:root{font-family:system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:#142c4c;background:#f6f9fd}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column}header{display:flex;justify-content:space-between;align-items:center;gap:18px;background:#fff;padding:14px max(5%,calc((100% - 1100px)/2));box-shadow:0 2px 18px #102b4b0d}header img{width:min(250px,46vw);height:auto}nav{display:flex;gap:15px;flex-wrap:wrap}a{color:#0868cb;text-decoration:none}main{width:min(100% - 32px,980px);margin:55px auto;flex:1}.hero{padding:38px 0}h1{font-size:clamp(30px,5vw,52px);letter-spacing:-.035em;line-height:1.12;margin:0 0 20px}h2{margin:0 0 20px}.muted{color:#5e6c80}.panel{background:#fff;border:1px solid #e0e9f3;border-radius:18px;padding:28px;box-shadow:0 10px 32px #142c4c09;max-width:540px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.grid .panel{max-width:none}label{display:block;margin:15px 0 6px;font-weight:600}input{width:100%;padding:13px;border:1px solid #b8c9dd;border-radius:9px;font:inherit}button,.btn{display:inline-block;border:0;border-radius:9px;background:#066dd3;color:#fff;padding:13px 20px;font-weight:700;cursor:pointer;margin-top:20px;font:inherit}.error{color:#b42318}.success{color:#137347}footer{padding:25px;text-align:center;color:#65758a;font-size:13px}nav a{white-space:nowrap}@media(max-width:620px){header{align-items:flex-start;flex-direction:column}main{margin:30px auto}.panel{padding:22px}}
