:root{--bg:#fff;--ink:#16191d;--muted:#5a6270;--line:#e3e6ea;--card:#f6f7f9;--accent:#2F6BFF;--accent-ink:#ffffff;--dark:#0A1B4D;--dark-ink:#f1f3f5;--link:#0b5cad}
@media (prefers-color-scheme:dark){:root{--bg:#101317;--ink:#eceff2;--muted:#9aa3ae;--line:#262c33;--card:#181d23;--link:#7db6f2}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--link)}img,svg{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
header.site{background:var(--dark);color:var(--dark-ink);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.logo{display:flex;align-items:center;gap:10px;color:var(--dark-ink);text-decoration:none;font-weight:800;letter-spacing:.2px}
.logo svg{width:30px;height:30px;flex:none}
nav.main{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
nav.main a{color:var(--dark-ink);text-decoration:none;font-size:15px}
nav.main a:hover{text-decoration:underline}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink)!important;font-weight:800;text-decoration:none!important;padding:12px 20px;border-radius:8px;border:0;cursor:pointer;font-size:16px}
.btn.ghost{background:transparent;color:var(--ink)!important;border:2px solid var(--ink)}
.hero{background:linear-gradient(135deg,#0A1B4D 0%,#1D3F99 100%);color:var(--dark-ink);padding:44px 0}
.hero .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.12;margin:0 0 12px}
.hero p.lead{font-size:18px;color:#d3d9df;margin:0 0 16px}
.ticks{list-style:none;padding:0;margin:0 0 18px}
.ticks li{padding-left:26px;position:relative;margin:6px 0}
.ticks li:before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:3px;background:var(--accent)}
.card{background:var(--bg);color:var(--ink);border-radius:12px;padding:20px;box-shadow:0 8px 28px rgba(0,0,0,.25)}
.card h2{margin:0 0 4px;font-size:20px}
.card .sub{margin:0 0 12px;color:var(--muted);font-size:14px}
label{display:block;font-size:13px;font-weight:700;margin:10px 0 4px}
input,select,textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
textarea{min-height:84px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hp{position:absolute!important;left:-9999px;width:0;height:0;opacity:0;overflow:hidden}
.fine{font-size:12px;color:var(--muted);margin:10px 0 0}
section{padding:40px 0}
section.alt{background:var(--card)}
h2.sec{font-size:clamp(22px,3.4vw,30px);margin:0 0 8px}
p.sub2{color:var(--muted);margin:0 0 22px;max-width:70ch}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.tile{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:16px;text-decoration:none;color:var(--ink);display:block}
section.alt .tile{background:var(--bg)}
.tile b{display:block;margin-bottom:4px}
.tile span{color:var(--muted);font-size:14px}
.tile:hover{border-color:var(--accent)}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.step{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:16px;position:relative;padding-top:44px}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:12px;left:16px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-weight:800;text-align:center;line-height:26px}
details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0;background:var(--bg)}
details summary{cursor:pointer;font-weight:700}
details p{margin:10px 0 0}
.crumbs{font-size:14px;color:var(--muted);padding:14px 0 0}
.crumbs a{color:var(--muted)}
.prose{max-width:760px}
.prose h2{margin-top:28px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips a{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:6px 14px;text-decoration:none;color:var(--ink);background:var(--bg);font-size:14px}
.chips a:hover{border-color:var(--accent)}
footer.site{background:var(--dark);color:#b9c1c9;padding:34px 0;font-size:14px}
footer.site a{color:#dfe5ea}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px}
footer.site h3{color:#fff;font-size:15px;margin:0 0 8px}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin:4px 0}
.disc{border-top:1px solid #2a323a;margin-top:22px;padding-top:16px;font-size:12.5px;color:#98a2ad}
.callbar{display:none}
@media (max-width:820px){
 .hero .grid{grid-template-columns:1fr}
 nav.main a.hide-m{display:none}
 .row{grid-template-columns:1fr}
 .callbar{display:block;position:fixed;left:0;right:0;bottom:0;background:var(--accent);text-align:center;z-index:30}
 .callbar a{display:block;padding:14px;color:var(--accent-ink);font-weight:800;text-decoration:none}
 body{padding-bottom:52px}
}