:root{color-scheme:light;font-family:system-ui,sans-serif;color:#16253a;background:#f5f7fb}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:980px;margin:auto;padding:28px}header{display:flex;justify-content:space-between;border-bottom:1px solid #dce3ee}header>a{font-weight:750;text-decoration:none}nav{display:flex;gap:20px}a{color:#245cd2}h1{font-size:clamp(32px,5vw,54px);line-height:1.1}.eyebrow{color:#586b88;margin-top:42px}main>p{max-width:640px;line-height:1.7}section{background:white;border:1px solid #dce3ee;border-radius:16px;margin:22px 0;padding:26px}section p{line-height:1.7}.button{display:inline-block;background:#245cd2;color:white;padding:12px 18px;border-radius:9px;text-decoration:none}footer{color:#586b88;font-size:14px}@media(max-width:560px){header{flex-wrap:wrap;gap:16px;padding:20px}main,footer{padding:20px}nav{gap:14px}}