:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#060b15;color:#edf3ff}body{margin:0}main{max-width:760px;margin:auto;padding:48px 24px 80px}a{color:#64dcdf;text-underline-offset:4px}.brand{font-size:23px;font-weight:600;text-decoration:none}h1{font-size:clamp(36px,7vw,54px);margin:56px 0 12px;letter-spacing:-1.5px}h2{font-size:23px;margin:36px 0 12px}p{line-height:1.8;color:#c5d0df}.muted{font-size:14px;color:#96a9bd}:focus-visible{outline:2px solid #72bdff;outline-offset:5px}