:root{--navy:#1F3A5F;--amber:#C8702A;--cream:#F7F1E8;--tint:#FBF1E7;--ink:#1f2933;--quiet:#55606d;--rule:#e2ddd4;--card:#ffffff;--good:#2E7D32;--bad:#B3261E;--max:1080px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.6;color:var(--ink);background:var(--cream)}
a{color:var(--navy);text-underline-offset:3px}
a:hover{color:var(--amber)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:9}
header.site{background:var(--cream);border-bottom:1px solid var(--rule)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:800;font-size:20px}
.logo svg{width:34px;height:34px;flex:none}
nav.main{display:flex;gap:18px;flex-wrap:wrap;font-size:15px}
nav.main a{text-decoration:none;color:var(--ink)}
nav.main a[aria-current]{color:var(--amber);font-weight:600}
.btn{display:inline-block;background:var(--navy);color:#fff!important;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:10px}
.btn:hover{background:#16304f}
.btn.alt{background:transparent;color:var(--navy)!important;border:2px solid var(--navy)}
.hero{padding:56px 0 40px}
.hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{color:var(--amber);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px}
h1{font-size:clamp(32px,5vw,50px);line-height:1.1;color:var(--navy);margin:.2em 0 .35em}
h2{font-size:clamp(24px,3.2vw,32px);line-height:1.2;color:var(--navy);margin:1.6em 0 .5em}
h3{font-size:20px;color:var(--navy);margin:1.3em 0 .3em}
.lede{font-size:19px;color:var(--quiet);max-width:40em}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 8px}
.small{font-size:14px;color:var(--quiet)}
.shot{background:#fff;border-radius:14px;box-shadow:0 14px 40px rgba(31,58,95,.16);padding:10px}
section.band{background:#fff;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:8px 0 40px;margin:24px 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:20px 22px}
.band .card{background:var(--cream)}
.card h3{margin-top:0}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps li{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:18px}
.steps li::before{counter-increment:s;content:counter(s);display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:8px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.is h3{color:var(--good)}.isnt h3{color:var(--bad)}
.note{background:var(--tint);border-left:4px solid var(--amber);border-radius:8px;padding:14px 18px;margin:18px 0}
.warn{background:#fdecea;border-left:4px solid var(--bad);border-radius:8px;padding:14px 18px;margin:18px 0}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--rule);border-radius:10px;overflow:hidden;font-size:16px;margin:12px 0 20px}
th{background:var(--navy);color:#fff;text-align:left;padding:10px 12px;font-weight:600}
td{padding:10px 12px;border-top:1px solid var(--rule);vertical-align:top}
.tablewrap{overflow-x:auto}
article.guide{max-width:760px}
article.guide p,article.guide li{max-width:42em}
.toc{background:#fff;border:1px solid var(--rule);border-radius:12px;padding:14px 20px;margin:18px 0}
.toc ol{margin:6px 0 0 18px;padding:0}
.meta{font-size:14px;color:var(--quiet);margin-top:-6px}
details{background:#fff;border:1px solid var(--rule);border-radius:10px;padding:12px 16px;margin:10px 0}
summary{cursor:pointer;font-weight:600;color:var(--navy)}
form.checker{background:#fff;border:1px solid var(--rule);border-radius:14px;padding:22px;max-width:640px}
form.checker label{display:block;font-weight:600;margin:14px 0 4px}
form.checker .hint{font-weight:400;font-size:14px;color:var(--quiet)}
form.checker input{width:100%;font-size:18px;padding:10px 12px;border:1px solid #c9c3b8;border-radius:8px}
form.checker button{margin-top:18px;border:0;cursor:pointer;font-size:17px}
#result{margin-top:20px}
.result{border-radius:12px;padding:16px 18px;border:2px solid var(--navy);background:#fff}
.result.in{border-color:var(--amber);background:var(--tint)}
.result h3{margin-top:0}
footer.site{margin-top:56px;background:var(--navy);color:#dfe6ef;padding:36px 0;font-size:15px}
footer.site a{color:#fff}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
footer.site .fine{margin-top:22px;font-size:13px;color:#b9c5d3}
@media (max-width:860px){.hero .grid,.split,.cards,footer.site .cols{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.hero{padding:32px 0 20px}}
@media (max-width:520px){.steps{grid-template-columns:1fr}body{font-size:16px}nav.main{gap:12px;font-size:14px}}
@media print{header.site,footer.site,.cta{display:none}body{background:#fff}}