:root{--ink:#142033;--muted:#617184;--line:#dfe6ee;--blue:#1769e0;--blue2:#2f5d8a;--green:#14965d;--orange:#ff6b1a;--bg:#f5f8fb;--card:#fff;--shadow:0 14px 40px rgba(25,48,74,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(#fff,#f7faff 42%,#fff)}a{color:inherit}.calc-nav{height:72px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));position:sticky;top:0;z-index:20}.calc-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:24px;font-weight:850;letter-spacing:-.04em}.calc-brand-mark{width:34px;height:38px;border:3px solid var(--orange);border-radius:8px;position:relative}.calc-brand-mark:after{content:"";position:absolute;left:7px;right:7px;top:10px;height:3px;background:var(--blue);box-shadow:0 8px 0 var(--blue),0 16px 0 var(--blue)}.calc-brand em{font-style:normal;color:var(--orange)}.calc-nav-links{display:flex;align-items:center;gap:20px;font-size:14px}.calc-nav-links a{text-decoration:none;color:#48586a;font-weight:650}.calc-nav-links .active{color:var(--blue);border-bottom:2px solid var(--blue);padding:26px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:11px;border:1px solid transparent;background:var(--blue2);color:#fff;text-decoration:none;font-weight:800;cursor:pointer;font-size:14px}.btn:hover{filter:brightness(.97)}.btn-outline{background:#fff;color:var(--blue2);border-color:#c8d5e1}.btn-orange{background:var(--orange)}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}.breadcrumbs{padding:22px 0 10px;color:#7a8998;font-size:12px}.breadcrumbs a{text-decoration:none}.calc-hero{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:center;padding:34px 0 24px}.kicker{font-size:12px;font-weight:850;letter-spacing:.11em;color:var(--blue);text-transform:uppercase}.calc-hero h1{font-size:48px;line-height:1.02;letter-spacing:-.045em;margin:14px 0 14px;max-width:760px}.calc-hero h1 span{color:var(--blue)}.calc-hero p{font-size:18px;line-height:1.58;color:#506174;max-width:760px;margin:0}.hero-benefits{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:#506174;font-size:13px;font-weight:650}.hero-benefits span:before{content:"✓";color:var(--green);font-weight:900;margin-right:6px}.hero-card{background:linear-gradient(145deg,#eef7ff,#f3fbf7);border:1px solid #dbe7ef;border-radius:22px;padding:25px;box-shadow:var(--shadow)}.hero-card h2{margin:0 0 16px;font-size:19px}.hero-step{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid rgba(100,130,160,.13)}.hero-step:first-of-type{border-top:0}.hero-step b{width:28px;height:28px;border-radius:9px;background:#fff;color:var(--blue);display:grid;place-items:center;box-shadow:0 5px 14px rgba(23,105,224,.08)}.hero-step span{font-size:13px;line-height:1.45;color:#536579}.calculator-shell{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:start;padding:22px 0 42px}.calc-card,.result-card{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.calc-card{padding:24px}.calc-section{padding:5px 0 22px}.calc-section+.calc-section{border-top:1px solid #edf1f5;padding-top:22px}.section-title{display:flex;align-items:center;gap:10px;margin-bottom:16px}.section-title b{width:29px;height:29px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:13px}.section-title h2{font-size:17px;margin:0}.mode-grid{display:flex;flex-wrap:wrap;gap:8px}.mode-btn{min-height:42px;padding:9px 14px;border-radius:10px;border:1px solid #d5dee8;background:#fff;color:#425568;font-weight:750;cursor:pointer}.mode-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}.field-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label,.field>span:first-child{font-size:12px;color:#526274;font-weight:700}.input-wrap{position:relative}.input-wrap input{width:100%;height:45px;border:1px solid #d5dee8;border-radius:10px;padding:0 46px 0 13px;font:inherit;color:var(--ink);background:#fff}.input-wrap input:focus{outline:3px solid rgba(23,105,224,.11);border-color:#7fa9e6}.input-wrap .unit{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:12px;color:#8491a0}.field