:root{--blue:#0878f9;--blue-dark:#075ec4;--ink:#0b172b;--muted:#5c6a7e;--line:#dfe7f0;--soft:#f4f8fc;--white:#fff;--green:#069a68;--radius:14px;--shadow:0 12px 35px rgba(18,50,82,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button,input,select,textarea{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:10px;top:-100px;padding:9px 14px;background:#fff;z-index:1000}.skip-link:focus{top:10px}
.site-header{height:72px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:50}.nav-wrap{height:100%;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:9px;margin-right:auto}.brand-car{width:44px;height:32px;border-radius:8px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:23px;line-height:1}.brand b{display:block;font-size:21px;line-height:1.05}.brand b span{color:var(--blue)}.brand small{display:block;color:var(--muted);font-size:10px}.site-header nav{display:flex;align-items:center;gap:27px;font-size:14px;font-weight:600}.site-header nav a:hover,.nav-dropdown>button:hover{color:var(--blue)}.nav-dropdown{position:relative}.nav-dropdown>button{border:0;background:none;font-weight:600;color:var(--ink);padding:22px 0;cursor:pointer}.nav-dropdown>div{position:absolute;top:60px;left:-18px;width:245px;background:#fff;padding:10px;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:12px;display:none}.nav-dropdown:hover>div,.nav-dropdown:focus-within>div{display:grid}.nav-dropdown div a{padding:8px 10px;border-radius:7px}.nav-dropdown div a:hover{background:var(--soft)}.search-open,.nav-toggle{border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer}.search-open{width:38px;height:38px;font-size:22px}.nav-toggle{display:none;padding:8px 12px}
.hero{min-height:460px;background:linear-gradient(90deg,rgba(237,246,254,.98) 0%,rgba(237,246,254,.9) 45%,rgba(7,33,61,.12) 100%),linear-gradient(135deg,#c8dded,#eaf4fb 52%,#809aad);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;right:-5%;bottom:-45%;width:56%;height:110%;border-radius:50% 40% 5% 0;background:linear-gradient(145deg,#46596b,#0f1c2b 50%,#172e46);box-shadow:-25px -5px 50px rgba(10,30,50,.25);transform:skew(-12deg)}.hero .container{padding:62px 0 50px;position:relative;z-index:2}.eyebrow{text-transform:uppercase;color:#0068df;letter-spacing:.04em;font-weight:800;font-size:14px}.hero h1{font-size:54px;line-height:1.02;max-width:670px;margin:12px 0 17px;letter-spacing:-.045em}.hero h1 span{color:#096ad7}.hero-copy{max-width:600px;font-size:19px;line-height:1.5;font-weight:550}.hero-search{display:flex;max-width:650px;background:#fff;margin-top:25px;padding:7px;border-radius:12px;box-shadow:0 12px 35px rgba(26,55,84,.18)}.hero-search input{border:0;outline:0;padding:11px 14px;flex:1;min-width:0}.hero-search button{width:50px;border:0;border-radius:9px;color:#fff;background:var(--blue);font-size:21px}.popular-chips{display:flex;gap:8px;align-items:center;margin-top:14px;font-size:12px;flex-wrap:wrap}.popular-chips a{background:rgba(255,255,255,.8);border:1px solid #d9e3ec;padding:4px 10px;border-radius:999px}.trust-strip{border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:20px 0}.trust-item{display:flex;align-items:center;gap:12px;font-size:13px}.trust-item i{font-style:normal;background:#e5f1ff;color:var(--blue);border-radius:9px;width:42px;height:42px;display:grid;place-items:center;font-size:20px}.trust-item strong,.trust-item span{display:block}.trust-item span{color:var(--muted);font-size:12px}
.section{padding:55px 0}.section.soft{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.section-head h2{margin:0;font-size:30px;line-height:1.2}.section-head p{margin:6px 0 0;color:var(--muted)}.text-link{color:var(--blue);font-weight:700;font-size:14px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category-card,.tool-card,.guide-card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:20px;transition:transform .18s,box-shadow .18s}.category-card:hover,.tool-card:hover,.