*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
body.dark{background:#0B1E39;color:#fff}
.nav{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;padding:14px 24px;z-index:10}

.nav a{color:#fff;text-decoration:none;margin-left:18px;opacity:.9}
.nav a:hover{opacity:1}
.logo{height:42px}
.video-hero{position:relative;height:70vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.video-hero video{position:absolute;width:100%;height:100%;object-fit:cover;filter:brightness(.5)}
.video-hero .overlay{position:relative;text-align:center;z-index:1;padding:0 6vw}
.video-hero h1{font-size:64px;margin:0 0 12px}
.video-hero p{font-size:18px;opacity:.95;margin:0 0 20px}
.btn{display:inline-block;background:#D4AF37;color:#0B1E39;font-weight:800;padding:14px 18px;border-radius:10px;text-decoration:none}
.section{padding:64px 8vw}
.img{width:100%;max-width:980px;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.4);display:block;margin:0 auto}
.cta{text-align:center;background:#081425}

.glow::before{content:'';position:absolute;inset:0;background:radial-gradient(900px 400px at 68% 36%, rgba(0,208,255,.12), transparent 60%);
animation:pulse 6s ease-in-out infinite;pointer-events:none}
@keyframes pulse{0%{opacity:.35;transform:scale(1)}50%{opacity:.6;transform:scale(1.05)}100%{opacity:.35;transform:scale(1)}}