:root{color:#e9edf4;background:#10141c;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}a{color:#80b7ff}.app-shell{min-height:100vh}.header{border-bottom:1px solid #303a49;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem max(1.5rem,50vw - 35rem);display:flex}.brand{color:#fff;font-size:1.25rem;font-weight:800;text-decoration:none}nav{gap:1.5rem;display:flex}nav a{text-decoration:none}nav a:hover,nav a:focus-visible{text-decoration:underline}.content{max-width:70rem;margin:0 auto;padding:clamp(3rem,9vw,8rem) 1.5rem}h1{max-width:48rem;margin:0 0 1.5rem;font-size:clamp(2.25rem,6vw,4.5rem);line-height:1.08}p{color:#b5c0cf;max-width:43rem;font-size:1.125rem;line-height:1.6}.button,button{color:#fff;font:inherit;cursor:pointer;background:#1b3b63;border:1px solid #80b7ff;border-radius:.4rem;padding:.8rem 1.1rem;text-decoration:none;display:inline-block}.button:hover,button:hover{background:#285483}@media (width<=600px){.header{flex-direction:column;align-items:flex-start}}