:root{--navy:#0b2236;--navy2:#123a5c;--amber:#f2a413;--ink:#1c2733;--muted:#5b6b7a;--line:#d8e0e8;--bg:#f4f7f9}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--navy2)}header{background:var(--navy);color:#fff;padding:14px 20px 0}
header .brand{font-size:22px;font-weight:700}header .tag{color:#cfe0ee;font-size:14px;padding:2px 0 12px}
nav{background:var(--navy);padding:0 20px 10px}nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
nav li{position:relative}nav a{color:#fff;text-decoration:none;padding:7px 10px;display:block;border-radius:6px}
nav a:hover,nav a:focus{background:var(--navy2)}
nav .menu{display:none;position:absolute;left:0;top:100%;background:#fff;min-width:260px;box-shadow:0 8px 24px rgba(0,0,0,.2);border-radius:8px;padding:8px;z-index:20}
nav .menu a{color:var(--ink)}nav .menu a:hover{background:#eef4f8}
nav .has-menu:hover>.menu,nav .has-menu:focus-within>.menu{display:block}
main{max-width:980px;margin:0 auto;padding:24px 20px 40px;background:#fff}
h1{font-size:30px;line-height:1.25;color:var(--navy)}h2{font-size:22px;color:var(--navy);margin-top:32px;border-bottom:2px solid var(--amber);padding-bottom:6px}
h3{font-size:18px;color:var(--navy2)}p{margin:10px 0}
.hero{background:linear-gradient(135deg,#0b2236,#123a5c);color:#fff;padding:26px;border-radius:12px}
.hero h1{color:#fff}.hero p{color:#dbe8f2}.pill{display:inline-block;background:var(--amber);color:#1c2733;font-weight:700;padding:3px 10px;border-radius:20px;font-size:13px}
table{border-collapse:collapse;width:100%;margin:14px 0}th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#eaf1f6}table.spec th{width:34%}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.card{border:1px solid var(--line);border-radius:10px;padding:16px;background:#fbfdff}.card h3{margin-top:0}
.cta{background:#fff7e0;border:1px solid #f2d488;border-radius:10px;padding:16px;margin:24px 0}
.note{background:#eef4f8;border-left:4px solid var(--navy2);padding:12px 16px;margin:16px 0}
.diagram{border:1px dashed #9fb3c4;border-radius:10px;padding:14px;text-align:center;background:#f8fbfd;color:var(--muted)}
.diagram svg{max-width:100%;height:auto;display:block;margin:0 auto}
footer{background:var(--navy);color:#dbe8f2;padding:22px 20px;font-size:14px}footer a{color:#fff}
form label{display:block;margin:10px 0}input,textarea,select{width:100%;padding:9px;border:1px solid var(--line);border-radius:6px}
button{background:var(--amber);border:0;padding:11px 20px;border-radius:8px;font-weight:700;cursor:pointer}
@media(max-width:640px){h1{font-size:24px}nav .menu{position:static;box-shadow:none}}