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.category-card .cat-icon,.tool-card .tool-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:11px;background:#e6f2ff;color:var(--blue);font-size:25px}.category-card h3,.tool-card h3{font-size:16px;margin:13px 0 5px}.category-card p,.tool-card p,.guide-card p{color:var(--muted);font-size:14px;margin:0}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.tool-card{padding:18px}.tool-card .tool-icon{width:40px;height:40px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-card{padding:0;overflow:hidden}.guide-thumb{height:140px;background:linear-gradient(135deg,#182b3e,#1978c9);position:relative}.guide-thumb:after{content:"";position:absolute;width:130px;height:70px;border-radius:60% 40% 10px 10px;background:#dbe7f3;right:25px;bottom:18px;box-shadow:inset 0 -15px #172636}.guide-card div:last-child{padding:18px}.guide-card h3{font-size:17px;line-height:1.35;margin:0 0 8px}.cta-banner{background:linear-gradient(105deg,#0a1a2d,#153d63);border-radius:18px;color:#fff;padding:38px;margin-top:45px;display:flex;justify-content:space-between;align-items:center}.cta-banner h2{margin:0}.cta-banner p{margin:5px 0 0;color:#cbd8e8}.button{border:0;border-radius:9px;padding:11px 18px;font-weight:750;cursor:pointer}.button.primary{background:var(--blue);color:#fff}.button.primary:hover{background:var(--blue-dark)}.button.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}
.page-hero{background:linear-gradient(135deg,#f3f8fd,#e7f2fd);padding:55px 0}.page-hero h1{font-size:43px;line-height:1.15;letter-spacing:-.035em;margin:8px 0 12px}.page-hero p{max-width:760px;color:var(--muted);font-size:18px}.breadcrumbs{font-size:13px;color:var(--muted)}.breadcrumbs a{color:var(--blue)}.content-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:36px;align-items:start}.article h2{font-size:27px;line-height:1.25;margin:38px 0 12px}.article h3{font-size:20px;margin-top:28px}.article p,.article li{color:#344257}.article table{border-collapse:collapse;width:100%}.article th,.article td{border:1px solid var(--line);padding:10px;text-align:left}.sidebar-card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px}.sidebar-card h2{font-size:18px;margin:0 0 12px}.sidebar-card a{display:block;border-top:1px solid var(--line);padding:10px 0;font-size:14px}.review-box{display:flex;gap:14px;background:var(--soft);border:1px solid var(--line);padding:18px;border-radius:12px;margin-top:35px}.review-avatar{width:45px;height:45px;background:#d9eaff;color:var(--blue);border-radius:50%;display:grid;place-items:center;font-weight:800}.review-box p{margin:2px 0;font-size:13px}
.calculator-card{background:#fff;border:1px solid #cfddeb;border-radius:18px;padding:26px;box-shadow:var(--shadow);margin:28px 0}.calculator-head{display:flex;gap:13px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:20px}.calc-icon{width:48px;height:48px;border-radius:12px;background:#e6f2ff;color:var(--blue);display:grid;place-items:center;font-size:25px}.calculator-head h2{font-size:22px;margin:0}.calculator-head p{font-size:13px;margin:2px 0;color:var(--muted)}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field-grid label>span:first-child{display:block;font-size:13px;font-weight:750;margin-bottom:6px}.input-wrap{display:flex;border:1px solid #bdcad8;border-radius:9px;overflow:hidden;background:#fff}.input-wrap:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(8,120,249,.13)}.input-wrap input,.input-wrap select{border:0;outline:0;width:100%;padding:11px 12px;min-width:0;background:transparent}.input-wrap small{display:flex;align-items:center;padding:0 11px;background:var(--soft);color:var(--muted);white-space:nowrap;border-left:1px solid var(--line)}.field-error{font-size:12px;color:#c43030;display:block;min-height:18px;font-style:normal}.calc-actions{display:flex;gap:10px;margin-top:8px}.result{background:linear-gradient(135deg,#edf7ff,#e8f8f2);border-left:4px solid var(--blue);padding:20px;border-radius:10px;margin-top:22px}.result-label{display:block;color:var(--muted);font-size:13px}.result-main{display:block;font-size:30px;margin:2px 0}.result-details{font-size:14px;color:#344257}.copy-result{background:none;border:0;color:var(--blue);font-weight:700;padding:8px 0 0;cursor:pointer}.faq details{border:1px solid var(--line);border-radius:10px;margin:10px 0;padding:14px 17px}.faq summary{font-weight:750;cursor:pointer}.faq details p{margin-bottom:0}.filter-bar{display:flex;gap:10px;margin-bottom:25px}.filter-bar