:root{--primary-color:#051d40;--secondary-color:#fff;--text-color:#222;--muted-text-color:#555;--border-radius:6px}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--secondary-color);color:var(--text-color);scroll-behavior:smooth;margin:0;padding:0}h2{margin-bottom:2rem;font-size:2rem}p{max-width:700px;color:var(--muted-text-color);margin:0 auto;line-height:1.6}input,textarea{border:1px solid #ccc;border-radius:6px;padding:.8rem}button{color:#fff;cursor:pointer;background:#00695c;border:none;border-radius:6px;padding:.8rem;font-size:1rem;transition:background .3s}button:hover{background:#004d40}a{color:var(--secondary-color);text-decoration:none}