:root{--bg:#F3F6F8;--surface:#fff;--ink:#0D1B3E;--muted:#56637A;--line:#D9E0E8;--accent:#4DB8FF;--accent-ink:#0A6AAE;--deep:#0D1B3E;--on-deep:#F2F7F6;--deep-muted:#A3B1CC;--tint:#E3F0FB;--f-display:"Unbounded","Arial Black",system-ui,sans-serif;--f-body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;--f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#081128;--surface:#0E1A36;--ink:#EAF1F5;--muted:#9AA8C2;--line:#1F2C4C;--accent-ink:#7CCBFF;--deep:#050B1C;--tint:#0A1C36;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#081128;--surface:#0E1A36;--ink:#EAF1F5;--muted:#9AA8C2;--line:#1F2C4C;--accent-ink:#7CCBFF;--deep:#050B1C;--tint:#0A1C36;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.65}
a{color:var(--accent-ink)}.wrap{max-width:860px;margin:0 auto;padding-inline:16px}
h1,h2,h3{font-family:var(--f-display);line-height:1.15;letter-spacing:-.01em;margin:0;text-wrap:balance}
h1{font-size:clamp(1.7rem,5vw,3rem);hyphens:auto;-webkit-hyphens:auto;overflow-wrap:break-word}h2{font-size:clamp(1.35rem,3vw,1.9rem);margin-top:48px}h3{font-size:1.05rem;margin-top:22px}
p{margin:12px 0 0}ul{margin:12px 0 0;padding-left:22px}li{margin-top:6px}
.top{background:var(--deep);color:var(--on-deep);position:sticky;top:0;z-index:5}
.top .wrap{max-width:1120px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:12px}
.logo{display:flex;align-items:center;gap:8px;font-family:var(--f-display);font-weight:700;font-size:1.3rem;color:inherit;text-decoration:none}.logo b{color:var(--accent)}
.logo svg{width:28px;height:28px}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.25rem;border-radius:999px;font-weight:800;text-decoration:none;background:var(--accent);color:#0D1B3E}
.btn.ghost{background:transparent;border:2px solid var(--line);color:var(--ink)}
.hero{background:var(--deep);color:var(--on-deep);padding:40px 0 56px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-200px;top:-200px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(77,184,255,.28),transparent 65%)}
.hero .wrap{position:relative;z-index:1}
.crumbs{font-size:.85rem;color:var(--deep-muted)}.crumbs a{color:var(--deep-muted)}
.eyebrow{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-top:18px}
.hero h1{margin-top:8px}.hero .lead{color:#C9D6EE;font-size:1.12rem;max-width:60ch}
.hero .row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.hero .btn.ghost{color:var(--on-deep);border-color:#24407A}
main{padding-bottom:40px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px 22px;margin-top:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:16px}.grid .card{margin:0}
.grid .card b{font-family:var(--f-display);font-size:1rem;font-weight:600}
.note{background:var(--tint);border-radius:14px;padding:16px 18px;margin-top:18px}
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-top:10px}
summary{cursor:pointer;font-weight:800}details p{margin-top:8px}
.cta{background:var(--deep);color:var(--on-deep);border-radius:22px;padding:28px 24px;margin-top:48px}
.cta h2{margin:0;color:#fff}.cta p{color:#C9D6EE}.cta .row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.cta .btn.ghost{color:#fff;border-color:#24407A}
.more{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.more a{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 14px;text-decoration:none;color:var(--ink);font-weight:700;font-size:.92rem}
footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:.82rem;color:var(--muted)}footer p{margin-top:6px}
@media (max-width:560px){.top .btn{padding:.6rem .9rem;font-size:.85rem}}