hover{text-decoration:underline} button,input,textarea,select{font:inherit} button{cursor:pointer}.container{width:min(1160px,calc(100% - 40px));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}.skip-link{position:fixed;top:8px;left:8px;z-index:100;background:#fff;color:var(--blue-900);padding:10px 14px;border-radius:8px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;z-index:30;top:0;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(9px)}.header-inner{min-height:70px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-size:17px;letter-spacing:-.02em;white-space:nowrap}.brand:hover{text-decoration:none}.brand strong{color:var(--blue-800)}.brand-mark{width:31px;height:31px;display:grid;place-items:center;border-radius:9px;background:linear-gradient(145deg,var(--blue-700),var(--blue-950));color:#fff;font-size:11px;font-weight:800;letter-spacing:-.05em}.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}.main-nav a{padding:9px 10px;border-radius:8px;color:#30445c;font-size:14px;font-weight:650}.main-nav a:hover,.main-nav a.is-active{color:var(--blue-800);background:var(--blue-100);text-decoration:none}.nav-toggle{display:none;margin-left:auto;border:0;background:transparent;color:var(--blue-900);font-size:24px}
.hero{background:radial-gradient(circle at 80% 16%,rgba(83,170,255,.22),transparent 34%),linear-gradient(122deg,#06366a 0%,#075db1 62%,#0d6dc0 100%);color:#fff}.hero--home{padding:75px 0 70px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,.68fr);align-items:center;gap:64px}.eyebrow{margin:0 0 9px;color:var(--blue-700);font-size:12px;font-weight:800;letter-spacing:.11em}.hero .eyebrow,.cta-section .eyebrow{color:#b9dcff}.hero h1{margin:0;max-width:720px;font-size:clamp(34px,4.7vw,59px);line-height:1.08;letter-spacing:-.045em}.hero-copy{max-width:650px;margin:20px 0 27px;font-size:18px;color:#e4f2ff}.hero-search{position:relative;display:flex;max-width:685px;padding:6px;border-radius:13px;background:#fff;box-shadow:0 12px 30px rgba(0,20,50,.22)}.hero-search input{min-width:0;flex:1;border:0;outline:0;padding:10px 13px;color:var(--ink)}.hero-search .button{white-space:nowrap}.search-hint{margin:10px 4px 0;font-size:13px;color:#cae6ff}.search-results{position:absolute;z-index:5;right:0;left:0;top:calc(100% + 8px);border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.search-results a{display:block;padding:11px 14px;color:var(--ink);font-size:14px}.search-results a:hover{background:var(--blue-100);text-decoration:none}.search-results small{display:block;color:var(--muted)}.hero-panel{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:16px;border:1px solid rgba(255,255,255,.24);border-radius:20px;background:rgba(255,255,255,.1);box-shadow:inset 0 1px rgba(255,255,255,.14)}.hero-stat{grid-column:1/-1;padding:9px 9px 15px}.hero-stat strong{display:block;font-size:36px;line-height:1}.hero-stat span{font-size:13px;color:#dcefff}.hero-panel>a{display:grid;gap:3px;padding:15px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:rgba(0,37,80,.16);color:#fff;font-size:14px;font-weight:700}.hero-panel>a:hover{background:rgba(255,255,255,.16);text-decoration:none}.hero-panel>a span{font-size:22px;color:#d3ecff}
.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid var(--blue-800);border-radius:9px;background:var(--blue-800);color:#fff;padding:11px 16px;font-size:14px;font-weight:750;line-height:1.2;transition:.18s ease}.button:hover{background:var(--blue-900);color:#fff;text-decoration:none;transform:translateY(-1px)}.button--ghost{background:transparent;color:var(--blue-800)}.button--ghost:hover{background:var(--blue-100);color:var(--blue-900)}.button--small{padding:8px 12px;font-size:13px}.button--light{background:#fff;color:var(--blue-900);border-color:#fff}.button--light:hover{background:#edf7ff;color:var(--blue-950)}
