body{margin:0;font-family:'Poppins',sans-serif;background:#f9f9fc;color:#333;line-height:1.6}header{background:#fff;padding:2rem 1rem;box-shadow:0 2px 8px rgba(0,0,0,.05);text-align:center}header h1{margin:0;font-size:1.8rem;color:#5a4fcf}main{padding:1rem}section{margin-bottom:2rem}section h2{font-size:1.3rem;color:#5a4fcf;border-bottom:2px solid #e0dffd;padding-bottom:.3rem;margin-bottom:.5rem}section p{font-size:1rem;color:#444}a.btn{display:inline-block;margin-top:1rem;padding:.75rem 1.5rem;background:#5a4fcf;color:#fff;border-radius:8px;text-decoration:none;font-weight:600;transition:background .3s ease}a.btn:hover{background:#3e35aa}footer{background:#f1f1f8;text-align:center;padding:1rem;font-size:.9rem;color:#777}@media (min-width:768px){body{font-size:1.1rem}header h1{font-size:2.2rem}section h2{font-size:1.5rem}}.main-nav{background:#fff;padding:1rem;border-bottom:1px solid #ddd;position:relative}.main-nav .logo{font-weight:bold;font-size:1.2rem;color:#5a4fcf}.main-nav a{text-decoration:none;color:#5a4fcf}.menu-icon{display:block;cursor:pointer;font-size:1.5rem;position:absolute;right:1rem;top:1rem}#menu-toggle{display:none}.menu{list-style:none;padding:0;margin:1rem 0 0;display:none;flex-direction:column;gap:.5rem}#menu-toggle:checked+.menu-icon+.menu{display:flex}@media (min-width:768px){.menu-icon{display:none}.menu{display:flex!important;flex-direction:row;justify-content:flex-end;gap:1.5rem;margin-top:-2rem}}