:root{color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#081224;color:#eaf2ff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 0,#193c67,#081224 60%);min-height:100vh}header,main,footer{max-width:860px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}a{color:#71d6ff}nav{display:flex;gap:18px;flex-wrap:wrap}nav a{text-decoration:none}h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.1}h2{margin-top:32px}p,li{line-height:1.7;color:#cbd8e9}.hero,.panel{background:#102340d9;border:1px solid #2c5b87;border-radius:18px;padding:26px;margin:20px 0}.tag{color:#80d9ff;text-transform:uppercase;letter-spacing:.16em;font-size:.78rem}.brand{font-weight:800;letter-spacing:.08em;color:#fff;text-decoration:none}.brand span{color:#76d6ff}footer{border-top:1px solid #294565;color:#aebfd1;font-size:.9rem}strong{color:white}