:root{--navy:#0b1b3a;--deep:#07122a;--blue:#5aa9ff;--ink:#e8eefb;--mut:#a9b8d6;--card:#11254d}
*{box-sizing:border-box}body{margin:0;font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;color:var(--ink);background:linear-gradient(180deg,var(--navy),var(--deep)) fixed}
a{color:var(--blue)}.wrap{max-width:1040px;margin:0 auto;padding:0 22px}
.nav{position:sticky;top:0;backdrop-filter:blur(10px);background:rgba(7,18,42,.7);border-bottom:1px solid #1c3266;z-index:2}
.nav .wrap{display:flex;justify-content:space-between;align-items:center;height:60px}.brand{display:flex;gap:8px;align-items:center;font-weight:700;color:var(--ink);text-decoration:none}
nav a{color:var(--mut);text-decoration:none;margin-left:18px;font-size:15px}nav a:hover{color:var(--ink)}
.hero{padding:96px 0 64px;text-align:center;background:radial-gradient(600px 300px at 50% 0,rgba(90,169,255,.18),transparent)}
h1{font-size:clamp(2rem,5vw,3.3rem);line-height:1.15;letter-spacing:-.02em;margin:.2em 0}.lead{max-width:640px;margin:0 auto 28px;color:var(--mut);font-size:1.15rem}
.btn{display:inline-flex;gap:10px;align-items:center;background:var(--ink);color:var(--navy);padding:13px 22px;border-radius:12px;font-weight:600;text-decoration:none}
.small{color:var(--mut);font-size:14px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:40px auto}
.card{background:var(--card);border:1px solid #1d3770;border-radius:16px;padding:20px 22px;margin-bottom:16px}.card h3{margin:0 0 6px}.card p{margin:0;color:var(--mut)}
.band{background:rgba(90,169,255,.08);border:1px solid #1d3770;border-radius:18px;padding:28px;margin:40px auto}.amt{font-size:1.8rem;color:var(--ink)!important;font-weight:700}
.prose{max-width:760px;padding-top:48px;padding-bottom:48px}.prose h2{margin-top:2em}.note{border-left:3px solid var(--blue);padding:8px 14px;background:rgba(90,169,255,.08);color:var(--mut)}
footer{border-top:1px solid #1c3266;margin-top:60px;padding:28px 0;color:var(--mut);font-size:14px}.disc{color:var(--ink)}
@media(max-width:560px){nav a{margin-left:12px}.hero{padding:64px 0 40px}}