:root{--navy:#0b2035;--blue:#155eef;--orange:#f79009;--ink:#172b3a;--muted:#586b7a;--line:#dbe3e9;--surface:#f5f8fa;--white:#fff;--radius:14px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",sans-serif}a{color:#0b47bd;text-underline-offset:.18em}:focus-visible{outline:3px solid #fdbd6f;outline-offset:3px}.container{width:min(calc(100% - 2rem),var(--max));margin:auto}.skip-link{position:fixed;top:-5rem;left:1rem;z-index:100;padding:.7rem 1rem;background:#fff}.skip-link:focus{top:1rem}.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.header-row{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}.brand{color:var(--navy);font-size:1.3rem;font-weight:850;letter-spacing:-.04em;text-decoration:none}.brand span{color:var(--orange)}.main-nav ul{display:flex;align-items:center;gap:1.25rem;margin:0;padding:0;list-style:none}.main-nav a{color:var(--ink);font-size:.93rem;font-weight:750;text-decoration:none}.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--blue)}.nav-cta{padding:.55rem .9rem!important;color:#fff!important;background:var(--blue);border-radius:8px}.menu-button{display:none;padding:.5rem .75rem;background:#fff;border:1px solid var(--line);border-radius:8px;font:inherit;font-weight:750}.hero{padding:clamp(4.5rem,9vw,7.5rem) 0;color:#fff;background:radial-gradient(circle at 80% 20%,#1f6fff 0,transparent 34%),linear-gradient(130deg,#071a2c,#0e3f75)}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:3rem;align-items:center}.eyebrow{margin:0 0 .7rem;color:var(--orange);font-size:.78rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.hero h1{margin:0;font-size:clamp(2.5rem,6vw,5rem);line-height:1.03;letter-spacing:-.05em}.hero p{max-width:720px;color:#dceafb;font-size:1.15rem}.hero-panel{padding:1.5rem;background:#ffffff18;border:1px solid #ffffff38;border-radius:var(--radius)}.hero-panel ul{padding-left:1.2rem}.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:.65rem 1rem;color:#fff;background:var(--blue);border:1px solid var(--blue);border-radius:9px;font-weight:800;text-decoration:none;cursor:pointer}.button.secondary{color:var(--navy);background:#fff;border-color:var(--line)}.section{padding:clamp(3.5rem,7vw,6rem) 0}.section.alt{background:var(--surface)}.heading{max-width:760px;margin-bottom:2rem}.heading h1,.heading h2{margin:0 0 .65rem;color:var(--navy);font-size:clamp(2rem,4vw,3.1rem);line-height:1.12;letter-spacing:-.035em}.heading p,.card p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem}.card{padding:1.5rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.card h2,.card h3{margin:.2rem 0 .55rem;color:var(--navy);line-height:1.3}.card a{font-weight:800}.icon{display:grid;width:42px;height:42px;place-items:center;color:#0b47bd;background:#eaf1ff;border-radius:10px;font-weight:900}.breadcrumb{padding:1rem 0;color:var(--muted);font-size:.88rem}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:.45rem;margin:0;padding:0;list-style:none}.breadcrumb li:not(:last-child)::after{content:"/";margin-left:.45rem}.page-hero{padding:3.5rem 0 3rem;background:linear-gradient(#eef4ff,#fff)}.page-hero h1{margin:0;color:var(--navy);font-size:clamp(2.2rem,5vw,4rem);line-height:1.08}.page-hero p{max-width:760px;color:var(--muted);font-size:1.1rem}.tool-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:2rem;align-items:start}.panel{padding:clamp(1.25rem,3vw,2rem);background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 14px 38px #0b1f3317}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.field{display:grid;gap:.35rem}.field label{font-weight:750}.field small{color:var(--muted)}.input-wrap{display:flex}.prefix{display:grid;min-width:43px;place-items:center;background:var(--surface);border:1px solid var(--line);border-right:0;border-radius:8px 0 0 8px}.field input{width:100%;min-height:46px;padding:.65rem .75rem;border:1px solid #aab8c3;border-radius:0 8px 8px 0;font:inherit}.result{padding:1.5rem;color:#fff;background:var(--navy);border-radius:var(--radius)}.result h2{margin-top:0}.result-value{font-size:clamp(2rem,5vw,3rem);font-weight:850}.result-detail{color:#dceafb}.content{max-width:790px}.content h2{margin:2.5rem 0 .65rem;color:var(--navy)}.formula,.notice{padding:1rem;background:#fff7e8;border-left:4px solid var(--orange)}.faq details{padding:1rem 0;border-top:1px solid var(--line)}.faq summary{font-weight:800;cursor:pointer}.empty{padding:1.4rem;color:var(--muted);background:var(--surface);border:1px dashed #aebbc5;border-radius:var(--radius)}.site-footer{padding:3.5rem 0 1.5rem;color:#cad5df;background:var(--navy)}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem}.site-footer h2,.site-footer h3{margin-top:0;color:#fff}.site-footer h3{font-size:.85rem;text-transform:uppercase}.site-footer ul{margin:0;padding:0;list-style:none}.site-footer a{color:#dbe4eb}.footer-bottom{margin-top:2rem;padding-top:1rem;border-top:1px solid #ffffff22;font-size:.85rem}@media(max-width:880px){.grid{grid-template-columns:repeat(2,1fr)}.hero-grid,.tool-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.header-row{min-height:64px}.menu-button{display:block}.main-nav{display:none;position:absolute;inset:64px 0 auto;padding:1rem;background:#fff;border-bottom:1px solid var(--line)}.main-nav.is-open{display:block}.main-nav ul{display:grid;gap:0}.main-nav a{display:block;padding:.6rem 0}.grid,.form-grid,.footer-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}