:root{color-scheme:dark;--ink:#eef4ff;--muted:#adbad4;--line:#2b3a63;--mint:#6ef0be;--panel:#101b38;--bg:#070c1d}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 85% 5%,#253b74,transparent 30%),var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.65}.shell{width:min(960px,calc(100% - 32px));margin:auto}.top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;text-decoration:none;font-size:1.08rem}.brand img{width:38px;height:38px;object-fit:contain}.top nav{display:flex;flex-wrap:wrap;gap:16px}.top nav a,.back{color:var(--muted);text-decoration:none}.top nav a:hover,.back:hover{color:var(--mint)}main{max-width:780px;padding:62px 0 74px}.eyebrow{color:var(--mint);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}h1{font-size:clamp(2.2rem,6vw,4.6rem);line-height:1.04;margin:.35rem 0 1rem}h2{margin-top:2.4rem;font-size:1.45rem}.lead{font-size:1.15rem;color:var(--muted);max-width:720px}.cta{display:inline-block;margin:22px 0;padding:12px 18px;border-radius:11px;background:linear-gradient(135deg,var(--mint),#4ccce5);color:#061121;text-decoration:none;font-weight:800}.card{margin-top:24px;padding:24px;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--panel) 88%,transparent)}footer{padding:24px 0 46px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}@media(max-width:640px){.top{align-items:flex-start;flex-direction:column}.top nav{gap:12px}main{padding-top:42px}}