.section{padding:68px 0}.section--muted{background:var(--surface-soft)}.section-heading,.listing-toolbar{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}.section-heading h2,.listing-toolbar h2{margin:0;font-size:clamp(25px,3vw,34px);line-height:1.15;letter-spacing:-.035em}.section-heading .eyebrow{margin-bottom:5px}.text-link{font-size:14px;font-weight:750}.text-link span{margin-left:3px}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.tool-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-card{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;transition:.18s ease}.tool-card:hover{border-color:#b7d7f3;box-shadow:0 11px 24px rgba(16,66,112,.1);transform:translateY(-2px)}.tool-card__link{display:flex;min-height:175px;padding:17px;gap:11px;color:var(--ink)}.tool-card__link:hover{text-decoration:none}.tool-card__icon{display:grid;flex:0 0 38px;width:38px;height:38px;place-items:center;border-radius:10px;background:var(--blue-100);color:var(--blue-800);font-weight:800}.tool-card__content{min-width:0;flex:1}.tool-card__eyebrow{display:block;margin-bottom:3px;color:var(--blue-700);font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.tool-card h3{margin:0 0 6px;font-size:15px;line-height:1.25}.tool-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.4}.tool-card__arrow{align-self:flex-end;color:var(--blue-700);font-weight:800}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category-card{display:block;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink);transition:.18s ease}.category-card:hover{border-color:#a9d2f3;box-shadow:var(--shadow);text-decoration:none;transform:translateY(-2px)}.category-card__icon{display:grid;place-items:center;width:46px;height:46px;margin-bottom:17px;border-radius:13px;background:var(--blue-100);color:var(--blue-800);font-size:23px}.category-card h3{margin:0 0 6px;font-size:18px}.category-card p{min-height:58px;margin:0 0 16px;color:var(--muted);font-size:14px}.category-card>span:last-child{color:var(--blue-800);font-size:13px;font-weight:750}.category-card b{margin-left:4px}.cta-section{padding:60px 0;background:linear-gradient(115deg,var(--blue-950),var(--blue-800));color:#fff}.cta-section__inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.cta-section h2{margin:0 0 7px;font-size:clamp(26px,3vw,38px);letter-spacing:-.04em}.cta-section p:not(.eyebrow){max-width:650px;margin:0;color:#cee5fa}.ad-slot{display:flex;align-items:center;justify-content:center;min-height:90px;max-width:970px;margin:12px auto;border:1px dashed #cbd8e6;border-radius:8px;background:#fafcff;color:#8091a4;font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.page-hero{padding:53px 0 42px;background:linear-gradient(180deg,#f2f8fd,#fff)}.page-hero h1{max-width:800px;margin:0 0 10px;font-size:clamp(34px,4.3vw,50px);line-height:1.1;letter-spacing:-.045em}.page-hero p:not(.eyebrow){max-width:720px;margin:0;color:var(--muted);font-size:18px}.breadcrumbs{margin-top:25px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none;color:var(--muted);font-size:13px}.breadcrumbs li+li:before{content:'/';margin-right:7px;color:#9cafc1}.breadcrumbs a{color:var(--blue-800)}.listing-toolbar{align-items:center}.listing-toolbar p{margin:5px 0 0;color:var(--muted);font-size:14px}.listing-search{display:flex;align-items:center;gap:7px;min-width:270px;padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:#fff}.listing-search input{width:100%;border:0;outline:0;font-size:14px}.listing-search span{color:var(--blue-700)}.category-pills{display:flex;flex-wrap:wrap;gap:8px;margin:-7px 0 22px}.category-pills a{padding:7px 11px;border:1px solid var(--line);border-radius:999px;color:#42607c;font-size:13px;font-weight:700}.category-pills a:hover,.category-pills a.is-active{border-color:#b7d7f3;background:var(--blue-100);color:var(--blue-800);text-decoration:none}.empty-state{padding:25px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);text-align:center}
