:root{font-family:system-ui,sans-serif;color:#244e48;background:#e6efdc;font-size:16px}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at top,#fff3d6,#d9e8d8);min-height:100vh}main{max-width:740px;padding:40px 28px;margin:auto}h1{font-size:clamp(28px,5vw,42px);line-height:1.15}h2{font-size:21px;margin-top:32px}p,li{line-height:1.7}a{color:#286b62}header{font-size:12px;letter-spacing:2px;margin-bottom:36px}small{color:#688579}nav{display:flex;gap:20px;flex-wrap:wrap;margin:32px 0}label{display:block;margin:16px 0}input{display:block;padding:12px;width:100%;max-width:420px;border:1px solid #adcab5;border-radius:12px;font:inherit;margin:5px 0;background:#fffdf1}button{border:0;border-radius:14px;background:#377868;color:#fff8df;padding:13px 20px;font:inherit;cursor:pointer;margin:8px 0}button:disabled{opacity:.5}output{display:block;margin:14px 0;line-height:1.6}form{margin:25px 0}#confirm{border-top:1px solid #aac4b0;padding-top:20px}#confirm button{background:#985c45}