:root{font-family:system-ui,sans-serif;color:#183b36;background:#f4f7f6}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:1020px;margin:auto;padding:28px}header{display:flex;justify-content:space-between;border-bottom:1px solid #c7d8d2}.tag{font-size:13px;letter-spacing:.08em;color:#5b716a}h1{font-size:clamp(36px,6vw,64px);line-height:1.05;max-width:700px;margin:40px 0 24px}p{max-width:680px;line-height:1.7}img{width:100%;max-width:760px;height:auto;border-radius:16px}form{padding:24px;background:white;border:1px solid #c7d8d2;border-radius:16px;max-width:680px;margin:32px 0}label{display:block;margin:16px 0}input:not([type=checkbox]),textarea{display:block;width:100%;font:inherit;padding:12px;border:1px solid #879f96;border-radius:8px}button{font:inherit;background:#146b50;color:white;border:0;padding:14px 22px;border-radius:8px;cursor:pointer}a{color:#146b50}#result{padding:12px;border-left:4px solid #146b50}footer{font-size:14px;color:#5b716a}@media(max-width:480px){header,main,footer{padding:20px}}