small{color:#8592a0;font-size:11px;line-height:1.35}.calc-action{width:100%;height:50px;border:0;border-radius:11px;background:linear-gradient(90deg,#1769e0,#0f72ef);color:#fff;font-weight:850;font-size:15px;cursor:pointer}.calc-error{min-height:20px;margin-top:10px;color:#b42318;font-size:12px}.result-card{position:sticky;top:94px;padding:18px}.result-head{display:flex;gap:12px;align-items:center;padding:4px 4px 15px}.result-icon{width:42px;height:42px;border-radius:13px;background:#e8f7ef;color:var(--green);display:grid;place-items:center;font-size:22px}.result-head h2{margin:0;font-size:18px}.result-head p{margin:3px 0 0;color:#7b8998;font-size:12px}.price-hero{background:linear-gradient(100deg,#ebf9f1,#f5fcf8);border-radius:15px;padding:18px;margin-bottom:13px}.price-hero span{font-size:12px;color:#226b4b;font-weight:750}.price-hero strong{display:block;color:#087c43;font-size:36px;letter-spacing:-.035em;margin-top:5px}.price-hero small{display:inline-block;margin-top:6px;background:#fff;color:#228254;border-radius:999px;padding:5px 8px;font-weight:750}.result-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.result-mini div{padding:12px;background:#f7f9fb;border-radius:12px}.result-mini span{display:block;color:#788797;font-size:10px;line-height:1.25}.result-mini strong{display:block;margin-top:7px;font-size:15px}.detail-box{margin-top:12px;border:1px solid #e2e8ef;border-radius:13px;padding:14px}.detail-box h3{font-size:13px;margin:0 0 9px}.detail-row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid #edf1f5;font-size:12px}.detail-row:last-child{border-bottom:0}.detail-row.total{font-weight:850;color:#087c43;background:#effaf4;margin:5px -6px -5px;padding:9px 6px;border-radius:8px}.calc-explanation{font-size:11px;line-height:1.5;color:#68798a;margin:12px 3px}.quote-cta{width:100%;min-height:50px;border:0;border-radius:11px;background:var(--orange);color:#fff;font-weight:850;font-size:14px;cursor:pointer}.cta-note{text-align:center;color:#7a8998;font-size:11px;line-height:1.45;margin:8px 14px 2px}.seo-tabs{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.seo-tabs .wrap{display:flex;gap:28px;overflow:auto}.seo-tabs a{padding:16px 0;text-decoration:none;font-size:12px;color:#5e6d7b;white-space:nowrap}.seo-tabs a:first-child{color:var(--blue);border-bottom:2px solid var(--blue)}.seo-content{padding:34px 0 56px;display:grid;grid-template-columns:1.15fr .85fr;gap:26px}.seo-content h2{font-size:24px;margin:0 0 12px;letter-spacing:-.025em}.seo-content p{color:#596a7b;line-height:1.65}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.info-card{border-radius:16px;padding:18px;border:1px solid var(--line);background:#f8fbff}.info-card.warning{background:#fff8f3;border-color:#f3ddcc}.info-card h3{margin:0 0 10px;font-size:15px}.info-card ul{padding-left:19px;margin:0;color:#536579;font-size:13px;line-height:1.7}.faq{grid-column:1/-1;padding-top:8px}.faq details{border-top:1px solid var(--line);padding:14px 0}.faq summary{font-weight:800;cursor:pointer}.footer{padding:25px 0 40px;border-top:1px solid var(--line);color:#718090;font-size:12px}.footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer a{text-decoration:none}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media(max-width:900px){.calc-nav-links>a:not(.btn){display:none}.calc-hero,.calculator-shell,.seo-content{grid-template-columns:1fr}.result-card{position:static}.field-grid{grid-template-columns:1fr 1fr}.hero-card{order:-1}.calc-hero{padding-top:20px}.calc-hero h1{font-size:40px}}
@media(max-width:620px){.calc-nav{height:64px;padding:0 14px}.calc-brand{font-size:20px}.calc-brand-mark{width:29px;height:32px}.calc-nav-links{gap:8px}.calc-nav-links .btn-outline{display:none}.wrap{width:min(100% - 24px,1180px)}.breadcrumbs{padding-top:14px}.calc-hero h1{font-size:34px}.calc-hero p{font-size:16px}.hero-benefits{display:grid;gap:8px}.field-grid,.result-mini,.info-grid{grid-template-columns:1fr}.calc-card{padding:17px}.mode-grid{display:grid;grid-template-columns:1fr 1fr}.mode-btn{padding:8px}.result-card{padding:14px}.price-hero strong{font-size:31px}.seo-tabs .wrap{gap:18px}}