:root{--navy:#14284b;--navy2:#1d3a6b;--gold:#c9a13b;--ink:#1c2230;--muted:#5a6475;--bg:#ffffff;--band:#f3f5f9;--line:#dfe3ea;--warn:#8a1c1c}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--navy2)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:20px;letter-spacing:.2px}
.logo{height:36px;width:auto}
nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
nav a{color:#e8ecf4;text-decoration:none;font-size:15px}
nav a:hover{color:#fff}
.btn{display:inline-block;background:var(--gold);color:#1b1b1b;font-weight:700;text-decoration:none;padding:12px 22px;border-radius:8px;border:2px solid var(--gold)}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;color:#fff;border-color:#fff}
.btn.small{padding:7px 14px;font-size:14px;color:#1b1b1b}
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 100%);color:#fff;padding:72px 0 80px}
.eyebrow{color:var(--gold);font-weight:700;text-transform:uppercase;letter-spacing:1px;font-size:13px;margin:0 0 10px}
h1{font-size:44px;line-height:1.15;margin:0 0 18px}
.lead{font-size:19px;max-width:720px;color:#e6ebf4}
.cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
section{padding:56px 0}
h2{font-size:30px;margin:0 0 20px;color:var(--navy)}
h3{margin:0 0 6px;color:var(--navy)}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;counter-reset:s}
.steps li{border:1px solid var(--line);border-radius:12px;padding:20px;counter-increment:s;position:relative}
.steps li::before{content:counter(s);display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;margin-bottom:10px}
.steps p{margin:0;color:var(--muted)}
.band{background:var(--band)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:24px}
.grid p{color:var(--muted);margin:0}
.story p{max-width:760px}
.sig{font-weight:700;color:var(--navy)}
.links li{margin:6px 0}
.warn{color:var(--warn);font-weight:600}
.fine{font-size:14px;color:var(--muted);max-width:720px}
.foot{background:var(--navy);color:#cfd6e3;font-size:14px;padding:28px 0}
.foot a{color:#fff}
@media (max-width:640px){h1{font-size:32px}.hero{padding:48px 0 56px}nav{gap:12px}section{padding:40px 0}}
.dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:18px 0}
.dlbtn{display:flex;flex-direction:column;gap:4px;background:var(--navy);color:#fff;text-decoration:none;padding:18px 20px;border-radius:12px;border:2px solid var(--navy)}
.dlbtn:hover{background:var(--navy2)}
.dlbtn .os{font-size:20px;font-weight:700}
.dlbtn .os::before{content:"\2B07  ";color:var(--gold)}
.dlbtn .sub{font-size:14px;color:#cfd6e3}
.howto{margin:12px 0;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px}
.howto summary{cursor:pointer;font-weight:700;color:var(--navy)}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:12px;word-break:break-all;color:var(--muted)}