:root{--ink: #16202c;--muted: #5b6b7d;--line: #dde5ee;--accent: #2f6feb;color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:#f5f8fc}.page{min-height:100vh;display:flex;flex-direction:column}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1.75rem;background:#fff;border-bottom:1px solid var(--line)}.top-bar__title{margin:0;font-size:1.15rem;font-weight:650}.top-bar__nav a{color:var(--accent);font-weight:550;text-decoration:none;padding:.35rem .75rem;border-radius:999px}.top-bar__nav a:hover{background:#eaf1ff}main{flex:1;width:min(720px,100% - 3rem);margin:0 auto;padding:2.5rem 0}.hero{text-align:center;padding:2.5rem 1.5rem;background:#fff;border:1px solid var(--line);border-radius:14px}.hero__message{margin:0;font-size:clamp(2.25rem,5vw,3.25rem);letter-spacing:-.02em}.hero__welcome{margin:.75rem 0 0;color:var(--muted)}.about{margin-top:1.5rem;padding:1.25rem 1.5rem;background:#fff;border:1px solid var(--line);border-radius:14px}.about p{margin:.4rem 0;color:var(--muted)}.footer{padding:1rem;text-align:center;color:var(--muted);font-size:.875rem;border-top:1px solid var(--line);background:#fff}.footer p{margin:0}