input,.filter-bar select{border:1px solid var(--line);border-radius:9px;padding:12px;min-width:230px}.az-nav{display:flex;gap:6px;flex-wrap:wrap;margin:20px 0}.az-nav a{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:7px;color:var(--blue)}.az-group h2{border-bottom:2px solid var(--blue);padding-bottom:7px}.az-group a{display:block;padding:8px 0;border-bottom:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:30px}.contact-form{border:1px solid var(--line);padding:25px;border-radius:14px}.contact-form label{display:block;font-size:14px;font-weight:700;margin:13px 0 5px}.contact-form input,.contact-form textarea,.admin-form input,.admin-form textarea,.admin-form select{width:100%;border:1px solid #bdcad8;border-radius:8px;padding:11px}.contact-form textarea{min-height:150px}.notice{padding:12px 15px;border-radius:8px;background:#e8f8f2;color:#087550}.notice.error{background:#fff0f0;color:#a52828}.honeypot{position:absolute;left:-10000px}.search-overlay{position:fixed;inset:0;background:rgba(6,20,37,.7);z-index:100;padding:10vh 20px}.search-modal{width:min(650px,100%);margin:auto;background:#fff;border-radius:15px;padding:25px;position:relative}.search-modal label{font-size:21px;font-weight:800}.search-modal input{display:block;width:100%;border:1px solid var(--line);padding:13px;border-radius:9px;margin:12px 0}.search-close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:30px}.search-result{display:block;padding:11px;border-top:1px solid var(--line)}.search-result small{display:block;color:var(--muted)}
.site-footer{background:#091727;color:#dfe8f3;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:30px}.footer-brand{color:#fff;display:inline-flex}.footer-grid p{color:#98a9bc;font-size:14px;max-width:260px}.footer-grid h2{font-size:15px;color:#fff;margin:4px 0 12px}.footer-grid>div>a:not(.brand){display:block;color:#aebccd;font-size:13px;margin:8px 0}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid #243649;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;font-size:12px;color:#8fa1b4}.cookie-banner{position:fixed;z-index:90;bottom:18px;left:50%;transform:translateX(-50%);width:min(900px,calc(100% - 30px));background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:18px;border-radius:13px;display:flex;align-items:center;justify-content:space-between;gap:20px}.cookie-banner[hidden]{display:none}.cookie-banner p{font-size:13px;margin:3px 0}.ad-slot{max-width:1000px;margin:25px auto;text-align:center;min-height:90px}.empty-state{text-align:center;padding:55px;border:1px dashed var(--line);border-radius:12px;color:var(--muted)}
@media(max-width:900px){.site-header nav{display:none;position:absolute;top:71px;left:0;right:0;background:#fff;padding:15px 20px;border-bottom:1px solid var(--line);align-items:stretch}.site-header nav.open{display:grid;gap:4px}.site-header nav>a,.nav-dropdown>button{padding:9px 0;text-align:left}.nav-dropdown>div{position:static;box-shadow:none;width:100%;border:0}.nav-toggle{display:block}.hero:after{opacity:.25}.hero h1{font-size:45px}.category-grid,.tool-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:15px}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid>div:nth-child(4),.footer-grid>div:nth-child(5){margin-top:15px}.guide-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.container{width:min(100% - 28px,1160px)}.site-header{height:64px}.brand b{font-size:18px}.brand-car{width:37px;height:29px}.search-open{display:none}.hero .container{padding:44px 0}.hero{min-height:auto}.hero h1,.page-hero h1{font-size:37px}.hero-copy{font-size:16px}.trust-grid{grid-template-columns:1fr 1fr}.category-grid,.tool-grid,.guide-grid,.field-grid,.contact-grid{grid-template-columns:1fr}.section{padding:40px 0}.section-head{align-items:start}.section-head h2{font-size:25px}.cta-banner{display:block;padding:25px}.cta-banner .button{display:inline-block;margin-top:16px}.sidebar{display:block}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom,.cookie-banner{display:block}.cookie-banner .button{margin-top:9px}.calculator-card{padding:18px}.result-main{font-size:25px}.filter-bar{display:grid}.filter-bar input,.filter-bar select{min-width:0;width:100%}}