html{scroll-behavior:smooth}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:'Open Sans',sans-serif;color:#222;background:#fff}h1,h2,h3{font-family:'Montserrat',sans-serif;margin-bottom:.6rem}a{text-decoration:none;color:inherit}main{max-width:1200px;margin:0 auto;padding:4rem 1rem}nav{position:sticky;top:0;width:100%;background:#ffffffee;backdrop-filter:blur(8px);box-shadow:0 2px 4px rgba(0,0,0,.05);z-index:1000}nav .container{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;max-width:1200px;margin:0 auto}nav ul{list-style:none;display:flex;gap:1rem;transition:max-height .3s ease}nav li{font-weight:600;font-size:.9rem;text-transform:uppercase}nav a.active{color:#0A74DA;border-bottom:2px solid #0A74DA}.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.1rem}.logo img{width:38px;height:38px}.hamburger{display:none;background:none;border:none;font-size:1.9rem;line-height:1;cursor:pointer}@media(max-width:640px){nav ul{flex-direction:column;max-height:0;overflow:hidden}nav ul.open{max-height:400px;padding-top:1rem}.hamburger{display:block;color:#0A74DA}main{padding:2rem 1rem}}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:4px;background:#0A74DA;color:#fff;font-weight:600;transition:background .2s}.btn:hover{background:#095eba}footer{background:#f7f7f7;padding:2rem 1rem;text-align:center;font-size:.9rem;margin-top:2rem}