.tool-hero{padding:34px 0 29px;background:#f5f9fd;border-bottom:1px solid var(--line)}.tool-hero .breadcrumbs{margin-top:0;margin-bottom:20px}.tool-hero__title{display:flex;align-items:flex-start;gap:15px}.tool-hero__icon{display:grid;place-items:center;flex:0 0 54px;width:54px;height:54px;border-radius:15px;background:var(--blue-800);color:#fff;font-size:24px;font-weight:800}.tool-hero h1{margin:0 0 5px;font-size:clamp(28px,4vw,43px);line-height:1.1;letter-spacing:-.04em}.tool-hero p:not(.eyebrow){margin:0;color:var(--muted)}.tool-hero .eyebrow{margin-bottom:4px}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px;align-items:start}.calculator-shell{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 7px 26px rgba(15,65,109,.06);overflow:hidden}.calculator-form{padding:25px}.calculator-form__header{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:21px}.calculator-form__header h2{margin:0;font-size:21px;letter-spacing:-.025em}.calculator-form__header p{margin:0;color:var(--muted);font-size:12px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field--full{grid-column:1/-1}.field label{display:block;margin-bottom:6px;color:#293e57;font-size:13px;font-weight:750}.field label span{color:var(--danger)}.field input,.field textarea,.field select{display:block;width:100%;border:1px solid #cddbe8;border-radius:8px;background:#fff;color:var(--ink);padding:10px 11px;outline:0;transition:.16s}.field textarea{min-height:104px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue-700);box-shadow:0 0 0 3px rgba(20,113,197,.13)}.field__help{display:block;margin-top:4px;color:var(--muted);font-size:11px;line-height:1.35}.calculator-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:23px}.form-error{margin:14px 0 0;color:var(--danger);font-size:13px}.dynamic-items{display:grid;gap:12px;margin-top:15px}.dynamic-item{display:grid;grid-template-columns:minmax(0,1fr) 100px 130px auto;gap:8px;align-items:end;padding:12px;border:1px solid var(--line);border-radius:9px;background:var(--surface-soft)}.dynamic-item label{display:block;margin-bottom:4px;font-size:11px;font-weight:700}.dynamic-item input{width:100%;border:1px solid #cddbe8;border-radius:7px;padding:8px}.remove-item{padding:8px 10px;border:0;border-radius:7px;background:#fff0ef;color:var(--danger);font-size:12px}.result-card{border-top:1px solid var(--line);background:linear-gradient(180deg,#f5fbff,#fff);padding:25px}.result-card__head{display:flex;justify-content:space-between;align-items:start;gap:16px}.result-card__head .eyebrow{margin-bottom:10px}.result-actions{display:flex;gap:7px}.icon-button{display:grid;place-items:center;width:35px;height:35px;border:1px solid #cbdcea;border-radius:8px;background:#fff;color:var(--blue-800)}.icon-button:hover{background:var(--blue-100)}.result-main{margin:0 0 16px;font-size:clamp(24px,3.2vw,35px);font-weight:820;letter-spacing:-.04em;color:var(--blue-950)}.result-subtitle{margin:-10px 0 15px;color:var(--muted);font-size:13px}.result-breakdown{display:grid;gap:8px;margin:0;padding:0;list-style:none}.result-breakdown li{display:flex;justify-content:space-between;gap:20px;padding:8px 0;border-bottom:1px solid #e8eff5;font-size:14px}.result-breakdown li:last-child{border-bottom:0}.result-breakdown strong{white-space:nowrap}.result-note{margin:14px 0 0;padding:10px 12px;border-left:3px solid var(--blue-700);background:var(--blue-100);color:#315778;font-size:12px}.document-preview{padding:28px;border:1px solid #d7e0e9;background:#fff;color:#1d2939}.document-preview h2{margin:0 0 20px;text-align:center;font-size:22px;letter-spacing:.1em}.document-preview h3{margin:0 0 4px;font-size:18px}.document-preview p{margin:7px 0}.document-preview table{width:100%;border-collapse:collapse;margin:17px 0}.document-preview th,.document-preview td{padding:8px;border-bottom:1px solid #d7e0e9;text-align:left;font-size:13px}.document-preview th:last-child,.document-preview td:last-child{text-align:right}.document-preview .document-total{text-align:right;font-size:18px;font-weight:800}.document-signature{margin-top:45px;border-top:1px solid #667;max-width:260px;padding-top:6px;font-size:12px}.qr-result{text-align:center}.qr-result img{display:block;max-width:100%;margin:12px auto;border:12px solid #fff;box-shadow:0 3px 11px rgba(0,0,0,.12)}.signature-preview{padding:18px;border:1px solid #dbe5ee;border-radius:8px;background:#fff}.signature-preview hr{border:0;border-top:1px solid #dbe5ee;margin:12px 0}.signature-code{width:100%;min-height:130px;margin-top:16px;border:1px solid #cbdcea;border-radius:8px;padding:10px;font:12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace}.copy-code{margin-top:9px}.tool-content{margin-top:30px}.content-section{padding:23px 0;border-bottom:1px solid var(--line)}.content-section h2,.source-box h2{margin:0 0 8px;font-size:22px;letter-spacing:-.025em}.content-section p{margin:0;color:#40536a}.notice-box{margin-top:23px;padding:14px 15px;border:1px solid #f3d197;border-radius:9px;background:#fffaed;color:#735514;font-size:14px}.faq-list{display:grid;gap:8px}.faq-list details{border:1px solid var(--line);border-radius:8px;background:#fff}.faq-list summary{padding:12px 14px;cursor:pointer;font-weight:700;font-size:14px}.faq-list p{padding:0 14px 14px;color:var(--muted);font-size:14px}.source-box{margin-top:24px;padding:18px;border-radius:10px;background:var(--surface-soft)}.source-box h2{font-size:18px}.source-box ul{margin:10px 0;padding-left:18px;font-size:13px}.source-box p{margin:10px 0 0;color:var(--muted);font-size:12px}.aside-card{padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.aside-card+.aside-card{margin-top:14px}.aside-card h2{margin:0 0 10px;font-size:18px;line-height:1.2}.aside-card .eyebrow{margin-bottom:5px}.related-list{display:grid;gap:3px;margin:0;padding:0;list-style:none}.related-list a{display:flex;gap:9px;align-items:start;padding:9px 0;color:var(--ink);font-size:13px}.related-list a:hover{text-decoration:none;color:var(--blue-800)}.related-list a>span:first-child{display:grid;place-items:center;flex:0 0 27px;width:27px;height:27px;border-radius:7px;background:var(--blue-100);color:var(--blue-800)}.related-list span:nth-child(2){flex:1;font-weight:700}.related-list small{display:block;margin-top:2px;color:var(--muted);font-size:11px;font-weight:400;line-height:1.35}.related-list b{font-weight:800}.aside-card--tip{background:var(--blue-950);border-color:var(--blue-950);color:#fff}.aside-card--tip>span{display:block;margin-bottom:8px;color:#a9ddff;font-size:25px}.aside-card--tip p{margin:0;color:#d2e8fc;font-size:13px}
.content-page{max-width:850px}.content-page h2{margin:0 0 10px;font-size:26px;letter-spacing:-.03em}.content-page>p{margin:0 0 34px;color:#40536a}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:17px 0 42px}.principles>div{padding:18px;border:1px solid var(--line);border-radius:12px}.principles span{display:grid;place-items:center;width:35px;height:35px;margin-bottom:12px;border-radius:9px;background:var(--blue-100);color:var(--blue-800);font-weight:800}.principles h3{margin:0 0 5px;font-size:17px}.principles p{margin:0;color:var(--muted);font-size:14px}.contact-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:30px;align-items:start}.contact-layout h2{margin:0 0 6px;font-size:27px}.contact-layout>article>p{margin:0 0 18px;color:var(--muted)}.contact-form{padding:21px;border:1px solid var(--line);border-radius:12px}.contact-form .button{margin-top:18px}.alert{padding:11px 13px;border-radius:8px;font-size:14px}.alert--success{border:1px solid #a8dec4;background:#f0fdf6;color:#075c3b}.alert--error{border:1px solid #f2b8b5;background:#fff2f1;color:#951d17}
