:root{--blue:#2457d6;--blue2:#173c9c;--ink:#172033;--muted:#5c667a;--line:#dce2ec;--soft:#f3f7ff;--green:#087f5b;--white:#fff;--radius:16px;--shadow:0 12px 35px rgba(25,49,94,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:#fff}a{color:var(--blue2)}img{max-width:100%}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:10px;z-index:10}.skip:focus{left:8px}header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.08rem}.brand img{flex:none}nav{display:flex;gap:24px;align-items:center}nav a{text-decoration:none;color:#34405a;font-weight:650}nav a:hover,.text-link:hover{text-decoration:underline}.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 12px;font:inherit}.hero{background:linear-gradient(135deg,#f5f8ff,#eef9f5);padding:70px 0}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}h1,h2,h3{line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(2.2rem,5vw,4rem);margin:.25em 0}h2{font-size:clamp(1.45rem,3vw,2.2rem)}p{margin:.65em 0 1.1em}.lead{font-size:1.2rem;color:#465269;max-width:700px}.narrow{max-width:760px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--green);font-size:.78rem;font-weight:800}.actions,.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.button{border:0;border-radius:10px;padding:12px 18px;background:var(--blue);color:#fff;text-decoration:none;font-weight:750;cursor:pointer;font:inherit}.button:hover{background:var(--blue2)}.secondary{background:#fff;color:var(--blue2);border:1px solid 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strong{display:block;font-size:1.25rem}.error{border-left-color:#c92a2a;background:#fff0f0}.section,.page{padding:58px 0}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:24px}.section-head p{max-width:500px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tool-card h2{font-size:1.25rem}.tool-card h2 a{text-decoration:none;color:var(--ink)}.tool-card p{color:var(--muted)}.icon{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--soft);color:var(--blue);font-weight:900}.text-link{font-weight:750}.soft{background:var(--soft);padding:60px 0}.content-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}.checklist ul{padding-left:20px}.crumb{font-size:.9rem;color:var(--muted);display:block;margin-bottom:24px}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px}.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}.full{grid-column:1/-1}.article{margin-top:40px;max-width:760px}.example{border:1px solid #cbd8f7;background:var(--soft);border-radius:12px;padding:18px}.example p{margin-bottom:0}.faq details{border-top:1px solid var(--line);padding:16px 0}.faq summary{cursor:pointer;font-weight:750}.aside-card{box-shadow:none;margin-bottom:18px}.aside-card h2{font-size:1.1rem}.aside-card a{display:block;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none}.aside-card p{font-size:.92rem;color:var(--muted)}.prose{max-width:820px}.prose h2{margin-top:1.6em}.prose li{margin-bottom:8px}.notfound{text-align:center;min-height:55vh}.big404{font-size:6rem;color:var(--blue);font-weight:900;margin:0}footer{background:#10182b;color:#cbd3e3;padding:50px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:35px}.footbrand{color:#fff}.footer-grid h2{font-size:1rem;color:#fff}.footer-grid a:not(.brand){display:block;color:#cbd3e3;margin:8px 0}.copyright{border-top:1px solid #34405a;margin-top:30px;padding-top:20px;font-size:.86rem} @media(max-width:850px){.menu{display:block}header nav{display:none;position:absolute;left:0;right:0;top:74px;background:#fff;padding:18px 16px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.menu[aria-expanded=true]+nav{display:flex}.hero-grid,.content-grid,.tool-layout{grid-template-columns:1fr}.hero{padding:45px 0}.cards{grid-template-columns:repeat(2,1fr)}aside{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}}@media(max-width:560px){.wrap{width:min(100% - 24px,1120px)}.brand span{font-size:.95rem}.cards,.field-grid,.footer-grid,aside,.result-grid{grid-template-columns:1fr}.section-head{display:block}.page,.section{padding:38px 0}.hero-card,.calc-box,.tool-card,.aside-card{padding:20px}h1{font-size:2.25rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}