body{margin:0;background:#f5f3f0;color:#18334f;font:18px/1.7 system-ui,sans-serif}header,main,footer{max-width:1000px;margin:auto;padding:24px}nav{display:flex;flex-wrap:wrap;gap:18px}a{color:#174d78}h1{font-size:clamp(32px,5vw,52px);line-height:1.15}h2{line-height:1.3}main{min-height:60vh}article{background:white;padding:24px;margin:20px 0;border-radius:12px}input,button{font:inherit;padding:8px;max-width:90%}label{display:block;margin:12px 0}footer{border-top:1px solid #c6cbd0;font-size:15px}