*{box-sizing:border-box}body{margin:0;background:#07111f;color:#f3f7fc;font-family:Arial,sans-serif;line-height:1.6}a{color:#8dd0ff;text-decoration:none}.wrap{width:min(1100px,calc(100% - 32px));margin:auto}header{border-bottom:1px solid #28405e}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:1.3rem;font-weight:900;color:#fff}.brand b{color:#22c483}nav{display:flex;gap:16px;flex-wrap:wrap}.hero{padding:60px 0 40px}.eyebrow{color:#22c483;font-weight:800;text-transform:uppercase}h1{font-size:clamp(2rem,5vw,3.8rem);line-height:1.08}.lead{color:#c7d4e4;font-size:1.08rem}.section{padding:30px 0}.article{max-width:900px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card,.choice,.notice{background:#0f1d31;border:1px solid #28405e;border-radius:12px;padding:18px}.choice{display:block;margin:10px 0;color:#fff;font-weight:700}.notice{border-left:4px solid #38a7ff;margin:20px 0}.tag{display:inline-block;background:#153b31;color:#84e7c0;border-radius:999px;padding:4px 9px;font-size:.75rem;font-weight:800}.button,button{background:#22c483;color:#042117;font-weight:800;border:0;border-radius:8px;padding:12px 17px}.flow{white-space:pre-wrap;background:#050d17;border:1px solid #28405e;padding:16px;border-radius:10px}.crumb{padding-top:20px;color:#aab9cc;font-size:.85rem}table{width:100%;border-collapse:collapse;background:#0f1d31}th,td{border:1px solid #28405e;padding:10px;text-align:left}.tool fieldset{border:0;padding:0;margin:22px 0}.tool input[type=number]{width:100%;padding:12px;background:#081525;color:#fff;border:1px solid #28405e;border-radius:7px;font-size:1rem}.radio{display:block;padding:7px 0}.result{margin-top:20px}footer{border-top:1px solid #28405e;padding:28px 0;color:#aab9cc;font-size:.85rem}@media(max-width:720px){.nav{flex-direction:column;align-items:flex-start;padding:14px 0}.grid{grid-template-columns:1fr}}