.site-footer{padding-top:43px;background:#071c34;color:#d1dfec}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:33px}.brand--footer{color:#fff}.brand--footer strong{color:#90ceff}.site-footer p{margin:13px 0 0;color:#b2c7db;font-size:14px}.footer-note{max-width:340px;font-size:12px!important}.site-footer h2{margin:1px 0 10px;color:#fff;font-size:14px}.site-footer ul{display:grid;gap:6px;margin:0;padding:0;list-style:none}.site-footer li{font-size:13px}.site-footer a{color:#bad5ed}.site-footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:18px;padding:15px 0;border-top:1px solid rgba(204,225,244,.16);color:#a8c0d6;font-size:12px}.cookie-banner{position:fixed;z-index:45;right:18px;bottom:18px;max-width:510px;padding:15px;border:1px solid #cad8e4;border-radius:12px;background:#fff;box-shadow:0 15px 40px rgba(0,22,50,.2)}.cookie-banner p{margin:0;color:#40536a;font-size:13px}.cookie-banner>div{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.cookie-banner .button{padding:8px 11px;font-size:12px}
@media (max-width:1000px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:12px}.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-grid{grid-template-columns:repeat(2,1fr)}.tool-layout{grid-template-columns:minmax(0,1fr)}.tool-layout__aside{display:grid;grid-template-columns:1fr 1fr;gap:14px}.aside-card+.aside-card{margin-top:0}.contact-layout{grid-template-columns:1fr}.contact-layout .aside-card{display:none}}
@media (max-width:760px){.container{width:min(100% - 28px,1160px)}.site-header{position:sticky}.header-inner{min-height:63px}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:calc(100% + 1px);right:0;left:0;padding:10px 14px 15px;border-bottom:1px solid var(--line);background:#fff;box-shadow:0 10px 18px rgba(0,25,50,.08)}.main-nav.is-open{display:grid}.main-nav a{padding:10px;font-size:14px}.hero--home{padding:53px 0}.hero-grid{grid-template-columns:1fr;gap:27px}.hero h1{font-size:39px}.hero-panel{max-width:420px}.tool-grid,.tool-grid--three{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tool-card__link{min-height:158px;padding:13px;gap:9px}.tool-card__icon{flex-basis:32px;width:32px;height:32px;font-size:13px}.tool-card h3{font-size:14px}.tool-card p{font-size:12px}.tool-card__arrow{display:none}.section{padding:48px 0}.section-heading,.listing-toolbar{align-items:start;flex-direction:column;gap:12px}.listing-search{width:100%;min-width:0}.category-card p{min-height:0}.page-hero{padding:39px 0 31px}.page-hero p:not(.eyebrow){font-size:16px}.tool-hero{padding:24px 0}.tool-hero__icon{flex-basis:42px;width:42px;height:42px;border-radius:11px;font-size:19px}.tool-hero h1{font-size:29px}.form-grid{grid-template-columns:1fr}.calculator-form,.result-card{padding:17px}.calculator-form__header{display:block}.calculator-form__header p{margin-top:4px}.dynamic-item{grid-template-columns:1fr 1fr}.dynamic-item>div:first-child{grid-column:1/-1}.dynamic-item .remove-item{justify-self:start}.tool-layout__aside{grid-template-columns:1fr}.principles{grid-template-columns:1fr}.cta-section{padding:42px 0}.cta-section__inner{align-items:start;flex-direction:column}.footer-grid{grid-template-columns:1fr;gap:23px}.footer-bottom{align-items:start;flex-direction:column}.cookie-banner{right:10px;bottom:10px;left:10px;max-width:none}.hero-search{padding:4px}.hero-search input{padding:10px 9px}.hero-search .button{padding:10px}.search-hint{font-size:11px}.document-preview{padding:17px}.result-main{font-size:27px}}
@media (max-width:400px){.tool-grid,.category-grid{grid-template-columns:1fr}.hero h1{font-size:34px}.hero-panel{grid-template-columns:1fr 1fr}.result-breakdown li{gap:8px;font-size:13px}}
@media print{.site-header,.site-footer,.cookie-banner,.tool-layout__aside,.tool-content,.tool-hero,.calculator-form,.ad-slot,.result-actions{display:none!important}body{background:#fff}.tool-layout,.container{display:block;width:100%;margin:0}.result-card{display:block!important;border:0;box-shadow:none;padding:0}.result-card__head{display:none}.document-preview{border:0;padding:0}.result-card[data-calculation-result]{display:block!important}}