:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#101722;color:#edf2f8}*{box-sizing:border-box}body{margin:0;line-height:1.7}main{max-width:860px;margin:auto;padding:64px 24px}nav,footer{display:flex;gap:24px;flex-wrap:wrap}a{color:#a4d8ff}a:focus-visible{outline:3px solid #a4d8ff;outline-offset:5px}h1{font-size:clamp(2.4rem,6vw,4rem);line-height:1.1;letter-spacing:-.04em}h2{margin-top:2rem;line-height:1.3}.tag{color:#a4d8ff;text-transform:uppercase;letter-spacing:.14em;font-size:.8rem}.lead{font-size:1.2rem;color:#ccd6e4}section{border-top:1px solid #344256;margin-top:32px;padding-top:8px}footer{border-top:1px solid #344256;margin-top:48px;padding-top:24px;font-size:.9rem;color:#ccd6e4}