body { margin: 0; min-height: 100vh; display: grid; place-items: center; font-family: Inter, system-ui, sans-serif; color: #e2e8f0; background: radial-gradient(ellipse 60% 70% at 80% 20%, rgba(59, 130, 246, .25), transparent 60%), #0b1526; }
main { width: min(520px, calc(100% - 32px)); text-align: center; }
h1 { margin: 28px 0 10px; font-size: 30px; color: #fff; letter-spacing: -.02em; }
p { margin: 0 0 26px; color: #a8b3c7; line-height: 1.6; }
a { display: inline-block; padding: 12px 22px; border-radius: 8px; background: #0854a0; color: #fff; font-weight: 600; text-decoration: none; }
a:hover { background: #063f78; }